* 'next/cleanup-s3c24xx' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (24 commits)
ARM: S3C24XX: remove call to s3c24xx_setup_clocks
ARM: S3C24XX: add get_rate for clk_p on S3C2416/2443
ARM: S3C24XX: add get_rate for clk_h on S3C2416/2443
ARM: S3C24XX: remove XXX_setup_clocks method from S3C2443
ARM: S3C24XX: remove obsolete S3C2416_DMA option
ARM: S3C24XX: Reuse S3C2443 dma for S3C2416
ARM: S3C24XX: Fix indentation of dma-s3c2443
ARM: S3C24XX: Move device setup files to mach directory
ARM: S3C24XX: Consolidate Simtec extensions
ARM: S3C24XX: move simtec-specific code to mach directory
ARM: S3C24XX: Move common-smdk code to mach directory
ARM: S3C24XX: Move s3c2443-clock.c to mach-s3c24xx
ARM: s3c2410_defconfig: update s3c2410_defconfig
ARM: S3C2443: move mach-s3c2443/* into mach-s3c24xx/
ARM: S3C2440: move mach-s3c2440/* into mach-s3c24xx/
ARM: S3C2416: move mach-s3c2416/* into mach-s3c24xx/
ARM: S3C2412: move mach-s3c2412/* into mach-s3c24xx/
ARM: S3C2410: move mach-s3c2410/* into mach-s3c24xx/
ARM: S3C24XX: change the ARCH_S3C2410 to ARCH_S3C24XX
ARM: S3C2410: move s3c2410_baseclk_add to clock.h
...
--- /dev/null
-void __init_or_cpufreq s3c2416_setup_clocks(void)
-{
- s3c2443_common_setup_clocks(s3c2416_get_pll);
-}
-
-
+ /* linux/arch/arm/mach-s3c2416/clock.c
+ *
+ * Copyright (c) 2010 Simtec Electronics
+ * Copyright (c) 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * S3C2416 Clock control support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+ #include <linux/init.h>
+ #include <linux/clk.h>
+
+ #include <plat/s3c2416.h>
+ #include <plat/clock.h>
+ #include <plat/clock-clksrc.h>
+ #include <plat/cpu.h>
+
+ #include <plat/cpu-freq.h>
+ #include <plat/pll.h>
+
+ #include <asm/mach/map.h>
+
+ #include <mach/regs-clock.h>
+ #include <mach/regs-s3c2443-clock.h>
+
+ /* armdiv
+ *
+ * this clock is sourced from msysclk and can have a number of
+ * divider values applied to it to then be fed into armclk.
+ * The real clock definition is done in s3c2443-clock.c,
+ * only the armdiv divisor table must be defined here.
+ */
+
+ static unsigned int armdiv[8] = {
+ [0] = 1,
+ [1] = 2,
+ [2] = 3,
+ [3] = 4,
+ [5] = 6,
+ [7] = 8,
+ };
+
+ static struct clksrc_clk hsspi_eplldiv = {
+ .clk = {
+ .name = "hsspi-eplldiv",
+ .parent = &clk_esysclk.clk,
+ .ctrlbit = (1 << 14),
+ .enable = s3c2443_clkcon_enable_s,
+ },
+ .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 24 },
+ };
+
+ static struct clk *hsspi_sources[] = {
+ [0] = &hsspi_eplldiv.clk,
+ [1] = NULL, /* to fix */
+ };
+
+ static struct clksrc_clk hsspi_mux = {
+ .clk = {
+ .name = "hsspi-if",
+ },
+ .sources = &(struct clksrc_sources) {
+ .sources = hsspi_sources,
+ .nr_sources = ARRAY_SIZE(hsspi_sources),
+ },
+ .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 18 },
+ };
+
+ static struct clksrc_clk hsmmc_div[] = {
+ [0] = {
+ .clk = {
+ .name = "hsmmc-div",
+ .devname = "s3c-sdhci.0",
+ .parent = &clk_esysclk.clk,
+ },
+ .reg_div = { .reg = S3C2416_CLKDIV2, .size = 2, .shift = 6 },
+ },
+ [1] = {
+ .clk = {
+ .name = "hsmmc-div",
+ .devname = "s3c-sdhci.1",
+ .parent = &clk_esysclk.clk,
+ },
+ .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 },
+ },
+ };
+
+ static struct clksrc_clk hsmmc_mux0 = {
+ .clk = {
+ .name = "hsmmc-if",
+ .devname = "s3c-sdhci.0",
+ .ctrlbit = (1 << 6),
+ .enable = s3c2443_clkcon_enable_s,
+ },
+ .sources = &(struct clksrc_sources) {
+ .nr_sources = 2,
+ .sources = (struct clk * []) {
+ [0] = &hsmmc_div[0].clk,
+ [1] = NULL, /* to fix */
+ },
+ },
+ .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 16 },
+ };
+
+ static struct clksrc_clk hsmmc_mux1 = {
+ .clk = {
+ .name = "hsmmc-if",
+ .devname = "s3c-sdhci.1",
+ .ctrlbit = (1 << 12),
+ .enable = s3c2443_clkcon_enable_s,
+ },
+ .sources = &(struct clksrc_sources) {
+ .nr_sources = 2,
+ .sources = (struct clk * []) {
+ [0] = &hsmmc_div[1].clk,
+ [1] = NULL, /* to fix */
+ },
+ },
+ .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 17 },
+ };
+
+ static struct clk hsmmc0_clk = {
+ .name = "hsmmc",
+ .devname = "s3c-sdhci.0",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2416_HCLKCON_HSMMC0,
+ };
+
+ static struct clksrc_clk *clksrcs[] __initdata = {
+ &hsspi_eplldiv,
+ &hsspi_mux,
+ &hsmmc_div[0],
+ &hsmmc_div[1],
+ &hsmmc_mux0,
+ &hsmmc_mux1,
+ };
+
+ static struct clk_lookup s3c2416_clk_lookup[] = {
+ CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &hsmmc0_clk),
+ CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &hsmmc_mux0.clk),
+ CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &hsmmc_mux1.clk),
+ };
+
+ void __init s3c2416_init_clocks(int xtal)
+ {
+ u32 epllcon = __raw_readl(S3C2443_EPLLCON);
+ u32 epllcon1 = __raw_readl(S3C2443_EPLLCON+4);
+ int ptr;
+
+ /* s3c2416 EPLL compatible with s3c64xx */
+ clk_epll.rate = s3c_get_pll6553x(xtal, epllcon, epllcon1);
+
+ clk_epll.parent = &clk_epllref.clk;
+
+ s3c2443_common_init_clocks(xtal, s3c2416_get_pll,
+ armdiv, ARRAY_SIZE(armdiv),
+ S3C2416_CLKDIV0_ARMDIV_MASK);
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+ s3c_register_clksrc(clksrcs[ptr], 1);
+
+ s3c24xx_register_clock(&hsmmc0_clk);
+ clkdev_add_table(s3c2416_clk_lookup, ARRAY_SIZE(s3c2416_clk_lookup));
+
+ s3c_pwmclk_init();
+
+ }
--- /dev/null
-static int s3c2440_clk_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2440/clock.c
+ *
+ * Copyright (c) 2004-2005 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2440 Clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/kernel.h>
+ #include <linux/list.h>
+ #include <linux/errno.h>
+ #include <linux/err.h>
+ #include <linux/device.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/mutex.h>
+ #include <linux/clk.h>
+ #include <linux/io.h>
+ #include <linux/serial_core.h>
+
+ #include <mach/hardware.h>
+ #include <linux/atomic.h>
+ #include <asm/irq.h>
+
+ #include <mach/regs-clock.h>
+
+ #include <plat/clock.h>
+ #include <plat/cpu.h>
+ #include <plat/regs-serial.h>
+
+ /* S3C2440 extended clock support */
+
+ static unsigned long s3c2440_camif_upll_round(struct clk *clk,
+ unsigned long rate)
+ {
+ unsigned long parent_rate = clk_get_rate(clk->parent);
+ int div;
+
+ if (rate > parent_rate)
+ return parent_rate;
+
+ /* note, we remove the +/- 1 calculations for the divisor */
+
+ div = (parent_rate / rate) / 2;
+
+ if (div < 1)
+ div = 1;
+ else if (div > 16)
+ div = 16;
+
+ return parent_rate / (div * 2);
+ }
+
+ static int s3c2440_camif_upll_setrate(struct clk *clk, unsigned long rate)
+ {
+ unsigned long parent_rate = clk_get_rate(clk->parent);
+ unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN);
+
+ rate = s3c2440_camif_upll_round(clk, rate);
+
+ camdivn &= ~(S3C2440_CAMDIVN_CAMCLK_SEL | S3C2440_CAMDIVN_CAMCLK_MASK);
+
+ if (rate != parent_rate) {
+ camdivn |= S3C2440_CAMDIVN_CAMCLK_SEL;
+ camdivn |= (((parent_rate / rate) / 2) - 1);
+ }
+
+ __raw_writel(camdivn, S3C2440_CAMDIVN);
+
+ return 0;
+ }
+
+ /* Extra S3C2440 clocks */
+
+ static struct clk s3c2440_clk_cam = {
+ .name = "camif",
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2440_CLKCON_CAMERA,
+ };
+
+ static struct clk s3c2440_clk_cam_upll = {
+ .name = "camif-upll",
+ .ops = &(struct clk_ops) {
+ .set_rate = s3c2440_camif_upll_setrate,
+ .round_rate = s3c2440_camif_upll_round,
+ },
+ };
+
+ static struct clk s3c2440_clk_ac97 = {
+ .name = "ac97",
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2440_CLKCON_CAMERA,
+ };
+
+ static unsigned long s3c2440_fclk_n_getrate(struct clk *clk)
+ {
+ unsigned long ucon0, ucon1, ucon2, divisor;
+
+ /* the fun of calculating the uart divisors on the s3c2440 */
+ ucon0 = __raw_readl(S3C24XX_VA_UART0 + S3C2410_UCON);
+ ucon1 = __raw_readl(S3C24XX_VA_UART1 + S3C2410_UCON);
+ ucon2 = __raw_readl(S3C24XX_VA_UART2 + S3C2410_UCON);
+
+ ucon0 &= S3C2440_UCON0_DIVMASK;
+ ucon1 &= S3C2440_UCON1_DIVMASK;
+ ucon2 &= S3C2440_UCON2_DIVMASK;
+
+ if (ucon0 != 0)
+ divisor = (ucon0 >> S3C2440_UCON_DIVSHIFT) + 6;
+ else if (ucon1 != 0)
+ divisor = (ucon1 >> S3C2440_UCON_DIVSHIFT) + 21;
+ else if (ucon2 != 0)
+ divisor = (ucon2 >> S3C2440_UCON_DIVSHIFT) + 36;
+ else
+ /* manual calims 44, seems to be 9 */
+ divisor = 9;
+
+ return clk_get_rate(clk->parent) / divisor;
+ }
+
+ static struct clk s3c2440_clk_fclk_n = {
+ .name = "fclk_n",
+ .parent = &clk_f,
+ .ops = &(struct clk_ops) {
+ .get_rate = s3c2440_fclk_n_getrate,
+ },
+ };
+
+ static struct clk_lookup s3c2440_clk_lookup[] = {
+ CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk),
+ CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
+ CLKDEV_INIT(NULL, "clk_uart_baud3", &s3c2440_clk_fclk_n),
+ };
+
++static int s3c2440_clk_add(struct device *dev, struct subsys_interface *sif)
+ {
+ struct clk *clock_upll;
+ struct clk *clock_h;
+ struct clk *clock_p;
+
+ clock_p = clk_get(NULL, "pclk");
+ clock_h = clk_get(NULL, "hclk");
+ clock_upll = clk_get(NULL, "upll");
+
+ if (IS_ERR(clock_p) || IS_ERR(clock_h) || IS_ERR(clock_upll)) {
+ printk(KERN_ERR "S3C2440: Failed to get parent clocks\n");
+ return -EINVAL;
+ }
+
+ s3c2440_clk_cam.parent = clock_h;
+ s3c2440_clk_ac97.parent = clock_p;
+ s3c2440_clk_cam_upll.parent = clock_upll;
+ s3c24xx_register_clock(&s3c2440_clk_fclk_n);
+
+ s3c24xx_register_clock(&s3c2440_clk_ac97);
+ s3c24xx_register_clock(&s3c2440_clk_cam);
+ s3c24xx_register_clock(&s3c2440_clk_cam_upll);
+ clkdev_add_table(s3c2440_clk_lookup, ARRAY_SIZE(s3c2440_clk_lookup));
+
+ clk_disable(&s3c2440_clk_ac97);
+ clk_disable(&s3c2440_clk_cam);
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2440_clk_interface = {
+ .name = "s3c2440_clk",
+ .subsys = &s3c2440_subsys,
+ .add_dev = s3c2440_clk_add,
+ };
+
+ static __init int s3c24xx_clk_init(void)
+ {
+ return subsys_interface_register(&s3c2440_clk_interface);
+ }
+
+ arch_initcall(s3c24xx_clk_init);
--- /dev/null
-static int s3c244x_clk_add(struct device *dev)
+ /* linux/arch/arm/plat-s3c24xx/s3c24xx-clock.c
+ *
+ * Copyright (c) 2004-2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2440/S3C2442 Common clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/kernel.h>
+ #include <linux/list.h>
+ #include <linux/errno.h>
+ #include <linux/err.h>
+ #include <linux/device.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/clk.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <linux/atomic.h>
+ #include <asm/irq.h>
+
+ #include <mach/regs-clock.h>
+
+ #include <plat/clock.h>
+ #include <plat/cpu.h>
+
+ static int s3c2440_setparent_armclk(struct clk *clk, struct clk *parent)
+ {
+ unsigned long camdivn;
+ unsigned long dvs;
+
+ if (parent == &clk_f)
+ dvs = 0;
+ else if (parent == &clk_h)
+ dvs = S3C2440_CAMDIVN_DVSEN;
+ else
+ return -EINVAL;
+
+ clk->parent = parent;
+
+ camdivn = __raw_readl(S3C2440_CAMDIVN);
+ camdivn &= ~S3C2440_CAMDIVN_DVSEN;
+ camdivn |= dvs;
+ __raw_writel(camdivn, S3C2440_CAMDIVN);
+
+ return 0;
+ }
+
+ static struct clk clk_arm = {
+ .name = "armclk",
+ .id = -1,
+ .ops = &(struct clk_ops) {
+ .set_parent = s3c2440_setparent_armclk,
+ },
+ };
+
++static int s3c244x_clk_add(struct device *dev, struct subsys_interface *sif)
+ {
+ unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN);
+ unsigned long clkdivn;
+ struct clk *clock_upll;
+ int ret;
+
+ printk("S3C244X: Clock Support, DVS %s\n",
+ (camdivn & S3C2440_CAMDIVN_DVSEN) ? "on" : "off");
+
+ clk_arm.parent = (camdivn & S3C2440_CAMDIVN_DVSEN) ? &clk_h : &clk_f;
+
+ ret = s3c24xx_register_clock(&clk_arm);
+ if (ret < 0) {
+ printk(KERN_ERR "S3C24XX: Failed to add armclk (%d)\n", ret);
+ return ret;
+ }
+
+ clock_upll = clk_get(NULL, "upll");
+ if (IS_ERR(clock_upll)) {
+ printk(KERN_ERR "S3C244X: Failed to get upll clock\n");
+ return -ENOENT;
+ }
+
+ /* check rate of UPLL, and if it is near 96MHz, then change
+ * to using half the UPLL rate for the system */
+
+ if (clk_get_rate(clock_upll) > (94 * MHZ)) {
+ clk_usb_bus.rate = clk_get_rate(clock_upll) / 2;
+
+ spin_lock(&clocks_lock);
+
+ clkdivn = __raw_readl(S3C2410_CLKDIVN);
+ clkdivn |= S3C2440_CLKDIVN_UCLK;
+ __raw_writel(clkdivn, S3C2410_CLKDIVN);
+
+ spin_unlock(&clocks_lock);
+ }
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2440_clk_interface = {
+ .name = "s3c2440_clk",
+ .subsys = &s3c2440_subsys,
+ .add_dev = s3c244x_clk_add,
+ };
+
+ static int s3c2440_clk_init(void)
+ {
+ return subsys_interface_register(&s3c2440_clk_interface);
+ }
+
+ arch_initcall(s3c2440_clk_init);
+
+ static struct subsys_interface s3c2442_clk_interface = {
+ .name = "s3c2442_clk",
+ .subsys = &s3c2442_subsys,
+ .add_dev = s3c244x_clk_add,
+ };
+
+ static int s3c2442_clk_init(void)
+ {
+ return subsys_interface_register(&s3c2442_clk_interface);
+ }
+
+ arch_initcall(s3c2442_clk_init);
--- /dev/null
-struct clk clk_mpllref = {
+ /*
+ * Common code for SoCs starting with the S3C2443
+ *
+ * Copyright (c) 2007, 2010 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+ #include <linux/init.h>
+ #include <linux/clk.h>
+ #include <linux/io.h>
+
+ #include <mach/regs-s3c2443-clock.h>
+
+ #include <plat/clock.h>
+ #include <plat/clock-clksrc.h>
+ #include <plat/cpu.h>
+
+ #include <plat/cpu-freq.h>
+
+
+ static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable)
+ {
+ u32 ctrlbit = clk->ctrlbit;
+ u32 con = __raw_readl(reg);
+
+ if (enable)
+ con |= ctrlbit;
+ else
+ con &= ~ctrlbit;
+
+ __raw_writel(con, reg);
+ return 0;
+ }
+
+ int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
+ {
+ return s3c2443_gate(S3C2443_HCLKCON, clk, enable);
+ }
+
+ int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
+ {
+ return s3c2443_gate(S3C2443_PCLKCON, clk, enable);
+ }
+
+ int s3c2443_clkcon_enable_s(struct clk *clk, int enable)
+ {
+ return s3c2443_gate(S3C2443_SCLKCON, clk, enable);
+ }
+
+ /* mpllref is a direct descendant of clk_xtal by default, but it is not
+ * elided as the EPLL can be either sourced by the XTAL or EXTCLK and as
+ * such directly equating the two source clocks is impossible.
+ */
++static struct clk clk_mpllref = {
+ .name = "mpllref",
+ .parent = &clk_xtal,
+ };
+
+ static struct clk *clk_epllref_sources[] = {
+ [0] = &clk_mpllref,
+ [1] = &clk_mpllref,
+ [2] = &clk_xtal,
+ [3] = &clk_ext,
+ };
+
+ struct clksrc_clk clk_epllref = {
+ .clk = {
+ .name = "epllref",
+ },
+ .sources = &(struct clksrc_sources) {
+ .sources = clk_epllref_sources,
+ .nr_sources = ARRAY_SIZE(clk_epllref_sources),
+ },
+ .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 7 },
+ };
+
+ /* esysclk
+ *
+ * this is sourced from either the EPLL or the EPLLref clock
+ */
+
+ static struct clk *clk_sysclk_sources[] = {
+ [0] = &clk_epllref.clk,
+ [1] = &clk_epll,
+ };
+
+ struct clksrc_clk clk_esysclk = {
+ .clk = {
+ .name = "esysclk",
+ .parent = &clk_epll,
+ },
+ .sources = &(struct clksrc_sources) {
+ .sources = clk_sysclk_sources,
+ .nr_sources = ARRAY_SIZE(clk_sysclk_sources),
+ },
+ .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 6 },
+ };
+
+ static unsigned long s3c2443_getrate_mdivclk(struct clk *clk)
+ {
+ unsigned long parent_rate = clk_get_rate(clk->parent);
+ unsigned long div = __raw_readl(S3C2443_CLKDIV0);
+
+ div &= S3C2443_CLKDIV0_EXTDIV_MASK;
+ div >>= (S3C2443_CLKDIV0_EXTDIV_SHIFT-1); /* x2 */
+
+ return parent_rate / (div + 1);
+ }
+
+ static struct clk clk_mdivclk = {
+ .name = "mdivclk",
+ .parent = &clk_mpllref,
+ .ops = &(struct clk_ops) {
+ .get_rate = s3c2443_getrate_mdivclk,
+ },
+ };
+
+ static struct clk *clk_msysclk_sources[] = {
+ [0] = &clk_mpllref,
+ [1] = &clk_mpll,
+ [2] = &clk_mdivclk,
+ [3] = &clk_mpllref,
+ };
+
+ struct clksrc_clk clk_msysclk = {
+ .clk = {
+ .name = "msysclk",
+ .parent = &clk_xtal,
+ },
+ .sources = &(struct clksrc_sources) {
+ .sources = clk_msysclk_sources,
+ .nr_sources = ARRAY_SIZE(clk_msysclk_sources),
+ },
+ .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 3 },
+ };
+
+ /* prediv
+ *
+ * this divides the msysclk down to pass to h/p/etc.
+ */
+
+ static unsigned long s3c2443_prediv_getrate(struct clk *clk)
+ {
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
+
+ clkdiv0 &= S3C2443_CLKDIV0_PREDIV_MASK;
+ clkdiv0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT;
+
+ return rate / (clkdiv0 + 1);
+ }
+
+ static struct clk clk_prediv = {
+ .name = "prediv",
+ .parent = &clk_msysclk.clk,
+ .ops = &(struct clk_ops) {
+ .get_rate = s3c2443_prediv_getrate,
+ },
+ };
+
+ /* hclk divider
+ *
+ * divides the prediv and provides the hclk.
+ */
+
+ static unsigned long s3c2443_hclkdiv_getrate(struct clk *clk)
+ {
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
+
+ clkdiv0 &= S3C2443_CLKDIV0_HCLKDIV_MASK;
+
+ return rate / (clkdiv0 + 1);
+ }
+
+ static struct clk_ops clk_h_ops = {
+ .get_rate = s3c2443_hclkdiv_getrate,
+ };
+
+ /* pclk divider
+ *
+ * divides the hclk and provides the pclk.
+ */
+
+ static unsigned long s3c2443_pclkdiv_getrate(struct clk *clk)
+ {
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
+
+ clkdiv0 = ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 1 : 0);
+
+ return rate / (clkdiv0 + 1);
+ }
+
+ static struct clk_ops clk_p_ops = {
+ .get_rate = s3c2443_pclkdiv_getrate,
+ };
+
+ /* armdiv
+ *
+ * this clock is sourced from msysclk and can have a number of
+ * divider values applied to it to then be fed into armclk.
+ */
+
+ static unsigned int *armdiv;
+ static int nr_armdiv;
+ static int armdivmask;
+
+ static unsigned long s3c2443_armclk_roundrate(struct clk *clk,
+ unsigned long rate)
+ {
+ unsigned long parent = clk_get_rate(clk->parent);
+ unsigned long calc;
+ unsigned best = 256; /* bigger than any value */
+ unsigned div;
+ int ptr;
+
+ if (!nr_armdiv)
+ return -EINVAL;
+
+ for (ptr = 0; ptr < nr_armdiv; ptr++) {
+ div = armdiv[ptr];
+ if (div) {
+ /* cpufreq provides 266mhz as 266666000 not 266666666 */
+ calc = (parent / div / 1000) * 1000;
+ if (calc <= rate && div < best)
+ best = div;
+ }
+ }
+
+ return parent / best;
+ }
+
+ static unsigned long s3c2443_armclk_getrate(struct clk *clk)
+ {
+ unsigned long rate = clk_get_rate(clk->parent);
+ unsigned long clkcon0;
+ int val;
+
+ if (!nr_armdiv || !armdivmask)
+ return -EINVAL;
+
+ clkcon0 = __raw_readl(S3C2443_CLKDIV0);
+ clkcon0 &= armdivmask;
+ val = clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT;
+
+ return rate / armdiv[val];
+ }
+
+ static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
+ {
+ unsigned long parent = clk_get_rate(clk->parent);
+ unsigned long calc;
+ unsigned div;
+ unsigned best = 256; /* bigger than any value */
+ int ptr;
+ int val = -1;
+
+ if (!nr_armdiv || !armdivmask)
+ return -EINVAL;
+
+ for (ptr = 0; ptr < nr_armdiv; ptr++) {
+ div = armdiv[ptr];
+ if (div) {
+ /* cpufreq provides 266mhz as 266666000 not 266666666 */
+ calc = (parent / div / 1000) * 1000;
+ if (calc <= rate && div < best) {
+ best = div;
+ val = ptr;
+ }
+ }
+ }
+
+ if (val >= 0) {
+ unsigned long clkcon0;
+
+ clkcon0 = __raw_readl(S3C2443_CLKDIV0);
+ clkcon0 &= ~armdivmask;
+ clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT;
+ __raw_writel(clkcon0, S3C2443_CLKDIV0);
+ }
+
+ return (val == -1) ? -EINVAL : 0;
+ }
+
+ static struct clk clk_armdiv = {
+ .name = "armdiv",
+ .parent = &clk_msysclk.clk,
+ .ops = &(struct clk_ops) {
+ .round_rate = s3c2443_armclk_roundrate,
+ .get_rate = s3c2443_armclk_getrate,
+ .set_rate = s3c2443_armclk_setrate,
+ },
+ };
+
+ /* armclk
+ *
+ * this is the clock fed into the ARM core itself, from armdiv or from hclk.
+ */
+
+ static struct clk *clk_arm_sources[] = {
+ [0] = &clk_armdiv,
+ [1] = &clk_h,
+ };
+
+ static struct clksrc_clk clk_arm = {
+ .clk = {
+ .name = "armclk",
+ },
+ .sources = &(struct clksrc_sources) {
+ .sources = clk_arm_sources,
+ .nr_sources = ARRAY_SIZE(clk_arm_sources),
+ },
+ .reg_src = { .reg = S3C2443_CLKDIV0, .size = 1, .shift = 13 },
+ };
+
+ /* usbhost
+ *
+ * usb host bus-clock, usually 48MHz to provide USB bus clock timing
+ */
+
+ static struct clksrc_clk clk_usb_bus_host = {
+ .clk = {
+ .name = "usb-bus-host-parent",
+ .parent = &clk_esysclk.clk,
+ .ctrlbit = S3C2443_SCLKCON_USBHOST,
+ .enable = s3c2443_clkcon_enable_s,
+ },
+ .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 },
+ };
+
+ /* common clksrc clocks */
+
+ static struct clksrc_clk clksrc_clks[] = {
+ {
+ /* camera interface bus-clock, divided down from esysclk */
+ .clk = {
+ .name = "camif-upll", /* same as 2440 name */
+ .parent = &clk_esysclk.clk,
+ .ctrlbit = S3C2443_SCLKCON_CAMCLK,
+ .enable = s3c2443_clkcon_enable_s,
+ },
+ .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 26 },
+ }, {
+ .clk = {
+ .name = "display-if",
+ .parent = &clk_esysclk.clk,
+ .ctrlbit = S3C2443_SCLKCON_DISPCLK,
+ .enable = s3c2443_clkcon_enable_s,
+ },
+ .reg_div = { .reg = S3C2443_CLKDIV1, .size = 8, .shift = 16 },
+ },
+ };
+
+ static struct clksrc_clk clk_esys_uart = {
+ /* ART baud-rate clock sourced from esysclk via a divisor */
+ .clk = {
+ .name = "uartclk",
+ .parent = &clk_esysclk.clk,
+ },
+ .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 8 },
+ };
+
+ static struct clk clk_i2s_ext = {
+ .name = "i2s-ext",
+ };
+
+ /* i2s_eplldiv
+ *
+ * This clock is the output from the I2S divisor of ESYSCLK, and is separate
+ * from the mux that comes after it (cannot merge into one single clock)
+ */
+
+ static struct clksrc_clk clk_i2s_eplldiv = {
+ .clk = {
+ .name = "i2s-eplldiv",
+ .parent = &clk_esysclk.clk,
+ },
+ .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 12, },
+ };
+
+ /* i2s-ref
+ *
+ * i2s bus reference clock, selectable from external, esysclk or epllref
+ *
+ * Note, this used to be two clocks, but was compressed into one.
+ */
+
+ static struct clk *clk_i2s_srclist[] = {
+ [0] = &clk_i2s_eplldiv.clk,
+ [1] = &clk_i2s_ext,
+ [2] = &clk_epllref.clk,
+ [3] = &clk_epllref.clk,
+ };
+
+ static struct clksrc_clk clk_i2s = {
+ .clk = {
+ .name = "i2s-if",
+ .ctrlbit = S3C2443_SCLKCON_I2SCLK,
+ .enable = s3c2443_clkcon_enable_s,
+
+ },
+ .sources = &(struct clksrc_sources) {
+ .sources = clk_i2s_srclist,
+ .nr_sources = ARRAY_SIZE(clk_i2s_srclist),
+ },
+ .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 },
+ };
+
+ static struct clk init_clocks_off[] = {
+ {
+ .name = "iis",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_IIS,
+ }, {
+ .name = "hsspi",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_HSSPI,
+ }, {
+ .name = "adc",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_ADC,
+ }, {
+ .name = "i2c",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_IIC,
+ }
+ };
+
+ static struct clk init_clocks[] = {
+ {
+ .name = "dma",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_DMA0,
+ }, {
+ .name = "dma",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_DMA1,
+ }, {
+ .name = "dma",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_DMA2,
+ }, {
+ .name = "dma",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_DMA3,
+ }, {
+ .name = "dma",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_DMA4,
+ }, {
+ .name = "dma",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_DMA5,
+ }, {
+ .name = "gpio",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_GPIO,
+ }, {
+ .name = "usb-host",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_USBH,
+ }, {
+ .name = "usb-device",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_USBD,
+ }, {
+ .name = "lcd",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_LCDC,
+
+ }, {
+ .name = "timers",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_PWMT,
+ }, {
+ .name = "cfc",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_CFC,
+ }, {
+ .name = "ssmc",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_SSMC,
+ }, {
+ .name = "uart",
+ .devname = "s3c2440-uart.0",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_UART0,
+ }, {
+ .name = "uart",
+ .devname = "s3c2440-uart.1",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_UART1,
+ }, {
+ .name = "uart",
+ .devname = "s3c2440-uart.2",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_UART2,
+ }, {
+ .name = "uart",
+ .devname = "s3c2440-uart.3",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_UART3,
+ }, {
+ .name = "rtc",
+ .parent = &clk_p,
+ .enable = s3c2443_clkcon_enable_p,
+ .ctrlbit = S3C2443_PCLKCON_RTC,
+ }, {
+ .name = "watchdog",
+ .parent = &clk_p,
+ .ctrlbit = S3C2443_PCLKCON_WDT,
+ }, {
+ .name = "ac97",
+ .parent = &clk_p,
+ .ctrlbit = S3C2443_PCLKCON_AC97,
+ }, {
+ .name = "nand",
+ .parent = &clk_h,
+ }, {
+ .name = "usb-bus-host",
+ .parent = &clk_usb_bus_host.clk,
+ }
+ };
+
+ static struct clk hsmmc1_clk = {
+ .name = "hsmmc",
+ .devname = "s3c-sdhci.1",
+ .parent = &clk_h,
+ .enable = s3c2443_clkcon_enable_h,
+ .ctrlbit = S3C2443_HCLKCON_HSMMC,
+ };
+
+ /* EPLLCON compatible enough to get on/off information */
+
+ void __init_or_cpufreq s3c2443_common_setup_clocks(pll_fn get_mpll)
+ {
+ unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
+ unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON);
+ struct clk *xtal_clk;
+ unsigned long xtal;
+ unsigned long pll;
+ int ptr;
+
+ xtal_clk = clk_get(NULL, "xtal");
+ xtal = clk_get_rate(xtal_clk);
+ clk_put(xtal_clk);
+
+ pll = get_mpll(mpllcon, xtal);
+ clk_msysclk.clk.rate = pll;
+ clk_mpll.rate = pll;
+
+ printk("CPU: MPLL %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n",
+ (mpllcon & S3C2443_PLLCON_OFF) ? "off" : "on",
+ print_mhz(pll), print_mhz(clk_get_rate(&clk_armdiv)),
+ print_mhz(clk_get_rate(&clk_h)),
+ print_mhz(clk_get_rate(&clk_p)));
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrc_clks); ptr++)
+ s3c_set_clksrc(&clksrc_clks[ptr], true);
+
+ /* ensure usb bus clock is within correct rate of 48MHz */
+
+ if (clk_get_rate(&clk_usb_bus_host.clk) != (48 * 1000 * 1000)) {
+ printk(KERN_INFO "Warning: USB host bus not at 48MHz\n");
+ clk_set_rate(&clk_usb_bus_host.clk, 48*1000*1000);
+ }
+
+ printk("CPU: EPLL %s %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n",
+ (epllcon & S3C2443_PLLCON_OFF) ? "off" : "on",
+ print_mhz(clk_get_rate(&clk_epll)),
+ print_mhz(clk_get_rate(&clk_usb_bus)));
+ }
+
+ static struct clk *clks[] __initdata = {
+ &clk_prediv,
+ &clk_mpllref,
+ &clk_mdivclk,
+ &clk_ext,
+ &clk_epll,
+ &clk_usb_bus,
+ &clk_armdiv,
+ &hsmmc1_clk,
+ };
+
+ static struct clksrc_clk *clksrcs[] __initdata = {
+ &clk_i2s_eplldiv,
+ &clk_i2s,
+ &clk_usb_bus_host,
+ &clk_epllref,
+ &clk_esysclk,
+ &clk_msysclk,
+ &clk_arm,
+ };
+
+ static struct clk_lookup s3c2443_clk_lookup[] = {
+ CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk),
+ CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
+ CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_esys_uart.clk),
+ CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &hsmmc1_clk),
+ };
+
+ void __init s3c2443_common_init_clocks(int xtal, pll_fn get_mpll,
+ unsigned int *divs, int nr_divs,
+ int divmask)
+ {
+ int ptr;
+
+ armdiv = divs;
+ nr_armdiv = nr_divs;
+ armdivmask = divmask;
+
+ /* s3c2443 parents h clock from prediv */
+ clk_h.parent = &clk_prediv;
+ clk_h.ops = &clk_h_ops;
+
+ /* and p clock from h clock */
+ clk_p.parent = &clk_h;
+ clk_p.ops = &clk_p_ops;
+
+ clk_usb_bus.parent = &clk_usb_bus_host.clk;
+ clk_epll.parent = &clk_epllref.clk;
+
+ s3c24xx_register_baseclocks(xtal);
+ s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+ s3c_register_clksrc(clksrcs[ptr], 1);
+
+ s3c_register_clksrc(clksrc_clks, ARRAY_SIZE(clksrc_clks));
+ s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+ /* See s3c2443/etc notes on disabling clocks at init time */
+ s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+ s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+ clkdev_add_table(s3c2443_clk_lookup, ARRAY_SIZE(s3c2443_clk_lookup));
+
+ s3c2443_common_setup_clocks(get_mpll);
+ }
--- /dev/null
-static int __init s3c2410_dma_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2410/dma.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 DMA selection
+ *
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+ #include <linux/device.h>
+ #include <linux/serial_core.h>
+
+ #include <mach/map.h>
+ #include <mach/dma.h>
+
+ #include <plat/cpu.h>
+ #include <plat/dma-s3c24xx.h>
+
+ #include <plat/regs-serial.h>
+ #include <mach/regs-gpio.h>
+ #include <plat/regs-ac97.h>
+ #include <plat/regs-dma.h>
+ #include <mach/regs-mem.h>
+ #include <mach/regs-lcd.h>
+ #include <mach/regs-sdi.h>
+ #include <plat/regs-iis.h>
+ #include <plat/regs-spi.h>
+
+ static struct s3c24xx_dma_map __initdata s3c2410_dma_mappings[] = {
+ [DMACH_XD0] = {
+ .name = "xdreq0",
+ .channels[0] = S3C2410_DCON_CH0_XDREQ0 | DMA_CH_VALID,
+ },
+ [DMACH_XD1] = {
+ .name = "xdreq1",
+ .channels[1] = S3C2410_DCON_CH1_XDREQ1 | DMA_CH_VALID,
+ },
+ [DMACH_SDI] = {
+ .name = "sdi",
+ .channels[0] = S3C2410_DCON_CH0_SDI | DMA_CH_VALID,
+ .channels[2] = S3C2410_DCON_CH2_SDI | DMA_CH_VALID,
+ .channels[3] = S3C2410_DCON_CH3_SDI | DMA_CH_VALID,
+ },
+ [DMACH_SPI0] = {
+ .name = "spi0",
+ .channels[1] = S3C2410_DCON_CH1_SPI | DMA_CH_VALID,
+ },
+ [DMACH_SPI1] = {
+ .name = "spi1",
+ .channels[3] = S3C2410_DCON_CH3_SPI | DMA_CH_VALID,
+ },
+ [DMACH_UART0] = {
+ .name = "uart0",
+ .channels[0] = S3C2410_DCON_CH0_UART0 | DMA_CH_VALID,
+ },
+ [DMACH_UART1] = {
+ .name = "uart1",
+ .channels[1] = S3C2410_DCON_CH1_UART1 | DMA_CH_VALID,
+ },
+ [DMACH_UART2] = {
+ .name = "uart2",
+ .channels[3] = S3C2410_DCON_CH3_UART2 | DMA_CH_VALID,
+ },
+ [DMACH_TIMER] = {
+ .name = "timer",
+ .channels[0] = S3C2410_DCON_CH0_TIMER | DMA_CH_VALID,
+ .channels[2] = S3C2410_DCON_CH2_TIMER | DMA_CH_VALID,
+ .channels[3] = S3C2410_DCON_CH3_TIMER | DMA_CH_VALID,
+ },
+ [DMACH_I2S_IN] = {
+ .name = "i2s-sdi",
+ .channels[1] = S3C2410_DCON_CH1_I2SSDI | DMA_CH_VALID,
+ .channels[2] = S3C2410_DCON_CH2_I2SSDI | DMA_CH_VALID,
+ },
+ [DMACH_I2S_OUT] = {
+ .name = "i2s-sdo",
+ .channels[2] = S3C2410_DCON_CH2_I2SSDO | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP1] = {
+ .name = "usb-ep1",
+ .channels[0] = S3C2410_DCON_CH0_USBEP1 | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP2] = {
+ .name = "usb-ep2",
+ .channels[1] = S3C2410_DCON_CH1_USBEP2 | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP3] = {
+ .name = "usb-ep3",
+ .channels[2] = S3C2410_DCON_CH2_USBEP3 | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP4] = {
+ .name = "usb-ep4",
+ .channels[3] =S3C2410_DCON_CH3_USBEP4 | DMA_CH_VALID,
+ },
+ };
+
+ static void s3c2410_dma_select(struct s3c2410_dma_chan *chan,
+ struct s3c24xx_dma_map *map)
+ {
+ chan->dcon = map->channels[chan->number] & ~DMA_CH_VALID;
+ }
+
+ static struct s3c24xx_dma_selection __initdata s3c2410_dma_sel = {
+ .select = s3c2410_dma_select,
+ .dcon_mask = 7 << 24,
+ .map = s3c2410_dma_mappings,
+ .map_size = ARRAY_SIZE(s3c2410_dma_mappings),
+ };
+
+ static struct s3c24xx_dma_order __initdata s3c2410_dma_order = {
+ .channels = {
+ [DMACH_SDI] = {
+ .list = {
+ [0] = 3 | DMA_CH_VALID,
+ [1] = 2 | DMA_CH_VALID,
+ [2] = 0 | DMA_CH_VALID,
+ },
+ },
+ [DMACH_I2S_IN] = {
+ .list = {
+ [0] = 1 | DMA_CH_VALID,
+ [1] = 2 | DMA_CH_VALID,
+ },
+ },
+ },
+ };
+
- return subsys_interface_register(&s3c2410_interface);
++static int __init s3c2410_dma_add(struct device *dev,
++ struct subsys_interface *sif)
+ {
+ s3c2410_dma_init();
+ s3c24xx_dma_order_set(&s3c2410_dma_order);
+ return s3c24xx_dma_init_map(&s3c2410_dma_sel);
+ }
+
+ #if defined(CONFIG_CPU_S3C2410)
+ static struct subsys_interface s3c2410_dma_interface = {
+ .name = "s3c2410_dma",
+ .subsys = &s3c2410_subsys,
+ .add_dev = s3c2410_dma_add,
+ };
+
+ static int __init s3c2410_dma_drvinit(void)
+ {
++ return subsys_interface_register(&s3c2410_dma_interface);
+ }
+
+ arch_initcall(s3c2410_dma_drvinit);
+
+ static struct subsys_interface s3c2410a_dma_interface = {
+ .name = "s3c2410a_dma",
+ .subsys = &s3c2410a_subsys,
+ .add_dev = s3c2410_dma_add,
+ };
+
+ static int __init s3c2410a_dma_drvinit(void)
+ {
+ return subsys_interface_register(&s3c2410a_dma_interface);
+ }
+
+ arch_initcall(s3c2410a_dma_drvinit);
+ #endif
+
+ #if defined(CONFIG_CPU_S3C2442)
+ /* S3C2442 DMA contains the same selection table as the S3C2410 */
+ static struct subsys_interface s3c2442_dma_interface = {
+ .name = "s3c2442_dma",
+ .subsys = &s3c2442_subsys,
+ .add_dev = s3c2410_dma_add,
+ };
+
+ static int __init s3c2442_dma_drvinit(void)
+ {
+ return subsys_interface_register(&s3c2442_dma_interface);
+ }
+
+ arch_initcall(s3c2442_dma_drvinit);
+ #endif
+
--- /dev/null
-static int __init s3c2412_dma_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2412/dma.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2412 DMA selection
+ *
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+ #include <linux/device.h>
+ #include <linux/serial_core.h>
+ #include <linux/io.h>
+
+ #include <mach/dma.h>
+
+ #include <plat/dma-s3c24xx.h>
+ #include <plat/cpu.h>
+
+ #include <plat/regs-serial.h>
+ #include <mach/regs-gpio.h>
+ #include <plat/regs-ac97.h>
+ #include <plat/regs-dma.h>
+ #include <mach/regs-mem.h>
+ #include <mach/regs-lcd.h>
+ #include <mach/regs-sdi.h>
+ #include <plat/regs-iis.h>
+ #include <plat/regs-spi.h>
+
+ #define MAP(x) { (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID, (x)| DMA_CH_VALID }
+
+ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
+ [DMACH_XD0] = {
+ .name = "xdreq0",
+ .channels = MAP(S3C2412_DMAREQSEL_XDREQ0),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_XDREQ0),
+ },
+ [DMACH_XD1] = {
+ .name = "xdreq1",
+ .channels = MAP(S3C2412_DMAREQSEL_XDREQ1),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_XDREQ1),
+ },
+ [DMACH_SDI] = {
+ .name = "sdi",
+ .channels = MAP(S3C2412_DMAREQSEL_SDI),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_SDI),
+ },
+ [DMACH_SPI0] = {
+ .name = "spi0",
+ .channels = MAP(S3C2412_DMAREQSEL_SPI0TX),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_SPI0RX),
+ },
+ [DMACH_SPI1] = {
+ .name = "spi1",
+ .channels = MAP(S3C2412_DMAREQSEL_SPI1TX),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_SPI1RX),
+ },
+ [DMACH_UART0] = {
+ .name = "uart0",
+ .channels = MAP(S3C2412_DMAREQSEL_UART0_0),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_UART0_0),
+ },
+ [DMACH_UART1] = {
+ .name = "uart1",
+ .channels = MAP(S3C2412_DMAREQSEL_UART1_0),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_UART1_0),
+ },
+ [DMACH_UART2] = {
+ .name = "uart2",
+ .channels = MAP(S3C2412_DMAREQSEL_UART2_0),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_UART2_0),
+ },
+ [DMACH_UART0_SRC2] = {
+ .name = "uart0",
+ .channels = MAP(S3C2412_DMAREQSEL_UART0_1),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_UART0_1),
+ },
+ [DMACH_UART1_SRC2] = {
+ .name = "uart1",
+ .channels = MAP(S3C2412_DMAREQSEL_UART1_1),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_UART1_1),
+ },
+ [DMACH_UART2_SRC2] = {
+ .name = "uart2",
+ .channels = MAP(S3C2412_DMAREQSEL_UART2_1),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_UART2_1),
+ },
+ [DMACH_TIMER] = {
+ .name = "timer",
+ .channels = MAP(S3C2412_DMAREQSEL_TIMER),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_TIMER),
+ },
+ [DMACH_I2S_IN] = {
+ .name = "i2s-sdi",
+ .channels = MAP(S3C2412_DMAREQSEL_I2SRX),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_I2SRX),
+ },
+ [DMACH_I2S_OUT] = {
+ .name = "i2s-sdo",
+ .channels = MAP(S3C2412_DMAREQSEL_I2STX),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_I2STX),
+ },
+ [DMACH_USB_EP1] = {
+ .name = "usb-ep1",
+ .channels = MAP(S3C2412_DMAREQSEL_USBEP1),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP1),
+ },
+ [DMACH_USB_EP2] = {
+ .name = "usb-ep2",
+ .channels = MAP(S3C2412_DMAREQSEL_USBEP2),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP2),
+ },
+ [DMACH_USB_EP3] = {
+ .name = "usb-ep3",
+ .channels = MAP(S3C2412_DMAREQSEL_USBEP3),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP3),
+ },
+ [DMACH_USB_EP4] = {
+ .name = "usb-ep4",
+ .channels = MAP(S3C2412_DMAREQSEL_USBEP4),
+ .channels_rx = MAP(S3C2412_DMAREQSEL_USBEP4),
+ },
+ };
+
+ static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan,
+ struct s3c24xx_dma_map *map,
+ enum dma_data_direction dir)
+ {
+ unsigned long chsel;
+
+ if (dir == DMA_FROM_DEVICE)
+ chsel = map->channels_rx[0];
+ else
+ chsel = map->channels[0];
+
+ chsel &= ~DMA_CH_VALID;
+ chsel |= S3C2412_DMAREQSEL_HW;
+
+ writel(chsel, chan->regs + S3C2412_DMA_DMAREQSEL);
+ }
+
+ static void s3c2412_dma_select(struct s3c2410_dma_chan *chan,
+ struct s3c24xx_dma_map *map)
+ {
+ s3c2412_dma_direction(chan, map, chan->source);
+ }
+
+ static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = {
+ .select = s3c2412_dma_select,
+ .direction = s3c2412_dma_direction,
+ .dcon_mask = 0,
+ .map = s3c2412_dma_mappings,
+ .map_size = ARRAY_SIZE(s3c2412_dma_mappings),
+ };
+
++static int __init s3c2412_dma_add(struct device *dev,
++ struct subsys_interface *sif)
+ {
+ s3c2410_dma_init();
+ return s3c24xx_dma_init_map(&s3c2412_dma_sel);
+ }
+
+ static struct subsys_interface s3c2412_dma_interface = {
+ .name = "s3c2412_dma",
+ .subsys = &s3c2412_subsys,
+ .add_dev = s3c2412_dma_add,
+ };
+
+ static int __init s3c2412_dma_init(void)
+ {
+ return subsys_interface_register(&s3c2412_dma_interface);
+ }
+
+ arch_initcall(s3c2412_dma_init);
--- /dev/null
-static int __init s3c2440_dma_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2440/dma.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2440 DMA selection
+ *
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+ #include <linux/device.h>
+ #include <linux/serial_core.h>
+
+ #include <mach/map.h>
+ #include <mach/dma.h>
+
+ #include <plat/dma-s3c24xx.h>
+ #include <plat/cpu.h>
+
+ #include <plat/regs-serial.h>
+ #include <mach/regs-gpio.h>
+ #include <plat/regs-ac97.h>
+ #include <plat/regs-dma.h>
+ #include <mach/regs-mem.h>
+ #include <mach/regs-lcd.h>
+ #include <mach/regs-sdi.h>
+ #include <plat/regs-iis.h>
+ #include <plat/regs-spi.h>
+
+ static struct s3c24xx_dma_map __initdata s3c2440_dma_mappings[] = {
+ [DMACH_XD0] = {
+ .name = "xdreq0",
+ .channels[0] = S3C2410_DCON_CH0_XDREQ0 | DMA_CH_VALID,
+ },
+ [DMACH_XD1] = {
+ .name = "xdreq1",
+ .channels[1] = S3C2410_DCON_CH1_XDREQ1 | DMA_CH_VALID,
+ },
+ [DMACH_SDI] = {
+ .name = "sdi",
+ .channels[0] = S3C2410_DCON_CH0_SDI | DMA_CH_VALID,
+ .channels[1] = S3C2440_DCON_CH1_SDI | DMA_CH_VALID,
+ .channels[2] = S3C2410_DCON_CH2_SDI | DMA_CH_VALID,
+ .channels[3] = S3C2410_DCON_CH3_SDI | DMA_CH_VALID,
+ },
+ [DMACH_SPI0] = {
+ .name = "spi0",
+ .channels[1] = S3C2410_DCON_CH1_SPI | DMA_CH_VALID,
+ },
+ [DMACH_SPI1] = {
+ .name = "spi1",
+ .channels[3] = S3C2410_DCON_CH3_SPI | DMA_CH_VALID,
+ },
+ [DMACH_UART0] = {
+ .name = "uart0",
+ .channels[0] = S3C2410_DCON_CH0_UART0 | DMA_CH_VALID,
+ },
+ [DMACH_UART1] = {
+ .name = "uart1",
+ .channels[1] = S3C2410_DCON_CH1_UART1 | DMA_CH_VALID,
+ },
+ [DMACH_UART2] = {
+ .name = "uart2",
+ .channels[3] = S3C2410_DCON_CH3_UART2 | DMA_CH_VALID,
+ },
+ [DMACH_TIMER] = {
+ .name = "timer",
+ .channels[0] = S3C2410_DCON_CH0_TIMER | DMA_CH_VALID,
+ .channels[2] = S3C2410_DCON_CH2_TIMER | DMA_CH_VALID,
+ .channels[3] = S3C2410_DCON_CH3_TIMER | DMA_CH_VALID,
+ },
+ [DMACH_I2S_IN] = {
+ .name = "i2s-sdi",
+ .channels[1] = S3C2410_DCON_CH1_I2SSDI | DMA_CH_VALID,
+ .channels[2] = S3C2410_DCON_CH2_I2SSDI | DMA_CH_VALID,
+ },
+ [DMACH_I2S_OUT] = {
+ .name = "i2s-sdo",
+ .channels[0] = S3C2440_DCON_CH0_I2SSDO | DMA_CH_VALID,
+ .channels[2] = S3C2410_DCON_CH2_I2SSDO | DMA_CH_VALID,
+ },
+ [DMACH_PCM_IN] = {
+ .name = "pcm-in",
+ .channels[0] = S3C2440_DCON_CH0_PCMIN | DMA_CH_VALID,
+ .channels[2] = S3C2440_DCON_CH2_PCMIN | DMA_CH_VALID,
+ },
+ [DMACH_PCM_OUT] = {
+ .name = "pcm-out",
+ .channels[1] = S3C2440_DCON_CH1_PCMOUT | DMA_CH_VALID,
+ .channels[3] = S3C2440_DCON_CH3_PCMOUT | DMA_CH_VALID,
+ },
+ [DMACH_MIC_IN] = {
+ .name = "mic-in",
+ .channels[2] = S3C2440_DCON_CH2_MICIN | DMA_CH_VALID,
+ .channels[3] = S3C2440_DCON_CH3_MICIN | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP1] = {
+ .name = "usb-ep1",
+ .channels[0] = S3C2410_DCON_CH0_USBEP1 | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP2] = {
+ .name = "usb-ep2",
+ .channels[1] = S3C2410_DCON_CH1_USBEP2 | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP3] = {
+ .name = "usb-ep3",
+ .channels[2] = S3C2410_DCON_CH2_USBEP3 | DMA_CH_VALID,
+ },
+ [DMACH_USB_EP4] = {
+ .name = "usb-ep4",
+ .channels[3] = S3C2410_DCON_CH3_USBEP4 | DMA_CH_VALID,
+ },
+ };
+
+ static void s3c2440_dma_select(struct s3c2410_dma_chan *chan,
+ struct s3c24xx_dma_map *map)
+ {
+ chan->dcon = map->channels[chan->number] & ~DMA_CH_VALID;
+ }
+
+ static struct s3c24xx_dma_selection __initdata s3c2440_dma_sel = {
+ .select = s3c2440_dma_select,
+ .dcon_mask = 7 << 24,
+ .map = s3c2440_dma_mappings,
+ .map_size = ARRAY_SIZE(s3c2440_dma_mappings),
+ };
+
+ static struct s3c24xx_dma_order __initdata s3c2440_dma_order = {
+ .channels = {
+ [DMACH_SDI] = {
+ .list = {
+ [0] = 3 | DMA_CH_VALID,
+ [1] = 2 | DMA_CH_VALID,
+ [2] = 1 | DMA_CH_VALID,
+ [3] = 0 | DMA_CH_VALID,
+ },
+ },
+ [DMACH_I2S_IN] = {
+ .list = {
+ [0] = 1 | DMA_CH_VALID,
+ [1] = 2 | DMA_CH_VALID,
+ },
+ },
+ [DMACH_I2S_OUT] = {
+ .list = {
+ [0] = 2 | DMA_CH_VALID,
+ [1] = 1 | DMA_CH_VALID,
+ },
+ },
+ [DMACH_PCM_IN] = {
+ .list = {
+ [0] = 2 | DMA_CH_VALID,
+ [1] = 1 | DMA_CH_VALID,
+ },
+ },
+ [DMACH_PCM_OUT] = {
+ .list = {
+ [0] = 1 | DMA_CH_VALID,
+ [1] = 3 | DMA_CH_VALID,
+ },
+ },
+ [DMACH_MIC_IN] = {
+ .list = {
+ [0] = 3 | DMA_CH_VALID,
+ [1] = 2 | DMA_CH_VALID,
+ },
+ },
+ },
+ };
+
++static int __init s3c2440_dma_add(struct device *dev,
++ struct subsys_interface *sif)
+ {
+ s3c2410_dma_init();
+ s3c24xx_dma_order_set(&s3c2440_dma_order);
+ return s3c24xx_dma_init_map(&s3c2440_dma_sel);
+ }
+
+ static struct subsys_interface s3c2440_dma_interface = {
+ .name = "s3c2440_dma",
+ .subsys = &s3c2440_subsys,
+ .add_dev = s3c2440_dma_add,
+ };
+
+ static int __init s3c2440_dma_init(void)
+ {
+ return subsys_interface_register(&s3c2440_dma_interface);
+ }
+
+ arch_initcall(s3c2440_dma_init);
+
--- /dev/null
-static int __init s3c2443_dma_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2443/dma.c
+ *
+ * Copyright (c) 2007 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2443 DMA selection
+ *
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/init.h>
+ #include <linux/device.h>
+ #include <linux/serial_core.h>
+ #include <linux/io.h>
+
+ #include <mach/dma.h>
+
+ #include <plat/dma-s3c24xx.h>
+ #include <plat/cpu.h>
+
+ #include <plat/regs-serial.h>
+ #include <mach/regs-gpio.h>
+ #include <plat/regs-ac97.h>
+ #include <plat/regs-dma.h>
+ #include <mach/regs-mem.h>
+ #include <mach/regs-lcd.h>
+ #include <mach/regs-sdi.h>
+ #include <plat/regs-iis.h>
+ #include <plat/regs-spi.h>
+
+ #define MAP(x) { \
+ [0] = (x) | DMA_CH_VALID, \
+ [1] = (x) | DMA_CH_VALID, \
+ [2] = (x) | DMA_CH_VALID, \
+ [3] = (x) | DMA_CH_VALID, \
+ [4] = (x) | DMA_CH_VALID, \
+ [5] = (x) | DMA_CH_VALID, \
+ }
+
+ static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = {
+ [DMACH_XD0] = {
+ .name = "xdreq0",
+ .channels = MAP(S3C2443_DMAREQSEL_XDREQ0),
+ },
+ [DMACH_XD1] = {
+ .name = "xdreq1",
+ .channels = MAP(S3C2443_DMAREQSEL_XDREQ1),
+ },
+ [DMACH_SDI] = { /* only on S3C2443 */
+ .name = "sdi",
+ .channels = MAP(S3C2443_DMAREQSEL_SDI),
+ },
+ [DMACH_SPI0] = {
+ .name = "spi0",
+ .channels = MAP(S3C2443_DMAREQSEL_SPI0TX),
+ },
+ [DMACH_SPI1] = { /* only on S3C2443/S3C2450 */
+ .name = "spi1",
+ .channels = MAP(S3C2443_DMAREQSEL_SPI1TX),
+ },
+ [DMACH_UART0] = {
+ .name = "uart0",
+ .channels = MAP(S3C2443_DMAREQSEL_UART0_0),
+ },
+ [DMACH_UART1] = {
+ .name = "uart1",
+ .channels = MAP(S3C2443_DMAREQSEL_UART1_0),
+ },
+ [DMACH_UART2] = {
+ .name = "uart2",
+ .channels = MAP(S3C2443_DMAREQSEL_UART2_0),
+ },
+ [DMACH_UART3] = {
+ .name = "uart3",
+ .channels = MAP(S3C2443_DMAREQSEL_UART3_0),
+ },
+ [DMACH_UART0_SRC2] = {
+ .name = "uart0",
+ .channels = MAP(S3C2443_DMAREQSEL_UART0_1),
+ },
+ [DMACH_UART1_SRC2] = {
+ .name = "uart1",
+ .channels = MAP(S3C2443_DMAREQSEL_UART1_1),
+ },
+ [DMACH_UART2_SRC2] = {
+ .name = "uart2",
+ .channels = MAP(S3C2443_DMAREQSEL_UART2_1),
+ },
+ [DMACH_UART3_SRC2] = {
+ .name = "uart3",
+ .channels = MAP(S3C2443_DMAREQSEL_UART3_1),
+ },
+ [DMACH_TIMER] = {
+ .name = "timer",
+ .channels = MAP(S3C2443_DMAREQSEL_TIMER),
+ },
+ [DMACH_I2S_IN] = {
+ .name = "i2s-sdi",
+ .channels = MAP(S3C2443_DMAREQSEL_I2SRX),
+ },
+ [DMACH_I2S_OUT] = {
+ .name = "i2s-sdo",
+ .channels = MAP(S3C2443_DMAREQSEL_I2STX),
+ },
+ [DMACH_PCM_IN] = {
+ .name = "pcm-in",
+ .channels = MAP(S3C2443_DMAREQSEL_PCMIN),
+ },
+ [DMACH_PCM_OUT] = {
+ .name = "pcm-out",
+ .channels = MAP(S3C2443_DMAREQSEL_PCMOUT),
+ },
+ [DMACH_MIC_IN] = {
+ .name = "mic-in",
+ .channels = MAP(S3C2443_DMAREQSEL_MICIN),
+ },
+ };
+
+ static void s3c2443_dma_select(struct s3c2410_dma_chan *chan,
+ struct s3c24xx_dma_map *map)
+ {
+ writel(map->channels[0] | S3C2443_DMAREQSEL_HW,
+ chan->regs + S3C2443_DMA_DMAREQSEL);
+ }
+
+ static struct s3c24xx_dma_selection __initdata s3c2443_dma_sel = {
+ .select = s3c2443_dma_select,
+ .dcon_mask = 0,
+ .map = s3c2443_dma_mappings,
+ .map_size = ARRAY_SIZE(s3c2443_dma_mappings),
+ };
+
++static int __init s3c2443_dma_add(struct device *dev,
++ struct subsys_interface *sif)
+ {
+ s3c24xx_dma_init(6, IRQ_S3C2443_DMA0, 0x100);
+ return s3c24xx_dma_init_map(&s3c2443_dma_sel);
+ }
+
+ #ifdef CONFIG_CPU_S3C2416
+ /* S3C2416 DMA contains the same selection table as the S3C2443 */
+ static struct subsys_interface s3c2416_dma_interface = {
+ .name = "s3c2416_dma",
+ .subsys = &s3c2416_subsys,
+ .add_dev = s3c2443_dma_add,
+ };
+
+ static int __init s3c2416_dma_init(void)
+ {
+ return subsys_interface_register(&s3c2416_dma_interface);
+ }
+
+ arch_initcall(s3c2416_dma_init);
+ #endif
+
+ #ifdef CONFIG_CPU_S3C2443
+ static struct subsys_interface s3c2443_dma_interface = {
+ .name = "s3c2443_dma",
+ .subsys = &s3c2443_subsys,
+ .add_dev = s3c2443_dma_add,
+ };
+
+ static int __init s3c2443_dma_init(void)
+ {
+ return subsys_interface_register(&s3c2443_dma_interface);
+ }
+
+ arch_initcall(s3c2443_dma_init);
+ #endif
--- /dev/null
- .macro arch_ret_to_user, tmp1, tmp2
- .endm
-
+ /*
+ * arch/arm/mach-s3c2410/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for S3C2410-based platforms
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+ /* We have a problem that the INTOFFSET register does not always
+ * show one interrupt. Occasionally we get two interrupts through
+ * the prioritiser, and this causes the INTOFFSET register to show
+ * what looks like the logical-or of the two interrupt numbers.
+ *
+ * Thanks to Klaus, Shannon, et al for helping to debug this problem
+ */
+
+ #define INTPND (0x10)
+ #define INTOFFSET (0x14)
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+
+ .macro get_irqnr_preamble, base, tmp
+ .endm
+
-
- /* currently don't need an disable_fiq macro */
-
- .macro disable_fiq
- .endm
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+ mov \base, #S3C24XX_VA_IRQ
+
+ @@ try the interrupt offset register, since it is there
+
+ ldr \irqstat, [ \base, #INTPND ]
+ teq \irqstat, #0
+ beq 1002f
+ ldr \irqnr, [ \base, #INTOFFSET ]
+ mov \tmp, #1
+ tst \irqstat, \tmp, lsl \irqnr
+ bne 1001f
+
+ @@ the number specified is not a valid irq, so try
+ @@ and work it out for ourselves
+
+ mov \irqnr, #0 @@ start here
+
+ @@ work out which irq (if any) we got
+
+ movs \tmp, \irqstat, lsl#16
+ addeq \irqnr, \irqnr, #16
+ moveq \irqstat, \irqstat, lsr#16
+ tst \irqstat, #0xff
+ addeq \irqnr, \irqnr, #8
+ moveq \irqstat, \irqstat, lsr#8
+ tst \irqstat, #0xf
+ addeq \irqnr, \irqnr, #4
+ moveq \irqstat, \irqstat, lsr#4
+ tst \irqstat, #0x3
+ addeq \irqnr, \irqnr, #2
+ moveq \irqstat, \irqstat, lsr#2
+ tst \irqstat, #0x1
+ addeq \irqnr, \irqnr, #1
+
+ @@ we have the value
+ 1001:
+ adds \irqnr, \irqnr, #IRQ_EINT0
+ 1002:
+ @@ exit here, Z flag unset if IRQ
+
+ .endm
--- /dev/null
-static int s3c2412_irq_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2412/irq.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/device.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+
+ #include <asm/mach/irq.h>
+
+ #include <mach/regs-irq.h>
+ #include <mach/regs-gpio.h>
+ #include <mach/regs-power.h>
+
+ #include <plat/cpu.h>
+ #include <plat/irq.h>
+ #include <plat/pm.h>
+
+ #define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
+ #define INTMSK_SUB(start, end) (INTMSK(start, end) << ((start - S3C2410_IRQSUB(0))))
+
+ /* the s3c2412 changes the behaviour of IRQ_EINT0 through IRQ_EINT3 by
+ * having them turn up in both the INT* and the EINT* registers. Whilst
+ * both show the status, they both now need to be acked when the IRQs
+ * go off.
+ */
+
+ static void
+ s3c2412_irq_mask(struct irq_data *data)
+ {
+ unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
+ unsigned long mask;
+
+ mask = __raw_readl(S3C2410_INTMSK);
+ __raw_writel(mask | bitval, S3C2410_INTMSK);
+
+ mask = __raw_readl(S3C2412_EINTMASK);
+ __raw_writel(mask | bitval, S3C2412_EINTMASK);
+ }
+
+ static inline void
+ s3c2412_irq_ack(struct irq_data *data)
+ {
+ unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
+
+ __raw_writel(bitval, S3C2412_EINTPEND);
+ __raw_writel(bitval, S3C2410_SRCPND);
+ __raw_writel(bitval, S3C2410_INTPND);
+ }
+
+ static inline void
+ s3c2412_irq_maskack(struct irq_data *data)
+ {
+ unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
+ unsigned long mask;
+
+ mask = __raw_readl(S3C2410_INTMSK);
+ __raw_writel(mask|bitval, S3C2410_INTMSK);
+
+ mask = __raw_readl(S3C2412_EINTMASK);
+ __raw_writel(mask | bitval, S3C2412_EINTMASK);
+
+ __raw_writel(bitval, S3C2412_EINTPEND);
+ __raw_writel(bitval, S3C2410_SRCPND);
+ __raw_writel(bitval, S3C2410_INTPND);
+ }
+
+ static void
+ s3c2412_irq_unmask(struct irq_data *data)
+ {
+ unsigned long bitval = 1UL << (data->irq - IRQ_EINT0);
+ unsigned long mask;
+
+ mask = __raw_readl(S3C2412_EINTMASK);
+ __raw_writel(mask & ~bitval, S3C2412_EINTMASK);
+
+ mask = __raw_readl(S3C2410_INTMSK);
+ __raw_writel(mask & ~bitval, S3C2410_INTMSK);
+ }
+
+ static struct irq_chip s3c2412_irq_eint0t4 = {
+ .irq_ack = s3c2412_irq_ack,
+ .irq_mask = s3c2412_irq_mask,
+ .irq_unmask = s3c2412_irq_unmask,
+ .irq_set_wake = s3c_irq_wake,
+ .irq_set_type = s3c_irqext_type,
+ };
+
+ #define INTBIT(x) (1 << ((x) - S3C2410_IRQSUB(0)))
+
+ /* CF and SDI sub interrupts */
+
+ static void s3c2412_irq_demux_cfsdi(unsigned int irq, struct irq_desc *desc)
+ {
+ unsigned int subsrc, submsk;
+
+ subsrc = __raw_readl(S3C2410_SUBSRCPND);
+ submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+ subsrc &= ~submsk;
+
+ if (subsrc & INTBIT(IRQ_S3C2412_SDI))
+ generic_handle_irq(IRQ_S3C2412_SDI);
+
+ if (subsrc & INTBIT(IRQ_S3C2412_CF))
+ generic_handle_irq(IRQ_S3C2412_CF);
+ }
+
+ #define INTMSK_CFSDI (1UL << (IRQ_S3C2412_CFSDI - IRQ_EINT0))
+ #define SUBMSK_CFSDI INTMSK_SUB(IRQ_S3C2412_SDI, IRQ_S3C2412_CF)
+
+ static void s3c2412_irq_cfsdi_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_CFSDI, SUBMSK_CFSDI);
+ }
+
+ static void s3c2412_irq_cfsdi_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_CFSDI);
+ }
+
+ static void s3c2412_irq_cfsdi_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_CFSDI, SUBMSK_CFSDI);
+ }
+
+ static struct irq_chip s3c2412_irq_cfsdi = {
+ .name = "s3c2412-cfsdi",
+ .irq_ack = s3c2412_irq_cfsdi_ack,
+ .irq_mask = s3c2412_irq_cfsdi_mask,
+ .irq_unmask = s3c2412_irq_cfsdi_unmask,
+ };
+
+ static int s3c2412_irq_rtc_wake(struct irq_data *data, unsigned int state)
+ {
+ unsigned long pwrcfg;
+
+ pwrcfg = __raw_readl(S3C2412_PWRCFG);
+ if (state)
+ pwrcfg &= ~S3C2412_PWRCFG_RTC_MASKIRQ;
+ else
+ pwrcfg |= S3C2412_PWRCFG_RTC_MASKIRQ;
+ __raw_writel(pwrcfg, S3C2412_PWRCFG);
+
+ return s3c_irq_chip.irq_set_wake(data, state);
+ }
+
+ static struct irq_chip s3c2412_irq_rtc_chip;
+
++static int s3c2412_irq_add(struct device *dev, struct subsys_interface *sif)
+ {
+ unsigned int irqno;
+
+ for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) {
+ irq_set_chip_and_handler(irqno, &s3c2412_irq_eint0t4,
+ handle_edge_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ /* add demux support for CF/SDI */
+
+ irq_set_chained_handler(IRQ_S3C2412_CFSDI, s3c2412_irq_demux_cfsdi);
+
+ for (irqno = IRQ_S3C2412_SDI; irqno <= IRQ_S3C2412_CF; irqno++) {
+ irq_set_chip_and_handler(irqno, &s3c2412_irq_cfsdi,
+ handle_level_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ /* change RTC IRQ's set wake method */
+
+ s3c2412_irq_rtc_chip = s3c_irq_chip;
+ s3c2412_irq_rtc_chip.irq_set_wake = s3c2412_irq_rtc_wake;
+
+ irq_set_chip(IRQ_RTC, &s3c2412_irq_rtc_chip);
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2412_irq_interface = {
+ .name = "s3c2412_irq",
+ .subsys = &s3c2412_subsys,
+ .add_dev = s3c2412_irq_add,
+ };
+
+ static int s3c2412_irq_init(void)
+ {
+ return subsys_interface_register(&s3c2412_irq_interface);
+ }
+
+ arch_initcall(s3c2412_irq_init);
--- /dev/null
-static int __init s3c2416_irq_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2416/irq.c
+ *
+ * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
+ * as part of OpenInkpot project
+ * Copyright (c) 2009 Promwad Innovation Company
+ * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/device.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+
+ #include <asm/mach/irq.h>
+
+ #include <mach/regs-irq.h>
+ #include <mach/regs-gpio.h>
+
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+ #include <plat/irq.h>
+
+ #define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
+
+ static inline void s3c2416_irq_demux(unsigned int irq, unsigned int len)
+ {
+ unsigned int subsrc, submsk;
+ unsigned int end;
+
+ /* read the current pending interrupts, and the mask
+ * for what it is available */
+
+ subsrc = __raw_readl(S3C2410_SUBSRCPND);
+ submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+ subsrc &= ~submsk;
+ subsrc >>= (irq - S3C2410_IRQSUB(0));
+ subsrc &= (1 << len)-1;
+
+ end = len + irq;
+
+ for (; irq < end && subsrc; irq++) {
+ if (subsrc & 1)
+ generic_handle_irq(irq);
+
+ subsrc >>= 1;
+ }
+ }
+
+ /* WDT/AC97 sub interrupts */
+
+ static void s3c2416_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2416_irq_demux(IRQ_S3C2443_WDT, 4);
+ }
+
+ #define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0))
+ #define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97)
+
+ static void s3c2416_irq_wdtac97_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+ }
+
+ static void s3c2416_irq_wdtac97_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97);
+ }
+
+ static void s3c2416_irq_wdtac97_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+ }
+
+ static struct irq_chip s3c2416_irq_wdtac97 = {
+ .irq_mask = s3c2416_irq_wdtac97_mask,
+ .irq_unmask = s3c2416_irq_wdtac97_unmask,
+ .irq_ack = s3c2416_irq_wdtac97_ack,
+ };
+
+ /* LCD sub interrupts */
+
+ static void s3c2416_irq_demux_lcd(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2416_irq_demux(IRQ_S3C2443_LCD1, 4);
+ }
+
+ #define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0))
+ #define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4)
+
+ static void s3c2416_irq_lcd_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD);
+ }
+
+ static void s3c2416_irq_lcd_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_LCD);
+ }
+
+ static void s3c2416_irq_lcd_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD);
+ }
+
+ static struct irq_chip s3c2416_irq_lcd = {
+ .irq_mask = s3c2416_irq_lcd_mask,
+ .irq_unmask = s3c2416_irq_lcd_unmask,
+ .irq_ack = s3c2416_irq_lcd_ack,
+ };
+
+ /* DMA sub interrupts */
+
+ static void s3c2416_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2416_irq_demux(IRQ_S3C2443_DMA0, 6);
+ }
+
+ #define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
+ #define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5)
+
+
+ static void s3c2416_irq_dma_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA);
+ }
+
+ static void s3c2416_irq_dma_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_DMA);
+ }
+
+ static void s3c2416_irq_dma_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA);
+ }
+
+ static struct irq_chip s3c2416_irq_dma = {
+ .irq_mask = s3c2416_irq_dma_mask,
+ .irq_unmask = s3c2416_irq_dma_unmask,
+ .irq_ack = s3c2416_irq_dma_ack,
+ };
+
+ /* UART3 sub interrupts */
+
+ static void s3c2416_irq_demux_uart3(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2416_irq_demux(IRQ_S3C2443_RX3, 3);
+ }
+
+ #define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0))
+ #define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0)))
+
+ static void s3c2416_irq_uart3_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3);
+ }
+
+ static void s3c2416_irq_uart3_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_UART3);
+ }
+
+ static void s3c2416_irq_uart3_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3);
+ }
+
+ static struct irq_chip s3c2416_irq_uart3 = {
+ .irq_mask = s3c2416_irq_uart3_mask,
+ .irq_unmask = s3c2416_irq_uart3_unmask,
+ .irq_ack = s3c2416_irq_uart3_ack,
+ };
+
+ /* IRQ initialisation code */
+
+ static int __init s3c2416_add_sub(unsigned int base,
+ void (*demux)(unsigned int,
+ struct irq_desc *),
+ struct irq_chip *chip,
+ unsigned int start, unsigned int end)
+ {
+ unsigned int irqno;
+
+ irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq);
+ irq_set_chained_handler(base, demux);
+
+ for (irqno = start; irqno <= end; irqno++) {
+ irq_set_chip_and_handler(irqno, chip, handle_level_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ return 0;
+ }
+
++static int __init s3c2416_irq_add(struct device *dev,
++ struct subsys_interface *sif)
+ {
+ printk(KERN_INFO "S3C2416: IRQ Support\n");
+
+ s3c2416_add_sub(IRQ_LCD, s3c2416_irq_demux_lcd, &s3c2416_irq_lcd,
+ IRQ_S3C2443_LCD2, IRQ_S3C2443_LCD4);
+
+ s3c2416_add_sub(IRQ_S3C2443_DMA, s3c2416_irq_demux_dma,
+ &s3c2416_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5);
+
+ s3c2416_add_sub(IRQ_S3C2443_UART3, s3c2416_irq_demux_uart3,
+ &s3c2416_irq_uart3,
+ IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3);
+
+ s3c2416_add_sub(IRQ_WDT, s3c2416_irq_demux_wdtac97,
+ &s3c2416_irq_wdtac97,
+ IRQ_S3C2443_WDT, IRQ_S3C2443_AC97);
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2416_irq_interface = {
+ .name = "s3c2416_irq",
+ .subsys = &s3c2416_subsys,
+ .add_dev = s3c2416_irq_add,
+ };
+
+ static int __init s3c2416_irq_init(void)
+ {
+ return subsys_interface_register(&s3c2416_irq_interface);
+ }
+
+ arch_initcall(s3c2416_irq_init);
+
--- /dev/null
-static int s3c2440_irq_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2440/irq.c
+ *
+ * Copyright (c) 2003-2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/device.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+
+ #include <asm/mach/irq.h>
+
+ #include <mach/regs-irq.h>
+ #include <mach/regs-gpio.h>
+
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+ #include <plat/irq.h>
+
+ /* WDT/AC97 */
+
+ static void s3c_irq_demux_wdtac97(unsigned int irq,
+ struct irq_desc *desc)
+ {
+ unsigned int subsrc, submsk;
+
+ /* read the current pending interrupts, and the mask
+ * for what it is available */
+
+ subsrc = __raw_readl(S3C2410_SUBSRCPND);
+ submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+ subsrc &= ~submsk;
+ subsrc >>= 13;
+ subsrc &= 3;
+
+ if (subsrc != 0) {
+ if (subsrc & 1) {
+ generic_handle_irq(IRQ_S3C2440_WDT);
+ }
+ if (subsrc & 2) {
+ generic_handle_irq(IRQ_S3C2440_AC97);
+ }
+ }
+ }
+
+
+ #define INTMSK_WDT (1UL << (IRQ_WDT - IRQ_EINT0))
+
+ static void
+ s3c_irq_wdtac97_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_WDT, 3 << 13);
+ }
+
+ static void
+ s3c_irq_wdtac97_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_WDT);
+ }
+
+ static void
+ s3c_irq_wdtac97_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_WDT, 3 << 13);
+ }
+
+ static struct irq_chip s3c_irq_wdtac97 = {
+ .irq_mask = s3c_irq_wdtac97_mask,
+ .irq_unmask = s3c_irq_wdtac97_unmask,
+ .irq_ack = s3c_irq_wdtac97_ack,
+ };
+
++static int s3c2440_irq_add(struct device *dev, struct subsys_interface *sif)
+ {
+ unsigned int irqno;
+
+ printk("S3C2440: IRQ Support\n");
+
+ /* add new chained handler for wdt, ac7 */
+
+ irq_set_chip_and_handler(IRQ_WDT, &s3c_irq_level_chip,
+ handle_level_irq);
+ irq_set_chained_handler(IRQ_WDT, s3c_irq_demux_wdtac97);
+
+ for (irqno = IRQ_S3C2440_WDT; irqno <= IRQ_S3C2440_AC97; irqno++) {
+ irq_set_chip_and_handler(irqno, &s3c_irq_wdtac97,
+ handle_level_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2440_irq_interface = {
+ .name = "s3c2440_irq",
+ .subsys = &s3c2440_subsys,
+ .add_dev = s3c2440_irq_add,
+ };
+
+ static int s3c2440_irq_init(void)
+ {
+ return subsys_interface_register(&s3c2440_irq_interface);
+ }
+
+ arch_initcall(s3c2440_irq_init);
+
--- /dev/null
-static int __init s3c2443_irq_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2443/irq.c
+ *
+ * Copyright (c) 2007 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/device.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+
+ #include <asm/mach/irq.h>
+
+ #include <mach/regs-irq.h>
+ #include <mach/regs-gpio.h>
+
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+ #include <plat/irq.h>
+
+ #define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
+
+ static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len)
+ {
+ unsigned int subsrc, submsk;
+ unsigned int end;
+
+ /* read the current pending interrupts, and the mask
+ * for what it is available */
+
+ subsrc = __raw_readl(S3C2410_SUBSRCPND);
+ submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+ subsrc &= ~submsk;
+ subsrc >>= (irq - S3C2410_IRQSUB(0));
+ subsrc &= (1 << len)-1;
+
+ end = len + irq;
+
+ for (; irq < end && subsrc; irq++) {
+ if (subsrc & 1)
+ generic_handle_irq(irq);
+
+ subsrc >>= 1;
+ }
+ }
+
+ /* WDT/AC97 sub interrupts */
+
+ static void s3c2443_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2443_irq_demux(IRQ_S3C2443_WDT, 4);
+ }
+
+ #define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0))
+ #define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97)
+
+ static void s3c2443_irq_wdtac97_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+ }
+
+ static void s3c2443_irq_wdtac97_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_WDTAC97);
+ }
+
+ static void s3c2443_irq_wdtac97_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_WDTAC97, SUBMSK_WDTAC97);
+ }
+
+ static struct irq_chip s3c2443_irq_wdtac97 = {
+ .irq_mask = s3c2443_irq_wdtac97_mask,
+ .irq_unmask = s3c2443_irq_wdtac97_unmask,
+ .irq_ack = s3c2443_irq_wdtac97_ack,
+ };
+
+ /* LCD sub interrupts */
+
+ static void s3c2443_irq_demux_lcd(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2443_irq_demux(IRQ_S3C2443_LCD1, 4);
+ }
+
+ #define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0))
+ #define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4)
+
+ static void s3c2443_irq_lcd_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_LCD, SUBMSK_LCD);
+ }
+
+ static void s3c2443_irq_lcd_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_LCD);
+ }
+
+ static void s3c2443_irq_lcd_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_LCD, SUBMSK_LCD);
+ }
+
+ static struct irq_chip s3c2443_irq_lcd = {
+ .irq_mask = s3c2443_irq_lcd_mask,
+ .irq_unmask = s3c2443_irq_lcd_unmask,
+ .irq_ack = s3c2443_irq_lcd_ack,
+ };
+
+ /* DMA sub interrupts */
+
+ static void s3c2443_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2443_irq_demux(IRQ_S3C2443_DMA0, 6);
+ }
+
+ #define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
+ #define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5)
+
+ static void s3c2443_irq_dma_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_DMA, SUBMSK_DMA);
+ }
+
+ static void s3c2443_irq_dma_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_DMA);
+ }
+
+ static void s3c2443_irq_dma_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_DMA, SUBMSK_DMA);
+ }
+
+ static struct irq_chip s3c2443_irq_dma = {
+ .irq_mask = s3c2443_irq_dma_mask,
+ .irq_unmask = s3c2443_irq_dma_unmask,
+ .irq_ack = s3c2443_irq_dma_ack,
+ };
+
+ /* UART3 sub interrupts */
+
+ static void s3c2443_irq_demux_uart3(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2443_irq_demux(IRQ_S3C2443_RX3, 3);
+ }
+
+ #define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0))
+ #define SUBMSK_UART3 (0x7 << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0)))
+
+ static void s3c2443_irq_uart3_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_UART3, SUBMSK_UART3);
+ }
+
+ static void s3c2443_irq_uart3_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_UART3);
+ }
+
+ static void s3c2443_irq_uart3_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_UART3, SUBMSK_UART3);
+ }
+
+ static struct irq_chip s3c2443_irq_uart3 = {
+ .irq_mask = s3c2443_irq_uart3_mask,
+ .irq_unmask = s3c2443_irq_uart3_unmask,
+ .irq_ack = s3c2443_irq_uart3_ack,
+ };
+
+ /* CAM sub interrupts */
+
+ static void s3c2443_irq_demux_cam(unsigned int irq, struct irq_desc *desc)
+ {
+ s3c2443_irq_demux(IRQ_S3C2440_CAM_C, 4);
+ }
+
+ #define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
+ #define SUBMSK_CAM INTMSK(IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P)
+
+ static void s3c2443_irq_cam_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_CAM, SUBMSK_CAM);
+ }
+
+ static void s3c2443_irq_cam_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_CAM);
+ }
+
+ static void s3c2443_irq_cam_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_CAM, SUBMSK_CAM);
+ }
+
+ static struct irq_chip s3c2443_irq_cam = {
+ .irq_mask = s3c2443_irq_cam_mask,
+ .irq_unmask = s3c2443_irq_cam_unmask,
+ .irq_ack = s3c2443_irq_cam_ack,
+ };
+
+ /* IRQ initialisation code */
+
+ static int __init s3c2443_add_sub(unsigned int base,
+ void (*demux)(unsigned int,
+ struct irq_desc *),
+ struct irq_chip *chip,
+ unsigned int start, unsigned int end)
+ {
+ unsigned int irqno;
+
+ irq_set_chip_and_handler(base, &s3c_irq_level_chip, handle_level_irq);
+ irq_set_chained_handler(base, demux);
+
+ for (irqno = start; irqno <= end; irqno++) {
+ irq_set_chip_and_handler(irqno, chip, handle_level_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ return 0;
+ }
+
++static int __init s3c2443_irq_add(struct device *dev,
++ struct subsys_interface *sif)
+ {
+ printk("S3C2443: IRQ Support\n");
+
+ s3c2443_add_sub(IRQ_CAM, s3c2443_irq_demux_cam, &s3c2443_irq_cam,
+ IRQ_S3C2440_CAM_C, IRQ_S3C2440_CAM_P);
+
+ s3c2443_add_sub(IRQ_LCD, s3c2443_irq_demux_lcd, &s3c2443_irq_lcd,
+ IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4);
+
+ s3c2443_add_sub(IRQ_S3C2443_DMA, s3c2443_irq_demux_dma,
+ &s3c2443_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5);
+
+ s3c2443_add_sub(IRQ_S3C2443_UART3, s3c2443_irq_demux_uart3,
+ &s3c2443_irq_uart3,
+ IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3);
+
+ s3c2443_add_sub(IRQ_WDT, s3c2443_irq_demux_wdtac97,
+ &s3c2443_irq_wdtac97,
+ IRQ_S3C2443_WDT, IRQ_S3C2443_AC97);
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2443_irq_interface = {
+ .name = "s3c2443_irq",
+ .subsys = &s3c2443_subsys,
+ .add_dev = s3c2443_irq_add,
+ };
+
+ static int __init s3c2443_irq_init(void)
+ {
+ return subsys_interface_register(&s3c2443_irq_interface);
+ }
+
+ arch_initcall(s3c2443_irq_init);
+
--- /dev/null
-static int s3c244x_irq_add(struct device *dev)
+ /* linux/arch/arm/plat-s3c24xx/s3c244x-irq.c
+ *
+ * Copyright (c) 2003-2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/device.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+
+ #include <asm/mach/irq.h>
+
+ #include <mach/regs-irq.h>
+ #include <mach/regs-gpio.h>
+
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+ #include <plat/irq.h>
+
+ /* camera irq */
+
+ static void s3c_irq_demux_cam(unsigned int irq,
+ struct irq_desc *desc)
+ {
+ unsigned int subsrc, submsk;
+
+ /* read the current pending interrupts, and the mask
+ * for what it is available */
+
+ subsrc = __raw_readl(S3C2410_SUBSRCPND);
+ submsk = __raw_readl(S3C2410_INTSUBMSK);
+
+ subsrc &= ~submsk;
+ subsrc >>= 11;
+ subsrc &= 3;
+
+ if (subsrc != 0) {
+ if (subsrc & 1) {
+ generic_handle_irq(IRQ_S3C2440_CAM_C);
+ }
+ if (subsrc & 2) {
+ generic_handle_irq(IRQ_S3C2440_CAM_P);
+ }
+ }
+ }
+
+ #define INTMSK_CAM (1UL << (IRQ_CAM - IRQ_EINT0))
+
+ static void
+ s3c_irq_cam_mask(struct irq_data *data)
+ {
+ s3c_irqsub_mask(data->irq, INTMSK_CAM, 3 << 11);
+ }
+
+ static void
+ s3c_irq_cam_unmask(struct irq_data *data)
+ {
+ s3c_irqsub_unmask(data->irq, INTMSK_CAM);
+ }
+
+ static void
+ s3c_irq_cam_ack(struct irq_data *data)
+ {
+ s3c_irqsub_maskack(data->irq, INTMSK_CAM, 3 << 11);
+ }
+
+ static struct irq_chip s3c_irq_cam = {
+ .irq_mask = s3c_irq_cam_mask,
+ .irq_unmask = s3c_irq_cam_unmask,
+ .irq_ack = s3c_irq_cam_ack,
+ };
+
++static int s3c244x_irq_add(struct device *dev, struct subsys_interface *sif)
+ {
+ unsigned int irqno;
+
+ irq_set_chip_and_handler(IRQ_NFCON, &s3c_irq_level_chip,
+ handle_level_irq);
+ set_irq_flags(IRQ_NFCON, IRQF_VALID);
+
+ /* add chained handler for camera */
+
+ irq_set_chip_and_handler(IRQ_CAM, &s3c_irq_level_chip,
+ handle_level_irq);
+ irq_set_chained_handler(IRQ_CAM, s3c_irq_demux_cam);
+
+ for (irqno = IRQ_S3C2440_CAM_C; irqno <= IRQ_S3C2440_CAM_P; irqno++) {
+ irq_set_chip_and_handler(irqno, &s3c_irq_cam,
+ handle_level_irq);
+ set_irq_flags(irqno, IRQF_VALID);
+ }
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2440_irq_interface = {
+ .name = "s3c2440_irq",
+ .subsys = &s3c2440_subsys,
+ .add_dev = s3c244x_irq_add,
+ };
+
+ static int s3c2440_irq_init(void)
+ {
+ return subsys_interface_register(&s3c2440_irq_interface);
+ }
+
+ arch_initcall(s3c2440_irq_init);
+
+ static struct subsys_interface s3c2442_irq_interface = {
+ .name = "s3c2442_irq",
+ .subsys = &s3c2442_subsys,
+ .add_dev = s3c244x_irq_add,
+ };
+
+
+ static int s3c2442_irq_init(void)
+ {
+ return subsys_interface_register(&s3c2442_irq_interface);
+ }
+
+ arch_initcall(s3c2442_irq_init);
--- /dev/null
-struct pcf50633_platform_data gta02_pcf_pdata = {
+ /*
+ * linux/arch/arm/mach-s3c2442/mach-gta02.c
+ *
+ * S3C2442 Machine Support for Openmoko GTA02 / FreeRunner.
+ *
+ * Copyright (C) 2006-2009 by Openmoko, Inc.
+ * Authors: Harald Welte <laforge@openmoko.org>
+ * Andy Green <andy@openmoko.org>
+ * Werner Almesberger <werner@openmoko.org>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/types.h>
+ #include <linux/interrupt.h>
+ #include <linux/list.h>
+ #include <linux/delay.h>
+ #include <linux/timer.h>
+ #include <linux/init.h>
+ #include <linux/gpio.h>
+ #include <linux/workqueue.h>
+ #include <linux/platform_device.h>
+ #include <linux/serial_core.h>
+ #include <linux/spi/spi.h>
+ #include <linux/spi/s3c24xx.h>
+
+ #include <linux/mmc/host.h>
+
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/nand.h>
+ #include <linux/mtd/nand_ecc.h>
+ #include <linux/mtd/partitions.h>
+ #include <linux/mtd/physmap.h>
+ #include <linux/io.h>
+
+ #include <linux/i2c.h>
+ #include <linux/regulator/machine.h>
+
+ #include <linux/mfd/pcf50633/core.h>
+ #include <linux/mfd/pcf50633/mbc.h>
+ #include <linux/mfd/pcf50633/adc.h>
+ #include <linux/mfd/pcf50633/gpio.h>
+ #include <linux/mfd/pcf50633/pmic.h>
+ #include <linux/mfd/pcf50633/backlight.h>
+
+ #include <linux/input.h>
+ #include <linux/gpio_keys.h>
+
+ #include <asm/mach/arch.h>
+ #include <asm/mach/map.h>
+ #include <asm/mach/irq.h>
+
+ #include <asm/irq.h>
+ #include <asm/mach-types.h>
+
+ #include <mach/regs-irq.h>
+ #include <mach/regs-gpio.h>
+ #include <mach/regs-gpioj.h>
+ #include <mach/fb.h>
+
+ #include <plat/usb-control.h>
+ #include <mach/regs-mem.h>
+ #include <mach/hardware.h>
+
+ #include <mach/gta02.h>
+
+ #include <plat/regs-serial.h>
+ #include <plat/nand.h>
+ #include <plat/devs.h>
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+ #include <plat/udc.h>
+ #include <plat/gpio-cfg.h>
+ #include <plat/iic.h>
+ #include <plat/ts.h>
+
+ #include "common.h"
+
+ static struct pcf50633 *gta02_pcf;
+
+ /*
+ * This gets called frequently when we paniced.
+ */
+
+ static long gta02_panic_blink(int state)
+ {
+ long delay = 0;
+ char led;
+
+ led = (state) ? 1 : 0;
+ gpio_direction_output(GTA02_GPIO_AUX_LED, led);
+
+ return delay;
+ }
+
+
+ static struct map_desc gta02_iodesc[] __initdata = {
+ {
+ .virtual = 0xe0000000,
+ .pfn = __phys_to_pfn(S3C2410_CS3 + 0x01000000),
+ .length = SZ_1M,
+ .type = MT_DEVICE
+ },
+ };
+
+ #define UCON (S3C2410_UCON_DEFAULT | S3C2443_UCON_RXERR_IRQEN)
+ #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
+ #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+
+ static struct s3c2410_uartcfg gta02_uartcfgs[] = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ };
+
+ #ifdef CONFIG_CHARGER_PCF50633
+ /*
+ * On GTA02 the 1A charger features a 48K resistor to 0V on the ID pin.
+ * We use this to recognize that we can pull 1A from the USB socket.
+ *
+ * These constants are the measured pcf50633 ADC levels with the 1A
+ * charger / 48K resistor, and with no pulldown resistor.
+ */
+
+ #define ADC_NOM_CHG_DETECT_1A 6
+ #define ADC_NOM_CHG_DETECT_USB 43
+
+ static void
+ gta02_configure_pmu_for_charger(struct pcf50633 *pcf, void *unused, int res)
+ {
+ int ma;
+
+ /* Interpret charger type */
+ if (res < ((ADC_NOM_CHG_DETECT_USB + ADC_NOM_CHG_DETECT_1A) / 2)) {
+
+ /*
+ * Sanity - stop GPO driving out now that we have a 1A charger
+ * GPO controls USB Host power generation on GTA02
+ */
+ pcf50633_gpio_set(pcf, PCF50633_GPO, 0);
+
+ ma = 1000;
+ } else
+ ma = 100;
+
+ pcf50633_mbc_usb_curlim_set(pcf, ma);
+ }
+
+ static struct delayed_work gta02_charger_work;
+ static int gta02_usb_vbus_draw;
+
+ static void gta02_charger_worker(struct work_struct *work)
+ {
+ if (gta02_usb_vbus_draw) {
+ pcf50633_mbc_usb_curlim_set(gta02_pcf, gta02_usb_vbus_draw);
+ return;
+ }
+
+ #ifdef CONFIG_PCF50633_ADC
+ pcf50633_adc_async_read(gta02_pcf,
+ PCF50633_ADCC1_MUX_ADCIN1,
+ PCF50633_ADCC1_AVERAGE_16,
+ gta02_configure_pmu_for_charger,
+ NULL);
+ #else
+ /*
+ * If the PCF50633 ADC is disabled we fallback to a
+ * 100mA limit for safety.
+ */
+ pcf50633_mbc_usb_curlim_set(pcf, 100);
+ #endif
+ }
+
+ #define GTA02_CHARGER_CONFIGURE_TIMEOUT ((3000 * HZ) / 1000)
+
+ static void gta02_pmu_event_callback(struct pcf50633 *pcf, int irq)
+ {
+ if (irq == PCF50633_IRQ_USBINS) {
+ schedule_delayed_work(>a02_charger_work,
+ GTA02_CHARGER_CONFIGURE_TIMEOUT);
+
+ return;
+ }
+
+ if (irq == PCF50633_IRQ_USBREM) {
+ cancel_delayed_work_sync(>a02_charger_work);
+ gta02_usb_vbus_draw = 0;
+ }
+ }
+
+ static void gta02_udc_vbus_draw(unsigned int ma)
+ {
+ if (!gta02_pcf)
+ return;
+
+ gta02_usb_vbus_draw = ma;
+
+ schedule_delayed_work(>a02_charger_work,
+ GTA02_CHARGER_CONFIGURE_TIMEOUT);
+ }
+ #else /* !CONFIG_CHARGER_PCF50633 */
+ #define gta02_pmu_event_callback NULL
+ #define gta02_udc_vbus_draw NULL
+ #endif
+
+ /*
+ * This is called when pc50633 is probed, unfortunately quite late in the
+ * day since it is an I2C bus device. Here we can belatedly define some
+ * platform devices with the advantage that we can mark the pcf50633 as the
+ * parent. This makes them get suspended and resumed with their parent
+ * the pcf50633 still around.
+ */
+
+ static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf);
+
+
+ static char *gta02_batteries[] = {
+ "battery",
+ };
+
+ static struct pcf50633_bl_platform_data gta02_backlight_data = {
+ .default_brightness = 0x3f,
+ .default_brightness_limit = 0,
+ .ramp_time = 5,
+ };
+
-struct platform_device s3c24xx_pwm_device = {
++static struct pcf50633_platform_data gta02_pcf_pdata = {
+ .resumers = {
+ [0] = PCF50633_INT1_USBINS |
+ PCF50633_INT1_USBREM |
+ PCF50633_INT1_ALARM,
+ [1] = PCF50633_INT2_ONKEYF,
+ [2] = PCF50633_INT3_ONKEY1S,
+ [3] = PCF50633_INT4_LOWSYS |
+ PCF50633_INT4_LOWBAT |
+ PCF50633_INT4_HIGHTMP,
+ },
+
+ .batteries = gta02_batteries,
+ .num_batteries = ARRAY_SIZE(gta02_batteries),
+
+ .charger_reference_current_ma = 1000,
+
+ .backlight_data = >a02_backlight_data,
+
+ .reg_init_data = {
+ [PCF50633_REGULATOR_AUTO] = {
+ .constraints = {
+ .min_uV = 3300000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .always_on = 1,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_DOWN1] = {
+ .constraints = {
+ .min_uV = 1300000,
+ .max_uV = 1600000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .always_on = 1,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_DOWN2] = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ .always_on = 1,
+ },
+ },
+ [PCF50633_REGULATOR_HCLDO] = {
+ .constraints = {
+ .min_uV = 2000000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ },
+ },
+ [PCF50633_REGULATOR_LDO1] = {
+ .constraints = {
+ .min_uV = 3300000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO2] = {
+ .constraints = {
+ .min_uV = 3300000,
+ .max_uV = 3300000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO3] = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO4] = {
+ .constraints = {
+ .min_uV = 3200000,
+ .max_uV = 3200000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO5] = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ .apply_uV = 1,
+ },
+ },
+ [PCF50633_REGULATOR_LDO6] = {
+ .constraints = {
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ },
+ },
+ [PCF50633_REGULATOR_MEMLDO] = {
+ .constraints = {
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ },
+ },
+
+ },
+ .probe_done = gta02_pmu_attach_child_devices,
+ .mbc_event_callback = gta02_pmu_event_callback,
+ };
+
+
+ /* NOR Flash. */
+
+ #define GTA02_FLASH_BASE 0x18000000 /* GCS3 */
+ #define GTA02_FLASH_SIZE 0x200000 /* 2MBytes */
+
+ static struct physmap_flash_data gta02_nor_flash_data = {
+ .width = 2,
+ };
+
+ static struct resource gta02_nor_flash_resource = {
+ .start = GTA02_FLASH_BASE,
+ .end = GTA02_FLASH_BASE + GTA02_FLASH_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ };
+
+ static struct platform_device gta02_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = {
+ .platform_data = >a02_nor_flash_data,
+ },
+ .resource = >a02_nor_flash_resource,
+ .num_resources = 1,
+ };
+
+
++static struct platform_device s3c24xx_pwm_device = {
+ .name = "s3c24xx_pwm",
+ .num_resources = 0,
+ };
+
+ static struct platform_device gta02_dfbmcs320_device = {
+ .name = "dfbmcs320",
+ };
+
+ static struct i2c_board_info gta02_i2c_devs[] __initdata = {
+ {
+ I2C_BOARD_INFO("pcf50633", 0x73),
+ .irq = GTA02_IRQ_PCF50633,
+ .platform_data = >a02_pcf_pdata,
+ },
+ {
+ I2C_BOARD_INFO("wm8753", 0x1a),
+ },
+ };
+
+ static struct s3c2410_nand_set __initdata gta02_nand_sets[] = {
+ [0] = {
+ /*
+ * This name is also hard-coded in the boot loaders, so
+ * changing it would would require all users to upgrade
+ * their boot loaders, some of which are stored in a NOR
+ * that is considered to be immutable.
+ */
+ .name = "neo1973-nand",
+ .nr_chips = 1,
+ .flash_bbt = 1,
+ },
+ };
+
+ /*
+ * Choose a set of timings derived from S3C@2442B MCP54
+ * data sheet (K5D2G13ACM-D075 MCP Memory).
+ */
+
+ static struct s3c2410_platform_nand __initdata gta02_nand_info = {
+ .tacls = 0,
+ .twrph0 = 25,
+ .twrph1 = 15,
+ .nr_sets = ARRAY_SIZE(gta02_nand_sets),
+ .sets = gta02_nand_sets,
+ };
+
+
+ /* Get PMU to set USB current limit accordingly. */
+ static struct s3c2410_udc_mach_info gta02_udc_cfg __initdata = {
+ .vbus_draw = gta02_udc_vbus_draw,
+ .pullup_pin = GTA02_GPIO_USB_PULLUP,
+ };
+
+ /* USB */
+ static struct s3c2410_hcd_info gta02_usb_info __initdata = {
+ .port[0] = {
+ .flags = S3C_HCDFLG_USED,
+ },
+ .port[1] = {
+ .flags = 0,
+ },
+ };
+
+ /* Touchscreen */
+ static struct s3c2410_ts_mach_info gta02_ts_info = {
+ .delay = 10000,
+ .presc = 0xff, /* slow as we can go */
+ .oversampling_shift = 2,
+ };
+
+ /* Buttons */
+ static struct gpio_keys_button gta02_buttons[] = {
+ {
+ .gpio = GTA02_GPIO_AUX_KEY,
+ .code = KEY_PHONE,
+ .desc = "Aux",
+ .type = EV_KEY,
+ .debounce_interval = 100,
+ },
+ {
+ .gpio = GTA02_GPIO_HOLD_KEY,
+ .code = KEY_PAUSE,
+ .desc = "Hold",
+ .type = EV_KEY,
+ .debounce_interval = 100,
+ },
+ };
+
+ static struct gpio_keys_platform_data gta02_buttons_pdata = {
+ .buttons = gta02_buttons,
+ .nbuttons = ARRAY_SIZE(gta02_buttons),
+ };
+
+ static struct platform_device gta02_buttons_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = >a02_buttons_pdata,
+ },
+ };
+
+ static void __init gta02_map_io(void)
+ {
+ s3c24xx_init_io(gta02_iodesc, ARRAY_SIZE(gta02_iodesc));
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(gta02_uartcfgs, ARRAY_SIZE(gta02_uartcfgs));
+ }
+
+
+ /* These are the guys that don't need to be children of PMU. */
+
+ static struct platform_device *gta02_devices[] __initdata = {
+ &s3c_device_ohci,
+ &s3c_device_wdt,
+ &s3c_device_sdi,
+ &s3c_device_usbgadget,
+ &s3c_device_nand,
+ >a02_nor_flash,
+ &s3c24xx_pwm_device,
+ &s3c_device_iis,
+ &samsung_asoc_dma,
+ &s3c_device_i2c0,
+ >a02_dfbmcs320_device,
+ >a02_buttons_device,
+ &s3c_device_adc,
+ &s3c_device_ts,
+ };
+
+ /* These guys DO need to be children of PMU. */
+
+ static struct platform_device *gta02_devices_pmu_children[] = {
+ };
+
+
+ /*
+ * This is called when pc50633 is probed, quite late in the day since it is an
+ * I2C bus device. Here we can define platform devices with the advantage that
+ * we can mark the pcf50633 as the parent. This makes them get suspended and
+ * resumed with their parent the pcf50633 still around. All devices whose
+ * operation depends on something from pcf50633 must have this relationship
+ * made explicit like this, or suspend and resume will become an unreliable
+ * hellworld.
+ */
+
+ static void gta02_pmu_attach_child_devices(struct pcf50633 *pcf)
+ {
+ int n;
+
+ /* Grab a copy of the now probed PMU pointer. */
+ gta02_pcf = pcf;
+
+ for (n = 0; n < ARRAY_SIZE(gta02_devices_pmu_children); n++)
+ gta02_devices_pmu_children[n]->dev.parent = pcf->dev;
+
+ platform_add_devices(gta02_devices_pmu_children,
+ ARRAY_SIZE(gta02_devices_pmu_children));
+ }
+
+ static void gta02_poweroff(void)
+ {
+ pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1);
+ }
+
+ static void __init gta02_machine_init(void)
+ {
+ /* Set the panic callback to turn AUX LED on or off. */
+ panic_blink = gta02_panic_blink;
+
+ s3c_pm_init();
+
+ #ifdef CONFIG_CHARGER_PCF50633
+ INIT_DELAYED_WORK(>a02_charger_work, gta02_charger_worker);
+ #endif
+
+ s3c24xx_udc_set_platdata(>a02_udc_cfg);
+ s3c24xx_ts_set_platdata(>a02_ts_info);
+ s3c_ohci_set_platdata(>a02_usb_info);
+ s3c_nand_set_platdata(>a02_nand_info);
+ s3c_i2c0_set_platdata(NULL);
+
+ i2c_register_board_info(0, gta02_i2c_devs, ARRAY_SIZE(gta02_i2c_devs));
+
+ platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices));
+ pm_power_off = gta02_poweroff;
+
+ regulator_has_full_constraints();
+ }
+
+
+ MACHINE_START(NEO1973_GTA02, "GTA02")
+ /* Maintainer: Nelson Castillo <arhuaco@freaks-unidos.net> */
+ .atag_offset = 0x100,
+ .map_io = gta02_map_io,
+ .init_irq = s3c24xx_init_irq,
+ .init_machine = gta02_machine_init,
+ .timer = &s3c24xx_timer,
+ .restart = s3c2440_restart,
+ MACHINE_END
--- /dev/null
-struct gpio_chip h1940_latch_gpiochip = {
+ /* linux/arch/arm/mach-s3c2410/mach-h1940.c
+ *
+ * Copyright (c) 2003-2005 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * http://www.handhelds.org/projects/h1940.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/types.h>
+ #include <linux/interrupt.h>
+ #include <linux/list.h>
+ #include <linux/memblock.h>
+ #include <linux/timer.h>
+ #include <linux/init.h>
+ #include <linux/device.h>
+ #include <linux/serial_core.h>
+ #include <linux/platform_device.h>
+ #include <linux/io.h>
+ #include <linux/gpio.h>
+ #include <linux/input.h>
+ #include <linux/gpio_keys.h>
+ #include <linux/pwm_backlight.h>
+ #include <linux/i2c.h>
+ #include <linux/leds.h>
+ #include <linux/pda_power.h>
+ #include <linux/s3c_adc_battery.h>
+ #include <linux/delay.h>
+
+ #include <video/platform_lcd.h>
+
+ #include <linux/mmc/host.h>
+ #include <linux/export.h>
+
+ #include <asm/mach/arch.h>
+ #include <asm/mach/map.h>
+ #include <asm/mach/irq.h>
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+ #include <asm/mach-types.h>
+
+ #include <plat/regs-serial.h>
+ #include <mach/regs-lcd.h>
+ #include <mach/regs-clock.h>
+
+ #include <mach/regs-gpio.h>
+ #include <mach/gpio-fns.h>
+ #include <mach/gpio-nrs.h>
+
+ #include <mach/h1940.h>
+ #include <mach/h1940-latch.h>
+ #include <mach/fb.h>
+ #include <plat/udc.h>
+ #include <plat/iic.h>
+
+ #include <plat/gpio-cfg.h>
+ #include <plat/clock.h>
+ #include <plat/devs.h>
+ #include <plat/cpu.h>
+ #include <plat/pll.h>
+ #include <plat/pm.h>
+ #include <plat/mci.h>
+ #include <plat/ts.h>
+
+ #include <sound/uda1380.h>
+
+ #include "common.h"
+
+ #define H1940_LATCH ((void __force __iomem *)0xF8000000)
+
+ #define H1940_PA_LATCH S3C2410_CS2
+
+ #define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
+
+ static struct map_desc h1940_iodesc[] __initdata = {
+ [0] = {
+ .virtual = (unsigned long)H1940_LATCH,
+ .pfn = __phys_to_pfn(H1940_PA_LATCH),
+ .length = SZ_16K,
+ .type = MT_DEVICE
+ },
+ };
+
+ #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
+ #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+ #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+ static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x03,
+ .ufcon = 0x51,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = 0x245,
+ .ulcon = 0x03,
+ .ufcon = 0x00,
+ },
+ /* IR port */
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .uart_flags = UPF_CONS_FLOW,
+ .ucon = 0x3c5,
+ .ulcon = 0x43,
+ .ufcon = 0x51,
+ }
+ };
+
+ /* Board control latch control */
+
+ static unsigned int latch_state;
+
+ static void h1940_latch_control(unsigned int clear, unsigned int set)
+ {
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ latch_state &= ~clear;
+ latch_state |= set;
+
+ __raw_writel(latch_state, H1940_LATCH);
+
+ local_irq_restore(flags);
+ }
+
+ static inline int h1940_gpiolib_to_latch(int offset)
+ {
+ return 1 << (offset + 16);
+ }
+
+ static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
+ unsigned offset, int value)
+ {
+ int latch_bit = h1940_gpiolib_to_latch(offset);
+
+ h1940_latch_control(value ? 0 : latch_bit,
+ value ? latch_bit : 0);
+ }
+
+ static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+ {
+ h1940_gpiolib_latch_set(chip, offset, value);
+ return 0;
+ }
+
+ static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
+ unsigned offset)
+ {
+ return (latch_state >> (offset + 16)) & 1;
+ }
+
-int h1940_bat_init(void)
++static struct gpio_chip h1940_latch_gpiochip = {
+ .base = H1940_LATCH_GPIO(0),
+ .owner = THIS_MODULE,
+ .label = "H1940_LATCH",
+ .ngpio = 16,
+ .direction_output = h1940_gpiolib_latch_output,
+ .set = h1940_gpiolib_latch_set,
+ .get = h1940_gpiolib_latch_get,
+ };
+
+ static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
+ .vbus_pin = S3C2410_GPG(5),
+ .vbus_pin_inverted = 1,
+ .pullup_pin = H1940_LATCH_USB_DP,
+ };
+
+ static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
+ .delay = 10000,
+ .presc = 49,
+ .oversampling_shift = 2,
+ .cfg_gpio = s3c24xx_ts_cfg_gpio,
+ };
+
+ /**
+ * Set lcd on or off
+ **/
+ static struct s3c2410fb_display h1940_lcd __initdata = {
+ .lcdcon5= S3C2410_LCDCON5_FRM565 | \
+ S3C2410_LCDCON5_INVVLINE | \
+ S3C2410_LCDCON5_HWSWP,
+
+ .type = S3C2410_LCDCON1_TFT,
+ .width = 240,
+ .height = 320,
+ .pixclock = 260000,
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+ .left_margin = 8,
+ .right_margin = 20,
+ .hsync_len = 4,
+ .upper_margin = 8,
+ .lower_margin = 7,
+ .vsync_len = 1,
+ };
+
+ static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
+ .displays = &h1940_lcd,
+ .num_displays = 1,
+ .default_display = 0,
+
+ .lpcsel = 0x02,
+ .gpccon = 0xaa940659,
+ .gpccon_mask = 0xffffc0f0,
+ .gpcup = 0x0000ffff,
+ .gpcup_mask = 0xffffffff,
+ .gpdcon = 0xaa84aaa0,
+ .gpdcon_mask = 0xffffffff,
+ .gpdup = 0x0000faff,
+ .gpdup_mask = 0xffffffff,
+ };
+
+ static int power_supply_init(struct device *dev)
+ {
+ return gpio_request(S3C2410_GPF(2), "cable plugged");
+ }
+
+ static int h1940_is_ac_online(void)
+ {
+ return !gpio_get_value(S3C2410_GPF(2));
+ }
+
+ static void power_supply_exit(struct device *dev)
+ {
+ gpio_free(S3C2410_GPF(2));
+ }
+
+ static char *h1940_supplicants[] = {
+ "main-battery",
+ "backup-battery",
+ };
+
+ static struct pda_power_pdata power_supply_info = {
+ .init = power_supply_init,
+ .is_ac_online = h1940_is_ac_online,
+ .exit = power_supply_exit,
+ .supplied_to = h1940_supplicants,
+ .num_supplicants = ARRAY_SIZE(h1940_supplicants),
+ };
+
+ static struct resource power_supply_resources[] = {
+ [0] = {
+ .name = "ac",
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
+ IORESOURCE_IRQ_HIGHEDGE,
+ .start = IRQ_EINT2,
+ .end = IRQ_EINT2,
+ },
+ };
+
+ static struct platform_device power_supply = {
+ .name = "pda-power",
+ .id = -1,
+ .dev = {
+ .platform_data =
+ &power_supply_info,
+ },
+ .resource = power_supply_resources,
+ .num_resources = ARRAY_SIZE(power_supply_resources),
+ };
+
+ static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
+ { .volt = 4070, .cur = 162, .level = 100},
+ { .volt = 4040, .cur = 165, .level = 95},
+ { .volt = 4016, .cur = 164, .level = 90},
+ { .volt = 3996, .cur = 166, .level = 85},
+ { .volt = 3971, .cur = 168, .level = 80},
+ { .volt = 3951, .cur = 168, .level = 75},
+ { .volt = 3931, .cur = 170, .level = 70},
+ { .volt = 3903, .cur = 172, .level = 65},
+ { .volt = 3886, .cur = 172, .level = 60},
+ { .volt = 3858, .cur = 176, .level = 55},
+ { .volt = 3842, .cur = 176, .level = 50},
+ { .volt = 3818, .cur = 176, .level = 45},
+ { .volt = 3789, .cur = 180, .level = 40},
+ { .volt = 3769, .cur = 180, .level = 35},
+ { .volt = 3749, .cur = 184, .level = 30},
+ { .volt = 3732, .cur = 184, .level = 25},
+ { .volt = 3716, .cur = 184, .level = 20},
+ { .volt = 3708, .cur = 184, .level = 15},
+ { .volt = 3716, .cur = 96, .level = 10},
+ { .volt = 3700, .cur = 96, .level = 5},
+ { .volt = 3684, .cur = 96, .level = 0},
+ };
+
+ static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
+ { .volt = 4130, .cur = 0, .level = 100},
+ { .volt = 3982, .cur = 0, .level = 50},
+ { .volt = 3854, .cur = 0, .level = 10},
+ { .volt = 3841, .cur = 0, .level = 0},
+ };
+
-void h1940_bat_exit(void)
++static int h1940_bat_init(void)
+ {
+ int ret;
+
+ ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
+ if (ret)
+ return ret;
+ gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
+
+ return 0;
+
+ }
+
-void h1940_enable_charger(void)
++static void h1940_bat_exit(void)
+ {
+ gpio_free(H1940_LATCH_SM803_ENABLE);
+ }
+
-void h1940_disable_charger(void)
++static void h1940_enable_charger(void)
+ {
+ gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
+ }
+
-DEFINE_SPINLOCK(h1940_blink_spin);
++static void h1940_disable_charger(void)
+ {
+ gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
+ }
+
+ static struct s3c_adc_bat_pdata h1940_bat_cfg = {
+ .init = h1940_bat_init,
+ .exit = h1940_bat_exit,
+ .enable_charger = h1940_enable_charger,
+ .disable_charger = h1940_disable_charger,
+ .gpio_charge_finished = S3C2410_GPF(3),
+ .gpio_inverted = 1,
+ .lut_noac = bat_lut_noac,
+ .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
+ .lut_acin = bat_lut_acin,
+ .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
+ .volt_channel = 0,
+ .current_channel = 1,
+ .volt_mult = 4056,
+ .current_mult = 1893,
+ .internal_impedance = 200,
+ .backup_volt_channel = 3,
+ /* TODO Check backup volt multiplier */
+ .backup_volt_mult = 4056,
+ .backup_volt_min = 0,
+ .backup_volt_max = 4149288
+ };
+
+ static struct platform_device h1940_battery = {
+ .name = "s3c-adc-battery",
+ .id = -1,
+ .dev = {
+ .parent = &s3c_device_adc.dev,
+ .platform_data = &h1940_bat_cfg,
+ },
+ };
+
++static DEFINE_SPINLOCK(h1940_blink_spin);
+
+ int h1940_led_blink_set(unsigned gpio, int state,
+ unsigned long *delay_on, unsigned long *delay_off)
+ {
+ int blink_gpio, check_gpio1, check_gpio2;
+
+ switch (gpio) {
+ case H1940_LATCH_LED_GREEN:
+ blink_gpio = S3C2410_GPA(7);
+ check_gpio1 = S3C2410_GPA(1);
+ check_gpio2 = S3C2410_GPA(3);
+ break;
+ case H1940_LATCH_LED_RED:
+ blink_gpio = S3C2410_GPA(1);
+ check_gpio1 = S3C2410_GPA(7);
+ check_gpio2 = S3C2410_GPA(3);
+ break;
+ default:
+ blink_gpio = S3C2410_GPA(3);
+ check_gpio1 = S3C2410_GPA(1);
+ check_gpio1 = S3C2410_GPA(7);
+ break;
+ }
+
+ if (delay_on && delay_off && !*delay_on && !*delay_off)
+ *delay_on = *delay_off = 500;
+
+ spin_lock(&h1940_blink_spin);
+
+ switch (state) {
+ case GPIO_LED_NO_BLINK_LOW:
+ case GPIO_LED_NO_BLINK_HIGH:
+ if (!gpio_get_value(check_gpio1) &&
+ !gpio_get_value(check_gpio2))
+ gpio_set_value(H1940_LATCH_LED_FLASH, 0);
+ gpio_set_value(blink_gpio, 0);
+ if (gpio_is_valid(gpio))
+ gpio_set_value(gpio, state);
+ break;
+ case GPIO_LED_BLINK:
+ if (gpio_is_valid(gpio))
+ gpio_set_value(gpio, 0);
+ gpio_set_value(H1940_LATCH_LED_FLASH, 1);
+ gpio_set_value(blink_gpio, 1);
+ break;
+ }
+
+ spin_unlock(&h1940_blink_spin);
+
+ return 0;
+ }
+ EXPORT_SYMBOL(h1940_led_blink_set);
+
+ static struct gpio_led h1940_leds_desc[] = {
+ {
+ .name = "Green",
+ .default_trigger = "main-battery-full",
+ .gpio = H1940_LATCH_LED_GREEN,
+ .retain_state_suspended = 1,
+ },
+ {
+ .name = "Red",
+ .default_trigger
+ = "main-battery-charging-blink-full-solid",
+ .gpio = H1940_LATCH_LED_RED,
+ .retain_state_suspended = 1,
+ },
+ };
+
+ static struct gpio_led_platform_data h1940_leds_pdata = {
+ .num_leds = ARRAY_SIZE(h1940_leds_desc),
+ .leds = h1940_leds_desc,
+ .gpio_blink_set = h1940_led_blink_set,
+ };
+
+ static struct platform_device h1940_device_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &h1940_leds_pdata,
+ },
+ };
+
+ static struct platform_device h1940_device_bluetooth = {
+ .name = "h1940-bt",
+ .id = -1,
+ };
+
+ static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
+ {
+ switch (power_mode) {
+ case MMC_POWER_OFF:
+ gpio_set_value(H1940_LATCH_SD_POWER, 0);
+ break;
+ case MMC_POWER_UP:
+ case MMC_POWER_ON:
+ gpio_set_value(H1940_LATCH_SD_POWER, 1);
+ break;
+ default:
+ break;
+ };
+ }
+
+ static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
+ .gpio_detect = S3C2410_GPF(5),
+ .gpio_wprotect = S3C2410_GPH(8),
+ .set_power = h1940_set_mmc_power,
+ .ocr_avail = MMC_VDD_32_33,
+ };
+
+ static int h1940_backlight_init(struct device *dev)
+ {
+ gpio_request(S3C2410_GPB(0), "Backlight");
+
+ gpio_direction_output(S3C2410_GPB(0), 0);
+ s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
+ s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
+
+ return 0;
+ }
+
+ static int h1940_backlight_notify(struct device *dev, int brightness)
+ {
+ if (!brightness) {
+ gpio_direction_output(S3C2410_GPB(0), 1);
+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
+ } else {
+ gpio_direction_output(S3C2410_GPB(0), 0);
+ s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
+ s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
+ }
+ return brightness;
+ }
+
+ static void h1940_backlight_exit(struct device *dev)
+ {
+ gpio_direction_output(S3C2410_GPB(0), 1);
+ gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
+ }
+
+
+ static struct platform_pwm_backlight_data backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 100,
+ .dft_brightness = 50,
+ /* tcnt = 0x31 */
+ .pwm_period_ns = 36296,
+ .init = h1940_backlight_init,
+ .notify = h1940_backlight_notify,
+ .exit = h1940_backlight_exit,
+ };
+
+ static struct platform_device h1940_backlight = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &s3c_device_timer[0].dev,
+ .platform_data = &backlight_data,
+ },
+ .id = -1,
+ };
+
+ static void h1940_lcd_power_set(struct plat_lcd_data *pd,
+ unsigned int power)
+ {
+ int value, retries = 100;
+
+ if (!power) {
+ gpio_set_value(S3C2410_GPC(0), 0);
+ /* wait for 3ac */
+ do {
+ value = gpio_get_value(S3C2410_GPC(6));
+ } while (value && retries--);
+
+ gpio_set_value(H1940_LATCH_LCD_P2, 0);
+ gpio_set_value(H1940_LATCH_LCD_P3, 0);
+ gpio_set_value(H1940_LATCH_LCD_P4, 0);
+
+ gpio_direction_output(S3C2410_GPC(1), 0);
+ gpio_direction_output(S3C2410_GPC(4), 0);
+
+ gpio_set_value(H1940_LATCH_LCD_P1, 0);
+ gpio_set_value(H1940_LATCH_LCD_P0, 0);
+
+ gpio_set_value(S3C2410_GPC(5), 0);
+
+ } else {
+ gpio_set_value(H1940_LATCH_LCD_P0, 1);
+ gpio_set_value(H1940_LATCH_LCD_P1, 1);
+
+ gpio_direction_input(S3C2410_GPC(1));
+ gpio_direction_input(S3C2410_GPC(4));
+ mdelay(10);
+ s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
+
+ gpio_set_value(S3C2410_GPC(5), 1);
+ gpio_set_value(S3C2410_GPC(0), 1);
+
+ gpio_set_value(H1940_LATCH_LCD_P3, 1);
+ gpio_set_value(H1940_LATCH_LCD_P2, 1);
+ gpio_set_value(H1940_LATCH_LCD_P4, 1);
+ }
+ }
+
+ static struct plat_lcd_data h1940_lcd_power_data = {
+ .set_power = h1940_lcd_power_set,
+ };
+
+ static struct platform_device h1940_lcd_powerdev = {
+ .name = "platform-lcd",
+ .dev.parent = &s3c_device_lcd.dev,
+ .dev.platform_data = &h1940_lcd_power_data,
+ };
+
+ static struct uda1380_platform_data uda1380_info = {
+ .gpio_power = H1940_LATCH_UDA_POWER,
+ .gpio_reset = S3C2410_GPA(12),
+ .dac_clk = UDA1380_DAC_CLK_SYSCLK,
+ };
+
+ static struct i2c_board_info h1940_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("uda1380", 0x1a),
+ .platform_data = &uda1380_info,
+ },
+ };
+
+ #define DECLARE_BUTTON(p, k, n, w) \
+ { \
+ .gpio = p, \
+ .code = k, \
+ .desc = n, \
+ .wakeup = w, \
+ .active_low = 1, \
+ }
+
+ static struct gpio_keys_button h1940_buttons[] = {
+ DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
+ DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
+ DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
+ DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
+ DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
+ DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
+ DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
+ DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
+ DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
+ DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
+ DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
+ };
+
+ static struct gpio_keys_platform_data h1940_buttons_data = {
+ .buttons = h1940_buttons,
+ .nbuttons = ARRAY_SIZE(h1940_buttons),
+ };
+
+ static struct platform_device h1940_dev_buttons = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &h1940_buttons_data,
+ }
+ };
+
+ static struct platform_device *h1940_devices[] __initdata = {
+ &h1940_dev_buttons,
+ &s3c_device_ohci,
+ &s3c_device_lcd,
+ &s3c_device_wdt,
+ &s3c_device_i2c0,
+ &s3c_device_iis,
+ &samsung_asoc_dma,
+ &s3c_device_usbgadget,
+ &h1940_device_leds,
+ &h1940_device_bluetooth,
+ &s3c_device_sdi,
+ &s3c_device_rtc,
+ &s3c_device_timer[0],
+ &h1940_backlight,
+ &h1940_lcd_powerdev,
+ &s3c_device_adc,
+ &s3c_device_ts,
+ &power_supply,
+ &h1940_battery,
+ };
+
+ static void __init h1940_map_io(void)
+ {
+ s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
+ s3c24xx_init_clocks(0);
+ s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
+
+ /* setup PM */
+
+ #ifdef CONFIG_PM_H1940
+ memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
+ #endif
+ s3c_pm_init();
+
+ /* Add latch gpio chip, set latch initial value */
+ h1940_latch_control(0, 0);
+ WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
+ }
+
+ /* H1940 and RX3715 need to reserve this for suspend */
+ static void __init h1940_reserve(void)
+ {
+ memblock_reserve(0x30003000, 0x1000);
+ memblock_reserve(0x30081000, 0x1000);
+ }
+
+ static void __init h1940_init_irq(void)
+ {
+ s3c24xx_init_irq();
+ }
+
+ static void __init h1940_init(void)
+ {
+ u32 tmp;
+
+ s3c24xx_fb_set_platdata(&h1940_fb_info);
+ s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
+ s3c24xx_udc_set_platdata(&h1940_udc_cfg);
+ s3c24xx_ts_set_platdata(&h1940_ts_cfg);
+ s3c_i2c0_set_platdata(NULL);
+
+ /* Turn off suspend on both USB ports, and switch the
+ * selectable USB port to USB device mode. */
+
+ s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+ S3C2410_MISCCR_USBSUSPND0 |
+ S3C2410_MISCCR_USBSUSPND1, 0x0);
+
+ tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT)
+ | (0x02 << S3C24XX_PLL_PDIV_SHIFT)
+ | (0x03 << S3C24XX_PLL_SDIV_SHIFT);
+ writel(tmp, S3C2410_UPLLCON);
+
+ gpio_request(S3C2410_GPC(0), "LCD power");
+ gpio_request(S3C2410_GPC(1), "LCD power");
+ gpio_request(S3C2410_GPC(4), "LCD power");
+ gpio_request(S3C2410_GPC(5), "LCD power");
+ gpio_request(S3C2410_GPC(6), "LCD power");
+ gpio_request(H1940_LATCH_LCD_P0, "LCD power");
+ gpio_request(H1940_LATCH_LCD_P1, "LCD power");
+ gpio_request(H1940_LATCH_LCD_P2, "LCD power");
+ gpio_request(H1940_LATCH_LCD_P3, "LCD power");
+ gpio_request(H1940_LATCH_LCD_P4, "LCD power");
+ gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
+ gpio_direction_output(S3C2410_GPC(0), 0);
+ gpio_direction_output(S3C2410_GPC(1), 0);
+ gpio_direction_output(S3C2410_GPC(4), 0);
+ gpio_direction_output(S3C2410_GPC(5), 0);
+ gpio_direction_input(S3C2410_GPC(6));
+ gpio_direction_output(H1940_LATCH_LCD_P0, 0);
+ gpio_direction_output(H1940_LATCH_LCD_P1, 0);
+ gpio_direction_output(H1940_LATCH_LCD_P2, 0);
+ gpio_direction_output(H1940_LATCH_LCD_P3, 0);
+ gpio_direction_output(H1940_LATCH_LCD_P4, 0);
+ gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
+
+ gpio_request(H1940_LATCH_SD_POWER, "SD power");
+ gpio_direction_output(H1940_LATCH_SD_POWER, 0);
+
+ platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
+
+ gpio_request(S3C2410_GPA(1), "Red LED blink");
+ gpio_request(S3C2410_GPA(3), "Blue LED blink");
+ gpio_request(S3C2410_GPA(7), "Green LED blink");
+ gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
+ gpio_direction_output(S3C2410_GPA(1), 0);
+ gpio_direction_output(S3C2410_GPA(3), 0);
+ gpio_direction_output(S3C2410_GPA(7), 0);
+ gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
+
+ i2c_register_board_info(0, h1940_i2c_devices,
+ ARRAY_SIZE(h1940_i2c_devices));
+ }
+
+ MACHINE_START(H1940, "IPAQ-H1940")
+ /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
+ .atag_offset = 0x100,
+ .map_io = h1940_map_io,
+ .reserve = h1940_reserve,
+ .init_irq = h1940_init_irq,
+ .init_machine = h1940_init,
+ .timer = &s3c24xx_timer,
+ .restart = s3c2410_restart,
+ MACHINE_END
--- /dev/null
-int rx1950_bat_init(void)
+ /* linux/arch/arm/mach-s3c2440/mach-rx1950.c
+ *
+ * Copyright (c) 2006-2009 Victor Chukhantsev, Denis Grigoriev,
+ * Copyright (c) 2007-2010 Vasily Khoruzhick
+ *
+ * based on smdk2440 written by Ben Dooks
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/types.h>
+ #include <linux/interrupt.h>
+ #include <linux/list.h>
+ #include <linux/memblock.h>
+ #include <linux/delay.h>
+ #include <linux/timer.h>
+ #include <linux/init.h>
+ #include <linux/gpio.h>
+ #include <linux/platform_device.h>
+ #include <linux/serial_core.h>
+ #include <linux/input.h>
+ #include <linux/gpio_keys.h>
+ #include <linux/device.h>
+ #include <linux/pda_power.h>
+ #include <linux/pwm_backlight.h>
+ #include <linux/pwm.h>
+ #include <linux/s3c_adc_battery.h>
+ #include <linux/leds.h>
+ #include <linux/i2c.h>
+
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
+
+ #include <linux/mmc/host.h>
+
+ #include <asm/mach/arch.h>
+ #include <asm/mach/map.h>
+ #include <asm/mach-types.h>
+
+ #include <mach/regs-gpio.h>
+ #include <mach/regs-gpioj.h>
+ #include <mach/regs-lcd.h>
+ #include <mach/h1940.h>
+ #include <mach/fb.h>
+
+ #include <plat/clock.h>
+ #include <plat/regs-serial.h>
+ #include <plat/regs-iic.h>
+ #include <plat/mci.h>
+ #include <plat/udc.h>
+ #include <plat/nand.h>
+ #include <plat/iic.h>
+ #include <plat/devs.h>
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+ #include <plat/irq.h>
+ #include <plat/ts.h>
+
+ #include <sound/uda1380.h>
+
+ #include "common.h"
+
+ #define LCD_PWM_PERIOD 192960
+ #define LCD_PWM_DUTY 127353
+
+ static struct map_desc rx1950_iodesc[] __initdata = {
+ };
+
+ static struct s3c2410_uartcfg rx1950_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x03,
+ .ufcon = 0x51,
+ .clk_sel = S3C2410_UCON_CLKSEL3,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x03,
+ .ufcon = 0x51,
+ .clk_sel = S3C2410_UCON_CLKSEL3,
+ },
+ /* IR port */
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x43,
+ .ufcon = 0xf1,
+ .clk_sel = S3C2410_UCON_CLKSEL3,
+ },
+ };
+
+ static struct s3c2410fb_display rx1950_display = {
+ .type = S3C2410_LCDCON1_TFT,
+ .width = 240,
+ .height = 320,
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+
+ .pixclock = 260000,
+ .left_margin = 10,
+ .right_margin = 20,
+ .hsync_len = 10,
+ .upper_margin = 2,
+ .lower_margin = 2,
+ .vsync_len = 2,
+
+ .lcdcon5 = S3C2410_LCDCON5_FRM565 |
+ S3C2410_LCDCON5_INVVCLK |
+ S3C2410_LCDCON5_INVVLINE |
+ S3C2410_LCDCON5_INVVFRAME |
+ S3C2410_LCDCON5_HWSWP |
+ (0x02 << 13) |
+ (0x02 << 15),
+
+ };
+
+ static int power_supply_init(struct device *dev)
+ {
+ return gpio_request(S3C2410_GPF(2), "cable plugged");
+ }
+
+ static int rx1950_is_ac_online(void)
+ {
+ return !gpio_get_value(S3C2410_GPF(2));
+ }
+
+ static void power_supply_exit(struct device *dev)
+ {
+ gpio_free(S3C2410_GPF(2));
+ }
+
+ static char *rx1950_supplicants[] = {
+ "main-battery"
+ };
+
+ static struct pda_power_pdata power_supply_info = {
+ .init = power_supply_init,
+ .is_ac_online = rx1950_is_ac_online,
+ .exit = power_supply_exit,
+ .supplied_to = rx1950_supplicants,
+ .num_supplicants = ARRAY_SIZE(rx1950_supplicants),
+ };
+
+ static struct resource power_supply_resources[] = {
+ [0] = {
+ .name = "ac",
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE |
+ IORESOURCE_IRQ_HIGHEDGE,
+ .start = IRQ_EINT2,
+ .end = IRQ_EINT2,
+ },
+ };
+
+ static struct platform_device power_supply = {
+ .name = "pda-power",
+ .id = -1,
+ .dev = {
+ .platform_data =
+ &power_supply_info,
+ },
+ .resource = power_supply_resources,
+ .num_resources = ARRAY_SIZE(power_supply_resources),
+ };
+
+ static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
+ { .volt = 4100, .cur = 156, .level = 100},
+ { .volt = 4050, .cur = 156, .level = 95},
+ { .volt = 4025, .cur = 141, .level = 90},
+ { .volt = 3995, .cur = 144, .level = 85},
+ { .volt = 3957, .cur = 162, .level = 80},
+ { .volt = 3931, .cur = 147, .level = 75},
+ { .volt = 3902, .cur = 147, .level = 70},
+ { .volt = 3863, .cur = 153, .level = 65},
+ { .volt = 3838, .cur = 150, .level = 60},
+ { .volt = 3800, .cur = 153, .level = 55},
+ { .volt = 3765, .cur = 153, .level = 50},
+ { .volt = 3748, .cur = 172, .level = 45},
+ { .volt = 3740, .cur = 153, .level = 40},
+ { .volt = 3714, .cur = 175, .level = 35},
+ { .volt = 3710, .cur = 156, .level = 30},
+ { .volt = 3963, .cur = 156, .level = 25},
+ { .volt = 3672, .cur = 178, .level = 20},
+ { .volt = 3651, .cur = 178, .level = 15},
+ { .volt = 3629, .cur = 178, .level = 10},
+ { .volt = 3612, .cur = 162, .level = 5},
+ { .volt = 3605, .cur = 162, .level = 0},
+ };
+
+ static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
+ { .volt = 4200, .cur = 0, .level = 100},
+ { .volt = 4190, .cur = 0, .level = 99},
+ { .volt = 4178, .cur = 0, .level = 95},
+ { .volt = 4110, .cur = 0, .level = 70},
+ { .volt = 4076, .cur = 0, .level = 65},
+ { .volt = 4046, .cur = 0, .level = 60},
+ { .volt = 4021, .cur = 0, .level = 55},
+ { .volt = 3999, .cur = 0, .level = 50},
+ { .volt = 3982, .cur = 0, .level = 45},
+ { .volt = 3965, .cur = 0, .level = 40},
+ { .volt = 3957, .cur = 0, .level = 35},
+ { .volt = 3948, .cur = 0, .level = 30},
+ { .volt = 3936, .cur = 0, .level = 25},
+ { .volt = 3927, .cur = 0, .level = 20},
+ { .volt = 3906, .cur = 0, .level = 15},
+ { .volt = 3880, .cur = 0, .level = 10},
+ { .volt = 3829, .cur = 0, .level = 5},
+ { .volt = 3820, .cur = 0, .level = 0},
+ };
+
-void rx1950_bat_exit(void)
++static int rx1950_bat_init(void)
+ {
+ int ret;
+
+ ret = gpio_request(S3C2410_GPJ(2), "rx1950-charger-enable-1");
+ if (ret)
+ goto err_gpio1;
+ ret = gpio_request(S3C2410_GPJ(3), "rx1950-charger-enable-2");
+ if (ret)
+ goto err_gpio2;
+
+ return 0;
+
+ err_gpio2:
+ gpio_free(S3C2410_GPJ(2));
+ err_gpio1:
+ return ret;
+ }
+
-void rx1950_enable_charger(void)
++static void rx1950_bat_exit(void)
+ {
+ gpio_free(S3C2410_GPJ(2));
+ gpio_free(S3C2410_GPJ(3));
+ }
+
-void rx1950_disable_charger(void)
++static void rx1950_enable_charger(void)
+ {
+ gpio_direction_output(S3C2410_GPJ(2), 1);
+ gpio_direction_output(S3C2410_GPJ(3), 1);
+ }
+
-DEFINE_SPINLOCK(rx1950_blink_spin);
++static void rx1950_disable_charger(void)
+ {
+ gpio_direction_output(S3C2410_GPJ(2), 0);
+ gpio_direction_output(S3C2410_GPJ(3), 0);
+ }
+
-void rx1950_lcd_power(int enable)
++static DEFINE_SPINLOCK(rx1950_blink_spin);
+
+ static int rx1950_led_blink_set(unsigned gpio, int state,
+ unsigned long *delay_on, unsigned long *delay_off)
+ {
+ int blink_gpio, check_gpio;
+
+ switch (gpio) {
+ case S3C2410_GPA(6):
+ blink_gpio = S3C2410_GPA(4);
+ check_gpio = S3C2410_GPA(3);
+ break;
+ case S3C2410_GPA(7):
+ blink_gpio = S3C2410_GPA(3);
+ check_gpio = S3C2410_GPA(4);
+ break;
+ default:
+ return -EINVAL;
+ break;
+ }
+
+ if (delay_on && delay_off && !*delay_on && !*delay_off)
+ *delay_on = *delay_off = 500;
+
+ spin_lock(&rx1950_blink_spin);
+
+ switch (state) {
+ case GPIO_LED_NO_BLINK_LOW:
+ case GPIO_LED_NO_BLINK_HIGH:
+ if (!gpio_get_value(check_gpio))
+ gpio_set_value(S3C2410_GPJ(6), 0);
+ gpio_set_value(blink_gpio, 0);
+ gpio_set_value(gpio, state);
+ break;
+ case GPIO_LED_BLINK:
+ gpio_set_value(gpio, 0);
+ gpio_set_value(S3C2410_GPJ(6), 1);
+ gpio_set_value(blink_gpio, 1);
+ break;
+ }
+
+ spin_unlock(&rx1950_blink_spin);
+
+ return 0;
+ }
+
+ static struct gpio_led rx1950_leds_desc[] = {
+ {
+ .name = "Green",
+ .default_trigger = "main-battery-full",
+ .gpio = S3C2410_GPA(6),
+ .retain_state_suspended = 1,
+ },
+ {
+ .name = "Red",
+ .default_trigger
+ = "main-battery-charging-blink-full-solid",
+ .gpio = S3C2410_GPA(7),
+ .retain_state_suspended = 1,
+ },
+ {
+ .name = "Blue",
+ .default_trigger = "rx1950-acx-mem",
+ .gpio = S3C2410_GPA(11),
+ .retain_state_suspended = 1,
+ },
+ };
+
+ static struct gpio_led_platform_data rx1950_leds_pdata = {
+ .num_leds = ARRAY_SIZE(rx1950_leds_desc),
+ .leds = rx1950_leds_desc,
+ .gpio_blink_set = rx1950_led_blink_set,
+ };
+
+ static struct platform_device rx1950_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &rx1950_leds_pdata,
+ },
+ };
+
+ static struct s3c_adc_bat_pdata rx1950_bat_cfg = {
+ .init = rx1950_bat_init,
+ .exit = rx1950_bat_exit,
+ .enable_charger = rx1950_enable_charger,
+ .disable_charger = rx1950_disable_charger,
+ .gpio_charge_finished = S3C2410_GPF(3),
+ .lut_noac = bat_lut_noac,
+ .lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
+ .lut_acin = bat_lut_acin,
+ .lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
+ .volt_channel = 0,
+ .current_channel = 1,
+ .volt_mult = 4235,
+ .current_mult = 2900,
+ .internal_impedance = 200,
+ };
+
+ static struct platform_device rx1950_battery = {
+ .name = "s3c-adc-battery",
+ .id = -1,
+ .dev = {
+ .parent = &s3c_device_adc.dev,
+ .platform_data = &rx1950_bat_cfg,
+ },
+ };
+
+ static struct s3c2410fb_mach_info rx1950_lcd_cfg = {
+ .displays = &rx1950_display,
+ .num_displays = 1,
+ .default_display = 0,
+
+ .lpcsel = 0x02,
+ .gpccon = 0xaa9556a9,
+ .gpccon_mask = 0xffc003fc,
+ .gpcup = 0x0000ffff,
+ .gpcup_mask = 0xffffffff,
+
+ .gpdcon = 0xaa90aaa1,
+ .gpdcon_mask = 0xffc0fff0,
+ .gpdup = 0x0000fcfd,
+ .gpdup_mask = 0xffffffff,
+
+ };
+
+ static struct pwm_device *lcd_pwm;
+
++static void rx1950_lcd_power(int enable)
+ {
+ int i;
+ static int enabled;
+ if (enabled == enable)
+ return;
+ if (!enable) {
+
+ /* GPC11-GPC15->OUTPUT */
+ for (i = 11; i < 16; i++)
+ gpio_direction_output(S3C2410_GPC(i), 1);
+
+ /* Wait a bit here... */
+ mdelay(100);
+
+ /* GPD2-GPD7->OUTPUT */
+ /* GPD11-GPD15->OUTPUT */
+ /* GPD2-GPD7->1, GPD11-GPD15->1 */
+ for (i = 2; i < 8; i++)
+ gpio_direction_output(S3C2410_GPD(i), 1);
+ for (i = 11; i < 16; i++)
+ gpio_direction_output(S3C2410_GPD(i), 1);
+
+ /* Wait a bit here...*/
+ mdelay(100);
+
+ /* GPB0->OUTPUT, GPB0->0 */
+ gpio_direction_output(S3C2410_GPB(0), 0);
+
+ /* GPC1-GPC4->OUTPUT, GPC1-4->0 */
+ for (i = 1; i < 5; i++)
+ gpio_direction_output(S3C2410_GPC(i), 0);
+
+ /* GPC15-GPC11->0 */
+ for (i = 11; i < 16; i++)
+ gpio_direction_output(S3C2410_GPC(i), 0);
+
+ /* GPD15-GPD11->0, GPD2->GPD7->0 */
+ for (i = 11; i < 16; i++)
+ gpio_direction_output(S3C2410_GPD(i), 0);
+
+ for (i = 2; i < 8; i++)
+ gpio_direction_output(S3C2410_GPD(i), 0);
+
+ /* GPC6->0, GPC7->0, GPC5->0 */
+ gpio_direction_output(S3C2410_GPC(6), 0);
+ gpio_direction_output(S3C2410_GPC(7), 0);
+ gpio_direction_output(S3C2410_GPC(5), 0);
+
+ /* GPB1->OUTPUT, GPB1->0 */
+ gpio_direction_output(S3C2410_GPB(1), 0);
+ pwm_config(lcd_pwm, 0, LCD_PWM_PERIOD);
+ pwm_disable(lcd_pwm);
+
+ /* GPC0->0, GPC10->0 */
+ gpio_direction_output(S3C2410_GPC(0), 0);
+ gpio_direction_output(S3C2410_GPC(10), 0);
+ } else {
+ pwm_config(lcd_pwm, LCD_PWM_DUTY, LCD_PWM_PERIOD);
+ pwm_enable(lcd_pwm);
+
+ gpio_direction_output(S3C2410_GPC(0), 1);
+ gpio_direction_output(S3C2410_GPC(5), 1);
+
+ s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPB1_TOUT1);
+ gpio_direction_output(S3C2410_GPC(7), 1);
+
+ for (i = 1; i < 5; i++)
+ s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
+
+ for (i = 11; i < 16; i++)
+ s3c_gpio_cfgpin(S3C2410_GPC(i), S3C_GPIO_SFN(2));
+
+ for (i = 2; i < 8; i++)
+ s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
+
+ for (i = 11; i < 16; i++)
+ s3c_gpio_cfgpin(S3C2410_GPD(i), S3C_GPIO_SFN(2));
+
+ gpio_direction_output(S3C2410_GPC(10), 1);
+ gpio_direction_output(S3C2410_GPC(6), 1);
+ }
+ enabled = enable;
+ }
+
+ static void rx1950_bl_power(int enable)
+ {
+ static int enabled;
+ if (enabled == enable)
+ return;
+ if (!enable) {
+ gpio_direction_output(S3C2410_GPB(0), 0);
+ } else {
+ /* LED driver need a "push" to power on */
+ gpio_direction_output(S3C2410_GPB(0), 1);
+ /* Warm up backlight for one period of PWM.
+ * Without this trick its almost impossible to
+ * enable backlight with low brightness value
+ */
+ ndelay(48000);
+ s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
+ }
+ enabled = enable;
+ }
+
+ static int rx1950_backlight_init(struct device *dev)
+ {
+ WARN_ON(gpio_request(S3C2410_GPB(0), "Backlight"));
+ lcd_pwm = pwm_request(1, "RX1950 LCD");
+ if (IS_ERR(lcd_pwm)) {
+ dev_err(dev, "Unable to request PWM for LCD power!\n");
+ return PTR_ERR(lcd_pwm);
+ }
+
+ rx1950_lcd_power(1);
+ rx1950_bl_power(1);
+
+ return 0;
+ }
+
+ static void rx1950_backlight_exit(struct device *dev)
+ {
+ rx1950_bl_power(0);
+ rx1950_lcd_power(0);
+
+ pwm_free(lcd_pwm);
+ gpio_free(S3C2410_GPB(0));
+ }
+
+
+ static int rx1950_backlight_notify(struct device *dev, int brightness)
+ {
+ if (!brightness) {
+ rx1950_bl_power(0);
+ rx1950_lcd_power(0);
+ } else {
+ rx1950_lcd_power(1);
+ rx1950_bl_power(1);
+ }
+ return brightness;
+ }
+
+ static struct platform_pwm_backlight_data rx1950_backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 24,
+ .dft_brightness = 4,
+ .pwm_period_ns = 48000,
+ .init = rx1950_backlight_init,
+ .notify = rx1950_backlight_notify,
+ .exit = rx1950_backlight_exit,
+ };
+
+ static struct platform_device rx1950_backlight = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &s3c_device_timer[0].dev,
+ .platform_data = &rx1950_backlight_data,
+ },
+ };
+
+ static void rx1950_set_mmc_power(unsigned char power_mode, unsigned short vdd)
+ {
+ switch (power_mode) {
+ case MMC_POWER_OFF:
+ gpio_direction_output(S3C2410_GPJ(1), 0);
+ break;
+ case MMC_POWER_UP:
+ case MMC_POWER_ON:
+ gpio_direction_output(S3C2410_GPJ(1), 1);
+ break;
+ default:
+ break;
+ }
+ }
+
+ static struct s3c24xx_mci_pdata rx1950_mmc_cfg __initdata = {
+ .gpio_detect = S3C2410_GPF(5),
+ .gpio_wprotect = S3C2410_GPH(8),
+ .set_power = rx1950_set_mmc_power,
+ .ocr_avail = MMC_VDD_32_33,
+ };
+
+ static struct mtd_partition rx1950_nand_part[] = {
+ [0] = {
+ .name = "Boot0",
+ .offset = 0,
+ .size = 0x4000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [1] = {
+ .name = "Boot1",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x40000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ [2] = {
+ .name = "Kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = 0x300000,
+ .mask_flags = 0,
+ },
+ [3] = {
+ .name = "Filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ },
+ };
+
+ static struct s3c2410_nand_set rx1950_nand_sets[] = {
+ [0] = {
+ .name = "Internal",
+ .nr_chips = 1,
+ .nr_partitions = ARRAY_SIZE(rx1950_nand_part),
+ .partitions = rx1950_nand_part,
+ },
+ };
+
+ static struct s3c2410_platform_nand rx1950_nand_info = {
+ .tacls = 25,
+ .twrph0 = 50,
+ .twrph1 = 15,
+ .nr_sets = ARRAY_SIZE(rx1950_nand_sets),
+ .sets = rx1950_nand_sets,
+ };
+
+ static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
+ .vbus_pin = S3C2410_GPG(5),
+ .vbus_pin_inverted = 1,
+ .pullup_pin = S3C2410_GPJ(5),
+ };
+
+ static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
+ .delay = 10000,
+ .presc = 49,
+ .oversampling_shift = 3,
+ };
+
+ static struct gpio_keys_button rx1950_gpio_keys_table[] = {
+ {
+ .code = KEY_POWER,
+ .gpio = S3C2410_GPF(0),
+ .active_low = 1,
+ .desc = "Power button",
+ .wakeup = 1,
+ },
+ {
+ .code = KEY_F5,
+ .gpio = S3C2410_GPF(7),
+ .active_low = 1,
+ .desc = "Record button",
+ },
+ {
+ .code = KEY_F1,
+ .gpio = S3C2410_GPG(0),
+ .active_low = 1,
+ .desc = "Calendar button",
+ },
+ {
+ .code = KEY_F2,
+ .gpio = S3C2410_GPG(2),
+ .active_low = 1,
+ .desc = "Contacts button",
+ },
+ {
+ .code = KEY_F3,
+ .gpio = S3C2410_GPG(3),
+ .active_low = 1,
+ .desc = "Mail button",
+ },
+ {
+ .code = KEY_F4,
+ .gpio = S3C2410_GPG(7),
+ .active_low = 1,
+ .desc = "WLAN button",
+ },
+ {
+ .code = KEY_LEFT,
+ .gpio = S3C2410_GPG(10),
+ .active_low = 1,
+ .desc = "Left button",
+ },
+ {
+ .code = KEY_RIGHT,
+ .gpio = S3C2410_GPG(11),
+ .active_low = 1,
+ .desc = "Right button",
+ },
+ {
+ .code = KEY_UP,
+ .gpio = S3C2410_GPG(4),
+ .active_low = 1,
+ .desc = "Up button",
+ },
+ {
+ .code = KEY_DOWN,
+ .gpio = S3C2410_GPG(6),
+ .active_low = 1,
+ .desc = "Down button",
+ },
+ {
+ .code = KEY_ENTER,
+ .gpio = S3C2410_GPG(9),
+ .active_low = 1,
+ .desc = "Ok button"
+ },
+ };
+
+ static struct gpio_keys_platform_data rx1950_gpio_keys_data = {
+ .buttons = rx1950_gpio_keys_table,
+ .nbuttons = ARRAY_SIZE(rx1950_gpio_keys_table),
+ };
+
+ static struct platform_device rx1950_device_gpiokeys = {
+ .name = "gpio-keys",
+ .dev.platform_data = &rx1950_gpio_keys_data,
+ };
+
+ static struct uda1380_platform_data uda1380_info = {
+ .gpio_power = S3C2410_GPJ(0),
+ .gpio_reset = S3C2410_GPD(0),
+ .dac_clk = UDA1380_DAC_CLK_SYSCLK,
+ };
+
+ static struct i2c_board_info rx1950_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("uda1380", 0x1a),
+ .platform_data = &uda1380_info,
+ },
+ };
+
+ static struct platform_device *rx1950_devices[] __initdata = {
+ &s3c_device_lcd,
+ &s3c_device_wdt,
+ &s3c_device_i2c0,
+ &s3c_device_iis,
+ &samsung_asoc_dma,
+ &s3c_device_usbgadget,
+ &s3c_device_rtc,
+ &s3c_device_nand,
+ &s3c_device_sdi,
+ &s3c_device_adc,
+ &s3c_device_ts,
+ &s3c_device_timer[0],
+ &s3c_device_timer[1],
+ &rx1950_backlight,
+ &rx1950_device_gpiokeys,
+ &power_supply,
+ &rx1950_battery,
+ &rx1950_leds,
+ };
+
+ static struct clk *rx1950_clocks[] __initdata = {
+ &s3c24xx_clkout0,
+ &s3c24xx_clkout1,
+ };
+
+ static void __init rx1950_map_io(void)
+ {
+ s3c24xx_clkout0.parent = &clk_h;
+ s3c24xx_clkout1.parent = &clk_f;
+
+ s3c24xx_register_clocks(rx1950_clocks, ARRAY_SIZE(rx1950_clocks));
+
+ s3c24xx_init_io(rx1950_iodesc, ARRAY_SIZE(rx1950_iodesc));
+ s3c24xx_init_clocks(16934000);
+ s3c24xx_init_uarts(rx1950_uartcfgs, ARRAY_SIZE(rx1950_uartcfgs));
+
+ /* setup PM */
+
+ #ifdef CONFIG_PM_H1940
+ memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 8);
+ #endif
+
+ s3c_pm_init();
+ }
+
+ static void __init rx1950_init_machine(void)
+ {
+ int i;
+
+ s3c24xx_fb_set_platdata(&rx1950_lcd_cfg);
+ s3c24xx_udc_set_platdata(&rx1950_udc_cfg);
+ s3c24xx_ts_set_platdata(&rx1950_ts_cfg);
+ s3c24xx_mci_set_platdata(&rx1950_mmc_cfg);
+ s3c_i2c0_set_platdata(NULL);
+ s3c_nand_set_platdata(&rx1950_nand_info);
+
+ /* Turn off suspend on both USB ports, and switch the
+ * selectable USB port to USB device mode. */
+ s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
+ S3C2410_MISCCR_USBSUSPND0 |
+ S3C2410_MISCCR_USBSUSPND1, 0x0);
+
+ /* mmc power is disabled by default */
+ WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
+ gpio_direction_output(S3C2410_GPJ(1), 0);
+
+ for (i = 0; i < 8; i++)
+ WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
+
+ for (i = 10; i < 16; i++)
+ WARN_ON(gpio_request(S3C2410_GPC(i), "LCD power"));
+
+ for (i = 2; i < 8; i++)
+ WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
+
+ for (i = 11; i < 16; i++)
+ WARN_ON(gpio_request(S3C2410_GPD(i), "LCD power"));
+
+ WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
+
+ WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
+ WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
+ WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
+ gpio_direction_output(S3C2410_GPA(3), 0);
+ gpio_direction_output(S3C2410_GPA(4), 0);
+ gpio_direction_output(S3C2410_GPJ(6), 0);
+
+ platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
+
+ i2c_register_board_info(0, rx1950_i2c_devices,
+ ARRAY_SIZE(rx1950_i2c_devices));
+ }
+
+ /* H1940 and RX3715 need to reserve this for suspend */
+ static void __init rx1950_reserve(void)
+ {
+ memblock_reserve(0x30003000, 0x1000);
+ memblock_reserve(0x30081000, 0x1000);
+ }
+
+ MACHINE_START(RX1950, "HP iPAQ RX1950")
+ /* Maintainers: Vasily Khoruzhick */
+ .atag_offset = 0x100,
+ .map_io = rx1950_map_io,
+ .reserve = rx1950_reserve,
+ .init_irq = s3c24xx_init_irq,
+ .init_machine = rx1950_init_machine,
+ .timer = &s3c24xx_timer,
+ .restart = s3c2440_restart,
+ MACHINE_END
--- /dev/null
-void smdk2416_hsudc_gpio_init(void)
+ /* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c
+ *
+ * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
+ * as part of OpenInkpot project
+ * Copyright (c) 2009 Promwad Innovation Company
+ * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/types.h>
+ #include <linux/interrupt.h>
+ #include <linux/list.h>
+ #include <linux/timer.h>
+ #include <linux/init.h>
+ #include <linux/serial_core.h>
+ #include <linux/platform_device.h>
+ #include <linux/io.h>
+ #include <linux/mtd/partitions.h>
+ #include <linux/gpio.h>
+ #include <linux/fb.h>
+ #include <linux/delay.h>
+
+ #include <asm/mach/arch.h>
+ #include <asm/mach/map.h>
+ #include <asm/mach/irq.h>
+
+ #include <mach/hardware.h>
+ #include <asm/irq.h>
+ #include <asm/mach-types.h>
+
+ #include <plat/regs-serial.h>
+ #include <mach/regs-gpio.h>
+ #include <mach/regs-lcd.h>
+ #include <mach/regs-s3c2443-clock.h>
+
+ #include <mach/idle.h>
+ #include <mach/leds-gpio.h>
+ #include <plat/iic.h>
+
+ #include <plat/s3c2416.h>
+ #include <plat/gpio-cfg.h>
+ #include <plat/clock.h>
+ #include <plat/devs.h>
+ #include <plat/cpu.h>
+ #include <plat/nand.h>
+ #include <plat/sdhci.h>
+ #include <plat/udc.h>
+ #include <linux/platform_data/s3c-hsudc.h>
+
+ #include <plat/regs-fb-v4.h>
+ #include <plat/fb.h>
+
+ #include <plat/common-smdk.h>
+
+ static struct map_desc smdk2416_iodesc[] __initdata = {
+ /* ISA IO Space map (memory space selected by A24) */
+
+ {
+ .virtual = (u32)S3C24XX_VA_ISA_WORD,
+ .pfn = __phys_to_pfn(S3C2410_CS2),
+ .length = 0x10000,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
+ .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
+ .length = SZ_4M,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (u32)S3C24XX_VA_ISA_BYTE,
+ .pfn = __phys_to_pfn(S3C2410_CS2),
+ .length = 0x10000,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
+ .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
+ .length = SZ_4M,
+ .type = MT_DEVICE,
+ }
+ };
+
+ #define UCON (S3C2410_UCON_DEFAULT | \
+ S3C2440_UCON_PCLK | \
+ S3C2443_UCON_RXERR_IRQEN)
+
+ #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
+
+ #define UFCON (S3C2410_UFCON_RXTRIG8 | \
+ S3C2410_UFCON_FIFOMODE | \
+ S3C2440_UFCON_TXTRIG16)
+
+ static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ /* IR port */
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON | 0x50,
+ .ufcon = UFCON,
+ },
+ [3] = {
+ .hwport = 3,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ }
+ };
+
-void smdk2416_hsudc_gpio_uninit(void)
++static void smdk2416_hsudc_gpio_init(void)
+ {
+ s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
+ s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
+ s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
+ }
+
-struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
++static void smdk2416_hsudc_gpio_uninit(void)
+ {
+ s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
+ s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
+ s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
+ }
+
-struct s3c_fb_pd_win smdk2416_fb_win[] = {
++static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
+ .epnum = 9,
+ .gpio_init = smdk2416_hsudc_gpio_init,
+ .gpio_uninit = smdk2416_hsudc_gpio_uninit,
+ };
+
++static struct s3c_fb_pd_win smdk2416_fb_win[] = {
+ [0] = {
+ /* think this is the same as the smdk6410 */
+ .win_mode = {
+ .pixclock = 41094,
+ .left_margin = 8,
+ .right_margin = 13,
+ .upper_margin = 7,
+ .lower_margin = 5,
+ .hsync_len = 3,
+ .vsync_len = 1,
+ .xres = 800,
+ .yres = 480,
+ },
+ .default_bpp = 16,
+ .max_bpp = 32,
+ },
+ };
+
+ static void s3c2416_fb_gpio_setup_24bpp(void)
+ {
+ unsigned int gpio;
+
+ for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+ }
+
+ static struct s3c_fb_platdata smdk2416_fb_platdata = {
+ .win[0] = &smdk2416_fb_win[0],
+ .setup_gpio = s3c2416_fb_gpio_setup_24bpp,
+ .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+ .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
+ };
+
+ static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
+ .max_width = 4,
+ .cd_type = S3C_SDHCI_CD_GPIO,
+ .ext_cd_gpio = S3C2410_GPF(1),
+ .ext_cd_gpio_invert = 1,
+ };
+
+ static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
+ .max_width = 4,
+ .cd_type = S3C_SDHCI_CD_NONE,
+ };
+
+ static struct platform_device *smdk2416_devices[] __initdata = {
+ &s3c_device_fb,
+ &s3c_device_wdt,
+ &s3c_device_ohci,
+ &s3c_device_i2c0,
+ &s3c_device_hsmmc0,
+ &s3c_device_hsmmc1,
+ &s3c_device_usb_hsudc,
+ };
+
+ static void __init smdk2416_map_io(void)
+ {
+ s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
+ }
+
+ static void __init smdk2416_machine_init(void)
+ {
+ s3c_i2c0_set_platdata(NULL);
+ s3c_fb_set_platdata(&smdk2416_fb_platdata);
+
+ s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
+ s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
+
+ s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
+
+ gpio_request(S3C2410_GPB(4), "USBHost Power");
+ gpio_direction_output(S3C2410_GPB(4), 1);
+
+ gpio_request(S3C2410_GPB(3), "Display Power");
+ gpio_direction_output(S3C2410_GPB(3), 1);
+
+ gpio_request(S3C2410_GPB(1), "Display Reset");
+ gpio_direction_output(S3C2410_GPB(1), 1);
+
+ platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
+ smdk_machine_init();
+ }
+
+ MACHINE_START(SMDK2416, "SMDK2416")
+ /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
+ .atag_offset = 0x100,
+
+ .init_irq = s3c24xx_init_irq,
+ .map_io = smdk2416_map_io,
+ .init_machine = smdk2416_machine_init,
+ .timer = &s3c24xx_timer,
+ .restart = s3c2416_restart,
+ MACHINE_END
--- /dev/null
-static int s3c2410_pm_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2410/pm.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 (and compatible) Power Manager (Suspend-To-RAM) support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+ #include <linux/init.h>
+ #include <linux/suspend.h>
+ #include <linux/errno.h>
+ #include <linux/time.h>
+ #include <linux/device.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/gpio.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+
+ #include <asm/mach-types.h>
+
+ #include <mach/regs-gpio.h>
+ #include <mach/h1940.h>
+
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+
+ static void s3c2410_pm_prepare(void)
+ {
+ /* ensure at least GSTATUS3 has the resume address */
+
+ __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2410_GSTATUS3);
+
+ S3C_PMDBG("GSTATUS3 0x%08x\n", __raw_readl(S3C2410_GSTATUS3));
+ S3C_PMDBG("GSTATUS4 0x%08x\n", __raw_readl(S3C2410_GSTATUS4));
+
+ if (machine_is_h1940()) {
+ void *base = phys_to_virt(H1940_SUSPEND_CHECK);
+ unsigned long ptr;
+ unsigned long calc = 0;
+
+ /* generate check for the bootloader to check on resume */
+
+ for (ptr = 0; ptr < 0x40000; ptr += 0x400)
+ calc += __raw_readl(base+ptr);
+
+ __raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM));
+ }
+
+ /* RX3715 and RX1950 use similar to H1940 code and the
+ * same offsets for resume and checksum pointers */
+
+ if (machine_is_rx3715() || machine_is_rx1950()) {
+ void *base = phys_to_virt(H1940_SUSPEND_CHECK);
+ unsigned long ptr;
+ unsigned long calc = 0;
+
+ /* generate check for the bootloader to check on resume */
+
+ for (ptr = 0; ptr < 0x40000; ptr += 0x4)
+ calc += __raw_readl(base+ptr);
+
+ __raw_writel(calc, phys_to_virt(H1940_SUSPEND_CHECKSUM));
+ }
+
+ if ( machine_is_aml_m5900() )
+ s3c2410_gpio_setpin(S3C2410_GPF(2), 1);
+
+ if (machine_is_rx1950()) {
+ /* According to S3C2442 user's manual, page 7-17,
+ * when the system is operating in NAND boot mode,
+ * the hardware pin configuration - EINT[23:21] –
+ * must be set as input for starting up after
+ * wakeup from sleep mode
+ */
+ s3c_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_INPUT);
+ s3c_gpio_cfgpin(S3C2410_GPG(14), S3C2410_GPIO_INPUT);
+ s3c_gpio_cfgpin(S3C2410_GPG(15), S3C2410_GPIO_INPUT);
+ }
+ }
+
+ static void s3c2410_pm_resume(void)
+ {
+ unsigned long tmp;
+
+ /* unset the return-from-sleep flag, to ensure reset */
+
+ tmp = __raw_readl(S3C2410_GSTATUS2);
+ tmp &= S3C2410_GSTATUS2_OFFRESET;
+ __raw_writel(tmp, S3C2410_GSTATUS2);
+
+ if ( machine_is_aml_m5900() )
+ s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
+ }
+
+ struct syscore_ops s3c2410_pm_syscore_ops = {
+ .resume = s3c2410_pm_resume,
+ };
+
++static int s3c2410_pm_add(struct device *dev, struct subsys_interface *sif)
+ {
+ pm_cpu_prep = s3c2410_pm_prepare;
+ pm_cpu_sleep = s3c2410_cpu_suspend;
+
+ return 0;
+ }
+
+ #if defined(CONFIG_CPU_S3C2410)
+ static struct subsys_interface s3c2410_pm_interface = {
+ .name = "s3c2410_pm",
+ .subsys = &s3c2410_subsys,
+ .add_dev = s3c2410_pm_add,
+ };
+
+ /* register ourselves */
+
+ static int __init s3c2410_pm_drvinit(void)
+ {
+ return subsys_interface_register(&s3c2410_pm_interface);
+ }
+
+ arch_initcall(s3c2410_pm_drvinit);
+
+ static struct subsys_interface s3c2410a_pm_interface = {
+ .name = "s3c2410a_pm",
+ .subsys = &s3c2410a_subsys,
+ .add_dev = s3c2410_pm_add,
+ };
+
+ static int __init s3c2410a_pm_drvinit(void)
+ {
+ return subsys_interface_register(&s3c2410a_pm_interface);
+ }
+
+ arch_initcall(s3c2410a_pm_drvinit);
+ #endif
+
+ #if defined(CONFIG_CPU_S3C2440)
+ static struct subsys_interface s3c2440_pm_interface = {
+ .name = "s3c2440_pm",
+ .subsys = &s3c2440_subsys,
+ .add_dev = s3c2410_pm_add,
+ };
+
+ static int __init s3c2440_pm_drvinit(void)
+ {
+ return subsys_interface_register(&s3c2440_pm_interface);
+ }
+
+ arch_initcall(s3c2440_pm_drvinit);
+ #endif
+
+ #if defined(CONFIG_CPU_S3C2442)
+ static struct subsys_interface s3c2442_pm_interface = {
+ .name = "s3c2442_pm",
+ .subsys = &s3c2442_subsys,
+ .add_dev = s3c2410_pm_add,
+ };
+
+ static int __init s3c2442_pm_drvinit(void)
+ {
+ return subsys_interface_register(&s3c2442_pm_interface);
+ }
+
+ arch_initcall(s3c2442_pm_drvinit);
+ #endif
--- /dev/null
-static int s3c2412_pm_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2412/pm.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * http://armlinux.simtec.co.uk/.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ #include <linux/kernel.h>
+ #include <linux/types.h>
+ #include <linux/interrupt.h>
+ #include <linux/list.h>
+ #include <linux/timer.h>
+ #include <linux/init.h>
+ #include <linux/device.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/platform_device.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <asm/cacheflush.h>
+ #include <asm/irq.h>
+
+ #include <mach/regs-power.h>
+ #include <mach/regs-gpioj.h>
+ #include <mach/regs-gpio.h>
+ #include <mach/regs-dsc.h>
+
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+
+ #include <plat/s3c2412.h>
+
+ extern void s3c2412_sleep_enter(void);
+
+ static int s3c2412_cpu_suspend(unsigned long arg)
+ {
+ unsigned long tmp;
+
+ /* set our standby method to sleep */
+
+ tmp = __raw_readl(S3C2412_PWRCFG);
+ tmp |= S3C2412_PWRCFG_STANDBYWFI_SLEEP;
+ __raw_writel(tmp, S3C2412_PWRCFG);
+
+ s3c2412_sleep_enter();
+
+ panic("sleep resumed to originator?");
+ }
+
+ static void s3c2412_pm_prepare(void)
+ {
+ }
+
++static int s3c2412_pm_add(struct device *dev, struct subsys_interface *sif)
+ {
+ pm_cpu_prep = s3c2412_pm_prepare;
+ pm_cpu_sleep = s3c2412_cpu_suspend;
+
+ return 0;
+ }
+
+ static struct sleep_save s3c2412_sleep[] = {
+ SAVE_ITEM(S3C2412_DSC0),
+ SAVE_ITEM(S3C2412_DSC1),
+ SAVE_ITEM(S3C2413_GPJDAT),
+ SAVE_ITEM(S3C2413_GPJCON),
+ SAVE_ITEM(S3C2413_GPJUP),
+
+ /* save the PWRCFG to get back to original sleep method */
+
+ SAVE_ITEM(S3C2412_PWRCFG),
+
+ /* save the sleep configuration anyway, just in case these
+ * get damaged during wakeup */
+
+ SAVE_ITEM(S3C2412_GPBSLPCON),
+ SAVE_ITEM(S3C2412_GPCSLPCON),
+ SAVE_ITEM(S3C2412_GPDSLPCON),
+ SAVE_ITEM(S3C2412_GPFSLPCON),
+ SAVE_ITEM(S3C2412_GPGSLPCON),
+ SAVE_ITEM(S3C2412_GPHSLPCON),
+ SAVE_ITEM(S3C2413_GPJSLPCON),
+ };
+
+ static struct subsys_interface s3c2412_pm_interface = {
+ .name = "s3c2412_pm",
+ .subsys = &s3c2412_subsys,
+ .add_dev = s3c2412_pm_add,
+ };
+
+ static __init int s3c2412_pm_init(void)
+ {
+ return subsys_interface_register(&s3c2412_pm_interface);
+ }
+
+ arch_initcall(s3c2412_pm_init);
+
+ static int s3c2412_pm_suspend(void)
+ {
+ s3c_pm_do_save(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep));
+ return 0;
+ }
+
+ static void s3c2412_pm_resume(void)
+ {
+ unsigned long tmp;
+
+ tmp = __raw_readl(S3C2412_PWRCFG);
+ tmp &= ~S3C2412_PWRCFG_STANDBYWFI_MASK;
+ tmp |= S3C2412_PWRCFG_STANDBYWFI_IDLE;
+ __raw_writel(tmp, S3C2412_PWRCFG);
+
+ s3c_pm_do_restore(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep));
+ }
+
+ struct syscore_ops s3c2412_pm_syscore_ops = {
+ .suspend = s3c2412_pm_suspend,
+ .resume = s3c2412_pm_resume,
+ };
--- /dev/null
-static int s3c2416_pm_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2416/pm.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * S3C2416 - PM support (Based on Ben Dooks' S3C2412 PM support)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ #include <linux/device.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/io.h>
+
+ #include <asm/cacheflush.h>
+
+ #include <mach/regs-power.h>
+ #include <mach/regs-s3c2443-clock.h>
+
+ #include <plat/cpu.h>
+ #include <plat/pm.h>
+
+ extern void s3c2412_sleep_enter(void);
+
+ static int s3c2416_cpu_suspend(unsigned long arg)
+ {
+ /* enable wakeup sources regardless of battery state */
+ __raw_writel(S3C2443_PWRCFG_SLEEP, S3C2443_PWRCFG);
+
+ /* set the mode as sleep, 2BED represents "Go to BED" */
+ __raw_writel(0x2BED, S3C2443_PWRMODE);
+
+ s3c2412_sleep_enter();
+
+ panic("sleep resumed to originator?");
+ }
+
+ static void s3c2416_pm_prepare(void)
+ {
+ /*
+ * write the magic value u-boot uses to check for resume into
+ * the INFORM0 register, and ensure INFORM1 is set to the
+ * correct address to resume from.
+ */
+ __raw_writel(0x2BED, S3C2412_INFORM0);
+ __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1);
+ }
+
++static int s3c2416_pm_add(struct device *dev, struct subsys_interface *sif)
+ {
+ pm_cpu_prep = s3c2416_pm_prepare;
+ pm_cpu_sleep = s3c2416_cpu_suspend;
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2416_pm_interface = {
+ .name = "s3c2416_pm",
+ .subsys = &s3c2416_subsys,
+ .add_dev = s3c2416_pm_add,
+ };
+
+ static __init int s3c2416_pm_init(void)
+ {
+ return subsys_interface_register(&s3c2416_pm_interface);
+ }
+
+ arch_initcall(s3c2416_pm_init);
+
+
+ static void s3c2416_pm_resume(void)
+ {
+ /* unset the return-from-sleep amd inform flags */
+ __raw_writel(0x0, S3C2443_PWRMODE);
+ __raw_writel(0x0, S3C2412_INFORM0);
+ __raw_writel(0x0, S3C2412_INFORM1);
+ }
+
+ struct syscore_ops s3c2416_pm_syscore_ops = {
+ .resume = s3c2416_pm_resume,
+ };
--- /dev/null
-static int s3c2442_clk_add(struct device *dev)
+ /* linux/arch/arm/mach-s3c2442/s3c2442.c
+ *
+ * Copyright (c) 2004-2005 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2442 core and lock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+ #include <linux/init.h>
+ #include <linux/module.h>
+ #include <linux/kernel.h>
+ #include <linux/list.h>
+ #include <linux/errno.h>
+ #include <linux/err.h>
+ #include <linux/device.h>
+ #include <linux/syscore_ops.h>
+ #include <linux/interrupt.h>
+ #include <linux/ioport.h>
+ #include <linux/mutex.h>
+ #include <linux/gpio.h>
+ #include <linux/clk.h>
+ #include <linux/io.h>
+
+ #include <mach/hardware.h>
+ #include <linux/atomic.h>
+ #include <asm/irq.h>
+
+ #include <mach/regs-clock.h>
+
+ #include <plat/clock.h>
+ #include <plat/cpu.h>
+ #include <plat/s3c244x.h>
+ #include <plat/pm.h>
+
+ #include <plat/gpio-core.h>
+ #include <plat/gpio-cfg.h>
+ #include <plat/gpio-cfg-helpers.h>
+
+ /* S3C2442 extended clock support */
+
+ static unsigned long s3c2442_camif_upll_round(struct clk *clk,
+ unsigned long rate)
+ {
+ unsigned long parent_rate = clk_get_rate(clk->parent);
+ int div;
+
+ if (rate > parent_rate)
+ return parent_rate;
+
+ div = parent_rate / rate;
+
+ if (div == 3)
+ return parent_rate / 3;
+
+ /* note, we remove the +/- 1 calculations for the divisor */
+
+ div /= 2;
+
+ if (div < 1)
+ div = 1;
+ else if (div > 16)
+ div = 16;
+
+ return parent_rate / (div * 2);
+ }
+
+ static int s3c2442_camif_upll_setrate(struct clk *clk, unsigned long rate)
+ {
+ unsigned long parent_rate = clk_get_rate(clk->parent);
+ unsigned long camdivn = __raw_readl(S3C2440_CAMDIVN);
+
+ rate = s3c2442_camif_upll_round(clk, rate);
+
+ camdivn &= ~S3C2442_CAMDIVN_CAMCLK_DIV3;
+
+ if (rate == parent_rate) {
+ camdivn &= ~S3C2440_CAMDIVN_CAMCLK_SEL;
+ } else if ((parent_rate / rate) == 3) {
+ camdivn |= S3C2440_CAMDIVN_CAMCLK_SEL;
+ camdivn |= S3C2442_CAMDIVN_CAMCLK_DIV3;
+ } else {
+ camdivn &= ~S3C2440_CAMDIVN_CAMCLK_MASK;
+ camdivn |= S3C2440_CAMDIVN_CAMCLK_SEL;
+ camdivn |= (((parent_rate / rate) / 2) - 1);
+ }
+
+ __raw_writel(camdivn, S3C2440_CAMDIVN);
+
+ return 0;
+ }
+
+ /* Extra S3C2442 clocks */
+
+ static struct clk s3c2442_clk_cam = {
+ .name = "camif",
+ .id = -1,
+ .enable = s3c2410_clkcon_enable,
+ .ctrlbit = S3C2440_CLKCON_CAMERA,
+ };
+
+ static struct clk s3c2442_clk_cam_upll = {
+ .name = "camif-upll",
+ .id = -1,
+ .ops = &(struct clk_ops) {
+ .set_rate = s3c2442_camif_upll_setrate,
+ .round_rate = s3c2442_camif_upll_round,
+ },
+ };
+
++static int s3c2442_clk_add(struct device *dev, struct subsys_interface *sif)
+ {
+ struct clk *clock_upll;
+ struct clk *clock_h;
+ struct clk *clock_p;
+
+ clock_p = clk_get(NULL, "pclk");
+ clock_h = clk_get(NULL, "hclk");
+ clock_upll = clk_get(NULL, "upll");
+
+ if (IS_ERR(clock_p) || IS_ERR(clock_h) || IS_ERR(clock_upll)) {
+ printk(KERN_ERR "S3C2442: Failed to get parent clocks\n");
+ return -EINVAL;
+ }
+
+ s3c2442_clk_cam.parent = clock_h;
+ s3c2442_clk_cam_upll.parent = clock_upll;
+
+ s3c24xx_register_clock(&s3c2442_clk_cam);
+ s3c24xx_register_clock(&s3c2442_clk_cam_upll);
+
+ clk_disable(&s3c2442_clk_cam);
+
+ return 0;
+ }
+
+ static struct subsys_interface s3c2442_clk_interface = {
+ .name = "s3c2442_clk",
+ .subsys = &s3c2442_subsys,
+ .add_dev = s3c2442_clk_add,
+ };
+
+ static __init int s3c2442_clk_init(void)
+ {
+ return subsys_interface_register(&s3c2442_clk_interface);
+ }
+
+ arch_initcall(s3c2442_clk_init);
+
+
+ static struct device s3c2442_dev = {
+ .bus = &s3c2442_subsys,
+ };
+
+ int __init s3c2442_init(void)
+ {
+ printk("S3C2442: Initialising architecture\n");
+
+ #ifdef CONFIG_PM
+ register_syscore_ops(&s3c2410_pm_syscore_ops);
+ #endif
+ register_syscore_ops(&s3c244x_pm_syscore_ops);
+ register_syscore_ops(&s3c24xx_irq_syscore_ops);
+
+ return device_register(&s3c2442_dev);
+ }
+
+ void __init s3c2442_map_io(void)
+ {
+ s3c244x_map_io();
+
+ s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down;
+ s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down;
+ }
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff