ARM: OMAP3: Add minimal Beagle board support
authorSyed Mohammed, Khasim <khasim@ti.com>
Thu, 9 Oct 2008 14:51:42 +0000 (17:51 +0300)
committerTony Lindgren <tony@atomide.com>
Thu, 9 Oct 2008 14:51:42 +0000 (17:51 +0300)
Add minimal Beagle board support. Based on earlier patches
by Syed Mohammed Khasim with some fixes from linux-omap tree.

Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap2/Kconfig
arch/arm/mach-omap2/Makefile
arch/arm/mach-omap2/board-omap3beagle.c [new file with mode: 0644]
arch/arm/mm/Kconfig
arch/arm/plat-omap/include/mach/board-omap3beagle.h [new file with mode: 0644]
arch/arm/plat-omap/include/mach/hardware.h

index e2481e4045e708c8d6bd9023270af2d677450369..23fd1cc034a0f0ca16689616a598f4d9e16d3a03 100644 (file)
@@ -44,3 +44,7 @@ config MACH_OMAP_2430SDP
        bool "OMAP 2430 SDP board"
        depends on ARCH_OMAP2 && ARCH_OMAP24XX
 
+config MACH_OMAP3_BEAGLE
+       bool "OMAP3 BEAGLE board"
+       depends on ARCH_OMAP3 && ARCH_OMAP34XX
+
index 0dc40db3811915f36201444f8f5c9db51b3a7b3d..420ad9accebfb2119077569c8c3b9005d89c98a7 100644 (file)
@@ -29,4 +29,5 @@ obj-$(CONFIG_MACH_OMAP_GENERIC)               += board-generic.o
 obj-$(CONFIG_MACH_OMAP_H4)             += board-h4.o
 obj-$(CONFIG_MACH_OMAP_2430SDP)                += board-2430sdp.o
 obj-$(CONFIG_MACH_OMAP_APOLLON)                += board-apollon.o
+obj-$(CONFIG_MACH_OMAP3_BEAGLE)                += board-omap3beagle.o
 
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
new file mode 100644 (file)
index 0000000..baa7967
--- /dev/null
@@ -0,0 +1,244 @@
+/*
+ * linux/arch/arm/mach-omap2/board-omap3beagle.c
+ *
+ * Copyright (C) 2008 Texas Instruments
+ *
+ * Modified from mach-omap2/board-3430sdp.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * 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/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/gpmc.h>
+#include <mach/nand.h>
+
+
+#define GPMC_CS0_BASE  0x60
+#define GPMC_CS_SIZE   0x30
+
+#define NAND_BLOCK_SIZE                SZ_128K
+
+static struct mtd_partition omap3beagle_nand_partitions[] = {
+       /* All the partition sizes are listed in terms of NAND block size */
+       {
+               .name           = "X-Loader",
+               .offset         = 0,
+               .size           = 4 * NAND_BLOCK_SIZE,
+               .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+       },
+       {
+               .name           = "U-Boot",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
+               .size           = 15 * NAND_BLOCK_SIZE,
+               .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+       },
+       {
+               .name           = "U-Boot Env",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
+               .size           = 1 * NAND_BLOCK_SIZE,
+       },
+       {
+               .name           = "Kernel",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
+               .size           = 32 * NAND_BLOCK_SIZE,
+       },
+       {
+               .name           = "File System",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
+               .size           = MTDPART_SIZ_FULL,
+       },
+};
+
+static struct omap_nand_platform_data omap3beagle_nand_data = {
+       .options        = NAND_BUSWIDTH_16,
+       .parts          = omap3beagle_nand_partitions,
+       .nr_parts       = ARRAY_SIZE(omap3beagle_nand_partitions),
+       .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
+       .nand_setup     = NULL,
+       .dev_ready      = NULL,
+};
+
+static struct resource omap3beagle_nand_resource = {
+       .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device omap3beagle_nand_device = {
+       .name           = "omap2-nand",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &omap3beagle_nand_data,
+       },
+       .num_resources  = 1,
+       .resource       = &omap3beagle_nand_resource,
+};
+
+static struct omap_uart_config omap3_beagle_uart_config __initdata = {
+       .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static void __init omap3_beagle_init_irq(void)
+{
+       omap2_init_common_hw();
+       omap_init_irq();
+       omap_gpio_init();
+}
+
+static struct platform_device omap3_beagle_lcd_device = {
+       .name           = "omap3beagle_lcd",
+       .id             = -1,
+};
+
+static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
+       .ctrl_name      = "internal",
+};
+
+static struct gpio_led gpio_leds[] = {
+       {
+               .name                   = "beagleboard::usr0",
+               .default_trigger        = "heartbeat",
+               .gpio                   = 150,
+       },
+       {
+               .name                   = "beagleboard::usr1",
+               .default_trigger        = "mmc0",
+               .gpio                   = 149,
+       },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+       .leds           = gpio_leds,
+       .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+       .name   = "leds-gpio",
+       .id     = -1,
+       .dev    = {
+               .platform_data  = &gpio_led_info,
+       },
+};
+
+static struct gpio_keys_button gpio_buttons[] = {
+       {
+               .code                   = BTN_EXTRA,
+               .gpio                   = 7,
+               .desc                   = "user",
+               .wakeup                 = 1,
+       },
+};
+
+static struct gpio_keys_platform_data gpio_key_info = {
+       .buttons        = gpio_buttons,
+       .nbuttons       = ARRAY_SIZE(gpio_buttons),
+};
+
+static struct platform_device keys_gpio = {
+       .name   = "gpio-keys",
+       .id     = -1,
+       .dev    = {
+               .platform_data  = &gpio_key_info,
+       },
+};
+
+static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
+       { OMAP_TAG_UART,        &omap3_beagle_uart_config },
+       { OMAP_TAG_LCD,         &omap3_beagle_lcd_config },
+};
+
+static struct platform_device *omap3_beagle_devices[] __initdata = {
+       &omap3_beagle_lcd_device,
+       &leds_gpio,
+       &keys_gpio,
+};
+
+static void __init omap3beagle_flash_init(void)
+{
+       u8 cs = 0;
+       u8 nandcs = GPMC_CS_NUM + 1;
+
+       u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
+
+       /* find out the chip-select on which NAND exists */
+       while (cs < GPMC_CS_NUM) {
+               u32 ret = 0;
+               ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+
+               if ((ret & 0xC00) == 0x800) {
+                       printk(KERN_INFO "Found NAND on CS%d\n", cs);
+                       if (nandcs > GPMC_CS_NUM)
+                               nandcs = cs;
+               }
+               cs++;
+       }
+
+       if (nandcs > GPMC_CS_NUM) {
+               printk(KERN_INFO "NAND: Unable to find configuration "
+                                "in GPMC\n ");
+               return;
+       }
+
+       if (nandcs < GPMC_CS_NUM) {
+               omap3beagle_nand_data.cs = nandcs;
+               omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
+                       (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
+               omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
+
+               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
+               if (platform_device_register(&omap3beagle_nand_device) < 0)
+                       printk(KERN_ERR "Unable to register NAND device\n");
+       }
+}
+
+static void __init omap3_beagle_init(void)
+{
+       platform_add_devices(omap3_beagle_devices,
+                       ARRAY_SIZE(omap3_beagle_devices));
+       omap_board_config = omap3_beagle_config;
+       omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
+       omap_serial_init();
+       omap3beagle_flash_init();
+}
+
+static void __init omap3_beagle_map_io(void)
+{
+       omap2_set_globals_343x();
+       omap2_map_common_io();
+}
+
+MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
+       /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
+       .phys_io        = 0x48000000,
+       .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
+       .boot_params    = 0x80000100,
+       .map_io         = omap3_beagle_map_io,
+       .init_irq       = omap3_beagle_init_irq,
+       .init_machine   = omap3_beagle_init,
+       .timer          = &omap_timer,
+MACHINE_END
index ed15f876c7254cd02ea86d53b5346cfa4efc67d0..546d7e7db74e63685c4f659e46f504555382d965 100644 (file)
@@ -428,7 +428,7 @@ config CPU_32v6K
 # ARMv7
 config CPU_V7
        bool "Support ARM V7 processor"
-       depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB
+       depends on ARCH_INTEGRATOR || MACH_REALVIEW_EB || ARCH_OMAP3
        select CPU_32v6K
        select CPU_32v7
        select CPU_ABRT_EV7
diff --git a/arch/arm/plat-omap/include/mach/board-omap3beagle.h b/arch/arm/plat-omap/include/mach/board-omap3beagle.h
new file mode 100644 (file)
index 0000000..3080d52
--- /dev/null
@@ -0,0 +1,33 @@
+/*
+ * arch/arm/plat-omap/include/mach/board-omap3beagle.h
+ *
+ * Hardware definitions for TI OMAP3 BEAGLE.
+ *
+ * Initial creation by Syed Mohammed Khasim <khasim@ti.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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __ASM_ARCH_OMAP3_BEAGLE_H
+#define __ASM_ARCH_OMAP3_BEAGLE_H
+
+#endif /* __ASM_ARCH_OMAP3_BEAGLE_H */
+
index 29c849f5f18e3e8f609405bceea5d00e22a9465c..80f6d7ec53e1983c38be3ea4a963b3893e7fff6d 100644 (file)
 #include "board-2430sdp.h"
 #endif
 
+#ifdef CONFIG_MACH_OMAP3_BEAGLE
+#include "board-omap3beagle.h"
+#endif
+
 #ifdef CONFIG_MACH_OMAP_APOLLON
 #include "board-apollon.h"
 #endif