+++ /dev/null
-/*
- * linux/arch/arm/mach-omap2/board-apollon.c
- *
- * Copyright (C) 2005,2006 Samsung Electronics
- * Author: Kyungmin Park <kyungmin.park@samsung.com>
- *
- * Modified from mach-omap/omap2/board-h4.c
- *
- * Code for apollon OMAP2 board. Should work on many OMAP2 systems where
- * the bootloader passes the board-specific data to the kernel.
- * Do not put any board specific code to this file; create a new machine
- * type if you need custom low-level initializations.
- *
- * 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/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/onenand.h>
-#include <linux/delay.h>
-#include <linux/leds.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/smc91x.h>
-#include <linux/gpio.h>
-#include <linux/platform_data/leds-omap.h>
-
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-
-#include "common.h"
-#include "gpmc.h"
-
-#include <video/omapdss.h>
-#include <video/omap-panel-generic-dpi.h>
-
-#include "mux.h"
-#include "control.h"
-
-/* LED & Switch macros */
-#define LED0_GPIO13 13
-#define LED1_GPIO14 14
-#define LED2_GPIO15 15
-#define SW_ENTER_GPIO16 16
-#define SW_UP_GPIO17 17
-#define SW_DOWN_GPIO58 58
-
-#define APOLLON_FLASH_CS 0
-#define APOLLON_ETH_CS 1
-#define APOLLON_ETHR_GPIO_IRQ 74
-
-static struct mtd_partition apollon_partitions[] = {
- {
- .name = "X-Loader + U-Boot",
- .offset = 0,
- .size = SZ_128K,
- .mask_flags = MTD_WRITEABLE,
- },
- {
- .name = "params",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_128K,
- },
- {
- .name = "kernel",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_2M,
- },
- {
- .name = "rootfs",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_16M,
- },
- {
- .name = "filesystem00",
- .offset = MTDPART_OFS_APPEND,
- .size = SZ_32M,
- },
- {
- .name = "filesystem01",
- .offset = MTDPART_OFS_APPEND,
- .size = MTDPART_SIZ_FULL,
- },
-};
-
-static struct onenand_platform_data apollon_flash_data = {
- .parts = apollon_partitions,
- .nr_parts = ARRAY_SIZE(apollon_partitions),
-};
-
-static struct resource apollon_flash_resource[] = {
- [0] = {
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct platform_device apollon_onenand_device = {
- .name = "onenand-flash",
- .id = -1,
- .dev = {
- .platform_data = &apollon_flash_data,
- },
- .num_resources = ARRAY_SIZE(apollon_flash_resource),
- .resource = apollon_flash_resource,
-};
-
-static void __init apollon_flash_init(void)
-{
- unsigned long base;
-
- if (gpmc_cs_request(APOLLON_FLASH_CS, SZ_128K, &base) < 0) {
- printk(KERN_ERR "Cannot request OneNAND GPMC CS\n");
- return;
- }
- apollon_flash_resource[0].start = base;
- apollon_flash_resource[0].end = base + SZ_128K - 1;
-}
-
-static struct smc91x_platdata appolon_smc91x_info = {
- .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
- .leda = RPC_LED_100_10,
- .ledb = RPC_LED_TX_RX,
-};
-
-static struct resource apollon_smc91x_resources[] = {
- [0] = {
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
- },
-};
-
-static struct platform_device apollon_smc91x_device = {
- .name = "smc91x",
- .id = -1,
- .dev = {
- .platform_data = &appolon_smc91x_info,
- },
- .num_resources = ARRAY_SIZE(apollon_smc91x_resources),
- .resource = apollon_smc91x_resources,
-};
-
-static struct omap_led_config apollon_led_config[] = {
- {
- .cdev = {
- .name = "apollon:led0",
- },
- .gpio = LED0_GPIO13,
- },
- {
- .cdev = {
- .name = "apollon:led1",
- },
- .gpio = LED1_GPIO14,
- },
- {
- .cdev = {
- .name = "apollon:led2",
- },
- .gpio = LED2_GPIO15,
- },
-};
-
-static struct omap_led_platform_data apollon_led_data = {
- .nr_leds = ARRAY_SIZE(apollon_led_config),
- .leds = apollon_led_config,
-};
-
-static struct platform_device apollon_led_device = {
- .name = "omap-led",
- .id = -1,
- .dev = {
- .platform_data = &apollon_led_data,
- },
-};
-
-static struct platform_device *apollon_devices[] __initdata = {
- &apollon_onenand_device,
- &apollon_smc91x_device,
- &apollon_led_device,
-};
-
-static inline void __init apollon_init_smc91x(void)
-{
- unsigned long base;
-
- unsigned int rate;
- struct clk *gpmc_fck;
- int eth_cs;
- int err;
-
- gpmc_fck = clk_get(NULL, "gpmc_fck"); /* Always on ENABLE_ON_INIT */
- if (IS_ERR(gpmc_fck)) {
- WARN_ON(1);
- return;
- }
-
- clk_prepare_enable(gpmc_fck);
- rate = clk_get_rate(gpmc_fck);
-
- eth_cs = APOLLON_ETH_CS;
-
- /* Make sure CS1 timings are correct */
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG1, 0x00011200);
-
- if (rate >= 160000000) {
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f01);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080803);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1c0b1c0a);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
- } else if (rate >= 130000000) {
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x041f1F1F);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000004C4);
- } else {/* rate = 100000000 */
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG2, 0x001f1f00);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG3, 0x00080802);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG4, 0x1C091C09);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG5, 0x031A1F1F);
- gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
- }
-
- if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
- printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
- goto out;
- }
- apollon_smc91x_resources[0].start = base + 0x300;
- apollon_smc91x_resources[0].end = base + 0x30f;
- udelay(100);
-
- omap_mux_init_gpio(APOLLON_ETHR_GPIO_IRQ, 0);
- err = gpio_request_one(APOLLON_ETHR_GPIO_IRQ, GPIOF_IN, "SMC91x irq");
- if (err) {
- printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
- APOLLON_ETHR_GPIO_IRQ);
- gpmc_cs_free(APOLLON_ETH_CS);
- }
-out:
- clk_disable_unprepare(gpmc_fck);
- clk_put(gpmc_fck);
-}
-
-static struct panel_generic_dpi_data apollon_panel_data = {
- .name = "apollon",
-};
-
-static struct omap_dss_device apollon_lcd_device = {
- .name = "lcd",
- .driver_name = "generic_dpi_panel",
- .type = OMAP_DISPLAY_TYPE_DPI,
- .phy.dpi.data_lines = 18,
- .data = &apollon_panel_data,
-};
-
-static struct omap_dss_device *apollon_dss_devices[] = {
- &apollon_lcd_device,
-};
-
-static struct omap_dss_board_info apollon_dss_data = {
- .num_devices = ARRAY_SIZE(apollon_dss_devices),
- .devices = apollon_dss_devices,
- .default_device = &apollon_lcd_device,
-};
-
-static struct gpio apollon_gpio_leds[] __initdata = {
- { LED0_GPIO13, GPIOF_OUT_INIT_LOW, "LED0" }, /* LED0 - AA10 */
- { LED1_GPIO14, GPIOF_OUT_INIT_LOW, "LED1" }, /* LED1 - AA6 */
- { LED2_GPIO15, GPIOF_OUT_INIT_LOW, "LED2" }, /* LED2 - AA4 */
-};
-
-static void __init apollon_led_init(void)
-{
- omap_mux_init_signal("vlynq_clk.gpio_13", 0);
- omap_mux_init_signal("vlynq_rx1.gpio_14", 0);
- omap_mux_init_signal("vlynq_rx0.gpio_15", 0);
-
- gpio_request_array(apollon_gpio_leds, ARRAY_SIZE(apollon_gpio_leds));
-}
-
-#ifdef CONFIG_OMAP_MUX
-static struct omap_board_mux board_mux[] __initdata = {
- { .reg_offset = OMAP_MUX_TERMINATOR },
-};
-#endif
-
-static void __init omap_apollon_init(void)
-{
- u32 v;
-
- omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
-
- apollon_init_smc91x();
- apollon_led_init();
- apollon_flash_init();
-
- /* REVISIT: where's the correct place */
- omap_mux_init_signal("sys_nirq", OMAP_PULL_ENA | OMAP_PULL_UP);
-
- /* LCD PWR_EN */
- omap_mux_init_signal("mcbsp2_dr.gpio_11", OMAP_PULL_ENA | OMAP_PULL_UP);
-
- /* Use Internal loop-back in MMC/SDIO Module Input Clock selection */
- v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
- v |= (1 << 24);
- omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
-
- /*
- * Make sure the serial ports are muxed on at this point.
- * You have to mux them off in device drivers later on
- * if not needed.
- */
- apollon_smc91x_resources[1].start = gpio_to_irq(APOLLON_ETHR_GPIO_IRQ);
- apollon_smc91x_resources[1].end = gpio_to_irq(APOLLON_ETHR_GPIO_IRQ);
- platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
- omap_serial_init();
- omap_sdrc_init(NULL, NULL);
- omap_display_init(&apollon_dss_data);
-}
-
-MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
- /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
- .atag_offset = 0x100,
- .reserve = omap_reserve,
- .map_io = omap242x_map_io,
- .init_early = omap2420_init_early,
- .init_irq = omap2_init_irq,
- .handle_irq = omap2_intc_handle_irq,
- .init_machine = omap_apollon_init,
- .init_late = omap2420_init_late,
- .timer = &omap2_timer,
- .restart = omap2xxx_restart,
-MACHINE_END
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff