1 files changed, 285 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
new file mode 100644
index 000000000000..6c6ba172cdf6
--- /dev/null
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -0,0 +1,285 @@
+/*
+ * linux/arch/arm/mach-omap/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/interrupt.h>
+#include <linux/delay.h>
+
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/board.h>
+#include <asm/arch/common.h>
+#include "prcm-regs.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
+
+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 flash_platform_data apollon_flash_data = {
+        .parts          = apollon_partitions,
+        .nr_parts       = ARRAY_SIZE(apollon_partitions),
+};
+
+static struct resource apollon_flash_resource = {
+        .start          = APOLLON_CS0_BASE,
+        .end            = APOLLON_CS0_BASE + SZ_128K,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device apollon_onenand_device = {
+        .name           = "onenand",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &apollon_flash_data,
+        },
+        .num_resources  = ARRAY_SIZE(&apollon_flash_resource),
+        .resource       = &apollon_flash_resource,
+};
+
+static struct resource apollon_smc91x_resources[] = {
+        [0] = {
+                .start  = APOLLON_ETHR_START,           /* Physical */
+                .end    = APOLLON_ETHR_START + 0xf,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
+                .end    = OMAP_GPIO_IRQ(APOLLON_ETHR_GPIO_IRQ),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device apollon_smc91x_device = {
+        .name           = "smc91x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(apollon_smc91x_resources),
+        .resource       = apollon_smc91x_resources,
+};
+
+static struct platform_device apollon_lcd_device = {
+        .name           = "apollon_lcd",
+        .id             = -1,
+};
+
+static struct platform_device *apollon_devices[] __initdata = {
+        &apollon_onenand_device,
+        &apollon_smc91x_device,
+        &apollon_lcd_device,
+};
+
+static inline void __init apollon_init_smc91x(void)
+{
+        /* Make sure CS1 timings are correct */
+        GPMC_CONFIG1_1 = 0x00011203;
+        GPMC_CONFIG2_1 = 0x001f1f01;
+        GPMC_CONFIG3_1 = 0x00080803;
+        GPMC_CONFIG4_1 = 0x1c091c09;
+        GPMC_CONFIG5_1 = 0x041f1f1f;
+        GPMC_CONFIG6_1 = 0x000004c4;
+        GPMC_CONFIG7_1 = 0x00000f40 | (APOLLON_CS1_BASE >> 24);
+        udelay(100);
+
+        omap_cfg_reg(W4__24XX_GPIO74);
+        if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
+                printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
+                        APOLLON_ETHR_GPIO_IRQ);
+                return;
+        }
+        omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
+}
+
+static void __init omap_apollon_init_irq(void)
+{
+        omap2_init_common_hw();
+        omap_init_irq();
+        omap_gpio_init();
+        apollon_init_smc91x();
+}
+
+static struct omap_uart_config apollon_uart_config __initdata = {
+        .enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
+};
+
+static struct omap_mmc_config apollon_mmc_config __initdata = {
+        .mmc [0] = {
+                .enabled        = 0,
+                .wire4          = 0,
+                .wp_pin         = -1,
+                .power_pin      = -1,
+                .switch_pin     = -1,
+        },
+};
+
+static struct omap_lcd_config apollon_lcd_config __initdata = {
+        .ctrl_name      = "internal",
+};
+
+static struct omap_board_config_kernel apollon_config[] = {
+        { OMAP_TAG_UART,        &apollon_uart_config },
+        { OMAP_TAG_MMC,         &apollon_mmc_config },
+        { OMAP_TAG_LCD,         &apollon_lcd_config },
+};
+
+static void __init apollon_led_init(void)
+{
+        /* LED0 - AA10 */
+        omap_cfg_reg(AA10_242X_GPIO13);
+        omap_request_gpio(LED0_GPIO13);
+        omap_set_gpio_direction(LED0_GPIO13, 0);
+        omap_set_gpio_dataout(LED0_GPIO13, 0);
+        /* LED1  - AA6 */
+        omap_cfg_reg(AA6_242X_GPIO14);
+        omap_request_gpio(LED1_GPIO14);
+        omap_set_gpio_direction(LED1_GPIO14, 0);
+        omap_set_gpio_dataout(LED1_GPIO14, 0);
+        /* LED2  - AA4 */
+        omap_cfg_reg(AA4_242X_GPIO15);
+        omap_request_gpio(LED2_GPIO15);
+        omap_set_gpio_direction(LED2_GPIO15, 0);
+        omap_set_gpio_dataout(LED2_GPIO15, 0);
+}
+
+static irqreturn_t apollon_sw_interrupt(int irq, void *ignored, struct pt_regs *regs)
+{
+        static unsigned int led0, led1, led2;
+
+        if (irq == OMAP_GPIO_IRQ(SW_ENTER_GPIO16))
+                omap_set_gpio_dataout(LED0_GPIO13, led0 ^= 1);
+        else if (irq == OMAP_GPIO_IRQ(SW_UP_GPIO17))
+                omap_set_gpio_dataout(LED1_GPIO14, led1 ^= 1);
+        else if (irq == OMAP_GPIO_IRQ(SW_DOWN_GPIO58))
+                omap_set_gpio_dataout(LED2_GPIO15, led2 ^= 1);
+
+        return IRQ_HANDLED;
+}
+
+static void __init apollon_sw_init(void)
+{
+        /* Enter SW - Y11 */
+        omap_cfg_reg(Y11_242X_GPIO16);
+        omap_request_gpio(SW_ENTER_GPIO16);
+        omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
+        /* Up SW - AA12 */
+        omap_cfg_reg(AA12_242X_GPIO17);
+        omap_request_gpio(SW_UP_GPIO17);
+        omap_set_gpio_direction(SW_UP_GPIO17, 1);
+        /* Down SW - AA8 */
+        omap_cfg_reg(AA8_242X_GPIO58);
+        omap_request_gpio(SW_DOWN_GPIO58);
+        omap_set_gpio_direction(SW_DOWN_GPIO58, 1);
+
+        set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQT_RISING);
+        if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
+                                SA_SHIRQ, "enter sw",
+                                &apollon_sw_interrupt))
+                return;
+        set_irq_type(OMAP_GPIO_IRQ(SW_UP_GPIO17), IRQT_RISING);
+        if (request_irq(OMAP_GPIO_IRQ(SW_UP_GPIO17), &apollon_sw_interrupt,
+                                SA_SHIRQ, "up sw",
+                                &apollon_sw_interrupt))
+                return;
+        set_irq_type(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), IRQT_RISING);
+        if (request_irq(OMAP_GPIO_IRQ(SW_DOWN_GPIO58), &apollon_sw_interrupt,
+                                SA_SHIRQ, "down sw",
+                                &apollon_sw_interrupt))
+                return;
+}
+
+static void __init omap_apollon_init(void)
+{
+        apollon_led_init();
+        apollon_sw_init();
+
+        /* REVISIT: where's the correct place */
+        omap_cfg_reg(W19_24XX_SYS_NIRQ);
+
+        /*
+         * 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.
+         */
+        platform_add_devices(apollon_devices, ARRAY_SIZE(apollon_devices));
+        omap_board_config = apollon_config;
+        omap_board_config_size = ARRAY_SIZE(apollon_config);
+        omap_serial_init();
+}
+
+static void __init omap_apollon_map_io(void)
+{
+        omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon")
+        /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
+        .phys_io        = 0x48000000,
+        .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
+        .boot_params    = 0x80000100,
+        .map_io         = omap_apollon_map_io,
+        .init_irq       = omap_apollon_init_irq,
+        .init_machine   = omap_apollon_init,
+        .timer          = &omap_timer,
+MACHINE_END