/*
* linux/arch/arm/mach-omap2/board-apollon.c
*
- * Copyright (C) 2005,2006 Samsung Electronics
+ * Copyright (C) 2005-2008 Samsung Electronics
* Author: Kyungmin Park <kyungmin.park@samsung.com>
*
- * Modified from mach-omap/omap2/board-h4.c
+ * Modified from mach-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.
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/onenand.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/leds.h>
#include <linux/err.h>
#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/tsc210x.h>
+#include <asm/io.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/board.h>
#include <mach/common.h>
#include <mach/gpmc.h>
-#include <mach/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 LED3_GPIO92 92
+#define LED4_GPIO93 93
#define APOLLON_FLASH_CS 0
#define APOLLON_ETH_CS 1
+#define APOLLON_NOR_CS 3
#define APOLLON_ETHR_GPIO_IRQ 74
+#define APOLLON_ONENAND_CS2_ADDRESS (0x00000e40 | (0x10000000 >> 24))
+#define APOLLON_EXT_CS3_ADDRESS (0x00000c40 | (0x18000000 >> 24))
+
+extern apollon_mmc_init(void);
+
+int apollon_plus(void)
+{
+ /* The apollon plus has IDCODE revision 5 */
+ return omap_rev() & 0xc0;
+}
+
static struct mtd_partition apollon_partitions[] = {
{
.name = "X-Loader + U-Boot",
.resource = apollon_flash_resource,
};
+static struct mtd_partition apollon_nor_partitions[] = {
+ {
+ .name = "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_4M - SZ_256K,
+ },
+ {
+ .name = "application",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_8M + SZ_2M,
+ },
+ {
+ .name = "reserved",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct flash_platform_data apollon_nor_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+ .parts = apollon_nor_partitions,
+ .nr_parts = ARRAY_SIZE(apollon_nor_partitions),
+};
+
+static struct resource apollon_nor_resource[] = {
+ [0] = {
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct platform_device apollon_nor_device = {
+ .name = "omapflash",
+ .id = -1,
+ .dev = {
+ .platform_data = &apollon_nor_data,
+ },
+ .num_resources = ARRAY_SIZE(apollon_nor_resource),
+ .resource = apollon_nor_resource,
+};
+
static void __init apollon_flash_init(void)
{
unsigned long base;
}
apollon_flash_resource[0].start = base;
apollon_flash_resource[0].end = base + SZ_128K - 1;
+
+ if (gpmc_cs_request(APOLLON_NOR_CS, SZ_32M, &base) < 0) {
+ printk(KERN_ERR "Cannot request NOR GPMC CS\n");
+ return;
+ }
+ apollon_nor_resource[0].start = base;
+ apollon_nor_resource[0].end = base + SZ_32M - 1;
}
static struct resource apollon_smc91x_resources[] = {
.id = -1,
};
-static struct omap_led_config apollon_led_config[] = {
+static struct gpio_led apollon_led_config[] = {
{
- .cdev = {
- .name = "apollon:led0",
- },
- .gpio = LED0_GPIO13,
+ .name = "d2",
+ .gpio = LED0_GPIO13,
+ .default_trigger = "heartbeat",
},
{
- .cdev = {
- .name = "apollon:led1",
- },
- .gpio = LED1_GPIO14,
+ .name = "d3",
+ .gpio = LED1_GPIO14,
},
{
- .cdev = {
- .name = "apollon:led2",
- },
- .gpio = LED2_GPIO15,
+ .name = "d4",
+ .gpio = LED2_GPIO15,
+ },
+ {
+ .name = "d5",
+ .gpio = LED3_GPIO92,
+ },
+ {
+ .name = "d6",
+ .gpio = LED4_GPIO93,
},
};
-static struct omap_led_platform_data apollon_led_data = {
- .nr_leds = ARRAY_SIZE(apollon_led_config),
+static struct gpio_led_platform_data apollon_led_data = {
+ .num_leds = ARRAY_SIZE(apollon_led_config),
.leds = apollon_led_config,
};
static struct platform_device apollon_led_device = {
- .name = "omap-led",
+ .name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &apollon_led_data,
static struct platform_device *apollon_devices[] __initdata = {
&apollon_onenand_device,
+ &apollon_nor_device,
&apollon_smc91x_device,
&apollon_lcd_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;
gpmc_cs_write_reg(eth_cs, GPMC_CS_CONFIG6, 0x000003C2);
}
- if (gpmc_cs_request(APOLLON_ETH_CS, SZ_16M, &base) < 0) {
+ if (gpmc_cs_request(eth_cs, SZ_16M, &base) < 0) {
printk(KERN_ERR "Failed to request GPMC CS for smc91x\n");
goto out;
}
if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
APOLLON_ETHR_GPIO_IRQ);
- gpmc_cs_free(APOLLON_ETH_CS);
+ gpmc_cs_free(eth_cs);
goto out;
}
gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
apollon_init_smc91x();
}
+static struct tsc210x_config tsc_platform_data = {
+ .use_internal = 1,
+ .monitor = TSC_TEMP,
+ .mclk = "sys_clkout",
+};
+
+static struct spi_board_info apollon_spi_board_info[] = {
+ [0] = {
+ .modalias = "tsc2101",
+ .irq = OMAP_GPIO_IRQ(85),
+ .bus_num = 1,
+ .chip_select = 0,
+ .mode = SPI_MODE_1,
+ .max_speed_hz = 6000000,
+ .platform_data = &tsc_platform_data,
+ },
+};
+
static struct omap_uart_config apollon_uart_config __initdata = {
.enabled_uarts = (1 << 0) | (0 << 1) | (0 << 2),
};
.ctrl_name = "internal",
};
-static struct omap_board_config_kernel apollon_config[] = {
+static struct omap_board_config_kernel apollon_config[] __initdata = {
{ OMAP_TAG_UART, &apollon_uart_config },
{ OMAP_TAG_LCD, &apollon_lcd_config },
};
{
/* LED0 - AA10 */
omap_cfg_reg(AA10_242X_GPIO13);
- gpio_request(LED0_GPIO13, "LED0");
- gpio_direction_output(LED0_GPIO13, 0);
/* LED1 - AA6 */
omap_cfg_reg(AA6_242X_GPIO14);
- gpio_request(LED1_GPIO14, "LED1");
- gpio_direction_output(LED1_GPIO14, 0);
/* LED2 - AA4 */
omap_cfg_reg(AA4_242X_GPIO15);
- gpio_request(LED2_GPIO15, "LED2");
- gpio_direction_output(LED2_GPIO15, 0);
+
+ if (apollon_plus()) {
+ /* LED3 - M15 */
+ omap_cfg_reg(M15_24XX_GPIO92);
+ /* LED4 - P20 */
+ omap_cfg_reg(P20_24XX_GPIO93);
+ } else
+ apollon_led_data.num_leds = 3;
}
static void __init apollon_usb_init(void)
omap_usb_init(&apollon_usb_config);
}
-static void __init omap_apollon_init(void)
+static void __init apollon_tsc_init(void)
+{
+ /* TSC2101 */
+ omap_cfg_reg(N15_24XX_GPIO85);
+ gpio_request(85, "tsc2101 irq");
+ gpio_direction_input(85);
+
+ omap_cfg_reg(W14_24XX_SYS_CLKOUT); /* mclk */
+}
+
+static void __init apollon_cs_init(void)
{
- u32 v;
+ unsigned long base;
+ unsigned int rate;
+ struct clk *l3ck;
+ u32 value;
+ int cs, sync = 0;
+
+ l3ck = clk_get(NULL, "core_l3_ck");
+ if (IS_ERR(l3ck))
+ rate = 100000000;
+ else
+ rate = clk_get_rate(l3ck);
+
+ /* CS2: OneNAND */
+ cs = 2;
+ value = gpmc_cs_read_reg(0, GPMC_CS_CONFIG1);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, value);
+ value = gpmc_cs_read_reg(0, GPMC_CS_CONFIG2);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, value);
+ value = gpmc_cs_read_reg(0, GPMC_CS_CONFIG3);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, value);
+ value = gpmc_cs_read_reg(0, GPMC_CS_CONFIG4);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, value);
+ value = gpmc_cs_read_reg(0, GPMC_CS_CONFIG5);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG5, value);
+ value = gpmc_cs_read_reg(0, GPMC_CS_CONFIG6);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG6, value);
+
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, APOLLON_ONENAND_CS2_ADDRESS);
+
+ /* CS3: External NOR */
+ cs = APOLLON_NOR_CS;
+ if (rate >= 160000000) {
+ sync = 1;
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, 0xe5011211);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, 0x00090b01);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, 0x00020201);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, 0x09030b03);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG5, 0x010a0a0c);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG6, 0x00000000);
+ } else if (rate >= 130000000) {
+ /* Not yet know ... Use the async values */
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, 0x00021201);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, 0x00121601);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, 0x00040401);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, 0x12061605);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG5, 0x01151317);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG6, 0x00000000);
+ } else {/* rate = 100000000 */
+ sync = 1;
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, 0xe1001202);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG2, 0x00151501);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG3, 0x00050501);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG4, 0x0e070e07);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG5, 0x01131F1F);
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG6, 0x00000000);
+ }
+
+ gpmc_cs_write_reg(cs, GPMC_CS_CONFIG7, APOLLON_EXT_CS3_ADDRESS);
+
+ if (gpmc_cs_request(cs, SZ_32M, &base) < 0) {
+ printk(KERN_ERR "Failed to request GPMC CS for external\n");
+ return;
+ }
+ /* Synchronous mode */
+ if (sync) {
+ void __iomem *addr = ioremap(base, SZ_32M);
+ writew(0xaa, addr + 0xaaa);
+ writew(0x55, addr + 0x554);
+ writew(0xc0, addr + 0x24aaa);
+ iounmap(addr);
+ }
+
+ gpmc_cs_free(cs);
+}
+
+static void __init omap_apollon_init(void)
+{
+ apollon_cs_init();
apollon_led_init();
apollon_flash_init();
apollon_usb_init();
-
- /* REVISIT: where's the correct place */
- omap_cfg_reg(W19_24XX_SYS_NIRQ);
-
- /* Use Interal 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);
+ apollon_tsc_init();
/*
* Make sure the serial ports are muxed on at this point.
omap_board_config = apollon_config;
omap_board_config_size = ARRAY_SIZE(apollon_config);
omap_serial_init();
+ omap_register_i2c_bus(1, 100, NULL, 0);
+ omap_register_i2c_bus(2, 100, NULL, 0);
+
+ spi_register_board_info(apollon_spi_board_info,
+ ARRAY_SIZE(apollon_spi_board_info));
+
+ apollon_mmc_init();
}
static void __init omap_apollon_map_io(void)