From 73d3c68f09e608be983013dc8b3e49aebe89298c Mon Sep 17 00:00:00 2001 From: Kevin Hilman Date: Tue, 14 Apr 2009 10:57:40 -0500 Subject: davinci: DM644x: rename board file Rename DM6446 EVM board file, no functional changes. Code is updated and reworked in following patch. Signed-off-by: Kevin Hilman --- arch/arm/mach-davinci/board-evm.c | 440 -------------------------------------- 1 file changed, 440 deletions(-) delete mode 100644 arch/arm/mach-davinci/board-evm.c (limited to 'arch/arm/mach-davinci/board-evm.c') diff --git a/arch/arm/mach-davinci/board-evm.c b/arch/arm/mach-davinci/board-evm.c deleted file mode 100644 index c2701d740a1d..000000000000 --- a/arch/arm/mach-davinci/board-evm.c +++ /dev/null @@ -1,440 +0,0 @@ -/* - * TI DaVinci EVM board support - * - * Author: Kevin Hilman, MontaVista Software, Inc. - * - * 2007 (c) MontaVista Software, Inc. 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. - */ -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include - -#include -#include - -#include -#include -#include - -#include -#include -#include - -#define DAVINCI_CFC_ATA_BASE 0x01C66000 -#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 - -/* other misc. init functions */ -void __init davinci_psc_init(void); -void __init davinci_irq_init(void); -void __init davinci_map_common_io(void); -void __init davinci_init_common_hw(void); - -#if defined(CONFIG_MTD_PHYSMAP) || \ - defined(CONFIG_MTD_PHYSMAP_MODULE) - -static struct mtd_partition davinci_evm_norflash_partitions[] = { - /* bootloader (U-Boot, etc) in first 4 sectors */ - { - .name = "bootloader", - .offset = 0, - .size = 4 * SZ_64K, - .mask_flags = MTD_WRITEABLE, /* force read-only */ - }, - /* bootloader params in the next 1 sectors */ - { - .name = "params", - .offset = MTDPART_OFS_APPEND, - .size = SZ_64K, - .mask_flags = 0, - }, - /* kernel */ - { - .name = "kernel", - .offset = MTDPART_OFS_APPEND, - .size = SZ_2M, - .mask_flags = 0 - }, - /* file system */ - { - .name = "filesystem", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL, - .mask_flags = 0 - } -}; - -static struct physmap_flash_data davinci_evm_norflash_data = { - .width = 2, - .parts = davinci_evm_norflash_partitions, - .nr_parts = ARRAY_SIZE(davinci_evm_norflash_partitions), -}; - -/* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF - * limits addresses to 16M, so using addresses past 16M will wrap */ -static struct resource davinci_evm_norflash_resource = { - .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, - .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device davinci_evm_norflash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &davinci_evm_norflash_data, - }, - .num_resources = 1, - .resource = &davinci_evm_norflash_resource, -}; - -#endif - -#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ - defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) - -static struct resource ide_resources[] = { - { - .start = DAVINCI_CFC_ATA_BASE, - .end = DAVINCI_CFC_ATA_BASE + 0x7ff, - .flags = IORESOURCE_MEM, - }, - { - .start = IRQ_IDE, - .end = IRQ_IDE, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 ide_dma_mask = DMA_BIT_MASK(32); - -static struct platform_device ide_dev = { - .name = "palm_bk3710", - .id = -1, - .resource = ide_resources, - .num_resources = ARRAY_SIZE(ide_resources), - .dev = { - .dma_mask = &ide_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; - -#endif - -/*----------------------------------------------------------------------*/ - -/* - * I2C GPIO expanders - */ - -#define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8)) - - -/* U2 -- LEDs */ - -static struct gpio_led evm_leds[] = { - { .name = "DS8", .active_low = 1, - .default_trigger = "heartbeat", }, - { .name = "DS7", .active_low = 1, }, - { .name = "DS6", .active_low = 1, }, - { .name = "DS5", .active_low = 1, }, - { .name = "DS4", .active_low = 1, }, - { .name = "DS3", .active_low = 1, }, - { .name = "DS2", .active_low = 1, - .default_trigger = "mmc0", }, - { .name = "DS1", .active_low = 1, - .default_trigger = "ide-disk", }, -}; - -static const struct gpio_led_platform_data evm_led_data = { - .num_leds = ARRAY_SIZE(evm_leds), - .leds = evm_leds, -}; - -static struct platform_device *evm_led_dev; - -static int -evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) -{ - struct gpio_led *leds = evm_leds; - int status; - - while (ngpio--) { - leds->gpio = gpio++; - leds++; - } - - /* what an extremely annoying way to be forced to handle - * device unregistration ... - */ - evm_led_dev = platform_device_alloc("leds-gpio", 0); - platform_device_add_data(evm_led_dev, - &evm_led_data, sizeof evm_led_data); - - evm_led_dev->dev.parent = &client->dev; - status = platform_device_add(evm_led_dev); - if (status < 0) { - platform_device_put(evm_led_dev); - evm_led_dev = NULL; - } - return status; -} - -static int -evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) -{ - if (evm_led_dev) { - platform_device_unregister(evm_led_dev); - evm_led_dev = NULL; - } - return 0; -} - -static struct pcf857x_platform_data pcf_data_u2 = { - .gpio_base = PCF_Uxx_BASE(0), - .setup = evm_led_setup, - .teardown = evm_led_teardown, -}; - - -/* U18 - A/V clock generator and user switch */ - -static int sw_gpio; - -static ssize_t -sw_show(struct device *d, struct device_attribute *a, char *buf) -{ - char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n"; - - strcpy(buf, s); - return strlen(s); -} - -static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL); - -static int -evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) -{ - int status; - - /* export dip switch option */ - sw_gpio = gpio + 7; - status = gpio_request(sw_gpio, "user_sw"); - if (status == 0) - status = gpio_direction_input(sw_gpio); - if (status == 0) - status = device_create_file(&client->dev, &dev_attr_user_sw); - else - gpio_free(sw_gpio); - if (status != 0) - sw_gpio = -EINVAL; - - /* audio PLL: 48 kHz (vs 44.1 or 32), single rate (vs double) */ - gpio_request(gpio + 3, "pll_fs2"); - gpio_direction_output(gpio + 3, 0); - - gpio_request(gpio + 2, "pll_fs1"); - gpio_direction_output(gpio + 2, 0); - - gpio_request(gpio + 1, "pll_sr"); - gpio_direction_output(gpio + 1, 0); - - return 0; -} - -static int -evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) -{ - gpio_free(gpio + 1); - gpio_free(gpio + 2); - gpio_free(gpio + 3); - - if (sw_gpio > 0) { - device_remove_file(&client->dev, &dev_attr_user_sw); - gpio_free(sw_gpio); - } - return 0; -} - -static struct pcf857x_platform_data pcf_data_u18 = { - .gpio_base = PCF_Uxx_BASE(1), - .n_latch = (1 << 3) | (1 << 2) | (1 << 1), - .setup = evm_u18_setup, - .teardown = evm_u18_teardown, -}; - - -/* U35 - various I/O signals used to manage USB, CF, ATA, etc */ - -static int -evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c) -{ - /* p0 = nDRV_VBUS (initial: don't supply it) */ - gpio_request(gpio + 0, "nDRV_VBUS"); - gpio_direction_output(gpio + 0, 1); - - /* p1 = VDDIMX_EN */ - gpio_request(gpio + 1, "VDDIMX_EN"); - gpio_direction_output(gpio + 1, 1); - - /* p2 = VLYNQ_EN */ - gpio_request(gpio + 2, "VLYNQ_EN"); - gpio_direction_output(gpio + 2, 1); - - /* p3 = n3V3_CF_RESET (initial: stay in reset) */ - gpio_request(gpio + 3, "nCF_RESET"); - gpio_direction_output(gpio + 3, 0); - - /* (p4 unused) */ - - /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */ - gpio_request(gpio + 5, "WLAN_RESET"); - gpio_direction_output(gpio + 5, 1); - - /* p6 = nATA_SEL (initial: select) */ - gpio_request(gpio + 6, "nATA_SEL"); - gpio_direction_output(gpio + 6, 0); - - /* p7 = nCF_SEL (initial: deselect) */ - gpio_request(gpio + 7, "nCF_SEL"); - gpio_direction_output(gpio + 7, 1); - - /* irlml6401 sustains over 3A, switches 5V in under 8 msec */ - setup_usb(500, 8); - - return 0; -} - -static int -evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c) -{ - gpio_free(gpio + 7); - gpio_free(gpio + 6); - gpio_free(gpio + 5); - gpio_free(gpio + 3); - gpio_free(gpio + 2); - gpio_free(gpio + 1); - gpio_free(gpio + 0); - return 0; -} - -static struct pcf857x_platform_data pcf_data_u35 = { - .gpio_base = PCF_Uxx_BASE(2), - .setup = evm_u35_setup, - .teardown = evm_u35_teardown, -}; - -/*----------------------------------------------------------------------*/ - -/* Most of this EEPROM is unused, but U-Boot uses some data: - * - 0x7f00, 6 bytes Ethernet Address - * - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL) - * - ... newer boards may have more - */ -static struct at24_platform_data eeprom_info = { - .byte_len = (256*1024) / 8, - .page_size = 64, - .flags = AT24_FLAG_ADDR16, -}; - -static struct i2c_board_info __initdata i2c_info[] = { - { - I2C_BOARD_INFO("pcf8574", 0x38), - .platform_data = &pcf_data_u2, - }, - { - I2C_BOARD_INFO("pcf8574", 0x39), - .platform_data = &pcf_data_u18, - }, - { - I2C_BOARD_INFO("pcf8574", 0x3a), - .platform_data = &pcf_data_u35, - }, - { - I2C_BOARD_INFO("24c256", 0x50), - .platform_data = &eeprom_info, - }, - /* ALSO: - * - tvl320aic33 audio codec (0x1b) - * - msp430 microcontroller (0x23) - * - tvp5146 video decoder (0x5d) - */ -}; - -/* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz), - * which requires 100 usec of idle bus after i2c writes sent to it. - */ -static struct davinci_i2c_platform_data i2c_pdata = { - .bus_freq = 20 /* kHz */, - .bus_delay = 100 /* usec */, -}; - -static void __init evm_init_i2c(void) -{ - davinci_init_i2c(&i2c_pdata); - i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info)); -} - -static struct platform_device *davinci_evm_devices[] __initdata = { -#if defined(CONFIG_MTD_PHYSMAP) || \ - defined(CONFIG_MTD_PHYSMAP_MODULE) - &davinci_evm_norflash_device, -#endif -#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ - defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) - &ide_dev, -#endif -}; - -static void __init -davinci_evm_map_io(void) -{ - davinci_map_common_io(); -} - -static __init void davinci_evm_init(void) -{ -#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ - defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) -#if defined(CONFIG_MTD_PHYSMAP) || \ - defined(CONFIG_MTD_PHYSMAP_MODULE) - printk(KERN_WARNING "WARNING: both IDE and NOR flash are enabled, " - "but share pins.\n\t Disable IDE for NOR support.\n"); -#endif -#endif - - platform_add_devices(davinci_evm_devices, - ARRAY_SIZE(davinci_evm_devices)); - evm_init_i2c(); -} - -static __init void davinci_evm_irq_init(void) -{ - davinci_irq_init(); -} - -MACHINE_START(DAVINCI_EVM, "DaVinci EVM") - /* Maintainer: MontaVista Software */ - .phys_io = IO_PHYS, - .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, - .boot_params = (DAVINCI_DDR_BASE + 0x100), - .map_io = davinci_evm_map_io, - .init_irq = davinci_evm_irq_init, - .timer = &davinci_timer, - .init_machine = davinci_evm_init, -MACHINE_END -- cgit v1.2.3-59-g8ed1b