| /* |
| * linux/arch/arm/mach-omap2/board-cm-t3517.c |
| * |
| * Support for the CompuLab CM-T3517 modules |
| * |
| * Copyright (C) 2010 CompuLab, Ltd. |
| * Author: Igor Grinberg <grinberg@compulab.co.il> |
| * |
| * 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. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * 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., 51 Franklin St, Fifth Floor, Boston, MA |
| * 02110-1301 USA |
| * |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/delay.h> |
| #include <linux/gpio.h> |
| #include <linux/leds.h> |
| #include <linux/rtc-v3020.h> |
| #include <linux/mtd/mtd.h> |
| #include <linux/mtd/nand.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/can/platform/ti_hecc.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include <plat/board.h> |
| #include <plat/common.h> |
| #include <plat/usb.h> |
| #include <plat/nand.h> |
| #include <plat/gpmc.h> |
| |
| #include <mach/am35xx.h> |
| |
| #include "mux.h" |
| #include "control.h" |
| |
| #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
| static struct gpio_led cm_t3517_leds[] = { |
| [0] = { |
| .gpio = 186, |
| .name = "cm-t3517:green", |
| .default_trigger = "heartbeat", |
| .active_low = 0, |
| }, |
| }; |
| |
| static struct gpio_led_platform_data cm_t3517_led_pdata = { |
| .num_leds = ARRAY_SIZE(cm_t3517_leds), |
| .leds = cm_t3517_leds, |
| }; |
| |
| static struct platform_device cm_t3517_led_device = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &cm_t3517_led_pdata, |
| }, |
| }; |
| |
| static void __init cm_t3517_init_leds(void) |
| { |
| platform_device_register(&cm_t3517_led_device); |
| } |
| #else |
| static inline void cm_t3517_init_leds(void) {} |
| #endif |
| |
| #if defined(CONFIG_CAN_TI_HECC) || defined(CONFIG_CAN_TI_HECC_MODULE) |
| static struct resource cm_t3517_hecc_resources[] = { |
| { |
| .start = AM35XX_IPSS_HECC_BASE, |
| .end = AM35XX_IPSS_HECC_BASE + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = INT_35XX_HECC0_IRQ, |
| .end = INT_35XX_HECC0_IRQ, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct ti_hecc_platform_data cm_t3517_hecc_pdata = { |
| .scc_hecc_offset = AM35XX_HECC_SCC_HECC_OFFSET, |
| .scc_ram_offset = AM35XX_HECC_SCC_RAM_OFFSET, |
| .hecc_ram_offset = AM35XX_HECC_RAM_OFFSET, |
| .mbx_offset = AM35XX_HECC_MBOX_OFFSET, |
| .int_line = AM35XX_HECC_INT_LINE, |
| .version = AM35XX_HECC_VERSION, |
| }; |
| |
| static struct platform_device cm_t3517_hecc_device = { |
| .name = "ti_hecc", |
| .id = 1, |
| .num_resources = ARRAY_SIZE(cm_t3517_hecc_resources), |
| .resource = cm_t3517_hecc_resources, |
| .dev = { |
| .platform_data = &cm_t3517_hecc_pdata, |
| }, |
| }; |
| |
| static void cm_t3517_init_hecc(void) |
| { |
| platform_device_register(&cm_t3517_hecc_device); |
| } |
| #else |
| static inline void cm_t3517_init_hecc(void) {} |
| #endif |
| |
| #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) |
| #define RTC_IO_GPIO (153) |
| #define RTC_WR_GPIO (154) |
| #define RTC_RD_GPIO (53) |
| #define RTC_CS_GPIO (163) |
| #define RTC_CS_EN_GPIO (160) |
| |
| struct v3020_platform_data cm_t3517_v3020_pdata = { |
| .use_gpio = 1, |
| .gpio_cs = RTC_CS_GPIO, |
| .gpio_wr = RTC_WR_GPIO, |
| .gpio_rd = RTC_RD_GPIO, |
| .gpio_io = RTC_IO_GPIO, |
| }; |
| |
| static struct platform_device cm_t3517_rtc_device = { |
| .name = "v3020", |
| .id = -1, |
| .dev = { |
| .platform_data = &cm_t3517_v3020_pdata, |
| } |
| }; |
| |
| static void __init cm_t3517_init_rtc(void) |
| { |
| int err; |
| |
| err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en"); |
| if (err) { |
| pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err); |
| return; |
| } |
| |
| gpio_direction_output(RTC_CS_EN_GPIO, 1); |
| |
| platform_device_register(&cm_t3517_rtc_device); |
| } |
| #else |
| static inline void cm_t3517_init_rtc(void) {} |
| #endif |
| |
| #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) |
| #define HSUSB1_RESET_GPIO (146) |
| #define HSUSB2_RESET_GPIO (147) |
| #define USB_HUB_RESET_GPIO (152) |
| |
| static struct ehci_hcd_omap_platform_data cm_t3517_ehci_pdata __initdata = { |
| .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, |
| .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, |
| .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
| |
| .phy_reset = true, |
| .reset_gpio_port[0] = HSUSB1_RESET_GPIO, |
| .reset_gpio_port[1] = HSUSB2_RESET_GPIO, |
| .reset_gpio_port[2] = -EINVAL, |
| }; |
| |
| static int cm_t3517_init_usbh(void) |
| { |
| int err; |
| |
| err = gpio_request(USB_HUB_RESET_GPIO, "usb hub rst"); |
| if (err) { |
| pr_err("CM-T3517: usb hub rst gpio request failed: %d\n", err); |
| } else { |
| gpio_direction_output(USB_HUB_RESET_GPIO, 0); |
| udelay(10); |
| gpio_set_value(USB_HUB_RESET_GPIO, 1); |
| msleep(1); |
| } |
| |
| usb_ehci_init(&cm_t3517_ehci_pdata); |
| |
| return 0; |
| } |
| #else |
| static inline int cm_t3517_init_usbh(void) |
| { |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) |
| #define NAND_BLOCK_SIZE SZ_128K |
| |
| static struct mtd_partition cm_t3517_nand_partitions[] = { |
| { |
| .name = "xloader", |
| .offset = 0, /* Offset = 0x00000 */ |
| .size = 4 * NAND_BLOCK_SIZE, |
| .mask_flags = MTD_WRITEABLE |
| }, |
| { |
| .name = "uboot", |
| .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ |
| .size = 15 * NAND_BLOCK_SIZE, |
| }, |
| { |
| .name = "uboot environment", |
| .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ |
| .size = 2 * NAND_BLOCK_SIZE, |
| }, |
| { |
| .name = "linux", |
| .offset = MTDPART_OFS_APPEND, /* Offset = 0x2A0000 */ |
| .size = 32 * NAND_BLOCK_SIZE, |
| }, |
| { |
| .name = "rootfs", |
| .offset = MTDPART_OFS_APPEND, /* Offset = 0x6A0000 */ |
| .size = MTDPART_SIZ_FULL, |
| }, |
| }; |
| |
| static struct omap_nand_platform_data cm_t3517_nand_data = { |
| .parts = cm_t3517_nand_partitions, |
| .nr_parts = ARRAY_SIZE(cm_t3517_nand_partitions), |
| .dma_channel = -1, /* disable DMA in OMAP NAND driver */ |
| .cs = 0, |
| }; |
| |
| static void __init cm_t3517_init_nand(void) |
| { |
| if (gpmc_nand_init(&cm_t3517_nand_data) < 0) |
| pr_err("CM-T3517: NAND initialization failed\n"); |
| } |
| #else |
| static inline void cm_t3517_init_nand(void) {} |
| #endif |
| |
| static struct omap_board_config_kernel cm_t3517_config[] __initdata = { |
| }; |
| |
| static void __init cm_t3517_init_early(void) |
| { |
| omap2_init_common_infrastructure(); |
| omap2_init_common_devices(NULL, NULL); |
| } |
| |
| static struct omap_board_mux board_mux[] __initdata = { |
| /* GPIO186 - Green LED */ |
| OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), |
| |
| /* RTC GPIOs: */ |
| /* IO - GPIO153 */ |
| OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
| /* WR# - GPIO154 */ |
| OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
| /* RD# - GPIO53 */ |
| OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
| /* CS# - GPIO163 */ |
| OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
| /* CS EN - GPIO160 */ |
| OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT), |
| |
| /* HSUSB1 RESET */ |
| OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), |
| /* HSUSB2 RESET */ |
| OMAP3_MUX(UART2_RX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), |
| /* CM-T3517 USB HUB nRESET */ |
| OMAP3_MUX(MCBSP4_CLKX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT), |
| |
| { .reg_offset = OMAP_MUX_TERMINATOR }, |
| }; |
| |
| static void __init cm_t3517_init(void) |
| { |
| omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
| omap_serial_init(); |
| omap_board_config = cm_t3517_config; |
| omap_board_config_size = ARRAY_SIZE(cm_t3517_config); |
| cm_t3517_init_leds(); |
| cm_t3517_init_nand(); |
| cm_t3517_init_rtc(); |
| cm_t3517_init_usbh(); |
| cm_t3517_init_hecc(); |
| } |
| |
| MACHINE_START(CM_T3517, "Compulab CM-T3517") |
| .boot_params = 0x80000100, |
| .reserve = omap_reserve, |
| .map_io = omap3_map_io, |
| .init_early = cm_t3517_init_early, |
| .init_irq = omap_init_irq, |
| .init_machine = cm_t3517_init, |
| .timer = &omap_timer, |
| MACHINE_END |