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Diffstat (limited to 'arch/arm/mach-omap2/board-cm-t3517.c')
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diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
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+++ b/arch/arm/mach-omap2/board-cm-t3517.c
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+/*
+ * 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 (160)
+#define RTC_CS_GPIO (163)
+
+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)
+{
+ 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 = 0x280000 */
+ .size = 32 * NAND_BLOCK_SIZE,
+ },
+ {
+ .name = "rootfs",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
+ .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_irq(void)
+{
+ omap_board_config = cm_t3517_config;
+ omap_board_config_size = ARRAY_SIZE(cm_t3517_config);
+
+ omap2_init_common_hw(NULL, NULL);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
+static struct omap_board_mux board_mux[] __initdata = {
+ /* GPIO186 - Green LED */
+ OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
+ /* RTC GPIOs: IO, WR#, RD#, CS# */
+ OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+ OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+ OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+ OMAP3_MUX(UART3_CTS_RCTX, 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();
+ 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,
+ .map_io = omap3_map_io,
+ .reserve = omap_reserve,
+ .init_irq = cm_t3517_init_irq,
+ .init_machine = cm_t3517_init,
+ .timer = &omap_timer,
+MACHINE_END