1 files changed, 292 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
new file mode 100644
index 000000000000..1dd303e9a267
--- /dev/null
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -0,0 +1,292 @@
+/*
+ * 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