Added missing tegra files.HEADmaster

1 files changed, 426 insertions, 0 deletions

diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
new file mode 100644
index 00000000000..eaaf6ff2899
--- /dev/null
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -0,0 +1,426 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ */
+
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/irq.h>
+#include <linux/clk.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/common.h>
+#include <mach/iomux-mx28.h>
+
+#include "devices-mx28.h"
+
+#define MX28EVK_FLEXCAN_SWITCH  MXS_GPIO_NR(2, 13)
+#define MX28EVK_FEC_PHY_POWER   MXS_GPIO_NR(2, 15)
+#define MX28EVK_GPIO_LED        MXS_GPIO_NR(3, 5)
+#define MX28EVK_BL_ENABLE       MXS_GPIO_NR(3, 18)
+#define MX28EVK_LCD_ENABLE      MXS_GPIO_NR(3, 30)
+#define MX28EVK_FEC_PHY_RESET   MXS_GPIO_NR(4, 13)
+
+#define MX28EVK_MMC0_WRITE_PROTECT      MXS_GPIO_NR(2, 12)
+#define MX28EVK_MMC1_WRITE_PROTECT      MXS_GPIO_NR(0, 28)
+#define MX28EVK_MMC0_SLOT_POWER         MXS_GPIO_NR(3, 28)
+#define MX28EVK_MMC1_SLOT_POWER         MXS_GPIO_NR(3, 29)
+
+static const iomux_cfg_t mx28evk_pads[] __initconst = {
+        /* duart */
+        MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
+        MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
+
+        /* auart0 */
+        MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL,
+        MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL,
+        MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL,
+        MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL,
+        /* auart3 */
+        MX28_PAD_AUART3_RX__AUART3_RX | MXS_PAD_CTRL,
+        MX28_PAD_AUART3_TX__AUART3_TX | MXS_PAD_CTRL,
+        MX28_PAD_AUART3_CTS__AUART3_CTS | MXS_PAD_CTRL,
+        MX28_PAD_AUART3_RTS__AUART3_RTS | MXS_PAD_CTRL,
+
+#define MXS_PAD_FEC     (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP)
+        /* fec0 */
+        MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC,
+        MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC,
+        MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC,
+        /* fec1 */
+        MX28_PAD_ENET0_CRS__ENET1_RX_EN | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_COL__ENET1_TX_EN | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MXS_PAD_FEC,
+        MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MXS_PAD_FEC,
+        /* phy power line */
+        MX28_PAD_SSP1_DATA3__GPIO_2_15 | MXS_PAD_CTRL,
+        /* phy reset line */
+        MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | MXS_PAD_CTRL,
+
+        /* flexcan0 */
+        MX28_PAD_GPMI_RDY2__CAN0_TX,
+        MX28_PAD_GPMI_RDY3__CAN0_RX,
+        /* flexcan1 */
+        MX28_PAD_GPMI_CE2N__CAN1_TX,
+        MX28_PAD_GPMI_CE3N__CAN1_RX,
+        /* transceiver power control */
+        MX28_PAD_SSP1_CMD__GPIO_2_13,
+
+        /* mxsfb (lcdif) */
+        MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL,
+        MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL,
+        MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL,
+        MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL,
+        MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL,
+        /* LCD panel enable */
+        MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
+        /* backlight control */
+        MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
+        /* mmc0 */
+        MX28_PAD_SSP0_DATA0__SSP0_D0 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA1__SSP0_D1 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA2__SSP0_D2 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA3__SSP0_D3 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA4__SSP0_D4 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA5__SSP0_D5 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA6__SSP0_D6 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DATA7__SSP0_D7 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_CMD__SSP0_CMD |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_SSP0_SCK__SSP0_SCK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* write protect */
+        MX28_PAD_SSP1_SCK__GPIO_2_12 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* slot power enable */
+        MX28_PAD_PWM3__GPIO_3_28 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
+        /* mmc1 */
+        MX28_PAD_GPMI_D00__SSP1_D0 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D01__SSP1_D1 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D02__SSP1_D2 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D03__SSP1_D3 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D04__SSP1_D4 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D05__SSP1_D5 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D06__SSP1_D6 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_D07__SSP1_D7 |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_RDY1__SSP1_CMD |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_GPMI_RDY0__SSP1_CARD_DETECT |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        MX28_PAD_GPMI_WRN__SSP1_SCK |
+                (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* write protect */
+        MX28_PAD_GPMI_RESETN__GPIO_0_28 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+        /* slot power enable */
+        MX28_PAD_PWM4__GPIO_3_29 |
+                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
+        /* led */
+        MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
+};
+
+/* led */
+static const struct gpio_led mx28evk_leds[] __initconst = {
+        {
+                .name = "GPIO-LED",
+                .default_trigger = "heartbeat",
+                .gpio = MX28EVK_GPIO_LED,
+        },
+};
+
+static const struct gpio_led_platform_data mx28evk_led_data __initconst = {
+        .leds = mx28evk_leds,
+        .num_leds = ARRAY_SIZE(mx28evk_leds),
+};
+
+/* fec */
+static void __init mx28evk_fec_reset(void)
+{
+        int ret;
+        struct clk *clk;
+
+        /* Enable fec phy clock */
+        clk = clk_get_sys("pll2", NULL);
+        if (!IS_ERR(clk))
+                clk_enable(clk);
+
+        /* Power up fec phy */
+        ret = gpio_request(MX28EVK_FEC_PHY_POWER, "fec-phy-power");
+        if (ret) {
+                pr_err("Failed to request gpio fec-phy-%s: %d\n", "power", ret);
+                return;
+        }
+
+        ret = gpio_direction_output(MX28EVK_FEC_PHY_POWER, 0);
+        if (ret) {
+                pr_err("Failed to drive gpio fec-phy-%s: %d\n", "power", ret);
+                return;
+        }
+
+        /* Reset fec phy */
+        ret = gpio_request(MX28EVK_FEC_PHY_RESET, "fec-phy-reset");
+        if (ret) {
+                pr_err("Failed to request gpio fec-phy-%s: %d\n", "reset", ret);
+                return;
+        }
+
+        gpio_direction_output(MX28EVK_FEC_PHY_RESET, 0);
+        if (ret) {
+                pr_err("Failed to drive gpio fec-phy-%s: %d\n", "reset", ret);
+                return;
+        }
+
+        mdelay(1);
+        gpio_set_value(MX28EVK_FEC_PHY_RESET, 1);
+}
+
+static struct fec_platform_data mx28_fec_pdata[] __initdata = {
+        {
+                /* fec0 */
+                .phy = PHY_INTERFACE_MODE_RMII,
+        }, {
+                /* fec1 */
+                .phy = PHY_INTERFACE_MODE_RMII,
+        },
+};
+
+static int __init mx28evk_fec_get_mac(void)
+{
+        int i;
+        u32 val;
+        const u32 *ocotp = mxs_get_ocotp();
+
+        if (!ocotp)
+                goto error;
+
+        /*
+         * OCOTP only stores the last 4 octets for each mac address,
+         * so hard-code Freescale OUI (00:04:9f) here.
+         */
+        for (i = 0; i < 2; i++) {
+                val = ocotp[i * 4];
+                mx28_fec_pdata[i].mac[0] = 0x00;
+                mx28_fec_pdata[i].mac[1] = 0x04;
+                mx28_fec_pdata[i].mac[2] = 0x9f;
+                mx28_fec_pdata[i].mac[3] = (val >> 16) & 0xff;
+                mx28_fec_pdata[i].mac[4] = (val >> 8) & 0xff;
+                mx28_fec_pdata[i].mac[5] = (val >> 0) & 0xff;
+        }
+
+        return 0;
+
+error:
+        pr_err("%s: timeout when reading fec mac from OCOTP\n", __func__);
+        return -ETIMEDOUT;
+}
+
+/*
+ * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
+ */
+static int flexcan0_en, flexcan1_en;
+
+static void mx28evk_flexcan_switch(void)
+{
+        if (flexcan0_en || flexcan1_en)
+                gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
+        else
+                gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
+}
+
+static void mx28evk_flexcan0_switch(int enable)
+{
+        flexcan0_en = enable;
+        mx28evk_flexcan_switch();
+}
+
+static void mx28evk_flexcan1_switch(int enable)
+{
+        flexcan1_en = enable;
+        mx28evk_flexcan_switch();
+}
+
+static const struct flexcan_platform_data
+                mx28evk_flexcan_pdata[] __initconst = {
+        {
+                .transceiver_switch = mx28evk_flexcan0_switch,
+        }, {
+                .transceiver_switch = mx28evk_flexcan1_switch,
+        }
+};
+
+/* mxsfb (lcdif) */
+static struct fb_videomode mx28evk_video_modes[] = {
+        {
+                .name           = "Seiko-43WVF1G",
+                .refresh        = 60,
+                .xres           = 800,
+                .yres           = 480,
+                .pixclock       = 29851, /* picosecond (33.5 MHz) */
+                .left_margin    = 89,
+                .right_margin   = 164,
+                .upper_margin   = 23,
+                .lower_margin   = 10,
+                .hsync_len      = 10,
+                .vsync_len      = 10,
+                .sync           = FB_SYNC_DATA_ENABLE_HIGH_ACT |
+                                  FB_SYNC_DOTCLK_FAILING_ACT,
+        },
+};
+
+static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
+        .mode_list      = mx28evk_video_modes,
+        .mode_count     = ARRAY_SIZE(mx28evk_video_modes),
+        .default_bpp    = 32,
+        .ld_intf_width  = STMLCDIF_24BIT,
+};
+
+static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = {
+        {
+                /* mmc0 */
+                .wp_gpio = MX28EVK_MMC0_WRITE_PROTECT,
+                .flags = SLOTF_8_BIT_CAPABLE,
+        }, {
+                /* mmc1 */
+                .wp_gpio = MX28EVK_MMC1_WRITE_PROTECT,
+                .flags = SLOTF_8_BIT_CAPABLE,
+        },
+};
+
+static void __init mx28evk_init(void)
+{
+        int ret;
+
+        mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
+
+        mx28_add_duart();
+        mx28_add_auart0();
+        mx28_add_auart3();
+
+        if (mx28evk_fec_get_mac())
+                pr_warn("%s: failed on fec mac setup\n", __func__);
+
+        mx28evk_fec_reset();
+        mx28_add_fec(0, &mx28_fec_pdata[0]);
+        mx28_add_fec(1, &mx28_fec_pdata[1]);
+
+        ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
+                                "flexcan-switch");
+        if (ret) {
+                pr_err("failed to request gpio flexcan-switch: %d\n", ret);
+        } else {
+                mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
+                mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
+        }
+
+        ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
+        if (ret)
+                pr_warn("failed to request gpio lcd-enable: %d\n", ret);
+        else
+                gpio_set_value(MX28EVK_LCD_ENABLE, 1);
+
+        ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
+        if (ret)
+                pr_warn("failed to request gpio bl-enable: %d\n", ret);
+        else
+                gpio_set_value(MX28EVK_BL_ENABLE, 1);
+
+        mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
+
+        /* power on mmc slot by writing 0 to the gpio */
+        ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
+                               "mmc0-slot-power");
+        if (ret)
+                pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);
+        mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]);
+
+        ret = gpio_request_one(MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW,
+                               "mmc1-slot-power");
+        if (ret)
+                pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
+        mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
+
+        gpio_led_register_device(0, &mx28evk_led_data);
+}
+
+static void __init mx28evk_timer_init(void)
+{
+        mx28_clocks_init();
+}
+
+static struct sys_timer mx28evk_timer = {
+        .init   = mx28evk_timer_init,
+};
+
+MACHINE_START(MX28EVK, "Freescale MX28 EVK")
+        /* Maintainer: Freescale Semiconductor, Inc. */
+        .map_io         = mx28_map_io,
+        .init_irq       = mx28_init_irq,
+        .init_machine   = mx28evk_init,
+        .timer          = &mx28evk_timer,
+MACHINE_END