--- /dev/null
+/*
+ * (C) Copyright 2010
+ * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
+ *
+ * (C) Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux-mx51.h>
+#include <asm/gpio.h>
+#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <power/pmic.h>
+#include <fsl_esdhc.h>
+#include <fsl_pmic.h>
+#include <mc13892.h>
+#include <linux/fb.h>
+
+#include <ipu_pixfmt.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct fb_videomode const nec_nl6448bc26_09c = {
+ "NEC_NL6448BC26-09C",
+ 60, /* Refresh */
+ 640, /* xres */
+ 480, /* yres */
+ 37650, /* pixclock = 26.56Mhz */
+ 48, /* left margin */
+ 16, /* right margin */
+ 31, /* upper margin */
+ 12, /* lower margin */
+ 96, /* hsync-len */
+ 2, /* vsync-len */
+ 0, /* sync */
+ FB_VMODE_NONINTERLACED, /* vmode */
+ 0, /* flag */
+};
+
+#ifdef CONFIG_HW_WATCHDOG
+#include <watchdog.h>
+void hw_watchdog_reset(void)
+{
+ int val;
+
+ /* toggle watchdog trigger pin */
+ val = gpio_get_value(IMX_GPIO_NR(3, 2));
+ val = val ? 0 : 1;
+ gpio_set_value(IMX_GPIO_NR(3, 2), val);
+}
+#endif
+
+static void init_drive_strength(void)
+{
+ static const iomux_v3_cfg_t ddr_pads[] = {
+ NEW_PAD_CTRL(MX51_GRP_PKEDDR, 0),
+ NEW_PAD_CTRL(MX51_GRP_PKEADDR, PAD_CTL_PKE),
+ NEW_PAD_CTRL(MX51_GRP_DDRAPKS, 0),
+ NEW_PAD_CTRL(MX51_GRP_DDRAPUS, PAD_CTL_PUS_100K_UP),
+ NEW_PAD_CTRL(MX51_GRP_DDR_SR_A1, PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_GRP_DDR_A0, PAD_CTL_DSE_HIGH),
+ NEW_PAD_CTRL(MX51_GRP_DDR_A1, PAD_CTL_DSE_HIGH),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_RAS__DRAM_RAS,
+ PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_CAS__DRAM_CAS,
+ PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_GRP_PKEDDR, PAD_CTL_PKE),
+ NEW_PAD_CTRL(MX51_GRP_DDRPKS, 0),
+ NEW_PAD_CTRL(MX51_GRP_HYSDDR0, 0),
+ NEW_PAD_CTRL(MX51_GRP_HYSDDR1, 0),
+ NEW_PAD_CTRL(MX51_GRP_HYSDDR2, 0),
+ NEW_PAD_CTRL(MX51_GRP_HYSDDR3, 0),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_SR_B0, PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_SR_B1, PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_SR_B2, PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_SR_B4, PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_GRP_DDRPUS, PAD_CTL_PUS_100K_UP),
+ NEW_PAD_CTRL(MX51_GRP_INMODE1, 0),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_B0, PAD_CTL_DSE_MED),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_B1, PAD_CTL_DSE_MED),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_B2, PAD_CTL_DSE_MED),
+ NEW_PAD_CTRL(MX51_GRP_DRAM_B4, PAD_CTL_DSE_MED),
+
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDWE__DRAM_SDWE, MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDCKE0__DRAM_SDCKE0,
+ MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDCKE1__DRAM_SDCKE1,
+ MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDCLK__DRAM_SDCLK,
+ MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDQS0__DRAM_SDQS0,
+ MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDQS1__DRAM_SDQS1,
+ MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDQS2__DRAM_SDQS2,
+ MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_SDQS3__DRAM_SDQS3,
+ MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_CS0__DRAM_CS0, MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_CS1__DRAM_CS1, MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_DQM0__DRAM_DQM0, MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_DQM1__DRAM_DQM1, MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_DQM2__DRAM_DQM2, MX51_GPIO_PAD_CTRL),
+ NEW_PAD_CTRL(MX51_PAD_DRAM_DQM3__DRAM_DQM3, MX51_GPIO_PAD_CTRL),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(ddr_pads, ARRAY_SIZE(ddr_pads));
+}
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1,
+ PHYS_SDRAM_1_SIZE);
+
+ return 0;
+}
+
+static void setup_weim(void)
+{
+ struct weim *pweim = (struct weim *)WEIM_BASE_ADDR;
+
+ pweim->cs0gcr1 = 0x004100b9;
+ pweim->cs0gcr2 = 0x00000001;
+ pweim->cs0rcr1 = 0x0a018000;
+ pweim->cs0rcr2 = 0;
+ pweim->cs0wcr1 = 0x0704a240;
+}
+
+static void setup_uart(void)
+{
+ static const iomux_v3_cfg_t uart_pads[] = {
+ MX51_PAD_EIM_D25__UART3_RXD, /* console RX */
+ MX51_PAD_EIM_D26__UART3_TXD, /* console TX */
+ };
+
+ imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
+}
+
+#ifdef CONFIG_MXC_SPI
+void spi_io_init(void)
+{
+ static const iomux_v3_cfg_t spi_pads[] = {
+ NEW_PAD_CTRL(MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI, PAD_CTL_HYS |
+ PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_CSPI1_MISO__ECSPI1_MISO, PAD_CTL_HYS |
+ PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_CSPI1_SS0__ECSPI1_SS0, PAD_CTL_HYS |
+ PAD_CTL_PKE | PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_CSPI1_SS1__ECSPI1_SS1, PAD_CTL_HYS |
+ PAD_CTL_PKE | PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_DI1_PIN11__ECSPI1_SS2, PAD_CTL_HYS |
+ PAD_CTL_PKE | PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK, PAD_CTL_HYS |
+ PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(spi_pads, ARRAY_SIZE(spi_pads));
+}
+
+static void reset_peripherals(int reset)
+{
+#ifdef CONFIG_VISION2_HW_1_0
+ static const iomux_v3_cfg_t fec_cfg_pads[] = {
+ /* RXD1 */
+ NEW_PAD_CTRL(MX51_PAD_EIM_EB3__GPIO2_23, NO_PAD_CTRL),
+ /* RXD2 */
+ NEW_PAD_CTRL(MX51_PAD_EIM_CS2__GPIO2_27, NO_PAD_CTRL),
+ /* RXD3 */
+ NEW_PAD_CTRL(MX51_PAD_EIM_CS3__GPIO2_28, NO_PAD_CTRL),
+ /* RXER */
+ NEW_PAD_CTRL(MX51_PAD_EIM_CS4__GPIO2_29, NO_PAD_CTRL),
+ /* COL */
+ NEW_PAD_CTRL(MX51_PAD_NANDF_RB2__GPIO3_10, NO_PAD_CTRL),
+ /* RCLK */
+ NEW_PAD_CTRL(MX51_PAD_NANDF_RB3__GPIO3_11, NO_PAD_CTRL),
+ /* RXD0 */
+ NEW_PAD_CTRL(MX51_PAD_NANDF_D9__GPIO3_31, NO_PAD_CTRL),
+ };
+
+ static const iomux_v3_cfg_t fec_pads[] = {
+ NEW_PAD_CTRL(MX51_PAD_EIM_CS3__FEC_RDATA3, MX51_PAD_CTRL_2),
+ NEW_PAD_CTRL(MX51_PAD_EIM_CS2__FEC_RDATA2, MX51_PAD_CTRL_2),
+ NEW_PAD_CTRL(MX51_PAD_EIM_EB3__FEC_RDATA1, MX51_PAD_CTRL_2),
+ MX51_PAD_NANDF_D9__FEC_RDATA0,
+ NEW_PAD_CTRL(MX51_PAD_NANDF_RB3__FEC_RX_CLK, MX51_PAD_CTRL_4),
+ MX51_PAD_EIM_CS4__FEC_RX_ER,
+ NEW_PAD_CTRL(MX51_PAD_NANDF_RB2__FEC_COL, MX51_PAD_CTRL_4),
+ };
+#endif
+
+ if (reset) {
+
+ /* reset_n is on NANDF_D15 */
+ gpio_direction_output(IMX_GPIO_NR(3, 25), 0);
+
+#ifdef CONFIG_VISION2_HW_1_0
+ /*
+ * set FEC Configuration lines
+ * set levels of FEC config lines
+ */
+ gpio_direction_output(IMX_GPIO_NR(3, 11), 0);
+ gpio_direction_output(IMX_GPIO_NR(3, 10), 1);
+ gpio_direction_output(IMX_GPIO_NR(3, 31), 1);
+
+ /* set direction of FEC config lines */
+ gpio_direction_output(IMX_GPIO_NR(2, 27), 0);
+ gpio_direction_output(IMX_GPIO_NR(2, 28), 0);
+ gpio_direction_output(IMX_GPIO_NR(2, 29), 0);
+ gpio_direction_output(IMX_GPIO_NR(2, 23), 1);
+
+ imx_iomux_v3_setup_multiple_pads(fec_cfg_pads,
+ ARRAY_SIZE(fec_cfg_pads));
+#endif
+
+ /* activate reset_n pin */
+ imx_iomux_v3_setup_pad(
+ NEW_PAD_CTRL(MX51_PAD_NANDF_D15__GPIO3_25,
+ PAD_CTL_DSE_MAX));
+ } else {
+ /* set FEC Control lines */
+ gpio_direction_input(IMX_GPIO_NR(3, 25));
+ udelay(500);
+
+#ifdef CONFIG_VISION2_HW_1_0
+ imx_iomux_v3_setup_multiple_pads(fec_pads,
+ ARRAY_SIZE(fec_pads));
+#endif
+ }
+}
+
+static void power_init_mx51(void)
+{
+ unsigned int val;
+ struct pmic *p;
+ int ret;
+
+ ret = pmic_init(I2C_PMIC);
+ if (ret)
+ return;
+
+ p = pmic_get("FSL_PMIC");
+ if (!p)
+ return;
+
+ /* Write needed to Power Gate 2 register */
+ pmic_reg_read(p, REG_POWER_MISC, &val);
+
+ /* enable VCAM with 2.775V to enable read from PMIC */
+ val = VCAMCONFIG | VCAMEN;
+ pmic_reg_write(p, REG_MODE_1, val);
+
+ /*
+ * Set switchers in Auto in NORMAL mode & STANDBY mode
+ * Setup the switcher mode for SW1 & SW2
+ */
+ pmic_reg_read(p, REG_SW_4, &val);
+ val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) |
+ (SWMODE_MASK << SWMODE2_SHIFT)));
+ val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) |
+ (SWMODE_AUTO_AUTO << SWMODE2_SHIFT);
+ pmic_reg_write(p, REG_SW_4, val);
+
+ /* Setup the switcher mode for SW3 & SW4 */
+ pmic_reg_read(p, REG_SW_5, &val);
+ val &= ~((SWMODE_MASK << SWMODE4_SHIFT) |
+ (SWMODE_MASK << SWMODE3_SHIFT));
+ val |= (SWMODE_AUTO_AUTO << SWMODE4_SHIFT) |
+ (SWMODE_AUTO_AUTO << SWMODE3_SHIFT);
+ pmic_reg_write(p, REG_SW_5, val);
+
+
+ /* Set VGEN3 to 1.8V, VCAM to 3.0V */
+ pmic_reg_read(p, REG_SETTING_0, &val);
+ val &= ~(VCAM_MASK | VGEN3_MASK);
+ val |= VCAM_3_0;
+ pmic_reg_write(p, REG_SETTING_0, val);
+
+ /* Set VVIDEO to 2.775V, VAUDIO to 3V0, VSD to 1.8V */
+ pmic_reg_read(p, REG_SETTING_1, &val);
+ val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK);
+ val |= VVIDEO_2_775 | VAUDIO_3_0 | VSD_1_8;
+ pmic_reg_write(p, REG_SETTING_1, val);
+
+ /* Configure VGEN3 and VCAM regulators to use external PNP */
+ val = VGEN3CONFIG | VCAMCONFIG;
+ pmic_reg_write(p, REG_MODE_1, val);
+ udelay(200);
+
+ /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */
+ val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG |
+ VVIDEOEN | VAUDIOEN | VSDEN;
+ pmic_reg_write(p, REG_MODE_1, val);
+
+ pmic_reg_read(p, REG_POWER_CTL2, &val);
+ val |= WDIRESET;
+ pmic_reg_write(p, REG_POWER_CTL2, val);
+
+ udelay(2500);
+
+}
+#endif
+
+static void setup_gpios(void)
+{
+ static const iomux_v3_cfg_t gpio_pads_1[] = {
+ NEW_PAD_CTRL(MX51_PAD_GPIO1_7__GPIO1_7, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* CAM_SUP_DISn */
+ NEW_PAD_CTRL(MX51_PAD_DI1_PIN12__GPIO3_1, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* DAB Display EN */
+ NEW_PAD_CTRL(MX51_PAD_DI1_PIN13__GPIO3_2, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* WDOG_TRIGGER */
+ };
+
+ static const iomux_v3_cfg_t gpio_pads_2[] = {
+ NEW_PAD_CTRL(MX51_PAD_DI1_D0_CS__GPIO3_3, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* Display2 TxEN */
+ NEW_PAD_CTRL(MX51_PAD_DI1_D1_CS__GPIO3_4, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* DAB Light EN */
+ NEW_PAD_CTRL(MX51_PAD_DISPB2_SER_DIN__GPIO3_5, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* AUDIO_MUTE */
+ NEW_PAD_CTRL(MX51_PAD_DISPB2_SER_DIO__GPIO3_6, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* SPARE_OUT */
+ NEW_PAD_CTRL(MX51_PAD_NANDF_D14__GPIO3_26, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* BEEPER_EN */
+ NEW_PAD_CTRL(MX51_PAD_NANDF_D13__GPIO3_27, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* POWER_OFF */
+ NEW_PAD_CTRL(MX51_PAD_NANDF_D10__GPIO3_30, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* FRAM_WE */
+ NEW_PAD_CTRL(MX51_PAD_CSPI1_RDY__GPIO4_26, PAD_CTL_PKE |
+ PAD_CTL_DSE_MED), /* EXPANSION_EN */
+ MX51_PAD_GPIO1_2__PWM1_PWMO,
+ };
+
+ unsigned int i;
+
+ imx_iomux_v3_setup_multiple_pads(gpio_pads_1, ARRAY_SIZE(gpio_pads_1));
+
+ /* Now we need to trigger the watchdog */
+ WATCHDOG_RESET();
+
+ imx_iomux_v3_setup_multiple_pads(gpio_pads_2, ARRAY_SIZE(gpio_pads_2));
+
+ /*
+ * Set GPIO1_4 to high and output; it is used to reset
+ * the system on reboot
+ */
+ gpio_direction_output(IMX_GPIO_NR(1, 4), 1);
+
+ gpio_direction_output(IMX_GPIO_NR(1, 7), 0);
+ for (i = IMX_GPIO_NR(3, 1); i < IMX_GPIO_NR(3, 7); i++)
+ gpio_direction_output(i, 0);
+
+ gpio_direction_output(IMX_GPIO_NR(3, 30), 0);
+
+ /* Set POWER_OFF high */
+ gpio_direction_output(IMX_GPIO_NR(3, 27), 1);
+
+ gpio_direction_output(IMX_GPIO_NR(3, 26), 0);
+
+ gpio_direction_output(IMX_GPIO_NR(4, 26), 0);
+
+ gpio_direction_output(IMX_GPIO_NR(4, 25), 1);
+
+ WATCHDOG_RESET();
+}
+
+static void setup_fec(void)
+{
+ static const iomux_v3_cfg_t fec_pads[] = {
+ NEW_PAD_CTRL(MX51_PAD_EIM_EB2__FEC_MDIO, PAD_CTL_HYS |
+ PAD_CTL_PUS_22K_UP | PAD_CTL_ODE |
+ PAD_CTL_DSE_HIGH | PAD_CTL_SRE_FAST),
+ MX51_PAD_NANDF_CS3__FEC_MDC,
+ NEW_PAD_CTRL(MX51_PAD_EIM_CS3__FEC_RDATA3, MX51_PAD_CTRL_2),
+ NEW_PAD_CTRL(MX51_PAD_EIM_CS2__FEC_RDATA2, MX51_PAD_CTRL_2),
+ NEW_PAD_CTRL(MX51_PAD_EIM_EB3__FEC_RDATA1, MX51_PAD_CTRL_2),
+ MX51_PAD_NANDF_D9__FEC_RDATA0,
+ MX51_PAD_NANDF_CS6__FEC_TDATA3,
+ MX51_PAD_NANDF_CS5__FEC_TDATA2,
+ MX51_PAD_NANDF_CS4__FEC_TDATA1,
+ MX51_PAD_NANDF_D8__FEC_TDATA0,
+ MX51_PAD_NANDF_CS7__FEC_TX_EN,
+ MX51_PAD_NANDF_CS2__FEC_TX_ER,
+ MX51_PAD_NANDF_RDY_INT__FEC_TX_CLK,
+ NEW_PAD_CTRL(MX51_PAD_NANDF_RB2__FEC_COL, MX51_PAD_CTRL_4),
+ NEW_PAD_CTRL(MX51_PAD_NANDF_RB3__FEC_RX_CLK, MX51_PAD_CTRL_4),
+ MX51_PAD_EIM_CS5__FEC_CRS,
+ MX51_PAD_EIM_CS4__FEC_RX_ER,
+ NEW_PAD_CTRL(MX51_PAD_NANDF_D11__FEC_RX_DV, MX51_PAD_CTRL_4),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
+}
+
+struct fsl_esdhc_cfg esdhc_cfg[1] = {
+ {MMC_SDHC1_BASE_ADDR},
+};
+
+int get_mmc_getcd(u8 *cd, struct mmc *mmc)
+{
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+
+ if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
+ *cd = gpio_get_value(IMX_GPIO_NR(1, 0));
+ else
+ *cd = 0;
+
+ return 0;
+}
+
+#ifdef CONFIG_FSL_ESDHC
+int board_mmc_init(bd_t *bis)
+{
+ static const iomux_v3_cfg_t sd1_pads[] = {
+ NEW_PAD_CTRL(MX51_PAD_SD1_CMD__SD1_CMD, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_CLK__SD1_CLK, PAD_CTL_DSE_MAX |
+ PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA0__SD1_DATA0, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA1__SD1_DATA1, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA2__SD1_DATA2, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_SD1_DATA3__SD1_DATA3, PAD_CTL_DSE_MAX |
+ PAD_CTL_HYS | PAD_CTL_PUS_100K_DOWN | PAD_CTL_SRE_FAST),
+ NEW_PAD_CTRL(MX51_PAD_GPIO1_0__SD1_CD, PAD_CTL_HYS),
+ NEW_PAD_CTRL(MX51_PAD_GPIO1_1__SD1_WP, PAD_CTL_HYS),
+ };
+
+ imx_iomux_v3_setup_multiple_pads(sd1_pads, ARRAY_SIZE(sd1_pads));
+
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+ return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+}
+#endif
+
+void lcd_enable(void)
+{
+ static const iomux_v3_cfg_t lcd_pads[] = {
+ MX51_PAD_DI1_PIN2__DI1_PIN2,
+ MX51_PAD_DI1_PIN3__DI1_PIN3,
+ };
+
+ int ret;
+
+ imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
+
+ gpio_set_value(IMX_GPIO_NR(1, 2), 1);
+ imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_2__GPIO1_2,
+ NO_PAD_CTRL));
+
+ ret = ipuv3_fb_init(&nec_nl6448bc26_09c, 0, IPU_PIX_FMT_RGB666);
+ if (ret)
+ puts("LCD cannot be configured\n");
+}
+
+int board_early_init_f(void)
+{
+
+
+ init_drive_strength();
+
+ /* Setup debug led */
+ gpio_direction_output(IMX_GPIO_NR(1, 6), 0);
+ imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX51_PAD_GPIO1_6__GPIO1_6,
+ PAD_CTL_DSE_MAX | PAD_CTL_SRE_FAST));
+
+ /* wait a little while to give the pll time to settle */
+ sdelay(100000);
+
+ setup_weim();
+ setup_uart();
+ setup_fec();
+ setup_gpios();
+
+ spi_io_init();
+
+ return 0;
+}
+
+static void backlight(int on)
+{
+ if (on) {
+ gpio_set_value(IMX_GPIO_NR(3, 1), 1);
+ udelay(10000);
+ gpio_set_value(IMX_GPIO_NR(3, 4), 1);
+ } else {
+ gpio_set_value(IMX_GPIO_NR(3, 1), 0);
+ gpio_set_value(IMX_GPIO_NR(3, 4), 0);
+ }
+}
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ lcd_enable();
+
+ backlight(1);
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ power_init_mx51();
+
+ reset_peripherals(1);
+ udelay(2000);
+ reset_peripherals(0);
+ udelay(2000);
+
+ /* Early revisions require a second reset */
+#ifdef CONFIG_VISION2_HW_1_0
+ reset_peripherals(1);
+ udelay(2000);
+ reset_peripherals(0);
+ udelay(2000);
+#endif
+
+ return 0;
+}
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
+
+int checkboard(void)
+{
+ puts("Board: TTControl Vision II CPU V\n");
+
+ return 0;
+}
+
+int do_vision_lcd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int on;
+
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
+ on = (strcmp(argv[1], "on") == 0);
+ backlight(on);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ lcdbl, CONFIG_SYS_MAXARGS, 1, do_vision_lcd,
+ "Vision2 Backlight",
+ "lcdbl [on|off]\n"
+);
Code Review / kvmfornfv.git / blobdiff