diff options
Diffstat (limited to 'qemu/roms/u-boot/board/ttcontrol/vision2/vision2.c')
| -rw-r--r-- | qemu/roms/u-boot/board/ttcontrol/vision2/vision2.c | 566 |
1 files changed, 566 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/ttcontrol/vision2/vision2.c b/qemu/roms/u-boot/board/ttcontrol/vision2/vision2.c new file mode 100644 index 000000000..b4d399415 --- /dev/null +++ b/qemu/roms/u-boot/board/ttcontrol/vision2/vision2.c @@ -0,0 +1,566 @@ +/* + * (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" +); |