diff options
Diffstat (limited to 'board/freescale/mx6sll_arm2/mx6sll_arm2.c')
-rw-r--r-- | board/freescale/mx6sll_arm2/mx6sll_arm2.c | 752 |
1 files changed, 752 insertions, 0 deletions
diff --git a/board/freescale/mx6sll_arm2/mx6sll_arm2.c b/board/freescale/mx6sll_arm2/mx6sll_arm2.c new file mode 100644 index 0000000..c9c568e --- /dev/null +++ b/board/freescale/mx6sll_arm2/mx6sll_arm2.c @@ -0,0 +1,752 @@ +/* + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch-mx6/clock.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/io.h> +#include <common.h> +#include <fsl_esdhc.h> +#include <i2c.h> +#include <linux/sizes.h> +#include <linux/fb.h> +#include <miiphy.h> +#include <mmc.h> +#include <mxsfb.h> +#include <netdev.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include "../common/pfuze.h" +#include <usb.h> +#include <usb/ehci-fsl.h> +#if defined(CONFIG_MXC_EPDC) +#include <lcd.h> +#include <mxc_epdc_fb.h> +#endif +#include <asm/imx-common/video.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define USDHC_PAD_CTRL_WP (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE) + +#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm) + +#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ + PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) + +#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm) + +#define EPDC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#ifdef CONFIG_SYS_I2C_MXC +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* I2C1 for PMIC and EPD */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + /* conflict with usb_otg2_pwr */ + .i2c_mode = MX6_PAD_I2C1_SCL__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_I2C1_SCL__GPIO3_IO12 | PC, + .gp = IMX_GPIO_NR(3, 12), + }, + .sda = { + /* conflict with usb_otg2_oc */ + .i2c_mode = MX6_PAD_I2C1_SDA__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_I2C1_SDA__GPIO3_IO13 | PC, + .gp = IMX_GPIO_NR(3, 13), + }, +}; + +/* I2C2 for LCD and ADV */ +struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_I2C2_SCL__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_I2C2_SCL__GPIO3_IO14 | PC, + .gp = IMX_GPIO_NR(3, 14), + }, + .sda = { + .i2c_mode = MX6_PAD_I2C2_SDA__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_I2C2_SDA__GPIO3_IO15 | PC, + .gp = IMX_GPIO_NR(3, 15), + }, +}; + +#endif + +int dram_init(void) +{ + gd->ram_size = PHYS_SDRAM_SIZE; + + return 0; +} + +static iomux_v3_cfg_t const wdog_pads[] = { + MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const led_pads[] = { + MX6_PAD_EPDC_VCOM1__GPIO2_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_UART1_TXD__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_UART1_RXD__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +/* 8bit SD1 */ +static iomux_v3_cfg_t const usdhc1_pads[] = { + MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA4__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA5__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA6__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD1_DATA7__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* CD */ + MX6_PAD_KEY_ROW7__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), + /* WP */ + MX6_PAD_GPIO4_IO22__SD1_WP | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +/* EMMC */ +static iomux_v3_cfg_t const usdhc2_pads[] = { + MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD2_DATA7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* DQS */ + MX6_PAD_GPIO4_IO21__SD2_STROBE | MUX_PAD_CTRL(NO_PAD_CTRL), + /* RST_B */ + MX6_PAD_SD2_RESET__GPIO4_IO27 | MUX_PAD_CTRL(USDHC_PAD_CTRL | PAD_CTL_LVE), +}; + +/* Wifi SD */ +static iomux_v3_cfg_t const usdhc3_pads[] = { + MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + + /* CD */ + MX6_PAD_REF_CLK_32K__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); + + imx_iomux_v3_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads)); +} + +#ifdef CONFIG_FSL_ESDHC +static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { + {USDHC1_BASE_ADDR, 0, 8, 1}, + {USDHC2_BASE_ADDR, 0, 8, 0, 1}, /* fixed 1.8v IO voltage for eMMC chip */ + {USDHC3_BASE_ADDR, 0, 4}, +}; + +#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7) +#define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 27) +#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 22) + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +int mmc_map_to_kernel_blk(int devno) +{ + return devno; +} + +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret = 0; + + switch (cfg->esdhc_base) { + case USDHC1_BASE_ADDR: + ret = !gpio_get_value(USDHC1_CD_GPIO); + break; + case USDHC2_BASE_ADDR: + ret = 1; + break; + case USDHC3_BASE_ADDR: + ret = !gpio_get_value(USDHC3_CD_GPIO); + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ + int i; + + /* + * According to the board_mmc_init() the following map is done: + * (U-boot device node) (Physical Port) + * mmc0 USDHC1 + * mmc1 USDHC2 + * mmc2 USDHC3 + */ + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { + switch (i) { + case 0: + imx_iomux_v3_setup_multiple_pads( + usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); + gpio_direction_input(USDHC1_CD_GPIO); + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + gpio_direction_output(USDHC2_PWR_GPIO, 1); + break; + case 2: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + gpio_direction_input(USDHC3_CD_GPIO); + usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + break; + default: + printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1); + return 0; + } + + if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) + printf("Warning: failed to initialize mmc dev %d\n", i); + } + + return 0; +} +#endif + +#ifdef CONFIG_POWER +#define I2C_PMIC 0 +static struct pmic *pfuze; +int power_init_board(void) +{ + int ret; + u32 rev_id, value; + + ret = power_pfuze100_init(I2C_PMIC); + if (ret) + return ret; + + pfuze = pmic_get("PFUZE100"); + if (!pfuze) + return -ENODEV; + + ret = pmic_probe(pfuze); + if (ret) + return ret; + + ret = pfuze_mode_init(pfuze, APS_PFM); + if (ret < 0) + return ret; + + pmic_reg_read(pfuze, PFUZE100_DEVICEID, &value); + pmic_reg_read(pfuze, PFUZE100_REVID, &rev_id); + printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", value, rev_id); + + /* set SW1AB standby volatage 0.975V */ + pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, &value); + value &= ~0x3f; + value |= PFUZE100_SW1ABC_SETP(9750); + pmic_reg_write(pfuze, PFUZE100_SW1ABSTBY, value); + + /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(pfuze, PFUZE100_SW1ABCONF, &value); + value &= ~0xc0; + value |= 0x40; + pmic_reg_write(pfuze, PFUZE100_SW1ABCONF, value); + + /* set SW1C staby volatage 0.975V */ + pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, &value); + value &= ~0x3f; + value |= 0x1b; + pmic_reg_write(pfuze, PFUZE100_SW1CSTBY, value); + + /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ + pmic_reg_read(pfuze, PFUZE100_SW1CCONF, &value); + value &= ~0xc0; + value |= 0x40; + pmic_reg_write(pfuze, PFUZE100_SW1CCONF, value); + + return 0; +} +#endif + +#ifdef CONFIG_MXC_SPI +iomux_v3_cfg_t const ecspi1_pads[] = { + MX6_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + + /* CS0 */ + MX6_PAD_ECSPI1_SS0__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +void setup_spinor(void) +{ + imx_iomux_v3_setup_multiple_pads(ecspi1_pads, + ARRAY_SIZE(ecspi1_pads)); + gpio_direction_output(IMX_GPIO_NR(4, 11), 0); +} + +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 11)) : -1; +} +#endif + +#ifdef CONFIG_VIDEO_MXS +static iomux_v3_cfg_t const lcd_pads[] = { + MX6_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA00__LCD_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA01__LCD_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA02__LCD_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA03__LCD_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA04__LCD_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA05__LCD_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA06__LCD_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA07__LCD_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA08__LCD_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA09__LCD_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_ECSPI1_SCLK__GPIO4_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_LCD_RESET__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* Use GPIO for Brightness adjustment, duty cycle = period */ + MX6_PAD_PWM1__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +void do_enable_parallel_lcd(struct display_info_t const *dev) + +{ + int ret; + + ret = enable_lcdif_clock(dev->bus); + if (ret) { + printf("Enable LCDIF clock failed, %d\n", ret); + return; + } + + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); + + /* Reset the LCD */ + gpio_direction_output(IMX_GPIO_NR(2, 19) , 0); + udelay(500); + gpio_direction_output(IMX_GPIO_NR(2, 19) , 1); + + gpio_direction_output(IMX_GPIO_NR(4, 8) , 1); + + /* Set Brightness to high */ + gpio_direction_output(IMX_GPIO_NR(3, 23) , 1); +} + +struct display_info_t const displays[] = {{ + .bus = MX6SLL_LCDIF_BASE_ADDR, + .addr = 0, + .pixfmt = 24, + .detect = NULL, + .enable = do_enable_parallel_lcd, + .mode = { + .name = "MCIMX28LCD", + .xres = 800, + .yres = 480, + .pixclock = 29850, + .left_margin = 89, + .right_margin = 164, + .upper_margin = 23, + .lower_margin = 10, + .hsync_len = 10, + .vsync_len = 10, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED +} } }; +size_t display_count = ARRAY_SIZE(displays); +#endif + +#ifdef CONFIG_MXC_EPDC +static iomux_v3_cfg_t const epdc_enable_pads[] = { + MX6_PAD_EPDC_DATA00__EPDC_DATA00 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA01__EPDC_DATA01 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA02__EPDC_DATA02 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA03__EPDC_DATA03 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA04__EPDC_DATA04 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA05__EPDC_DATA05 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA06__EPDC_DATA06 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA07__EPDC_DATA07 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA08__EPDC_DATA08 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA09__EPDC_DATA09 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA10__EPDC_DATA10 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA11__EPDC_DATA11 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA12__EPDC_DATA12 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA13__EPDC_DATA13 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA14__EPDC_DATA14 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_DATA15__EPDC_DATA15 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_SDCLK__EPDC_SDCLK_P | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_SDLE__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_SDOE__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_SDSHR__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_SDCE0__EPDC_SDCE0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_GDCLK__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_GDOE__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_GDRL__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX6_PAD_EPDC_GDSP__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL), +}; + +static iomux_v3_cfg_t const epdc_disable_pads[] = { + MX6_PAD_EPDC_DATA01__GPIO1_IO08, + MX6_PAD_EPDC_DATA02__GPIO1_IO09, + MX6_PAD_EPDC_DATA03__GPIO1_IO10, + MX6_PAD_EPDC_DATA04__GPIO1_IO11, + MX6_PAD_EPDC_DATA05__GPIO1_IO12, + MX6_PAD_EPDC_DATA06__GPIO1_IO13, + MX6_PAD_EPDC_DATA07__GPIO1_IO14, + MX6_PAD_EPDC_DATA08__GPIO1_IO15, + MX6_PAD_EPDC_DATA09__GPIO1_IO16, + MX6_PAD_EPDC_DATA10__GPIO1_IO17, + MX6_PAD_EPDC_DATA11__GPIO1_IO18, + MX6_PAD_EPDC_DATA12__GPIO1_IO19, + MX6_PAD_EPDC_DATA13__GPIO1_IO20, + MX6_PAD_EPDC_DATA14__GPIO1_IO21, + MX6_PAD_EPDC_DATA15__GPIO1_IO22, + MX6_PAD_EPDC_SDCLK__GPIO1_IO23, + MX6_PAD_EPDC_SDLE__GPIO1_IO24, + MX6_PAD_EPDC_SDOE__GPIO1_IO25, + MX6_PAD_EPDC_SDSHR__GPIO1_IO26, + MX6_PAD_EPDC_SDCE0__GPIO1_IO27, + MX6_PAD_EPDC_GDCLK__GPIO1_IO31, + MX6_PAD_EPDC_GDOE__GPIO2_IO00, + MX6_PAD_EPDC_GDRL__GPIO2_IO01, + MX6_PAD_EPDC_GDSP__GPIO2_IO02, +}; + +vidinfo_t panel_info = { + .vl_refresh = 85, + .vl_col = 1024, + .vl_row = 758, + .vl_pixclock = 40000000, + .vl_left_margin = 12, + .vl_right_margin = 76, + .vl_upper_margin = 4, + .vl_lower_margin = 5, + .vl_hsync = 12, + .vl_vsync = 2, + .vl_sync = 0, + .vl_mode = 0, + .vl_flag = 0, + .vl_bpix = 3, + .cmap = 0, +}; + +struct epdc_timing_params panel_timings = { + .vscan_holdoff = 4, + .sdoed_width = 10, + .sdoed_delay = 20, + .sdoez_width = 10, + .sdoez_delay = 20, + .gdclk_hp_offs = 524, + .gdsp_offs = 327, + .gdoe_offs = 0, + .gdclk_offs = 19, + .num_ce = 1, +}; + +static void setup_epdc_power(void) +{ + /* Setup epdc voltage */ + + /* EPDC_PWRSTAT - GPIO2[13] for PWR_GOOD status */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_STAT__GPIO2_IO13 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + gpio_direction_input(IMX_GPIO_NR(2, 13)); + + /* EPDC_VCOM0 - GPIO2[03] for VCOM control */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO2_IO03 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* Set as output */ + gpio_direction_output(IMX_GPIO_NR(2, 3), 1); + + /* EPDC_PWRWAKEUP - GPIO2[14] for EPD PMIC WAKEUP */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_WAKE__GPIO2_IO14 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + /* Set as output */ + gpio_direction_output(IMX_GPIO_NR(2, 14), 1); + + /* EPDC_PWRCTRL0 - GPIO2[07] for EPD PWR CTL0 */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_CTRL0__GPIO2_IO07 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + /* Set as output */ + gpio_direction_output(IMX_GPIO_NR(2, 7), 1); +} + +static void epdc_enable_pins(void) +{ + /* epdc iomux settings */ + imx_iomux_v3_setup_multiple_pads(epdc_enable_pads, + ARRAY_SIZE(epdc_enable_pads)); +} + +static void epdc_disable_pins(void) +{ + /* Configure MUX settings for EPDC pins to GPIO and drive to 0 */ + imx_iomux_v3_setup_multiple_pads(epdc_disable_pads, + ARRAY_SIZE(epdc_disable_pads)); +} + +static void setup_epdc(void) +{ + /*** epdc Maxim PMIC settings ***/ + + /* EPDC_PWRSTAT - GPIO2[13] for PWR_GOOD status */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_STAT__GPIO2_IO13 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* EPDC_VCOM0 - GPIO2[03] for VCOM control */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO2_IO03 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* EPDC_PWRWAKEUP - GPIO2[14] for EPD PMIC WAKEUP */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_WAKE__GPIO2_IO14 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* EPDC_PWRCTRL0 - GPIO2[07] for EPD PWR CTL0 */ + imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_CTRL0__GPIO2_IO07 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* Set pixel clock rates for EPDC in clock.c */ + + panel_info.epdc_data.wv_modes.mode_init = 0; + panel_info.epdc_data.wv_modes.mode_du = 1; + panel_info.epdc_data.wv_modes.mode_gc4 = 3; + panel_info.epdc_data.wv_modes.mode_gc8 = 2; + panel_info.epdc_data.wv_modes.mode_gc16 = 2; + panel_info.epdc_data.wv_modes.mode_gc32 = 2; + + panel_info.epdc_data.epdc_timings = panel_timings; + + setup_epdc_power(); +} + +void epdc_power_on(void) +{ + unsigned int reg; + struct gpio_regs *gpio_regs = (struct gpio_regs *)GPIO2_BASE_ADDR; + + /* Set EPD_PWR_CTL0 to high - enable EINK_VDD (3.15) */ + gpio_set_value(IMX_GPIO_NR(2, 7), 1); + udelay(1000); + + /* Enable epdc signal pin */ + epdc_enable_pins(); + + /* Set PMIC Wakeup to high - enable Display power */ + gpio_set_value(IMX_GPIO_NR(2, 14), 1); + + /* Wait for PWRGOOD == 1 */ + while (1) { + reg = readl(&gpio_regs->gpio_psr); + if (!(reg & (1 << 13))) + break; + + udelay(100); + } + + /* Enable VCOM */ + gpio_set_value(IMX_GPIO_NR(2, 3), 1); + + udelay(500); +} + +void epdc_power_off(void) +{ + /* Set PMIC Wakeup to low - disable Display power */ + gpio_set_value(IMX_GPIO_NR(2, 14), 0); + + /* Disable VCOM */ + gpio_set_value(IMX_GPIO_NR(2, 3), 0); + + epdc_disable_pins(); + + /* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */ + gpio_set_value(IMX_GPIO_NR(2, 7), 0); +} +#endif + + +#ifdef CONFIG_USB_EHCI_MX6 +#define USB_OTHERREGS_OFFSET 0x800 +#define UCTRL_PWR_POL (1 << 9) +iomux_v3_cfg_t const usb_otg1_pads[] = { + MX6_PAD_KEY_COL4__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_KEY_ROW4__USB_OTG1_OC | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_EPDC_PWR_COM__USB_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL), +}; + +iomux_v3_cfg_t const usb_otg2_pads[] = { + MX6_PAD_KEY_COL5__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_ECSPI2_SCLK__USB_OTG2_OC | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_EPDC_PWR_IRQ__USB_OTG2_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL), +}; + +int board_usb_phy_mode(int port) +{ + return usb_phy_mode(port); +} + +int board_ehci_hcd_init(int port) +{ + u32 *usbnc_usb_ctrl; + + if (port > 1) + return -EINVAL; + + switch (port) { + case 0: + imx_iomux_v3_setup_multiple_pads(usb_otg1_pads, + ARRAY_SIZE(usb_otg1_pads)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads(usb_otg2_pads, + ARRAY_SIZE(usb_otg2_pads)); + break; + default: + printf("MXC USB port %d not yet supported\n", port); + return 1; + } + + usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + + port * 4); + + /* Set Power polarity */ + setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); + + return 0; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + enable_uart_clk(true); + return 0; +} + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_SYS_I2C_MXC + setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); +#endif + +#ifdef CONFIG_MXC_SPI + setup_spinor(); +#endif + +#ifdef CONFIG_MXC_EPDC + enable_epdc_clock(); + setup_epdc(); +#endif + + return 0; +} + +int board_late_init(void) +{ +#ifdef CONFIG_ENV_IS_IN_MMC + board_late_mmc_env_init(); +#endif + + imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); + + set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR); + + return 0; +} + +u32 get_board_rev(void) +{ + return get_cpu_rev(); +} + +int checkboard(void) +{ +#ifdef CONFIG_LPDDR2 + puts("Board: MX6SLL LPDDR2 ARM2\n"); +#else + puts("Board: MX6SLL LPDDR3 ARM2\n"); +#endif + + return 0; +} |