diff options
Diffstat (limited to 'board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c')
| -rw-r--r-- | board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c | 659 |
1 files changed, 659 insertions, 0 deletions
diff --git a/board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c b/board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c new file mode 100644 index 0000000..4f8425e --- /dev/null +++ b/board/freescale/mx7d_12x12_lpddr3_arm2/mx7d_12x12_lpddr3_arm2.c @@ -0,0 +1,659 @@ +/* + * Copyright (C) 2014-2015 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/mx7-pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/io.h> +#include <linux/sizes.h> +#include <common.h> +#include <fsl_esdhc.h> +#include <mmc.h> +#include <miiphy.h> +#include <netdev.h> +#include <power/pmic.h> +#include <power/pfuze3000_pmic.h> +#include "../common/pfuze.h" +#include <asm/arch/crm_regs.h> +#include <asm/imx-common/video.h> + +#ifdef CONFIG_VIDEO_MXS +#include <linux/fb.h> +#endif +#if defined(CONFIG_MXC_EPDC) +#include <lcd.h> +#include <mxc_epdc_fb.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \ + PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) + +#define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_98OHM) +#define ENET_PAD_CTRL_MII (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_98OHM) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_98OHM) + +#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ + PAD_CTL_DSE_3P3V_49OHM) + +#define QSPI_PAD_CTRL \ + (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) + +#define SPI_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) + +#define EPDC_PAD_CTRL 0x0 + +int dram_init(void) +{ + gd->ram_size = PHYS_SDRAM_SIZE; + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +#ifdef CONFIG_VIDEO_MXS +static iomux_v3_cfg_t const lcd_pads[] = { + MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), + + MX7D_PAD_LCD_RESET__GPIO3_IO4 | MUX_PAD_CTRL(LCD_PAD_CTRL), +}; + +static iomux_v3_cfg_t const pwm_pads[] = { + /* Use GPIO for Brightness adjustment, duty cycle = period */ + MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +void do_enable_parallel_lcd(struct display_info_t const *dev) +{ + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); + + imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads)); + + /* Power up the LCD */ + gpio_request(IMX_GPIO_NR(3, 4), "lcd_pwr"); + gpio_direction_output(IMX_GPIO_NR(3, 4) , 1); + + /* Set Brightness to high */ + gpio_request(IMX_GPIO_NR(1, 1), "lcd_backlight"); + gpio_direction_output(IMX_GPIO_NR(1, 1) , 1); +} + +struct display_info_t const displays[] = {{ + .bus = ELCDIF1_IPS_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 + + +static iomux_v3_cfg_t const per_rst_pads[] = { + MX7D_PAD_GPIO1_IO03__GPIO1_IO3 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const wdog_pads[] = { + MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +#ifdef CONFIG_FEC_MXC +static iomux_v3_cfg_t const fec1_pads[] = { + MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), + MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), + MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX7D_PAD_ENET1_TX_CLK__CCM_ENET_REF_CLK1 | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static void setup_iomux_fec1(void) +{ + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); +} +#endif + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +#ifdef CONFIG_FSL_QSPI +#ifndef CONFIG_DM_SPI +static iomux_v3_cfg_t const quadspi_pads[] = { + MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA04__QSPI_A_DQS | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA07__QSPI_A_SS1_B | MUX_PAD_CTRL(QSPI_PAD_CTRL), + + MX7D_PAD_EPDC_DATA08__QSPI_B_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA09__QSPI_B_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA10__QSPI_B_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA11__QSPI_B_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA12__QSPI_B_DQS | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA13__QSPI_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA14__QSPI_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL), + MX7D_PAD_EPDC_DATA15__QSPI_B_SS1_B | MUX_PAD_CTRL(QSPI_PAD_CTRL), + +}; +#endif + +int board_qspi_init(void) +{ +#ifndef CONFIG_DM_SPI + /* Set the iomux */ + imx_iomux_v3_setup_multiple_pads(quadspi_pads, ARRAY_SIZE(quadspi_pads)); +#endif + + /* Set the clock */ + set_clk_qspi(); + + return 0; +} +#endif + +#ifdef CONFIG_FSL_ESDHC +int mmc_map_to_kernel_blk(int dev_no) +{ + return dev_no; +} + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} +#endif + +#ifdef CONFIG_FEC_MXC +int board_eth_init(bd_t *bis) +{ + int ret; + + setup_iomux_fec1(); + + ret = fecmxc_initialize_multi(bis, 0, + CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); + if (ret) + printf("FEC1 MXC: %s:failed\n", __func__); + + return 0; +} + +static int setup_fec(void) +{ + struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs + = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; + int ret; + + /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/ + clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], + (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK | + IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0); + + ret = set_clk_enet(ENET_125MHz); + if (ret) + return ret; + + return 0; +} + + +int board_phy_config(struct phy_device *phydev) +{ + /* Enable 1.8V(SEL_1P5_1P8_POS_REG) on + Phy control debug reg 0 */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); + + /* rgmii tx clock delay enable */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); + + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} +#endif + +#ifdef CONFIG_MXC_SPI +iomux_v3_cfg_t const ecspi1_pads[] = { + MX7D_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX7D_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + + /* CS0 */ + MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +void setup_spinor(void) +{ + imx_iomux_v3_setup_multiple_pads(ecspi1_pads, + ARRAY_SIZE(ecspi1_pads)); + gpio_request(IMX_GPIO_NR(4, 19), "ecspi1_cs"); + gpio_direction_output(IMX_GPIO_NR(4, 19), 0); +} + +int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 19)) : -1; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + return 0; +} + +#ifdef CONFIG_MXC_EPDC +static iomux_v3_cfg_t const epdc_enable_pads[] = { + MX7D_PAD_EPDC_DATA00__EPDC_DATA0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_DATA01__EPDC_DATA1 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_DATA02__EPDC_DATA2 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_DATA03__EPDC_DATA3 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_DATA04__EPDC_DATA4 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_DATA05__EPDC_DATA5 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_DATA06__EPDC_DATA6 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_DATA07__EPDC_DATA7 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDCLK__EPDC_SDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDLE__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDOE__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDSHR__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDCE0__EPDC_SDCE0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDCE1__EPDC_SDCE1 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDCE2__EPDC_SDCE2 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_SDCE3__EPDC_SDCE3 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_GDCLK__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_GDOE__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_GDRL__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_GDSP__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_BDR0__EPDC_BDR0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), + MX7D_PAD_EPDC_BDR1__EPDC_BDR1 | MUX_PAD_CTRL(EPDC_PAD_CTRL), +}; + +static iomux_v3_cfg_t const epdc_disable_pads[] = { + MX7D_PAD_EPDC_DATA00__GPIO2_IO0, + MX7D_PAD_EPDC_DATA01__GPIO2_IO1, + MX7D_PAD_EPDC_DATA02__GPIO2_IO2, + MX7D_PAD_EPDC_DATA03__GPIO2_IO3, + MX7D_PAD_EPDC_DATA04__GPIO2_IO4, + MX7D_PAD_EPDC_DATA05__GPIO2_IO5, + MX7D_PAD_EPDC_DATA06__GPIO2_IO6, + MX7D_PAD_EPDC_DATA07__GPIO2_IO7, + MX7D_PAD_EPDC_SDCLK__GPIO2_IO16, + MX7D_PAD_EPDC_SDLE__GPIO2_IO17, + MX7D_PAD_EPDC_SDOE__GPIO2_IO18, + MX7D_PAD_EPDC_SDSHR__GPIO2_IO19, + MX7D_PAD_EPDC_SDCE0__GPIO2_IO20, + MX7D_PAD_EPDC_SDCE1__GPIO2_IO21, + MX7D_PAD_EPDC_SDCE2__GPIO2_IO22, + MX7D_PAD_EPDC_SDCE3__GPIO2_IO23, + MX7D_PAD_EPDC_GDCLK__GPIO2_IO24, + MX7D_PAD_EPDC_GDOE__GPIO2_IO25, + MX7D_PAD_EPDC_GDRL__GPIO2_IO26, + MX7D_PAD_EPDC_GDSP__GPIO2_IO27, + MX7D_PAD_EPDC_BDR0__GPIO2_IO28, + MX7D_PAD_EPDC_BDR1__GPIO2_IO29, +}; + +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) +{ + /* IOMUX_GPR1: bit30: Disable On-chip RAM EPDC Function */ + struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs + = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; + + clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], + IOMUXC_GPR_GPR1_GPR_ENABLE_OCRAM_EPDC_MASK, 0); + + /* Setup epdc voltage */ + + /* EPDC_PWRSTAT - GPIO2[31] for PWR_GOOD status */ + imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + gpio_request(IMX_GPIO_NR(2, 31), "epdc_pwrstat"); + gpio_direction_input(IMX_GPIO_NR(2, 31)); + + /* EPDC_VCOM0 - GPIO4[14] for VCOM control */ + imx_iomux_v3_setup_pad(MX7D_PAD_I2C4_SCL__GPIO4_IO14 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* Set as output */ + gpio_request(IMX_GPIO_NR(4, 14), "epdc_vcom0"); + gpio_direction_output(IMX_GPIO_NR(4, 14), 1); + + /* EPDC_PWRWAKEUP - GPIO4[23] for EPD PMIC WAKEUP */ + imx_iomux_v3_setup_pad(MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + /* Set as output */ + gpio_request(IMX_GPIO_NR(4, 23), "epdc_pwrwakeup"); + gpio_direction_output(IMX_GPIO_NR(4, 23), 1); + + /* EPDC_PWRCTRL0 - GPIO4[20] for EPD PWR CTL0 */ + imx_iomux_v3_setup_pad(MX7D_PAD_ECSPI2_SCLK__GPIO4_IO20 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + /* Set as output */ + gpio_request(IMX_GPIO_NR(4, 20), "epdc_pwrctrl0"); + gpio_direction_output(IMX_GPIO_NR(4, 20), 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[31] for PWR_GOOD status */ + imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* EPDC_VCOM0 - GPIO4[14] for VCOM control */ + imx_iomux_v3_setup_pad(MX7D_PAD_I2C4_SCL__GPIO4_IO14 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* EPDC_PWRWAKEUP - GPIO4[23] for EPD PMIC WAKEUP */ + imx_iomux_v3_setup_pad(MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 | + MUX_PAD_CTRL(EPDC_PAD_CTRL)); + + /* EPDC_PWRCTRL0 - GPIO4[20] for EPD PWR CTL0 */ + imx_iomux_v3_setup_pad(MX7D_PAD_ECSPI2_SCLK__GPIO4_IO20 | + 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(4, 20), 1); + udelay(1000); + + /* Enable epdc signal pin */ + epdc_enable_pins(); + + /* Set PMIC Wakeup to high - enable Display power */ + gpio_set_value(IMX_GPIO_NR(4, 23), 1); + + /* Wait for PWRGOOD == 1 */ + while (1) { + reg = readl(&gpio_regs->gpio_psr); + if (!(reg & (1 << 31))) + break; + + udelay(100); + } + + /* Enable VCOM */ + gpio_set_value(IMX_GPIO_NR(4, 14), 1); + + udelay(500); +} + +void epdc_power_off(void) +{ + /* Set PMIC Wakeup to low - disable Display power */ + gpio_set_value(IMX_GPIO_NR(4, 23), 0); + + /* Disable VCOM */ + gpio_set_value(IMX_GPIO_NR(4, 14), 0); + + epdc_disable_pins(); + + /* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */ + gpio_set_value(IMX_GPIO_NR(4, 20), 0); +} +#endif + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + /* Reset peripherals */ + imx_iomux_v3_setup_multiple_pads(per_rst_pads, ARRAY_SIZE(per_rst_pads)); + + gpio_request(IMX_GPIO_NR(1, 3), "per_rst"); + gpio_direction_output(IMX_GPIO_NR(1, 3) , 0); + udelay(500); + gpio_set_value(IMX_GPIO_NR(1, 3), 1); + +#ifdef CONFIG_FEC_MXC + setup_fec(); +#endif + +#ifdef CONFIG_MXC_SPI + setup_spinor(); +#endif + +#ifdef CONFIG_FSL_QSPI + board_qspi_init(); +#endif + +#ifdef CONFIG_MXC_EPDC + setup_epdc(); +#endif + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"sd1", MAKE_CFGVAL(0x10, 0x12, 0x00, 0x00)}, + {"sd2", MAKE_CFGVAL(0x10, 0x16, 0x00, 0x00)}, + {"emmc", MAKE_CFGVAL(0x10, 0x2a, 0x00, 0x00)}, + {"qspi", MAKE_CFGVAL(0x00, 0x40, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +#ifdef CONFIG_DM_PMIC +int power_init_board(void) +{ + struct udevice *dev; + int ret, dev_id, rev_id, reg; + + ret = pmic_get("pfuze3000", &dev); + if (ret == -ENODEV) + return 0; + if (ret != 0) + return ret; + + dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID); + rev_id = pmic_reg_read(dev, PFUZE3000_REVID); + printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id); + + /* disable Low Power Mode during standby mode */ + reg = pmic_reg_read(dev, PFUZE3000_LDOGCTL); + reg |= 0x1; + pmic_reg_write(dev, PFUZE3000_LDOGCTL, reg); + + /* SW1A/1B mode set to APS/APS */ + reg = 0x8; + pmic_reg_write(dev, PFUZE3000_SW1AMODE, reg); + pmic_reg_write(dev, PFUZE3000_SW1BMODE, reg); + + /* SW1A/1B standby voltage set to 0.975V */ + reg = 0xb; + pmic_reg_write(dev, PFUZE3000_SW1ASTBY, reg); + pmic_reg_write(dev, PFUZE3000_SW1BSTBY, reg); + + /* below are for LPSR mode support */ + reg = pmic_reg_read(dev, PFUZE3000_SW3MODE); + reg |= 0x20; + pmic_reg_write(dev, PFUZE3000_SW3MODE, reg); + + reg = pmic_reg_read(dev, PFUZE3000_VLDO1CTL); + reg |= 0x80; + pmic_reg_write(dev, PFUZE3000_VLDO1CTL, reg); + + reg = pmic_reg_read(dev, PFUZE3000_VLDO3CTL); + reg |= 0x80; + pmic_reg_write(dev, PFUZE3000_VLDO3CTL, reg); + + pmic_reg_read(dev, PFUZE3000_SW2MODE); + reg |= 0x20; + pmic_reg_write(dev, PFUZE3000_SW2MODE, reg); + + /* set SW1B normal voltage to 0.975V */ + reg = pmic_reg_read(dev, PFUZE3000_SW1BVOLT); + reg &= ~0x1f; + reg |= PFUZE3000_SW1AB_SETP(975); + pmic_reg_write(dev, PFUZE3000_SW1BVOLT, reg); + + return 0; +} +#endif + +int board_late_init(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + +#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) +{ + puts("Board: MX7D 12x12 LPDDR3 ARM2\n"); + + return 0; +} |