diff options
Diffstat (limited to 'roms/u-boot/board/freescale/mx6sxsabresd/mx6sxsabresd.c')
| -rw-r--r-- | roms/u-boot/board/freescale/mx6sxsabresd/mx6sxsabresd.c | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mx6sxsabresd/mx6sxsabresd.c b/roms/u-boot/board/freescale/mx6sxsabresd/mx6sxsabresd.c new file mode 100644 index 000000000..57fab2386 --- /dev/null +++ b/roms/u-boot/board/freescale/mx6sxsabresd/mx6sxsabresd.c @@ -0,0 +1,326 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * Author: Fabio Estevam <fabio.estevam@freescale.com> + */ + +#include <init.h> +#include <net.h> +#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/global_data.h> +#include <asm/gpio.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm/io.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <env.h> +#include <linux/delay.h> +#include <linux/sizes.h> +#include <common.h> +#include <fsl_esdhc_imx.h> +#include <mmc.h> +#include <i2c.h> +#include <miiphy.h> +#include <netdev.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include "../common/pfuze.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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | \ + PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) + +#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) + +#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_SPEED_HIGH | 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 WDOG_PAD_CTRL (PAD_CTL_PUE | PAD_CTL_PKE | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm) + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + + return 0; +} + +static iomux_v3_cfg_t const uart1_pads[] = { + MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + +static iomux_v3_cfg_t const wdog_b_pad = { + MX6_PAD_GPIO1_IO13__GPIO1_IO_13 | MUX_PAD_CTRL(WDOG_PAD_CTRL), +}; +static iomux_v3_cfg_t const fec1_pads[] = { + MX6_PAD_ENET1_MDC__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_ENET1_MDIO__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_RX_CTL__ENET1_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD0__ENET1_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD1__ENET1_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD2__ENET1_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RD3__ENET1_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_RXC__ENET1_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), + MX6_PAD_RGMII1_TX_CTL__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD0__ENET1_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD1__ENET1_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD2__ENET1_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TD3__ENET1_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL), + MX6_PAD_RGMII1_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static iomux_v3_cfg_t const peri_3v3_pads[] = { + MX6_PAD_QSPI1A_DATA0__GPIO4_IO_16 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static iomux_v3_cfg_t const phy_control_pads[] = { + /* 25MHz Ethernet PHY Clock */ + MX6_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL), + + /* ENET PHY Power */ + MX6_PAD_ENET2_COL__GPIO2_IO_6 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* AR8031 PHY Reset */ + MX6_PAD_ENET2_CRS__GPIO2_IO_7 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static void setup_iomux_uart(void) +{ + imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); +} + +static int setup_fec(void) +{ + struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR; + int reg, ret; + + /* Use 125MHz anatop loopback REF_CLK1 for ENET1 */ + clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK, 0); + + ret = enable_fec_anatop_clock(0, ENET_125MHZ); + if (ret) + return ret; + + imx_iomux_v3_setup_multiple_pads(phy_control_pads, + ARRAY_SIZE(phy_control_pads)); + + /* Enable the ENET power, active low */ + gpio_request(IMX_GPIO_NR(2, 6), "enet_rst"); + gpio_direction_output(IMX_GPIO_NR(2, 6) , 0); + + /* Reset AR8031 PHY */ + gpio_request(IMX_GPIO_NR(2, 7), "phy_rst"); + gpio_direction_output(IMX_GPIO_NR(2, 7) , 0); + mdelay(10); + gpio_set_value(IMX_GPIO_NR(2, 7), 1); + + reg = readl(&anatop->pll_enet); + reg |= BM_ANADIG_PLL_ENET_REF_25M_ENABLE; + writel(reg, &anatop->pll_enet); + + return 0; +} + +int board_eth_init(struct bd_info *bis) +{ + imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); + setup_fec(); + + return cpu_eth_init(bis); +} + +int power_init_board(void) +{ + struct udevice *dev; + unsigned int reg; + int ret; + + dev = pfuze_common_init(); + if (!dev) + return -ENODEV; + + ret = pfuze_mode_init(dev, APS_PFM); + if (ret < 0) + return ret; + + /* Enable power of VGEN5 3V3, needed for SD3 */ + reg = pmic_reg_read(dev, PFUZE100_VGEN5VOL); + reg &= ~LDO_VOL_MASK; + reg |= (LDOB_3_30V | (1 << LDO_EN)); + pmic_reg_write(dev, PFUZE100_VGEN5VOL, reg); + + 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; +} + +int board_early_init_f(void) +{ + setup_iomux_uart(); + + /* Enable PERI_3V3, which is used by SD2, ENET, LVDS, BT */ + imx_iomux_v3_setup_multiple_pads(peri_3v3_pads, + ARRAY_SIZE(peri_3v3_pads)); + + return 0; +} + +int board_mmc_get_env_dev(int devno) +{ + return devno; +} + +#ifdef CONFIG_FSL_QSPI + +int board_qspi_init(void) +{ + /* Set the clock */ + enable_qspi_clk(1); + + return 0; +} +#endif + +#ifdef CONFIG_VIDEO_MXS +static iomux_v3_cfg_t const lcd_pads[] = { + MX6_PAD_LCD1_CLK__LCDIF1_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_ENABLE__LCDIF1_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_HSYNC__LCDIF1_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_VSYNC__LCDIF1_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA00__LCDIF1_DATA_0 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA01__LCDIF1_DATA_1 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA02__LCDIF1_DATA_2 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA03__LCDIF1_DATA_3 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA04__LCDIF1_DATA_4 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA05__LCDIF1_DATA_5 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA06__LCDIF1_DATA_6 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA07__LCDIF1_DATA_7 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA08__LCDIF1_DATA_8 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA09__LCDIF1_DATA_9 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA10__LCDIF1_DATA_10 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA11__LCDIF1_DATA_11 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA12__LCDIF1_DATA_12 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA13__LCDIF1_DATA_13 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA14__LCDIF1_DATA_14 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA15__LCDIF1_DATA_15 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA16__LCDIF1_DATA_16 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA17__LCDIF1_DATA_17 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA18__LCDIF1_DATA_18 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA19__LCDIF1_DATA_19 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA20__LCDIF1_DATA_20 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA21__LCDIF1_DATA_21 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA22__LCDIF1_DATA_22 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_DATA23__LCDIF1_DATA_23 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD1_RESET__GPIO3_IO_27 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* Use GPIO for Brightness adjustment, duty cycle = period */ + MX6_PAD_SD1_DATA2__GPIO6_IO_4 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +static int setup_lcd(void) +{ + enable_lcdif_clock(LCDIF1_BASE_ADDR, 1); + + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); + + /* Reset the LCD */ + gpio_request(IMX_GPIO_NR(3, 27), "lcd_rst"); + gpio_direction_output(IMX_GPIO_NR(3, 27) , 0); + udelay(500); + gpio_direction_output(IMX_GPIO_NR(3, 27) , 1); + + /* Set Brightness to high */ + gpio_request(IMX_GPIO_NR(6, 4), "lcd_bright"); + gpio_direction_output(IMX_GPIO_NR(6, 4) , 1); + + return 0; +} +#endif + +int board_init(void) +{ + /* Address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + /* + * Because kernel set WDOG_B mux before pad with the common pinctrl + * framwork now and wdog reset will be triggered once set WDOG_B mux + * with default pad setting, we set pad setting here to workaround this. + * Since imx_iomux_v3_setup_pad also set mux before pad setting, we set + * as GPIO mux firstly here to workaround it. + */ + imx_iomux_v3_setup_pad(wdog_b_pad); + + /* Active high for ncp692 */ + gpio_request(IMX_GPIO_NR(4, 16), "ncp692_en"); + gpio_direction_output(IMX_GPIO_NR(4, 16), 1); + +#ifdef CONFIG_FSL_QSPI + board_qspi_init(); +#endif + +#ifdef CONFIG_VIDEO_MXS + setup_lcd(); +#endif + + return 0; +} + +static bool is_reva(void) +{ + return (nxp_board_rev() == 1); +} + +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + if (is_reva()) + env_set("board_rev", "REVA"); +#endif + return 0; +} + +int checkboard(void) +{ + printf("Board: MX6SX SABRE SDB rev%c\n", nxp_board_rev_string()); + + return 0; +} |