| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. |
| * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> |
| * Copyright (C) 2014-2019, Toradex AG |
| * copied from nitrogen6x |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <env.h> |
| |
| #include <asm/arch/clock.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/mx6-ddr.h> |
| #include <asm/arch/mx6-pins.h> |
| #include <asm/arch/mxc_hdmi.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/bootm.h> |
| #include <asm/gpio.h> |
| #include <asm/mach-imx/boot_mode.h> |
| #include <asm/mach-imx/iomux-v3.h> |
| #include <asm/mach-imx/sata.h> |
| #include <asm/mach-imx/video.h> |
| #include <cpu.h> |
| #include <dm/platform_data/serial_mxc.h> |
| #include <fsl_esdhc_imx.h> |
| #include <imx_thermal.h> |
| #include <micrel.h> |
| #include <miiphy.h> |
| #include <netdev.h> |
| #include <cpu.h> |
| |
| #include "../common/tdx-cfg-block.h" |
| #ifdef CONFIG_TDX_CMD_IMX_MFGR |
| #include "pf0100.h" |
| #endif |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define UART_PAD_CTRL (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_PUS_47K_UP | \ |
| PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \ |
| PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| |
| #define USDHC_EMMC_PAD_CTRL (PAD_CTL_PUS_47K_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_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) |
| |
| #define WEAK_PULLUP (PAD_CTL_PUS_100K_UP | \ |
| PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ |
| PAD_CTL_SRE_SLOW) |
| |
| #define NO_PULLUP ( \ |
| PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ |
| PAD_CTL_SRE_SLOW) |
| |
| #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ |
| PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ |
| PAD_CTL_HYS | PAD_CTL_SRE_SLOW) |
| |
| #define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST) |
| |
| int dram_init(void) |
| { |
| /* use the DDR controllers configured size */ |
| gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, |
| (ulong)imx_ddr_size()); |
| |
| return 0; |
| } |
| |
| /* Colibri UARTA */ |
| iomux_v3_cfg_t const uart1_pads[] = { |
| MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| #if defined(CONFIG_FSL_ESDHC) && defined(CONFIG_SPL_BUILD) |
| /* Colibri MMC */ |
| 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_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ |
| # define GPIO_MMC_CD IMX_GPIO_NR(2, 5) |
| }; |
| |
| /* eMMC */ |
| iomux_v3_cfg_t const usdhc3_pads[] = { |
| MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL), |
| MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
| }; |
| #endif /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */ |
| |
| iomux_v3_cfg_t const enet_pads[] = { |
| MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_RX_ER__ENET_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_TX_EN__ENET_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| }; |
| |
| static void setup_iomux_enet(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); |
| } |
| |
| /* mux auxiliary pins to GPIO, so they can be used from the U-Boot cmdline */ |
| iomux_v3_cfg_t const gpio_pads[] = { |
| /* ADDRESS[17:18] [25] used as GPIO */ |
| MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_D1__GPIO2_IO01 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* ADDRESS[19:24] used as GPIO */ |
| MX6_PAD_DISP0_DAT23__GPIO5_IO17 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_DISP0_DAT22__GPIO5_IO16 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_DISP0_DAT21__GPIO5_IO15 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_DISP0_DAT20__GPIO5_IO14 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_DISP0_DAT19__GPIO5_IO13 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_DISP0_DAT18__GPIO5_IO12 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* DATA[16:29] [31] used as GPIO */ |
| MX6_PAD_EIM_LBA__GPIO2_IO27 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_CS3__GPIO6_IO16 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_ALE__GPIO6_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_CLE__GPIO6_IO07 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_CSI0_MCLK__GPIO5_IO19 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_CSI0_PIXCLK__GPIO5_IO18 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* DQM[0:3] used as GPIO */ |
| MX6_PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_EB1__GPIO2_IO29 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_SD2_DAT2__GPIO1_IO13 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* RDY used as GPIO */ |
| MX6_PAD_EIM_WAIT__GPIO5_IO00 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* ADDRESS[16] DATA[30] used as GPIO */ |
| MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(WEAK_PULLDOWN) | |
| MUX_MODE_SION, |
| MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* CSI pins used as GPIO */ |
| MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_SD2_CMD__GPIO1_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_D18__GPIO3_IO18 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(WEAK_PULLDOWN) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_A17__GPIO2_IO21 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_A18__GPIO2_IO20 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_EB3__GPIO2_IO31 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_D17__GPIO3_IO17 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* GPIO */ |
| MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_EIM_D27__GPIO3_IO27 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_D3__GPIO2_IO03 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_ENET_REF_CLK__GPIO1_IO23 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_GPIO_7__GPIO1_IO07 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| MX6_PAD_GPIO_8__GPIO1_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) | |
| MUX_MODE_SION, |
| /* USBH_OC */ |
| MX6_PAD_EIM_D30__GPIO3_IO30 | MUX_PAD_CTRL(WEAK_PULLUP), |
| /* USBC_ID */ |
| MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(WEAK_PULLUP), |
| /* USBC_DET */ |
| MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(WEAK_PULLUP), |
| }; |
| |
| static void setup_iomux_gpio(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); |
| } |
| |
| iomux_v3_cfg_t const usb_pads[] = { |
| /* USBH_PEN */ |
| MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION, |
| # define GPIO_USBH_EN IMX_GPIO_NR(3, 31) |
| }; |
| |
| /* |
| * UARTs are used in DTE mode, switch the mode on all UARTs before |
| * any pinmuxing connects a (DCE) output to a transceiver output. |
| */ |
| #define UCR3 0x88 /* FIFO Control Register */ |
| #define UCR3_RI BIT(8) /* RIDELT DTE mode */ |
| #define UCR3_DCD BIT(9) /* DCDDELT DTE mode */ |
| #define UFCR 0x90 /* FIFO Control Register */ |
| #define UFCR_DCEDTE BIT(6) /* DCE=0 */ |
| |
| static void setup_dtemode_uart(void) |
| { |
| setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE); |
| setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE); |
| setbits_le32((u32 *)(UART3_BASE + UFCR), UFCR_DCEDTE); |
| |
| clrbits_le32((u32 *)(UART1_BASE + UCR3), UCR3_DCD | UCR3_RI); |
| clrbits_le32((u32 *)(UART2_BASE + UCR3), UCR3_DCD | UCR3_RI); |
| clrbits_le32((u32 *)(UART3_BASE + UCR3), UCR3_DCD | UCR3_RI); |
| } |
| |
| static void setup_iomux_uart(void) |
| { |
| setup_dtemode_uart(); |
| imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); |
| } |
| |
| #ifdef CONFIG_USB_EHCI_MX6 |
| int board_ehci_hcd_init(int port) |
| { |
| imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads)); |
| return 0; |
| } |
| #endif |
| |
| #if defined(CONFIG_FSL_ESDHC) && defined(CONFIG_SPL_BUILD) |
| /* use the following sequence: eMMC, MMC */ |
| struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { |
| {USDHC3_BASE_ADDR}, |
| {USDHC1_BASE_ADDR}, |
| }; |
| |
| int board_mmc_getcd(struct mmc *mmc) |
| { |
| struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; |
| int ret = true; /* default: assume inserted */ |
| |
| switch (cfg->esdhc_base) { |
| case USDHC1_BASE_ADDR: |
| gpio_request(GPIO_MMC_CD, "MMC_CD"); |
| gpio_direction_input(GPIO_MMC_CD); |
| ret = !gpio_get_value(GPIO_MMC_CD); |
| break; |
| } |
| |
| return ret; |
| } |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| struct src *psrc = (struct src *)SRC_BASE_ADDR; |
| unsigned reg = readl(&psrc->sbmr1) >> 11; |
| /* |
| * Upon reading BOOT_CFG register the following map is done: |
| * Bit 11 and 12 of BOOT_CFG register can determine the current |
| * mmc port |
| * 0x1 SD1 |
| * 0x2 SD2 |
| * 0x3 SD4 |
| */ |
| |
| switch (reg & 0x3) { |
| case 0x0: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); |
| usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR; |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); |
| gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; |
| break; |
| case 0x2: |
| imx_iomux_v3_setup_multiple_pads( |
| usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); |
| usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
| gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; |
| break; |
| default: |
| puts("MMC boot device not available"); |
| } |
| |
| return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); |
| } |
| #endif /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */ |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| if (phydev->drv->config) |
| phydev->drv->config(phydev); |
| |
| return 0; |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; |
| uint32_t base = IMX_FEC_BASE; |
| struct mii_dev *bus = NULL; |
| struct phy_device *phydev = NULL; |
| int ret; |
| |
| /* provide the PHY clock from the i.MX 6 */ |
| ret = enable_fec_anatop_clock(0, ENET_50MHZ); |
| if (ret) |
| return ret; |
| |
| /* set gpr1[ENET_CLK_SEL] */ |
| setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); |
| |
| setup_iomux_enet(); |
| |
| #ifdef CONFIG_FEC_MXC |
| bus = fec_get_miibus(base, -1); |
| if (!bus) |
| return 0; |
| |
| /* scan PHY 1..7 */ |
| phydev = phy_find_by_mask(bus, 0xff, PHY_INTERFACE_MODE_RMII); |
| if (!phydev) { |
| free(bus); |
| puts("no PHY found\n"); |
| return 0; |
| } |
| |
| phy_reset(phydev); |
| printf("using PHY at %d\n", phydev->addr); |
| ret = fec_probe(bis, -1, base, bus, phydev); |
| if (ret) { |
| printf("FEC MXC: %s:failed\n", __func__); |
| free(phydev); |
| free(bus); |
| } |
| #endif /* CONFIG_FEC_MXC */ |
| |
| return 0; |
| } |
| |
| static iomux_v3_cfg_t const pwr_intb_pads[] = { |
| /* |
| * the bootrom sets the iomux to vselect, potentially connecting |
| * two outputs. Set this back to GPIO |
| */ |
| MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL) |
| }; |
| |
| #if defined(CONFIG_VIDEO_IPUV3) |
| |
| static iomux_v3_cfg_t const backlight_pads[] = { |
| /* Backlight On */ |
| MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION, |
| #define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 26) |
| /* Backlight PWM, used as GPIO in U-Boot */ |
| MX6_PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PULLUP), |
| MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL) | |
| MUX_MODE_SION, |
| #define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 9) |
| }; |
| |
| static iomux_v3_cfg_t const rgb_pads[] = { |
| MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB), |
| }; |
| |
| static void do_enable_hdmi(struct display_info_t const *dev) |
| { |
| imx_enable_hdmi_phy(); |
| } |
| |
| static void enable_rgb(struct display_info_t const *dev) |
| { |
| imx_iomux_v3_setup_multiple_pads( |
| rgb_pads, |
| ARRAY_SIZE(rgb_pads)); |
| gpio_direction_output(RGB_BACKLIGHT_GP, 1); |
| gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); |
| } |
| |
| static int detect_default(struct display_info_t const *dev) |
| { |
| (void) dev; |
| return 1; |
| } |
| |
| struct display_info_t const displays[] = {{ |
| .bus = -1, |
| .addr = 0, |
| .pixfmt = IPU_PIX_FMT_RGB24, |
| .detect = detect_hdmi, |
| .enable = do_enable_hdmi, |
| .mode = { |
| .name = "HDMI", |
| .refresh = 60, |
| .xres = 1024, |
| .yres = 768, |
| .pixclock = 15385, |
| .left_margin = 220, |
| .right_margin = 40, |
| .upper_margin = 21, |
| .lower_margin = 7, |
| .hsync_len = 60, |
| .vsync_len = 10, |
| .sync = FB_SYNC_EXT, |
| .vmode = FB_VMODE_NONINTERLACED |
| } }, { |
| .bus = -1, |
| .addr = 0, |
| .pixfmt = IPU_PIX_FMT_RGB666, |
| .detect = detect_default, |
| .enable = enable_rgb, |
| .mode = { |
| .name = "vga-rgb", |
| .refresh = 60, |
| .xres = 640, |
| .yres = 480, |
| .pixclock = 33000, |
| .left_margin = 48, |
| .right_margin = 16, |
| .upper_margin = 31, |
| .lower_margin = 11, |
| .hsync_len = 96, |
| .vsync_len = 2, |
| .sync = 0, |
| .vmode = FB_VMODE_NONINTERLACED |
| } }, { |
| .bus = -1, |
| .addr = 0, |
| .pixfmt = IPU_PIX_FMT_RGB666, |
| .enable = enable_rgb, |
| .mode = { |
| .name = "wvga-rgb", |
| .refresh = 60, |
| .xres = 800, |
| .yres = 480, |
| .pixclock = 25000, |
| .left_margin = 40, |
| .right_margin = 88, |
| .upper_margin = 33, |
| .lower_margin = 10, |
| .hsync_len = 128, |
| .vsync_len = 2, |
| .sync = 0, |
| .vmode = FB_VMODE_NONINTERLACED |
| } } }; |
| size_t display_count = ARRAY_SIZE(displays); |
| |
| static void setup_display(void) |
| { |
| struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; |
| struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; |
| int reg; |
| |
| enable_ipu_clock(); |
| imx_setup_hdmi(); |
| /* Turn on LDB0,IPU,IPU DI0 clocks */ |
| reg = __raw_readl(&mxc_ccm->CCGR3); |
| reg |= MXC_CCM_CCGR3_LDB_DI0_MASK; |
| writel(reg, &mxc_ccm->CCGR3); |
| |
| /* set LDB0, LDB1 clk select to 011/011 */ |
| reg = readl(&mxc_ccm->cs2cdr); |
| reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
| |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); |
| reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
| |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); |
| writel(reg, &mxc_ccm->cs2cdr); |
| |
| reg = readl(&mxc_ccm->cscmr2); |
| reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV; |
| writel(reg, &mxc_ccm->cscmr2); |
| |
| reg = readl(&mxc_ccm->chsccdr); |
| reg |= (CHSCCDR_CLK_SEL_LDB_DI0 |
| <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); |
| writel(reg, &mxc_ccm->chsccdr); |
| |
| reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
| |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
| |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
| |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
| |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
| |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
| |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
| |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED |
| |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; |
| writel(reg, &iomux->gpr[2]); |
| |
| reg = readl(&iomux->gpr[3]); |
| reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
| |IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) |
| | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 |
| <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); |
| writel(reg, &iomux->gpr[3]); |
| |
| /* backlight unconditionally on for now */ |
| imx_iomux_v3_setup_multiple_pads(backlight_pads, |
| ARRAY_SIZE(backlight_pads)); |
| /* use 0 for EDT 7", use 1 for LG fullHD panel */ |
| gpio_request(RGB_BACKLIGHTPWM_GP, "PWM<A>"); |
| gpio_request(RGB_BACKLIGHT_GP, "BL_ON"); |
| gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); |
| gpio_direction_output(RGB_BACKLIGHT_GP, 1); |
| } |
| |
| /* |
| * Backlight off before OS handover |
| */ |
| void board_preboot_os(void) |
| { |
| gpio_direction_output(RGB_BACKLIGHTPWM_GP, 1); |
| gpio_direction_output(RGB_BACKLIGHT_GP, 0); |
| } |
| #endif /* defined(CONFIG_VIDEO_IPUV3) */ |
| |
| int board_early_init_f(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(pwr_intb_pads, |
| ARRAY_SIZE(pwr_intb_pads)); |
| setup_iomux_uart(); |
| |
| return 0; |
| } |
| |
| /* |
| * Do not overwrite the console |
| * Use always serial for U-Boot console |
| */ |
| int overwrite_console(void) |
| { |
| return 1; |
| } |
| |
| int board_init(void) |
| { |
| /* address of boot parameters */ |
| gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| |
| #if defined(CONFIG_VIDEO_IPUV3) |
| setup_display(); |
| #endif |
| |
| #ifdef CONFIG_TDX_CMD_IMX_MFGR |
| (void) pmic_init(); |
| #endif |
| |
| #ifdef CONFIG_SATA |
| setup_sata(); |
| #endif |
| |
| setup_iomux_gpio(); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_BOARD_LATE_INIT |
| int board_late_init(void) |
| { |
| #if defined(CONFIG_REVISION_TAG) && \ |
| defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG) |
| char env_str[256]; |
| u32 rev; |
| |
| rev = get_board_rev(); |
| snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev); |
| env_set("board_rev", env_str); |
| #endif |
| |
| #ifdef CONFIG_CMD_USB_SDP |
| if (is_boot_from_usb()) { |
| printf("Serial Downloader recovery mode, using sdp command\n"); |
| env_set("bootdelay", "0"); |
| env_set("bootcmd", "sdp 0"); |
| } |
| #endif /* CONFIG_CMD_USB_SDP */ |
| |
| return 0; |
| } |
| #endif /* CONFIG_BOARD_LATE_INIT */ |
| |
| int checkboard(void) |
| { |
| char it[] = " IT"; |
| int minc, maxc; |
| |
| switch (get_cpu_temp_grade(&minc, &maxc)) { |
| case TEMP_AUTOMOTIVE: |
| case TEMP_INDUSTRIAL: |
| break; |
| case TEMP_EXTCOMMERCIAL: |
| default: |
| it[0] = 0; |
| }; |
| printf("Model: Toradex Colibri iMX6 %s %sMB%s\n", |
| is_cpu_type(MXC_CPU_MX6DL) ? "DualLite" : "Solo", |
| (gd->ram_size == 0x20000000) ? "512" : "256", it); |
| return 0; |
| } |
| |
| #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| u32 cma_size; |
| |
| ft_common_board_setup(blob, bd); |
| |
| cma_size = env_get_ulong("cma-size", 10, 320 * 1024 * 1024); |
| cma_size = min((u32)(gd->ram_size >> 1), cma_size); |
| |
| fdt_setprop_u32(blob, |
| fdt_path_offset(blob, "/reserved-memory/linux,cma"), |
| "size", |
| cma_size); |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_CMD_BMODE |
| static const struct boot_mode board_boot_modes[] = { |
| {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, |
| {NULL, 0}, |
| }; |
| #endif |
| |
| int misc_init_r(void) |
| { |
| #ifdef CONFIG_CMD_BMODE |
| add_board_boot_modes(board_boot_modes); |
| #endif |
| return 0; |
| } |
| |
| #ifdef CONFIG_LDO_BYPASS_CHECK |
| /* TODO, use external pmic, for now always ldo_enable */ |
| void ldo_mode_set(int ldo_bypass) |
| { |
| return; |
| } |
| #endif |
| |
| #ifdef CONFIG_SPL_BUILD |
| #include <spl.h> |
| #include <linux/libfdt.h> |
| #include "asm/arch/mx6dl-ddr.h" |
| #include "asm/arch/iomux.h" |
| #include "asm/arch/crm_regs.h" |
| |
| static int mx6s_dcd_table[] = { |
| /* ddr-setup.cfg */ |
| |
| MX6_IOM_DRAM_SDQS0, 0x00000030, |
| MX6_IOM_DRAM_SDQS1, 0x00000030, |
| MX6_IOM_DRAM_SDQS2, 0x00000030, |
| MX6_IOM_DRAM_SDQS3, 0x00000030, |
| MX6_IOM_DRAM_SDQS4, 0x00000030, |
| MX6_IOM_DRAM_SDQS5, 0x00000030, |
| MX6_IOM_DRAM_SDQS6, 0x00000030, |
| MX6_IOM_DRAM_SDQS7, 0x00000030, |
| |
| MX6_IOM_GRP_B0DS, 0x00000030, |
| MX6_IOM_GRP_B1DS, 0x00000030, |
| MX6_IOM_GRP_B2DS, 0x00000030, |
| MX6_IOM_GRP_B3DS, 0x00000030, |
| MX6_IOM_GRP_B4DS, 0x00000030, |
| MX6_IOM_GRP_B5DS, 0x00000030, |
| MX6_IOM_GRP_B6DS, 0x00000030, |
| MX6_IOM_GRP_B7DS, 0x00000030, |
| MX6_IOM_GRP_ADDDS, 0x00000030, |
| /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ |
| MX6_IOM_GRP_CTLDS, 0x00000030, |
| |
| MX6_IOM_DRAM_DQM0, 0x00020030, |
| MX6_IOM_DRAM_DQM1, 0x00020030, |
| MX6_IOM_DRAM_DQM2, 0x00020030, |
| MX6_IOM_DRAM_DQM3, 0x00020030, |
| MX6_IOM_DRAM_DQM4, 0x00020030, |
| MX6_IOM_DRAM_DQM5, 0x00020030, |
| MX6_IOM_DRAM_DQM6, 0x00020030, |
| MX6_IOM_DRAM_DQM7, 0x00020030, |
| |
| MX6_IOM_DRAM_CAS, 0x00020030, |
| MX6_IOM_DRAM_RAS, 0x00020030, |
| MX6_IOM_DRAM_SDCLK_0, 0x00020030, |
| MX6_IOM_DRAM_SDCLK_1, 0x00020030, |
| |
| MX6_IOM_DRAM_RESET, 0x00020030, |
| MX6_IOM_DRAM_SDCKE0, 0x00003000, |
| MX6_IOM_DRAM_SDCKE1, 0x00003000, |
| |
| MX6_IOM_DRAM_SDODT0, 0x00003030, |
| MX6_IOM_DRAM_SDODT1, 0x00003030, |
| |
| /* (differential input) */ |
| MX6_IOM_DDRMODE_CTL, 0x00020000, |
| /* (differential input) */ |
| MX6_IOM_GRP_DDRMODE, 0x00020000, |
| /* disable ddr pullups */ |
| MX6_IOM_GRP_DDRPKE, 0x00000000, |
| MX6_IOM_DRAM_SDBA2, 0x00000000, |
| /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ |
| MX6_IOM_GRP_DDR_TYPE, 0x000C0000, |
| |
| /* Read data DQ Byte0-3 delay */ |
| MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, |
| MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, |
| MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, |
| MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, |
| |
| /* |
| * MDMISC mirroring interleaved (row/bank/col) |
| */ |
| /* TODO: check what the RALAT field does */ |
| MX6_MMDC_P0_MDMISC, 0x00081740, |
| |
| /* |
| * MDSCR con_req |
| */ |
| MX6_MMDC_P0_MDSCR, 0x00008000, |
| |
| |
| /* 800mhz_2x64mx16.cfg */ |
| |
| MX6_MMDC_P0_MDPDC, 0x0002002D, |
| MX6_MMDC_P0_MDCFG0, 0x2C305503, |
| MX6_MMDC_P0_MDCFG1, 0xB66D8D63, |
| MX6_MMDC_P0_MDCFG2, 0x01FF00DB, |
| MX6_MMDC_P0_MDRWD, 0x000026D2, |
| MX6_MMDC_P0_MDOR, 0x00301023, |
| MX6_MMDC_P0_MDOTC, 0x00333030, |
| MX6_MMDC_P0_MDPDC, 0x0002556D, |
| /* CS0 End: 7MSB of ((0x10000000, + 512M) -1) >> 25 */ |
| MX6_MMDC_P0_MDASP, 0x00000017, |
| /* DDR3 DATA BUS SIZE: 64BIT */ |
| /* MX6_MMDC_P0_MDCTL, 0x821A0000, */ |
| /* DDR3 DATA BUS SIZE: 32BIT */ |
| MX6_MMDC_P0_MDCTL, 0x82190000, |
| |
| /* Write commands to DDR */ |
| /* Load Mode Registers */ |
| /* TODO Use Auto Self-Refresh mode (Extended Temperature)*/ |
| /* MX6_MMDC_P0_MDSCR, 0x04408032, */ |
| MX6_MMDC_P0_MDSCR, 0x04008032, |
| MX6_MMDC_P0_MDSCR, 0x00008033, |
| MX6_MMDC_P0_MDSCR, 0x00048031, |
| MX6_MMDC_P0_MDSCR, 0x13208030, |
| /* ZQ calibration */ |
| MX6_MMDC_P0_MDSCR, 0x04008040, |
| |
| MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, |
| MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, |
| MX6_MMDC_P0_MDREF, 0x00005800, |
| |
| MX6_MMDC_P0_MPODTCTRL, 0x00000000, |
| MX6_MMDC_P1_MPODTCTRL, 0x00000000, |
| |
| MX6_MMDC_P0_MPDGCTRL0, 0x42360232, |
| MX6_MMDC_P0_MPDGCTRL1, 0x021F022A, |
| MX6_MMDC_P1_MPDGCTRL0, 0x421E0224, |
| MX6_MMDC_P1_MPDGCTRL1, 0x02110218, |
| |
| MX6_MMDC_P0_MPRDDLCTL, 0x41434344, |
| MX6_MMDC_P1_MPRDDLCTL, 0x4345423E, |
| MX6_MMDC_P0_MPWRDLCTL, 0x39383339, |
| MX6_MMDC_P1_MPWRDLCTL, 0x3E363930, |
| |
| MX6_MMDC_P0_MPWLDECTRL0, 0x00340039, |
| MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D, |
| MX6_MMDC_P1_MPWLDECTRL0, 0x00120019, |
| MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D, |
| |
| MX6_MMDC_P0_MPMUR0, 0x00000800, |
| MX6_MMDC_P1_MPMUR0, 0x00000800, |
| MX6_MMDC_P0_MDSCR, 0x00000000, |
| MX6_MMDC_P0_MAPSR, 0x00011006, |
| }; |
| |
| static int mx6dl_dcd_table[] = { |
| /* ddr-setup.cfg */ |
| |
| MX6_IOM_DRAM_SDQS0, 0x00000030, |
| MX6_IOM_DRAM_SDQS1, 0x00000030, |
| MX6_IOM_DRAM_SDQS2, 0x00000030, |
| MX6_IOM_DRAM_SDQS3, 0x00000030, |
| MX6_IOM_DRAM_SDQS4, 0x00000030, |
| MX6_IOM_DRAM_SDQS5, 0x00000030, |
| MX6_IOM_DRAM_SDQS6, 0x00000030, |
| MX6_IOM_DRAM_SDQS7, 0x00000030, |
| |
| MX6_IOM_GRP_B0DS, 0x00000030, |
| MX6_IOM_GRP_B1DS, 0x00000030, |
| MX6_IOM_GRP_B2DS, 0x00000030, |
| MX6_IOM_GRP_B3DS, 0x00000030, |
| MX6_IOM_GRP_B4DS, 0x00000030, |
| MX6_IOM_GRP_B5DS, 0x00000030, |
| MX6_IOM_GRP_B6DS, 0x00000030, |
| MX6_IOM_GRP_B7DS, 0x00000030, |
| MX6_IOM_GRP_ADDDS, 0x00000030, |
| /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ |
| MX6_IOM_GRP_CTLDS, 0x00000030, |
| |
| MX6_IOM_DRAM_DQM0, 0x00020030, |
| MX6_IOM_DRAM_DQM1, 0x00020030, |
| MX6_IOM_DRAM_DQM2, 0x00020030, |
| MX6_IOM_DRAM_DQM3, 0x00020030, |
| MX6_IOM_DRAM_DQM4, 0x00020030, |
| MX6_IOM_DRAM_DQM5, 0x00020030, |
| MX6_IOM_DRAM_DQM6, 0x00020030, |
| MX6_IOM_DRAM_DQM7, 0x00020030, |
| |
| MX6_IOM_DRAM_CAS, 0x00020030, |
| MX6_IOM_DRAM_RAS, 0x00020030, |
| MX6_IOM_DRAM_SDCLK_0, 0x00020030, |
| MX6_IOM_DRAM_SDCLK_1, 0x00020030, |
| |
| MX6_IOM_DRAM_RESET, 0x00020030, |
| MX6_IOM_DRAM_SDCKE0, 0x00003000, |
| MX6_IOM_DRAM_SDCKE1, 0x00003000, |
| |
| MX6_IOM_DRAM_SDODT0, 0x00003030, |
| MX6_IOM_DRAM_SDODT1, 0x00003030, |
| |
| /* (differential input) */ |
| MX6_IOM_DDRMODE_CTL, 0x00020000, |
| /* (differential input) */ |
| MX6_IOM_GRP_DDRMODE, 0x00020000, |
| /* disable ddr pullups */ |
| MX6_IOM_GRP_DDRPKE, 0x00000000, |
| MX6_IOM_DRAM_SDBA2, 0x00000000, |
| /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ |
| MX6_IOM_GRP_DDR_TYPE, 0x000C0000, |
| |
| /* Read data DQ Byte0-3 delay */ |
| MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, |
| MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, |
| MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, |
| MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, |
| MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, |
| |
| /* |
| * MDMISC mirroring interleaved (row/bank/col) |
| */ |
| /* TODO: check what the RALAT field does */ |
| MX6_MMDC_P0_MDMISC, 0x00081740, |
| |
| /* |
| * MDSCR con_req |
| */ |
| MX6_MMDC_P0_MDSCR, 0x00008000, |
| |
| |
| /* 800mhz_2x64mx16.cfg */ |
| |
| MX6_MMDC_P0_MDPDC, 0x0002002D, |
| MX6_MMDC_P0_MDCFG0, 0x2C305503, |
| MX6_MMDC_P0_MDCFG1, 0xB66D8D63, |
| MX6_MMDC_P0_MDCFG2, 0x01FF00DB, |
| MX6_MMDC_P0_MDRWD, 0x000026D2, |
| MX6_MMDC_P0_MDOR, 0x00301023, |
| MX6_MMDC_P0_MDOTC, 0x00333030, |
| MX6_MMDC_P0_MDPDC, 0x0002556D, |
| /* CS0 End: 7MSB of ((0x10000000, + 512M) -1) >> 25 */ |
| MX6_MMDC_P0_MDASP, 0x00000017, |
| /* DDR3 DATA BUS SIZE: 64BIT */ |
| MX6_MMDC_P0_MDCTL, 0x821A0000, |
| /* DDR3 DATA BUS SIZE: 32BIT */ |
| /* MX6_MMDC_P0_MDCTL, 0x82190000, */ |
| |
| /* Write commands to DDR */ |
| /* Load Mode Registers */ |
| /* TODO Use Auto Self-Refresh mode (Extended Temperature)*/ |
| /* MX6_MMDC_P0_MDSCR, 0x04408032, */ |
| MX6_MMDC_P0_MDSCR, 0x04008032, |
| MX6_MMDC_P0_MDSCR, 0x00008033, |
| MX6_MMDC_P0_MDSCR, 0x00048031, |
| MX6_MMDC_P0_MDSCR, 0x13208030, |
| /* ZQ calibration */ |
| MX6_MMDC_P0_MDSCR, 0x04008040, |
| |
| MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, |
| MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, |
| MX6_MMDC_P0_MDREF, 0x00005800, |
| |
| MX6_MMDC_P0_MPODTCTRL, 0x00000000, |
| MX6_MMDC_P1_MPODTCTRL, 0x00000000, |
| |
| MX6_MMDC_P0_MPDGCTRL0, 0x42360232, |
| MX6_MMDC_P0_MPDGCTRL1, 0x021F022A, |
| MX6_MMDC_P1_MPDGCTRL0, 0x421E0224, |
| MX6_MMDC_P1_MPDGCTRL1, 0x02110218, |
| |
| MX6_MMDC_P0_MPRDDLCTL, 0x41434344, |
| MX6_MMDC_P1_MPRDDLCTL, 0x4345423E, |
| MX6_MMDC_P0_MPWRDLCTL, 0x39383339, |
| MX6_MMDC_P1_MPWRDLCTL, 0x3E363930, |
| |
| MX6_MMDC_P0_MPWLDECTRL0, 0x00340039, |
| MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D, |
| MX6_MMDC_P1_MPWLDECTRL0, 0x00120019, |
| MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D, |
| |
| MX6_MMDC_P0_MPMUR0, 0x00000800, |
| MX6_MMDC_P1_MPMUR0, 0x00000800, |
| MX6_MMDC_P0_MDSCR, 0x00000000, |
| MX6_MMDC_P0_MAPSR, 0x00011006, |
| }; |
| |
| static void ccgr_init(void) |
| { |
| struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; |
| |
| writel(0x00C03F3F, &ccm->CCGR0); |
| writel(0x0030FC03, &ccm->CCGR1); |
| writel(0x0FFFFFF3, &ccm->CCGR2); |
| writel(0x3FF0300F, &ccm->CCGR3); |
| writel(0x00FFF300, &ccm->CCGR4); |
| writel(0x0F0000F3, &ccm->CCGR5); |
| writel(0x000003FF, &ccm->CCGR6); |
| |
| /* |
| * Setup CCM_CCOSR register as follows: |
| * |
| * cko1_en = 1 --> CKO1 enabled |
| * cko1_div = 111 --> divide by 8 |
| * cko1_sel = 1011 --> ahb_clk_root |
| * |
| * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz |
| */ |
| writel(0x000000FB, &ccm->ccosr); |
| } |
| |
| static void ddr_init(int *table, int size) |
| { |
| int i; |
| |
| for (i = 0; i < size / 2 ; i++) |
| writel(table[2 * i + 1], table[2 * i]); |
| } |
| |
| static void spl_dram_init(void) |
| { |
| int minc, maxc; |
| |
| switch (get_cpu_temp_grade(&minc, &maxc)) { |
| case TEMP_COMMERCIAL: |
| case TEMP_EXTCOMMERCIAL: |
| if (is_cpu_type(MXC_CPU_MX6DL)) { |
| puts("Commercial temperature grade DDR3 timings, 64bit bus width.\n"); |
| ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table)); |
| } else { |
| puts("Commercial temperature grade DDR3 timings, 32bit bus width.\n"); |
| ddr_init(mx6s_dcd_table, ARRAY_SIZE(mx6s_dcd_table)); |
| } |
| break; |
| case TEMP_INDUSTRIAL: |
| case TEMP_AUTOMOTIVE: |
| default: |
| if (is_cpu_type(MXC_CPU_MX6DL)) { |
| puts("Industrial temperature grade DDR3 timings, 64bit bus width.\n"); |
| ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table)); |
| } else { |
| puts("Industrial temperature grade DDR3 timings, 32bit bus width.\n"); |
| ddr_init(mx6s_dcd_table, ARRAY_SIZE(mx6s_dcd_table)); |
| } |
| break; |
| }; |
| udelay(100); |
| } |
| |
| static iomux_v3_cfg_t const gpio_reset_pad[] = { |
| MX6_PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL) | |
| MUX_MODE_SION |
| #define GPIO_NRESET IMX_GPIO_NR(6, 27) |
| }; |
| |
| #define IMX_RESET_CAUSE_POR 0x00011 |
| static void nreset_out(void) |
| { |
| int reset_cause = get_imx_reset_cause(); |
| |
| if (reset_cause != IMX_RESET_CAUSE_POR) { |
| imx_iomux_v3_setup_multiple_pads(gpio_reset_pad, |
| ARRAY_SIZE(gpio_reset_pad)); |
| gpio_direction_output(GPIO_NRESET, 1); |
| udelay(100); |
| gpio_direction_output(GPIO_NRESET, 0); |
| } |
| } |
| |
| void board_init_f(ulong dummy) |
| { |
| /* setup AIPS and disable watchdog */ |
| arch_cpu_init(); |
| |
| ccgr_init(); |
| gpr_init(); |
| |
| /* iomux */ |
| board_early_init_f(); |
| |
| /* setup GP timer */ |
| timer_init(); |
| |
| /* UART clocks enabled and gd valid - init serial console */ |
| preloader_console_init(); |
| |
| /* Make sure we use dte mode */ |
| setup_dtemode_uart(); |
| |
| /* DDR initialization */ |
| spl_dram_init(); |
| |
| /* Clear the BSS. */ |
| memset(__bss_start, 0, __bss_end - __bss_start); |
| |
| /* Assert nReset_Out */ |
| nreset_out(); |
| |
| /* load/boot image from boot device */ |
| board_init_r(NULL, 0); |
| } |
| |
| void reset_cpu(ulong addr) |
| { |
| } |
| |
| #endif /* CONFIG_SPL_BUILD */ |
| |
| static struct mxc_serial_platdata mxc_serial_plat = { |
| .reg = (struct mxc_uart *)UART1_BASE, |
| .use_dte = true, |
| }; |
| |
| U_BOOT_DEVICE(mxc_serial) = { |
| .name = "serial_mxc", |
| .platdata = &mxc_serial_plat, |
| }; |
