diff options
Diffstat (limited to 'board/toradex/colibri_imx6/colibri_imx6.c')
| -rw-r--r-- | board/toradex/colibri_imx6/colibri_imx6.c | 1130 |
1 files changed, 1130 insertions, 0 deletions
diff --git a/board/toradex/colibri_imx6/colibri_imx6.c b/board/toradex/colibri_imx6/colibri_imx6.c new file mode 100644 index 0000000000..d070677054 --- /dev/null +++ b/board/toradex/colibri_imx6/colibri_imx6.c @@ -0,0 +1,1130 @@ +/* + * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> + * Copyright (C) 2014-2016, Toradex AG + * copied from nitrogen6x + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mx6-pins.h> +#include <asm/arch/mx6-ddr.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/arch/sys_proto.h> +#include <asm/bootm.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/imx-common/sata.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/video.h> +#include <asm/io.h> +#include <dm/platform_data/serial_mxc.h> +#include <dm/platdata.h> +#include <fsl_esdhc.h> +#include <i2c.h> +#include <imx_thermal.h> +#include <linux/errno.h> +#include <malloc.h> +#include <micrel.h> +#include <miiphy.h> +#include <mmc.h> +#include <netdev.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_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 SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + +#define BUTTON_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + +#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_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm) + +#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), +}; + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +/* Colibri I2C */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC, + .gp = IMX_GPIO_NR(1, 3) + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | PC, + .gp = IMX_GPIO_NR(1, 6) + } +}; + +/* Colibri local, PMIC, SGTL5000, STMPE811 */ +struct i2c_pads_info i2c_pad_info_loc = { + .scl = { + .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, + .gp = IMX_GPIO_NR(2, 30) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D16__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, + .gp = IMX_GPIO_NR(3, 16) + } +}; + +/* Apalis 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_PAD_CTRL), + MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +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), + MX6_PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_D1__GPIO2_IO01 | MUX_PAD_CTRL(WEAK_PULLUP), + /* ADDRESS[19:24] used as GPIO */ + MX6_PAD_DISP0_DAT23__GPIO5_IO17 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_DISP0_DAT22__GPIO5_IO16 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_DISP0_DAT21__GPIO5_IO15 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_DISP0_DAT20__GPIO5_IO14 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_DISP0_DAT19__GPIO5_IO13 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_DISP0_DAT18__GPIO5_IO12 | MUX_PAD_CTRL(WEAK_PULLUP), + /* DATA[16:29] [31] used as GPIO */ + MX6_PAD_EIM_LBA__GPIO2_IO27 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_CS3__GPIO6_IO16 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_ALE__GPIO6_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_CLE__GPIO6_IO07 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_CSI0_MCLK__GPIO5_IO19 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_CSI0_PIXCLK__GPIO5_IO18 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLUP), + /* DQM[0:3] used as GPIO */ + MX6_PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_EB1__GPIO2_IO29 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_SD2_DAT2__GPIO1_IO13 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(WEAK_PULLUP), + /* RDY used as GPIO */ + MX6_PAD_EIM_WAIT__GPIO5_IO00 | MUX_PAD_CTRL(WEAK_PULLUP), + /* ADDRESS[16] DATA[30] used as GPIO */ + MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(WEAK_PULLDOWN), + MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP), + /* CSI pins used as GPIO */ + MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_SD2_CMD__GPIO1_IO11 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_D18__GPIO3_IO18 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(WEAK_PULLDOWN), + MX6_PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_A17__GPIO2_IO21 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_A18__GPIO2_IO20 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_EB3__GPIO2_IO31 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_D17__GPIO3_IO17 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(WEAK_PULLUP), + /* GPIO */ + MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_EIM_D27__GPIO3_IO27 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_D3__GPIO2_IO03 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_ENET_REF_CLK__GPIO1_IO23 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_GPIO_7__GPIO1_IO07 | MUX_PAD_CTRL(WEAK_PULLUP), + MX6_PAD_GPIO_8__GPIO1_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), + /* 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[] = { + /* USB_PE */ + MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), +# 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 UFCR 0x90 /* FIFO Control Register */ +#define UFCR_DCEDTE (1<<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); +} + +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; +} + +int board_ehci_power(int port, int on) +{ + switch (port) { + case 0: + /* control OTG power */ + /* No special PE for USBC, always on when ID pin signals + host mode */ + break; + case 1: + /* Control MXM USBH */ + /* Set MXM USBH power enable, '0' means on */ + gpio_direction_output(GPIO_USBH_EN, !on); + mdelay(100); + break; + default: + break; + } + return 0; +} +#endif + +#ifdef CONFIG_FSL_ESDHC +/* 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_direction_input(GPIO_MMC_CD); + ret = !gpio_get_value(GPIO_MMC_CD); + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ +#ifndef CONFIG_SPL_BUILD + s32 status = 0; + u32 index = 0; + + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + + usdhc_cfg[0].max_bus_width = 8; + usdhc_cfg[1].max_bus_width = 4; + + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { + switch (index) { + case 0: + imx_iomux_v3_setup_multiple_pads( + usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); + break; + default: + printf("Warning: you configured more USDHC controllers (%d) then supported by the board (%d)\n", + index + 1, CONFIG_SYS_FSL_USDHC_NUM); + return status; + } + + status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]); + } + + return status; +#else + 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 +} +#endif + +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 + 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), +#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), +#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_direction_output(RGB_BACKLIGHTPWM_GP, 0); + gpio_direction_output(RGB_BACKLIGHT_GP, 1); +} +#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(); + +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif + 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; + + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc); + +#ifdef CONFIG_TDX_CMD_IMX_MFGR + (void) pmic_init(); +#endif + +#ifdef CONFIG_CMD_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); + setenv("board_rev", env_str); +#endif + + return 0; +} +#endif /* CONFIG_BOARD_LATE_INIT */ + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP) +int ft_system_setup(void *blob, bd_t *bd) +{ + return 0; +} +#endif + +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) +{ + return ft_common_board_setup(blob, bd); +} +#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 <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 gpr_init(void) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + /* enable AXI cache for VDOA/VPU/IPU */ + writel(0xF00000CF, &iomux->gpr[4]); + /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ + writel(0x007F007F, &iomux->gpr[6]); + writel(0x007F007F, &iomux->gpr[7]); +} + +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)) { + 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); +} + +void board_init_f(ulong dummy) +{ + /* setup AIPS and disable watchdog */ + arch_cpu_init(); + + ccgr_init(); + gpr_init(); + + /* iomux and setup of i2c */ + 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); + + /* load/boot image from boot device */ + board_init_r(NULL, 0); +} + +void reset_cpu(ulong addr) +{ +} + +#endif + +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, +}; |