diff options
author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/compulab/cm_fx6/cm_fx6.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/compulab/cm_fx6/cm_fx6.c')
-rw-r--r-- | roms/u-boot/board/compulab/cm_fx6/cm_fx6.c | 798 |
1 files changed, 798 insertions, 0 deletions
diff --git a/roms/u-boot/board/compulab/cm_fx6/cm_fx6.c b/roms/u-boot/board/compulab/cm_fx6/cm_fx6.c new file mode 100644 index 000000000..f29b08247 --- /dev/null +++ b/roms/u-boot/board/compulab/cm_fx6/cm_fx6.c @@ -0,0 +1,798 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Board functions for Compulab CM-FX6 board + * + * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ + * + * Author: Nikita Kiryanov <nikita@compulab.co.il> + */ + +#include <common.h> +#include <ahci.h> +#include <dm.h> +#include <dwc_ahsata.h> +#include <env.h> +#include <fsl_esdhc_imx.h> +#include <init.h> +#include <miiphy.h> +#include <mtd_node.h> +#include <net.h> +#include <netdev.h> +#include <errno.h> +#include <usb.h> +#include <fdt_support.h> +#include <sata.h> +#include <splash.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/iomux.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/global_data.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/mach-imx/sata.h> +#include <asm/mach-imx/video.h> +#include <asm/io.h> +#include <asm/gpio.h> +#include <dm/platform_data/serial_mxc.h> +#include <dm/device-internal.h> +#include <jffs2/load_kernel.h> +#include <linux/delay.h> +#include "common.h" +#include "../common/eeprom.h" +#include "../common/common.h" + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_SPLASH_SCREEN +static struct splash_location cm_fx6_splash_locations[] = { + { + .name = "sf", + .storage = SPLASH_STORAGE_SF, + .flags = SPLASH_STORAGE_RAW, + .offset = 0x100000, + }, + { + .name = "mmc_fs", + .storage = SPLASH_STORAGE_MMC, + .flags = SPLASH_STORAGE_FS, + .devpart = "2:1", + }, + { + .name = "usb_fs", + .storage = SPLASH_STORAGE_USB, + .flags = SPLASH_STORAGE_FS, + .devpart = "0:1", + }, + { + .name = "sata_fs", + .storage = SPLASH_STORAGE_SATA, + .flags = SPLASH_STORAGE_FS, + .devpart = "0:1", + }, +}; + +int splash_screen_prepare(void) +{ + return splash_source_load(cm_fx6_splash_locations, + ARRAY_SIZE(cm_fx6_splash_locations)); +} +#endif + +#ifdef CONFIG_IMX_HDMI +static void cm_fx6_enable_hdmi(struct display_info_t const *dev) +{ + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + imx_setup_hdmi(); + setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK); + imx_enable_hdmi_phy(); +} + +static struct display_info_t preset_hdmi_1024X768 = { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .enable = cm_fx6_enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 40385, + .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, + } +}; + +static void cm_fx6_setup_display(void) +{ + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; + + enable_ipu_clock(); + clrbits_le32(&iomuxc_regs->gpr[3], MXC_CCM_CCGR3_IPU1_IPU_DI0_MASK); +} + +int board_video_skip(void) +{ + int ret; + struct display_info_t *preset; + char const *panel = env_get("displaytype"); + + if (!panel) /* Also accept panel for backward compatibility */ + panel = env_get("panel"); + + if (!panel) + return -ENOENT; + + if (!strcmp(panel, "HDMI")) + preset = &preset_hdmi_1024X768; + else + return -EINVAL; + + ret = ipuv3_fb_init(&preset->mode, 0, preset->pixfmt); + if (ret) { + printf("Can't init display %s: %d\n", preset->mode.name, ret); + return ret; + } + + preset->enable(preset); + printf("Display: %s (%ux%u)\n", preset->mode.name, preset->mode.xres, + preset->mode.yres); + + return 0; +} +#else +static inline void cm_fx6_setup_display(void) {} +#endif /* CONFIG_VIDEO_IPUV3 */ + +int ipu_displays_init(void) +{ + return board_video_skip(); +} + +#ifdef CONFIG_DWC_AHSATA +static int cm_fx6_issd_gpios[] = { + /* The order of the GPIOs in the array is important! */ + CM_FX6_SATA_LDO_EN, + CM_FX6_SATA_PHY_SLP, + CM_FX6_SATA_NRSTDLY, + CM_FX6_SATA_PWREN, + CM_FX6_SATA_NSTANDBY1, + CM_FX6_SATA_NSTANDBY2, +}; + +static void cm_fx6_sata_power(int on) +{ + int i; + + if (!on) { /* tell the iSSD that the power will be removed */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 1); + mdelay(10); + } + + for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) { + gpio_direction_output(cm_fx6_issd_gpios[i], on); + udelay(100); + } + + if (!on) /* for compatibility lower the power loss interrupt */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); +} + +static iomux_v3_cfg_t const sata_pads[] = { + /* SATA PWR */ + IOMUX_PADS(PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + /* SATA CTRL */ + IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D23__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static int cm_fx6_setup_issd(void) +{ + int ret, i; + + SETUP_IOMUX_PADS(sata_pads); + + for (i = 0; i < ARRAY_SIZE(cm_fx6_issd_gpios); i++) { + ret = gpio_request(cm_fx6_issd_gpios[i], "sata"); + if (ret) + return ret; + } + + ret = gpio_request(CM_FX6_SATA_PWLOSS_INT, "sata_pwloss_int"); + if (ret) + return ret; + + return 0; +} + +#define CM_FX6_SATA_INIT_RETRIES 10 + +#else +static int cm_fx6_setup_issd(void) { return 0; } +#endif + +#ifdef CONFIG_SYS_I2C_MXC +#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) + +I2C_PADS(i2c0_pads, + PAD_EIM_D21__I2C1_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_EIM_D21__GPIO3_IO21 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(3, 21), + PAD_EIM_D28__I2C1_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(3, 28)); + +I2C_PADS(i2c1_pads, + PAD_KEY_COL3__I2C2_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_KEY_COL3__GPIO4_IO12 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(4, 12), + PAD_KEY_ROW3__I2C2_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_KEY_ROW3__GPIO4_IO13 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(4, 13)); + +I2C_PADS(i2c2_pads, + PAD_GPIO_3__I2C3_SCL | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(1, 3), + PAD_GPIO_6__I2C3_SDA | MUX_PAD_CTRL(I2C_PAD_CTRL), + PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(I2C_PAD_CTRL), + IMX_GPIO_NR(1, 6)); + + +static int cm_fx6_setup_one_i2c(int busnum, struct i2c_pads_info *pads) +{ + int ret; + + ret = setup_i2c(busnum, CONFIG_SYS_I2C_SPEED, 0x7f, pads); + if (ret) + printf("Warning: I2C%d setup failed: %d\n", busnum, ret); + + return ret; +} + +static int cm_fx6_setup_i2c(void) +{ + int ret = 0, err; + + /* i2c<x>_pads are wierd macro variables; we can't use an array */ + err = cm_fx6_setup_one_i2c(0, I2C_PADS_INFO(i2c0_pads)); + if (err) + ret = err; + err = cm_fx6_setup_one_i2c(1, I2C_PADS_INFO(i2c1_pads)); + if (err) + ret = err; + err = cm_fx6_setup_one_i2c(2, I2C_PADS_INFO(i2c2_pads)); + if (err) + ret = err; + + return ret; +} +#else +static int cm_fx6_setup_i2c(void) { return 0; } +#endif + +#ifdef CONFIG_USB_EHCI_MX6 +#define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_HYS | PAD_CTL_SRE_SLOW) +#define MX6_USBNC_BASEADDR 0x2184800 +#define USBNC_USB_H1_PWR_POL (1 << 9) + +static int cm_fx6_setup_usb_host(void) +{ + int err; + + err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst"); + if (err) + return err; + + SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)); + SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL)); + + return 0; +} + +static int cm_fx6_setup_usb_otg(void) +{ + int err; + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + err = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr"); + if (err) { + printf("USB OTG pwr gpio request failed: %d\n", err); + return err; + } + + SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL)); + SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID | + MUX_PAD_CTRL(WEAK_PULLDOWN)); + clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK); + /* disable ext. charger detect, or it'll affect signal quality at dp. */ + return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0); +} + +int board_usb_phy_mode(int port) +{ + return USB_INIT_HOST; +} + +int board_ehci_hcd_init(int port) +{ + int ret; + u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4); + + /* Only 1 host controller in use. port 0 is OTG & needs no attention */ + if (port != 1) + return 0; + + /* Set PWR polarity to match power switch's enable polarity */ + setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL); + ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 0); + if (ret) + return ret; + + udelay(10); + ret = gpio_direction_output(CM_FX6_USB_HUB_RST, 1); + if (ret) + return ret; + + mdelay(1); + + return 0; +} + +int board_ehci_power(int port, int on) +{ + if (port == 0) + return gpio_direction_output(SB_FX6_USB_OTG_PWR, on); + + return 0; +} +#else +static int cm_fx6_setup_usb_otg(void) { return 0; } +static int cm_fx6_setup_usb_host(void) { return 0; } +#endif + +#ifdef CONFIG_FEC_MXC +#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS) + +static int mx6_rgmii_rework(struct phy_device *phydev) +{ + unsigned short val; + + /* Ar8031 phy SmartEEE feature cause link status generates glitch, + * which cause ethernet link down/up issue, so disable SmartEEE + */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x3); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x805d); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4003); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= ~(0x1 << 8); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); + phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); + + val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); + val &= 0xffe3; + val |= 0x18; + phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); + + /* introduce tx clock delay */ + phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); + val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); + val |= 0x0100; + phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); + + return 0; +} + +int board_phy_config(struct phy_device *phydev) +{ + mx6_rgmii_rework(phydev); + + if (phydev->drv->config) + return phydev->drv->config(phydev); + + return 0; +} + +static iomux_v3_cfg_t const enet_pads[] = { + IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_GPIO_0__CCM_CLKO1 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_GPIO_3__CCM_CLKO2 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(0x84)), + IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL)), + IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | + MUX_PAD_CTRL(ENET_PAD_CTRL)), +}; + +static int handle_mac_address(char *env_var, uint eeprom_bus) +{ + unsigned char enetaddr[6]; + int rc; + + rc = eth_env_get_enetaddr(env_var, enetaddr); + if (rc) + return 0; + + rc = cl_eeprom_read_mac_addr(enetaddr, eeprom_bus); + if (rc) + return rc; + + if (!is_valid_ethaddr(enetaddr)) + return -1; + + return eth_env_set_enetaddr(env_var, enetaddr); +} + +#define SB_FX6_I2C_EEPROM_BUS 0 +#define NO_MAC_ADDR "No MAC address found for %s\n" +int board_eth_init(struct bd_info *bis) +{ + int err; + + if (handle_mac_address("ethaddr", CONFIG_SYS_I2C_EEPROM_BUS)) + printf(NO_MAC_ADDR, "primary NIC"); + + if (handle_mac_address("eth1addr", SB_FX6_I2C_EEPROM_BUS)) + printf(NO_MAC_ADDR, "secondary NIC"); + + SETUP_IOMUX_PADS(enet_pads); + /* phy reset */ + err = gpio_request(CM_FX6_ENET_NRST, "enet_nrst"); + if (err) + printf("Etnernet NRST gpio request failed: %d\n", err); + gpio_direction_output(CM_FX6_ENET_NRST, 0); + udelay(500); + gpio_set_value(CM_FX6_ENET_NRST, 1); + enable_enet_clk(1); + return cpu_eth_init(bis); +} +#endif + +#ifdef CONFIG_NAND_MXS +static iomux_v3_cfg_t const nand_pads[] = { + IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static void cm_fx6_setup_gpmi_nand(void) +{ + SETUP_IOMUX_PADS(nand_pads); + /* Enable clock roots */ + enable_usdhc_clk(1, 3); + enable_usdhc_clk(1, 4); + + setup_gpmi_io_clk(MXC_CCM_CS2CDR_ENFC_CLK_PODF(0xf) | + MXC_CCM_CS2CDR_ENFC_CLK_PRED(1) | + MXC_CCM_CS2CDR_ENFC_CLK_SEL(0)); +} +#else +static void cm_fx6_setup_gpmi_nand(void) {} +#endif + +#ifdef CONFIG_MXC_SPI +int cm_fx6_setup_ecspi(void) +{ + cm_fx6_set_ecspi_iomux(); + return gpio_request(CM_FX6_ECSPI_BUS0_CS0, "ecspi_bus0_cs0"); +} +#else +int cm_fx6_setup_ecspi(void) { return 0; } +#endif + +#ifdef CONFIG_OF_BOARD_SETUP +#define USDHC3_PATH "/soc/aips-bus@02100000/usdhc@02198000/" + +static const struct node_info nodes[] = { + /* + * Both entries target the same flash chip. The st,m25p compatible + * is used in the vendor device trees, while upstream uses (the + * documented) jedec,spi-nor compatible. + */ + { "st,m25p", MTD_DEV_TYPE_NOR, }, + { "jedec,spi-nor", MTD_DEV_TYPE_NOR, }, +}; + +int ft_board_setup(void *blob, struct bd_info *bd) +{ + u32 baseboard_rev; + int nodeoffset; + uint8_t enetaddr[6]; + char baseboard_name[16]; + int err; + + fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */ + + /* MAC addr */ + if (eth_env_get_enetaddr("ethaddr", enetaddr)) { + fdt_find_and_setprop(blob, + "/soc/aips-bus@02100000/ethernet@02188000", + "local-mac-address", enetaddr, 6, 1); + } + + if (eth_env_get_enetaddr("eth1addr", enetaddr)) { + fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address", + enetaddr, 6, 1); + } + + fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); + + baseboard_rev = cl_eeprom_get_board_rev(0); + err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0); + if (err || baseboard_rev == 0) + return 0; /* Assume not an early revision SB-FX6m baseboard */ + + if (!strncmp("SB-FX6m", baseboard_name, 7) && baseboard_rev <= 120) { + nodeoffset = fdt_path_offset(blob, USDHC3_PATH); + fdt_delprop(blob, nodeoffset, "cd-gpios"); + fdt_find_and_setprop(blob, USDHC3_PATH, "broken-cd", + NULL, 0, 1); + fdt_find_and_setprop(blob, USDHC3_PATH, "keep-power-in-suspend", + NULL, 0, 1); + } + + return 0; +} +#endif + +int board_init(void) +{ + int ret; + + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + cm_fx6_setup_gpmi_nand(); + + ret = cm_fx6_setup_ecspi(); + if (ret) + printf("Warning: ECSPI setup failed: %d\n", ret); + + ret = cm_fx6_setup_usb_otg(); + if (ret) + printf("Warning: USB OTG setup failed: %d\n", ret); + + ret = cm_fx6_setup_usb_host(); + if (ret) + printf("Warning: USB host setup failed: %d\n", ret); + + /* + * cm-fx6 may have iSSD not assembled and in this case it has + * bypasses for a (m)SATA socket on the baseboard. The socketed + * device is not controlled by those GPIOs. So just print a warning + * if the setup fails. + */ + ret = cm_fx6_setup_issd(); + if (ret) + printf("Warning: iSSD setup failed: %d\n", ret); + + /* Warn on failure but do not abort boot */ + ret = cm_fx6_setup_i2c(); + if (ret) + printf("Warning: I2C setup failed: %d\n", ret); + + cm_fx6_setup_display(); + + /* This should be done in the MMC driver when MX6 has a clock driver */ +#ifdef CONFIG_FSL_ESDHC_IMX + if (IS_ENABLED(CONFIG_BLK)) { + int i; + + cm_fx6_set_usdhc_iomux(); + for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) + enable_usdhc_clk(1, i); + } +#endif + + return 0; +} + +int board_late_init(void) +{ +#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG + char baseboard_name[16]; + int err; + + if (is_mx6dq()) + env_set("board_rev", "MX6Q"); + else if (is_mx6dl()) + env_set("board_rev", "MX6DL"); + + err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0); + if (err) + return 0; + + if (!strncmp("SB-FX6m", baseboard_name, 7)) + env_set("board_name", "Utilite"); +#endif + return 0; +} + +int checkboard(void) +{ + puts("Board: CM-FX6\n"); + return 0; +} + +int misc_init_r(void) +{ + cl_print_pcb_info(); + + return 0; +} + +int dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + + switch (gd->ram_size) { + case 0x10000000: /* DDR_16BIT_256MB */ + gd->bd->bi_dram[0].size = 0x10000000; + gd->bd->bi_dram[1].size = 0; + break; + case 0x20000000: /* DDR_32BIT_512MB */ + gd->bd->bi_dram[0].size = 0x20000000; + gd->bd->bi_dram[1].size = 0; + break; + case 0x40000000: + if (is_cpu_type(MXC_CPU_MX6SOLO)) { /* DDR_32BIT_1GB */ + gd->bd->bi_dram[0].size = 0x20000000; + gd->bd->bi_dram[1].size = 0x20000000; + } else { /* DDR_64BIT_1GB */ + gd->bd->bi_dram[0].size = 0x40000000; + gd->bd->bi_dram[1].size = 0; + } + break; + case 0x80000000: /* DDR_64BIT_2GB */ + gd->bd->bi_dram[0].size = 0x40000000; + gd->bd->bi_dram[1].size = 0x40000000; + break; + case 0xEFF00000: /* DDR_64BIT_4GB */ + gd->bd->bi_dram[0].size = 0x70000000; + gd->bd->bi_dram[1].size = 0x7FF00000; + break; + } + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = imx_ddr_size(); + switch (gd->ram_size) { + case 0x10000000: + case 0x20000000: + case 0x40000000: + case 0x80000000: + break; + case 0xF0000000: + gd->ram_size -= 0x100000; + break; + default: + printf("ERROR: Unsupported DRAM size 0x%lx\n", gd->ram_size); + return -1; + } + + return 0; +} + +u32 get_board_rev(void) +{ + return cl_eeprom_get_board_rev(CONFIG_SYS_I2C_EEPROM_BUS); +} + +static struct mxc_serial_plat cm_fx6_mxc_serial_plat = { + .reg = (struct mxc_uart *)UART4_BASE, +}; + +U_BOOT_DRVINFO(cm_fx6_serial) = { + .name = "serial_mxc", + .plat = &cm_fx6_mxc_serial_plat, +}; + +#if CONFIG_IS_ENABLED(AHCI) +static int sata_imx_probe(struct udevice *dev) +{ + int i, err; + + /* Make sure this gpio has logical 0 value */ + gpio_direction_output(CM_FX6_SATA_PWLOSS_INT, 0); + udelay(100); + cm_fx6_sata_power(1); + + for (i = 0; i < CM_FX6_SATA_INIT_RETRIES; i++) { + err = setup_sata(); + if (err) { + printf("SATA setup failed: %d\n", err); + return err; + } + + udelay(100); + + err = dwc_ahsata_probe(dev); + if (!err) + break; + + /* There is no device on the SATA port */ + if (sata_dm_port_status(0, 0) == 0) + break; + + /* There's a device, but link not established. Retry */ + device_remove(dev, DM_REMOVE_NORMAL); + } + + return 0; +} + +static int sata_imx_remove(struct udevice *dev) +{ + cm_fx6_sata_power(0); + mdelay(250); + + return 0; +} + +struct ahci_ops sata_imx_ops = { + .port_status = dwc_ahsata_port_status, + .reset = dwc_ahsata_bus_reset, + .scan = dwc_ahsata_scan, +}; + +static const struct udevice_id sata_imx_ids[] = { + { .compatible = "fsl,imx6q-ahci" }, + { } +}; + +U_BOOT_DRIVER(sata_imx) = { + .name = "dwc_ahci", + .id = UCLASS_AHCI, + .of_match = sata_imx_ids, + .ops = &sata_imx_ops, + .probe = sata_imx_probe, + .remove = sata_imx_remove, /* reset bus to stop it */ +}; +#endif /* AHCI */ |