| /* |
| * Board functions for Compulab CM-FX6 board |
| * |
| * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/ |
| * |
| * Author: Nikita Kiryanov <nikita@compulab.co.il> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <fsl_esdhc.h> |
| #include <miiphy.h> |
| #include <netdev.h> |
| #include <fdt_support.h> |
| #include <sata.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/iomux.h> |
| #include <asm/imx-common/mxc_i2c.h> |
| #include <asm/imx-common/sata.h> |
| #include <asm/io.h> |
| #include <asm/gpio.h> |
| #include <dm/platform_data/serial_mxc.h> |
| #include "common.h" |
| #include "../common/eeprom.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #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 |
| int sata_initialize(void) |
| { |
| int err, i; |
| |
| /* 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 = __sata_initialize(); |
| if (!err) |
| break; |
| |
| /* There is no device on the SATA port */ |
| if (sata_port_status(0, 0) == 0) |
| break; |
| |
| /* There's a device, but link not established. Retry */ |
| } |
| |
| return err; |
| } |
| |
| int sata_stop(void) |
| { |
| __sata_stop(); |
| cm_fx6_sata_power(0); |
| mdelay(250); |
| |
| return 0; |
| } |
| #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_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(void) |
| { |
| unsigned char enetaddr[6]; |
| int rc; |
| |
| rc = eth_getenv_enetaddr("ethaddr", enetaddr); |
| if (rc) |
| return 0; |
| |
| rc = cl_eeprom_read_mac_addr(enetaddr); |
| if (rc) |
| return rc; |
| |
| if (!is_valid_ether_addr(enetaddr)) |
| return -1; |
| |
| return eth_setenv_enetaddr("ethaddr", enetaddr); |
| } |
| |
| int board_eth_init(bd_t *bis) |
| { |
| int err; |
| |
| err = handle_mac_address(); |
| if (err) |
| puts("No MAC address found\n"); |
| |
| 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_FSL_ESDHC |
| static struct fsl_esdhc_cfg usdhc_cfg[3] = { |
| {USDHC1_BASE_ADDR}, |
| {USDHC2_BASE_ADDR}, |
| {USDHC3_BASE_ADDR}, |
| }; |
| |
| static enum mxc_clock usdhc_clk[3] = { |
| MXC_ESDHC_CLK, |
| MXC_ESDHC2_CLK, |
| MXC_ESDHC3_CLK, |
| }; |
| |
| int board_mmc_init(bd_t *bis) |
| { |
| int i; |
| |
| cm_fx6_set_usdhc_iomux(); |
| for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { |
| usdhc_cfg[i].sdhc_clk = mxc_get_clock(usdhc_clk[i]); |
| usdhc_cfg[i].max_bus_width = 4; |
| fsl_esdhc_initialize(bis, &usdhc_cfg[i]); |
| enable_usdhc_clk(1, i); |
| } |
| |
| return 0; |
| } |
| #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 |
| int ft_board_setup(void *blob, bd_t *bd) |
| { |
| uint8_t enetaddr[6]; |
| |
| /* MAC addr */ |
| if (eth_getenv_enetaddr("ethaddr", enetaddr)) { |
| fdt_find_and_setprop(blob, "/fec", "local-mac-address", |
| enetaddr, 6, 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); |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: CM-FX6\n"); |
| return 0; |
| } |
| |
| void 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; |
| } |
| } |
| |
| 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(); |
| } |
| |
| static struct mxc_serial_platdata cm_fx6_mxc_serial_plat = { |
| .reg = (struct mxc_uart *)UART4_BASE, |
| }; |
| |
| U_BOOT_DEVICE(cm_fx6_serial) = { |
| .name = "serial_mxc", |
| .platdata = &cm_fx6_mxc_serial_plat, |
| }; |