upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
876 lines
23 KiB
876 lines
23 KiB
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2015 Timesys Corporation
|
|
* Copyright 2015 General Electric Company
|
|
* Copyright 2012 Freescale Semiconductor, Inc.
|
|
*/
|
|
|
|
#include <asm/arch/clock.h>
|
|
#include <asm/arch/imx-regs.h>
|
|
#include <asm/arch/iomux.h>
|
|
#include <asm/arch/mx6-pins.h>
|
|
#include <linux/errno.h>
|
|
#include <asm/gpio.h>
|
|
#include <asm/mach-imx/mxc_i2c.h>
|
|
#include <asm/mach-imx/iomux-v3.h>
|
|
#include <asm/mach-imx/boot_mode.h>
|
|
#include <asm/mach-imx/video.h>
|
|
#include <mmc.h>
|
|
#include <fsl_esdhc.h>
|
|
#include <miiphy.h>
|
|
#include <net.h>
|
|
#include <netdev.h>
|
|
#include <asm/arch/mxc_hdmi.h>
|
|
#include <asm/arch/crm_regs.h>
|
|
#include <asm/io.h>
|
|
#include <asm/arch/sys_proto.h>
|
|
#include <i2c.h>
|
|
#include <input.h>
|
|
#include <pwm.h>
|
|
#include <stdlib.h>
|
|
#include "../common/ge_common.h"
|
|
#include "../common/vpd_reader.h"
|
|
#include "../../../drivers/net/e1000.h"
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
struct vpd_cache;
|
|
|
|
static int confidx = 3; /* Default to b850v3. */
|
|
static struct vpd_cache vpd;
|
|
|
|
#ifndef CONFIG_SYS_I2C_EEPROM_ADDR
|
|
# define CONFIG_SYS_I2C_EEPROM_ADDR 0x50
|
|
# define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
|
|
#endif
|
|
|
|
#ifndef CONFIG_SYS_I2C_EEPROM_BUS
|
|
#define CONFIG_SYS_I2C_EEPROM_BUS 4
|
|
#endif
|
|
|
|
#define NC_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
|
|
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
|
|
PAD_CTL_HYS)
|
|
|
|
#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_PUE | \
|
|
PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
|
|
|
|
#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
|
|
PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
|
|
|
|
#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
|
|
PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
|
|
|
|
#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
|
|
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
|
|
|
|
#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 I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
|
|
|
|
int dram_init(void)
|
|
{
|
|
gd->ram_size = imx_ddr_size();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static iomux_v3_cfg_t const uart3_pads[] = {
|
|
MX6_PAD_EIM_D31__UART3_RTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
MX6_PAD_EIM_D23__UART3_CTS_B | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
MX6_PAD_EIM_D24__UART3_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
MX6_PAD_EIM_D25__UART3_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const uart4_pads[] = {
|
|
MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const enet_pads[] = {
|
|
MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
|
|
MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
|
|
MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
|
|
MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
|
|
MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
|
|
MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
|
|
MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
|
|
MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
|
|
/* AR8033 PHY Reset */
|
|
MX6_PAD_ENET_TX_EN__GPIO1_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
static void setup_iomux_enet(void)
|
|
{
|
|
imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
|
|
|
|
/* Reset AR8033 PHY */
|
|
gpio_direction_output(IMX_GPIO_NR(1, 28), 0);
|
|
mdelay(10);
|
|
gpio_set_value(IMX_GPIO_NR(1, 28), 1);
|
|
mdelay(1);
|
|
}
|
|
|
|
static iomux_v3_cfg_t const usdhc2_pads[] = {
|
|
MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
static 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_RST__SD3_RESET | 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),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const usdhc4_pads[] = {
|
|
MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
|
|
MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
static iomux_v3_cfg_t const ecspi1_pads[] = {
|
|
MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
|
|
MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
|
|
MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
|
|
MX6_PAD_EIM_EB2__GPIO2_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
static struct i2c_pads_info i2c_pad_info1 = {
|
|
.scl = {
|
|
.i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | I2C_PAD,
|
|
.gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(5, 27)
|
|
},
|
|
.sda = {
|
|
.i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | I2C_PAD,
|
|
.gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(5, 26)
|
|
}
|
|
};
|
|
|
|
static struct i2c_pads_info i2c_pad_info2 = {
|
|
.scl = {
|
|
.i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
|
|
.gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(4, 12)
|
|
},
|
|
.sda = {
|
|
.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
|
|
.gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(4, 13)
|
|
}
|
|
};
|
|
|
|
static struct i2c_pads_info i2c_pad_info3 = {
|
|
.scl = {
|
|
.i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | I2C_PAD,
|
|
.gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(1, 3)
|
|
},
|
|
.sda = {
|
|
.i2c_mode = MX6_PAD_GPIO_6__I2C3_SDA | I2C_PAD,
|
|
.gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | I2C_PAD,
|
|
.gp = IMX_GPIO_NR(1, 6)
|
|
}
|
|
};
|
|
|
|
#ifdef CONFIG_MXC_SPI
|
|
int board_spi_cs_gpio(unsigned bus, unsigned cs)
|
|
{
|
|
return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(2, 30)) : -1;
|
|
}
|
|
|
|
static void setup_spi(void)
|
|
{
|
|
imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
|
|
}
|
|
#endif
|
|
|
|
static iomux_v3_cfg_t const pcie_pads[] = {
|
|
MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
static void setup_pcie(void)
|
|
{
|
|
imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads));
|
|
}
|
|
|
|
static void setup_iomux_uart(void)
|
|
{
|
|
imx_iomux_v3_setup_multiple_pads(uart3_pads, ARRAY_SIZE(uart3_pads));
|
|
imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
|
|
}
|
|
|
|
#ifdef CONFIG_FSL_ESDHC
|
|
struct fsl_esdhc_cfg usdhc_cfg[3] = {
|
|
{USDHC2_BASE_ADDR},
|
|
{USDHC3_BASE_ADDR},
|
|
{USDHC4_BASE_ADDR},
|
|
};
|
|
|
|
#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
|
|
#define USDHC4_CD_GPIO IMX_GPIO_NR(6, 11)
|
|
|
|
int board_mmc_getcd(struct mmc *mmc)
|
|
{
|
|
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
|
|
int ret = 0;
|
|
|
|
switch (cfg->esdhc_base) {
|
|
case USDHC2_BASE_ADDR:
|
|
ret = !gpio_get_value(USDHC2_CD_GPIO);
|
|
break;
|
|
case USDHC3_BASE_ADDR:
|
|
ret = 1; /* eMMC is always present */
|
|
break;
|
|
case USDHC4_BASE_ADDR:
|
|
ret = !gpio_get_value(USDHC4_CD_GPIO);
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int board_mmc_init(bd_t *bis)
|
|
{
|
|
int ret;
|
|
int i;
|
|
|
|
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
|
|
switch (i) {
|
|
case 0:
|
|
imx_iomux_v3_setup_multiple_pads(
|
|
usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
|
|
gpio_direction_input(USDHC2_CD_GPIO);
|
|
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
|
|
break;
|
|
case 1:
|
|
imx_iomux_v3_setup_multiple_pads(
|
|
usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
|
|
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
|
|
break;
|
|
case 2:
|
|
imx_iomux_v3_setup_multiple_pads(
|
|
usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
|
|
gpio_direction_input(USDHC4_CD_GPIO);
|
|
usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
|
|
break;
|
|
default:
|
|
printf("Warning: you configured more USDHC controllers\n"
|
|
"(%d) then supported by the board (%d)\n",
|
|
i + 1, CONFIG_SYS_FSL_USDHC_NUM);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int mx6_rgmii_rework(struct phy_device *phydev)
|
|
{
|
|
/* Configure AR8033 to ouput a 125MHz clk from CLK_25M */
|
|
/* set device address 0x7 */
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
|
|
/* offset 0x8016: CLK_25M Clock Select */
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
|
|
/* enable register write, no post increment, address 0x7 */
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
|
|
/* set to 125 MHz from local PLL source */
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x18);
|
|
|
|
/* rgmii tx clock delay enable */
|
|
/* set debug port address: SerDes Test and System Mode Control */
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
|
|
/* enable rgmii tx clock delay */
|
|
/* set the reserved bits to avoid board specific voltage peak issue*/
|
|
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3D47);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_phy_config(struct phy_device *phydev)
|
|
{
|
|
mx6_rgmii_rework(phydev);
|
|
|
|
if (phydev->drv->config)
|
|
phydev->drv->config(phydev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
static iomux_v3_cfg_t const backlight_pads[] = {
|
|
/* Power for LVDS Display */
|
|
MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
#define LVDS_POWER_GP IMX_GPIO_NR(3, 22)
|
|
/* Backlight enable for LVDS display */
|
|
MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
#define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 0)
|
|
/* backlight PWM brightness control */
|
|
MX6_PAD_SD1_DAT3__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
};
|
|
|
|
static void do_enable_hdmi(struct display_info_t const *dev)
|
|
{
|
|
imx_enable_hdmi_phy();
|
|
}
|
|
|
|
int board_cfb_skip(void)
|
|
{
|
|
gpio_direction_output(LVDS_POWER_GP, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int is_b850v3(void)
|
|
{
|
|
return confidx == 3;
|
|
}
|
|
|
|
static int detect_lcd(struct display_info_t const *dev)
|
|
{
|
|
return !is_b850v3();
|
|
}
|
|
|
|
struct display_info_t const displays[] = {{
|
|
.bus = -1,
|
|
.addr = -1,
|
|
.pixfmt = IPU_PIX_FMT_RGB24,
|
|
.detect = detect_lcd,
|
|
.enable = NULL,
|
|
.mode = {
|
|
.name = "G121X1-L03",
|
|
.refresh = 60,
|
|
.xres = 1024,
|
|
.yres = 768,
|
|
.pixclock = 15385,
|
|
.left_margin = 20,
|
|
.right_margin = 300,
|
|
.upper_margin = 30,
|
|
.lower_margin = 8,
|
|
.hsync_len = 1,
|
|
.vsync_len = 1,
|
|
.sync = FB_SYNC_EXT,
|
|
.vmode = FB_VMODE_NONINTERLACED
|
|
} }, {
|
|
.bus = -1,
|
|
.addr = 3,
|
|
.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
|
|
} } };
|
|
size_t display_count = ARRAY_SIZE(displays);
|
|
|
|
static void enable_videopll(void)
|
|
{
|
|
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
|
|
s32 timeout = 100000;
|
|
|
|
setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
|
|
|
|
/* set video pll to 910MHz (24MHz * (37+11/12))
|
|
* video pll post div to 910/4 = 227.5MHz
|
|
*/
|
|
clrsetbits_le32(&ccm->analog_pll_video,
|
|
BM_ANADIG_PLL_VIDEO_DIV_SELECT |
|
|
BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT,
|
|
BF_ANADIG_PLL_VIDEO_DIV_SELECT(37) |
|
|
BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0));
|
|
|
|
writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
|
|
writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
|
|
|
|
clrbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
|
|
|
|
while (timeout--)
|
|
if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
|
|
break;
|
|
|
|
if (timeout < 0)
|
|
printf("Warning: video pll lock timeout!\n");
|
|
|
|
clrsetbits_le32(&ccm->analog_pll_video,
|
|
BM_ANADIG_PLL_VIDEO_BYPASS,
|
|
BM_ANADIG_PLL_VIDEO_ENABLE);
|
|
}
|
|
|
|
static void setup_display_b850v3(void)
|
|
{
|
|
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
|
|
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
|
|
|
|
enable_videopll();
|
|
|
|
/* IPU1 D0 clock is 227.5 / 3.5 = 65MHz */
|
|
clrbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
|
|
|
|
imx_setup_hdmi();
|
|
|
|
/* Set LDB_DI0 as clock source for IPU_DI0 */
|
|
clrsetbits_le32(&mxc_ccm->chsccdr,
|
|
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
|
|
(CHSCCDR_CLK_SEL_LDB_DI0 <<
|
|
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
|
|
|
|
/* Turn on IPU LDB DI0 clocks */
|
|
setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
|
|
|
|
enable_ipu_clock();
|
|
|
|
writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
|
|
IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
|
|
IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
|
|
IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
|
|
IOMUXC_GPR2_DATA_WIDTH_CH1_24BIT |
|
|
IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
|
|
IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
|
|
IOMUXC_GPR2_SPLIT_MODE_EN_MASK |
|
|
IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0 |
|
|
IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0,
|
|
&iomux->gpr[2]);
|
|
|
|
clrbits_le32(&iomux->gpr[3],
|
|
IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |
|
|
IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
|
|
IOMUXC_GPR3_HDMI_MUX_CTL_MASK);
|
|
}
|
|
|
|
static void setup_display_bx50v3(void)
|
|
{
|
|
struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
|
|
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
|
|
|
|
enable_videopll();
|
|
|
|
/* When a reset/reboot is performed the display power needs to be turned
|
|
* off for atleast 500ms. The boot time is ~300ms, we need to wait for
|
|
* an additional 200ms here. Unfortunately we use external PMIC for
|
|
* doing the reset, so can not differentiate between POR vs soft reset
|
|
*/
|
|
mdelay(200);
|
|
|
|
/* IPU1 DI0 clock is 480/7 = 68.5 MHz */
|
|
setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
|
|
|
|
/* Set LDB_DI0 as clock source for IPU_DI0 */
|
|
clrsetbits_le32(&mxc_ccm->chsccdr,
|
|
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK,
|
|
(CHSCCDR_CLK_SEL_LDB_DI0 <<
|
|
MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET));
|
|
|
|
/* Turn on IPU LDB DI0 clocks */
|
|
setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
|
|
|
|
enable_ipu_clock();
|
|
|
|
writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
|
|
IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
|
|
IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
|
|
IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT |
|
|
IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
|
|
&iomux->gpr[2]);
|
|
|
|
clrsetbits_le32(&iomux->gpr[3],
|
|
IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
|
|
(IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
|
|
IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET));
|
|
|
|
/* backlights off until needed */
|
|
imx_iomux_v3_setup_multiple_pads(backlight_pads,
|
|
ARRAY_SIZE(backlight_pads));
|
|
gpio_direction_input(LVDS_POWER_GP);
|
|
gpio_direction_input(LVDS_BACKLIGHT_GP);
|
|
}
|
|
#endif /* CONFIG_VIDEO_IPUV3 */
|
|
|
|
/*
|
|
* Do not overwrite the console
|
|
* Use always serial for U-Boot console
|
|
*/
|
|
int overwrite_console(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
#define VPD_TYPE_INVALID 0x00
|
|
#define VPD_BLOCK_NETWORK 0x20
|
|
#define VPD_BLOCK_HWID 0x44
|
|
#define VPD_PRODUCT_B850 1
|
|
#define VPD_PRODUCT_B650 2
|
|
#define VPD_PRODUCT_B450 3
|
|
#define VPD_HAS_MAC1 0x1
|
|
#define VPD_HAS_MAC2 0x2
|
|
#define VPD_MAC_ADDRESS_LENGTH 6
|
|
|
|
struct vpd_cache {
|
|
u8 product_id;
|
|
u8 has;
|
|
unsigned char mac1[VPD_MAC_ADDRESS_LENGTH];
|
|
unsigned char mac2[VPD_MAC_ADDRESS_LENGTH];
|
|
};
|
|
|
|
/*
|
|
* Extracts MAC and product information from the VPD.
|
|
*/
|
|
static int vpd_callback(void *userdata, u8 id, u8 version, u8 type,
|
|
size_t size, u8 const *data)
|
|
{
|
|
struct vpd_cache *vpd = (struct vpd_cache *)userdata;
|
|
|
|
if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID &&
|
|
size >= 1) {
|
|
vpd->product_id = data[0];
|
|
} else if (id == VPD_BLOCK_NETWORK && version == 1 &&
|
|
type != VPD_TYPE_INVALID) {
|
|
if (size >= 6) {
|
|
vpd->has |= VPD_HAS_MAC1;
|
|
memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH);
|
|
}
|
|
if (size >= 12) {
|
|
vpd->has |= VPD_HAS_MAC2;
|
|
memcpy(vpd->mac2, data + 6, VPD_MAC_ADDRESS_LENGTH);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void process_vpd(struct vpd_cache *vpd)
|
|
{
|
|
int fec_index = -1;
|
|
int i210_index = -1;
|
|
|
|
switch (vpd->product_id) {
|
|
case VPD_PRODUCT_B450:
|
|
env_set("confidx", "1");
|
|
i210_index = 0;
|
|
fec_index = 1;
|
|
break;
|
|
case VPD_PRODUCT_B650:
|
|
env_set("confidx", "2");
|
|
i210_index = 0;
|
|
fec_index = 1;
|
|
break;
|
|
case VPD_PRODUCT_B850:
|
|
env_set("confidx", "3");
|
|
i210_index = 1;
|
|
fec_index = 2;
|
|
break;
|
|
}
|
|
|
|
if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1))
|
|
eth_env_set_enetaddr_by_index("eth", fec_index, vpd->mac1);
|
|
|
|
if (i210_index >= 0 && (vpd->has & VPD_HAS_MAC2))
|
|
eth_env_set_enetaddr_by_index("eth", i210_index, vpd->mac2);
|
|
}
|
|
|
|
static int read_vpd(uint eeprom_bus)
|
|
{
|
|
int res;
|
|
int size = 1024;
|
|
uint8_t *data;
|
|
unsigned int current_i2c_bus = i2c_get_bus_num();
|
|
|
|
res = i2c_set_bus_num(eeprom_bus);
|
|
if (res < 0)
|
|
return res;
|
|
|
|
data = (uint8_t *)malloc(size);
|
|
if (!data)
|
|
return -ENOMEM;
|
|
|
|
res = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
|
|
CONFIG_SYS_I2C_EEPROM_ADDR_LEN, data, size);
|
|
|
|
if (res == 0) {
|
|
memset(&vpd, 0, sizeof(vpd));
|
|
vpd_reader(size, data, &vpd, vpd_callback);
|
|
}
|
|
|
|
free(data);
|
|
|
|
i2c_set_bus_num(current_i2c_bus);
|
|
return res;
|
|
}
|
|
|
|
int board_eth_init(bd_t *bis)
|
|
{
|
|
setup_iomux_enet();
|
|
setup_pcie();
|
|
|
|
e1000_initialize(bis);
|
|
|
|
return cpu_eth_init(bis);
|
|
}
|
|
|
|
static iomux_v3_cfg_t const misc_pads[] = {
|
|
MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
|
|
MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_CS0__GPIO2_IO23 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_CS1__GPIO2_IO24 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_OE__GPIO2_IO25 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
MX6_PAD_GPIO_9__WDOG1_B | MUX_PAD_CTRL(NC_PAD_CTRL),
|
|
};
|
|
#define SUS_S3_OUT IMX_GPIO_NR(4, 11)
|
|
#define WIFI_EN IMX_GPIO_NR(6, 14)
|
|
|
|
int board_early_init_f(void)
|
|
{
|
|
imx_iomux_v3_setup_multiple_pads(misc_pads,
|
|
ARRAY_SIZE(misc_pads));
|
|
|
|
setup_iomux_uart();
|
|
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
if (is_b850v3())
|
|
/* Set LDB clock to Video PLL */
|
|
select_ldb_di_clock_source(MXC_PLL5_CLK);
|
|
else
|
|
/* Set LDB clock to USB PLL */
|
|
select_ldb_di_clock_source(MXC_PLL3_SW_CLK);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void set_confidx(const struct vpd_cache* vpd)
|
|
{
|
|
switch (vpd->product_id) {
|
|
case VPD_PRODUCT_B450:
|
|
confidx = 1;
|
|
break;
|
|
case VPD_PRODUCT_B650:
|
|
confidx = 2;
|
|
break;
|
|
case VPD_PRODUCT_B850:
|
|
confidx = 3;
|
|
break;
|
|
}
|
|
}
|
|
|
|
int board_init(void)
|
|
{
|
|
setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
|
|
setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
|
|
setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3);
|
|
|
|
read_vpd(CONFIG_SYS_I2C_EEPROM_BUS);
|
|
|
|
set_confidx(&vpd);
|
|
|
|
gpio_direction_output(SUS_S3_OUT, 1);
|
|
gpio_direction_output(WIFI_EN, 1);
|
|
#if defined(CONFIG_VIDEO_IPUV3)
|
|
if (is_b850v3())
|
|
setup_display_b850v3();
|
|
else
|
|
setup_display_bx50v3();
|
|
#endif
|
|
/* address of boot parameters */
|
|
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
|
|
|
|
#ifdef CONFIG_MXC_SPI
|
|
setup_spi();
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
static const struct boot_mode board_boot_modes[] = {
|
|
/* 4 bit bus width */
|
|
{"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)},
|
|
{"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
|
|
{NULL, 0},
|
|
};
|
|
#endif
|
|
|
|
void pmic_init(void)
|
|
{
|
|
#define I2C_PMIC 0x2
|
|
#define DA9063_I2C_ADDR 0x58
|
|
#define DA9063_REG_BCORE2_CFG 0x9D
|
|
#define DA9063_REG_BCORE1_CFG 0x9E
|
|
#define DA9063_REG_BPRO_CFG 0x9F
|
|
#define DA9063_REG_BIO_CFG 0xA0
|
|
#define DA9063_REG_BMEM_CFG 0xA1
|
|
#define DA9063_REG_BPERI_CFG 0xA2
|
|
#define DA9063_BUCK_MODE_MASK 0xC0
|
|
#define DA9063_BUCK_MODE_MANUAL 0x00
|
|
#define DA9063_BUCK_MODE_SLEEP 0x40
|
|
#define DA9063_BUCK_MODE_SYNC 0x80
|
|
#define DA9063_BUCK_MODE_AUTO 0xC0
|
|
|
|
uchar val;
|
|
|
|
i2c_set_bus_num(I2C_PMIC);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE2_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BCORE1_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPRO_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BIO_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BMEM_CFG, 1, &val, 1);
|
|
|
|
i2c_read(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
|
|
val &= ~DA9063_BUCK_MODE_MASK;
|
|
val |= DA9063_BUCK_MODE_SYNC;
|
|
i2c_write(DA9063_I2C_ADDR, DA9063_REG_BPERI_CFG, 1, &val, 1);
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
process_vpd(&vpd);
|
|
|
|
#ifdef CONFIG_CMD_BMODE
|
|
add_board_boot_modes(board_boot_modes);
|
|
#endif
|
|
|
|
if (is_b850v3())
|
|
env_set("videoargs", "video=DP-1:1024x768@60 video=HDMI-A-1:1024x768@60");
|
|
|
|
/* board specific pmic init */
|
|
pmic_init();
|
|
|
|
check_time();
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Removes the 'eth[0-9]*addr' environment variable with the given index
|
|
*
|
|
* @param index [in] the index of the eth_device whose variable is to be removed
|
|
*/
|
|
static void remove_ethaddr_env_var(int index)
|
|
{
|
|
char env_var_name[9];
|
|
|
|
sprintf(env_var_name, index == 0 ? "ethaddr" : "eth%daddr", index);
|
|
env_set(env_var_name, NULL);
|
|
}
|
|
|
|
int last_stage_init(void)
|
|
{
|
|
int i;
|
|
|
|
/*
|
|
* Remove first three ethaddr which may have been created by
|
|
* function process_vpd().
|
|
*/
|
|
for (i = 0; i < 3; ++i)
|
|
remove_ethaddr_env_var(i);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int checkboard(void)
|
|
{
|
|
printf("BOARD: %s\n", CONFIG_BOARD_NAME);
|
|
return 0;
|
|
}
|
|
|
|
static int do_backlight_enable(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
#ifdef CONFIG_VIDEO_IPUV3
|
|
/* We need at least 200ms between power on and backlight on
|
|
* as per specifications from CHI MEI */
|
|
mdelay(250);
|
|
|
|
/* enable backlight PWM 1 */
|
|
pwm_init(0, 0, 0);
|
|
|
|
/* duty cycle 5000000ns, period: 5000000ns */
|
|
pwm_config(0, 5000000, 5000000);
|
|
|
|
/* Backlight Power */
|
|
gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
|
|
|
|
pwm_enable(0);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
bx50_backlight_enable, 1, 1, do_backlight_enable,
|
|
"enable Bx50 backlight",
|
|
""
|
|
);
|
|
|