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u-boot/board/ge/bx50v3/bx50v3.c
Ken Lin 22d358da0b board: ge: bx50v3: add the PMIC configuration support 
Change the PMIC bulk configuration from auto mode to sync mode to avoid
voltage dropout issue seen in auto mode.

Signed-off-by: Ken Lin <ken.lin@advantech.com.tw>
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
2016-11-29 16:42:53 +01:00

683 lines
19 KiB
C
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/*
* Copyright 2015 Timesys Corporation
* Copyright 2015 General Electric Company
* Copyright 2012 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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/imx-common/mxc_i2c.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/video.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.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 <pwm.h>
DECLARE_GLOBAL_DATA_PTR;
#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);
udelay(500);
gpio_set_value(IMX_GPIO_NR(1, 28), 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 */
phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
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 detect_baseboard(struct display_info_t const *dev)
{
if (IS_ENABLED(CONFIG_TARGET_GE_B450V3) ||
IS_ENABLED(CONFIG_TARGET_GE_B650V3))
return 1;
return 0;
}
struct display_info_t const displays[] = {{
.bus = -1,
.addr = -1,
.pixfmt = IPU_PIX_FMT_RGB24,
.detect = detect_baseboard,
.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;
/* 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;
}
int board_eth_init(bd_t *bis)
{
setup_iomux_enet();
setup_pcie();
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),
};
#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_ENABLED(CONFIG_TARGET_GE_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;
}
int board_init(void)
{
gpio_direction_output(SUS_S3_OUT, 1);
gpio_direction_output(WIFI_EN, 1);
#if defined(CONFIG_VIDEO_IPUV3)
if (IS_ENABLED(CONFIG_TARGET_GE_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
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);
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)
{
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
#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
/* board specific pmic init */
pmic_init();
return 0;
}
int checkboard(void)
{
printf("BOARD: %s\n", CONFIG_BOARD_NAME);
return 0;
}
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