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MLK-19183-2 iMX8QXP SPL: board: imx8qxp_mek: Add spl specific implementation 

This adds the spl specific code for imx8qxp.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
zero-sugar
Abel Vesa 2018-08-02 19:01:49 +03:00 committed by Teo Hall
parent 7586aa50fd
commit 30ac9734f6
3 changed files with 209 additions and 0 deletions
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4
board/freescale/imx8qxp_mek/Makefile
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@ -5,3 +5,7 @@
#
obj-y += imx8qxp_mek.o
ifdef CONFIG_SPL_BUILD
obj-y += spl.o
endif

2
board/freescale/imx8qxp_mek/imx8qxp_mek.c
View File

@ -100,6 +100,7 @@ int board_early_init_f(void)
#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 22)
#ifndef CONFIG_SPL_BUILD
static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
{USDHC1_BASE_ADDR, 0, 8},
{USDHC2_BASE_ADDR, 0, 4},
@ -193,6 +194,7 @@ int board_mmc_getcd(struct mmc *mmc)
return ret;
}
#endif /* CONFIG_SPL_BUILD */
#endif /* CONFIG_FSL_ESDHC */

203
board/freescale/imx8qxp_mek/spl.c 100644
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@ -0,0 +1,203 @@
/*
* Copyright 2018 NXP
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
#include <malloc.h>
#include <errno.h>
#include <netdev.h>
#include <fsl_ifc.h>
#include <fdt_support.h>
#include <linux/libfdt.h>
#include <environment.h>
#include <fsl_esdhc.h>
#include <i2c.h>
#include "pca953x.h"
#include <asm/io.h>
#include <asm/gpio.h>
#include <asm/arch/clock.h>
#include <asm/mach-imx/sci/sci.h>
#include <asm/arch/imx8-pins.h>
#include <dm.h>
#include <imx8_hsio.h>
#include <usb.h>
#include <asm/arch/iomux.h>
#include <asm/arch/sys_proto.h>
#include <asm/mach-imx/video.h>
#include <asm/arch/video_common.h>
#include <power-domain.h>
#include "../common/tcpc.h"
#include <cdns3-uboot.h>
DECLARE_GLOBAL_DATA_PTR;
#define ESDHC_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define ESDHC_CLK_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PD << PADRING_PULL_SHIFT))
#define ENET_INPUT_PAD_CTRL ((SC_PAD_CONFIG_OD_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define ENET_NORMAL_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_18V_10MA << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define FSPI_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define GPIO_PAD_CTRL ((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define I2C_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_DV_LOW << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
#ifdef CONFIG_FSL_ESDHC
#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 22)
static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
{USDHC1_BASE_ADDR, 0, 8},
{USDHC2_BASE_ADDR, 0, 4},
};
static iomux_cfg_t emmc0[] = {
SC_P_EMMC0_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
SC_P_EMMC0_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_EMMC0_STROBE | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};
static iomux_cfg_t usdhc1_sd[] = {
SC_P_USDHC1_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
SC_P_USDHC1_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_WP | MUX_PAD_CTRL(ESDHC_PAD_CTRL), /* Mux for WP */
SC_P_USDHC1_CD_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL), /* Mux for CD, GPIO4 IO22 */
SC_P_USDHC1_RESET_B | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
SC_P_USDHC1_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
};
void spl_dram_init(void)
{
/* do nothing for now */
}
int board_mmc_init(bd_t *bis)
{
int i, ret;
sc_ipc_t ipcHndl = 0;
ipcHndl = gd->arch.ipc_channel_handle;
/*
* According to the board_mmc_init() the following map is done:
* (U-boot device node) (Physical Port)
* mmc0 USDHC1
* mmc1 USDHC2
*/
for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
switch (i) {
case 0:
ret = sc_pm_set_resource_power_mode(ipcHndl, SC_R_SDHC_0, SC_PM_PW_MODE_ON);
if (ret != SC_ERR_NONE)
return ret;
imx8_iomux_setup_multiple_pads(emmc0, ARRAY_SIZE(emmc0));
init_clk_usdhc(0);
usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
break;
case 1:
ret = sc_pm_set_resource_power_mode(ipcHndl, SC_R_SDHC_1, SC_PM_PW_MODE_ON);
if (ret != SC_ERR_NONE)
return ret;
ret = sc_pm_set_resource_power_mode(ipcHndl, SC_R_GPIO_3, SC_PM_PW_MODE_ON);
if (ret != SC_ERR_NONE)
return ret;
imx8_iomux_setup_multiple_pads(usdhc1_sd, ARRAY_SIZE(usdhc1_sd));
init_clk_usdhc(1);
usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
gpio_request(USDHC1_CD_GPIO, "sd1_cd");
gpio_direction_input(USDHC1_CD_GPIO);
break;
default:
printf("Warning: you configured more USDHC controllers"
"(%d) than supported by the board\n", i + 1);
return 0;
}
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
if (ret) {
printf("Warning: failed to initialize mmc dev %d\n", i);
return ret;
}
}
return 0;
}
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 USDHC1_BASE_ADDR:
ret = 1; /* eMMC */
break;
case USDHC2_BASE_ADDR:
ret = !gpio_get_value(USDHC1_CD_GPIO);
break;
}
return ret;
}
#endif
void spl_board_init(void)
{
/* DDR initialization */
spl_dram_init();
puts("Normal Boot\n");
}
void board_init_f(ulong dummy)
{
/* Clear global data */
memset((void *)gd, 0, sizeof(gd_t));
arch_cpu_init();
board_early_init_f();
timer_init();
preloader_console_init();
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
board_init_r(NULL, 0);
}