u-boot/board/engicam/common/board.c
Simon Glass db41d65a97 common: Move hang() to the same header as panic()
At present panic() is in the vsprintf.h header file. That does not seem
like an obvious choice for hang(), even though it relates to panic(). So
let's put hang() in its own header.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Migrate a few more files]
Signed-off-by: Tom Rini <trini@konsulko.com>
2020-01-17 17:53:40 -05:00

196 lines
4.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Amarula Solutions B.V.
* Copyright (C) 2016 Engicam S.r.l.
* Author: Jagan Teki <jagan@amarulasolutions.com>
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <hang.h>
#include <init.h>
#include <mmc.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/sys_proto.h>
#include <watchdog.h>
#include "board.h"
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_ENV_IS_IN_MMC
static void mmc_late_init(void)
{
char cmd[32];
char mmcblk[32];
u32 dev_no = mmc_get_env_dev();
env_set_ulong("mmcdev", dev_no);
/* Set mmcblk env */
sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", dev_no);
env_set("mmcroot", mmcblk);
sprintf(cmd, "mmc dev %d", dev_no);
run_command(cmd, 0);
}
#endif
enum engicam_boards {
IMX6Q_ICORE,
IMX6DL_ICORE,
IMX6Q_ICORE_MIPI,
IMX6DL_ICORE_MIPI,
IMX6Q_ICORE_RQS,
IMX6DL_ICORE_RQS,
IMX6UL_GEAM,
IMX6UL_ISIOT_EMMC,
IMX6UL_ISIOT_NAND,
ENGICAM_BOARDS,
};
static const char * const board_fdt_file[ENGICAM_BOARDS] = {
[IMX6Q_ICORE] = "imx6q-icore.dtb",
[IMX6DL_ICORE] = "imx6dl-icore.dtb",
[IMX6Q_ICORE_MIPI] = "imx6q-icore-mipi.dtb",
[IMX6DL_ICORE_MIPI] = "imx6dl-icore-mipi.dtb",
[IMX6Q_ICORE_RQS] = "imx6q-icore-rqs.dtb",
[IMX6DL_ICORE_RQS] = "imx6dl-icore-rqs.dtb",
[IMX6UL_GEAM] = "imx6ul-geam.dtb",
[IMX6UL_ISIOT_EMMC] = "imx6ul-isiot-emmc.dtb",
[IMX6UL_ISIOT_NAND] = "imx6ul-isiot-nand.dtb",
};
static int setenv_fdt_file(int board_detected)
{
if (board_detected < 0 || board_detected >= ENGICAM_BOARDS)
return -EINVAL;
if (!board_fdt_file[board_detected])
return -ENODEV;
env_set("fdt_file", board_fdt_file[board_detected]);
return 0;
}
static enum engicam_boards engicam_board_detect(void)
{
const char *cmp_dtb = CONFIG_DEFAULT_DEVICE_TREE;
if (!strcmp(cmp_dtb, "imx6q-icore")) {
if (is_mx6dq())
return IMX6Q_ICORE;
else if (is_mx6dl() || is_mx6solo())
return IMX6DL_ICORE;
} else if (!strcmp(cmp_dtb, "imx6q-icore-mipi")) {
if (is_mx6dq())
return IMX6Q_ICORE_MIPI;
else if (is_mx6dl() || is_mx6solo())
return IMX6DL_ICORE_MIPI;
} else if (!strcmp(cmp_dtb, "imx6q-icore-rqs")) {
if (is_mx6dq())
return IMX6Q_ICORE_RQS;
else if (is_mx6dl() || is_mx6solo())
return IMX6DL_ICORE_RQS;
} else if (!strcmp(cmp_dtb, "imx6ul-geam"))
return IMX6UL_GEAM;
else if (!strcmp(cmp_dtb, "imx6ul-isiot-emmc"))
return IMX6UL_ISIOT_EMMC;
else if (!strcmp(cmp_dtb, "imx6ul-isiot-nand"))
return IMX6UL_ISIOT_NAND;
return -EINVAL;
}
static int fixup_enet_clock(enum engicam_boards board_detected)
{
struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
int clk_internal = 0;
switch (board_detected) {
case IMX6Q_ICORE_MIPI:
case IMX6DL_ICORE_MIPI:
clk_internal = 1;
break;
default:
break;
}
/* set gpr1[21] to select anatop clock */
debug("fixup_enet_clock %d\n", clk_internal);
clrsetbits_le32(&iomuxc_regs->gpr[1], 0x1 << 21, clk_internal << 21);
if (!clk_internal) {
/* clock is external */
return 0;
}
return enable_fec_anatop_clock(0, ENET_50MHZ);
}
int board_late_init(void)
{
enum engicam_boards board_detected = IMX6Q_ICORE;
switch ((imx6_src_get_boot_mode() & IMX6_BMODE_MASK) >>
IMX6_BMODE_SHIFT) {
case IMX6_BMODE_SD:
case IMX6_BMODE_ESD:
case IMX6_BMODE_MMC:
case IMX6_BMODE_EMMC:
#ifdef CONFIG_ENV_IS_IN_MMC
mmc_late_init();
#endif
env_set("modeboot", "mmcboot");
break;
case IMX6_BMODE_NAND_MIN ... IMX6_BMODE_NAND_MAX:
env_set("modeboot", "nandboot");
break;
default:
env_set("modeboot", "");
break;
}
if (is_mx6ul())
env_set("console", "ttymxc0");
else
env_set("console", "ttymxc3");
board_detected = engicam_board_detect();
if (board_detected < 0)
hang();
fixup_enet_clock(board_detected);
setenv_fdt_file(board_detected);
#ifdef CONFIG_HW_WATCHDOG
hw_watchdog_init();
#endif
return 0;
}
int board_init(void)
{
/* Address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
#ifdef CONFIG_NAND_MXS
setup_gpmi_nand();
#endif
#ifdef CONFIG_VIDEO_IPUV3
setup_display();
#endif
return 0;
}
int dram_init(void)
{
gd->ram_size = imx_ddr_size();
return 0;
}