uboot/u-boot-stm32mp-2020.01/board/mscc/luton/luton.c

83 lines
1.6 KiB
C

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* Copyright (c) 2018 Microsemi Corporation
*/
#include <common.h>
#include <init.h>
#include <asm/io.h>
#include <led.h>
#include <miiphy.h>
enum {
BOARD_TYPE_PCB090 = 0xAABBCD00,
BOARD_TYPE_PCB091,
};
void board_debug_uart_init(void)
{
/* too early for the pinctrl driver, so configure the UART pins here */
mscc_gpio_set_alternate(30, 1);
mscc_gpio_set_alternate(31, 1);
}
int board_early_init_r(void)
{
/* Prepare SPI controller to be used in master mode */
writel(0, BASE_CFG + ICPU_SW_MODE);
/* Address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE;
/* LED setup */
if (IS_ENABLED(CONFIG_LED))
led_default_state();
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
phy_write(phydev, 0, 31, 0x10);
phy_write(phydev, 0, 18, 0x80A0);
while (phy_read(phydev, 0, 18) & 0x8000)
;
phy_write(phydev, 0, 31, 0);
return 0;
}
static void do_board_detect(void)
{
u32 chipid = (readl(BASE_DEVCPU_GCB + CHIP_ID) >> 12) & 0xFFFF;
if (chipid == 0x7428 || chipid == 0x7424)
gd->board_type = BOARD_TYPE_PCB091; // Lu10
else
gd->board_type = BOARD_TYPE_PCB090; // Lu26
}
#if defined(CONFIG_MULTI_DTB_FIT)
int board_fit_config_name_match(const char *name)
{
if (gd->board_type == BOARD_TYPE_PCB090 &&
strcmp(name, "luton_pcb090") == 0)
return 0;
if (gd->board_type == BOARD_TYPE_PCB091 &&
strcmp(name, "luton_pcb091") == 0)
return 0;
return -1;
}
#endif
#if defined(CONFIG_DTB_RESELECT)
int embedded_dtb_select(void)
{
do_board_detect();
fdtdec_setup();
return 0;
}
#endif