u-boot/board/gateworks/venice/imx8mm_venice.c
Tim Harvey 2eb85647c0 board: gateworks: venice: add board model to dt
Add the specific board model from EEPROM config to the device-tree to
make it easier to access from Linux userspace.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
2021-08-09 14:46:50 +02:00

162 lines
2.8 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2021 Gateworks Corporation
*/
#include <common.h>
#include <init.h>
#include <led.h>
#include <linux/delay.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/clock.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
#include <asm/unaligned.h>
#include "gsc.h"
DECLARE_GLOBAL_DATA_PTR;
int board_phys_sdram_size(phys_size_t *size)
{
const fdt64_t *val;
int offset;
int len;
/* get size from dt which SPL updated per EEPROM config */
offset = fdt_path_offset(gd->fdt_blob, "/memory");
if (offset < 0)
return -EINVAL;
val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
if (len < sizeof(*val) * 2)
return -EINVAL;
*size = get_unaligned_be64(&val[1]);
return 0;
}
int board_fit_config_name_match(const char *name)
{
int i = 0;
const char *dtb;
static char init;
char buf[32];
do {
dtb = gsc_get_dtb_name(i++, buf, sizeof(buf));
if (!strcmp(dtb, name)) {
if (!init++)
printf("DTB : %s\n", name);
return 0;
}
} while (dtb);
return -1;
}
#if (IS_ENABLED(CONFIG_FEC_MXC))
static int setup_fec(void)
{
struct iomuxc_gpr_base_regs *gpr =
(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
/* Use 125M anatop REF_CLK1 for ENET1, not from external */
clrsetbits_le32(&gpr->gpr[1], 0x2000, 0);
return 0;
}
int board_phy_config(struct phy_device *phydev)
{
unsigned short val;
switch (phydev->phy_id) {
case 0x2000a231: /* TI DP83867 GbE PHY */
puts("DP83867 ");
/* LED configuration */
val = 0;
val |= 0x5 << 4; /* LED1(Amber;Speed) : 1000BT link */
val |= 0xb << 8; /* LED2(Green;Link/Act): blink for TX/RX act */
phy_write(phydev, MDIO_DEVAD_NONE, 24, val);
break;
}
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
#endif // IS_ENABLED(CONFIG_FEC_MXC)
int board_init(void)
{
gsc_init(1);
if (IS_ENABLED(CONFIG_FEC_MXC))
setup_fec();
gsc_hwmon();
return 0;
}
int board_late_init(void)
{
const char *str;
char env[32];
int ret, i;
u8 enetaddr[6];
char fdt[64];
led_default_state();
/* Set board serial/model */
env_set_ulong("serial#", gsc_get_serial());
env_set("model", gsc_get_model());
/* Set fdt_file vars */
i = 0;
do {
str = gsc_get_dtb_name(i, fdt, sizeof(fdt));
if (str) {
sprintf(env, "fdt_file%d", i + 1);
strcat(fdt, ".dtb");
env_set(env, fdt);
}
i++;
} while (str);
/* Set mac addrs */
i = 0;
do {
if (i)
sprintf(env, "eth%daddr", i);
else
sprintf(env, "ethaddr");
str = env_get(env);
if (!str) {
ret = gsc_getmac(i, enetaddr);
if (!ret)
eth_env_set_enetaddr(env, enetaddr);
}
i++;
} while (!ret);
return 0;
}
int board_mmc_get_env_dev(int devno)
{
return devno;
}
int ft_board_setup(void *blob, struct bd_info *bd)
{
/* set board model dt prop */
fdt_setprop_string(blob, 0, "board", gsc_get_model());
return 0;
}