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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2019-2023 Microchip Technology Inc.
*/
#include <dm.h>
#include <dm/devres.h>
#include <env.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <linux/compat.h>
#include <mpfs-mailbox.h>
DECLARE_GLOBAL_DATA_PTR;
#define MPFS_SYSREG_SOFT_RESET ((unsigned int *)0x20002088)
#define PERIPH_RESET_VALUE 0x800001e8u
#if IS_ENABLED(CONFIG_MPFS_SYSCONTROLLER)
static unsigned char mac_addr[6];
#endif
int board_init(void)
{
/* For now nothing to do here. */
return 0;
}
int board_early_init_f(void)
{
unsigned int val;
/* Reset uart, mmc peripheral */
val = readl(MPFS_SYSREG_SOFT_RESET);
val = (val & ~(PERIPH_RESET_VALUE));
writel(val, MPFS_SYSREG_SOFT_RESET);
return 0;
}
int board_late_init(void)
{
#if IS_ENABLED(CONFIG_MPFS_SYSCONTROLLER)
u32 ret;
int node;
u8 device_serial_number[16] = {0};
void *blob = (void *)gd->fdt_blob;
struct udevice *dev;
struct mpfs_sys_serv *sys_serv_priv;
ret = uclass_get_device_by_name(UCLASS_MISC, "syscontroller", &dev);
if (ret) {
debug("%s: system controller setup failed\n", __func__);
return ret;
}
sys_serv_priv = devm_kzalloc(dev, sizeof(*sys_serv_priv), GFP_KERNEL);
if (!sys_serv_priv)
return -ENOMEM;
sys_serv_priv->dev = dev;
sys_serv_priv->sys_controller = mpfs_syscontroller_get(dev);
ret = IS_ERR(sys_serv_priv->sys_controller);
if (ret) {
debug("%s: Failed to register system controller sub device ret=%d\n", __func__, ret);
return -ENODEV;
}
ret = mpfs_syscontroller_read_sernum(sys_serv_priv, device_serial_number);
if (ret) {
printf("Cannot read device serial number\n");
return -EINVAL;
}
/* Update MAC address with device serial number */
mac_addr[0] = 0x00;
mac_addr[1] = 0x04;
mac_addr[2] = 0xA3;
mac_addr[3] = device_serial_number[2];
mac_addr[4] = device_serial_number[1];
mac_addr[5] = device_serial_number[0];
node = fdt_path_offset(blob, "/soc/ethernet@20110000");
if (node >= 0) {
ret = fdt_setprop(blob, node, "local-mac-address", mac_addr, 6);
if (ret) {
printf("Error setting local-mac-address property for ethernet@20110000\n");
return -ENODEV;
}
}
mpfs_syscontroller_process_dtbo(sys_serv_priv);
#endif
return 0;
}
int ft_board_setup(void *blob, struct bd_info *bd)
{
#if IS_ENABLED(CONFIG_MPFS_SYSCONTROLLER)
u32 ret;
int node;
node = fdt_path_offset(blob, "/soc/ethernet@20110000");
if (node >= 0) {
ret = fdt_setprop(blob, node, "local-mac-address", mac_addr, 6);
if (ret) {
printf("Error setting local-mac-address property for ethernet@20110000\n");
return -ENODEV;
}
}
#endif
return 0;
}
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