board: microchip: mpfs_icicle: update to use system controller

A new system controller driver has been created to make code modular and
improve and clean code. Update and remove functions to account for these
additional drivers.

Signed-off-by: Jamie Gibbons <jamie.gibbons@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
This commit is contained in:
Jamie Gibbons
2025-08-14 15:33:00 +08:00
committed by Leo Yu-Chi Liang
parent c93a93e4f2
commit f6da31b634
+32 -40
View File
@@ -4,55 +4,22 @@
* Padmarao Begari <padmarao.begari@microchip.com>
*/
#include <dm.h>
#include <env.h>
#include <init.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/sections.h>
#include <dm.h>
#include <dm/devres.h>
#include <env.h>
#include <linux/compat.h>
#include <mpfs-mailbox.h>
DECLARE_GLOBAL_DATA_PTR;
#define MPFS_SYSREG_SOFT_RESET ((unsigned int *)0x20002088)
#define MPFS_SYS_SERVICE_CR ((unsigned int *)0x37020050)
#define MPFS_SYS_SERVICE_SR ((unsigned int *)0x37020054)
#define MPFS_SYS_SERVICE_MAILBOX ((unsigned char *)0x37020800)
#define MPFS_SYSREG_SOFT_RESET ((unsigned int *)0x20002088)
#define PERIPH_RESET_VALUE 0x1e8u
#define SERVICE_CR_REQ 0x1u
#define SERVICE_SR_BUSY 0x2u
static unsigned char mac_addr[6];
static void read_device_serial_number(u8 *response, u8 response_size)
{
u8 idx;
u8 *response_buf;
unsigned int val;
response_buf = (u8 *)response;
writel(SERVICE_CR_REQ, MPFS_SYS_SERVICE_CR);
/*
* REQ bit will remain set till the system controller starts
* processing.
*/
do {
val = readl(MPFS_SYS_SERVICE_CR);
} while (SERVICE_CR_REQ == (val & SERVICE_CR_REQ));
/*
* Once system controller starts processing the busy bit will
* go high and service is completed when busy bit is gone low
*/
do {
val = readl(MPFS_SYS_SERVICE_SR);
} while (SERVICE_SR_BUSY == (val & SERVICE_SR_BUSY));
for (idx = 0; idx < response_size; idx++)
response_buf[idx] = readb(MPFS_SYS_SERVICE_MAILBOX + idx);
}
#if defined(CONFIG_MULTI_DTB_FIT)
int board_fit_config_name_match(const char *name)
{
@@ -149,8 +116,33 @@ int board_late_init(void)
int node;
u8 device_serial_number[16] = {0};
void *blob = (void *)gd->fdt_blob;
struct udevice *dev;
struct mpfs_sys_serv *sys_serv_priv;
read_device_serial_number(device_serial_number, 16);
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 = kzalloc(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;