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arm: socfpga: agilex5: Refactor system manager driver initialization

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Refactor system manager initialization by searching for system manager
alias in Agilex5 device tree instead of manually passing node name to
the device model calling function

Signed-off-by: Alif Zakuan Yuslaimi <alif.zakuan.yuslaimi@altera.com>
Reviewed-by: Tien Fong Chee <tien.fong.chee@altera.com>
This commit is contained in:
Alif Zakuan Yuslaimi 2025-08-03 18:24:36 -07:00 committed by Tien Fong Chee
parent a44423e7e9
commit 5416a3a306
5 changed files with 19 additions and 7 deletions
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4
arch/arm/dts/socfpga_agilex5.dtsi
View File

@ -596,4 +596,8 @@
};
};
};
aliases {
sysmgr = &sysmgr;
};
};

2
arch/arm/mach-socfpga/include/mach/misc.h
View File

@ -52,7 +52,7 @@ bool is_periph_program_force(void);
void set_regular_boot(unsigned int status);
void socfpga_pl310_clear(void);
void socfpga_get_managers_addr(void);
void socfpga_get_sys_mgr_addr(const char *compat);
void socfpga_get_sys_mgr_addr(void);
int qspi_flash_software_reset(void);
#endif /* _SOCFPGA_MISC_H_ */

16
arch/arm/mach-socfpga/misc.c
View File

@ -11,6 +11,7 @@
#include <hang.h>
#include <watchdog.h>
#include <fdtdec.h>
#include <dm/ofnode.h>
#include <linux/libfdt.h>
#include <linux/printk.h>
#include <miiphy.h>
@ -274,17 +275,24 @@ void socfpga_get_managers_addr(void)
hang();
}
void socfpga_get_sys_mgr_addr(const char *compat)
void socfpga_get_sys_mgr_addr(void)
{
int ret;
struct udevice *sysmgr_dev;
struct udevice *dev;
ret = uclass_get_device_by_name(UCLASS_NOP, compat, &sysmgr_dev);
ofnode node = ofnode_get_aliases_node("sysmgr");
if (!ofnode_valid(node)) {
printf("'sysmgr' alias not found in device tree\n");
hang();
}
ret = uclass_get_device_by_ofnode(UCLASS_NOP, node, &dev);
if (ret) {
printf("Altera system manager init failed: %d\n", ret);
hang();
} else {
socfpga_sysmgr_base = (phys_addr_t)dev_read_addr(sysmgr_dev);
socfpga_sysmgr_base = (phys_addr_t)dev_read_addr(dev);
}
}

2
arch/arm/mach-socfpga/spl_agilex5.c
View File

@ -51,7 +51,7 @@ void board_init_f(ulong dummy)
if (ret)
hang();
socfpga_get_sys_mgr_addr("sysmgr@10d12000");
socfpga_get_sys_mgr_addr();
socfpga_get_managers_addr();
sysmgr_pinmux_init();

2
board/intel/agilex5-socdk/socfpga.c
View File

@ -7,6 +7,6 @@
int board_early_init_f(void)
{
socfpga_get_sys_mgr_addr("sysmgr@10d12000");
socfpga_get_sys_mgr_addr();
return 0;
}