]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
imx: imx9: Get the chip revision through S400 API
authorPeng Fan <peng.fan@nxp.com>
Tue, 26 Jul 2022 08:40:56 +0000 (16:40 +0800)
committerStefano Babic <sbabic@denx.de>
Tue, 26 Jul 2022 09:29:01 +0000 (11:29 +0200)
Update the get chip revision methond to use S400 API, also record
other information like lifecycle and UID to global data.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
arch/arm/include/asm/global_data.h
arch/arm/mach-imx/imx9/soc.c

index 09f352269e53a27474320b62b644196aaf539783..6ee2a767615823a16d042bfa29d5570201de3610 100644 (file)
@@ -92,6 +92,9 @@ struct arch_global_data {
 
 #ifdef CONFIG_IMX_SENTINEL
        struct udevice *s400_dev;
+       u32 soc_rev;
+       u32 lifecycle;
+       u32 uid[4];
 #endif
 
 };
index 7c71cbdd55a91bf82d730ce44e27dce872fb5106..c71a5a925045fef773d7196eacfbaab81f07317f 100644 (file)
@@ -27,6 +27,7 @@
 #include <asm/setup.h>
 #include <asm/bootm.h>
 #include <asm/arch-imx/cpu.h>
+#include <asm/mach-imx/s400_api.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -67,9 +68,18 @@ int mmc_get_env_dev(void)
 }
 #endif
 
+static void set_cpu_info(struct sentinel_get_info_data *info)
+{
+       gd->arch.soc_rev = info->soc;
+       gd->arch.lifecycle = info->lc;
+       memcpy((void *)&gd->arch.uid, &info->uid, 4 * sizeof(u32));
+}
+
 u32 get_cpu_rev(void)
 {
-       return (MXC_CPU_IMX93 << 12) | CHIP_REV_1_0;
+       u32 rev = (gd->arch.soc_rev >> 24) - 0xa0;
+
+       return (MXC_CPU_IMX93 << 12) | (CHIP_REV_1_0 + rev);
 }
 
 #define UNLOCK_WORD 0xD928C520 /* unlock word */
@@ -198,6 +208,17 @@ int ft_system_setup(void *blob, struct bd_info *bd)
        return 0;
 }
 
+#if defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
+void get_board_serial(struct tag_serialnr *serialnr)
+{
+       printf("UID: 0x%x 0x%x 0x%x 0x%x\n",
+              gd->arch.uid[0], gd->arch.uid[1], gd->arch.uid[2], gd->arch.uid[3]);
+
+       serialnr->low = gd->arch.uid[0];
+       serialnr->high = gd->arch.uid[3];
+}
+#endif
+
 int arch_cpu_init(void)
 {
        if (IS_ENABLED(CONFIG_SPL_BUILD)) {
@@ -212,6 +233,32 @@ int arch_cpu_init(void)
        return 0;
 }
 
+int imx9_probe_mu(void *ctx, struct event *event)
+{
+       struct udevice *devp;
+       int node, ret;
+       u32 res;
+       struct sentinel_get_info_data info;
+
+       node = fdt_node_offset_by_compatible(gd->fdt_blob, -1, "fsl,imx93-mu-s4");
+
+       ret = uclass_get_device_by_of_offset(UCLASS_MISC, node, &devp);
+       if (ret)
+               return ret;
+
+       if (gd->flags & GD_FLG_RELOC)
+               return 0;
+
+       ret = ahab_get_info(&info, &res);
+       if (ret)
+               return ret;
+
+       set_cpu_info(&info);
+
+       return 0;
+}
+EVENT_SPY(EVT_DM_POST_INIT, imx9_probe_mu);
+
 int timer_init(void)
 {
 #ifdef CONFIG_SPL_BUILD