net: pfe_eth: read PFE ESBC header flash with spi_flash_read API

Read PFE ESBC header flash with spi_flash_read API
- logs as follows,
  Net:   SF: Detected s25fs512s with page size 256 Bytes, erase size 256
  KiB, total 64 MiB
  "Synchronous Abort" handler, esr 0x96000210
  elr: 000000008206db44 lr : 0000000082004ea0 (reloc)
  elr: 00000000b7ba6b44 lr : 00000000b7b3dea0
  x0 : 00000000b79407e8 x1 : 0000000040640000
  x2 : 0000000000000050 x3 : 0000000000000000
  x4 : 000000000000000a x5 : 0000000000000050
  x6 : 0000000000000366 x7 : 00000000b7942308
  x8 : 00000000b76407c0 x9 : 0000000000000008
  x10: 0000000000000044 x11: 00000000b7634d1c
  x12: 000000000000004f x13: 0000000000000044
  x14: 00000000b7634d98 x15: 00000000b76407c0
  x16: 0000000000000000 x17: 0000000000000000
  x18: 00000000b7636dd8 x19: 0000000000000000
  x20: 00000000b79407d0 x21: 00000000b79407e8
  x22: 0000000040640000 x23: 00000000b7634e58
  x24: 0000000000000000 x25: 0000000003800000
  x26: 00000000b7bdd000 x27: 0000000000000000
  x28: 0000000000000000 x29: 00000000b7634d10

  Code: d2800003 eb03005f 54000101 d65f03c0 (f8636826)
  Resetting CPU ...

Signed-off-by: Biwen Li <biwen.li@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

1 files changed, 44 insertions, 4 deletions

diff --git a/drivers/net/pfe_eth/pfe_firmware.c b/drivers/net/pfe_eth/pfe_firmware.c
index d414c750d4..41999e176d 100644
--- a/drivers/net/pfe_eth/pfe_firmware.c
+++ b/drivers/net/pfe_eth/pfe_firmware.c
@@ -10,6 +10,8 @@
  * files.
  */
 
+#include <dm.h>
+#include <dm/device-internal.h>
 #include <image.h>
 #include <log.h>
 #include <malloc.h>
@@ -24,6 +26,9 @@
 #define PFE_FIRMWARE_FIT_CNF_NAME	"config@1"
 
 static const void *pfe_fit_addr;
+#ifdef CONFIG_CHAIN_OF_TRUST
+static const void *pfe_esbc_hdr_addr;
+#endif
 
 /*
  * PFE elf firmware loader.
@@ -169,7 +174,7 @@ int pfe_spi_flash_init(void)
 	struct spi_flash *pfe_flash;
 	struct udevice *new;
 	int ret = 0;
-	void *addr = malloc(CONFIG_SYS_QE_FMAN_FW_LENGTH);
+	void *addr = malloc(CONFIG_SYS_LS_PFE_FW_LENGTH);
 
 	if (!addr)
 		return -ENOMEM;
@@ -179,21 +184,56 @@ int pfe_spi_flash_init(void)
 				     CONFIG_ENV_SPI_MAX_HZ,
 				     CONFIG_ENV_SPI_MODE,
 				     &new);
+	if (ret) {
+		printf("SF: failed to probe spi\n");
+		free(addr);
+		device_remove(new, DM_REMOVE_NORMAL);
+		return ret;
+	}
+
 
 	pfe_flash = dev_get_uclass_priv(new);
 	if (!pfe_flash) {
 		printf("SF: probe for pfe failed\n");
 		free(addr);
+		device_remove(new, DM_REMOVE_NORMAL);
 		return -ENODEV;
 	}
 
 	ret = spi_flash_read(pfe_flash,
 			     CONFIG_SYS_LS_PFE_FW_ADDR,
-			     CONFIG_SYS_QE_FMAN_FW_LENGTH,
+			     CONFIG_SYS_LS_PFE_FW_LENGTH,
 			     addr);
-	if (ret)
+	if (ret) {
 		printf("SF: read for pfe failed\n");
+		free(addr);
+		spi_flash_free(pfe_flash);
+		return ret;
+	}
 
+#ifdef CONFIG_CHAIN_OF_TRUST
+	void *hdr_addr = malloc(CONFIG_SYS_LS_PFE_ESBC_LENGTH);
+
+	if (!hdr_addr) {
+		free(addr);
+		spi_flash_free(pfe_flash);
+		return -ENOMEM;
+	}
+
+	ret = spi_flash_read(pfe_flash,
+			     CONFIG_SYS_LS_PFE_ESBC_ADDR,
+			     CONFIG_SYS_LS_PFE_ESBC_LENGTH,
+			     hdr_addr);
+	if (ret) {
+		printf("SF: failed to read pfe esbc header\n");
+		free(addr);
+		free(hdr_addr);
+		spi_flash_free(pfe_flash);
+		return ret;
+	}
+
+	pfe_esbc_hdr_addr = hdr_addr;
+#endif
 	pfe_fit_addr = addr;
 	spi_flash_free(pfe_flash);
 
@@ -233,7 +273,7 @@ int pfe_firmware_init(void)
 		goto err;
 
 #ifdef CONFIG_CHAIN_OF_TRUST
-	pfe_esbc_hdr = CONFIG_SYS_LS_PFE_ESBC_ADDR;
+	pfe_esbc_hdr = (uintptr_t)pfe_esbc_hdr_addr;
 	pfe_img_addr = (uintptr_t)pfe_fit_addr;
 	if (fsl_check_boot_mode_secure() != 0) {
 		/*