[PATCH v2 05/11] rockchip: idb: add sector1 info

Johan Jonker jbx6244 at gmail.com
Sat Jul 9 20:49:46 CEST 2022


Add Rockchip IDB sector1 info to make it easier to identify the
IDB date and version. Sector1 data is currently not added by U-boot
tools, but is generated by external tools that have support for it.

Signed-off-by: Johan Jonker <jbx6244 at gmail.com>
---

optional
---
 arch/arm/mach-rockchip/rockchip_idb.c | 46 +++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm/mach-rockchip/rockchip_idb.c b/arch/arm/mach-rockchip/rockchip_idb.c
index 0692ce1a..37fe6ff2 100644
--- a/arch/arm/mach-rockchip/rockchip_idb.c
+++ b/arch/arm/mach-rockchip/rockchip_idb.c
@@ -59,6 +59,11 @@
 #define NAND_CMD_ERASE2		0xd0
 #define NAND_CMD_RESET		0xff
 
+#define BCD2INT(num)		(((((num) >> 12) & 0x0F) * 1000) + \
+				((((num) >> 8) & 0x0F) * 100) + \
+				((((num) >> 4) & 0x0F) * 10) + \
+				((num) & 0x0F))
+
 #define DATA_STEP		1024
 #define OOB_STEP		4
 #define LBA			64 + 512 + 33
@@ -80,6 +85,35 @@ struct sector0 {
 	u8  reserved2[2];
 } __packed;
 
+struct sector1 {
+	u16 sys_reserved_block;
+	u16 disk0_size;
+	u16 disk1_size;
+	u16 disk2_size;
+	u16 disk3_size;
+	u32 chip_tag;
+	u32 machine_id;
+	u16 loader_year;
+	u16 loader_date;
+	u16 loader_ver;
+	u8  reserved[72];
+	u16 flash_data_offset;
+	u16 flash_data_len;
+	u8  reserved2[384];
+	u32 flash_chip_size;
+	u8  reserved1;
+	u8  access_time;
+	u16 phy_block_size;
+	u8  phy_page_size;
+	u8  ecc_bits;
+	u8  reserved3[8];
+	u16 id_block0;
+	u16 id_block1;
+	u16 id_block2;
+	u16 id_block3;
+	u16 id_block4;
+} __packed;
+
 struct nand_para_info {
 	u8 id_bytes;
 	u8 nand_id[6];
@@ -1475,10 +1509,22 @@ int rk_idb_stop(void)
 
 void rk_idb_print_idb_data(u32 *data)
 {
+	struct sector1 *sec1 = (struct sector1 *)((u8 *)data + 512);
 	struct sector0 *sec0 = (struct sector0 *)data;
 
 	printf("\n");
 
+	printf("DATE    : %d-%d-%d\n",
+	       BCD2INT(sec1->loader_year),
+	       BCD2INT(sec1->loader_date >> 8),
+	       BCD2INT(sec1->loader_date & 0xff));
+
+	printf("VERSION : %d.%d\n",
+	       BCD2INT(sec1->loader_ver >> 8),
+	       BCD2INT(sec1->loader_ver & 0xff));
+
+	printf("\n");
+
 	printf("magic            : %08x\n"
 	       "rc4_flag         : %08x\n"
 	       "boot_code1_offset: %d\n"
-- 
2.20.1



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