[U-Boot] [PATCH 5/7] OMAP3: Add serial number based on die ID

Dirk Behme
2009-02-02T05:53:29Z

Add serial number based on OMAP3 die ID.

Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>

---
board/omap3/beagle/beagle.c | 2 ++
board/omap3/evm/evm.c | 2 ++
board/omap3/overo/overo.c | 2 ++
board/omap3/pandora/pandora.c | 2 ++
board/omap3/zoom1/zoom1.c | 1 +
cpu/arm_cortexa8/omap3/sys_info.c | 27 +++++++++++++++++++++++++++
include/asm-arm/arch-omap3/cpu.h | 13 +++++++++++++
include/asm-arm/arch-omap3/omap3.h | 1 +
include/asm-arm/arch-omap3/sys_proto.h | 1 +
9 files changed, 51 insertions(+)

Index: u-boot-main/cpu/arm_cortexa8/omap3/sys_info.c
===================================================================
--- u-boot-main.orig/cpu/arm_cortexa8/omap3/sys_info.c
+++ u-boot-main/cpu/arm_cortexa8/omap3/sys_info.c
@@ -36,6 +36,33 @@ static gpmc_csx_t *gpmc_cs_base = (gpmc_
static sdrc_t *sdrc_base = (sdrc_t *)OMAP34XX_SDRC_BASE;
static ctrl_t *ctrl_base = (ctrl_t *)OMAP34XX_CTRL_BASE;

+/*****************************************************************
+ * serial_num_r(void) - read and set serial number based on DIE ID
+ *****************************************************************/
+void serial_num_r(void)
+{
+ ctrl_id_t *id_base = (ctrl_id_t *)OMAP34XX_ID_L4_IO_BASE;
+ char *uid_s, die_id[34];
+ u32 id[4];
+
+ memset(die_id, 0, sizeof(die_id));
+
+ uid_s = getenv("serial");
+
+ if (uid_s == NULL) {
+ id[3] = readl(&id_base->die_id_0);
+ id[2] = readl(&id_base->die_id_1);
+ id[1] = readl(&id_base->die_id_2);
+ id[0] = readl(&id_base->die_id_3);
+ sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]);
+ setenv("serial", die_id);
+ } else {
+ strncpy(die_id, uid_s, 34);
+ }
+
+ printf("Serial #%s\n", die_id);
+}
+
/******************************************
* get_cpu_type(void) - extract cpu info
******************************************/
Index: u-boot-main/include/asm-arm/arch-omap3/cpu.h
===================================================================
--- u-boot-main.orig/include/asm-arm/arch-omap3/cpu.h
+++ u-boot-main/include/asm-arm/arch-omap3/cpu.h
@@ -60,6 +60,19 @@ typedef struct ctrl {
#define OMAP3525 0x4c00
#define OMAP3530 0x0c00

+#ifndef __ASSEMBLY__
+typedef struct ctrl_id {
+ unsigned char res1[0x4];
+ unsigned int idcode; /* 0x04 */
+ unsigned int prod_id; /* 0x08 */
+ unsigned char res2[0x0C];
+ unsigned int die_id_0; /* 0x18 */
+ unsigned int die_id_1; /* 0x1C */
+ unsigned int die_id_2; /* 0x20 */
+ unsigned int die_id_3; /* 0x24 */
+} ctrl_id_t;
+#endif /* __ASSEMBLY__ */
+
/* device type */
#define DEVICE_MASK (0x7 << 8)
#define SYSBOOT_MASK 0x1F
Index: u-boot-main/include/asm-arm/arch-omap3/omap3.h
===================================================================
--- u-boot-main.orig/include/asm-arm/arch-omap3/omap3.h
+++ u-boot-main/include/asm-arm/arch-omap3/omap3.h
@@ -43,6 +43,7 @@
*/
#define OMAP34XX_CORE_L4_IO_BASE 0x48000000
#define OMAP34XX_WAKEUP_L4_IO_BASE 0x48300000
+#define OMAP34XX_ID_L4_IO_BASE 0x4830A200
#define OMAP34XX_L4_PER 0x49000000
#define OMAP34XX_L4_IO_BASE OMAP34XX_CORE_L4_IO_BASE

Index: u-boot-main/board/omap3/overo/overo.c
===================================================================
--- u-boot-main.orig/board/omap3/overo/overo.c
+++ u-boot-main/board/omap3/overo/overo.c
@@ -60,6 +60,8 @@ int misc_init_r(void)
{
power_init_r();

+ serial_num_r();
+
return 0;
}

Index: u-boot-main/board/omap3/beagle/beagle.c
===================================================================
--- u-boot-main.orig/board/omap3/beagle/beagle.c
+++ u-boot-main/board/omap3/beagle/beagle.c
@@ -103,6 +103,8 @@ int misc_init_r(void)

board_identify();

+ serial_num_r();
+
return 0;
}

Index: u-boot-main/board/omap3/evm/evm.c
===================================================================
--- u-boot-main.orig/board/omap3/evm/evm.c
+++ u-boot-main/board/omap3/evm/evm.c
@@ -68,6 +68,8 @@ int misc_init_r(void)
setup_net_chip();
#endif

+ serial_num_r();
+
return 0;
}

Index: u-boot-main/include/asm-arm/arch-omap3/sys_proto.h
===================================================================
--- u-boot-main.orig/include/asm-arm/arch-omap3/sys_proto.h
+++ u-boot-main/include/asm-arm/arch-omap3/sys_proto.h
@@ -66,5 +66,6 @@ void sdelay(unsigned long);
void make_cs1_contiguous(void);
void omap_nand_switch_ecc(int);
void power_init_r(void);
+void serial_num_r(void);

#endif
Index: u-boot-main/board/omap3/pandora/pandora.c
===================================================================
--- u-boot-main.orig/board/omap3/pandora/pandora.c
+++ u-boot-main/board/omap3/pandora/pandora.c
@@ -77,6 +77,8 @@ int misc_init_r(void)
writel(GPIO28, &gpio5_base->setdataout);
writel(GPIO4, &gpio6_base->setdataout);

+ serial_num_r();
+
return 0;
}

Index: u-boot-main/board/omap3/zoom1/zoom1.c
===================================================================
--- u-boot-main.orig/board/omap3/zoom1/zoom1.c
+++ u-boot-main/board/omap3/zoom1/zoom1.c
@@ -61,6 +61,7 @@ int board_init(void)
int misc_init_r(void)
{
power_init_r();
+ serial_num_r();
return 0;
}