diff options
| -rw-r--r-- | cpu/arm_cortexa8/mx53/generic.c | 28 | ||||
| -rw-r--r-- | include/configs/mx53_smd_android.h | 3 |
2 files changed, 31 insertions, 0 deletions
diff --git a/cpu/arm_cortexa8/mx53/generic.c b/cpu/arm_cortexa8/mx53/generic.c index 83dbd4b..ca7e0be 100644 --- a/cpu/arm_cortexa8/mx53/generic.c +++ b/cpu/arm_cortexa8/mx53/generic.c @@ -22,6 +22,8 @@ #include <common.h> #include <asm/arch/mx53.h> +#include <asm/imx_iim.h> +#include <asm/setup.h> #include <asm/errno.h> #include <asm/io.h> #include "crm_regs.h" @@ -1258,3 +1260,29 @@ int fastboot_check_and_clean_flag(void) } #endif +#ifdef CONFIG_SERIAL_TAG +void get_board_serial(struct tag_serialnr *serialnr) +{ + int i = 0, tmp = 0; + u32 *iim0_unique_id_base = + (u32 *)(IIM_BASE_ADDR + IIM_BANK_AREA_0_OFFSET + + CONFIG_IIM_UNIQUE_ID_OFFSET); + + serialnr->low = 0; + serialnr->high = 0; + + /* Read the 32-63 bits of UID from 4 registers */ + for (i = 0; i < 4; ++i, ++iim0_unique_id_base) { + tmp = readl(iim0_unique_id_base); + serialnr->high = serialnr->high << 8; + serialnr->high |= (tmp & 0xff); + } + + /* Read the 0-31 bits of UID from next 4 registers */ + for (i = 0; i < 4; ++i, ++iim0_unique_id_base) { + tmp = readl(iim0_unique_id_base); + serialnr->low = serialnr->low << 8; + serialnr->low |= (tmp & 0xff); + } +} +#endif diff --git a/include/configs/mx53_smd_android.h b/include/configs/mx53_smd_android.h index e6ce3ef..9a34a5b 100644 --- a/include/configs/mx53_smd_android.h +++ b/include/configs/mx53_smd_android.h @@ -59,10 +59,13 @@ */ #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ +#define CONFIG_SERIAL_TAG 1 #define CONFIG_REVISION_TAG 1 #define CONFIG_SETUP_MEMORY_TAGS 1 #define CONFIG_INITRD_TAG 1 +/* IIM Unique ID offset on Bank0 */ +#define CONFIG_IIM_UNIQUE_ID_OFFSET 0x20 /* * Size of malloc() pool */ |