diff options
| -rw-r--r-- | arch/arm/include/asm/arch-davinci/hardware.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 3520cf882..2a460b55d 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -149,6 +149,7 @@ typedef volatile unsigned int * dv_reg_p; #define DAVINCI_DDR_EMIF_DATA_BASE 0xc0000000 #define DAVINCI_INTC_BASE 0xfffee000 #define DAVINCI_BOOTCFG_BASE 0x01c14000 +#define JTAG_ID_REG (DAVINCI_BOOTCFG_BASE + 0x18) #endif /* CONFIG_SOC_DA8XX */ @@ -442,6 +443,21 @@ struct davinci_uart_ctrl_regs { #define DAVINCI_UART_PWREMU_MGMT_URRST (1 << 13) #define DAVINCI_UART_PWREMU_MGMT_UTRST (1 << 14) +static inline int cpu_is_da830(void) +{ + unsigned int jtag_id = REG(JTAG_ID_REG); + unsigned short part_no = (jtag_id >> 12) & 0xffff; + + return ((part_no == 0xb7df) ? 1 : 0); +} +static inline int cpu_is_da850(void) +{ + unsigned int jtag_id = REG(JTAG_ID_REG); + unsigned short part_no = (jtag_id >> 12) & 0xffff; + + return ((part_no == 0xb7d1) ? 1 : 0); +} + #endif /* CONFIG_SOC_DA8XX */ #endif /* __ASM_ARCH_HARDWARE_H */ |