From: Sudhakar Rajashekhara <[email protected]>
Signed-off-by: Sudhakar Rajashekhara <[email protected]>
CC: Stefano Babic <[email protected]>
CC: Detlev Zundev <[email protected]>
CC: Ben Gardiner <[email protected]>
---
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 3520cf8..2a460b5 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 */
--
1.7.1
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