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da8xx: Add cpu_is_da8xx macros 

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
CC: Stefano Babic <sbabic@denx.de>
CC: Detlev Zundev <dzu@denx.de>
CC: Ben Gardiner <bengardiner@nanometrics.ca>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Sudhakar Rajashekhara 2010-11-11 15:38:01 +01:00 committed by Wolfgang Denk
parent ed8456f64d
commit f177db3011
1 changed files with 16 additions and 0 deletions
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16
arch/arm/include/asm/arch-davinci/hardware.h
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@ -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 */