From: Sudhakar Rajashekhara Date: Thu, 11 Nov 2010 14:38:01 +0000 (+0100) Subject: da8xx: Add cpu_is_da8xx macros X-Git-Tag: v2011.03-rc1~55^2~32^2~7 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=a131148efe21e92528a146f600613a9b89abdfdc;p=u-boot da8xx: Add cpu_is_da8xx macros Signed-off-by: Sudhakar Rajashekhara CC: Stefano Babic CC: Detlev Zundev CC: Ben Gardiner Signed-off-by: Sandeep Paulraj --- diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 3520cf8822..2a460b55db 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 */