From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
Added efuse status register base address. This register is used for determining whether efuse was blown or not. Also, added the zynq_get_silicon_version() to get the silicon version of the zynq board.
Signed-off-by: Siva Durga Prasad Paladugu sivadur@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
arch/arm/cpu/armv7/zynq/cpu.c | 13 +++++++++++++ arch/arm/include/asm/arch-zynq/hardware.h | 9 +++++++++ arch/arm/include/asm/arch-zynq/sys_proto.h | 1 + 3 files changed, 23 insertions(+)
diff --git a/arch/arm/cpu/armv7/zynq/cpu.c b/arch/arm/cpu/armv7/zynq/cpu.c index 7626b5c..816d0c5 100644 --- a/arch/arm/cpu/armv7/zynq/cpu.c +++ b/arch/arm/cpu/armv7/zynq/cpu.c @@ -14,6 +14,9 @@ void lowlevel_init(void) { }
+#define ZYNQ_SILICON_VER_MASK 0xF0000000 +#define ZYNQ_SILICON_VER_SHIFT 28 + int arch_cpu_init(void) { zynq_slcr_unlock(); @@ -42,6 +45,16 @@ int arch_cpu_init(void) return 0; }
+unsigned int zynq_get_silicon_version(void) +{ + unsigned int ver; + + ver = (readl(&devcfg_base->mctrl) & + ZYNQ_SILICON_VER_MASK) >> ZYNQ_SILICON_VER_SHIFT; + + return ver; +} + void reset_cpu(ulong addr) { zynq_slcr_cpu_reset(); diff --git a/arch/arm/include/asm/arch-zynq/hardware.h b/arch/arm/include/asm/arch-zynq/hardware.h index 39184da..20f62bf 100644 --- a/arch/arm/include/asm/arch-zynq/hardware.h +++ b/arch/arm/include/asm/arch-zynq/hardware.h @@ -22,6 +22,7 @@ #define ZYNQ_SPI_BASEADDR0 0xE0006000 #define ZYNQ_SPI_BASEADDR1 0xE0007000 #define ZYNQ_DDRC_BASEADDR 0xF8006000 +#define ZYNQ_EFUSE_BASEADDR 0xF800D000
/* Bootmode setting values */ #define ZYNQ_BM_MASK 0xF @@ -130,4 +131,12 @@ struct ddrc_regs { }; #define ddrc_base ((struct ddrc_regs *)ZYNQ_DDRC_BASEADDR)
+struct efuse_reg { + u32 reserved1[4]; + u32 status; + u32 reserved2[3]; +}; + +#define efuse_base ((struct efuse_reg *)ZYNQ_EFUSE_BASEADDR) + #endif /* _ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/include/asm/arch-zynq/sys_proto.h b/arch/arm/include/asm/arch-zynq/sys_proto.h index a68e1b3..2445a04 100644 --- a/arch/arm/include/asm/arch-zynq/sys_proto.h +++ b/arch/arm/include/asm/arch-zynq/sys_proto.h @@ -16,6 +16,7 @@ extern void zynq_slcr_devcfg_enable(void); extern u32 zynq_slcr_get_boot_mode(void); extern u32 zynq_slcr_get_idcode(void); extern void zynq_ddrc_init(void); +extern unsigned int zynq_get_silicon_version(void);
/* Driver extern functions */ extern int zynq_sdhci_init(u32 regbase); -- 1.8.2.3