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ARM: zynq: Added efuse status register base address 

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>
This commit is contained in:
Siva Durga Prasad Paladugu 2013-11-29 19:01:25 +05:30 committed by Michal Simek
parent 5b73caffeb
commit 96a2859e54
3 changed files with 23 additions and 0 deletions
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13
arch/arm/cpu/armv7/zynq/cpu.c
View File

@ -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();

9
arch/arm/include/asm/arch-zynq/hardware.h
View File

@ -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 */

1
arch/arm/include/asm/arch-zynq/sys_proto.h
View File

@ -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);