summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorShengzhou Liu <Shengzhou.Liu@freescale.com>2015-11-20 15:52:02 +0800
committerYork Sun <yorksun@freescale.com>2015-12-13 18:27:28 -0800
commit0c028a03284aabceb89a85736e23661d6fe7915e (patch)
tree66521c44a5610455e0bffbe1b0798699e84568e4 /arch
parent1aaf3f9ae471929a70509f86a48a61da6fbfb19f (diff)
downloadu-boot-imx-0c028a03284aabceb89a85736e23661d6fe7915e.zip
u-boot-imx-0c028a03284aabceb89a85736e23661d6fe7915e.tar.gz
u-boot-imx-0c028a03284aabceb89a85736e23661d6fe7915e.tar.bz2
arm: ls102x: add get_svr and IS_SVR_REV helper
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/armv7/ls102xa/cpu.c8
-rw-r--r--arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h5
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c
index 2215fe9..2f0df65 100644
--- a/arch/arm/cpu/armv7/ls102xa/cpu.c
+++ b/arch/arm/cpu/armv7/ls102xa/cpu.c
@@ -218,6 +218,14 @@ void enable_caches(void)
}
#endif /* #ifndef CONFIG_SYS_DCACHE_OFF */
+
+uint get_svr(void)
+{
+ struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+
+ return in_be32(&gur->svr);
+}
+
#if defined(CONFIG_DISPLAY_CPUINFO)
int print_cpuinfo(void)
{
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
index 1bcdf04..c12706d 100644
--- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
+++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h
@@ -11,6 +11,8 @@
#define SVR_MIN(svr) (((svr) >> 0) & 0xf)
#define SVR_SOC_VER(svr) (((svr) >> 8) & 0x7ff)
#define IS_E_PROCESSOR(svr) (svr & 0x80000)
+#define IS_SVR_REV(svr, maj, min) \
+ ((SVR_MAJ(svr) == maj) && (SVR_MIN(svr) == min))
#define SOC_VER_SLS1020 0x00
#define SOC_VER_LS1020 0x10
@@ -422,4 +424,7 @@ struct ccsr_ahci {
u32 pberr; /* port 0/1 BIST error */
u32 cmds; /* port 0/1 CMD status error */
};
+
+uint get_svr(void);
+
#endif /* __ASM_ARCH_LS102XA_IMMAP_H_ */