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Diffstat (limited to 'arch/arm/mach-imx/include/mach/imx6.h')
-rw-r--r--arch/arm/mach-imx/include/mach/imx6.h59
1 files changed, 38 insertions, 21 deletions
diff --git a/arch/arm/mach-imx/include/mach/imx6.h b/arch/arm/mach-imx/include/mach/imx6.h
index 8c169f1..327676b 100644
--- a/arch/arm/mach-imx/include/mach/imx6.h
+++ b/arch/arm/mach-imx/include/mach/imx6.h
@@ -9,7 +9,9 @@
void imx6_init_lowlevel(void);
#define IMX6_ANATOP_SI_REV 0x260
+#define IMX6SL_ANATOP_SI_REV 0x280
+#define IMX6_CPUTYPE_IMX6SL 0x160
#define IMX6_CPUTYPE_IMX6S 0x161
#define IMX6_CPUTYPE_IMX6DL 0x261
#define IMX6_CPUTYPE_IMX6SX 0x462
@@ -36,6 +38,16 @@ static inline int __imx6_cpu_type(void)
val = readl(MX6_ANATOP_BASE_ADDR + IMX6_ANATOP_SI_REV);
val = (val >> 16) & 0xff;
+ /* non-MX6-standard SI_REV reg offset for MX6SL */
+ if (IS_ENABLED(CONFIG_ARCH_IMX6SL) &&
+ val < (IMX6_CPUTYPE_IMX6S & 0xff)) {
+ uint32_t tmp;
+ tmp = readl(MX6_ANATOP_BASE_ADDR + IMX6SL_ANATOP_SI_REV);
+ tmp = (tmp >> 16) & 0xff;
+ if ((IMX6_CPUTYPE_IMX6SL & 0xff) == tmp)
+ /* intentionally skip scu_get_core_count() for MX6SL */
+ return IMX6_CPUTYPE_IMX6SL;
+ }
val |= scu_get_core_count() << 8;
@@ -50,12 +62,37 @@ static inline int imx6_cpu_type(void)
return __imx6_cpu_type();
}
+#define DEFINE_MX6_CPU_TYPE(str, type) \
+ static inline int cpu_mx6_is_##str(void) \
+ { \
+ return __imx6_cpu_type() == type; \
+ } \
+ \
+ static inline int cpu_is_##str(void) \
+ { \
+ if (!cpu_is_mx6()) \
+ return 0; \
+ return cpu_mx6_is_##str(); \
+ }
+
+DEFINE_MX6_CPU_TYPE(mx6s, IMX6_CPUTYPE_IMX6S);
+DEFINE_MX6_CPU_TYPE(mx6dl, IMX6_CPUTYPE_IMX6DL);
+DEFINE_MX6_CPU_TYPE(mx6q, IMX6_CPUTYPE_IMX6Q);
+DEFINE_MX6_CPU_TYPE(mx6d, IMX6_CPUTYPE_IMX6D);
+DEFINE_MX6_CPU_TYPE(mx6sx, IMX6_CPUTYPE_IMX6SX);
+DEFINE_MX6_CPU_TYPE(mx6sl, IMX6_CPUTYPE_IMX6SL);
+DEFINE_MX6_CPU_TYPE(mx6ul, IMX6_CPUTYPE_IMX6UL);
+
static inline int __imx6_cpu_revision(void)
{
uint32_t rev;
+ uint32_t si_rev_offset = IMX6_ANATOP_SI_REV;
- rev = readl(MX6_ANATOP_BASE_ADDR + IMX6_ANATOP_SI_REV);
+ if (IS_ENABLED(CONFIG_ARCH_IMX6SL) && cpu_mx6_is_mx6sl())
+ si_rev_offset = IMX6SL_ANATOP_SI_REV;
+
+ rev = readl(MX6_ANATOP_BASE_ADDR + si_rev_offset);
switch (rev & 0xfff) {
case 0x00:
@@ -85,24 +122,4 @@ static inline int imx6_cpu_revision(void)
return __imx6_cpu_revision();
}
-#define DEFINE_MX6_CPU_TYPE(str, type) \
- static inline int cpu_mx6_is_##str(void) \
- { \
- return __imx6_cpu_type() == type; \
- } \
- \
- static inline int cpu_is_##str(void) \
- { \
- if (!cpu_is_mx6()) \
- return 0; \
- return cpu_mx6_is_##str(); \
- }
-
-DEFINE_MX6_CPU_TYPE(mx6s, IMX6_CPUTYPE_IMX6S);
-DEFINE_MX6_CPU_TYPE(mx6dl, IMX6_CPUTYPE_IMX6DL);
-DEFINE_MX6_CPU_TYPE(mx6q, IMX6_CPUTYPE_IMX6Q);
-DEFINE_MX6_CPU_TYPE(mx6d, IMX6_CPUTYPE_IMX6D);
-DEFINE_MX6_CPU_TYPE(mx6sx, IMX6_CPUTYPE_IMX6SX);
-DEFINE_MX6_CPU_TYPE(mx6ul, IMX6_CPUTYPE_IMX6UL);
-
#endif /* __MACH_IMX6_H */