[PATCH v2 1/2] ARM i.MX53: Some bug fix about MX53 MSL code

[yong.shen at freescale.com]

From: Yong Shen <yong.shen at linaro.org>

1. pll_base address should return right value
2. uart parent clk is from pll3
3. add cpu_is_mx53 definition

Signed-off-by: Yong Shen <yong.shen at linaro.org>
---
 arch/arm/mach-mx5/clock-mx51-mx53.c  |    7 ++++---
 arch/arm/mach-mx5/crm_regs.h         |    4 ++++
 arch/arm/plat-mxc/include/mach/mxc.h |   15 +++++++++++++--
 3 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 9fc65bb..6db69db 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -127,11 +127,11 @@ static inline u32 _get_mux(struct clk *parent, struct clk *m0,
 static inline void __iomem *_get_pll_base(struct clk *pll)
 {
 	if (pll == &pll1_main_clk)
-		return MX51_DPLL1_BASE;
+		return cpu_is_mx51() ? MX51_DPLL1_BASE : MX53_DPLL1_BASE;
 	else if (pll == &pll2_sw_clk)
-		return MX51_DPLL2_BASE;
+		return cpu_is_mx51() ? MX51_DPLL2_BASE : MX53_DPLL2_BASE;
 	else if (pll == &pll3_sw_clk)
-		return MX51_DPLL3_BASE;
+		return cpu_is_mx51() ? MX51_DPLL3_BASE : MX53_DPLL3_BASE;
 	else if (pll == &mx53_pll4_sw_clk)
 		return MX53_DPLL4_BASE;
 	else
@@ -1202,6 +1202,7 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc,
 
 	clk_tree_init();
 
+	clk_set_parent(&uart_root_clk, &pll3_sw_clk);
 	clk_enable(&cpu_clk);
 	clk_enable(&main_bus_clk);
 
diff --git a/arch/arm/mach-mx5/crm_regs.h b/arch/arm/mach-mx5/crm_regs.h
index 51ff9bb..b462c22 100644
--- a/arch/arm/mach-mx5/crm_regs.h
+++ b/arch/arm/mach-mx5/crm_regs.h
@@ -19,6 +19,10 @@
 #define MX51_GPC_BASE		MX51_IO_ADDRESS(MX51_GPC_BASE_ADDR)
 
 /*MX53*/
+#define MX53_CCM_BASE		MX53_IO_ADDRESS(MX53_CCM_BASE_ADDR)
+#define MX53_DPLL1_BASE		MX53_IO_ADDRESS(MX53_PLL1_BASE_ADDR)
+#define MX53_DPLL2_BASE		MX53_IO_ADDRESS(MX53_PLL2_BASE_ADDR)
+#define MX53_DPLL3_BASE		MX53_IO_ADDRESS(MX53_PLL3_BASE_ADDR)
 #define MX53_DPLL4_BASE		MX53_IO_ADDRESS(MX53_PLL3_BASE_ADDR)
 
 /* PLL Register Offsets */
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 4abbdd1..eca8f83 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -126,7 +126,7 @@ extern unsigned int __mxc_cpu_type;
 # define cpu_is_mx35()		(0)
 #endif
 
-#ifdef CONFIG_ARCH_MX5
+#ifdef CONFIG_ARCH_MX51
 # ifdef mxc_cpu_type
 #  undef mxc_cpu_type
 #  define mxc_cpu_type __mxc_cpu_type
@@ -134,11 +134,22 @@ extern unsigned int __mxc_cpu_type;
 #  define mxc_cpu_type MXC_CPU_MX51
 # endif
 # define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
-# define cpu_is_mx53()		(mxc_cpu_type == MXC_CPU_MX53)
 #else
 # define cpu_is_mx51()		(0)
 #endif
 
+#ifdef CONFIG_ARCH_MX53
+# ifdef mxc_cpu_type
+#  undef mxc_cpu_type
+#  define mxc_cpu_type __mxc_cpu_type
+# else
+#  define mxc_cpu_type MXC_CPU_MX53
+# endif
+# define cpu_is_mx53()		(mxc_cpu_type == MXC_CPU_MX53)
+#else
+# define cpu_is_mx53()		(0)
+#endif
+
 #ifdef CONFIG_ARCH_MXC91231
 # ifdef mxc_cpu_type
 #  undef mxc_cpu_type
-- 
1.7.0.4