mxc: changes to common plat-mxc code to add support for i.MX5

Prepare for i.MX5 SoC code by adding the relevant macros to common plat-mxc
code.

Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>

6 files changed, 34 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index 916d4fcb2ef..133d66bfb53 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -45,6 +45,15 @@
 #define UART_VADDR      AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
 #endif
 
+#ifdef CONFIG_ARCH_MX5
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#include <mach/mx51.h>
+#define UART_PADDR      MX51_UART1_BASE_ADDR
+#define UART_VADDR      MX51_AIPS1_IO_ADDRESS(MX51_UART1_BASE_ADDR)
+#endif
+
 #ifdef CONFIG_ARCH_MXC91231
 #ifdef UART_PADDR
 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h
index db14c56930a..ebadf4ac43f 100644
--- a/arch/arm/plat-mxc/include/mach/hardware.h
+++ b/arch/arm/plat-mxc/include/mach/hardware.h
@@ -27,6 +27,10 @@
          (((unsigned long)((addr) - (module ## _BASE_ADDR)) < module ## _SIZE) ?\
          (addr) - (module ## _BASE_ADDR) + (module ## _BASE_ADDR_VIRT) : 0))
 
+#ifdef CONFIG_ARCH_MX5
+#include <mach/mx51.h>
+#endif
+
 #ifdef CONFIG_ARCH_MX3
 #include <mach/mx3x.h>
 #include <mach/mx31.h>
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index 38f150162e4..a3ad643de5a 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -30,6 +30,8 @@
 #define MXC_GPIO_IRQS           (32 * 3)
 #elif defined CONFIG_ARCH_MX25
 #define MXC_GPIO_IRQS           (32 * 4)
+#elif defined CONFIG_ARCH_MX5
+#define MXC_GPIO_IRQS           (32 * 4)
 #elif defined CONFIG_ARCH_MXC91231
 #define MXC_GPIO_IRQS           (32 * 4)
 #endif
@@ -55,6 +57,7 @@
 #else
 #define MX3_IPU_IRQS 0
 #endif
+/* REVISIT: Add IPU irqs on IMX51 */
 
 #define NR_IRQS                 (MXC_IPU_IRQ_START + MX3_IPU_IRQS)
 
diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h
index 002eb91ab23..7cae9cb6208 100644
--- a/arch/arm/plat-mxc/include/mach/memory.h
+++ b/arch/arm/plat-mxc/include/mach/memory.h
@@ -16,6 +16,7 @@
 #define MX25_PHYS_OFFSET        UL(0x80000000)
 #define MX27_PHYS_OFFSET        UL(0xa0000000)
 #define MX3x_PHYS_OFFSET        UL(0x80000000)
+#define MX51_PHYS_OFFSET        UL(0x90000000)
 #define MXC91231_PHYS_OFFSET    UL(0x90000000)
 
 #if !defined(CONFIG_RUNTIME_PHYS_OFFSET)
@@ -31,6 +32,8 @@
 #  define PHYS_OFFSET           MX3x_PHYS_OFFSET
 # elif defined CONFIG_ARCH_MXC91231
 #  define PHYS_OFFSET           MXC91231_PHYS_OFFSET
+# elif defined CONFIG_ARCH_MX5
+#  define PHYS_OFFSET           MX51_PHYS_OFFSET
 # endif
 #endif
 
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 800ae2a33b1..a790bf21297 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -30,6 +30,7 @@
 #define MXC_CPU_MX27            27
 #define MXC_CPU_MX31            31
 #define MXC_CPU_MX35            35
+#define MXC_CPU_MX51            51
 #define MXC_CPU_MXC91231        91231
 
 #ifndef __ASSEMBLY__
@@ -108,6 +109,18 @@ extern unsigned int __mxc_cpu_type;
 # define cpu_is_mx35()          (0)
 #endif
 
+#ifdef CONFIG_ARCH_MX5
+# ifdef mxc_cpu_type
+#  undef mxc_cpu_type
+#  define mxc_cpu_type __mxc_cpu_type
+# else
+#  define mxc_cpu_type MXC_CPU_MX51
+# endif
+# define cpu_is_mx51()          (mxc_cpu_type == MXC_CPU_MX51)
+#else
+# define cpu_is_mx51()          (0)
+#endif
+
 #ifdef CONFIG_ARCH_MXC91231
 # ifdef mxc_cpu_type
 #  undef mxc_cpu_type
diff --git a/arch/arm/plat-mxc/include/mach/timex.h b/arch/arm/plat-mxc/include/mach/timex.h
index 527a6c24788..024416ed11c 100644
--- a/arch/arm/plat-mxc/include/mach/timex.h
+++ b/arch/arm/plat-mxc/include/mach/timex.h
@@ -28,6 +28,8 @@
 #define CLOCK_TICK_RATE         16625000
 #elif defined CONFIG_ARCH_MX25
 #define CLOCK_TICK_RATE         16000000
+#elif defined CONFIG_ARCH_MX5
+#define CLOCK_TICK_RATE         8000000
 #elif defined CONFIG_ARCH_MXC91231
 #define CLOCK_TICK_RATE         13000000
 #endif