15 files changed, 136 insertions, 79 deletions

diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index f283938c2fc7..64db5b1648e5 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -128,6 +128,111 @@ choice
                   Say Y here if you want the debug print routines to direct
                   their output to the second serial port on these devices.
 
+        config DEBUG_IMX1_UART
+                bool "i.MX1 Debug UART"
+                depends on SOC_IMX1
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX1.
+
+        config DEBUG_IMX23_UART
+                bool "i.MX23 Debug UART"
+                depends on SOC_IMX23
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX23.
+
+        config DEBUG_IMX25_UART
+                bool "i.MX25 Debug UART"
+                depends on SOC_IMX25
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX25.
+
+        config DEBUG_IMX21_IMX27_UART
+                bool "i.MX21 and i.MX27 Debug UART"
+                depends on SOC_IMX21 || SOC_IMX27
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX21 or i.MX27.
+
+        config DEBUG_IMX28_UART
+                bool "i.MX28 Debug UART"
+                depends on SOC_IMX28
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX28.
+
+        config DEBUG_IMX31_IMX35_UART
+                bool "i.MX31 and i.MX35 Debug UART"
+                depends on SOC_IMX31 || SOC_IMX35
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX31 or i.MX35.
+
+        config DEBUG_IMX51_UART
+                bool "i.MX51 Debug UART"
+                depends on SOC_IMX51
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX51.
+
+        config DEBUG_IMX50_IMX53_UART
+                bool "i.MX50 and i.MX53 Debug UART"
+                depends on SOC_IMX50 || SOC_IMX53
+                help
+                  Say Y here if you want kernel low-level debugging support
+                  on i.MX50 or i.MX53.
+
+        config DEBUG_S3C_UART0
+                depends on PLAT_SAMSUNG
+                bool "Use S3C UART 0 for low-level debug"
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to UART 0. The port must have been initialised
+                  by the boot-loader before use.
+
+                  The uncompressor code port configuration is now handled
+                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+        config DEBUG_S3C_UART1
+                depends on PLAT_SAMSUNG
+                bool "Use S3C UART 1 for low-level debug"
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to UART 1. The port must have been initialised
+                  by the boot-loader before use.
+
+                  The uncompressor code port configuration is now handled
+                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+        config DEBUG_S3C_UART2
+                depends on PLAT_SAMSUNG
+                bool "Use S3C UART 2 for low-level debug"
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to UART 2. The port must have been initialised
+                  by the boot-loader before use.
+
+                  The uncompressor code port configuration is now handled
+                  by CONFIG_S3C_LOWLEVEL_UART_PORT.
+
+        config DEBUG_REALVIEW_STD_PORT
+                bool "RealView Default UART"
+                depends on ARCH_REALVIEW
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to the serial port on RealView EB, PB11MP, PBA8
+                  and PBX platforms.
+
+        config DEBUG_REALVIEW_PB1176_PORT
+                bool "RealView PB1176 UART"
+                depends on MACH_REALVIEW_PB1176
+                help
+                  Say Y here if you want the debug print routines to direct
+                  their output to the standard serial port on the RealView
+                  PB1176 platform.
+
 endchoice
 
 config EARLY_PRINTK
@@ -146,18 +251,6 @@ config OC_ETM
           buffer driver that will allow you to collect traces of the
           kernel code.
 
-config DEBUG_S3C_UART
-        depends on PLAT_SAMSUNG
-        int "S3C UART to use for low-level debug"
-        default "0"
-        help
-          Choice for UART for kernel low-level using S3C UARTS,
-          should be between zero and two. The port must have been
-          initialised by the boot-loader before use.
-
-          The uncompressor code port configuration is now handled
-          by CONFIG_S3C_LOWLEVEL_UART_PORT.
-
 config ARM_KPROBES_TEST
         tristate "Kprobes test module"
         depends on KPROBES && MODULES
diff --git a/arch/arm/mach-exynos4/hotplug.c b/arch/arm/mach-exynos4/hotplug.c
index 7490789784c9..da70e7e39937 100644
--- a/arch/arm/mach-exynos4/hotplug.c
+++ b/arch/arm/mach-exynos4/hotplug.c
@@ -75,7 +75,7 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
                     :
                     : "memory", "cc");
 
-                if (pen_release == cpu) {
+                if (pen_release == cpu_logical_map(cpu)) {
                         /*
                          * OK, proper wakeup, we're done
                          */
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index 782dcf11d234..05595407e9ff 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -132,7 +132,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * Note that "pen_release" is the hardware CPU ID, whereas
          * "cpu" is Linux's internal ID.
          */
-        write_pen_release(cpu);
+        write_pen_release(cpu_logical_map(cpu));
 
         if (!(__raw_readl(S5P_ARM_CORE1_STATUS) & S5P_CORE_LOCAL_PWR_EN)) {
                 __raw_writel(S5P_CORE_LOCAL_PWR_EN,
diff --git a/arch/arm/mach-msm/hotplug.c b/arch/arm/mach-msm/hotplug.c
index 5a31f70dfb8e..41c252de0215 100644
--- a/arch/arm/mach-msm/hotplug.c
+++ b/arch/arm/mach-msm/hotplug.c
@@ -37,7 +37,7 @@ static inline void platform_do_lowpower(unsigned int cpu)
                     :
                     : "memory", "cc");
 
-                if (pen_release == cpu) {
+                if (pen_release == cpu_logical_map(cpu)) {
                         /*
                          * OK, proper wakeup, we're done
                          */
diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c
index 727659520912..fdec58aaa35c 100644
--- a/arch/arm/mach-msm/platsmp.c
+++ b/arch/arm/mach-msm/platsmp.c
@@ -117,7 +117,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * Note that "pen_release" is the hardware CPU ID, whereas
          * "cpu" is Linux's internal ID.
          */
-        pen_release = cpu;
+        pen_release = cpu_logical_map(cpu);
         __cpuc_flush_dcache_area((void *)&pen_release, sizeof(pen_release));
         outer_clean_range(__pa(&pen_release), __pa(&pen_release + 1));
 
diff --git a/arch/arm/mach-mxs/include/mach/debug-macro.S b/arch/arm/mach-mxs/include/mach/debug-macro.S
index 714570d83668..90c6b7836ad3 100644
--- a/arch/arm/mach-mxs/include/mach/debug-macro.S
+++ b/arch/arm/mach-mxs/include/mach/debug-macro.S
@@ -14,17 +14,9 @@
 #include <mach/mx23.h>
 #include <mach/mx28.h>
 
-#ifdef CONFIG_SOC_IMX23
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#ifdef CONFIG_DEBUG_IMX23_UART
 #define UART_PADDR      MX23_DUART_BASE_ADDR
-#endif
-
-#ifdef CONFIG_SOC_IMX28
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX28_UART)
 #define UART_PADDR      MX28_DUART_BASE_ADDR
 #endif
 
diff --git a/arch/arm/mach-realview/hotplug.c b/arch/arm/mach-realview/hotplug.c
index a87523d095e6..ac1aed2a8da4 100644
--- a/arch/arm/mach-realview/hotplug.c
+++ b/arch/arm/mach-realview/hotplug.c
@@ -69,7 +69,7 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
                     :
                     : "memory", "cc");
 
-                if (pen_release == cpu) {
+                if (pen_release == cpu_logical_map(cpu)) {
                         /*
                          * OK, proper wakeup, we're done
                          */
diff --git a/arch/arm/mach-realview/include/mach/debug-macro.S b/arch/arm/mach-realview/include/mach/debug-macro.S
index fb4901c4ef04..8cc372dc66a8 100644
--- a/arch/arm/mach-realview/include/mach/debug-macro.S
+++ b/arch/arm/mach-realview/include/mach/debug-macro.S
@@ -10,23 +10,10 @@
  * published by the Free Software Foundation.
  */
 
-#if defined(CONFIG_MACH_REALVIEW_EB) || \
-    defined(CONFIG_MACH_REALVIEW_PB11MP) || \
-    defined(CONFIG_MACH_REALVIEW_PBA8) || \
-    defined(CONFIG_MACH_REALVIEW_PBX)
-#ifndef DEBUG_LL_UART_OFFSET
+#ifdef CONFIG_DEBUG_REALVIEW_STD_PORT
 #define DEBUG_LL_UART_OFFSET    0x00009000
-#elif DEBUG_LL_UART_OFFSET != 0x00009000
-#warning "DEBUG_LL_UART_OFFSET already defined to a different value"
-#endif
-#endif
-
-#ifdef CONFIG_MACH_REALVIEW_PB1176
-#ifndef DEBUG_LL_UART_OFFSET
+#elif defined(CONFIG_DEBUG_REALVIEW_PB1176_PORT)
 #define DEBUG_LL_UART_OFFSET    0x0010c000
-#elif DEBUG_LL_UART_OFFSET != 0x0010c000
-#warning "DEBUG_LL_UART_OFFSET already defined to a different value"
-#endif
 #endif
 
 #ifndef DEBUG_LL_UART_OFFSET
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index 3ffdbc92ba82..be1ade76ccc8 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -74,6 +74,8 @@ void __cpuinit sh73a0_secondary_init(unsigned int cpu)
 
 int __cpuinit sh73a0_boot_secondary(unsigned int cpu)
 {
+        cpu = cpu_logical_map(cpu);
+
         /* enable cache coherency */
         modify_scu_cpu_psr(0, 3 << (cpu * 8));
 
@@ -87,6 +89,8 @@ int __cpuinit sh73a0_boot_secondary(unsigned int cpu)
 
 void __init sh73a0_smp_prepare_cpus(void)
 {
+        int cpu = cpu_logical_map(0);
+
         scu_enable(scu_base_addr());
 
         /* Map the reset vector (in headsmp.S) */
@@ -94,5 +98,5 @@ void __init sh73a0_smp_prepare_cpus(void)
         __raw_writel(__pa(shmobile_secondary_vector), __io(SBAR));
 
         /* enable cache coherency on CPU0 */
-        modify_scu_cpu_psr(0, 3 << (0 * 8));
+        modify_scu_cpu_psr(0, 3 << (cpu * 8));
 }
diff --git a/arch/arm/mach-ux500/hotplug.c b/arch/arm/mach-ux500/hotplug.c
index dd8037ebccf8..572015e57cd9 100644
--- a/arch/arm/mach-ux500/hotplug.c
+++ b/arch/arm/mach-ux500/hotplug.c
@@ -24,7 +24,7 @@ static inline void platform_do_lowpower(unsigned int cpu)
         for (;;) {
                 __asm__ __volatile__("dsb\n\t" "wfi\n\t"
                                 : : : "memory");
-                if (pen_release == cpu) {
+                if (pen_release == cpu_logical_map(cpu)) {
                         /*
                          * OK, proper wakeup, we're done
                          */
diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c
index eb5199102cfa..a19e398dade3 100644
--- a/arch/arm/mach-ux500/platsmp.c
+++ b/arch/arm/mach-ux500/platsmp.c
@@ -96,7 +96,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * the holding pen - release it, then wait for it to flag
          * that it has been released by resetting pen_release.
          */
-        write_pen_release(cpu);
+        write_pen_release(cpu_logical_map(cpu));
 
         gic_raise_softirq(cpumask_of(cpu), 1);
 
diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c
index 3668cf91d2de..813ee08f96e6 100644
--- a/arch/arm/mach-vexpress/hotplug.c
+++ b/arch/arm/mach-vexpress/hotplug.c
@@ -65,7 +65,7 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
         for (;;) {
                 wfi();
 
-                if (pen_release == cpu) {
+                if (pen_release == cpu_logical_map(cpu)) {
                         /*
                          * OK, proper wakeup, we're done
                          */
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index a3045937fc2f..72986013c1fb 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -12,43 +12,17 @@
  */
 #include <mach/hardware.h>
 
-#ifdef CONFIG_SOC_IMX1
+#ifdef CONFIG_DEBUG_IMX1_UART
 #define UART_PADDR      MX1_UART1_BASE_ADDR
-#endif
-
-#ifdef CONFIG_SOC_IMX25
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX25_UART)
 #define UART_PADDR      MX25_UART1_BASE_ADDR
-#endif
-
-#if defined(CONFIG_SOC_IMX21) || defined (CONFIG_SOC_IMX27)
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART)
 #define UART_PADDR      MX2x_UART1_BASE_ADDR
-#endif
-
-#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35)
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART)
 #define UART_PADDR      MX3x_UART1_BASE_ADDR
-#endif
-
-#ifdef CONFIG_SOC_IMX51
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX51_UART)
 #define UART_PADDR      MX51_UART1_BASE_ADDR
-#endif
-
-/* iMX50/53 have same addresses, but not iMX51 */
-#if defined(CONFIG_SOC_IMX50) || defined(CONFIG_SOC_IMX53)
-#ifdef UART_PADDR
-#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
-#endif
+#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
 #define UART_PADDR      MX53_UART1_BASE_ADDR
 #endif
 
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index dffa37bc4a0b..3895f9aff0dc 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -362,4 +362,11 @@ config SAMSUNG_PD
         help
           Say Y here if you want to control Power Domain by Runtime PM.
 
+config DEBUG_S3C_UART
+        depends on PLAT_SAMSUNG
+        int
+        default "0" if DEBUG_S3C_UART0
+        default "1" if DEBUG_S3C_UART1
+        default "2" if DEBUG_S3C_UART2
+
 endif
diff --git a/arch/arm/plat-versatile/platsmp.c b/arch/arm/plat-versatile/platsmp.c
index 51ecfea09b27..92f18d372b69 100644
--- a/arch/arm/plat-versatile/platsmp.c
+++ b/arch/arm/plat-versatile/platsmp.c
@@ -77,7 +77,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * since we haven't sent them a soft interrupt, they shouldn't
          * be there.
          */
-        write_pen_release(cpu);
+        write_pen_release(cpu_logical_map(cpu));
 
         /*
          * Send the secondary CPU a soft interrupt, thereby causing