From 2f41c36b07af71bb308ff8f1739481b022476080 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 9 Aug 2011 11:29:19 +0100 Subject: ARM: exynos4: convert logical CPU numbers to physical numbers This patch uses the new cpu_logical_map() macro for converting logical CPU numbers into physical numbers when dealing with the pen_release variable in the SMP boot and CPU hotplug paths. Cc: Kukjin Kim Tested-and-acked-by: Kyungmin Park Signed-off-by: Will Deacon --- arch/arm/mach-exynos4/hotplug.c | 2 +- arch/arm/mach-exynos4/platsmp.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm') 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 7c2282c6ba81..073381469c9d 100644 --- a/arch/arm/mach-exynos4/platsmp.c +++ b/arch/arm/mach-exynos4/platsmp.c @@ -126,7 +126,7 @@ 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, -- cgit v1.2.3 From 1d3cfb34f9605578b4f733acba4affa751b2e4a2 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 9 Aug 2011 12:02:27 +0100 Subject: ARM: msm: convert logical CPU numbers to physical numbers This patch uses the new cpu_logical_map() macro for converting logical CPU numbers into physical numbers when dealing with the pen_release variable in the SMP boot and CPU hotplug paths. Tested-and-acked-by: David Brown Signed-off-by: Will Deacon --- arch/arm/mach-msm/hotplug.c | 2 +- arch/arm/mach-msm/platsmp.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm') 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 1a1af9e56250..e3375ee7841e 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)); -- cgit v1.2.3 From f80ca52cab8f999246ed2e4daa90eb40cb810822 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 9 Aug 2011 12:13:53 +0100 Subject: ARM: shmobile: convert logical CPU numbers to physical numbers This patch uses the new cpu_logical_map() macro for converting logical CPU numbers into physical numbers when dealing with the SCU in the SMP boot path for sh73a0. Cc: Magnus Damm Cc: Paul Mundt Signed-off-by: Will Deacon --- arch/arm/mach-shmobile/smp-sh73a0.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/arm') 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)); } -- cgit v1.2.3 From 28763487b19eacca70374c1f62b3b8da2bba464f Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 9 Aug 2011 12:21:36 +0100 Subject: ARM: ux500: convert logical CPU numbers to physical numbers This patch uses the new cpu_logical_map() macro for converting logical CPU numbers into physical numbers when dealing with the pen_release variable in the SMP boot and CPU hotplug paths. Acked-by: Linus Walleij Signed-off-by: Will Deacon --- arch/arm/mach-ux500/hotplug.c | 2 +- arch/arm/mach-ux500/platsmp.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm') 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 a33df5f4c27a..27e5281cd55d 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); -- cgit v1.2.3 From 4a139b64703115e41e1a4e16ebf7eb93d0a0e349 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 9 Aug 2011 12:24:07 +0100 Subject: ARM: versatile: convert logical CPU numbers to physical numbers This patch uses the new cpu_logical_map() macro for converting logical CPU numbers into physical numbers when dealing with the pen_release variable in the SMP boot and CPU hotplug paths. Signed-off-by: Will Deacon --- arch/arm/mach-realview/hotplug.c | 2 +- arch/arm/mach-vexpress/hotplug.c | 2 +- arch/arm/plat-versatile/platsmp.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arm') 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-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c index ea4cbfb90a66..2866ed8c4b05 100644 --- a/arch/arm/mach-vexpress/hotplug.c +++ b/arch/arm/mach-vexpress/hotplug.c @@ -70,7 +70,7 @@ 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/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 -- cgit v1.2.3 From 952aeeb2880a6fd14e15a0dc402a3ffd25f8e689 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 16 Aug 2011 22:28:54 +0100 Subject: ARM: plat-samsung: use Kconfig choice for debug UART selection Now that the DEBUG_LL UART can be selected by a Kconfig choice, convert the Samsung UART selection to use a set of bools rather than an int. Acked-by: Nicolas Pitre Signed-off-by: Will Deacon --- arch/arm/Kconfig.debug | 45 +++++++++++++++++++++++++++++++------------ arch/arm/plat-samsung/Kconfig | 7 +++++++ 2 files changed, 40 insertions(+), 12 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index b3dc1fa30848..caf16e7030f9 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -128,6 +128,39 @@ 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_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. + endchoice config EARLY_PRINTK @@ -146,16 +179,4 @@ 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. - endmenu diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index b3e10659e4b8..49b14b1a7abe 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -367,4 +367,11 @@ 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 -- cgit v1.2.3 From 1285b8f89a0553695f4ff5f167d8b4afe91af906 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 16 Aug 2011 22:30:28 +0100 Subject: ARM: realview: use Kconfig choice for debug UART selection Now that the DEBUG_LL UART can be selected by a Kconfig choice, simplify the #ifdefery in debug-macro.S and add entries to the top-level Kconfig.debug instead. Acked-by: Nicolas Pitre Signed-off-by: Will Deacon --- arch/arm/Kconfig.debug | 16 ++++++++++++++++ arch/arm/mach-realview/include/mach/debug-macro.S | 17 ++--------------- 2 files changed, 18 insertions(+), 15 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index caf16e7030f9..75ba2695e771 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -161,6 +161,22 @@ choice 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 diff --git a/arch/arm/mach-realview/include/mach/debug-macro.S b/arch/arm/mach-realview/include/mach/debug-macro.S index 90b687cbe04e..0f387220a502 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 -- cgit v1.2.3 From f350b86121c7a004a5f866333fa1d23fe30263a6 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Fri, 19 Aug 2011 05:56:59 +0100 Subject: arm/imx: use Kconfig choice for low-level debug UART selection Now that the DEBUG_LL UART can be selected by a Kconfig choice, simplify the #ifdefery in debug-macro.S and add entries to the top-level Kconfig.debug instead. Signed-off-by: Shawn Guo Cc: Sascha Hauer Signed-off-by: Will Deacon --- arch/arm/Kconfig.debug | 56 ++++++++++++++++++++++++++++ arch/arm/mach-mxs/include/mach/debug-macro.S | 12 +----- arch/arm/plat-mxc/include/mach/debug-macro.S | 38 +++---------------- 3 files changed, 64 insertions(+), 42 deletions(-) (limited to 'arch/arm') diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug index 75ba2695e771..5bc7814d9a3d 100644 --- a/arch/arm/Kconfig.debug +++ b/arch/arm/Kconfig.debug @@ -128,6 +128,62 @@ 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" diff --git a/arch/arm/mach-mxs/include/mach/debug-macro.S b/arch/arm/mach-mxs/include/mach/debug-macro.S index 79650a1ad78d..6d9870448c3d 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 #include -#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/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S index e4dde91f0231..07cfdbe8f068 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 -#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 -- cgit v1.2.3