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
config OC_ETM
bool "On-chip ETM and ETB"
- select ARM_AMBA
+ depends on ARM_AMBA
help
Enables the on-chip embedded trace macrocell and embedded trace
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
+ help
+ Perform tests of kprobes API and instruction set simulation.
+
endmenu
#include <mach/regs-clock.h>
#include <mach/regs-pmu.h>
+#include <plat/cpu.h>
+
+extern unsigned int gic_bank_offset;
extern void exynos4_secondary_startup(void);
-#define CPU1_BOOT_REG S5P_VA_SYSRAM
+#define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \
+ S5P_INFORM5 : S5P_VA_SYSRAM)
/*
* control for which core is the next to come out of the secondary
static void __cpuinit exynos4_gic_secondary_init(void)
{
void __iomem *dist_base = S5P_VA_GIC_DIST +
- (EXYNOS4_GIC_BANK_OFFSET * smp_processor_id());
+ (gic_bank_offset * smp_processor_id());
void __iomem *cpu_base = S5P_VA_GIC_CPU +
- (EXYNOS4_GIC_BANK_OFFSET * smp_processor_id());
+ (gic_bank_offset * smp_processor_id());
int i;
/*
*/
spin_lock(&boot_lock);
spin_unlock(&boot_lock);
+
+ set_cpu_online(cpu, true);
}
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,
ncores = scu_base ? scu_get_core_count(scu_base) : 1;
/* sanity check */
- if (ncores > NR_CPUS) {
- printk(KERN_WARNING
- "EXYNOS4: no. of cores (%d) greater than configured "
- "maximum of %d - clipping\n",
- ncores, NR_CPUS);
- ncores = NR_CPUS;
+ if (ncores > nr_cpu_ids) {
+ pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+ ncores, nr_cpu_ids);
+ ncores = nr_cpu_ids;
}
for (i = 0; i < ncores; i++)
* until it receives a soft interrupt, and then the
* secondary CPU branches to this address.
*/
- __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), S5P_VA_SYSRAM);
+ __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)),
+ CPU1_BOOT_REG);
}
* 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));
{
unsigned int i, ncores = get_core_count();
+ if (ncores > nr_cpu_ids) {
+ pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+ ncores, nr_cpu_ids);
+ ncores = nr_cpu_ids;
+ }
+
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
#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
#define UART_VADDR MXS_IO_ADDRESS(UART_PADDR)
- .macro addruart, rp, rv
+ .macro addruart, rp, rv, tmp
ldr \rp, =UART_PADDR @ physical
ldr \rv, =UART_VADDR @ virtual
.endm
* 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
#error "Unknown RealView platform"
#endif
- .macro addruart, rp, rv
+ .macro addruart, rp, rv, tmp
mov \rp, #DEBUG_LL_UART_OFFSET
orr \rv, \rp, #0xfb000000 @ virtual base
orr \rp, \rp, #0x10000000 @ physical base
* 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);
ncores = scu_base ? scu_get_core_count(scu_base) : 1;
/* sanity check */
- if (ncores > NR_CPUS) {
- printk(KERN_WARNING
- "U8500: no. of cores (%d) greater than configured "
- "maximum of %d - clipping\n",
- ncores, NR_CPUS);
- ncores = NR_CPUS;
+ if (ncores > nr_cpu_ids) {
+ pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+ ncores, nr_cpu_ids);
+ ncores = nr_cpu_ids;
}
for (i = 0; i < ncores; i++)
#include <linux/smp.h>
#include <asm/cacheflush.h>
+#include <asm/system.h>
extern volatile int pen_release;
* code will have already disabled interrupts
*/
for (;;) {
- /*
- * here's the WFI
- */
- asm(".word 0xe320f003\n"
- :
- :
- : "memory", "cc");
+ wfi();
- if (pen_release == cpu) {
+ if (pen_release == cpu_logical_map(cpu)) {
/*
* OK, proper wakeup, we're done
*/
*/
#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
#define UART_VADDR IMX_IO_ADDRESS(UART_PADDR)
- .macro addruart, rp, rv
+ .macro addruart, rp, rv, tmp
ldr \rp, =UART_PADDR @ physical
ldr \rv, =UART_VADDR @ virtual
.endm
help
Internal configuration to build the VIC timer interrupt code.
-config SAMSUNG_IRQ_UART
- bool
- help
- Internal configuration to build the IRQ UART demux code.
-
# options for gpio configuration support
config SAMSUNG_GPIOLIB_4BIT
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