diff options
Diffstat (limited to 'arch/arm/plat-mxc')
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/common.h | 11 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/io.h | 22 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/mxc.h | 7 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/include/mach/system.h | 35 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/system.c | 3 |
5 files changed, 23 insertions, 55 deletions
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 91d810cef6fa..d7149d1bd32c 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -71,4 +71,15 @@ extern void mxc_arch_reset_init(void __iomem *); extern void mx51_efikamx_reset(void); extern int mx53_revision(void); extern int mx53_display_revision(void); + +enum mxc_cpu_pwr_mode { + WAIT_CLOCKED, /* wfi only */ + WAIT_UNCLOCKED, /* WAIT */ + WAIT_UNCLOCKED_POWER_OFF, /* WAIT + SRPG */ + STOP_POWER_ON, /* just STOP */ + STOP_POWER_OFF, /* STOP + SRPG */ +}; + +extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode); +extern void (*imx_idle)(void); #endif diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h index 4347a87d2bb0..338300b18b00 100644 --- a/arch/arm/plat-mxc/include/mach/io.h +++ b/arch/arm/plat-mxc/include/mach/io.h @@ -14,32 +14,22 @@ /* Allow IO space to be anywhere in the memory */ #define IO_SPACE_LIMIT 0xffffffff -#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35) -#include <mach/hardware.h> - #define __arch_ioremap __imx_ioremap #define __arch_iounmap __iounmap #define addr_in_module(addr, mod) \ ((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE) +extern void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int); + static inline void __iomem * __imx_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) { - if (mtype == MT_DEVICE && (cpu_is_mx31() || cpu_is_mx35())) { - /* - * Access all peripherals below 0x80000000 as nonshared device - * on mx3, but leave l2cc alone. Otherwise cache corruptions - * can occur. - */ - if (phys_addr < 0x80000000 && - !addr_in_module(phys_addr, MX3x_L2CC)) - mtype = MT_DEVICE_NONSHARED; - } - - return __arm_ioremap(phys_addr, size, mtype); + if (imx_ioremap != NULL) + return imx_ioremap(phys_addr, size, mtype); + else + return __arm_ioremap(phys_addr, size, mtype); } -#endif /* io address mapping macro */ #define __io(a) __typesafe_io(a) diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h index 09879235a9f5..00a78193c681 100644 --- a/arch/arm/plat-mxc/include/mach/mxc.h +++ b/arch/arm/plat-mxc/include/mach/mxc.h @@ -183,13 +183,6 @@ struct cpu_op { }; int tzic_enable_wake(int is_idle); -enum mxc_cpu_pwr_mode { - WAIT_CLOCKED, /* wfi only */ - WAIT_UNCLOCKED, /* WAIT */ - WAIT_UNCLOCKED_POWER_OFF, /* WAIT + SRPG */ - STOP_POWER_ON, /* just STOP */ - STOP_POWER_OFF, /* STOP + SRPG */ -}; extern struct cpu_op *(*get_cpu_op)(int *op); #endif diff --git a/arch/arm/plat-mxc/include/mach/system.h b/arch/arm/plat-mxc/include/mach/system.h index 51f02a9d41a3..cf88b3593fba 100644 --- a/arch/arm/plat-mxc/include/mach/system.h +++ b/arch/arm/plat-mxc/include/mach/system.h @@ -17,41 +17,12 @@ #ifndef __ASM_ARCH_MXC_SYSTEM_H__ #define __ASM_ARCH_MXC_SYSTEM_H__ -#include <mach/hardware.h> -#include <mach/common.h> - -extern void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode); +extern void (*imx_idle)(void); static inline void arch_idle(void) { - /* fix i.MX31 errata TLSbo65953 and i.MX35 errata ENGcm09472 */ - if (cpu_is_mx31() || cpu_is_mx35()) { - unsigned long reg = 0; - __asm__ __volatile__( - /* disable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "bic %0, %0, #0x00001000\n" - "bic %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - /* invalidate I cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c5, 0\n" - /* clear and invalidate D cache */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c14, 0\n" - /* WFI */ - "mov %0, #0\n" - "mcr p15, 0, %0, c7, c0, 4\n" - "nop\n" "nop\n" "nop\n" "nop\n" - "nop\n" "nop\n" "nop\n" - /* enable I and D cache */ - "mrc p15, 0, %0, c1, c0, 0\n" - "orr %0, %0, #0x00001000\n" - "orr %0, %0, #0x00000004\n" - "mcr p15, 0, %0, c1, c0, 0\n" - : "=r" (reg)); - } else if (cpu_is_mx51()) - mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF); + if (imx_idle != NULL) + (imx_idle)(); else cpu_do_idle(); } diff --git a/arch/arm/plat-mxc/system.c b/arch/arm/plat-mxc/system.c index 8024f2ac177c..9dad8dcc2ea9 100644 --- a/arch/arm/plat-mxc/system.c +++ b/arch/arm/plat-mxc/system.c @@ -28,6 +28,9 @@ #include <asm/system.h> #include <asm/mach-types.h> +void (*imx_idle)(void) = NULL; +void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int) = NULL; + static void __iomem *wdog_base; /* |
