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| author | Wolfgang Denk <wd@denx.de> | 2009-04-05 23:04:30 +0200 | 
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-04-05 23:04:30 +0200 | 
| commit | 712ac6a1a6909a58d6549fb220cc921a7e9f9979 (patch) | |
| tree | 7391a68d2b81d9a9096e170b97bbfe0ed81c2c7f /cpu/arm_cortexa8/cpu.c | |
| parent | 23e4af49e066a53cd3e3659b68ef90572d88de84 (diff) | |
| parent | c6fadb9c73a6a3e0c7f20696e978304a593a8d2d (diff) | |
| download | olio-uboot-2014.01-712ac6a1a6909a58d6549fb220cc921a7e9f9979.tar.xz olio-uboot-2014.01-712ac6a1a6909a58d6549fb220cc921a7e9f9979.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Diffstat (limited to 'cpu/arm_cortexa8/cpu.c')
| -rw-r--r-- | cpu/arm_cortexa8/cpu.c | 82 | 
1 files changed, 1 insertions, 81 deletions
| diff --git a/cpu/arm_cortexa8/cpu.c b/cpu/arm_cortexa8/cpu.c index ad2085b01..5e7b935e4 100644 --- a/cpu/arm_cortexa8/cpu.c +++ b/cpu/arm_cortexa8/cpu.c @@ -34,6 +34,7 @@  #include <common.h>  #include <command.h>  #include <asm/arch/sys_proto.h> +#include <asm/system.h>  #ifdef CONFIG_USE_IRQ  DECLARE_GLOBAL_DATA_PTR; @@ -45,46 +46,6 @@ void l2cache_disable(void);  static void cache_flush(void); -/* read co-processor 15, register #1 (control register) */ -static unsigned long read_p15_c1(void) -{ -	unsigned long value; - -	__asm__ __volatile__("mrc p15, 0, %0, c1, c0, 0\ -			     @ read control reg\n":"=r"(value) -			     ::"memory"); -	return value; -} - -/* write to co-processor 15, register #1 (control register) */ -static void write_p15_c1(unsigned long value) -{ -	__asm__ __volatile__("mcr p15, 0, %0, c1, c0, 0\ -			     @ write it back\n"::"r"(value) -			     : "memory"); - -	read_p15_c1(); -} - -static void cp_delay(void) -{ -	/* Many OMAP regs need at least 2 nops */ -	asm("nop"); -	asm("nop"); -} - -/* See also ARM Ref. Man. */ -#define C1_MMU		(1<<0)	/* mmu off/on */ -#define C1_ALIGN	(1<<1)	/* alignment faults off/on */ -#define C1_DC		(1<<2)	/* dcache off/on */ -#define C1_WB		(1<<3)	/* merging write buffer on/off */ -#define C1_BIG_ENDIAN	(1<<7)	/* big endian off/on */ -#define C1_SYS_PROT	(1<<8)	/* system protection */ -#define C1_ROM_PROT	(1<<9)	/* ROM protection */ -#define C1_IC		(1<<12)	/* icache off/on */ -#define C1_HIGH_VECTORS	(1<<13)	/* location of vectors: low/high addresses */ -#define RESERVED_1	(0xf << 3)	/* must be 111b for R/W */ -  int cpu_init(void)  {  	/* @@ -134,42 +95,6 @@ int cleanup_before_linux(void)  	return 0;  } -int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ -	disable_interrupts(); -	reset_cpu(0); - -	/* NOTREACHED */ -	return 0; -} - -void icache_enable(void) -{ -	ulong reg; - -	reg = read_p15_c1();	/* get control reg. */ -	cp_delay(); -	write_p15_c1(reg | C1_IC); -} - -void icache_disable(void) -{ -	ulong reg; - -	reg = read_p15_c1(); -	cp_delay(); -	write_p15_c1(reg & ~C1_IC); -} - -void dcache_disable (void) -{ -	ulong reg; - -	reg = read_p15_c1 (); -	cp_delay (); -	write_p15_c1 (reg & ~C1_DC); -} -  void l2cache_enable()  {  	unsigned long i; @@ -229,11 +154,6 @@ void l2cache_disable()  	}  } -int icache_status(void) -{ -	return (read_p15_c1() & C1_IC) != 0; -} -  static void cache_flush(void)  {  	asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0)); |