diff options
Diffstat (limited to 'target/linux/realtek/files/rtkload/start.S')
| -rw-r--r-- | target/linux/realtek/files/rtkload/start.S | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/target/linux/realtek/files/rtkload/start.S b/target/linux/realtek/files/rtkload/start.S deleted file mode 100644 index 32df1f6f7..000000000 --- a/target/linux/realtek/files/rtkload/start.S +++ /dev/null @@ -1,263 +0,0 @@ -//#include <linux/config.h> -#include <linux/autoconf.h> -#include <asm/asm.h> -#include <asm/regdef.h> -//#include <asm/mipsregs.h> - -#if defined(CONFIG_RTL_819X) -#define CONFIG_DONOT_ADJUST_SYSCLK_MEMSP -#endif - -#include "start.h" -#ifndef boot32 -#define NEWSTACK (0x80670000) -#else -#define NEWSTACK (0x809FFF00) -#endif - .globl old_stack_pointer - - .extern __start_dram - - .text - .globl __start -__start: - -#ifdef CONFIG_DONOT_ADJUST_SYSCLK_MEMSP - nop -#else - // Set PLLMNR and SYSCLKR - jal hfclock_setting - nop -#endif - - move s0, zero - mtc0 s0, $12 - nop - nop - -#if 0 - /* Clock */ - li a0,0xbd010108 - li a1,0x0000000b - sw a1,0(a0) - nop - nop - nop - nop -#endif - -#ifdef CONFIG_RTL_EB8186 - /* Memory Controllor */ - li a0,0xbd011008 - li a1,0x00000884 - li a1,0x000008c7 - li a1,0x00000cda - li a1,0x00000886 - li a1,0x000008c7 // <victor> for 187/124 - /*sw a1,0(a0) */ - nop - nop - nop - nop - - - - - /*--- initialize and start COP3*/ - mfc0 $8,$12 - nop - nop - or $8,0x80000000 - mtc0 $8,$12 - nop - nop - - -#if 1 - la a0, 0x90000000 - mtc0 a0, $12 - nop - nop - mfc0 t0, $20 - nop - nop - ori t0, 0x1 - mtc0 t0, $20 - nop - nop -#if 0 - la a0, 0x10000000 - mtc3 a0, $4 - la a0, 0x10000fff - nop - mtc3 a0, $5 - nop - la a0, 0x90000000 - sw zero, 0(a0) - lw t0, 0(a0) - nop - la a0, 0x90000fff - sb zero, 0(a0) - lb t0, 0(a0) -#endif -#endif -#endif // CONFIG_RTL_EB8186 - - - nop - - -#if 0 - /*la t0, __start_dram */ - /*and t0, 0x0fffffff*/ # translate to physical address - la t0, 0x81000000 - and t0, 0x0fffffff # translate to physical address - mtc3 t0, $4 # $4: d-ram base - nop - addi t0, t0, 0x1000 - 1 # total 2k bytes used//2003-07-04//TKIP_encryption - mtc3 t0, $5 # $5: d-ram top - nop -#endif - - - - la s0, _bstart - la s1, _bend - - move t0, s0 - -1: - sw zero, 0(t0) - addi t0, 4 - bne t0, s1, 1b - - //sw sp, old_stack_pointer -// david ------------------------ -// li sp, NEWSTACK -//sc_yang -//#ifndef BZ2_COMPRESS -// li sp, NEWSTACK -//#else - move t0, s1 - addi t0, t0, 4096 - move sp, t0 - move a0, t0 -//#endif -//------------------------------- - - j main - nop - - .globl exit -exit: - j exit - nop - - .globl start_kernel -start_kernel: - move t0, a0 - li a0, 0 - li a1, 0 - li a2, 0 - jr t0 - nop - - -hfclock_setting: - // Check chip version to set divider register - li t1, REG_REVISION - lw t0, 0(t1) - li t1, 0xf0000000 - and t0, t0, t1 - srl t0, t0, 0x1c // Right shift 28 bits - - beq t0, VERSION_D, version_8186_C //set D cut keep 108MHz - nop - -// bne t0, VERSION_D, 1f -// nop -// j ra // 8186 D cut doesn't need watch dog reset. -// nop - -1: - beq t0, VERSION_C, version_8186_C - nop - - -version_8186_B: - // Check PLLMNR and SYSCLKR Registers. - la a0, REG_PLLMNR - lw t0, 0(a0) - and t0, t0, 0x3FFFF //You must mask other bits!! - li t1, VAL_PLLMNR_8186B - bne t0, t1, set_B - nop - - la a0, REG_SYSCLKR - lw t0, 0(a0) - and t0, t0, 0xFFF //You must mask other bits!! - li t1, VAL_SYSCLKR_8186B - bne t0, t1, set_B - nop - - j ra //PLLMNR and SYSCLKR are set already. - nop - -set_B: - // Set CPU/MEM Clock and Watch Dog Reset. - li t0, VAL_PLLMNR_8186B - la a0, REG_PLLMNR - sw t0, 0(a0) - - li t0, VAL_SYSCLKR_8186B - la a0, REG_SYSCLKR - sw t0, 0(a0) - - j start_watch_dog - nop - -version_8186_C: - // Check PLLMNR and SYSCLKR Registers. - la a0, REG_PLLMNR - lw t0, 0(a0) - and t0, t0, 0x3FFFF //You must mask other bits!! - li t1, VAL_PLLMNR_8186C - bne t0, t1, set_C - nop - - la a0, REG_SYSCLKR - lw t0, 0(a0) - and t0, t0, 0xFFF //You must mask other bits!! - li t1, VAL_SYSCLKR_8186C - bne t0, t1, set_C - nop - - j ra - nop - -set_C: - // Set CPU/MEM Clock and Watch Dog Reset. - li t0, VAL_PLLMNR_8186C - la a0, REG_PLLMNR - sw t0, 0(a0) - - li t0, VAL_SYSCLKR_8186C - la a0, REG_SYSCLKR - sw t0, 0(a0) - - j start_watch_dog - nop - -start_watch_dog: - // start WDTDOG - la a0, REG_CDBR - la t0, 0x2 - sw t0, 0(a0) - la t0, 0x100 - la a0, REG_WDTCNR - sw t0, 0(a0) -1: - b 1b - nop - - |