Firebee/BaS_gcc
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This commit is contained in:
Markus Fröschle
2012-10-19 12:46:20 +00:00
parent 33ae60b94d
commit 15c9dcdfe3
1 changed files with 12 additions and 12 deletions
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24
BaS_GNU/sources/sysinit.c
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@@ -12,10 +12,10 @@
#include "cache.h" #include "cache.h"
#include "sysinit.h" #include "sysinit.h"
extern volatile long _VRAM; extern volatile long _VRAM; /* start address of video ram from linker script */
/* /*
* warte_routinen * wait routines
*/ */
void wait_10ms(void) void wait_10ms(void)
{ {
@@ -102,10 +102,9 @@ void init_gpio(void)
MCF_GPIO_PDDR_FEC1L = 0b00011110; /* OUT: 4=LED,3=PRG_DQ0,2=#FPGA_CONFIG,1=PRG_CLK(FPGA) */ MCF_GPIO_PDDR_FEC1L = 0b00011110; /* OUT: 4=LED,3=PRG_DQ0,2=#FPGA_CONFIG,1=PRG_CLK(FPGA) */
} }
/********************************************************************/ /*
// init serial * init serial
/********************************************************************/ */
void init_serial(void) void init_serial(void)
{ {
/* PSC0: SER1 */ /* PSC0: SER1 */
@@ -382,9 +381,8 @@ void init_PCI(void) {
/* /*
* test UPC720101 (USB) * probe for UPC720101 (USB)
*/ */
void test_upd720101(void) void test_upd720101(void)
{ {
uart_out_word('NEC '); uart_out_word('NEC ');
@@ -672,9 +670,10 @@ void initialize_hardware(void) {
extern uint32_t bas_end; /* end of BaS code to copy (from linker script) */ extern uint32_t bas_end; /* end of BaS code to copy (from linker script) */
extern uint32_t BaS; /* BaS routine to jump to after copy */ extern uint32_t BaS; /* BaS routine to jump to after copy */
uint32_t *src; /* used in copy loop */
uint32_t *dst; uint32_t *src; /* src address to read from flash */
uint32_t *jmp; uint32_t *dst; /* destination address to copy to */
uint32_t *jmp; /* address of BaS() routine to jmp at after copy */
__asm__ __volatile__( __asm__ __volatile__(
"move.l #0x000C8120,D0\n\t" "move.l #0x000C8120,D0\n\t"
@@ -690,7 +689,7 @@ void initialize_hardware(void) {
init_fbcs(); init_fbcs();
init_ddram(); init_ddram();
/* do not initialize ports if DIP switch 5 = on */ /* do not initialize PCI if DIP switch 5 = on */
if (DIP_SWITCH & (1 << 6)) if (DIP_SWITCH & (1 << 6))
init_PCI(); init_PCI();
@@ -718,6 +717,7 @@ void initialize_hardware(void) {
*src++ = *dst++; *src++ = *dst++;
} while (dst < &bas_end); } while (dst < &bas_end);
/* clear all addresses touched during copy from all cache lines */
flushDataCacheRegion(&BaS, (uint32_t) (&bas_end - &BaS)); flushDataCacheRegion(&BaS, (uint32_t) (&bas_end - &BaS));
flushInstructionCacheRegion(&BaS, (uint32_t) (&bas_end - &BaS)); flushInstructionCacheRegion(&BaS, (uint32_t) (&bas_end - &BaS));