Firebee/FireBee_SVN
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed FireTOS loader using minimal initialization.

Browse Source
This commit is contained in:
Vincent Rivière
2012-10-21 23:14:09 +00:00
parent 8ed3ea70ae
commit 372405ef48
1 changed files with 21 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
BaS_GNU/BaS_GNU/sources/sysinit.c
View File

@@ -683,6 +683,27 @@ void initialize_hardware(void) {
uint32_t *dst; /* destination address to copy to */ uint32_t *dst; /* destination address to copy to */
uint32_t *jmp; /* address of BaS() routine to jmp at after copy */ uint32_t *jmp; /* address of BaS() routine to jmp at after copy */
/* Test for FireTOS switch: DIP switch #5 up */
if (!(DIP_SWITCH & (1 << 6))) {
/* Minimal hardware initialization */
init_gpio();
init_fbcs();
init_ddram();
init_fpga();
/* FireTOS seems to have trouble to initialize the ST-RAM by itself, so... */
/* Validate ST RAM */
* (volatile uint32_t *) 0x42e = 0x00e00000; /* phystop TOS system variable */
* (volatile uint32_t *) 0x420 = 0x752019f3; /* memvalid TOS system variable */
* (volatile uint32_t *) 0x43a = 0x237698aa; /* memval2 TOS system variable */
* (volatile uint32_t *) 0x51a = 0x5555aaaa; /* memval3 TOS system variable */
/* Jump into FireTOS */
typedef void void_func(void);
void_func* FireTOS = (void_func*)0xe0400000;
FireTOS();
}
init_gpio(); init_gpio();
init_serial(); init_serial();
init_slt(); init_slt();