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avoid FireTOS hang on boot

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This commit is contained in:
Markus Fröschle
2016-01-30 16:00:02 +00:00
parent f8424114ee
commit 4ba6e5cc6f
9 changed files with 61 additions and 19 deletions
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6
BaS_gcc/sys/sysinit.c
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@@ -561,8 +561,7 @@ static void init_video_ddr(void) {
_VRAM = 0000070022; /* load MR dll on */
NOP();
* (uint32_t *) 0xf0000400 = 0x01070002; /* fifo on, refresh on, ddrcs und cke on, video dac on */
// * (uint32_t *) 0xf0000400 = 0x0107820b; /* fifo on, refresh on, ddrcs und cke on, video dac on */
* (uint32_t *) 0xf0000400 = 0x01070082; /* fifo on, refresh on, ddrcs und cke on, video dac on, Falcon shift mode on */
xprintf("finished\r\n");
}
@@ -940,7 +939,7 @@ static void clear_bss_segment(void)
void initialize_hardware(void)
{
/* Test for FireTOS switch: DIP switch #5 up */
#if defined(MACHINE_FIREBEE)
#ifdef _NOT_USED_ // #if defined(MACHINE_FIREBEE)
if (!(DIP_SWITCH & (1 << 6))) {
/* Minimal hardware initialization */
init_gpio();
@@ -958,6 +957,7 @@ void initialize_hardware(void)
/* TT-RAM */
xprintf("FASTRAM_END = %p\r\n", FASTRAM_END);
* (uint32_t *) 0x5a4 = FASTRAM_END; /* ramtop TOS system variable */
* (uint32_t *) 0x5a8 = 0x1357bd13; /* ramvalid TOS system variable */