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set FASTRAM_END for Firetos

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This commit is contained in:
Markus Fröschle
2013-07-02 09:58:30 +00:00
parent 21232c7e09
commit b6fb51acff
1 changed files with 6 additions and 1 deletions
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7
BaS_gcc/sources/sysinit.c
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@@ -819,13 +819,18 @@ void initialize_hardware(void) {
init_fbcs(); init_fbcs();
init_ddram(); init_ddram();
init_fpga(); init_fpga();
/* FireTOS seems to have trouble to initialize the ST-RAM by itself, so... */
/* Validate ST RAM */ /* Validate ST RAM */
* (volatile uint32_t *) 0x42e = STRAM_END; /* phystop TOS system variable */ * (volatile uint32_t *) 0x42e = STRAM_END; /* phystop TOS system variable */
* (volatile uint32_t *) 0x420 = 0x752019f3; /* memvalid TOS system variable */ * (volatile uint32_t *) 0x420 = 0x752019f3; /* memvalid TOS system variable */
* (volatile uint32_t *) 0x43a = 0x237698aa; /* memval2 TOS system variable */ * (volatile uint32_t *) 0x43a = 0x237698aa; /* memval2 TOS system variable */
* (volatile uint32_t *) 0x51a = 0x5555aaaa; /* memval3 TOS system variable */ * (volatile uint32_t *) 0x51a = 0x5555aaaa; /* memval3 TOS system variable */
/* TT-RAM */
* (uint32_t *) 0x5a4 = FASTRAM_END; /* ramtop TOS system variable */
* (uint32_t *) 0x5a8 = 0x1357bd13; /* ramvalid TOS system variable */
/* Jump into FireTOS */ /* Jump into FireTOS */
typedef void void_func(void); typedef void void_func(void);
void_func* FireTOS = (void_func*)FIRETOS; void_func* FireTOS = (void_func*)FIRETOS;