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merged trunk changes

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This commit is contained in:
Markus Fröschle
2012-12-10 11:20:59 +00:00
parent 128f34d977
commit 60ba055002
28 changed files with 38 additions and 8128 deletions
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39
SD_CARD/BaS_gcc/sources/sysinit.c
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@@ -31,6 +31,7 @@
#include "sysinit.h"
#include "bas_printf.h"
#include "bas_types.h"
#include <wait.h>
extern void xprintf_before_copy(const char *fmt, ...);
#define xprintf xprintf_before_copy
@@ -44,32 +45,7 @@ extern volatile long _VRAM; /* start address of video ram from linker script */
static const int MAJOR_VERSION = 0;
static const int MINOR_VERSION = 1;
/*
* wait for the specified number of us on slice timer 0. Replaces the original routines that had
* the number of useconds to wait for hardcoded in their name.
*/
inline void wait(uint32_t us)
{
uint32_t target = MCF_SLT_SCNT(0) - (us * 132);
while (MCF_SLT_SCNT(0) > target);
}
/*
* the same as above, with a checker function which gets called while
* busy waiting and allows for an early return if it returns true
*/
inline bool waitfor(uint32_t us, int (*condition)(void))
{
uint32_t target = MCF_SLT_SCNT(0) - (us * 132);
do
{
if ((*condition)())
return TRUE;
} while (MCF_SLT_SCNT(0) > target);
return FALSE;
}
/*
* init SLICE TIMER 0
* all = 32.538 sec = 30.736mHz
@@ -803,22 +779,11 @@ void initialize_hardware(void) {
init_slt();
xprintf("\r\nBaS_gcc for FireBee v %d.%d\r\n", MAJOR_VERSION, MINOR_VERSION);
xprintf("initializing hardware...\r\n");
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 = STRAM_END; /* 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*)FIRETOS;
void_func* FireTOS = (void_func*) FIRETOS;
FireTOS(); // Should never return
return;
}