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refactored contents of BaS()

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This commit is contained in:
Markus Fröschle
2012-12-09 17:50:50 +00:00
parent 185ca67f7d
commit 1749e4d1f2
5 changed files with 82 additions and 621 deletions
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45
SD_CARD/BaS_gcc/sources/BaS.c
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@@ -150,7 +150,31 @@ void nvram_init(void)
xprintf("finished\r\n");
}
/********************************************************************/
void enable_coldfire_interrupts()
{
xprintf("enable interrupts: ");
* (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
MCF_EPORT_EPPAR = 0xaaa8; /* all interrupts on falling edge */
MCF_GPT0_GMS = MCF_GPT_GMS_ICT(1) | /* timer 0 on, video change capture on rising edge */
MCF_GPT_GMS_IEN |
MCF_GPT_GMS_TMS(1);
MCF_INTC_ICR62 = 0x3f;
* (volatile uint8_t *) 0xf0010004 = 0xfe; /* enable int 1-7 */
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
MCF_INTC_IMRH = 0xbffffffe; /* psc3 and timer 0 int on */
xprintf("finished\r\n");
}
void disable_coldfire_interrupts()
{
* (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
}
void BaS(void)
{
uint8_t *src;
@@ -184,26 +208,10 @@ void BaS(void)
vec_init();
illegal_table_make();
xprintf("finished\r\n");
/* interrupts */
xprintf("enable interrupts: ");
* (volatile uint32_t *) 0xf0010004 = 0L; /* disable all interrupts */
MCF_EPORT_EPPAR = 0xaaa8; /* all interrupts on falling edge */
MCF_GPT0_GMS = MCF_GPT_GMS_ICT(1) | /* timer 0 on, video change capture on rising edge */
MCF_GPT_GMS_IEN |
MCF_GPT_GMS_TMS(1);
MCF_INTC_ICR62 = 0x3f;
* (volatile uint8_t *) 0xf0010004 = 0xfe; /* enable int 1-7 */
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
MCF_INTC_IMRH = 0xbffffffe; /* psc3 and timer 0 int on */
enable_coldfire_interrupts();
MCF_MMU_MMUCR = MCF_MMU_MMUCR_EN; /* MMU on */
xprintf("finished\r\n");
xprintf("IDE reset: ");
/* IDE reset */
@@ -214,7 +222,6 @@ void BaS(void)
* (volatile uint8_t *) (0xffff8802 - 0) = 0;
xprintf("finished\r\n");
xprintf("enable video: ");
/*
* video setup (25MHz)