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removed mmu.c

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modified dma routines
This commit is contained in:
Markus Fröschle
2013-08-05 15:15:58 +00:00
parent e000afc5b5
commit 2086a9b686
4 changed files with 39 additions and 107 deletions
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50
BaS_gcc/sources/BaS.c
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@@ -153,6 +153,33 @@ void nvram_init(void)
xprintf("finished\r\n");
}
#define KBD_ACIA_CONTROL ((uint8_t *) 0xfffffc00)
#define MIDI_ACIA_CONTROL ((uint8_t *) 0xfffffc04)
#define MFP_INTR_IN_SERVICE_A ((uint8_t *) 0xfffffa0f)
#define MFP_INTR_IN_SERVICE_B ((uint8_t *) 0xfffffa11)
void acia_init()
{
xprintf("init ACIA: ");
/* init ACIA */
* KBD_ACIA_CONTROL = 3; /* master reset */
NOP();
* MIDI_ACIA_CONTROL = 3; /* master reset */
NOP();
* KBD_ACIA_CONTROL = 0x96; /* clock div = 64, 8N1, RTS low, TX int disable, RX int enable */
NOP();
* MFP_INTR_IN_SERVICE_A = -1;
NOP();
* MFP_INTR_IN_SERVICE_B = -1;
NOP();
xprintf("finished\r\n");
}
/* ACP interrupt controller */
#define FPGA_INTR_CONTRL (volatile uint32_t *) 0xf0010000
#define FPGA_INTR_ENABLE (volatile uint8_t *) 0xf0010004
@@ -266,7 +293,7 @@ void BaS(void)
/* set Falcon bus control register */
/* sets bit 3 and 6. Both are undefined on an original Falcon? */
* (volatile uint8_t *) 0xffff8007 = 0x48; /* FIXME: what's that ? */
* (volatile uint8_t *) 0xffff8007 = 0x48;
/* ST RAM */
@@ -281,24 +308,7 @@ void BaS(void)
* (uint32_t *) 0x5a4 = 0x1d000000;
* (uint32_t *) 0x5a8 = 0x1357bd13; /* ramvalid TOS system variable */
xprintf("init ACIA: ");
/* init ACIA */
* (uint8_t *) 0xfffffc00 = 3;
NOP();
* (uint8_t *) 0xfffffc04 = 3;
NOP();
* (uint8_t *) 0xfffffc00 = 0x96;
NOP();
* (uint8_t *) 0xfffffa0f = -1;
NOP();
* (uint8_t *) 0xfffffa11 = -1;
NOP();
xprintf("finished\r\n");
acia_init();
/* Test for pseudo-supervisor mode: DIP switch #6 down */
if (DIP_SWITCH & (1 << 7)) {
@@ -319,7 +329,7 @@ void BaS(void)
xprintf("Call OS. BaS initialization finished...\r\n");
enable_coldfire_interrupts();
spidma_init();
dma_init();
ROM_HEADER* os_header = (ROM_HEADER*)TOS;
os_header->initial_pc();