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more initialization done

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This commit is contained in:
Markus Fröschle
2012-10-13 19:19:42 +00:00
parent 6111fad571
commit d554400be3
1 changed files with 52 additions and 46 deletions
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98
BaS_GNU/sources/sysinit.c
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@@ -299,63 +299,69 @@ void wait_pll(void)
} while (! * (volatile uint16_t *) 0xf0000800); } while (! * (volatile uint16_t *) 0xf0000800);
} }
static volatile uint8_t *pll_base = (volatile uint8_t *) 0xf0000600;
void init_pll(void) void init_pll(void)
{ {
* (volatile uint16_t *) (pll_base + 0x48) = 0x27; /* loopfilter r */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x08) = 1; /* charge pump 1 */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x00) = 12; /* N counter high = 12 */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x40) = 12; /* N counter low = 12 */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x114) = 1; /* ck1 bypass */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x118) = 1; /* ck2 bypass */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x11c) = 1; /* ck3 bypass */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x10) = 1; /* ck0 high = 1 */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x50) = 1; /* ck0 low = 1 */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x144) = 1; /* M odd division */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x44) = 1; /* M low = 1 */
wait_pll();
* (volatile uint16_t *) (pll_base + 0x04) = 145; /* M high = 145 = 146 MHz */
wait_pll();
* (volatile uint8_t *) 0xf0000800 = 0; /* set */
MCF_PSC0_PSCTB_8BIT = 'SET!';
MCF_PSC0_PSCTB_8BIT = 0x0a0d;
} }
#ifdef _NOT_USED_
// init pll
MCF_PSC0_PSCTB_8BIT = 'PLL '; asm {
lea 0xf0000600, a0 lea 0xf0000800, a1 bsr wait_pll move.w
#27,0x48(a0) // loopfilter r
bsr wait_pll move.w
#1,0x08(a0) // charge pump I
bsr wait_pll move.w
#12,0x0(a0) // N counter high = 12
bsr wait_pll move.w
#12,0x40(a0) // N counter low = 12
bsr wait_pll move.w
#1,0x114(a0) // ck1 bypass
bsr wait_pll move.w
#1,0x118(a0) // ck2 bypass
bsr wait_pll move.w
#1,0x11c(a0) // ck3 bypass
bsr wait_pll move.w
#1,0x10(a0) // ck0 high = 1
bsr wait_pll move.w
#1,0x50(a0) // ck0 low = 1
bsr wait_pll move.w
#1,0x144(a0) // M odd division
bsr wait_pll move.w
#1,0x44(a0) // M low = 1
bsr wait_pll move.w
#145,0x04(a0) // M high = 145 = 146MHz
bsr wait_pll clr.b(a1) // set
}
MCF_PSC0_PSCTB_8BIT = 'SET!'; MCF_PSC0_PSCTB_8BIT = 0x0a0d;}
/* /*
* INIT VIDEO DDR RAM * INIT VIDEO DDR RAM
*/ */
void init_video_ddr(void) { #define NOP() asm("nop\n\t")
asm {
// init video ram void init_video_ddr(void) {
moveq.l #0xB,d0 * (uint16_t *) 0xf0000400 = 0xb; /* set cke = 1, cs=1, config = 1 */
move.w d0, 0xF0000400 //set cke=1, cs=1 config=1 NOP();
nop lea __VRAM, a0 //zeiger auf video ram _VRAM = 0x00050400; /* IPALL */
nop move.l #0x00050400,(a0) //IPALL NOP();
nop move.l #0x00072000,(a0) //load EMR pll on _VRAM = 0x00072000; /* load EMR pll on */
nop move.l #0x00070122,(a0) //load MR: reset pll, cl=2 BURST=4lw NOP();
nop move.l #0x00050400,(a0) //IPALL _VRAM = 0x00070122; /* load MR: reset pll, cl=2, burst=4lw */
nop move.l #0x00060000,(a0) //auto refresh NOP();
nop move.l #0x00060000,(a0) //auto refresh _VRAM = 0x00050400; /* IPALL */
nop move.l #0000070022,(a0) //load MR dll on NOP();
nop move.l #0x01070002,d0 // fifo on, refresh on, ddrcs und cke on, video dac on, _VRAM = 0x00060000; /* auto refresh */
move.l d0, 0xf0000400} NOP();
} _VRAM = 0x00060000; /* auto refresh */
NOP();
_VRAM = 0000070022; /* load MR dll on */
NOP();
* (uint32_t *) 0xf0000400 = 0x01070002;
}
#ifdef _NOT_USED_
/********************************************************************/ /********************************************************************/
/* video mit auflösung 1280x1000 137MHz /* /* video mit auflösung 1280x1000 137MHz /*