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sc520: Move board specific settings to board init function

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This commit is contained in:
Graeme Russ 2011-02-12 15:11:38 +11:00
parent c2cbbaf0b4
commit 870847f5c5
2 changed files with 9 additions and 19 deletions
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19
arch/i386/cpu/sc520/sc520.c
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@ -42,25 +42,6 @@ sc520_mmcr_t *sc520_mmcr = (sc520_mmcr_t *)SC520_MMCR_BASE;
int cpu_init_f(void)
{
/*
* Set the UARTxCTL register at it's slower,
* baud clock giving us a 1.8432 MHz reference
*/
writeb(0x07, &sc520_mmcr->uart1ctl);
writeb(0x07, &sc520_mmcr->uart2ctl);
/* first set the timer pin mapping */
writeb(0x72, &sc520_mmcr->clksel); /* no clock frequency selected, use 1.1892MHz */
/* enable PCI bus arbiter (concurrent mode) */
writeb(0x02, &sc520_mmcr->sysarbctl);
/* enable external grants */
writeb(0x1f, &sc520_mmcr->sysarbmenb);
/* enable posted-writes */
writeb(0x04, &sc520_mmcr->hbctl);
if (CONFIG_SYS_SC520_HIGH_SPEED) {
/* set it to 133 MHz and write back */
writeb(0x02, &sc520_mmcr->cpuctl);

9
board/eNET/eNET.c
View File

@ -94,12 +94,21 @@ int board_early_init_f(void)
writew(0x0615, &sc520_mmcr->romcs1ctl);
writew(0x0615, &sc520_mmcr->romcs2ctl);
/*
* Set the timer pin mapping
* no clock frequency selected, use 1.1892MHz
*/
writeb(0x72, &sc520_mmcr->clksel);
writeb(0x00, &sc520_mmcr->adddecctl);
writeb(0x07, &sc520_mmcr->uart1ctl);
writeb(0x07, &sc520_mmcr->uart2ctl);
writeb(0x06, &sc520_mmcr->sysarbctl);
writew(0x0003, &sc520_mmcr->sysarbmenb);
/* enable posted-writes */
writeb(0x04, &sc520_mmcr->hbctl);
return 0;
}