funnyos/arch/sam7s64/config.c - diff

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version 1.3, 2007/11/09 16:12:15

version 1.4, 2007/11/13 15:41:35

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#include <sys/types.h>

#include <sys/device.h>

/* devices' regs that we will touch in config_machineinit() */

#include <arch/sam7s64/dev/sapmcreg.h>

* Configuration file for platform (AT91SAM7S64).

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void

config_consinit(void)

config_machineinit(void)

{

* Configure putchar, so we can printf messages to the console without fcons.

* Initialize critical devices at startup.

/* putchar = tauart_early_putc; */

/* XXX kill magic */

/* enable main oscillator and set 6 Slow Clock cycles to wait for its startup */

*(uint32_t)(SAPMC_BASE + SAPMC_CKGR_MOR) = (0x0000ff00 & (0x06 << 8)) | 0x00000001;

/* wait main osc. to stabilize.. */

while (*(uint32_t)(SAPMC_BASE + SAPMC_PMC_SR) & 0x00000001 )

;

/* TODO set PLL */

// *(uint32_t)(SAPMC_BASE + SAPMC_PMC_MCKR) =

}