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| File: [Development] / linux-2.6-xfs / arch / m32r / boot / compressed / m32r_sio.c (download)
Revision 1.1, Fri Oct 1 15:10:15 2004 UTC (13 years ago) by nathans.longdrop.melbourne.sgi.com
Upgrade kernel to 2.6.9-rc3 and kdb to 4.4 Merge of 2.6.x-xfs-melb:linux:19628a by kenmcd. |
/*
* arch/m32r/boot/compressed/m32r_sio.c
*
* 2003-02-12: Takeo Takahashi
*
*/
#include <linux/config.h>
#include <asm/m32r.h>
#include <asm/io.h>
void putc(char c);
int puts(const char *s)
{
char c;
while ((c = *s++)) putc(c);
return 0;
}
#if defined(CONFIG_PLAT_M32700UT_Alpha) || defined(CONFIG_PLAT_M32700UT)
#define USE_FPGA_MAP 0
#if USE_FPGA_MAP
/*
* fpga configuration program uses MMU, and define map as same as
* M32104 uT-Engine board.
*/
#define BOOT_SIO0STS (volatile unsigned short *)(0x02c00000 + 0x20006)
#define BOOT_SIO0TXB (volatile unsigned short *)(0x02c00000 + 0x2000c)
#else
#undef PLD_BASE
#define PLD_BASE 0xa4c00000
#define BOOT_SIO0STS PLD_ESIO0STS
#define BOOT_SIO0TXB PLD_ESIO0TXB
#endif
void putc(char c)
{
while ((*BOOT_SIO0STS & 0x3) != 0x3) ;
if (c == '\n') {
*BOOT_SIO0TXB = '\r';
while ((*BOOT_SIO0STS & 0x3) != 0x3) ;
}
*BOOT_SIO0TXB = c;
}
#else
void putc(char c)
{
/* do nothing */
}
#endif