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[MIPS] Fix and cleanup the mess that a dozen prom_printf variants are.

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early_printk is a so much saner thing.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2007-03-01 11:56:43 +00:00
parent ca471c8604
commit 36a885306f
42 changed files with 255 additions and 428 deletions
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47
arch/mips/lasat/prom.c
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@@ -23,10 +23,6 @@
#define PROM_PUTC_ADDR PROM_JUMP_TABLE_ENTRY(1)
#define PROM_MONITOR_ADDR PROM_JUMP_TABLE_ENTRY(2)
static void null_prom_printf(const char * fmt, ...)
{
}
static void null_prom_display(const char *string, int pos, int clear)
{
}
@@ -40,50 +36,29 @@ static void null_prom_putc(char c)
}
/* these are functions provided by the bootloader */
static void (* prom_putc)(char c) = null_prom_putc;
void (* prom_printf)(const char * fmt, ...) = null_prom_printf;
static void (* __prom_putc)(char c) = null_prom_putc;
void prom_putchar(char c)
{
__prom_putc(c);
}
void (* prom_display)(const char *string, int pos, int clear) =
null_prom_display;
void (* prom_monitor)(void) = null_prom_monitor;
unsigned int lasat_ndelay_divider;
#define PROM_PRINTFBUF_SIZE 256
static char prom_printfbuf[PROM_PRINTFBUF_SIZE];
static void real_prom_printf(const char * fmt, ...)
{
va_list ap;
int len;
char *c = prom_printfbuf;
int i;
va_start(ap, fmt);
len = vsnprintf(prom_printfbuf, PROM_PRINTFBUF_SIZE, fmt, ap);
va_end(ap);
/* output overflowed the buffer */
if (len < 0 || len > PROM_PRINTFBUF_SIZE)
len = PROM_PRINTFBUF_SIZE;
for (i=0; i < len; i++) {
if (*c == '\n')
prom_putc('\r');
prom_putc(*c++);
}
}
static void setup_prom_vectors(void)
{
u32 version = *(u32 *)(RESET_VECTOR + 0x90);
if (version >= 307) {
prom_display = (void *)PROM_DISPLAY_ADDR;
prom_putc = (void *)PROM_PUTC_ADDR;
prom_printf = real_prom_printf;
__prom_putc = (void *)PROM_PUTC_ADDR;
prom_monitor = (void *)PROM_MONITOR_ADDR;
}
prom_printf("prom vectors set up\n");
printk("prom vectors set up\n");
}
static struct at93c_defs at93c_defs[N_MACHTYPES] = {
@@ -101,11 +76,11 @@ void __init prom_init(void)
setup_prom_vectors();
if (current_cpu_data.cputype == CPU_R5000) {
prom_printf("LASAT 200 board\n");
printk("LASAT 200 board\n");
mips_machtype = MACH_LASAT_200;
lasat_ndelay_divider = LASAT_200_DIVIDER;
} else {
prom_printf("LASAT 100 board\n");
printk("LASAT 100 board\n");
mips_machtype = MACH_LASAT_100;
lasat_ndelay_divider = LASAT_100_DIVIDER;
}