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Add helper function for generic flat device tree fixups for mpc83xx 

Patch by Kumar Gala 11 Jan 2006
This commit is contained in:
Kumar Gala 2006-01-11 16:48:10 -06:00
parent e559a6901a
commit 62ec6418d4
2 changed files with 41 additions and 0 deletions
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3
CHANGELOG
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@ -2,6 +2,9 @@
Changes since U-Boot 1.1.4:
======================================================================
* Add helper function for generic flat device tree fixups for mpc83xx
Patch by Kumar Gala 11 Jan 2006
* Add support for passing initrd information via flat device tree
Patch by Kumar Gala 11 Jan 2006

38
cpu/mpc83xx/cpu.c
View File

@ -35,6 +35,7 @@
#include <watchdog.h>
#include <command.h>
#include <mpc83xx.h>
#include <ft_build.h>
#include <asm/processor.h>
@ -151,3 +152,40 @@ void watchdog_reset (void)
hang(); /* FIXME: implement watchdog_reset()? */
}
#endif /* CONFIG_WATCHDOG */
#if defined(CONFIG_OF_FLAT_TREE)
void
ft_cpu_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
ulong clock;
clock = bd->bi_busfreq;
p = ft_get_prop(blob, "/cpus/" OF_CPU "/bus-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
p = ft_get_prop(blob, "/" OF_SOC "/bus-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
p = ft_get_prop(blob, "/" OF_SOC "/serial@4500/clock-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
p = ft_get_prop(blob, "/" OF_SOC "/serial@4600/clock-frequency", &len);
if (p != NULL)
*p = cpu_to_be32(clock);
#ifdef CONFIG_MPC83XX_TSEC1
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@24000/address", &len);
memcpy(p, bd->bi_enetaddr, 6);
#endif
#ifdef CONFIG_MPC83XX_TSEC2
p = ft_get_prop(blob, "/" OF_SOC "/ethernet@25000/address", &len);
memcpy(p, bd->bi_enet1addr, 6);
#endif
}
#endif