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ppc4xx: Add device tree support to AMCC Yosemite

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Add support for booting with a device tree blob. This is needed to boot
ARCH=powerpc kernels. Also add support for setting the eth0 mac address
via the ethaddr variable.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Ira Snyder 2008-04-29 11:18:54 -07:00 committed by Stefan Roese
parent b9bbefce1a
commit 4adb3023de
2 changed files with 32 additions and 0 deletions
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23
board/amcc/yosemite/yosemite.c
View File

@ -26,6 +26,8 @@
#include <asm/processor.h>
#include <asm/io.h>
#include <spd_sdram.h>
#include <libfdt.h>
#include <fdt_support.h>
DECLARE_GLOBAL_DATA_PTR;
@ -554,3 +556,24 @@ void board_reset(void)
/* give reset to BCSR */
*(unsigned char *)(CFG_BCSR_BASE | 0x06) = 0x09;
}
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
u32 val[4];
int rc;
ft_cpu_setup(blob, bd);
/* Fixup NOR mapping */
val[0] = 0; /* chip select number */
val[1] = 0; /* always 0 */
val[2] = gd->bd->bi_flashstart;
val[3] = gd->bd->bi_flashsize;
rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
val, sizeof(val), 1);
if (rc)
printf("Unable to update property NOR mapping, err=%s\n",
fdt_strerror(rc));
}
#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */

9
include/configs/yosemite.h
View File

@ -140,6 +140,14 @@
#define CFG_SDRAM_BANKS (2)
/*-----------------------------------------------------------------------
* Device tree support (Linux-2.6.26+)
*----------------------------------------------------------------------*/
/* pass open firmware flat tree */
#define CONFIG_OF_LIBFDT 1
#define CONFIG_OF_BOARD_SETUP 1
/*-----------------------------------------------------------------------
* I2C
*----------------------------------------------------------------------*/
@ -227,6 +235,7 @@
#define CONFIG_MII 1 /* MII PHY management */
#define CONFIG_NET_MULTI 1 /* required for netconsole */
#define CONFIG_PHY1_ADDR 3
#define CONFIG_HAS_ETH0 1 /* add support for "ethaddr" */
#define CONFIG_HAS_ETH1 1 /* add support for "eth1addr" */
#define CONFIG_PHY_ADDR 1 /* PHY address, See schematics */