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TQM8xx: add device tree support for TQM8xx based boards.

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Also use hwconfig to configure whether the board has a FEC or not.
We then can adjust the DTS to tell Linux if there is a FEC present.

syntax:

hwconfig=fec:on   if hardware has a  FEC
hwconfig=fec:off  if hardware has no FEC

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Heiko Schocher 2010-02-09 15:50:21 +01:00 committed by Wolfgang Denk
parent 143cd21fe2
commit 6ed3b9d44c
1 changed files with 119 additions and 0 deletions
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119
board/tqc/tqm8xx/tqm8xx.c
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@ -22,11 +22,16 @@
*/
#include <common.h>
#include <hwconfig.h>
#include <mpc8xx.h>
#ifdef CONFIG_PS2MULT
#include <ps2mult.h>
#endif
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
extern flash_info_t flash_info[]; /* FLASH chips info */
DECLARE_GLOBAL_DATA_PTR;
@ -599,6 +604,120 @@ void lcd_show_board_info(void)
}
#endif /* CONFIG_LCD_INFO */
/*
* Device Tree Support
*/
#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
int fdt_set_node_and_value (void *blob,
char *nodename,
char *regname,
void *var,
int size)
{
int ret = 0;
int nodeoffset = 0;
nodeoffset = fdt_path_offset (blob, nodename);
if (nodeoffset >= 0) {
ret = fdt_setprop (blob, nodeoffset, regname, var,
size);
if (ret < 0) {
printf("ft_blob_update(): "
"cannot set %s/%s property; err: %s\n",
nodename, regname, fdt_strerror (ret));
}
} else {
printf("ft_blob_update(): "
"cannot find %s node err:%s\n",
nodename, fdt_strerror (nodeoffset));
}
return ret;
}
int fdt_del_node_name (void *blob, char *nodename)
{
int ret = 0;
int nodeoffset = 0;
nodeoffset = fdt_path_offset (blob, nodename);
if (nodeoffset >= 0) {
ret = fdt_del_node (blob, nodeoffset);
if (ret < 0) {
printf("%s: cannot delete %s; err: %s\n",
__func__, nodename, fdt_strerror (ret));
}
} else {
printf("%s: cannot find %s node err:%s\n",
__func__, nodename, fdt_strerror (nodeoffset));
}
return ret;
}
int fdt_del_prop_name (void *blob, char *nodename, char *propname)
{
int ret = 0;
int nodeoffset = 0;
nodeoffset = fdt_path_offset (blob, nodename);
if (nodeoffset >= 0) {
ret = fdt_delprop (blob, nodeoffset, propname);
if (ret < 0) {
printf("%s: cannot delete %s %s; err: %s\n",
__func__, nodename, propname,
fdt_strerror (ret));
}
} else {
printf("%s: cannot find %s node err:%s\n",
__func__, nodename, fdt_strerror (nodeoffset));
}
return ret;
}
/*
* update "brg" property in the blob
*/
void ft_blob_update (void *blob, bd_t *bd)
{
uchar enetaddr[6];
ulong brg_data = 0;
/* BRG */
brg_data = cpu_to_be32(bd->bi_busfreq);
fdt_set_node_and_value(blob,
"/soc/cpm", "brg-frequency",
&brg_data, sizeof(brg_data));
/* MAC addr */
if (eth_getenv_enetaddr("ethaddr", enetaddr)) {
fdt_set_node_and_value(blob,
"ethernet0", "local-mac-address",
enetaddr, sizeof(u8) * 6);
}
if (hwconfig_arg_cmp("fec", "off")) {
/* no FEC on this plattform, delete DTS nodes */
fdt_del_node_name (blob, "ethernet1");
fdt_del_node_name (blob, "mdio1");
/* also the aliases entries */
fdt_del_prop_name (blob, "/aliases", "ethernet1");
fdt_del_prop_name (blob, "/aliases", "mdio1");
} else {
/* adjust local-mac-address for FEC ethernet */
if (eth_getenv_enetaddr("eth1addr", enetaddr)) {
fdt_set_node_and_value(blob,
"ethernet1", "local-mac-address",
enetaddr, sizeof(u8) * 6);
}
}
}
void ft_board_setup(void *blob, bd_t *bd)
{
ft_cpu_setup(blob, bd);
ft_blob_update(blob, bd);
}
#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
/* ---------------------------------------------------------------------------- */
/* TK885D specific initializaion */
/* ---------------------------------------------------------------------------- */