also use hwconfig feature for configuring, if this hardware has an fec or not. So we can adjust the DTS, if there is a fec or not.
syntax:
hwconfig=fec:on if hardware has an 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 --- board/tqc/tqm8xx/tqm8xx.c | 119 +++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 119 insertions(+), 0 deletions(-)
diff --git a/board/tqc/tqm8xx/tqm8xx.c b/board/tqc/tqm8xx/tqm8xx.c index f92c598..53f79e8 100644 --- a/board/tqc/tqm8xx/tqm8xx.c +++ b/board/tqc/tqm8xx/tqm8xx.c @@ -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 */ /* ---------------------------------------------------------------------------- */