diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/ppc4xx/fdt.c | 114 |
1 files changed, 34 insertions, 80 deletions
diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c index dcedbbb..3ef3000 100644 --- a/cpu/ppc4xx/fdt.c +++ b/cpu/ppc4xx/fdt.c @@ -35,25 +35,18 @@ #if defined(CONFIG_OF_LIBFDT) #include <libfdt.h> #include <libfdt_env.h> +#include <fdt_support.h> DECLARE_GLOBAL_DATA_PTR; -static void do_fixup(void *fdt, const char *node, const char *prop, - const void *val, int len, int create) -{ -#if defined(DEBUG) - int i; - debug("Updating property '%s/%s' = ", node, prop); - for (i = 0; i < len; i++) - debug(" %.2x", *(u8*)(val+i)); - debug("(%d)\n", *(u32 *)val); -#endif - int rc = fdt_find_and_setprop(fdt, node, prop, val, len, create); - if (rc) - printf("Unable to update property %s:%s, err=%s\n", - node, prop, fdt_strerror(rc)); -} +/* + * The aliases needed for this generic etherne MAC address + * fixup function are not in place yet. So don't use this + * approach for now. This will be enabled later. + */ +#undef USES_FDT_ALIASES +#ifndef USES_FDT_ALIASES static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i) { int rc; @@ -69,87 +62,47 @@ static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i) printf("Unable to update property %s, err=%s\n", "local-mac-address", fdt_strerror(rc)); } - -static void do_fixup_u32(void *fdt, const char *node, const char *prop, - u32 val, int create) -{ - val = cpu_to_fdt32(val); - do_fixup(fdt, node, prop, &val, sizeof(val), create); -} - -static void do_fixup_uart(void *fdt, int offset, int i, bd_t *bd) -{ - int rc; - u32 val; - PPC4xx_SYS_INFO sys_info; - - get_sys_info(&sys_info); - - debug("Updating node UART%d: clock-frequency=%d\n", i, gd->uart_clk); - - val = cpu_to_fdt32(gd->uart_clk); - rc = fdt_setprop(fdt, offset, "clock-frequency", &val, 4); - if (rc) - printf("Unable to update node UART, err=%s\n", fdt_strerror(rc)); - - val = cpu_to_fdt32(bd->bi_baudrate); - rc = fdt_setprop(fdt, offset, "current-speed", &val, 4); - if (rc) - printf("Unable to update node UART, err=%s\n", fdt_strerror(rc)); -} +#endif /* USES_FDT_ALIASES */ void ft_cpu_setup(void *blob, bd_t *bd) { - char * cpu_path = "/cpus/" OF_CPU; + char *cpu_path = "/cpus/" OF_CPU; sys_info_t sys_info; int offset; int i; - int tmp[2]; - get_sys_info (&sys_info); + get_sys_info(&sys_info); - do_fixup_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1); - do_fixup_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1); - do_fixup_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1); - do_fixup_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1); - do_fixup_u32(blob, "/plb/opb/ebc", "clock-frequency", sys_info.freqEBC, 1); - - /* update, or add and update /memory node */ - offset = fdt_find_node_by_path(blob, "/memory"); - if (offset < 0) { - offset = fdt_add_subnode(blob, 0, "memory"); - if (offset < 0) - debug("failed to add /memory node: %s\n", - fdt_strerror(offset)); - } - if (offset >= 0) { - fdt_setprop(blob, offset, "device_type", - "memory", sizeof("memory")); - tmp[0] = cpu_to_fdt32(bd->bi_memstart); - tmp[1] = cpu_to_fdt32(bd->bi_memsize); - fdt_setprop(blob, offset, "reg", tmp, sizeof(tmp)); - debug("Updating /memory node to %d:%d\n", - bd->bi_memstart, bd->bi_memsize); - } + do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1); + do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1); + do_fixup_by_path_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1); + do_fixup_by_path_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1); + do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency", + sys_info.freqEBC, 1); + fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); /* * Setup all baudrates for the UARTs */ - offset = 0; - for (i = 0; i < 4; i++) { - offset = fdt_find_node_by_type(blob, offset, "serial"); - if (offset < 0) - break; - - do_fixup_uart(blob, offset, i, bd); - } + do_fixup_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1); +#ifdef USES_FDT_ALIASES /* - * Setup all MAC addresses in fdt + * The aliases needed for this generic etherne MAC address + * fixup function are not in place yet. So don't use this + * approach for now. This will be enabled later. */ - offset = 0; + fdt_fixup_ethernet(blob, bd); +#else + offset = -1; for (i = 0; i < 4; i++) { - offset = fdt_find_node_by_type(blob, offset, "network"); + /* + * FIXME: This will cause problems with emac3 compatible + * devices, like on 405GP. But hopefully when we deal + * with those devices, the aliases stuff will be in + * place. + */ + offset = fdt_node_offset_by_compatible(blob, offset, "ibm,emac4"); if (offset < 0) break; @@ -174,5 +127,6 @@ void ft_cpu_setup(void *blob, bd_t *bd) #endif } } +#endif /* USES_FDT_ALIASES */ } #endif /* CONFIG_OF_LIBFDT */ |