X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=cpu%2Fppc4xx%2Ffdt.c;h=a97484fa74ee34123126fcdf89888fabfd3f5740;hb=ce0eb70333331da6942167c41e6841c8c7994a33;hp=bf97c2a435634cb5be9621f8300ebdb0aeb937b8;hpb=764e7417ee5f6e25b1715720e7d7dd3487109385;p=u-boot diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c index bf97c2a435..a97484fa74 100644 --- a/cpu/ppc4xx/fdt.c +++ b/cpu/ppc4xx/fdt.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2007 + * (C) Copyright 2007-2008 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * See file CREDITS for list of people who contributed to this @@ -21,156 +21,120 @@ * MA 02111-1307 USA */ -/* define DEBUG for debugging output (obviously ;-)) */ -#if 0 -#define DEBUG -#endif - #include #include #include #include #include -#if defined(CONFIG_OF_LIBFDT) +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) #include #include +#include +#include -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("\n"); -#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)); -} +DECLARE_GLOBAL_DATA_PTR; -static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i) +void __ft_board_setup(void *blob, bd_t *bd) { + u32 val[4]; int rc; - debug("Updating node EMAC%d\n", i); - - rc = fdt_setprop(fdt, offset, "mac-address", val, 6); - if (rc) - printf("Unable to update property %s, err=%s\n", - "mac-address", fdt_strerror(rc)); - rc = fdt_setprop(fdt, offset, "local-mac-address", val, 6); + 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; + if (fdt_path_offset(blob, "/plb/opb/ebc") >= 0) { + rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges", + val, sizeof(val), 1); + } else { + /* + * Some 405 PPC's have EBC as direct PLB child in the dts + */ + rc = fdt_find_and_setprop(blob, "/plb/ebc", "ranges", + val, sizeof(val), 1); + } if (rc) - 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); + printf("Unable to update property NOR mapping, err=%s\n", + fdt_strerror(rc)); } +void ft_board_setup(void *blob, bd_t *bd) __attribute__((weak, alias("__ft_board_setup"))); -static void do_fixup_uart(void *fdt, int offset, int i, bd_t *bd) +/* + * Fixup all PCIe nodes by setting the device_type property + * to "pci-endpoint" instead is "pci" for endpoint ports. + * This property will get checked later by the Linux driver + * to properly configure the PCIe port in Linux (again). + */ +void fdt_pcie_setup(void *blob) { + const char *compat = "ibm,plb-pciex"; + const char *prop = "device_type"; + const char *prop_val = "pci-endpoint"; + const u32 *port; + int no; int rc; - u32 val; - PPC4xx_SYS_INFO sys_info; - get_sys_info(&sys_info); - - debug("Updating node UART%d\n", i); - - val = cpu_to_fdt32(sys_info.freqUART); - rc = fdt_setprop(fdt, offset, "clock-frequency", &val, 4); - if (rc) - printf("Unable to update node UART, err=%s\n", fdt_strerror(rc)); + /* Search first PCIe node */ + no = fdt_node_offset_by_compatible(blob, -1, compat); + while (no != -FDT_ERR_NOTFOUND) { + port = fdt_getprop(blob, no, "port", NULL); + if (port == NULL) { + printf("WARNING: could not find port property\n"); + } else { + if (is_end_point(*port)) { + rc = fdt_setprop(blob, no, prop, prop_val, + strlen(prop_val) + 1); + if (rc < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop, compat, 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)); + /* Jump to next PCIe node */ + no = fdt_node_offset_by_compatible(blob, no, compat); + } } void ft_cpu_setup(void *blob, bd_t *bd) { - char * cpu_path = "/cpus/" OF_CPU; sys_info_t sys_info; - int offset; - int i; - int tmp[2]; - - 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); - } + + get_sys_info(&sys_info); + + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "timebase-frequency", + bd->bi_intfreq, 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, "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); + + if (fdt_path_offset(blob, "/plb/opb/ebc") >= 0) + do_fixup_by_path_u32(blob, "/plb/opb/ebc", "clock-frequency", + sys_info.freqEBC, 1); + else + do_fixup_by_path_u32(blob, "/plb/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_by_compat_u32(blob, "ns16550", "clock-frequency", gd->uart_clk, 1); - do_fixup_uart(blob, offset, i, bd); - } + /* + * Fixup all ethernet nodes + * Note: aliases in the dts are required for this + */ + fdt_fixup_ethernet(blob); /* - * Setup all MAC addresses in fdt + * Fixup all available PCIe nodes by setting the device_type property */ - offset = 0; - for (i = 0; i < 4; i++) { - offset = fdt_find_node_by_type(blob, offset, "network"); - if (offset < 0) - break; - - switch (i) { - case 0: - do_fixup_macaddr(blob, offset, bd->bi_enetaddr, 0); - break; -#ifdef CONFIG_HAS_ETH1 - case 1: - do_fixup_macaddr(blob, offset, bd->bi_enet1addr, 1); - break; -#endif -#ifdef CONFIG_HAS_ETH2 - case 2: - do_fixup_macaddr(blob, offset, bd->bi_enet2addr, 2); - break; -#endif -#ifdef CONFIG_HAS_ETH3 - case 3: - do_fixup_macaddr(blob, offset, bd->bi_enet3addr, 3); - break; -#endif - } - } + fdt_pcie_setup(blob); } -#endif /* CONFIG_OF_LIBFDT */ +#endif /* CONFIG_OF_LIBFDT && CONFIG_OF_BOARD_SETUP */