diff options
Diffstat (limited to 'target/linux/mpc85xx/files')
| -rw-r--r-- | target/linux/mpc85xx/files/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c | 168 | ||||
| -rw-r--r-- | target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts | 30 |
2 files changed, 30 insertions, 168 deletions
diff --git a/target/linux/mpc85xx/files/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c b/target/linux/mpc85xx/files/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c deleted file mode 100644 index 17459eface..0000000000 --- a/target/linux/mpc85xx/files/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * U-Boot compatibility wrapper for the TP-Link TL-WDR4900 v1 board - * - * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org> - * - * Based on: - * cuboot-85xx.c - * Author: Scott Wood <scottwood@freescale.com> - * Copyright (c) 2007 Freescale Semiconductor, Inc. - * - * simpleboot.c - * Authors: Scott Wood <scottwood@freescale.com> - * Grant Likely <grant.likely@secretlab.ca> - * Copyright (c) 2007 Freescale Semiconductor, Inc. - * Copyright (c) 2008 Secret Lab Technologies Ltd. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - */ - -#include "ops.h" -#include "types.h" -#include "io.h" -#include "stdio.h" -#include <libfdt.h> - -BSS_STACK(4*1024); - -static unsigned long bus_freq; -static unsigned long int_freq; -static u64 mem_size; -static unsigned char enetaddr[6]; - -static void process_boot_dtb(void *boot_dtb) -{ - const u32 *na, *ns, *reg, *val32; - const char *path; - u64 memsize64; - int node, size, i; - - /* Make sure FDT blob is sane */ - if (fdt_check_header(boot_dtb) != 0) - fatal("Invalid device tree blob\n"); - - /* Find the #address-cells and #size-cells properties */ - node = fdt_path_offset(boot_dtb, "/"); - if (node < 0) - fatal("Cannot find root node\n"); - na = fdt_getprop(boot_dtb, node, "#address-cells", &size); - if (!na || (size != 4)) - fatal("Cannot find #address-cells property"); - - ns = fdt_getprop(boot_dtb, node, "#size-cells", &size); - if (!ns || (size != 4)) - fatal("Cannot find #size-cells property"); - - /* Find the memory range */ - node = fdt_node_offset_by_prop_value(boot_dtb, -1, "device_type", - "memory", sizeof("memory")); - if (node < 0) - fatal("Cannot find memory node\n"); - reg = fdt_getprop(boot_dtb, node, "reg", &size); - if (size < (*na+*ns) * sizeof(u32)) - fatal("cannot get memory range\n"); - - /* Only interested in memory based at 0 */ - for (i = 0; i < *na; i++) - if (*reg++ != 0) - fatal("Memory range is not based at address 0\n"); - - /* get the memsize and trucate it to under 4G on 32 bit machines */ - memsize64 = 0; - for (i = 0; i < *ns; i++) - memsize64 = (memsize64 << 32) | *reg++; - if (sizeof(void *) == 4 && memsize64 >= 0x100000000ULL) - memsize64 = 0xffffffff; - - mem_size = memsize64; - - /* get clock frequencies */ - node = fdt_node_offset_by_prop_value(boot_dtb, -1, "device_type", - "cpu", sizeof("cpu")); - if (!node) - fatal("Cannot find cpu node\n"); - - val32 = fdt_getprop(boot_dtb, node, "clock-frequency", &size); - if (!val32 || (size != 4)) - fatal("Cannot get clock frequency"); - - int_freq = *val32; - - val32 = fdt_getprop(boot_dtb, node, "bus-frequency", &size); - if (!val32 || (size != 4)) - fatal("Cannot get bus frequency"); - - bus_freq = *val32; - - path = fdt_get_alias(boot_dtb, "ethernet0"); - if (path) { - const void *p; - - node = fdt_path_offset(boot_dtb, path); - if (node < 0) - fatal("Cannot find ethernet0 node"); - - p = fdt_getprop(boot_dtb, node, "mac-address", &size); - if (!p || (size < 6)) { - printf("no mac-address property, finding local\n\r"); - p = fdt_getprop(boot_dtb, node, "local-mac-address", &size); - } - - if (!p || (size < 6)) - fatal("cannot get MAC addres"); - - memcpy(enetaddr, p, sizeof(enetaddr)); - } -} - -static void platform_fixups(void) -{ - void *soc, *mpic; - - dt_fixup_memory(0, mem_size); - - dt_fixup_mac_address_by_alias("ethernet0", enetaddr); - dt_fixup_cpu_clocks(int_freq, bus_freq / 8, bus_freq); - - /* Unfortunately, the specific model number is encoded in the - * soc node name in existing dts files -- once that is fixed, - * this can do a simple path lookup. - */ - soc = find_node_by_devtype(NULL, "soc"); - if (soc) { - void *serial = NULL; - - setprop(soc, "bus-frequency", &bus_freq, sizeof(bus_freq)); - - while ((serial = find_node_by_devtype(serial, "serial"))) { - if (get_parent(serial) != soc) - continue; - - setprop(serial, "clock-frequency", &bus_freq, - sizeof(bus_freq)); - } - } - - mpic = find_node_by_compatible(NULL, "fsl,mpic"); - if (mpic) - setprop(mpic, "clock-frequency", &bus_freq, sizeof(bus_freq)); -} - -void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - mem_size = 64 * 1024 * 1024; - - simple_alloc_init(_end, mem_size - (u32)_end - 1024*1024, 32, 64); - - fdt_init(_dtb_start); - serial_console_init(); - - printf("\n\r-- TL-WDR4900 v1 boot wrapper --\n\r"); - - process_boot_dtb((void *) r3); - - platform_ops.fixups = platform_fixups; -} diff --git a/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts b/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts index ab4952aad5..f9fdfc6465 100644 --- a/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts +++ b/target/linux/mpc85xx/files/arch/powerpc/boot/dts/tl-wdr4900-v1.dts @@ -236,6 +236,36 @@ /include/ "fsl/p1010si-post.dtsi" +/ { + cpus { + PowerPC,P1010@0 { + bus-frequency = <399999996>; + timebase-frequency = <49999999>; + clock-frequency = <799999992>; + }; + }; + + memory { + reg = <0x0 0x0 0x0 0x8000000>; + }; + + soc@ffe00000 { + bus-frequency = <399999996>; + + serial@4600 { + clock-frequency = <399999996>; + }; + + serial@4500 { + clock-frequency = <399999996>; + }; + + pic@40000 { + clock-frequency = <399999996>; + }; + }; +}; + /* * The TL-WDR4900 v1 uses the NXP (Freescale) P1014 SoC which is closely * related to the P1010. |