/* * Embedded Planet EP405 with PlanetCore firmware * * (c) Benjamin Herrenschmidt <benh@kernel.crashing.org>, IBM Corp,\ * * Based on ep88xc.c by * * Scott Wood <scottwood@freescale.com> * * Copyright (c) 2007 Freescale Semiconductor, Inc. * * 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 "stdio.h" #include "planetcore.h" #include "dcr.h" #include "4xx.h" #include "io.h" static char *table; static u64 mem_size; static void platform_fixups(void) { u64 val; void *nvrtc; dt_fixup_memory(0, mem_size); planetcore_set_mac_addrs(table); if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) { printf("No PlanetCore crystal frequency key.\r\n"); return; } ibm405gp_fixup_clocks(val, 0xa8c000); ibm4xx_quiesce_eth((u32 *)0xef600800, NULL); ibm4xx_fixup_ebc_ranges("/plb/ebc"); if (!planetcore_get_decimal(table, PLANETCORE_KEY_KB_NVRAM, &val)) { printf("No PlanetCore NVRAM size key.\r\n"); return; } nvrtc = finddevice("/plb/ebc/nvrtc@4,200000"); if (nvrtc != NULL) { u32 reg[3] = { 4, 0x200000, 0}; getprop(nvrtc, "reg", reg, 3); reg[2] = (val << 10) & 0xffffffff; setprop(nvrtc, "reg", reg, 3); } } void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7) { table = (char *)r3; planetcore_prepare_table(table); if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size)) return; mem_size *= 1024 * 1024; simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64); fdt_init(_dtb_start); planetcore_set_stdout_path(table); serial_console_init(); platform_ops.fixups = platform_fixups; }