From 0dde1a1df9ab0615ed08558fb7144e7739e9f565 Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Thu, 17 Jan 2008 16:32:05 -0600 Subject: [POWERPC] 82xx: Embedded Planet EP8248E support This board is also resold by Freescale under the names "QUICCStart MPC8248 Evaluation System" and "CWH-PPC-8248N-VE". Signed-off-by: Scott Wood Signed-off-by: Kumar Gala --- arch/powerpc/boot/ep8248e.c | 55 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 arch/powerpc/boot/ep8248e.c (limited to 'arch/powerpc/boot/ep8248e.c') diff --git a/arch/powerpc/boot/ep8248e.c b/arch/powerpc/boot/ep8248e.c new file mode 100644 index 0000000..f57d14d --- /dev/null +++ b/arch/powerpc/boot/ep8248e.c @@ -0,0 +1,55 @@ +/* + * Embedded Planet EP8248E with PlanetCore firmware + * + * Author: Scott Wood + * + * 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 "pq2.h" + +static char *table; +static u64 mem_size; + +#include + +static void platform_fixups(void) +{ + u64 val; + + 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; + } + + pq2_fixup_clocks(val); +} + +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; +} -- cgit v1.1