From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/powerpc/boot/ep88xc.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 arch/powerpc/boot/ep88xc.c (limited to 'arch/powerpc/boot/ep88xc.c') diff --git a/arch/powerpc/boot/ep88xc.c b/arch/powerpc/boot/ep88xc.c new file mode 100644 index 000000000..1c277a13b --- /dev/null +++ b/arch/powerpc/boot/ep88xc.c @@ -0,0 +1,51 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Embedded Planet EP88xC with PlanetCore firmware + * + * Author: Scott Wood + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + */ + +#include "ops.h" +#include "stdio.h" +#include "planetcore.h" +#include "mpc8xx.h" + +static char *table; +static u64 mem_size; + +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; + } + + mpc885_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 v1.2.3