mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-15 13:56:45 +07:00
d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Old U-boot compatibility for MPC5200
|
|
*
|
|
* Author: Grant Likely <grant.likely@secretlab.ca>
|
|
*
|
|
* Copyright (c) 2007 Secret Lab Technologies Ltd.
|
|
* Copyright (c) 2007 Freescale Semiconductor, Inc.
|
|
*/
|
|
|
|
#include "ops.h"
|
|
#include "stdio.h"
|
|
#include "io.h"
|
|
#include "cuboot.h"
|
|
|
|
#define TARGET_PPC_MPC52xx
|
|
#include "ppcboot.h"
|
|
|
|
static bd_t bd;
|
|
|
|
static void platform_fixups(void)
|
|
{
|
|
void *soc, *reg;
|
|
int div;
|
|
u32 sysfreq;
|
|
|
|
|
|
dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
|
|
dt_fixup_mac_addresses(bd.bi_enetaddr);
|
|
dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
|
|
|
|
/* 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)
|
|
soc = find_node_by_compatible(NULL, "fsl,mpc5200-immr");
|
|
if (!soc)
|
|
soc = find_node_by_compatible(NULL, "fsl,mpc5200b-immr");
|
|
if (soc) {
|
|
setprop(soc, "bus-frequency", &bd.bi_ipbfreq,
|
|
sizeof(bd.bi_ipbfreq));
|
|
|
|
if (!dt_xlate_reg(soc, 0, (void*)®, NULL))
|
|
return;
|
|
div = in_8(reg + 0x204) & 0x0020 ? 8 : 4;
|
|
sysfreq = bd.bi_busfreq * div;
|
|
setprop(soc, "system-frequency", &sysfreq, sizeof(sysfreq));
|
|
}
|
|
}
|
|
|
|
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
|
|
unsigned long r6, unsigned long r7)
|
|
{
|
|
CUBOOT_INIT();
|
|
fdt_init(_dtb_start);
|
|
serial_console_init();
|
|
platform_ops.fixups = platform_fixups;
|
|
}
|