linux_dsm_epyc7002/arch/arm/mach-clps711x/common.c
Alexander Shiyan 32981ea5b9 ARM: clps711x: Reduce static map size
Last CLPS711X CPU register is PLLR has 0xa5a8 address, so we can reduce
the map to 48k and align the end of the static at VMALLOC_START.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-07-06 17:38:52 +02:00

66 lines
1.7 KiB
C

/*
* linux/arch/arm/mach-clps711x/core.c
*
* Core support for the CLPS711x-based machines.
*
* Copyright (C) 2001,2011 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/sizes.h>
#include <asm/mach/map.h>
#include <asm/system_misc.h>
#include <mach/hardware.h>
#include "common.h"
/*
* This maps the generic CLPS711x registers
*/
static struct map_desc clps711x_io_desc[] __initdata = {
{
.virtual = (unsigned long)CLPS711X_VIRT_BASE,
.pfn = __phys_to_pfn(CLPS711X_PHYS_BASE),
.length = 48 * SZ_1K,
.type = MT_DEVICE,
}
};
void __init clps711x_map_io(void)
{
iotable_init(clps711x_io_desc, ARRAY_SIZE(clps711x_io_desc));
}
void __init clps711x_init_irq(void)
{
clps711x_intc_init(CLPS711X_PHYS_BASE, SZ_16K);
}
void __init clps711x_timer_init(void)
{
clps711x_clk_init(CLPS711X_VIRT_BASE);
clps711x_clksrc_init(CLPS711X_VIRT_BASE + TC1D,
CLPS711X_VIRT_BASE + TC2D, IRQ_TC2OI);
}
void clps711x_restart(enum reboot_mode mode, const char *cmd)
{
soft_restart(0);
}