mirror of
https://github.com/torvalds/linux.git
synced 2024-11-26 06:02:05 +00:00
d7445676e8
These are all fairly small platforms by now, and they are closely related. Just move them all into a single directory. Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Tested-by: Sudeep Holla <sudeep.holla@arm.com> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
41 lines
832 B
C
41 lines
832 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/of.h>
|
|
#include <linux/of_address.h>
|
|
#include <asm/mach/arch.h>
|
|
|
|
#include "vexpress.h"
|
|
|
|
#define SYS_FLAGSSET 0x030
|
|
#define SYS_FLAGSCLR 0x034
|
|
|
|
void vexpress_flags_set(u32 data)
|
|
{
|
|
static void __iomem *base;
|
|
|
|
if (!base) {
|
|
struct device_node *node = of_find_compatible_node(NULL, NULL,
|
|
"arm,vexpress-sysreg");
|
|
|
|
base = of_iomap(node, 0);
|
|
}
|
|
|
|
if (WARN_ON(!base))
|
|
return;
|
|
|
|
writel(~0, base + SYS_FLAGSCLR);
|
|
writel(data, base + SYS_FLAGSSET);
|
|
}
|
|
|
|
static const char * const v2m_dt_match[] __initconst = {
|
|
"arm,vexpress",
|
|
NULL,
|
|
};
|
|
|
|
DT_MACHINE_START(VEXPRESS_DT, "ARM-Versatile Express")
|
|
.dt_compat = v2m_dt_match,
|
|
.l2c_aux_val = 0x00400000,
|
|
.l2c_aux_mask = 0xfe0fffff,
|
|
.smp = smp_ops(vexpress_smp_dt_ops),
|
|
.smp_init = smp_init_ops(vexpress_smp_init_ops),
|
|
MACHINE_END
|