mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
3b1600c515
No R-Car or RZ/G SYSC driver uses any of the definitions provided by <linux/bug.h>, hence there is no need to include this header file. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Link: https://lore.kernel.org/r/20190920144705.27394-1-geert+renesas@glider.be
97 lines
2.9 KiB
C
97 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Renesas R-Car H3 System Controller
|
|
*
|
|
* Copyright (C) 2016-2017 Glider bvba
|
|
*/
|
|
|
|
#include <linux/bits.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/sys_soc.h>
|
|
|
|
#include <dt-bindings/power/r8a7795-sysc.h>
|
|
|
|
#include "rcar-sysc.h"
|
|
|
|
static struct rcar_sysc_area r8a7795_areas[] __initdata = {
|
|
{ "always-on", 0, 0, R8A7795_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
|
|
{ "ca57-scu", 0x1c0, 0, R8A7795_PD_CA57_SCU, R8A7795_PD_ALWAYS_ON,
|
|
PD_SCU },
|
|
{ "ca57-cpu0", 0x80, 0, R8A7795_PD_CA57_CPU0, R8A7795_PD_CA57_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "ca57-cpu1", 0x80, 1, R8A7795_PD_CA57_CPU1, R8A7795_PD_CA57_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "ca57-cpu2", 0x80, 2, R8A7795_PD_CA57_CPU2, R8A7795_PD_CA57_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "ca57-cpu3", 0x80, 3, R8A7795_PD_CA57_CPU3, R8A7795_PD_CA57_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "ca53-scu", 0x140, 0, R8A7795_PD_CA53_SCU, R8A7795_PD_ALWAYS_ON,
|
|
PD_SCU },
|
|
{ "ca53-cpu0", 0x200, 0, R8A7795_PD_CA53_CPU0, R8A7795_PD_CA53_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "ca53-cpu1", 0x200, 1, R8A7795_PD_CA53_CPU1, R8A7795_PD_CA53_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "ca53-cpu2", 0x200, 2, R8A7795_PD_CA53_CPU2, R8A7795_PD_CA53_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "ca53-cpu3", 0x200, 3, R8A7795_PD_CA53_CPU3, R8A7795_PD_CA53_SCU,
|
|
PD_CPU_NOCR },
|
|
{ "a3vp", 0x340, 0, R8A7795_PD_A3VP, R8A7795_PD_ALWAYS_ON },
|
|
{ "cr7", 0x240, 0, R8A7795_PD_CR7, R8A7795_PD_ALWAYS_ON },
|
|
{ "a3vc", 0x380, 0, R8A7795_PD_A3VC, R8A7795_PD_ALWAYS_ON },
|
|
/* A2VC0 exists on ES1.x only */
|
|
{ "a2vc0", 0x3c0, 0, R8A7795_PD_A2VC0, R8A7795_PD_A3VC },
|
|
{ "a2vc1", 0x3c0, 1, R8A7795_PD_A2VC1, R8A7795_PD_A3VC },
|
|
{ "3dg-a", 0x100, 0, R8A7795_PD_3DG_A, R8A7795_PD_ALWAYS_ON },
|
|
{ "3dg-b", 0x100, 1, R8A7795_PD_3DG_B, R8A7795_PD_3DG_A },
|
|
{ "3dg-c", 0x100, 2, R8A7795_PD_3DG_C, R8A7795_PD_3DG_B },
|
|
{ "3dg-d", 0x100, 3, R8A7795_PD_3DG_D, R8A7795_PD_3DG_C },
|
|
{ "3dg-e", 0x100, 4, R8A7795_PD_3DG_E, R8A7795_PD_3DG_D },
|
|
{ "a3ir", 0x180, 0, R8A7795_PD_A3IR, R8A7795_PD_ALWAYS_ON },
|
|
};
|
|
|
|
|
|
/*
|
|
* Fixups for R-Car H3 revisions
|
|
*/
|
|
|
|
#define HAS_A2VC0 BIT(0) /* Power domain A2VC0 is present */
|
|
#define NO_EXTMASK BIT(1) /* Missing SYSCEXTMASK register */
|
|
|
|
static const struct soc_device_attribute r8a7795_quirks_match[] __initconst = {
|
|
{
|
|
.soc_id = "r8a7795", .revision = "ES1.*",
|
|
.data = (void *)(HAS_A2VC0 | NO_EXTMASK),
|
|
}, {
|
|
.soc_id = "r8a7795", .revision = "ES2.*",
|
|
.data = (void *)(NO_EXTMASK),
|
|
},
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
static int __init r8a7795_sysc_init(void)
|
|
{
|
|
const struct soc_device_attribute *attr;
|
|
u32 quirks = 0;
|
|
|
|
attr = soc_device_match(r8a7795_quirks_match);
|
|
if (attr)
|
|
quirks = (uintptr_t)attr->data;
|
|
|
|
if (!(quirks & HAS_A2VC0))
|
|
rcar_sysc_nullify(r8a7795_areas, ARRAY_SIZE(r8a7795_areas),
|
|
R8A7795_PD_A2VC0);
|
|
|
|
if (quirks & NO_EXTMASK)
|
|
r8a7795_sysc_info.extmask_val = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct rcar_sysc_info r8a7795_sysc_info __initdata = {
|
|
.init = r8a7795_sysc_init,
|
|
.areas = r8a7795_areas,
|
|
.num_areas = ARRAY_SIZE(r8a7795_areas),
|
|
.extmask_offs = 0x2f8,
|
|
.extmask_val = BIT(0),
|
|
};
|