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arm64: renesas: Deduplicate R-Car Gen4 board files

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All R-Car Gen4 board files are copies of one another at this point.
Deduplicate them into single board/renesas/rcar-common/gen4-common.c
and remove all the duplicates. The one exception is R-Car V3U Falcon
board, which enables RWDT reset in board_init(), conditionally build
RWDT enablement in board_init() in the new common code for V3U.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Marek Vasut
2024-12-12 14:37:34 +01:00
parent 67440c8642
commit caefe8a1b4
8 changed files with 20 additions and 244 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
board/renesas/falcon/Makefile
View File

@@ -9,5 +9,5 @@
ifdef CONFIG_XPL_BUILD
obj-y := ../rcar-common/gen3-spl.o
else
obj-y := falcon.o ../rcar-common/common.o
obj-y := ../rcar-common/gen4-common.o ../rcar-common/common.o
endif

102
board/renesas/falcon/falcon.c
View File

@@ -1,102 +0,0 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* board/renesas/falcon/falcon.c
* This file is Falcon board support.
*
* Copyright (C) 2020 Renesas Electronics Corp.
*/
#include <asm/arch/renesas.h>
#include <asm/arch/sys_proto.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/processor.h>
#include <linux/errno.h>
#include <asm/system.h>
DECLARE_GLOBAL_DATA_PTR;
#define CPGWPR 0xE6150000
#define CPGWPCR 0xE6150004
#define EXTAL_CLK 16666600u
#define CNTCR_BASE 0xE6080000
#define CNTFID0 (CNTCR_BASE + 0x020)
#define CNTCR_EN BIT(0)
static void init_generic_timer(void)
{
u32 freq;
/* Set frequency data in CNTFID0 */
freq = EXTAL_CLK;
/* Update memory mapped and register based freqency */
asm volatile ("msr cntfrq_el0, %0" :: "r" (freq));
writel(freq, CNTFID0);
/* Enable counter */
setbits_le32(CNTCR_BASE, CNTCR_EN);
}
/* Distributor Registers */
#define GICD_BASE 0xF1000000
/* ReDistributor Registers for Control and Physical LPIs */
#define GICR_LPI_BASE 0xF1060000
#define GICR_WAKER 0x0014
#define GICR_PWRR 0x0024
#define GICR_LPI_WAKER (GICR_LPI_BASE + GICR_WAKER)
#define GICR_LPI_PWRR (GICR_LPI_BASE + GICR_PWRR)
/* ReDistributor Registers for SGIs and PPIs */
#define GICR_SGI_BASE 0xF1070000
#define GICR_IGROUPR0 0x0080
static void init_gic_v3(void)
{
/* GIC v3 power on */
writel(0x00000002, (GICR_LPI_PWRR));
/* Wait till the WAKER_CA_BIT changes to 0 */
writel(readl(GICR_LPI_WAKER) & ~0x00000002, (GICR_LPI_WAKER));
while (readl(GICR_LPI_WAKER) & 0x00000004)
;
writel(0xffffffff, GICR_SGI_BASE + GICR_IGROUPR0);
}
void s_init(void)
{
if (current_el() == 3)
init_generic_timer();
}
int board_early_init_f(void)
{
/* Unlock CPG access */
writel(0x5A5AFFFF, CPGWPR);
writel(0xA5A50000, CPGWPCR);
return 0;
}
#define RST_BASE 0xE6160000 /* Domain0 */
#define RST_WDTRSTCR (RST_BASE + 0x10)
#define RST_RWDT 0xA55A8002
int board_init(void)
{
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_TEXT_BASE + 0x50000;
if (current_el() == 3) {
init_gic_v3();
/* Enable RWDT reset */
writel(RST_RWDT, RST_WDTRSTCR);
}
return 0;
}

2
board/renesas/grayhawk/Makefile
View File

@@ -6,4 +6,4 @@
# SPDX-License-Identifier: GPL-2.0+
#
obj-y := grayhawk.o ../rcar-common/common.o
obj-y := ../rcar-common/gen4-common.o ../rcar-common/common.o

22
board/renesas/grayhawk/grayhawk.c → board/renesas/rcar-common/gen4-common.c
View File

@@ -1,9 +1,8 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* board/renesas/grayhawk/grayhawk.c
* This file is Gray Hawk board support.
* board/renesas/rcar-common/gen4-common.c
*
* Copyright (C) 2023 Renesas Electronics Corp.
* Copyright (C) 2021-2024 Renesas Electronics Corp.
*/
#include <asm/arch/renesas.h>
@@ -12,8 +11,12 @@
#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/processor.h>
#include <linux/errno.h>
#include <asm/system.h>
#include <linux/errno.h>
#define RST_BASE 0xE6160000 /* Domain0 */
#define RST_WDTRSTCR (RST_BASE + 0x10)
#define RST_RWDT 0xA55A8002
DECLARE_GLOBAL_DATA_PTR;
@@ -59,8 +62,15 @@ int board_early_init_f(void)
int board_init(void)
{
if (current_el() == 3)
init_gic_v3();
if (current_el() != 3)
return 0;
init_gic_v3();
/* Enable RWDT reset on V3U in EL3 */
if (IS_ENABLED(CONFIG_R8A779A0) &&
renesas_get_cpu_type() == RENESAS_CPU_TYPE_R8A779A0) {
writel(RST_RWDT, RST_WDTRSTCR);
}
return 0;
}

2
board/renesas/spider/Makefile
View File

@@ -6,4 +6,4 @@
# SPDX-License-Identifier: GPL-2.0+
#
obj-y := spider.o ../rcar-common/common.o
obj-y := ../rcar-common/gen4-common.o ../rcar-common/common.o

66
board/renesas/spider/spider.c
View File

@@ -1,66 +0,0 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* board/renesas/spider/spider.c
* This file is Spider board support.
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
#include <asm/arch/renesas.h>
#include <asm/arch/sys_proto.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/processor.h>
#include <asm/system.h>
#include <linux/errno.h>
DECLARE_GLOBAL_DATA_PTR;
static void init_generic_timer(void)
{
const u32 freq = CONFIG_SYS_CLK_FREQ;
/* Update memory mapped and register based freqency */
asm volatile ("msr cntfrq_el0, %0" :: "r" (freq));
writel(freq, CNTFID0);
/* Enable counter */
setbits_le32(CNTCR_BASE, CNTCR_EN);
}
static void init_gic_v3(void)
{
/* GIC v3 power on */
writel(BIT(1), GICR_LPI_PWRR);
/* Wait till the WAKER_CA_BIT changes to 0 */
clrbits_le32(GICR_LPI_WAKER, BIT(1));
while (readl(GICR_LPI_WAKER) & BIT(2))
;
writel(0xffffffff, GICR_SGI_BASE + GICR_IGROUPR0);
}
void s_init(void)
{
if (current_el() == 3)
init_generic_timer();
}
int board_early_init_f(void)
{
/* Unlock CPG access */
writel(0x5A5AFFFF, CPGWPR);
writel(0xA5A50000, CPGWPCR);
return 0;
}
int board_init(void)
{
if (current_el() == 3)
init_gic_v3();
return 0;
}

2
board/renesas/whitehawk/Makefile
View File

@@ -6,4 +6,4 @@
# SPDX-License-Identifier: GPL-2.0+
#
obj-y := whitehawk.o ../rcar-common/common.o
obj-y := ../rcar-common/gen4-common.o ../rcar-common/common.o

66
board/renesas/whitehawk/whitehawk.c
View File

@@ -1,66 +0,0 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* board/renesas/whitehawk/whitehawk.c
* This file is White Hawk board support.
*
* Copyright (C) 2021 Renesas Electronics Corp.
*/
#include <asm/arch/renesas.h>
#include <asm/arch/sys_proto.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <asm/mach-types.h>
#include <asm/processor.h>
#include <linux/errno.h>
#include <asm/system.h>
DECLARE_GLOBAL_DATA_PTR;
static void init_generic_timer(void)
{
const u32 freq = CONFIG_SYS_CLK_FREQ;
/* Update memory mapped and register based freqency */
asm volatile ("msr cntfrq_el0, %0" :: "r" (freq));
writel(freq, CNTFID0);
/* Enable counter */
setbits_le32(CNTCR_BASE, CNTCR_EN);
}
static void init_gic_v3(void)
{
/* GIC v3 power on */
writel(BIT(1), GICR_LPI_PWRR);
/* Wait till the WAKER_CA_BIT changes to 0 */
clrbits_le32(GICR_LPI_WAKER, BIT(1));
while (readl(GICR_LPI_WAKER) & BIT(2))
;
writel(0xffffffff, GICR_SGI_BASE + GICR_IGROUPR0);
}
void s_init(void)
{
if (current_el() == 3)
init_generic_timer();
}
int board_early_init_f(void)
{
/* Unlock CPG access */
writel(0x5A5AFFFF, CPGWPR);
writel(0xA5A50000, CPGWPCR);
return 0;
}
int board_init(void)
{
if (current_el() == 3)
init_gic_v3();
return 0;
}