diff options
author | Marek Vasut <marek.vasut+renesas@gmail.com> | 2017-10-09 21:08:10 +0200 |
---|---|---|
committer | Marek Vasut <marex@denx.de> | 2017-12-09 13:36:27 +0100 |
commit | d21f08ba818138ed3f81ab755021bdae28c17690 (patch) | |
tree | 1f408f844066544019a3174161c175892d433948 /board/renesas | |
parent | 9e4a63736e50e99134e04321e7e6bdd2e5d7d694 (diff) |
ARM: rmobile: Add R8A77970 V3M Eagle board
Add bits to support yet another board, the R8A77970 V3M Eagle.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'board/renesas')
-rw-r--r-- | board/renesas/eagle/Kconfig | 15 | ||||
-rw-r--r-- | board/renesas/eagle/MAINTAINERS | 6 | ||||
-rw-r--r-- | board/renesas/eagle/Makefile | 9 | ||||
-rw-r--r-- | board/renesas/eagle/eagle.c | 110 |
4 files changed, 140 insertions, 0 deletions
diff --git a/board/renesas/eagle/Kconfig b/board/renesas/eagle/Kconfig new file mode 100644 index 0000000000..1e0710e73e --- /dev/null +++ b/board/renesas/eagle/Kconfig @@ -0,0 +1,15 @@ +if TARGET_EAGLE + +config SYS_SOC + default "rmobile" + +config SYS_BOARD + default "eagle" + +config SYS_VENDOR + default "renesas" + +config SYS_CONFIG_NAME + default "eagle" + +endif diff --git a/board/renesas/eagle/MAINTAINERS b/board/renesas/eagle/MAINTAINERS new file mode 100644 index 0000000000..f387c13616 --- /dev/null +++ b/board/renesas/eagle/MAINTAINERS @@ -0,0 +1,6 @@ +EAGLE BOARD +M: Marek Vasut <marek.vasut+renesas@gmail.com> +S: Maintained +F: board/renesas/eagle/ +F: include/configs/eagle.h +F: configs/r8a77970_eagle_defconfig diff --git a/board/renesas/eagle/Makefile b/board/renesas/eagle/Makefile new file mode 100644 index 0000000000..dffa295404 --- /dev/null +++ b/board/renesas/eagle/Makefile @@ -0,0 +1,9 @@ +# +# board/renesas/eagle/Makefile +# +# Copyright (C) 2015 Renesas Electronics Corporation +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := eagle.o diff --git a/board/renesas/eagle/eagle.c b/board/renesas/eagle/eagle.c new file mode 100644 index 0000000000..6b918f42a1 --- /dev/null +++ b/board/renesas/eagle/eagle.c @@ -0,0 +1,110 @@ +/* + * board/renesas/eagle/eagle.c + * This file is Eagle board support. + * + * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <malloc.h> +#include <netdev.h> +#include <dm.h> +#include <dm/platform_data/serial_sh.h> +#include <asm/processor.h> +#include <asm/mach-types.h> +#include <asm/io.h> +#include <linux/errno.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/arch/gpio.h> +#include <asm/arch/rmobile.h> +#include <asm/arch/rcar-mstp.h> +#include <asm/arch/sh_sdhi.h> +#include <i2c.h> +#include <mmc.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define CPGWPCR 0xE6150904 +#define CPGWPR 0xE615090C + +/* PLL */ +#define PLL0CR 0xE61500D8 +#define PLL0_STC_MASK 0x7F000000 +#define PLL0_STC_OFFSET 24 + +#define CLK2MHZ(clk) (clk / 1000 / 1000) +void s_init(void) +{ + struct rcar_rwdt *rwdt = (struct rcar_rwdt *)RWDT_BASE; + struct rcar_swdt *swdt = (struct rcar_swdt *)SWDT_BASE; + u32 stc; + + /* Watchdog init */ + writel(0xA5A5A500, &rwdt->rwtcsra); + writel(0xA5A5A500, &swdt->swtcsra); + + /* CPU frequency setting. Set to 0.8GHz */ + stc = ((800 / CLK2MHZ(CONFIG_SYS_CLK_FREQ)) - 1) << PLL0_STC_OFFSET; + clrsetbits_le32(PLL0CR, PLL0_STC_MASK, stc); +} + +#define TMU0_MSTP125 BIT(25) /* secure */ + +int board_early_init_f(void) +{ + writel(0xA5A5FFFF, CPGWPCR); + writel(0x5A5A0000, CPGWPR); + + /* TMU0 */ + mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125); + + return 0; +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000; + + return 0; +} + +int dram_init(void) +{ + if (fdtdec_setup_memory_size() != 0) + return -EINVAL; + + return 0; +} + +int dram_init_banksize(void) +{ + fdtdec_setup_memory_banksize(); + + return 0; +} + +#define RST_BASE 0xE6160000 +#define RST_CA57RESCNT (RST_BASE + 0x40) +#define RST_CA53RESCNT (RST_BASE + 0x44) +#define RST_RSTOUTCR (RST_BASE + 0x58) +#define RST_CA57_CODE 0xA5A5000F +#define RST_CA53_CODE 0x5A5A000F + +void reset_cpu(ulong addr) +{ + unsigned long midr, cputype; + + asm volatile("mrs %0, midr_el1" : "=r" (midr)); + cputype = (midr >> 4) & 0xfff; + + if (cputype == 0xd03) + writel(RST_CA53_CODE, RST_CA53RESCNT); + else if (cputype == 0xd07) + writel(RST_CA57_CODE, RST_CA57RESCNT); + else + hang(); +} |