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>
diff --git a/board/renesas/eagle/eagle.c b/board/renesas/eagle/eagle.c
new file mode 100644
index 0000000..6b918f4
--- /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();
+}