arm: rmobile: Add support lager board

The lager board has R8A7790, 4GB DDR3-SDRAM, USB, Ethernet, and more.

This patch supports the following functions:
 - DDR3-SDRAM
 - SCIF

Signed-off-by: Kouei Abe <kouei.abe.cp@renesas.com>
Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Ryo Kataoka <ryo.kataoka.wt@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
CC: Albert Aribaud <albert.u.boot@aribaud.net>

1 files changed, 287 insertions, 0 deletions

diff --git a/board/renesas/lager/lager.c b/board/renesas/lager/lager.c
new file mode 100644
index 00000000000..5c99fc9b58c
--- /dev/null
+++ b/board/renesas/lager/lager.c
@@ -0,0 +1,287 @@
+/*
+ * board/renesas/lager/lager.c
+ *     This file is lager board support.
+ *
+ * Copyright (C) 2013 Renesas Electronics Corporation
+ * Copyright (C) 2013 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <malloc.h>
+#include <netdev.h>
+#include <asm/processor.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <asm/errno.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/arch/rmobile.h>
+#include "qos.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define s_init_wait(cnt) \
+	({	\
+		u32 i = 0x10000 * cnt;	\
+		while (i > 0)	\
+			i--;	\
+	})
+
+#define dbpdrgd_check(bsc) \
+	({	\
+		while ((readl(&bsc->dbpdrgd) & 0x1) != 0x1)	\
+			;	\
+	})
+
+#if defined(CONFIG_NORFLASH)
+static void bsc_init(void)
+{
+	struct r8a7790_lbsc *lbsc = (struct r8a7790_lbsc *)LBSC_BASE;
+	struct r8a7790_dbsc3 *dbsc3_0 = (struct r8a7790_dbsc3 *)DBSC3_0_BASE;
+
+	/* LBSC */
+	writel(0x00000020, &lbsc->cs0ctrl);
+	writel(0x00000020, &lbsc->cs1ctrl);
+	writel(0x00002020, &lbsc->ecs0ctrl);
+	writel(0x00002020, &lbsc->ecs1ctrl);
+
+	writel(0x077F077F, &lbsc->cswcr0);
+	writel(0x077F077F, &lbsc->cswcr1);
+	writel(0x077F077F, &lbsc->ecswcr0);
+	writel(0x077F077F, &lbsc->ecswcr1);
+
+	/* DBSC3 */
+	s_init_wait(10);
+
+	writel(0x0000A55A, &dbsc3_0->dbpdlck);
+	writel(0x00000001, &dbsc3_0->dbpdrga);
+	writel(0x80000000, &dbsc3_0->dbpdrgd);
+	writel(0x00000004, &dbsc3_0->dbpdrga);
+	dbpdrgd_check(dbsc3_0);
+
+	writel(0x00000006, &dbsc3_0->dbpdrga);
+	writel(0x0001C000, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000023, &dbsc3_0->dbpdrga);
+	writel(0x00FD2480, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000010, &dbsc3_0->dbpdrga);
+	writel(0xF004649B, &dbsc3_0->dbpdrgd);
+
+	writel(0x0000000F, &dbsc3_0->dbpdrga);
+	writel(0x00181EE4, &dbsc3_0->dbpdrgd);
+
+	writel(0x0000000E, &dbsc3_0->dbpdrga);
+	writel(0x33C03812, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000003, &dbsc3_0->dbpdrga);
+	writel(0x0300C481, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000007, &dbsc3_0->dbkind);
+	writel(0x10030A02, &dbsc3_0->dbconf0);
+	writel(0x00000001, &dbsc3_0->dbphytype);
+	writel(0x00000000, &dbsc3_0->dbbl);
+	writel(0x0000000B, &dbsc3_0->dbtr0);
+	writel(0x00000008, &dbsc3_0->dbtr1);
+	writel(0x00000000, &dbsc3_0->dbtr2);
+	writel(0x0000000B, &dbsc3_0->dbtr3);
+	writel(0x000C000B, &dbsc3_0->dbtr4);
+	writel(0x00000027, &dbsc3_0->dbtr5);
+	writel(0x0000001C, &dbsc3_0->dbtr6);
+	writel(0x00000005, &dbsc3_0->dbtr7);
+	writel(0x00000018, &dbsc3_0->dbtr8);
+	writel(0x00000008, &dbsc3_0->dbtr9);
+	writel(0x0000000C, &dbsc3_0->dbtr10);
+	writel(0x00000009, &dbsc3_0->dbtr11);
+	writel(0x00000012, &dbsc3_0->dbtr12);
+	writel(0x000000D0, &dbsc3_0->dbtr13);
+	writel(0x00140005, &dbsc3_0->dbtr14);
+	writel(0x00050004, &dbsc3_0->dbtr15);
+	writel(0x70233005, &dbsc3_0->dbtr16);
+	writel(0x000C0000, &dbsc3_0->dbtr17);
+	writel(0x00000300, &dbsc3_0->dbtr18);
+	writel(0x00000040, &dbsc3_0->dbtr19);
+	writel(0x00000001, &dbsc3_0->dbrnk0);
+	writel(0x00020001, &dbsc3_0->dbadj0);
+	writel(0x20082008, &dbsc3_0->dbadj2);
+	writel(0x00020002, &dbsc3_0->dbwt0cnf0);
+	writel(0x0000000F, &dbsc3_0->dbwt0cnf4);
+
+	writel(0x00000015, &dbsc3_0->dbpdrga);
+	writel(0x00000D70, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000016, &dbsc3_0->dbpdrga);
+	writel(0x00000006, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000017, &dbsc3_0->dbpdrga);
+	writel(0x00000018, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000012, &dbsc3_0->dbpdrga);
+	writel(0x9D5CBB66, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000013, &dbsc3_0->dbpdrga);
+	writel(0x1A868300, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000023, &dbsc3_0->dbpdrga);
+	writel(0x00FDB6C0, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000014, &dbsc3_0->dbpdrga);
+	writel(0x300214D8, &dbsc3_0->dbpdrgd);
+
+	writel(0x0000001A, &dbsc3_0->dbpdrga);
+	writel(0x930035C7, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000060, &dbsc3_0->dbpdrga);
+	writel(0x330657B2, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000011, &dbsc3_0->dbpdrga);
+	writel(0x1000040B, &dbsc3_0->dbpdrgd);
+
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x00000001, &dbsc3_0->dbpdrga);
+	writel(0x00000071, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000004, &dbsc3_0->dbpdrga);
+	dbpdrgd_check(dbsc3_0);
+
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x2100FA00, &dbsc3_0->dbcmd);
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+	writel(0x0000FA00, &dbsc3_0->dbcmd);
+
+	writel(0x110000DB, &dbsc3_0->dbcmd);
+
+	writel(0x00000001, &dbsc3_0->dbpdrga);
+	writel(0x00000181, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000004, &dbsc3_0->dbpdrga);
+	dbpdrgd_check(dbsc3_0);
+
+	writel(0x00000001, &dbsc3_0->dbpdrga);
+	writel(0x0000FE01, &dbsc3_0->dbpdrgd);
+
+	writel(0x00000004, &dbsc3_0->dbpdrga);
+	dbpdrgd_check(dbsc3_0);
+
+	writel(0x00000000, &dbsc3_0->dbbs0cnt1);
+	writel(0x01004C20, &dbsc3_0->dbcalcnf);
+	writel(0x014000AA, &dbsc3_0->dbcaltr);
+	writel(0x00000140, &dbsc3_0->dbrfcnf0);
+	writel(0x00081860, &dbsc3_0->dbrfcnf1);
+	writel(0x00010000, &dbsc3_0->dbrfcnf2);
+	writel(0x00000001, &dbsc3_0->dbrfen);
+	writel(0x00000001, &dbsc3_0->dbacen);
+}
+#else
+#define bsc_init() do {} while (0)
+#endif /* CONFIG_NORFLASH */
+
+void s_init(void)
+{
+	struct r8a7790_rwdt *rwdt = (struct r8a7790_rwdt *)RWDT_BASE;
+	struct r8a7790_swdt *swdt = (struct r8a7790_swdt *)SWDT_BASE;
+
+	/* Watchdog init */
+	writel(0xA5A5A500, &rwdt->rwtcsra);
+	writel(0xA5A5A500, &swdt->swtcsra);
+
+	/* QoS(Quality-of-Service) Init */
+	qos_init();
+
+	/* BSC init */
+	bsc_init();
+}
+
+#define MSTPSR1	0xE6150038
+#define SMSTPCR1	0xE6150134
+#define TMU0_MSTP125	(1 << 25)
+
+#define MSTPSR7	0xE61501C4
+#define SMSTPCR7	0xE615014C
+#define SCIF0_MSTP721	(1 << 21)
+
+#define PMMR	0xE6060000
+#define GPSR4	0xE6060014
+#define IPSR14	0xE6060058
+
+#define	set_guard_reg(addr, mask, value)	\
+{ \
+	u32	val; \
+	val = (readl(addr) & ~(mask)) | (value);	\
+	writel(~val, PMMR);	\
+	writel(val, addr);	\
+}
+
+#define mstp_setbits(type, addr, saddr, set) \
+	out_##type((saddr), in_##type(addr) | (set))
+#define mstp_clrbits(type, addr, saddr, clear) \
+	out_##type((saddr), in_##type(addr) & ~(clear))
+#define mstp_setbits_le32(addr, saddr, set)	\
+		mstp_setbits(le32, addr, saddr, set)
+#define mstp_clrbits_le32(addr, saddr, clear)	\
+		mstp_clrbits(le32, addr, saddr, clear)
+
+int board_early_init_f(void)
+{
+	/* TMU0 */
+	mstp_clrbits_le32(MSTPSR1, SMSTPCR1, TMU0_MSTP125);
+
+#if defined(CONFIG_NORFLASH)
+	/* SCIF0 */
+	set_guard_reg(GPSR4, 0x34000000, 0x00000000);
+	set_guard_reg(IPSR14, 0x00000FC7, 0x00000481);
+	set_guard_reg(GPSR4,  0x00000000, 0x34000000);
+#endif
+
+	mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
+
+	return 0;
+}
+
+DECLARE_GLOBAL_DATA_PTR;
+int board_init(void)
+{
+	/* board id for linux */
+	gd->bd->bi_arch_number = MACH_TYPE_LAGER;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = LAGER_SDRAM_BASE + 0x100;
+
+	/* Init PFC controller */
+	r8a7790_pinmux_init();
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+
+	return 0;
+}
+
+const struct rmobile_sysinfo sysinfo = {
+	CONFIG_RMOBILE_BOARD_STRING
+};
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = LAGER_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = LAGER_SDRAM_SIZE;
+}
+
+int board_late_init(void)
+{
+	return 0;
+}
+
+void reset_cpu(ulong addr)
+{
+}