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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/renesas/salvator-x/salvator-x.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/renesas/salvator-x/salvator-x.c')
-rw-r--r--roms/u-boot/board/renesas/salvator-x/salvator-x.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/roms/u-boot/board/renesas/salvator-x/salvator-x.c b/roms/u-boot/board/renesas/salvator-x/salvator-x.c
new file mode 100644
index 000000000..071076a33
--- /dev/null
+++ b/roms/u-boot/board/renesas/salvator-x/salvator-x.c
@@ -0,0 +1,109 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * board/renesas/salvator-x/salvator-x.c
+ * This file is Salvator-X/Salvator-XS board support.
+ *
+ * Copyright (C) 2015-2017 Renesas Electronics Corporation
+ * Copyright (C) 2015 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ */
+
+#include <common.h>
+#include <cpu_func.h>
+#include <image.h>
+#include <init.h>
+#include <malloc.h>
+#include <netdev.h>
+#include <dm.h>
+#include <asm/global_data.h>
+#include <dm/platform_data/serial_sh.h>
+#include <asm/processor.h>
+#include <asm/mach-types.h>
+#include <asm/io.h>
+#include <linux/bitops.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 DVFS_MSTP926 BIT(26)
+#define HSUSB_MSTP704 BIT(4) /* HSUSB */
+
+int board_early_init_f(void)
+{
+#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
+ /* DVFS for reset */
+ mstp_clrbits_le32(SMSTPCR9, SMSTPCR9, DVFS_MSTP926);
+#endif
+ return 0;
+}
+
+/* HSUSB block registers */
+#define HSUSB_REG_LPSTS 0xE6590102
+#define HSUSB_REG_LPSTS_SUSPM_NORMAL BIT(14)
+#define HSUSB_REG_UGCTRL2 0xE6590184
+#define HSUSB_REG_UGCTRL2_USB0SEL 0x30
+#define HSUSB_REG_UGCTRL2_USB0SEL_EHCI 0x10
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
+
+ /* USB1 pull-up */
+ setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);
+
+ /* Configure the HSUSB block */
+ mstp_clrbits_le32(SMSTPCR7, SMSTPCR7, HSUSB_MSTP704);
+ /* Choice USB0SEL */
+ clrsetbits_le32(HSUSB_REG_UGCTRL2, HSUSB_REG_UGCTRL2_USB0SEL,
+ HSUSB_REG_UGCTRL2_USB0SEL_EHCI);
+ /* low power status */
+ setbits_le16(HSUSB_REG_LPSTS, HSUSB_REG_LPSTS_SUSPM_NORMAL);
+
+ 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_CODE 0xA5A5000F
+
+void reset_cpu(void)
+{
+#if defined(CONFIG_SYS_I2C) && defined(CONFIG_SYS_I2C_SH)
+ i2c_reg_write(CONFIG_SYS_I2C_POWERIC_ADDR, 0x20, 0x80);
+#else
+ /* only CA57 ? */
+ writel(RST_CODE, RST_CA57RESCNT);
+#endif
+}
+
+#ifdef CONFIG_MULTI_DTB_FIT
+int board_fit_config_name_match(const char *name)
+{
+ /* PRR driver is not available yet */
+ u32 cpu_type = rmobile_get_cpu_type();
+
+ if ((cpu_type == RMOBILE_CPU_TYPE_R8A7795) &&
+ !strcmp(name, "r8a77950-salvator-x-u-boot"))
+ return 0;
+
+ if ((cpu_type == RMOBILE_CPU_TYPE_R8A7796) &&
+ !strcmp(name, "r8a77960-salvator-x-u-boot"))
+ return 0;
+
+ if ((cpu_type == RMOBILE_CPU_TYPE_R8A77965) &&
+ !strcmp(name, "r8a77965-salvator-x-u-boot"))
+ return 0;
+
+ return -1;
+}
+#endif