From 81afa9c9a3a9c006a6555e4abf7a75875eb3e926 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Mon, 15 May 2017 14:26:33 +0900
Subject: [PATCH] ARM: uniphier: add more init code for PXs3
Add the boot device table and reset deassertion for eMMC.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
arch/arm/mach-uniphier/board_init.c | 1 +
arch/arm/mach-uniphier/boot-device/Makefile | 1 +
.../boot-device/boot-device-pxs3.c | 41 +++++++++++++++++++
.../mach-uniphier/boot-device/boot-device.c | 10 +++++
.../mach-uniphier/boot-device/boot-device.h | 3 ++
arch/arm/mach-uniphier/clk/Makefile | 2 +-
arch/arm/mach-uniphier/clk/clk-pxs3.c | 17 ++++++++
arch/arm/mach-uniphier/init.h | 1 +
arch/arm/mach-uniphier/sg-regs.h | 1 +
9 files changed, 76 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-uniphier/boot-device/boot-device-pxs3.c
create mode 100644 arch/arm/mach-uniphier/clk/clk-pxs3.c
diff --git a/arch/arm/mach-uniphier/board_init.c b/arch/arm/mach-uniphier/board_init.c
index 2564a02a62..e05d6bffd5 100644
--- a/arch/arm/mach-uniphier/board_init.c
+++ b/arch/arm/mach-uniphier/board_init.c
@@ -175,6 +175,7 @@ static const struct uniphier_initdata uniphier_initdata[] = {
.nand_2cs = false,
.sbc_init = uniphier_pxs2_sbc_init,
.pll_init = uniphier_pxs3_pll_init,
+ .clk_init = uniphier_pxs3_clk_init,
},
#endif
};
diff --git a/arch/arm/mach-uniphier/boot-device/Makefile b/arch/arm/mach-uniphier/boot-device/Makefile
index a54d2acb10..abb58a729a 100644
--- a/arch/arm/mach-uniphier/boot-device/Makefile
+++ b/arch/arm/mach-uniphier/boot-device/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += boot-device-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += boot-device-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD11) += boot-device-ld11.o
obj-$(CONFIG_ARCH_UNIPHIER_LD20) += boot-device-ld11.o
+obj-$(CONFIG_ARCH_UNIPHIER_PXS3) += boot-device-pxs3.o
ifdef CONFIG_SPL_BUILD
obj-$(CONFIG_SPL_BOARD_LOAD_IMAGE) += spl_board.o
diff --git a/arch/arm/mach-uniphier/boot-device/boot-device-pxs3.c b/arch/arm/mach-uniphier/boot-device/boot-device-pxs3.c
new file mode 100644
index 0000000000..fe45a01cc2
--- /dev/null
+++ b/arch/arm/mach-uniphier/boot-device/boot-device-pxs3.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2017 Socionext Inc.
+ * Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+
+#include "../sg-regs.h"
+#include "boot-device.h"
+
+const struct uniphier_boot_device uniphier_pxs3_boot_device_table[] = {
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 5)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training Off)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 4bit, 1.8V, Training On)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 8bit, 1.8V, Training Off)"},
+ {BOOT_DEVICE_MMC1, "eMMC (Legacy, 8bit, 1.8V, Training On)"},
+ {BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training Off)"},
+ {BOOT_DEVICE_MMC1, "eMMC (High Speed SDR, 8bit, 1.8V, Training On)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 5, BBM Last Page)"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 5, BBM Last Page)"},
+};
+
+const unsigned uniphier_pxs3_boot_device_count =
+ ARRAY_SIZE(uniphier_pxs3_boot_device_table);
+
+int uniphier_pxs3_boot_device_is_usb(u32 pinmon)
+{
+ return !!(readl(SG_PINMON2) & BIT(31));
+}
diff --git a/arch/arm/mach-uniphier/boot-device/boot-device.c b/arch/arm/mach-uniphier/boot-device/boot-device.c
index 00809777b2..094f77b4d1 100644
--- a/arch/arm/mach-uniphier/boot-device/boot-device.c
+++ b/arch/arm/mach-uniphier/boot-device/boot-device.c
@@ -115,6 +115,16 @@ static const struct uniphier_boot_device_info uniphier_boot_device_info[] = {
.have_internal_stm = 1,
},
#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PXS3)
+ {
+ .soc_id = UNIPHIER_PXS3_ID,
+ .boot_device_sel_shift = 1,
+ .boot_device_table = uniphier_pxs3_boot_device_table,
+ .boot_device_count = &uniphier_pxs3_boot_device_count,
+ .boot_device_is_usb = uniphier_pxs3_boot_device_is_usb,
+ .have_internal_stm = 0,
+ },
+#endif
};
UNIPHIER_DEFINE_SOCDATA_FUNC(uniphier_get_boot_device_info,
uniphier_boot_device_info)
diff --git a/arch/arm/mach-uniphier/boot-device/boot-device.h b/arch/arm/mach-uniphier/boot-device/boot-device.h
index f3fb2f32a8..c4ce3e50a3 100644
--- a/arch/arm/mach-uniphier/boot-device/boot-device.h
+++ b/arch/arm/mach-uniphier/boot-device/boot-device.h
@@ -18,16 +18,19 @@ extern const struct uniphier_boot_device uniphier_ld4_boot_device_table[];
extern const struct uniphier_boot_device uniphier_pro5_boot_device_table[];
extern const struct uniphier_boot_device uniphier_pxs2_boot_device_table[];
extern const struct uniphier_boot_device uniphier_ld11_boot_device_table[];
+extern const struct uniphier_boot_device uniphier_pxs3_boot_device_table[];
extern const unsigned int uniphier_sld3_boot_device_count;
extern const unsigned int uniphier_ld4_boot_device_count;
extern const unsigned int uniphier_pro5_boot_device_count;
extern const unsigned int uniphier_pxs2_boot_device_count;
extern const unsigned int uniphier_ld11_boot_device_count;
+extern const unsigned int uniphier_pxs3_boot_device_count;
int uniphier_pxs2_boot_device_is_usb(u32 pinmon);
int uniphier_ld11_boot_device_is_usb(u32 pinmon);
int uniphier_ld20_boot_device_is_usb(u32 pinmon);
+int uniphier_pxs3_boot_device_is_usb(u32 pinmon);
unsigned int uniphier_pxs2_boot_device_fixup(unsigned int mode);
unsigned int uniphier_ld11_boot_device_fixup(unsigned int mode);
diff --git a/arch/arm/mach-uniphier/clk/Makefile b/arch/arm/mach-uniphier/clk/Makefile
index 41341970ec..dad035d03a 100644
--- a/arch/arm/mach-uniphier/clk/Makefile
+++ b/arch/arm/mach-uniphier/clk/Makefile
@@ -25,7 +25,7 @@ obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += clk-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += clk-pxs2.o
obj-$(CONFIG_ARCH_UNIPHIER_LD11) += clk-ld11.o pll-ld11.o
obj-$(CONFIG_ARCH_UNIPHIER_LD20) += clk-ld20.o pll-ld20.o
-obj-$(CONFIG_ARCH_UNIPHIER_PXS3) += pll-pxs3.o
+obj-$(CONFIG_ARCH_UNIPHIER_PXS3) += clk-pxs3.o pll-pxs3.o
endif
diff --git a/arch/arm/mach-uniphier/clk/clk-pxs3.c b/arch/arm/mach-uniphier/clk/clk-pxs3.c
new file mode 100644
index 0000000000..2dee857a18
--- /dev/null
+++ b/arch/arm/mach-uniphier/clk/clk-pxs3.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2017 Socionext Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/io.h>
+
+#include "../init.h"
+
+#define SDCTRL_EMMC_HW_RESET 0x59810280
+
+void uniphier_pxs3_clk_init(void)
+{
+ /* TODO: use "mmc-pwrseq-emmc" */
+ writel(1, SDCTRL_EMMC_HW_RESET);
+}
diff --git a/arch/arm/mach-uniphier/init.h b/arch/arm/mach-uniphier/init.h
index 4803d08038..d413d00f95 100644
--- a/arch/arm/mach-uniphier/init.h
+++ b/arch/arm/mach-uniphier/init.h
@@ -119,6 +119,7 @@ void uniphier_pro5_clk_init(void);
void uniphier_pxs2_clk_init(void);
void uniphier_ld11_clk_init(void);
void uniphier_ld20_clk_init(void);
+void uniphier_pxs3_clk_init(void);
unsigned int uniphier_boot_device_raw(void);
int uniphier_have_internal_stm(void);
diff --git a/arch/arm/mach-uniphier/sg-regs.h b/arch/arm/mach-uniphier/sg-regs.h
index dc94084c89..029da91f8f 100644
--- a/arch/arm/mach-uniphier/sg-regs.h
+++ b/arch/arm/mach-uniphier/sg-regs.h
@@ -70,6 +70,7 @@
/* Pin Monitor */
#define SG_PINMON0 (SG_DBG_BASE | 0x0100)
+#define SG_PINMON2 (SG_DBG_BASE | 0x0108)
#define SG_PINMON0_CLK_MODE_UPLLSRC_MASK (0x3 << 19)
#define SG_PINMON0_CLK_MODE_UPLLSRC_DEFAULT (0x0 << 19)
--
2.39.5