ARM: uniphier: drop DCC micro support card support

Historically (for compatibility with very old platforms), two
different types of micro support cards have been used with the
UniPhier SoC development boards.  It has been painful to maintain
both.  Having one of them is enough.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

11 files changed, 20 insertions, 293 deletions

diff --git a/arch/arm/mach-uniphier/Kconfig b/arch/arm/mach-uniphier/Kconfig
index 7b49ad3..28d574f 100644
--- a/arch/arm/mach-uniphier/Kconfig
+++ b/arch/arm/mach-uniphier/Kconfig
@@ -26,29 +26,14 @@ config MACH_PH1_SLD8
 
 endchoice
 
-choice
-	prompt "UniPhier Support Card select"
-	optional
-
-config PFC_MICRO_SUPPORT_CARD
-	bool "Support card with PFC CPLD"
-	help
-	  This option provides support for the expansion board with PFC
-	  original address mapping.
-
-	  Say Y to use the on-board UART, Ether, LED devices.
-
-config DCC_MICRO_SUPPORT_CARD
-	bool "Support card with DCC CPLD"
+config MICRO_SUPPORT_CARD
+	bool "Use Micro Support Card"
 	help
-	  This option provides support for the expansion board with DCC-
-	  arranged address mapping that is compatible with legacy UniPhier
-	  reference boards.
+	  This option provides support for the expansion board, available
+	  on some UniPhier reference boards.
 
 	  Say Y to use the on-board UART, Ether, LED devices.
 
-endchoice
-
 config CMD_PINMON
 	bool "Enable boot mode pins monitor command"
 	default y
diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile
index 103db6d..5f17557 100644
--- a/arch/arm/mach-uniphier/Makefile
+++ b/arch/arm/mach-uniphier/Makefile
@@ -29,8 +29,7 @@ endif
 
 obj-y += timer.o
 
-obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += support_card.o
-obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += support_card.o
+obj-$(CONFIG_MICRO_SUPPORT_CARD) += support_card.o
 
 obj-$(CONFIG_MACH_PH1_SLD3)	+= ph1-sld3/
 obj-$(CONFIG_MACH_PH1_LD4)	+= ph1-ld4/
diff --git a/arch/arm/mach-uniphier/include/mach/board.h b/arch/arm/mach-uniphier/include/mach/board.h
index e3cba5b..c039d80 100644
--- a/arch/arm/mach-uniphier/include/mach/board.h
+++ b/arch/arm/mach-uniphier/include/mach/board.h
@@ -1,6 +1,5 @@
 /*
- * Copyright (C) 2012-2014 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ * Copyright (C) 2012-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -8,8 +7,7 @@
 #ifndef ARCH_BOARD_H
 #define ARCH_BOARD_H
 
-#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD) || \
-	defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
+#if defined(CONFIG_MICRO_SUPPORT_CARD)
 void support_card_reset(void);
 void support_card_init(void);
 void support_card_late_init(void);
diff --git a/arch/arm/mach-uniphier/ph1-ld4/Makefile b/arch/arm/mach-uniphier/ph1-ld4/Makefile
index 0c198c6..4a2c944 100644
--- a/arch/arm/mach-uniphier/ph1-ld4/Makefile
+++ b/arch/arm/mach-uniphier/ph1-ld4/Makefile
@@ -6,8 +6,7 @@ ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
 obj-y += bcu_init.o pll_init.o early_clkrst_init.o \
 	pll_spectrum.o umc_init.o ddrphy_init.o
-obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += sbc_init.o
-obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
+obj-$(CONFIG_MICRO_SUPPORT_CARD) += sbc_init.o
 else
 obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o
 endif
diff --git a/arch/arm/mach-uniphier/ph1-ld4/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-ld4/sbc_init_3cs.c
deleted file mode 100644
index 5b5958b..0000000
--- a/arch/arm/mach-uniphier/ph1-ld4/sbc_init_3cs.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/io.h>
-#include <mach/sbc-regs.h>
-#include <mach/sg-regs.h>
-
-void sbc_init(void)
-{
-	u32 tmp;
-
-	/* system bus output enable */
-	tmp = readl(PC0CTRL);
-	tmp &= 0xfffffcff;
-	writel(tmp, PC0CTRL);
-
-	/* XECS1: sub/boot memory (boot swap = off/on) */
-	writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL10);
-	writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL11);
-	writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL12);
-	writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL14);
-
-	/* XECS0: boot/sub memory (boot swap = off/on) */
-	writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL00);
-	writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL01);
-	writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL02);
-	writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL04);
-
-	/* XECS3: peripherals */
-	writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL30);
-	writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL31);
-	writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL32);
-	writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL34);
-
-	/* base address regsiters */
-	writel(0x0000bc01, SBBASE0);
-	writel(0x0400bc01, SBBASE1);
-	writel(0x0800bf01, SBBASE3);
-
-	/* enable access to sub memory when boot swap is on */
-	if (boot_is_swapped())
-		sg_set_pinsel(155, 1); /* PORT24 -> XECS0 */
-
-	sg_set_pinsel(156, 1); /* PORT25 -> XECS3 */
-}
diff --git a/arch/arm/mach-uniphier/ph1-pro4/Makefile b/arch/arm/mach-uniphier/ph1-pro4/Makefile
index afd9235..a52b5aa 100644
--- a/arch/arm/mach-uniphier/ph1-pro4/Makefile
+++ b/arch/arm/mach-uniphier/ph1-pro4/Makefile
@@ -6,8 +6,7 @@ ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
 obj-y += pll_init.o early_clkrst_init.o \
 	pll_spectrum.o umc_init.o ddrphy_init.o
-obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += sbc_init.o
-obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
+obj-$(CONFIG_MICRO_SUPPORT_CARD) += sbc_init.o
 else
 obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o
 endif
diff --git a/arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c
deleted file mode 100644
index 877ba79..0000000
--- a/arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/io.h>
-#include <mach/sbc-regs.h>
-#include <mach/sg-regs.h>
-
-void sbc_init(void)
-{
-	/* XECS0: boot/sub memory (boot swap = off/on) */
-	writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL00);
-	writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL01);
-	writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL02);
-	writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL04);
-
-	/* XECS1: sub/boot memory (boot swap = off/on) */
-	writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL10);
-	writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL11);
-	writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL12);
-	writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL14);
-
-	/* XECS3: peripherals */
-	writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL30);
-	writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL31);
-	writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL32);
-	writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL34);
-
-	writel(0x0000bc01, SBBASE0); /* boot memory */
-	writel(0x0400bc01, SBBASE1); /* sub memory */
-	writel(0x0800bf01, SBBASE3); /* peripherals */
-
-	/* enable access to sub memory when boot swap is on */
-	if (boot_is_swapped())
-		sg_set_pinsel(318, 5); /* PORT22 -> XECS0 */
-
-	sg_set_pinsel(313, 5); /* PORT15 -> XECS3 */
-	writel(0x00000001, SG_LOADPINCTRL);
-}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/Makefile b/arch/arm/mach-uniphier/ph1-sld3/Makefile
index aff5d64..e3cb39f 100644
--- a/arch/arm/mach-uniphier/ph1-sld3/Makefile
+++ b/arch/arm/mach-uniphier/ph1-sld3/Makefile
@@ -6,8 +6,7 @@ ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_DEBUG_LL) += lowlevel_debug.o
 obj-y += bcu_init.o memconf.o sg_init.o pll_init.o early_clkrst_init.o \
 	early_pinctrl.o pll_spectrum.o umc_init.o
-obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += sbc_init.o
-obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += sbc_init_3cs.o
+obj-$(CONFIG_MICRO_SUPPORT_CARD) += sbc_init.o
 else
 obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o
 endif
diff --git a/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c
deleted file mode 100644
index f5e2446..0000000
--- a/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/io.h>
-#include <mach/sbc-regs.h>
-#include <mach/sg-regs.h>
-
-void sbc_init(void)
-{
-	/* only address/data multiplex mode is supported */
-
-	/* XECS0 : boot/sub memory (boot swap = off/on) */
-	writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL00);
-	writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL01);
-	writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL02);
-
-	/* XECS1 : sub/boot memory (boot swap = off/on) */
-	writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10);
-	writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11);
-	writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12);
-
-	/* XECS2 : peripherals */
-	writel(SBCTRL0_ADMULTIPLX_PERI_VALUE, SBCTRL20);
-	writel(SBCTRL1_ADMULTIPLX_PERI_VALUE, SBCTRL21);
-	writel(SBCTRL2_ADMULTIPLX_PERI_VALUE, SBCTRL22);
-
-	/* base address regsiters */
-	writel(0x0000bc01, SBBASE0);
-	writel(0x0400bc01, SBBASE1);
-	writel(0x0800bf01, SBBASE2);
-
-	sg_set_pinsel(99, 1);	/* GPIO26 -> EA24 */
-}
diff --git a/arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c
deleted file mode 100644
index c2267c7..0000000
--- a/arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/io.h>
-#include <mach/sbc-regs.h>
-#include <mach/sg-regs.h>
-
-void sbc_init(void)
-{
-	u32 tmp;
-
-	/* system bus output enable */
-	tmp = readl(PC0CTRL);
-	tmp &= 0xfffffcff;
-	writel(tmp, PC0CTRL);
-
-	/*
-	 * SBCTRL0* does not need settings because PH1-sLD8 has no support for
-	 * XECS0.  The boot swap must be enabled to boot from the support card.
-	 */
-
-	if (boot_is_swapped()) {
-		/* XECS1 : boot memory if boot swap is on */
-		writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL10);
-		writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL11);
-		writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL12);
-		writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL14);
-	}
-
-	/* XECS4 : sub memory */
-	writel(SBCTRL0_SAVEPIN_MEM_VALUE, SBCTRL40);
-	writel(SBCTRL1_SAVEPIN_MEM_VALUE, SBCTRL41);
-	writel(SBCTRL2_SAVEPIN_MEM_VALUE, SBCTRL42);
-	writel(SBCTRL4_SAVEPIN_MEM_VALUE, SBCTRL44);
-
-	/* XECS5 : peripherals */
-	writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL50);
-	writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL51);
-	writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL52);
-	writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL54);
-
-	/* base address regsiters */
-	writel(0x0000bc01, SBBASE0); /* boot memory */
-	writel(0x0900bfff, SBBASE1); /* dummy */
-	writel(0x0400bc01, SBBASE4); /* sub memory */
-	writel(0x0800bf01, SBBASE5); /* peripherals */
-
-	sg_set_pinsel(134, 16); /* XIRQ6 -> XECS4 */
-	sg_set_pinsel(135, 16); /* XIRQ7 -> XECS5 */
-
-	/* dummy read to assure write process */
-	readl(SG_PINCTRL(0));
-}
diff --git a/arch/arm/mach-uniphier/support_card.c b/arch/arm/mach-uniphier/support_card.c
index ea85b20..4ca6ffe 100644
--- a/arch/arm/mach-uniphier/support_card.c
+++ b/arch/arm/mach-uniphier/support_card.c
@@ -8,11 +8,9 @@
 #include <linux/io.h>
 #include <mach/board.h>
 
-#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD)
-
-#define PFC_MICRO_SUPPORT_CARD_RESET	\
+#define MICRO_SUPPORT_CARD_RESET	\
 				((CONFIG_SUPPORT_CARD_BASE) + 0x000D0034)
-#define PFC_MICRO_SUPPORT_CARD_REVISION	\
+#define MICRO_SUPPORT_CARD_REVISION	\
 				((CONFIG_SUPPORT_CARD_BASE) + 0x000D00E0)
 /*
  * 0: reset deassert, 1: reset
@@ -22,65 +20,22 @@
  */
 void support_card_reset_deassert(void)
 {
-	writel(0, PFC_MICRO_SUPPORT_CARD_RESET);
+	writel(0, MICRO_SUPPORT_CARD_RESET);
 }
 
 void support_card_reset(void)
 {
-	writel(3, PFC_MICRO_SUPPORT_CARD_RESET);
+	writel(3, MICRO_SUPPORT_CARD_RESET);
 }
 
 static int support_card_show_revision(void)
 {
 	u32 revision;
 
-	revision = readl(PFC_MICRO_SUPPORT_CARD_REVISION);
-	printf("(PFC CPLD version %d.%d)\n", revision >> 4, revision & 0xf);
+	revision = readl(MICRO_SUPPORT_CARD_REVISION);
+	printf("(CPLD version %d.%d)\n", revision >> 4, revision & 0xf);
 	return 0;
 }
-#endif
-
-#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
-
-#define DCC_MICRO_SUPPORT_CARD_RESET_LAN	\
-				((CONFIG_SUPPORT_CARD_BASE) + 0x00401300)
-#define DCC_MICRO_SUPPORT_CARD_RESET_UART	\
-				((CONFIG_SUPPORT_CARD_BASE) + 0x00401304)
-#define DCC_MICRO_SUPPORT_CARD_RESET_I2C	\
-				((CONFIG_SUPPORT_CARD_BASE) + 0x00401308)
-#define DCC_MICRO_SUPPORT_CARD_REVISION		\
-				((CONFIG_SUPPORT_CARD_BASE) + 0x005000E0)
-
-void support_card_reset_deassert(void)
-{
-	writel(1, DCC_MICRO_SUPPORT_CARD_RESET_LAN); /* LAN and LED */
-	writel(1, DCC_MICRO_SUPPORT_CARD_RESET_UART); /* UART */
-	writel(1, DCC_MICRO_SUPPORT_CARD_RESET_I2C); /* I2C */
-}
-
-void support_card_reset(void)
-{
-	writel(0, DCC_MICRO_SUPPORT_CARD_RESET_LAN); /* LAN and LED */
-	writel(0, DCC_MICRO_SUPPORT_CARD_RESET_UART); /* UART */
-	writel(0, DCC_MICRO_SUPPORT_CARD_RESET_I2C); /* I2C */
-}
-
-static int support_card_show_revision(void)
-{
-	u32 revision;
-
-	revision = readl(DCC_MICRO_SUPPORT_CARD_REVISION);
-
-	if (revision >= 0x67) {
-		printf("(DCC CPLD version 3.%d.%d)\n",
-		       revision >> 4, revision & 0xf);
-		return 0;
-	} else {
-		printf("(DCC CPLD unknown version)\n");
-		return -1;
-	}
-}
-#endif
 
 int check_support_card(void)
 {
@@ -146,28 +101,11 @@ static int mem_is_flash(const struct memory_bank *mem)
 	return ret;
 }
 
-#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD)
-	/* {address, size} */
-static const struct memory_bank memory_banks_boot_swap_off[] = {
+/* {address, size} */
+static const struct memory_bank memory_banks[] = {
 	{0x02000000, 0x01f00000},
 };
 
-static const struct memory_bank memory_banks_boot_swap_on[] = {
-	{0x00000000, 0x01f00000},
-};
-#endif
-
-#if defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
-static const struct memory_bank memory_banks_boot_swap_off[] = {
-	{0x04000000, 0x02000000},
-};
-
-static const struct memory_bank memory_banks_boot_swap_on[] = {
-	{0x00000000, 0x02000000},
-	{0x04000000, 0x02000000},
-};
-#endif
-
 static const struct memory_bank
 *flash_banks_list[CONFIG_SYS_MAX_FLASH_BANKS_DETECT];
 
@@ -187,13 +125,8 @@ static void detect_num_flash_banks(void)
 
 	cfi_flash_num_flash_banks = 0;
 
-	if (boot_is_swapped()) {
-		memory_bank = memory_banks_boot_swap_on;
-		end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_on);
-	} else {
-		memory_bank = memory_banks_boot_swap_off;
-		end = memory_bank + ARRAY_SIZE(memory_banks_boot_swap_off);
-	}
+	memory_bank = memory_banks;
+	end = memory_bank + ARRAY_SIZE(memory_banks);
 
 	for (; memory_bank < end; memory_bank++) {
 		if (cfi_flash_num_flash_banks >=