ARM: UniPhier: add PH1-sLD3 SoC support
The init code for UMC (Unified Memory Controller) and PLL has not
been mainlined yet, but U-boot proper should work.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/mach-uniphier/Kconfig b/arch/arm/mach-uniphier/Kconfig
index feda49e..7b49ad3 100644
--- a/arch/arm/mach-uniphier/Kconfig
+++ b/arch/arm/mach-uniphier/Kconfig
@@ -10,13 +10,17 @@
prompt "UniPhier SoC select"
default MACH_PH1_PRO4
-config MACH_PH1_PRO4
- bool "PH1-Pro4"
+config MACH_PH1_SLD3
+ bool "PH1-sLD3"
select UNIPHIER_SMP
config MACH_PH1_LD4
bool "PH1-LD4"
+config MACH_PH1_PRO4
+ bool "PH1-Pro4"
+ select UNIPHIER_SMP
+
config MACH_PH1_SLD8
bool "PH1-sLD8"
@@ -64,11 +68,11 @@
config DDR_FREQ_1600
bool "DDR3 1600"
- depends on MACH_PH1_PRO4 || MACH_PH1_LD4
+ depends on MACH_PH1_SLD3 || MACH_PH1_LD4 || MACH_PH1_PRO4
config DDR_FREQ_1333
bool "DDR3 1333"
- depends on MACH_PH1_LD4 || MACH_PH1_SLD8
+ depends on MACH_PH1_SLD3 || MACH_PH1_LD4 || MACH_PH1_SLD8
endchoice
diff --git a/arch/arm/mach-uniphier/Makefile b/arch/arm/mach-uniphier/Makefile
index 24591d6..103db6d 100644
--- a/arch/arm/mach-uniphier/Makefile
+++ b/arch/arm/mach-uniphier/Makefile
@@ -32,6 +32,7 @@
obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += support_card.o
obj-$(CONFIG_DCC_MICRO_SUPPORT_CARD) += support_card.o
-obj-$(CONFIG_MACH_PH1_LD4) += ph1-ld4/
-obj-$(CONFIG_MACH_PH1_PRO4) += ph1-pro4/
-obj-$(CONFIG_MACH_PH1_SLD8) += ph1-sld8/
+obj-$(CONFIG_MACH_PH1_SLD3) += ph1-sld3/
+obj-$(CONFIG_MACH_PH1_LD4) += ph1-ld4/
+obj-$(CONFIG_MACH_PH1_PRO4) += ph1-pro4/
+obj-$(CONFIG_MACH_PH1_SLD8) += ph1-sld8/
diff --git a/arch/arm/mach-uniphier/include/mach/sc-regs.h b/arch/arm/mach-uniphier/include/mach/sc-regs.h
index 20878e2..df50294 100644
--- a/arch/arm/mach-uniphier/include/mach/sc-regs.h
+++ b/arch/arm/mach-uniphier/include/mach/sc-regs.h
@@ -1,7 +1,7 @@
/*
* UniPhier SC (System Control) block registers
*
- * Copyright (C) 2011-2015 Panasonic Corporation
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
@@ -9,7 +9,11 @@
#ifndef ARCH_SC_REGS_H
#define ARCH_SC_REGS_H
+#if defined(CONFIG_MACH_PH1_SLD3)
+#define SC_BASE_ADDR 0xf1840000
+#else
#define SC_BASE_ADDR 0x61840000
+#endif
#define SC_DPLLCTRL (SC_BASE_ADDR | 0x1200)
#define SC_DPLLCTRL_SSC_EN (0x1 << 31)
diff --git a/arch/arm/mach-uniphier/include/mach/sg-regs.h b/arch/arm/mach-uniphier/include/mach/sg-regs.h
index a65f058..43a6c35 100644
--- a/arch/arm/mach-uniphier/include/mach/sg-regs.h
+++ b/arch/arm/mach-uniphier/include/mach/sg-regs.h
@@ -55,11 +55,12 @@
#if defined(CONFIG_MACH_PH1_PRO4)
# define SG_PINCTRL(n) (SG_PINCTRL_BASE + (n) * 8)
-#elif defined(CONFIG_MACH_PH1_LD4) || defined(CONFIG_MACH_PH1_SLD8)
+#elif defined(CONFIG_MACH_PH1_SLD3) || defined(CONFIG_MACH_PH1_LD4) || \
+ defined(CONFIG_MACH_PH1_SLD8)
# define SG_PINCTRL(n) (SG_PINCTRL_BASE + (n) * 4)
#endif
-#if defined(CONFIG_MACH_PH1_PRO4)
+#if defined(CONFIG_MACH_PH1_SLD3) || defined(CONFIG_MACH_PH1_PRO4)
#define SG_PINSELBITS 4
#elif defined(CONFIG_MACH_PH1_LD4) || defined(CONFIG_MACH_PH1_SLD8)
#define SG_PINSELBITS 8
diff --git a/arch/arm/mach-uniphier/ph1-sld3/Makefile b/arch/arm/mach-uniphier/ph1-sld3/Makefile
new file mode 100644
index 0000000..f3f7ad4
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/Makefile
@@ -0,0 +1,16 @@
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+ifdef CONFIG_SPL_BUILD
+obj-$(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-$(CONFIG_SPL_DM) += platdevice.o
+else
+obj-$(CONFIG_BOARD_EARLY_INIT_F) += pinctrl.o clkrst_init.o
+endif
+
+obj-y += boot-mode.o
diff --git a/arch/arm/mach-uniphier/ph1-sld3/bcu_init.c b/arch/arm/mach-uniphier/ph1-sld3/bcu_init.c
new file mode 100644
index 0000000..ccc6897
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/bcu_init.c
@@ -0,0 +1,36 @@
+/*
+ * 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/bcu-regs.h>
+
+#define ch(x) ((x) >= 32 ? 0 : (x) < 0 ? 0x11111111 : 0x11111111 << (x))
+
+void bcu_init(void)
+{
+ int shift;
+
+ writel(0x11111111, BCSCR2); /* 0x80000000-0x9fffffff: IPPC/IPPD-bus */
+ writel(0x11111111, BCSCR3); /* 0xa0000000-0xbfffffff: IPPC/IPPD-bus */
+ writel(0x11111111, BCSCR4); /* 0xc0000000-0xdfffffff: IPPC/IPPD-bus */
+ /*
+ * 0xe0000000-0xefffffff: Ex-bus
+ * 0xf0000000-0xfbffffff: ASM bus
+ * 0xfc000000-0xffffffff: OCM bus
+ */
+ writel(0x24440000, BCSCR5);
+
+ /* Specify DDR channel */
+ shift = (CONFIG_SDRAM1_BASE - CONFIG_SDRAM0_BASE) / 0x04000000 * 4;
+ writel(ch(shift), BCIPPCCHR2); /* 0x80000000-0x9fffffff */
+
+ shift -= 32;
+ writel(ch(shift), BCIPPCCHR3); /* 0xa0000000-0xbfffffff */
+
+ shift -= 32;
+ writel(ch(shift), BCIPPCCHR4); /* 0xc0000000-0xdfffffff */
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/boot-mode.c b/arch/arm/mach-uniphier/ph1-sld3/boot-mode.c
new file mode 100644
index 0000000..40000af
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/boot-mode.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <linux/io.h>
+#include <mach/boot-device.h>
+#include <mach/sg-regs.h>
+#include <mach/sbc-regs.h>
+
+struct boot_device_info boot_device_table[] = {
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "External Master"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_MMC1, "eMMC (3.3V, Boot Oparation)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_MMC1, "eMMC (1.8V, Boot Oparation)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_MMC1, "eMMC (3.3V, Normal)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_MMC1, "eMMC (1.8V, Normal)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 4, ECC 24, EraseSize 1MB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 128KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 256KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, EraseSize 512KB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 24, EraseSize 1MB, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 8, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 1, ECC 16, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 4, ECC 24, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 8, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 16, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NAND, "NAND (Mirror 8, ECC 24, ONFI, Addr 5)"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ {BOOT_DEVICE_NONE, "Reserved"},
+ { /* sentinel */ }
+};
+
+int get_boot_mode_sel(void)
+{
+ return readl(SG_PINMON0) & 0x3f;
+}
+
+u32 spl_boot_device(void)
+{
+ int boot_mode;
+
+ if (boot_is_swapped())
+ return BOOT_DEVICE_NOR;
+
+ boot_mode = get_boot_mode_sel();
+
+ return boot_device_table[boot_mode].type;
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/clkrst_init.c b/arch/arm/mach-uniphier/ph1-sld3/clkrst_init.c
new file mode 100644
index 0000000..3a3dab7
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/clkrst_init.c
@@ -0,0 +1 @@
+#include "../ph1-pro4/clkrst_init.c"
diff --git a/arch/arm/mach-uniphier/ph1-sld3/early_clkrst_init.c b/arch/arm/mach-uniphier/ph1-sld3/early_clkrst_init.c
new file mode 100644
index 0000000..d7ef16b
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/early_clkrst_init.c
@@ -0,0 +1 @@
+#include "../ph1-pro4/early_clkrst_init.c"
diff --git a/arch/arm/mach-uniphier/ph1-sld3/early_pinctrl.c b/arch/arm/mach-uniphier/ph1-sld3/early_pinctrl.c
new file mode 100644
index 0000000..f113e65
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/early_pinctrl.c
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <mach/sg-regs.h>
+
+void early_pin_init(void)
+{
+ /* Comment format: PAD Name -> Function Name */
+
+#ifdef CONFIG_UNIPHIER_SERIAL
+ sg_set_pinsel(63, 0); /* RXD0 */
+ sg_set_pinsel(64, 1); /* TXD0 */
+
+ sg_set_pinsel(65, 0); /* RXD1 */
+ sg_set_pinsel(66, 1); /* TXD1 */
+
+ sg_set_pinsel(96, 2); /* RXD2 */
+ sg_set_pinsel(102, 2); /* TXD2 */
+#endif
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/lowlevel_debug.S b/arch/arm/mach-uniphier/ph1-sld3/lowlevel_debug.S
new file mode 100644
index 0000000..9d1fd2c
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/lowlevel_debug.S
@@ -0,0 +1,31 @@
+/*
+ * On-chip UART initializaion for low-level debugging
+ *
+ * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+#include <mach/bcu-regs.h>
+#include <mach/sc-regs.h>
+#include <mach/sg-regs.h>
+#include <mach/debug-uart.S>
+
+ENTRY(setup_lowlevel_debug)
+ ldr r0, =BCSCR5
+ ldr r1, =0x24440000
+ str r1, [r0]
+
+ ldr r0, =SC_CLKCTRL
+ ldr r1, [r0]
+ orr r1, r1, #SC_CLKCTRL_CEN_PERI
+ str r1, [r0]
+
+ init_debug_uart r0, r1, r2
+
+ set_pinsel 63, 0, r0, r1
+ set_pinsel 64, 1, r0, r1
+
+ mov pc, lr
+ENDPROC(setup_lowlevel_debug)
diff --git a/arch/arm/mach-uniphier/ph1-sld3/memconf.c b/arch/arm/mach-uniphier/ph1-sld3/memconf.c
new file mode 100644
index 0000000..553a9e3
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/memconf.c
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <linux/types.h>
+#include <linux/sizes.h>
+#include <mach/sg-regs.h>
+
+static inline u32 sg_memconf_val_ch2(unsigned long size, int num)
+{
+ int size_mb = size / num;
+ u32 ret;
+
+ switch (size_mb) {
+ case SZ_64M:
+ ret = SG_MEMCONF_CH2_SZ_64M;
+ break;
+ case SZ_128M:
+ ret = SG_MEMCONF_CH2_SZ_128M;
+ break;
+ case SZ_256M:
+ ret = SG_MEMCONF_CH2_SZ_256M;
+ break;
+ case SZ_512M:
+ ret = SG_MEMCONF_CH2_SZ_512M;
+ break;
+ default:
+ BUG();
+ break;
+ }
+
+ switch (num) {
+ case 1:
+ ret |= SG_MEMCONF_CH2_NUM_1;
+ break;
+ case 2:
+ ret |= SG_MEMCONF_CH2_NUM_2;
+ break;
+ default:
+ BUG();
+ break;
+ }
+ return ret;
+}
+
+u32 memconf_additional_val(void)
+{
+ return sg_memconf_val_ch2(CONFIG_SDRAM2_SIZE, CONFIG_DDR_NUM_CH2);
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/pinctrl.c b/arch/arm/mach-uniphier/ph1-sld3/pinctrl.c
new file mode 100644
index 0000000..5ecbe4c
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/pinctrl.c
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <mach/sg-regs.h>
+
+void pin_init(void)
+{
+#ifdef CONFIG_USB_EHCI_UNIPHIER
+ sg_set_pinsel(13, 0); /* USB0OC */
+ sg_set_pinsel(14, 1); /* USB0VBUS */
+
+ sg_set_pinsel(15, 0); /* USB1OC */
+ sg_set_pinsel(16, 1); /* USB1VBUS */
+
+ sg_set_pinsel(17, 0); /* USB2OC */
+ sg_set_pinsel(18, 1); /* USB2VBUS */
+
+ sg_set_pinsel(19, 0); /* USB3OC */
+ sg_set_pinsel(20, 1); /* USB3VBUS */
+#endif
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/platdevice.c b/arch/arm/mach-uniphier/ph1-sld3/platdevice.c
new file mode 100644
index 0000000..6521067
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/platdevice.c
@@ -0,0 +1 @@
+#include "../ph1-ld4/platdevice.c"
diff --git a/arch/arm/mach-uniphier/ph1-sld3/pll_init.c b/arch/arm/mach-uniphier/ph1-sld3/pll_init.c
new file mode 100644
index 0000000..ebd1c31
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/pll_init.c
@@ -0,0 +1,10 @@
+/*
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+void pll_init(void)
+{
+ /* add pll init code here */
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/pll_spectrum.c b/arch/arm/mach-uniphier/ph1-sld3/pll_spectrum.c
new file mode 100644
index 0000000..fcf2ad2
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/pll_spectrum.c
@@ -0,0 +1,18 @@
+/*
+ * 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/sc-regs.h>
+
+void enable_dpll_ssc(void)
+{
+ u32 tmp;
+
+ tmp = readl(SC_DPLLCTRL);
+ tmp |= SC_DPLLCTRL_SSC_EN;
+ writel(tmp, SC_DPLLCTRL);
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/sbc_init.c b/arch/arm/mach-uniphier/ph1-sld3/sbc_init.c
new file mode 100644
index 0000000..d66f89e
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/sbc_init.c
@@ -0,0 +1,45 @@
+/*
+ * 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 */
+
+ /*
+ * Only CS1 is connected to support card.
+ * BKSZ[1:0] should be set to "01".
+ */
+ writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10);
+ writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11);
+ writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12);
+
+ if (boot_is_swapped()) {
+ /*
+ * Boot Swap On: boot from external NOR/SRAM
+ * 0x02000000-0x03ffffff is a mirror of 0x00000000-0x01ffffff.
+ *
+ * 0x00000000-0x01efffff, 0x02000000-0x03efffff: memory bank
+ * 0x01f00000-0x01ffffff, 0x03f00000-0x03ffffff: peripherals
+ */
+ writel(0x0000bc01, SBBASE0);
+ } else {
+ /*
+ * Boot Swap Off: boot from mask ROM
+ * 0x00000000-0x01ffffff: mask ROM
+ * 0x02000000-0x03efffff: memory bank (31MB)
+ * 0x03f00000-0x03ffffff: peripherals (1MB)
+ */
+ writel(0x0000be01, SBBASE0); /* dummy */
+ writel(0x0200be01, SBBASE1);
+ }
+
+ sg_set_pinsel(99, 1); /* GPIO26 -> EA24 */
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c
new file mode 100644
index 0000000..f5e2446
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c
@@ -0,0 +1,37 @@
+/*
+ * 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-sld3/sg_init.c b/arch/arm/mach-uniphier/ph1-sld3/sg_init.c
new file mode 100644
index 0000000..ca3cb9c
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/sg_init.c
@@ -0,0 +1,9 @@
+/*
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+void sg_init(void)
+{
+}
diff --git a/arch/arm/mach-uniphier/ph1-sld3/umc_init.c b/arch/arm/mach-uniphier/ph1-sld3/umc_init.c
new file mode 100644
index 0000000..91ee3de
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld3/umc_init.c
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+
+int umc_init(void)
+{
+ /* add UMC init code here */
+ printf("Implement memory init code\n");
+
+ return 0;
+}