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Diffstat (limited to 'arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c')
-rw-r--r--arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c
new file mode 100644
index 0000000000..67e6d8245b
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-pro4/sbc_init_3cs.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2011-2015 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/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);
+}