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Diffstat (limited to 'arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c')
-rw-r--r--arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c
new file mode 100644
index 0000000000..fdef88e126
--- /dev/null
+++ b/arch/arm/mach-uniphier/ph1-sld8/sbc_init_3cs.c
@@ -0,0 +1,58 @@
+/*
+ * 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)
+{
+ 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));
+}