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Diffstat (limited to 'arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c')
-rw-r--r--arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c
new file mode 100644
index 0000000000..f113db54d1
--- /dev/null
+++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/sbc_init.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2011-2014 Panasonic Corporation
+ * Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/sbc-regs.h>
+#include <asm/arch/sg-regs.h>
+
+void sbc_init(void)
+{
+#if defined(CONFIG_PFC_MICRO_SUPPORT_CARD)
+ /*
+ * Only CS1 is connected to support card.
+ * BKSZ[1:0] should be set to "01".
+ */
+ writel(SBCTRL0_SAVEPIN_PERI_VALUE, SBCTRL10);
+ writel(SBCTRL1_SAVEPIN_PERI_VALUE, SBCTRL11);
+ writel(SBCTRL2_SAVEPIN_PERI_VALUE, SBCTRL12);
+ writel(SBCTRL4_SAVEPIN_PERI_VALUE, SBCTRL14);
+
+ if (readl(SBBASE0) & 0x1) {
+ /*
+ * Boot Swap Off: boot from mask ROM
+ * 0x00000000-0x01ffffff: mask ROM
+ * 0x02000000-0x3effffff: memory bank (31MB)
+ * 0x03f00000-0x3fffffff: peripherals (1MB)
+ */
+ writel(0x0000be01, SBBASE0); /* dummy */
+ writel(0x0200be01, SBBASE1);
+ } else {
+ /*
+ * 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);
+ }
+#elif defined(CONFIG_DCC_MICRO_SUPPORT_CARD)
+#if !defined(CONFIG_SPL_BUILD)
+ /* 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);
+#endif
+ /* 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 */
+
+#if !defined(CONFIG_SPL_BUILD)
+ sg_set_pinsel(318, 5); /* PORT22 -> XECS0 */
+#endif
+ sg_set_pinsel(313, 5); /* PORT15 -> XECS3 */
+ writel(0x00000001, SG_LOADPINCTRL);
+
+#endif /* CONFIG_XXX_MICRO_SUPPORT_CARD */
+}