From 5894ca007d217a2fa845facfbb62c6512396a145 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 3 Oct 2014 19:21:06 +0900 Subject: ARM: UniPhier: add UniPhier SoC support code These are used by Panasonic UniPhier SoC family. Signed-off-by: Masahiro Yamada --- arch/arm/cpu/armv7/uniphier/ph1-ld4/sbc_init.c | 44 ++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/arm/cpu/armv7/uniphier/ph1-ld4/sbc_init.c (limited to 'arch/arm/cpu/armv7/uniphier/ph1-ld4/sbc_init.c') diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/sbc_init.c b/arch/arm/cpu/armv7/uniphier/ph1-ld4/sbc_init.c new file mode 100644 index 0000000000..a37ed1674f --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/sbc_init.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Author: Masahiro Yamada + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include + +void sbc_init(void) +{ + /* 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); + +#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 + /* 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); + +#if !defined(CONFIG_SPL_BUILD) + /* enable access to sub memory when boot swap is on */ + sg_set_pinsel(155, 1); /* PORT24 -> XECS0 */ +#endif + sg_set_pinsel(156, 1); /* PORT25 -> XECS3 */ +} -- cgit