diff options
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.c | 75 |
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 */ +} |