diff options
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.c | 43 |
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); +} |