diff options
Diffstat (limited to 'arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c')
| -rw-r--r-- | arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c b/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c new file mode 100644 index 0000000..f5e2446 --- /dev/null +++ b/arch/arm/mach-uniphier/ph1-sld3/sbc_init_3cs.c @@ -0,0 +1,37 @@ +/* + * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <linux/io.h> +#include <mach/sbc-regs.h> +#include <mach/sg-regs.h> + +void sbc_init(void) +{ + /* only address/data multiplex mode is supported */ + + /* XECS0 : boot/sub memory (boot swap = off/on) */ + writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL00); + writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL01); + writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL02); + + /* XECS1 : sub/boot memory (boot swap = off/on) */ + writel(SBCTRL0_ADMULTIPLX_MEM_VALUE, SBCTRL10); + writel(SBCTRL1_ADMULTIPLX_MEM_VALUE, SBCTRL11); + writel(SBCTRL2_ADMULTIPLX_MEM_VALUE, SBCTRL12); + + /* XECS2 : peripherals */ + writel(SBCTRL0_ADMULTIPLX_PERI_VALUE, SBCTRL20); + writel(SBCTRL1_ADMULTIPLX_PERI_VALUE, SBCTRL21); + writel(SBCTRL2_ADMULTIPLX_PERI_VALUE, SBCTRL22); + + /* base address regsiters */ + writel(0x0000bc01, SBBASE0); + writel(0x0400bc01, SBBASE1); + writel(0x0800bf01, SBBASE2); + + sg_set_pinsel(99, 1); /* GPIO26 -> EA24 */ +} |