This is definition of system registers for EXYNOS SoC.
Signed-off-by: Donghwa Lee dh09.lee@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com --- arch/arm/cpu/armv7/exynos/Makefile | 2 +- arch/arm/cpu/armv7/exynos/system.c | 44 +++++++++++++++++++++++++ arch/arm/include/asm/arch-exynos/cpu.h | 2 + arch/arm/include/asm/arch-exynos/system.h | 51 +++++++++++++++++++++++++++++ 4 files changed, 98 insertions(+), 1 deletions(-) create mode 100644 arch/arm/cpu/armv7/exynos/system.c create mode 100644 arch/arm/include/asm/arch-exynos/system.h
diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile index 124c380..75c31dc 100644 --- a/arch/arm/cpu/armv7/exynos/Makefile +++ b/arch/arm/cpu/armv7/exynos/Makefile @@ -22,7 +22,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).o
-COBJS += clock.o soc.o +COBJS += clock.o soc.o system.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) diff --git a/arch/arm/cpu/armv7/exynos/system.c b/arch/arm/cpu/armv7/exynos/system.c new file mode 100644 index 0000000..f14366c --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/system.c @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Donghwa Lee dh09.lee@samsung.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/system.h> + +static unsigned long exynos4_set_system_display(void) +{ + struct exynos4_sysreg *sysreg = + (struct exynos4_sysreg *)samsung_get_base_sysreg(); + unsigned int cfg = 0; + + /* system register path set */ + cfg = readl(&sysreg->display_ctrl); + cfg |= (1 << 1); + writel(cfg, &sysreg->display_ctrl); +} + +unsigned long set_system_display_ctrl(void) +{ + if (cpu_is_exynos4()) + return exynos4_set_system_display(); +} diff --git a/arch/arm/include/asm/arch-exynos/cpu.h b/arch/arm/include/asm/arch-exynos/cpu.h index 89f2c2e..70048f0 100644 --- a/arch/arm/include/asm/arch-exynos/cpu.h +++ b/arch/arm/include/asm/arch-exynos/cpu.h @@ -29,6 +29,7 @@ /* EXYNOS4 */ #define EXYNOS4_GPIO_PART3_BASE 0x03860000 #define EXYNOS4_PRO_ID 0x10000000 +#define EXYNOS4_SYSREG_BASE 0x10010000 #define EXYNOS4_POWER_BASE 0x10020000 #define EXYNOS4_SWRESET 0x10020400 #define EXYNOS4_CLOCK_BASE 0x10030000 @@ -127,6 +128,7 @@ static inline unsigned int samsung_get_base_##device(void) \
SAMSUNG_BASE(adc, ADC_BASE) SAMSUNG_BASE(clock, CLOCK_BASE) +SAMSUNG_BASE(sysreg, SYSREG_BASE) SAMSUNG_BASE(fimd, FIMD_BASE) SAMSUNG_BASE(gpio_part1, GPIO_PART1_BASE) SAMSUNG_BASE(gpio_part2, GPIO_PART2_BASE) diff --git a/arch/arm/include/asm/arch-exynos/system.h b/arch/arm/include/asm/arch-exynos/system.h new file mode 100644 index 0000000..2e99c0d --- /dev/null +++ b/arch/arm/include/asm/arch-exynos/system.h @@ -0,0 +1,51 @@ +/* + * (C) Copyright 2012 Samsung Electronics + * Donghwa Lee dh09.lee@samsung.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __ASM_ARM_ARCH_SYSTEM_H_ +#define __ASM_ARM_ARCH_SYSTEM_H_ + +#ifndef __ASSEMBLY__ +struct exynos4_sysreg { + unsigned char res1[0x210]; + unsigned int display_ctrl; + unsigned int display_ctrl2; + unsigned int camera_control; + unsigned int audio_endian; + unsigned int jtag_con; +}; + +struct exynos5_sysreg { + unsigned char res1[0x214]; + unsigned int disp1blk_cfg; + unsigned int disp2blk_cfg; + unsigned int hdcp_e_fuse; + unsigned int gsclblk_cfg0; + unsigned int gsclblk_cfg1; + unsigned int reserved; + unsigned int ispblk_cfg; + unsigned int usb20phy_cfg; + unsigned int mipi_dphy; + unsigned int dptx_dphy; + unsigned int phyclk_sel; +}; +#endif + +#endif /* _EXYNOS4_SYSTEM_H */