On 2 April 2012 11:22, Donghwa Lee dh09.lee@samsung.com wrote:

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);

you missing return value. maybe this function can be void function.

+}

+unsigned long set_system_display_ctrl(void) +{

• if (cpu_is_exynos4())
• return exynos4_set_system_display();

need return here.

+} 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 */

Thanks. Minkyu Kang.