* [U-Boot] [PATCH v2 1/4] ARM: EXYNOS: definition of system registers
@ 2012-04-02 2:22 Donghwa Lee
2012-04-02 4:31 ` Minkyu Kang
0 siblings, 1 reply; 2+ messages in thread
From: Donghwa Lee @ 2012-04-02 2:22 UTC (permalink / raw)
To: u-boot
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 */
--
1.7.4.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [U-Boot] [PATCH v2 1/4] ARM: EXYNOS: definition of system registers
2012-04-02 2:22 [U-Boot] [PATCH v2 1/4] ARM: EXYNOS: definition of system registers Donghwa Lee
@ 2012-04-02 4:31 ` Minkyu Kang
0 siblings, 0 replies; 2+ messages in thread
From: Minkyu Kang @ 2012-04-02 4:31 UTC (permalink / raw)
To: u-boot
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.
--
from. prom.
www.promsoft.net
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