[U-Boot] [PATCH v2 1/7] EXYNOS: definitions of system resgister and power management registers.
Donghwa Lee
dh09.lee at samsung.com
Fri Apr 6 07:36:10 CEST 2012
This is definitions of system registers and power mananagement registers for EXYNOS SoC.
Signed-off-by: Donghwa Lee <dh09.lee at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
Signed-off-by: Inki Dae <inki.dae at samsung.com>
---
arch/arm/cpu/armv7/exynos/Makefile | 2 +-
arch/arm/cpu/armv7/exynos/power.c | 54 +++++++++++++++++++++++++++++
arch/arm/cpu/armv7/exynos/system.c | 48 +++++++++++++++++++++++++
arch/arm/include/asm/arch-exynos/cpu.h | 5 +++
arch/arm/include/asm/arch-exynos/power.h | 6 +++
arch/arm/include/asm/arch-exynos/system.h | 53 ++++++++++++++++++++++++++++
6 files changed, 167 insertions(+), 1 deletions(-)
create mode 100644 arch/arm/cpu/armv7/exynos/power.c
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..90ec2bd 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 power.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/power.c b/arch/arm/cpu/armv7/exynos/power.c
new file mode 100644
index 0000000..7e77094
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <dh09.lee at 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/power.h>
+
+static void exynos4_mipi_phy_control(unsigned int dev_index,
+ unsigned int enable)
+{
+ struct exynos4_power *pmu =
+ (struct exynos4_power *)samsung_get_base_power();
+ unsigned int addr, cfg = 0;
+
+ if (dev_index == 0)
+ addr = (unsigned int)&pmu->mipi_phy0_control;
+ else
+ addr = (unsigned int)&pmu->mipi_phy1_control;
+
+
+ cfg = readl(addr);
+ if (enable)
+ cfg |= (EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
+ else
+ cfg &= ~(EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE);
+
+ writel(cfg, addr);
+}
+
+void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable)
+{
+ if (cpu_is_exynos4())
+ exynos4_mipi_phy_control(dev_index, enable);
+}
diff --git a/arch/arm/cpu/armv7/exynos/system.c b/arch/arm/cpu/armv7/exynos/system.c
new file mode 100644
index 0000000..6c34730
--- /dev/null
+++ b/arch/arm/cpu/armv7/exynos/system.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics
+ * Donghwa Lee <dh09.lee at 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 void exynos4_set_system_display(void)
+{
+ struct exynos4_sysreg *sysreg =
+ (struct exynos4_sysreg *)samsung_get_base_sysreg();
+ unsigned int cfg = 0;
+
+ /*
+ * system register path set
+ * 0: MIE/MDNIE
+ * 1: FIMD Bypass
+ */
+ cfg = readl(&sysreg->display_ctrl);
+ cfg |= (1 << 1);
+ writel(cfg, &sysreg->display_ctrl);
+}
+
+void set_system_display_ctrl(void)
+{
+ if (cpu_is_exynos4())
+ 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..ac4ddc7 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
@@ -40,6 +41,7 @@
#define EXYNOS4_GPIO_PART2_BASE 0x11000000
#define EXYNOS4_GPIO_PART1_BASE 0x11400000
#define EXYNOS4_FIMD_BASE 0x11C00000
+#define EXYNOS4_MIPI_DSIM_BASE 0x11C80000
#define EXYNOS4_USBOTG_BASE 0x12480000
#define EXYNOS4_MMC_BASE 0x12510000
#define EXYNOS4_SROMC_BASE 0x12570000
@@ -65,6 +67,7 @@
#define EXYNOS5_GPIO_PART3_BASE 0x10D10000
#define EXYNOS5_DMC_CTRL_BASE 0x10DD0000
#define EXYNOS5_GPIO_PART1_BASE 0x11400000
+#define EXYNOS5_MIPI_DSIM_BASE 0x11D00000
#define EXYNOS5_MMC_BASE 0x12200000
#define EXYNOS5_SROMC_BASE 0x12250000
#define EXYNOS5_USBOTG_BASE 0x12480000
@@ -127,7 +130,9 @@ 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(mipi_dsim, MIPI_DSIM_BASE)
SAMSUNG_BASE(gpio_part1, GPIO_PART1_BASE)
SAMSUNG_BASE(gpio_part2, GPIO_PART2_BASE)
SAMSUNG_BASE(gpio_part3, GPIO_PART3_BASE)
diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h
index fb442f7..6444fd0 100644
--- a/arch/arm/include/asm/arch-exynos/power.h
+++ b/arch/arm/include/asm/arch-exynos/power.h
@@ -227,4 +227,10 @@ struct exynos4_power {
};
#endif /* __ASSEMBLY__ */
+void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable);
+
+#define EXYNOS_MIPI_PHY_ENABLE (1 << 0)
+#define EXYNOS_MIPI_PHY_SRESETN (1 << 1)
+#define EXYNOS_MIPI_PHY_MRESETN (1 << 2)
+
#endif
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..c85f949
--- /dev/null
+++ b/arch/arm/include/asm/arch-exynos/system.h
@@ -0,0 +1,53 @@
+/*
+ * (C) Copyright 2012 Samsung Electronics
+ * Donghwa Lee <dh09.lee at 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
+
+void set_system_display_ctrl(void);
+
+#endif /* _EXYNOS4_SYSTEM_H */
--
1.7.4.1
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