EXYNOS: definitions of system resgister and power management registers.

This is definitions of system registers and power mananagement registers for EXYNOS SoC.

Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

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))

arch/arm/cpu/armv7/exynos/power.c

@@ -0,0 +1,54 @@
+/*
+ * 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/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);
+}

arch/arm/cpu/armv7/exynos/system.c

@@ -0,0 +1,48 @@
+/*
+ * 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 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();
+}

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)

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

arch/arm/include/asm/arch-exynos/system.h

@@ -0,0 +1,53 @@
+/*
+ * (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
+
+void set_system_display_ctrl(void);
+
+#endif	/* _EXYNOS4_SYSTEM_H */