diff options
author | Wolfgang Denk <wd@denx.de> | 2012-05-20 21:31:26 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2012-05-20 21:31:26 +0200 |
commit | ee3a55fdf00b54391e406217e53674449e70d78b (patch) | |
tree | 0c7edb3ba668e5a215c42e8b1429cc3f394351b2 /arch/arm/cpu/armv7/exynos | |
parent | 6bc337fb13003a9a949dfb2713e308fb97faae8a (diff) | |
parent | 2ca4a209a5b961ad1be8782c68dabe326d77dfaf (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: (167 commits)
OMAP4/5: Change omap4_sdp, omap4_panda, omap5_evm maintainer
ARM: omap3: Add CONFIG_SPL_BOARD_INIT for CONFIG_SPL_MMC_SUPPORT
ARM: omap3: Set SPL stack size to 8KB, image to 54KB.
arm, omap3: fix warm reset serial output on OMAP36xx/AM/DM37xx
OMAP4: Set fdt_high for OMAP4 devices to enable booting with Device Tree
omap4: do not enable auxiliary cores
omap4: do not enable fs-usb module
omap4: panda: disable uart2 pads during boot
igep00x0: change mpurate from 500 to auto
igep00x0: enable the use of a plain text file
tegra2: trivially enable 13 mhz crystal frequency
tegra: Enable keyboard for Seaboard
tegra: Switch on console mux and use environment for console
tegra: Add tegra keyboard driver
tegra: fdt: Add keyboard definitions for Seaboard
tegra: fdt: Add keyboard controller definition
tegra: Add keyboard support to funcmux
input: Add support for keyboard matrix decoding from an fdt
input: Add generic keyboard input handler
input: Add linux/input.h for key code support
fdt: Add fdtdec functions to read byte array
tegra: Enable LP0 on Seaboard
tegra: fdt: Add EMC data for Tegra2 Seaboard
tegra: i2c: Add function to find DVC bus
fdt: tegra: Add EMC node to device tree
tegra: Add EMC settings for Seaboard
tegra: Turn off power detect in board init
tegra: Set up warmboot code on Nvidia boards
tegra: Setup PMC scratch info from ap20 setup
tegra: Add warmboot implementation
tegra: Set up PMU for Nvidia boards
tegra: Add PMU to manage power supplies
tegra: Add EMC support for optimal memory timings
tegra: Add header file for APB_MISC register
tegra: Add tegra_get_chip_type() to detect SKU
tegra: Add flow, gp_padctl, fuse, sdram headers
tegra: Add crypto library for warmboot code
tegra: Add functions to access low-level Osc/PLL details
tegra: Move ap20.h header into arch location
Add AES crypto library
i2c: Add TPS6586X driver
Add abs() macro to return absolute value
fdt: Add function to return next compatible subnode
fdt: Add function to locate an array in the device tree
i.MX28: Avoid redefining serial_put[cs]()
i.MX28: Check if WP detection is implemented at all
i.MX28: Add battery boot components to SPL
i.MX28: Reorder battery status functions in SPL
i.MX28: Add LRADC init to i.MX28 SPL
i.MX28: Add LRADC register definitions
i.MX28: Shut down the LCD controller before reset
i.MX28: Add LCDIF register definitions
i.MX28: Implement boot pads sampling and reporting
i.MX28: Improve passing of data from SPL to U-Boot
M28EVK: Add SD update command
M28EVK: Implement support for new board V2.0
FEC: Abstract out register setup
MX5: PAD_CTL_DRV_VOT_LOW and PAD_CTL_DRV_VOT_HIGH exchanged
i.MX28: Add delay after CPU bypass is cleared
spi: mxs: Allow other chip selects to work
spi: mxs: Introduce spi_cs_is_valid()
mx53loco: Remove unneeded gpio_set_value()
mx53loco: Add CONFIG_REVISION_TAG
mx53loco: Turn on VUSB regulator
mx53loco: Add mc34708 support and set mx53 frequency at 1GHz
pmic: dialog: Avoid name conflicts
imx: Add u-boot.imx as target for ARM9 i.MX SOCs
i.MX2: Include asm/types.h in arch-mx25/imx-regs.h
imx: usb: There is no such register
i.MX25: usb: Set PORTSCx register
imx: nand: Support flash based BBT
i.MX25: This architecture has a GPIO4 too
i.MX25: esdhc: Add mxc_get_clock infrastructure
i.MX6: mx6q_sabrelite: add SATA bindings
i.MX6: add enable_sata_clock()
i.MX6: Add ANATOP regulator init
mx28evk: add NAND support
USB: ehci-mx6: Fix broken IO access
M28: Scan only first 512 MB of DRAM to avoid memory wraparound
Revert "i.MX28: Enable additional DRAM address bits"
M28: Enable FDT support
mx53loco: Add support for 1GHz operation for DA9053-based boards
mx53loco: Allow to print CPU information at a later stage
mx5: Add clock config interface
imx-common: Factor out get_ahb_clk()
i.MX6Q: mx6qsabrelite: Add keypress support to alter boot flow
mx31pdk: Allow booting a zImage kernel
mx6qarm2: Allow booting a zImage kernel
mx6qsabrelite: Allow booting a zImage kernel
mx28evk: Allow booting a zImage kernel
m28evk: Allow to booting a dt kernel
mx28evk: Allow to booting a dt kernel
mx6qsabrelite: No need to set the direction for GPIO3_23 again
pmic: Add support for the Dialog DA9053 PMIC
MX53: mx53loco: Add SATA support
MX53: Add support to ESG ima3 board
SATA: add driver for MX5 / MX6 SOCs
MX53: add function to set SATA clock to internal
SATA: check for return value from sata functions
MX5: Add definitions for SATA controller
NET: fec_mxc.c: Add a way to disable auto negotiation
Define UART4 and UART5 base addresses
EXYNOS: Change bits per pixel value proper for u-boot.
EXYNOS: support TRATS board display function
LCD: support S6E8AX0 amoled driver based on EXYNOS MIPI DSI
EXYNOS: support EXYNOS MIPI DSI interface driver.
EXYNOS: support EXYNOS framebuffer and FIMD display drivers.
LCD: add data structure for EXYNOS display driver
EXYNOS: add LCD and MIPI DSI clock interface.
EXYNOS: definitions of system resgister and power management registers.
SMDK5250: fix compiler warning
misc:pmic:samsung Convert TRATS target to use MAX8997 instead of MAX8998
misc:pmic:max8997 MAX8997 support for PMIC driver
TRATS: modify the trats's configuration
ARM: Exynos4: ADC: Universal_C210: Enable LDO4 power line for ADC measurement
EXYNOS: Rename exynos5_tzpc structure to exynos_tzpc
arm: ea20: Change macro from BOARD_LATE_INIT to CONFIG_BOARD_LATE_INIT
arm: cam_enc_4xx: Change macro from BOARD_LATE_INIT to CONFIG_BOARD_LATE_INIT
cm-t35: add I2C multi-bus support
include/configs: Remove CONFIG_SYS_64BIT_STRTOUL
include/configs: Remove CONFIG_SYS_64BIT_VSPRINTF
omap3: Introduce weak misc_init_r
omap730p2: Remove empty misc_init_r
omap5912osk: Remove empty misc_init_r
omap4+: Remove CONFIG_ARCH_CPU_INIT
omap4: Remove CONFIG_SYS_MMC_SET_DEV
OMAP3: pandora: drop console kernel argument
OMAP3: pandora: revise GPIO configuration
...
Diffstat (limited to 'arch/arm/cpu/armv7/exynos')
-rw-r--r-- | arch/arm/cpu/armv7/exynos/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/exynos/clock.c | 184 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 54 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/exynos/system.c | 48 |
4 files changed, 287 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/exynos/Makefile b/arch/arm/cpu/armv7/exynos/Makefile index 124c38018c..90ec2bd404 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/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 2f7048b6a3..330bd75da9 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -414,6 +414,170 @@ static void exynos5_set_mmc_clk(int dev_index, unsigned int div) writel(val, addr); } +/* get_lcd_clk: return lcd clock frequency */ +static unsigned long exynos4_get_lcd_clk(void) +{ + struct exynos4_clock *clk = + (struct exynos4_clock *)samsung_get_base_clock(); + unsigned long pclk, sclk; + unsigned int sel; + unsigned int ratio; + + /* + * CLK_SRC_LCD0 + * FIMD0_SEL [3:0] + */ + sel = readl(&clk->src_lcd0); + sel = sel & 0xf; + + /* + * 0x6: SCLK_MPLL + * 0x7: SCLK_EPLL + * 0x8: SCLK_VPLL + */ + if (sel == 0x6) + sclk = get_pll_clk(MPLL); + else if (sel == 0x7) + sclk = get_pll_clk(EPLL); + else if (sel == 0x8) + sclk = get_pll_clk(VPLL); + else + return 0; + + /* + * CLK_DIV_LCD0 + * FIMD0_RATIO [3:0] + */ + ratio = readl(&clk->div_lcd0); + ratio = ratio & 0xf; + + pclk = sclk / (ratio + 1); + + return pclk; +} + +void exynos4_set_lcd_clk(void) +{ + struct exynos4_clock *clk = + (struct exynos4_clock *)samsung_get_base_clock(); + unsigned int cfg = 0; + + /* + * CLK_GATE_BLOCK + * CLK_CAM [0] + * CLK_TV [1] + * CLK_MFC [2] + * CLK_G3D [3] + * CLK_LCD0 [4] + * CLK_LCD1 [5] + * CLK_GPS [7] + */ + cfg = readl(&clk->gate_block); + cfg |= 1 << 4; + writel(cfg, &clk->gate_block); + + /* + * CLK_SRC_LCD0 + * FIMD0_SEL [3:0] + * MDNIE0_SEL [7:4] + * MDNIE_PWM0_SEL [8:11] + * MIPI0_SEL [12:15] + * set lcd0 src clock 0x6: SCLK_MPLL + */ + cfg = readl(&clk->src_lcd0); + cfg &= ~(0xf); + cfg |= 0x6; + writel(cfg, &clk->src_lcd0); + + /* + * CLK_GATE_IP_LCD0 + * CLK_FIMD0 [0] + * CLK_MIE0 [1] + * CLK_MDNIE0 [2] + * CLK_DSIM0 [3] + * CLK_SMMUFIMD0 [4] + * CLK_PPMULCD0 [5] + * Gating all clocks for FIMD0 + */ + cfg = readl(&clk->gate_ip_lcd0); + cfg |= 1 << 0; + writel(cfg, &clk->gate_ip_lcd0); + + /* + * CLK_DIV_LCD0 + * FIMD0_RATIO [3:0] + * MDNIE0_RATIO [7:4] + * MDNIE_PWM0_RATIO [11:8] + * MDNIE_PWM_PRE_RATIO [15:12] + * MIPI0_RATIO [19:16] + * MIPI0_PRE_RATIO [23:20] + * set fimd ratio + */ + cfg &= ~(0xf); + cfg |= 0x1; + writel(cfg, &clk->div_lcd0); +} + +void exynos4_set_mipi_clk(void) +{ + struct exynos4_clock *clk = + (struct exynos4_clock *)samsung_get_base_clock(); + unsigned int cfg = 0; + + /* + * CLK_SRC_LCD0 + * FIMD0_SEL [3:0] + * MDNIE0_SEL [7:4] + * MDNIE_PWM0_SEL [8:11] + * MIPI0_SEL [12:15] + * set mipi0 src clock 0x6: SCLK_MPLL + */ + cfg = readl(&clk->src_lcd0); + cfg &= ~(0xf << 12); + cfg |= (0x6 << 12); + writel(cfg, &clk->src_lcd0); + + /* + * CLK_SRC_MASK_LCD0 + * FIMD0_MASK [0] + * MDNIE0_MASK [4] + * MDNIE_PWM0_MASK [8] + * MIPI0_MASK [12] + * set src mask mipi0 0x1: Unmask + */ + cfg = readl(&clk->src_mask_lcd0); + cfg |= (0x1 << 12); + writel(cfg, &clk->src_mask_lcd0); + + /* + * CLK_GATE_IP_LCD0 + * CLK_FIMD0 [0] + * CLK_MIE0 [1] + * CLK_MDNIE0 [2] + * CLK_DSIM0 [3] + * CLK_SMMUFIMD0 [4] + * CLK_PPMULCD0 [5] + * Gating all clocks for MIPI0 + */ + cfg = readl(&clk->gate_ip_lcd0); + cfg |= 1 << 3; + writel(cfg, &clk->gate_ip_lcd0); + + /* + * CLK_DIV_LCD0 + * FIMD0_RATIO [3:0] + * MDNIE0_RATIO [7:4] + * MDNIE_PWM0_RATIO [11:8] + * MDNIE_PWM_PRE_RATIO [15:12] + * MIPI0_RATIO [19:16] + * MIPI0_PRE_RATIO [23:20] + * set mipi ratio + */ + cfg &= ~(0xf << 16); + cfg |= (0x1 << 16); + writel(cfg, &clk->div_lcd0); +} + unsigned long get_pll_clk(int pllreg) { if (cpu_is_exynos5()) @@ -453,3 +617,23 @@ void set_mmc_clk(int dev_index, unsigned int div) else exynos4_set_mmc_clk(dev_index, div); } + +unsigned long get_lcd_clk(void) +{ + if (cpu_is_exynos4()) + return exynos4_get_lcd_clk(); + else + return 0; +} + +void set_lcd_clk(void) +{ + if (cpu_is_exynos4()) + exynos4_set_lcd_clk(); +} + +void set_mipi_clk(void) +{ + if (cpu_is_exynos4()) + exynos4_set_mipi_clk(); +} diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c new file mode 100644 index 0000000000..c765304fd5 --- /dev/null +++ b/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); +} diff --git a/arch/arm/cpu/armv7/exynos/system.c b/arch/arm/cpu/armv7/exynos/system.c new file mode 100644 index 0000000000..6c34730b97 --- /dev/null +++ b/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(); +} |