From: Marek Szyprowski Date: Thu, 20 May 2010 06:13:04 +0000 (+0200) Subject: ARM: S5PV210: add framebuffer platform helpers for s5pv210 based machines X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=5b696a67c327f21fc67b60a1518f65e4e7f2749f;p=linux-beck.git ARM: S5PV210: add framebuffer platform helpers for s5pv210 based machines This patch adds common framebuffer device helpers and register defines for S5PV210 based machines. Signed-off-by: Marek Szyprowski Signed-off-by: Kyungmin Park Signed-off-by: Ben Dooks --- diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index 430055b88f92..7d8d93feb63b 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -25,6 +25,11 @@ config MACH_AQUILA help Machine support for the Samsung Aquila target based on S5PC110 SoC +config S5PV210_SETUP_FB_24BPP + bool + help + Common setup code for S5PV210 with an 24bpp RGB display helper. + config MACH_SMDKV210 bool "SMDKV210" select CPU_S5PV210 diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile index ed3cb6c1b5df..2b061a0292e5 100644 --- a/arch/arm/mach-s5pv210/Makefile +++ b/arch/arm/mach-s5pv210/Makefile @@ -24,3 +24,4 @@ obj-$(CONFIG_MACH_SMDKC110) += mach-smdkc110.o # device support obj-y += dev-audio.o +obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h index 62c5175ef291..ee6e07b5ae8a 100644 --- a/arch/arm/mach-s5pv210/include/mach/irqs.h +++ b/arch/arm/mach-s5pv210/include/mach/irqs.h @@ -143,4 +143,9 @@ #define NR_IRQS (IRQ_EINT(31) + 1) +/* Compatibility */ +#define IRQ_LCD_FIFO IRQ_LCD0 +#define IRQ_LCD_VSYNC IRQ_LCD1 +#define IRQ_LCD_SYSTEM IRQ_LCD2 + #endif /* ASM_ARCH_IRQS_H */ diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h index 5adcb9f26e44..e6bb12c17901 100644 --- a/arch/arm/mach-s5pv210/include/mach/map.h +++ b/arch/arm/mach-s5pv210/include/mach/map.h @@ -47,6 +47,8 @@ #define S5PV210_PA_PDMA0 0xE0900000 #define S5PV210_PA_PDMA1 0xE0A00000 +#define S5PV210_PA_FB (0xF8000000) + #define S5PV210_PA_VIC0 (0xF2000000) #define S5P_PA_VIC0 S5PV210_PA_VIC0 @@ -78,5 +80,6 @@ /* compatibiltiy defines. */ #define S3C_PA_UART S5PV210_PA_UART #define S3C_PA_IIC S5PV210_PA_IIC0 +#define S3C_PA_FB S5PV210_PA_FB #endif /* __ASM_ARCH_MAP_H */ diff --git a/arch/arm/mach-s5pv210/include/mach/regs-clock.h b/arch/arm/mach-s5pv210/include/mach/regs-clock.h index e56e0e4673ed..2a25ab40c863 100644 --- a/arch/arm/mach-s5pv210/include/mach/regs-clock.h +++ b/arch/arm/mach-s5pv210/include/mach/regs-clock.h @@ -126,6 +126,7 @@ #define S5P_RST_STAT S5P_CLKREG(0xA000) #define S5P_OSC_CON S5P_CLKREG(0x8000) +#define S5P_MDNIE_SEL S5P_CLKREG(0x7008) #define S5P_MIPI_PHY_CON0 S5P_CLKREG(0x7200) #define S5P_MIPI_PHY_CON1 S5P_CLKREG(0x7204) #define S5P_MIPI_CONTROL S5P_CLKREG(0xE814) diff --git a/arch/arm/mach-s5pv210/setup-fb-24bpp.c b/arch/arm/mach-s5pv210/setup-fb-24bpp.c new file mode 100644 index 000000000000..a50cbac8720d --- /dev/null +++ b/arch/arm/mach-s5pv210/setup-fb-24bpp.c @@ -0,0 +1,62 @@ +/* linux/arch/arm/plat-s5pv210/setup-fb-24bpp.c + * + * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Base s5pv210 setup information for 24bpp LCD framebuffer + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +void s5pv210_fb_gpio_setup_24bpp(void) +{ + unsigned int gpio = 0; + + for (gpio = S5PV210_GPF0(0); gpio <= S5PV210_GPF0(7); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + for (gpio = S5PV210_GPF1(0); gpio <= S5PV210_GPF1(7); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + for (gpio = S5PV210_GPF2(0); gpio <= S5PV210_GPF2(7); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + for (gpio = S5PV210_GPF3(0); gpio <= S5PV210_GPF3(3); gpio++) { + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); + s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV4); + } + + /* Set DISPLAY_CONTROL register for Display path selection. + * + * ouput | RGB | I80 | ITU + * ----------------------------------- + * 00 | MIE | FIMD | FIMD + * 01 | MDNIE | MDNIE | FIMD + * 10 | FIMD | FIMD | FIMD + * 11 | FIMD | FIMD | FIMD + */ + writel(0x2, S5P_MDNIE_SEL); +} diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h index 1f85649d8c18..27d3b497b55b 100644 --- a/arch/arm/plat-samsung/include/plat/fb.h +++ b/arch/arm/plat-samsung/include/plat/fb.h @@ -84,4 +84,11 @@ extern void s3c64xx_fb_gpio_setup_24bpp(void); */ extern void s5pc100_fb_gpio_setup_24bpp(void); +/** + * s5pv210_fb_gpio_setup_24bpp() - S5PV210/S5PC110 setup function for 24bpp LCD + * + * Initialise the GPIO for an 24bpp LCD display on the RGB interface. + */ +extern void s5pv210_fb_gpio_setup_24bpp(void); + #endif /* __PLAT_S3C_FB_H */