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ARM: S5PV210: add framebuffer platform helpers for s5pv210 based machines

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This patch adds common framebuffer device helpers and register defines
for S5PV210 based machines.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Marek Szyprowski 2010-05-20 08:13:04 +02:00 committed by Ben Dooks
parent b315032f53
commit 5b696a67c3
7 changed files with 84 additions and 0 deletions
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5
arch/arm/mach-s5pv210/Kconfig
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@ -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

1
arch/arm/mach-s5pv210/Makefile
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@ -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

5
arch/arm/mach-s5pv210/include/mach/irqs.h
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@ -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 */

3
arch/arm/mach-s5pv210/include/mach/map.h
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@ -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 */

1
arch/arm/mach-s5pv210/include/mach/regs-clock.h
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@ -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)

62
arch/arm/mach-s5pv210/setup-fb-24bpp.c Normal file
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@ -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 <linux/kernel.h>
#include <linux/types.h>
#include <linux/fb.h>
#include <mach/regs-fb.h>
#include <mach/gpio.h>
#include <mach/map.h>
#include <plat/fb.h>
#include <mach/regs-clock.h>
#include <plat/gpio-cfg.h>
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);
}

7
arch/arm/plat-samsung/include/plat/fb.h
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@ -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 */