leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'for-rmk/2635' of git://git.fluff.org/bjdooks/linux into devel-stable

Browse Source
This commit is contained in:
Russell King 2010-05-17 08:49:25 +01:00
commit a3685f0065
68 changed files with 2017 additions and 818 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/arm/Kconfig
View File

@ -657,7 +657,7 @@ config ARCH_SA1100
Support for StrongARM 11x0 based boards.
config ARCH_S3C2410
bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
bool "Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, S3C2450"
select GENERIC_GPIO
select ARCH_HAS_CPUFREQ
select HAVE_CLK
@ -666,6 +666,10 @@ config ARCH_S3C2410
BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
the Samsung SMDK2410 development board (and derivatives).
Note, the S3C2416 and the S3C2450 are so close that they even share
the same SoC ID code. This means that there is no seperate machine
directory (no arch/arm/mach-s3c2450) as the S3C2416 was first.
config ARCH_S3C64XX
bool "Samsung S3C64XX"
select PLAT_SAMSUNG
@ -904,6 +908,7 @@ if ARCH_S3C2410
source "arch/arm/mach-s3c2400/Kconfig"
source "arch/arm/mach-s3c2410/Kconfig"
source "arch/arm/mach-s3c2412/Kconfig"
source "arch/arm/mach-s3c2416/Kconfig"
source "arch/arm/mach-s3c2440/Kconfig"
source "arch/arm/mach-s3c2443/Kconfig"
endif

2
arch/arm/Makefile
View File

@ -161,7 +161,7 @@ machine-$(CONFIG_ARCH_PNX4008) := pnx4008
machine-$(CONFIG_ARCH_PXA) := pxa
machine-$(CONFIG_ARCH_REALVIEW) := realview
machine-$(CONFIG_ARCH_RPC) := rpc
machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2440 s3c2443
machine-$(CONFIG_ARCH_S3C2410) := s3c2410 s3c2400 s3c2412 s3c2416 s3c2440 s3c2443
machine-$(CONFIG_ARCH_S3C24A0) := s3c24a0
machine-$(CONFIG_ARCH_S3C64XX) := s3c64xx
machine-$(CONFIG_ARCH_S5P6440) := s5p6440

1
arch/arm/mach-s3c2410/Kconfig
View File

@ -6,6 +6,7 @@ config CPU_S3C2410
bool
depends on ARCH_S3C2410
select CPU_ARM920T
select S3C_GPIO_PULL_UP
select S3C2410_CLOCK
select S3C2410_GPIO
select CPU_LLSERIAL_S3C2410

32
arch/arm/mach-s3c2410/h1940-bluetooth.c
View File

@ -33,14 +33,15 @@ static void h1940bt_enable(int on)
h1940_latch_control(0, H1940_LATCH_BLUETOOTH_POWER);
/* Reset the chip */
mdelay(10);
s3c2410_gpio_setpin(S3C2410_GPH(1), 1);
gpio_set_value(S3C2410_GPH(1), 1);
mdelay(10);
s3c2410_gpio_setpin(S3C2410_GPH(1), 0);
gpio_set_value(S3C2410_GPH(1), 0);
}
else {
s3c2410_gpio_setpin(S3C2410_GPH(1), 1);
gpio_set_value(S3C2410_GPH(1), 1);
mdelay(10);
s3c2410_gpio_setpin(S3C2410_GPH(1), 0);
gpio_set_value(S3C2410_GPH(1), 0);
mdelay(10);
h1940_latch_control(H1940_LATCH_BLUETOOTH_POWER, 0);
}
@ -61,15 +62,21 @@ static int __devinit h1940bt_probe(struct platform_device *pdev)
struct rfkill *rfk;
int ret = 0;
ret = gpio_request(S3C2410_GPH(1), dev_name(&pdev->dev));
if (ret) {
dev_err(&pdev->dev, "could not get GPH1\n");\
return ret;
}
/* Configures BT serial port GPIOs */
s3c2410_gpio_cfgpin(S3C2410_GPH(0), S3C2410_GPH0_nCTS0);
s3c2410_gpio_pullup(S3C2410_GPH(0), 1);
s3c2410_gpio_cfgpin(S3C2410_GPH(1), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_pullup(S3C2410_GPH(1), 1);
s3c2410_gpio_cfgpin(S3C2410_GPH(2), S3C2410_GPH2_TXD0);
s3c2410_gpio_pullup(S3C2410_GPH(2), 1);
s3c2410_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0);
s3c2410_gpio_pullup(S3C2410_GPH(3), 1);
s3c_gpio_cfgpin(S3C2410_GPH(0), S3C2410_GPH0_nCTS0);
s3c_gpio_cfgpull(S3C2410_GPH(0), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(S3C2410_GPH(1), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpull(S3C2410_GPH(1), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(S3C2410_GPH(2), S3C2410_GPH2_TXD0);
s3c_gpio_cfgpull(S3C2410_GPH(2), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(S3C2410_GPH(3), S3C2410_GPH3_RXD0);
s3c_gpio_cfgpull(S3C2410_GPH(3), S3C_GPIO_PULL_NONE);
rfk = rfkill_alloc(DRV_NAME, &pdev->dev, RFKILL_TYPE_BLUETOOTH,
@ -100,6 +107,7 @@ static int h1940bt_remove(struct platform_device *pdev)
struct rfkill *rfk = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
gpio_free(S3C2410_GPH(1));
if (rfk) {
rfkill_unregister(rfk);

2
arch/arm/mach-s3c2410/include/mach/dma.h
View File

@ -54,7 +54,7 @@ enum dma_ch {
#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */
/* we have 4 dma channels */
#ifndef CONFIG_CPU_S3C2443
#if !defined(CONFIG_CPU_S3C2443) && !defined(CONFIG_CPU_S3C2416)
#define S3C_DMA_CHANNELS (4)
#else
#define S3C_DMA_CHANNELS (6)

47
arch/arm/mach-s3c2410/include/mach/gpio-fns.h
View File

@ -10,14 +10,28 @@
* published by the Free Software Foundation.
*/
#ifndef __MACH_GPIO_FNS_H
#define __MACH_GPIO_FNS_H __FILE__
/* These functions are in the to-be-removed category and it is strongly
* encouraged not to use these in new code. They will be marked deprecated
* very soon.
*
* Most of the functionality can be either replaced by the gpiocfg calls
* for the s3c platform or by the generic GPIOlib API.
*
* As of 2.6.35-rc, these will be removed, with the few drivers using them
* either replaced or given a wrapper until the calls can be removed.
*/
#include <plat/gpio-cfg.h>
static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg)
{
/* 1:1 mapping between cfgpin and setcfg calls at the moment */
s3c_gpio_cfgpin(pin, cfg);
}
/* external functions for GPIO support
*
* These allow various different clients to access the same GPIO
@ -25,17 +39,6 @@
* GPIO register, then it is safe to ioremap/__raw_{read|write} to it.
*/
/* s3c2410_gpio_cfgpin
*
* set the configuration of the given pin to the value passed.
*
* eg:
* s3c2410_gpio_cfgpin(S3C2410_GPA(0), S3C2410_GPA0_ADDR0);
* s3c2410_gpio_cfgpin(S3C2410_GPE(8), S3C2410_GPE8_SDDAT1);
*/
extern void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function);
extern unsigned int s3c2410_gpio_getcfg(unsigned int pin);
/* s3c2410_gpio_getirq
@ -71,6 +74,14 @@ extern int s3c2400_gpio_getirq(unsigned int pin);
extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
unsigned int config);
/* s3c2410_gpio_pullup
*
* This call should be replaced with s3c_gpio_setpull().
*
* As a note, there is currently no distinction between pull-up and pull-down
* in the s3c24xx series devices with only an on/off configuration.
*/
/* s3c2410_gpio_pullup
*
* configure the pull-up control on the given pin
@ -86,18 +97,8 @@ extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to);
/* s3c2410_gpio_getpull
*
* Read the state of the pull-up on a given pin
*
* return:
* < 0 => error code
* 0 => enabled
* 1 => disabled
*/
extern int s3c2410_gpio_getpull(unsigned int pin);
extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to);
extern unsigned int s3c2410_gpio_getpin(unsigned int pin);
#endif /* __MACH_GPIO_FNS_H */

12
arch/arm/mach-s3c2410/include/mach/gpio-nrs.h
View File

@ -34,6 +34,10 @@
#define S3C2410_GPIO_F_NR (32)
#define S3C2410_GPIO_G_NR (32)
#define S3C2410_GPIO_H_NR (32)
#define S3C2410_GPIO_J_NR (32) /* technically 16. */
#define S3C2410_GPIO_K_NR (32) /* technically 16. */
#define S3C2410_GPIO_L_NR (32) /* technically 15. */
#define S3C2410_GPIO_M_NR (32) /* technically 2. */
#if CONFIG_S3C_GPIO_SPACE != 0
#error CONFIG_S3C_GPIO_SPACE cannot be zero at the moment
@ -53,6 +57,10 @@ enum s3c_gpio_number {
S3C2410_GPIO_F_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_E),
S3C2410_GPIO_G_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_F),
S3C2410_GPIO_H_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_G),
S3C2410_GPIO_J_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_H),
S3C2410_GPIO_K_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_J),
S3C2410_GPIO_L_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_K),
S3C2410_GPIO_M_START = S3C2410_GPIO_NEXT(S3C2410_GPIO_L),
};
#endif /* __ASSEMBLY__ */
@ -67,6 +75,10 @@ enum s3c_gpio_number {
#define S3C2410_GPF(_nr) (S3C2410_GPIO_F_START + (_nr))
#define S3C2410_GPG(_nr) (S3C2410_GPIO_G_START + (_nr))
#define S3C2410_GPH(_nr) (S3C2410_GPIO_H_START + (_nr))
#define S3C2410_GPJ(_nr) (S3C2410_GPIO_J_START + (_nr))
#define S3C2410_GPK(_nr) (S3C2410_GPIO_K_START + (_nr))
#define S3C2410_GPL(_nr) (S3C2410_GPIO_L_START + (_nr))
#define S3C2410_GPM(_nr) (S3C2410_GPIO_M_START + (_nr))
/* compatibility until drivers can be modified */

25
arch/arm/mach-s3c2410/include/mach/irqs.h
View File

@ -115,6 +115,26 @@
#define IRQ_S3C2412_SDI S3C2410_IRQSUB(13)
#define IRQ_S3C2412_CF S3C2410_IRQSUB(14)
#define IRQ_S3C2416_EINT8t15 S3C2410_IRQ(5)
#define IRQ_S3C2416_DMA S3C2410_IRQ(17)
#define IRQ_S3C2416_UART3 S3C2410_IRQ(18)
#define IRQ_S3C2416_SDI1 S3C2410_IRQ(20)
#define IRQ_S3C2416_SDI0 S3C2410_IRQ(21)
#define IRQ_S3C2416_LCD2 S3C2410_IRQSUB(15)
#define IRQ_S3C2416_LCD3 S3C2410_IRQSUB(16)
#define IRQ_S3C2416_LCD4 S3C2410_IRQSUB(17)
#define IRQ_S3C2416_DMA0 S3C2410_IRQSUB(18)
#define IRQ_S3C2416_DMA1 S3C2410_IRQSUB(19)
#define IRQ_S3C2416_DMA2 S3C2410_IRQSUB(20)
#define IRQ_S3C2416_DMA3 S3C2410_IRQSUB(21)
#define IRQ_S3C2416_DMA4 S3C2410_IRQSUB(22)
#define IRQ_S3C2416_DMA5 S3C2410_IRQSUB(23)
#define IRQ_S32416_WDT S3C2410_IRQSUB(27)
#define IRQ_S32416_AC97 S3C2410_IRQSUB(28)
/* extra irqs for s3c2440 */
#define IRQ_S3C2440_CAM_C S3C2410_IRQSUB(11) /* S3C2443 too */
@ -130,7 +150,10 @@
#define IRQ_S3C2443_HSMMC S3C2410_IRQ(20) /* IRQ_SDI */
#define IRQ_S3C2443_NAND S3C2410_IRQ(24) /* reserved */
#define IRQ_S3C2416_HSMMC0 S3C2410_IRQ(21) /* S3C2416/S3C2450 */
#define IRQ_HSMMC0 IRQ_S3C2443_HSMMC
#define IRQ_HSMMC1 IRQ_S3C2416_HSMMC0
#define IRQ_S3C2443_LCD1 S3C2410_IRQSUB(14)
#define IRQ_S3C2443_LCD2 S3C2410_IRQSUB(15)
@ -152,7 +175,7 @@
#define IRQ_S3C2443_WDT S3C2410_IRQSUB(27)
#define IRQ_S3C2443_AC97 S3C2410_IRQSUB(28)
#ifdef CONFIG_CPU_S3C2443
#if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
#define NR_IRQS (IRQ_S3C2443_AC97+1)
#else
#define NR_IRQS (IRQ_S3C2440_AC97+1)

5
arch/arm/mach-s3c2410/include/mach/map.h
View File

@ -63,9 +63,9 @@
#define S3C2440_PA_AC97 (0x5B000000)
#define S3C2440_SZ_AC97 SZ_1M
/* S3C2443 High-speed SD/MMC */
/* S3C2443/S3C2416 High-speed SD/MMC */
#define S3C2443_PA_HSMMC (0x4A800000)
#define S3C2443_SZ_HSMMC (256)
#define S3C2416_PA_HSMMC0 (0x4AC00000)
/* S3C2412 memory and IO controls */
#define S3C2412_PA_SSMC (0x4F000000)
@ -110,6 +110,7 @@
#define S3C_PA_UART S3C24XX_PA_UART
#define S3C_PA_USBHOST S3C2410_PA_USBHOST
#define S3C_PA_HSMMC0 S3C2443_PA_HSMMC
#define S3C_PA_HSMMC1 S3C2416_PA_HSMMC0
#define S3C_PA_NAND S3C24XX_PA_NAND
#endif /* __ASM_ARCH_MAP_H */

2
arch/arm/mach-s3c2410/include/mach/regs-clock.h
View File

@ -161,4 +161,6 @@
#endif /* CONFIG_CPU_S3C2412 | CONFIG_CPU_S3C2413 */
#define S3C2416_CLKDIV2 S3C2410_CLKREG(0x28)
#endif /* __ASM_ARM_REGS_CLOCK */

36
arch/arm/mach-s3c2410/include/mach/regs-dsc.h
View File

@ -19,6 +19,42 @@
#define S3C2412_DSC1 S3C2410_GPIOREG(0xe0)
#endif
#if defined(CONFIG_CPU_S3C2416)
#define S3C2416_DSC0 S3C2410_GPIOREG(0xc0)
#define S3C2416_DSC1 S3C2410_GPIOREG(0xc4)
#define S3C2416_DSC2 S3C2410_GPIOREG(0xc8)
#define S3C2416_DSC3 S3C2410_GPIOREG(0x110)
#define S3C2416_SELECT_DSC0 (0 << 30)
#define S3C2416_SELECT_DSC1 (1 << 30)
#define S3C2416_SELECT_DSC2 (2 << 30)
#define S3C2416_SELECT_DSC3 (3 << 30)
#define S3C2416_DSC_GETSHIFT(x) (x & 30)
#define S3C2416_DSC0_CF (S3C2416_SELECT_DSC0 | 28)
#define S3C2416_DSC0_CF_5mA (0 << 28)
#define S3C2416_DSC0_CF_10mA (1 << 28)
#define S3C2416_DSC0_CF_15mA (2 << 28)
#define S3C2416_DSC0_CF_21mA (3 << 28)
#define S3C2416_DSC0_CF_MASK (3 << 28)
#define S3C2416_DSC0_nRBE (S3C2416_SELECT_DSC0 | 26)
#define S3C2416_DSC0_nRBE_5mA (0 << 26)
#define S3C2416_DSC0_nRBE_10mA (1 << 26)
#define S3C2416_DSC0_nRBE_15mA (2 << 26)
#define S3C2416_DSC0_nRBE_21mA (3 << 26)
#define S3C2416_DSC0_nRBE_MASK (3 << 26)
#define S3C2416_DSC0_nROE (S3C2416_SELECT_DSC0 | 24)
#define S3C2416_DSC0_nROE_5mA (0 << 24)
#define S3C2416_DSC0_nROE_10mA (1 << 24)
#define S3C2416_DSC0_nROE_15mA (2 << 24)
#define S3C2416_DSC0_nROE_21mA (3 << 24)
#define S3C2416_DSC0_nROE_MASK (3 << 24)
#endif
#if defined(CONFIG_CPU_S3C244X)
#define S3C2440_DSC0 S3C2410_GPIOREG(0xc4)

45
arch/arm/mach-s3c2410/include/mach/regs-gpio.h
View File

@ -610,35 +610,73 @@
#define S3C2410_GPHUP S3C2410_GPIOREG(0x78)
#define S3C2410_GPH0_nCTS0 (0x02 << 0)
#define S3C2416_GPH0_TXD0 (0x02 << 0)
#define S3C2410_GPH1_nRTS0 (0x02 << 2)
#define S3C2416_GPH1_RXD0 (0x02 << 2)
#define S3C2410_GPH2_TXD0 (0x02 << 4)
#define S3C2416_GPH2_TXD1 (0x02 << 4)
#define S3C2410_GPH3_RXD0 (0x02 << 6)
#define S3C2416_GPH3_RXD1 (0x02 << 6)
#define S3C2410_GPH4_TXD1 (0x02 << 8)
#define S3C2416_GPH4_TXD2 (0x02 << 8)
#define S3C2410_GPH5_RXD1 (0x02 << 10)
#define S3C2416_GPH5_RXD2 (0x02 << 10)
#define S3C2410_GPH6_TXD2 (0x02 << 12)
#define S3C2416_GPH6_TXD3 (0x02 << 12)
#define S3C2410_GPH6_nRTS1 (0x03 << 12)
#define S3C2416_GPH6_nRTS2 (0x03 << 12)
#define S3C2410_GPH7_RXD2 (0x02 << 14)
#define S3C2416_GPH7_RXD3 (0x02 << 14)
#define S3C2410_GPH7_nCTS1 (0x03 << 14)
#define S3C2416_GPH7_nCTS2 (0x03 << 14)
#define S3C2410_GPH8_UCLK (0x02 << 16)
#define S3C2416_GPH8_nCTS0 (0x02 << 16)
#define S3C2410_GPH9_CLKOUT0 (0x02 << 18)
#define S3C2442_GPH9_nSPICS0 (0x03 << 18)
#define S3C2416_GPH9_nRTS0 (0x02 << 18)
#define S3C2410_GPH10_CLKOUT1 (0x02 << 20)
#define S3C2416_GPH10_nCTS1 (0x02 << 20)
#define S3C2416_GPH11_nRTS1 (0x02 << 22)
#define S3C2416_GPH12_EXTUARTCLK (0x02 << 24)
#define S3C2416_GPH13_CLKOUT0 (0x02 << 26)
#define S3C2416_GPH14_CLKOUT1 (0x02 << 28)
/* The S3C2412 and S3C2413 move the GPJ register set to after
* GPH, which means all registers after 0x80 are now offset by 0x10
* for the 2412/2413 from the 2410/2440/2442
*/
/* S3C2443 and above */
#define S3C2440_GPJCON S3C2410_GPIOREG(0xD0)
#define S3C2440_GPJDAT S3C2410_GPIOREG(0xD4)
#define S3C2440_GPJUP S3C2410_GPIOREG(0xD8)
#define S3C2443_GPKCON S3C2410_GPIOREG(0xE0)
#define S3C2443_GPKDAT S3C2410_GPIOREG(0xE4)
#define S3C2443_GPKUP S3C2410_GPIOREG(0xE8)
#define S3C2443_GPLCON S3C2410_GPIOREG(0xF0)
#define S3C2443_GPLDAT S3C2410_GPIOREG(0xF4)
#define S3C2443_GPLUP S3C2410_GPIOREG(0xF8)
#define S3C2443_GPMCON S3C2410_GPIOREG(0x100)
#define S3C2443_GPMDAT S3C2410_GPIOREG(0x104)
#define S3C2443_GPMUP S3C2410_GPIOREG(0x108)
/* miscellaneous control */
#define S3C2400_MISCCR S3C2410_GPIOREG(0x54)
#define S3C2410_MISCCR S3C2410_GPIOREG(0x80)
@ -686,6 +724,7 @@
#define S3C2412_MISCCR_CLK1_CLKsrc (0<<8)
#define S3C2410_MISCCR_USBSUSPND0 (1<<12)
#define S3C2416_MISCCR_SEL_SUSPND (1<<12)
#define S3C2410_MISCCR_USBSUSPND1 (1<<13)
#define S3C2410_MISCCR_nRSTCON (1<<16)
@ -695,6 +734,9 @@
#define S3C2410_MISCCR_nEN_SCLKE (1<<19) /* not 2412 */
#define S3C2410_MISCCR_SDSLEEP (7<<17)
#define S3C2416_MISCCR_FLT_I2C (1<<24)
#define S3C2416_MISCCR_HSSPI_EN2 (1<<31)
/* external interrupt control... */
/* S3C2410_EXTINT0 -> irq sense control for EINT0..EINT7
* S3C2410_EXTINT1 -> irq sense control for EINT8..EINT15
@ -762,8 +804,11 @@
#define S3C2410_GSTATUS1_IDMASK (0xffff0000)
#define S3C2410_GSTATUS1_2410 (0x32410000)
#define S3C2410_GSTATUS1_2412 (0x32412001)
#define S3C2410_GSTATUS1_2416 (0x32416003)
#define S3C2410_GSTATUS1_2440 (0x32440000)
#define S3C2410_GSTATUS1_2442 (0x32440aaa)
/* some 2416 CPUs report this value also */
#define S3C2410_GSTATUS1_2450 (0x32450003)
#define S3C2410_GSTATUS2_WTRESET (1<<2)
#define S3C2410_GSTATUS2_OFFRESET (1<<1)

36
arch/arm/mach-s3c2410/include/mach/regs-gpioj.h
View File

@ -22,85 +22,49 @@
* pull up works like all other ports.
*/
#define S3C2440_GPIO_BANKJ (416)
#define S3C2440_GPJCON S3C2410_GPIOREG(0xd0)
#define S3C2440_GPJDAT S3C2410_GPIOREG(0xd4)
#define S3C2440_GPJUP S3C2410_GPIOREG(0xd8)
#define S3C2413_GPJCON S3C2410_GPIOREG(0x80)
#define S3C2413_GPJDAT S3C2410_GPIOREG(0x84)
#define S3C2413_GPJUP S3C2410_GPIOREG(0x88)
#define S3C2413_GPJSLPCON S3C2410_GPIOREG(0x8C)
#define S3C2440_GPJ0 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 0)
#define S3C2440_GPJ0_INP (0x00 << 0)
#define S3C2440_GPJ0_OUTP (0x01 << 0)
#define S3C2440_GPJ0_CAMDATA0 (0x02 << 0)
#define S3C2440_GPJ1 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 1)
#define S3C2440_GPJ1_INP (0x00 << 2)
#define S3C2440_GPJ1_OUTP (0x01 << 2)
#define S3C2440_GPJ1_CAMDATA1 (0x02 << 2)
#define S3C2440_GPJ2 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 2)
#define S3C2440_GPJ2_INP (0x00 << 4)
#define S3C2440_GPJ2_OUTP (0x01 << 4)
#define S3C2440_GPJ2_CAMDATA2 (0x02 << 4)
#define S3C2440_GPJ3 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 3)
#define S3C2440_GPJ3_INP (0x00 << 6)
#define S3C2440_GPJ3_OUTP (0x01 << 6)
#define S3C2440_GPJ3_CAMDATA3 (0x02 << 6)
#define S3C2440_GPJ4 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 4)
#define S3C2440_GPJ4_INP (0x00 << 8)
#define S3C2440_GPJ4_OUTP (0x01 << 8)
#define S3C2440_GPJ4_CAMDATA4 (0x02 << 8)
#define S3C2440_GPJ5 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 5)
#define S3C2440_GPJ5_INP (0x00 << 10)
#define S3C2440_GPJ5_OUTP (0x01 << 10)
#define S3C2440_GPJ5_CAMDATA5 (0x02 << 10)
#define S3C2440_GPJ6 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 6)
#define S3C2440_GPJ6_INP (0x00 << 12)
#define S3C2440_GPJ6_OUTP (0x01 << 12)
#define S3C2440_GPJ6_CAMDATA6 (0x02 << 12)
#define S3C2440_GPJ7 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 7)
#define S3C2440_GPJ7_INP (0x00 << 14)
#define S3C2440_GPJ7_OUTP (0x01 << 14)
#define S3C2440_GPJ7_CAMDATA7 (0x02 << 14)
#define S3C2440_GPJ8 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 8)
#define S3C2440_GPJ8_INP (0x00 << 16)
#define S3C2440_GPJ8_OUTP (0x01 << 16)
#define S3C2440_GPJ8_CAMPCLK (0x02 << 16)
#define S3C2440_GPJ9 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 9)
#define S3C2440_GPJ9_INP (0x00 << 18)
#define S3C2440_GPJ9_OUTP (0x01 << 18)
#define S3C2440_GPJ9_CAMVSYNC (0x02 << 18)
#define S3C2440_GPJ10 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 10)
#define S3C2440_GPJ10_INP (0x00 << 20)
#define S3C2440_GPJ10_OUTP (0x01 << 20)
#define S3C2440_GPJ10_CAMHREF (0x02 << 20)
#define S3C2440_GPJ11 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 11)
#define S3C2440_GPJ11_INP (0x00 << 22)
#define S3C2440_GPJ11_OUTP (0x01 << 22)
#define S3C2440_GPJ11_CAMCLKOUT (0x02 << 22)
#define S3C2440_GPJ12 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 12)
#define S3C2440_GPJ12_INP (0x00 << 24)
#define S3C2440_GPJ12_OUTP (0x01 << 24)
#define S3C2440_GPJ12_CAMRESET (0x02 << 24)
#define S3C2443_GPJ13 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 13)
#define S3C2443_GPJ14 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 14)
#define S3C2443_GPJ15 S3C2410_GPIONO(S3C2440_GPIO_BANKJ, 15)
#endif /* __ASM_ARCH_REGS_GPIOJ_H */

10
arch/arm/mach-s3c2410/include/mach/regs-irq.h
View File

@ -27,6 +27,16 @@
#define S3C2410_SUBSRCPND S3C2410_IRQREG(0x018)
#define S3C2410_INTSUBMSK S3C2410_IRQREG(0x01C)
#define S3C2416_PRIORITY_MODE1 S3C2410_IRQREG(0x030)
#define S3C2416_PRIORITY_UPDATE1 S3C2410_IRQREG(0x034)
#define S3C2416_SRCPND2 S3C2410_IRQREG(0x040)
#define S3C2416_INTMOD2 S3C2410_IRQREG(0x044)
#define S3C2416_INTMSK2 S3C2410_IRQREG(0x048)
#define S3C2416_INTPND2 S3C2410_IRQREG(0x050)
#define S3C2416_INTOFFSET2 S3C2410_IRQREG(0x054)
#define S3C2416_PRIORITY_MODE2 S3C2410_IRQREG(0x070)
#define S3C2416_PRIORITY_UPDATE2 S3C2410_IRQREG(0x074)
/* mask: 0=enable, 1=disable
* 1 bit EINT, 4=EINT4, 23=EINT23
* EINT0,1,2,3 are not handled here.

30
arch/arm/mach-s3c2410/include/mach/regs-s3c2416-mem.h Normal file
View File

@ -0,0 +1,30 @@
/* arch/arm/mach-s3c2410/include/mach/regs-s3c2416-mem.h
*
* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
* as part of OpenInkpot project
* Copyright (c) 2009 Promwad Innovation Company
* Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
*
* 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.
*
* S3C2416 memory register definitions
*/
#ifndef __ASM_ARM_REGS_S3C2416_MEM
#define __ASM_ARM_REGS_S3C2416_MEM
#ifndef S3C2416_MEMREG
#define S3C2416_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x))
#endif
#define S3C2416_BANKCFG S3C2416_MEMREG(0x00)
#define S3C2416_BANKCON1 S3C2416_MEMREG(0x04)
#define S3C2416_BANKCON2 S3C2416_MEMREG(0x08)
#define S3C2416_BANKCON3 S3C2416_MEMREG(0x0C)
#define S3C2416_REFRESH S3C2416_MEMREG(0x10)
#define S3C2416_TIMEOUT S3C2416_MEMREG(0x14)
#endif /* __ASM_ARM_REGS_S3C2416_MEM */

24
arch/arm/mach-s3c2410/include/mach/regs-s3c2416.h Normal file
View File

@ -0,0 +1,24 @@
/* arch/arm/mach-s3c2410/include/mach/regs-s3c2416.h
*
* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
* as part of OpenInkpot project
* Copyright (c) 2009 Promwad Innovation Company
* Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
*
* 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.
*
* S3C2416 specific register definitions
*/
#ifndef __ASM_ARCH_REGS_S3C2416_H
#define __ASM_ARCH_REGS_S3C2416_H "s3c2416"
#define S3C2416_SWRST (S3C24XX_VA_CLKPWR + 0x44)
#define S3C2416_SWRST_RESET (0x533C2416)
/* see regs-power.h for the other registers in the power block. */
#endif /* __ASM_ARCH_REGS_S3C2416_H */

4
arch/arm/mach-s3c2410/include/mach/uncompress.h
View File

@ -40,7 +40,9 @@ static void arch_detect_cpu(void)
cpuid &= S3C2410_GSTATUS1_IDMASK;
if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 ||
cpuid == S3C2410_GSTATUS1_2442) {
cpuid == S3C2410_GSTATUS1_2442 ||
cpuid == S3C2410_GSTATUS1_2416 ||
cpuid == S3C2410_GSTATUS1_2450) {
fifo_mask = S3C2440_UFSTAT_TXMASK;
fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
} else {

5
arch/arm/mach-s3c2410/mach-amlm5900.c
View File

@ -56,6 +56,7 @@
#include <plat/iic.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/gpio-cfg.h>
#ifdef CONFIG_MTD_PARTITIONS
@ -225,8 +226,8 @@ static void amlm5900_init_pm(void)
} else {
enable_irq_wake(IRQ_EINT9);
/* configure the suspend/resume status pin */
s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_pullup(S3C2410_GPF(2), 0);
s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_UP);
}
}
static void __init amlm5900_init(void)

9
arch/arm/mach-s3c2410/mach-bast.c
View File

@ -61,6 +61,7 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/cpu-freq.h>
#include <plat/gpio-cfg.h>
#include <plat/audio-simtec.h>
#include "usb-simtec.h"
@ -216,15 +217,13 @@ static struct s3c2410_uartcfg bast_uartcfgs[] __initdata = {
static int bast_pm_suspend(struct sys_device *sd, pm_message_t state)
{
/* ensure that an nRESET is not generated on resume. */
s3c2410_gpio_setpin(S3C2410_GPA(21), 1);
s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPIO_OUTPUT);
gpio_direction_output(S3C2410_GPA(21), 1);
return 0;
}
static int bast_pm_resume(struct sys_device *sd)
{
s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
return 0;
}
@ -658,6 +657,8 @@ static void __init bast_init(void)
nor_simtec_init();
simtec_audio_add(NULL, true, &bast_audio);
WARN_ON(gpio_request(S3C2410_GPA(21), "bast nreset"));
s3c_cpufreq_setboard(&bast_cpufreq);
}

20
arch/arm/mach-s3c2410/mach-h1940.c
View File

@ -50,6 +50,7 @@
#include <plat/udc.h>
#include <plat/iic.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
@ -207,16 +208,16 @@ static int h1940_backlight_init(struct device *dev)
{
gpio_request(S3C2410_GPB(0), "Backlight");
s3c2410_gpio_setpin(S3C2410_GPB(0), 0);
s3c2410_gpio_pullup(S3C2410_GPB(0), 0);
s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
gpio_direction_output(S3C2410_GPB(0), 0);
s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
return 0;
}
static void h1940_backlight_exit(struct device *dev)
{
s3c2410_gpio_cfgpin(S3C2410_GPB(0), 1/*S3C2410_GPB0_OUTP*/);
gpio_direction_output(S3C2410_GPB(0), 1);
}
static struct platform_pwm_backlight_data backlight_data = {
@ -245,18 +246,18 @@ static void h1940_lcd_power_set(struct plat_lcd_data *pd,
if (!power) {
/* set to 3ec */
s3c2410_gpio_setpin(S3C2410_GPC(0), 0);
gpio_direction_output(S3C2410_GPC(0), 0);
/* wait for 3ac */
do {
value = s3c2410_gpio_getpin(S3C2410_GPC(6));
value = gpio_get_value(S3C2410_GPC(6));
} while (value);
/* set to 38c */
s3c2410_gpio_setpin(S3C2410_GPC(5), 0);
gpio_direction_output(S3C2410_GPC(5), 0);
} else {
/* Set to 3ac */
s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
gpio_direction_output(S3C2410_GPC(5), 1);
/* Set to 3ad */
s3c2410_gpio_setpin(S3C2410_GPC(0), 1);
gpio_direction_output(S3C2410_GPC(0), 1);
}
}
@ -332,6 +333,7 @@ static void __init h1940_init(void)
gpio_request(S3C2410_GPC(5), "LCD power");
gpio_request(S3C2410_GPC(6), "LCD power");
gpio_direction_input(S3C2410_GPC(6));
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
}

7
arch/arm/mach-s3c2410/mach-n30.c
View File

@ -86,10 +86,10 @@ static void n30_udc_pullup(enum s3c2410_udc_cmd_e cmd)
{
switch (cmd) {
case S3C2410_UDC_P_ENABLE :
s3c2410_gpio_setpin(S3C2410_GPB(3), 1);
gpio_set_value(S3C2410_GPB(3), 1);
break;
case S3C2410_UDC_P_DISABLE :
s3c2410_gpio_setpin(S3C2410_GPB(3), 0);
gpio_set_value(S3C2410_GPB(3), 0);
break;
case S3C2410_UDC_P_RESET :
break;
@ -536,6 +536,9 @@ static void __init n30_init(void)
platform_add_devices(n35_devices, ARRAY_SIZE(n35_devices));
}
WARN_ON(gpio_request(S3C2410_GPB(3), "udc pup"));
gpio_direction_output(S3C2410_GPB(3), 0);
}
MACHINE_START(N30, "Acer-N30")

10
arch/arm/mach-s3c2410/mach-qt2410.c
View File

@ -58,6 +58,7 @@
#include <plat/iic.h>
#include <plat/common-smdk.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pm.h>
@ -219,10 +220,10 @@ static void spi_gpio_cs(struct s3c2410_spigpio_info *spi, int cs)
{
switch (cs) {
case BITBANG_CS_ACTIVE:
s3c2410_gpio_setpin(S3C2410_GPB(5), 0);
gpio_set_value(S3C2410_GPB(5), 0);
break;
case BITBANG_CS_INACTIVE:
s3c2410_gpio_setpin(S3C2410_GPB(5), 1);
gpio_set_value(S3C2410_GPB(5), 1);
break;
}
}
@ -347,13 +348,14 @@ static void __init qt2410_machine_init(void)
}
s3c24xx_fb_set_platdata(&qt2410_fb_info);
s3c2410_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPB(0), 1);
s3c24xx_udc_set_platdata(&qt2410_udc_cfg);
s3c_i2c0_set_platdata(NULL);
s3c2410_gpio_cfgpin(S3C2410_GPB(5), S3C2410_GPIO_OUTPUT);
WARN_ON(gpio_request(S3C2410_GPB(5), "spi cs"));
gpio_direction_output(S3C2410_GPB(5), 1);
platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices));
s3c_pm_init();

5
arch/arm/mach-s3c2410/mach-vr1000.c
View File

@ -357,8 +357,7 @@ static struct clk *vr1000_clocks[] __initdata = {
static void vr1000_power_off(void)
{
s3c2410_gpio_cfgpin(S3C2410_GPB(9), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPB(9), 1);
gpio_direction_output(S3C2410_GPB(9), 1);
}
static void __init vr1000_map_io(void)
@ -395,6 +394,8 @@ static void __init vr1000_init(void)
nor_simtec_init();
simtec_audio_add(NULL, true, NULL);
WARN_ON(gpio_request(S3C2410_GPB(9), "power off"));
}
MACHINE_START(VR1000, "Thorcom-VR1000")

8
arch/arm/mach-s3c2410/s3c2410.c
View File

@ -16,6 +16,7 @@
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/clk.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
@ -40,6 +41,10 @@
#include <plat/clock.h>
#include <plat/pll.h>
#include <plat/gpio-core.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
/* Initial IO mappings */
static struct map_desc s3c2410_iodesc[] __initdata = {
@ -65,6 +70,9 @@ void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no)
void __init s3c2410_map_io(void)
{
s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up;
s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up;
iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
}

3
arch/arm/mach-s3c2412/Kconfig
View File

@ -16,7 +16,8 @@ config CPU_S3C2412
config CPU_S3C2412_ONLY
bool
depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \
!CPU_S3C2440 && !CPU_S3C2442 && !CPU_S3C2443 && CPU_S3C2412
!CPU_2416 && !CPU_S3C2440 && !CPU_S3C2442 && \
!CPU_S3C2443 && CPU_S3C2412
default y if CPU_S3C2412
config S3C2412_DMA

26
arch/arm/mach-s3c2412/mach-jive.c
View File

@ -48,6 +48,7 @@
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
@ -357,8 +358,7 @@ static void jive_lcm_reset(unsigned int set)
{
printk(KERN_DEBUG "%s(%d)\n", __func__, set);
s3c2410_gpio_setpin(S3C2410_GPG(13), set);
s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_OUTPUT);
gpio_set_value(S3C2410_GPG(13), set);
}
#undef LCD_UPPER_MARGIN
@ -391,7 +391,7 @@ static struct ili9320_platdata jive_lcm_config = {
static void jive_lcd_spi_chipselect(struct s3c2410_spigpio_info *spi, int cs)
{
s3c2410_gpio_setpin(S3C2410_GPB(7), cs ? 0 : 1);
gpio_set_value(S3C2410_GPB(7), cs ? 0 : 1);
}
static struct s3c2410_spigpio_info jive_lcd_spi = {
@ -413,7 +413,7 @@ static struct platform_device jive_device_lcdspi = {
static void jive_wm8750_chipselect(struct s3c2410_spigpio_info *spi, int cs)
{
s3c2410_gpio_setpin(S3C2410_GPH(10), cs ? 0 : 1);
gpio_set_value(S3C2410_GPH(10), cs ? 0 : 1);
}
static struct s3c2410_spigpio_info jive_wm8750_spi = {
@ -531,7 +531,7 @@ static void jive_power_off(void)
printk(KERN_INFO "powering system down...\n");
s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
s3c2410_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT);
}
static void __init jive_machine_init(void)
@ -636,22 +636,22 @@ static void __init jive_machine_init(void)
/* initialise the spi */
s3c2410_gpio_setpin(S3C2410_GPG(13), 0);
s3c2410_gpio_cfgpin(S3C2410_GPG(13), S3C2410_GPIO_OUTPUT);
gpio_request(S3C2410_GPG(13), "lcm reset");
gpio_direction_output(S3C2410_GPG(13), 0);
s3c2410_gpio_setpin(S3C2410_GPB(7), 1);
s3c2410_gpio_cfgpin(S3C2410_GPB(7), S3C2410_GPIO_OUTPUT);
gpio_request(S3C2410_GPB(7), "jive spi");
gpio_direction_output(S3C2410_GPB(7), 1);
s3c2410_gpio_setpin(S3C2410_GPB(6), 0);
s3c2410_gpio_cfgpin(S3C2410_GPB(6), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPB(6), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPG(8), 1);
s3c2410_gpio_cfgpin(S3C2410_GPG(8), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPG(8), S3C2410_GPIO_OUTPUT);
/* initialise the WM8750 spi */
s3c2410_gpio_setpin(S3C2410_GPH(10), 1);
s3c2410_gpio_cfgpin(S3C2410_GPH(10), S3C2410_GPIO_OUTPUT);
gpio_request(S3C2410_GPH(10), "jive wm8750 spi");
gpio_direction_output(S3C2410_GPH(10), 1);
/* Turn off suspend on both USB ports, and switch the
* selectable USB port to USB device mode. */

8
arch/arm/mach-s3c2412/mach-smdk2413.c
View File

@ -85,10 +85,10 @@ static void smdk2413_udc_pullup(enum s3c2410_udc_cmd_e cmd)
switch (cmd)
{
case S3C2410_UDC_P_ENABLE :
s3c2410_gpio_setpin(S3C2410_GPF(2), 1);
gpio_set_value(S3C2410_GPF(2), 1);
break;
case S3C2410_UDC_P_DISABLE :
s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
gpio_set_value(S3C2410_GPF(2), 0);
break;
case S3C2410_UDC_P_RESET :
break;
@ -134,8 +134,8 @@ static void __init smdk2413_machine_init(void)
{ /* Turn off suspend on both USB ports, and switch the
* selectable USB port to USB device mode. */
s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT);
WARN_ON(gpio_request(S3C2410_GPF(2), "udc pull"));
gpio_direction_output(S3C2410_GPF(2), 0);
s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
S3C2410_MISCCR_USBSUSPND0 |

38
arch/arm/mach-s3c2416/Kconfig Normal file
View File

@ -0,0 +1,38 @@
# arch/arm/mach-s3c2416/Kconfig
#
# Copyright 2009 Yauhen Kharuzhy <jekhor@gmail.com>
#
# Licensed under GPLv2
# note, this also supports the S3C2450 which is so similar it has the same
# ID code as the S3C2416.
config CPU_S3C2416
bool
depends on ARCH_S3C2410
select CPU_ARM926T
select S3C2416_DMA if S3C2410_DMA
select CPU_LLSERIAL_S3C2440
select S3C_GPIO_PULL_UPDOWN
select SAMSUNG_CLKSRC
select S3C2443_CLOCK
help
Support for the S3C2416 SoC from the S3C24XX line
config S3C2416_DMA
bool
depends on CPU_S3C2416
help
Internal config node for S3C2416 DMA support
menu "S3C2416 Machines"
config MACH_SMDK2416
bool "SMDK2416"
select CPU_S3C2416
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC1
help
Say Y here if you are using an SMDK2416
endmenu

19
arch/arm/mach-s3c2416/Makefile Normal file
View File

@ -0,0 +1,19 @@
# arch/arm/mach-s3c2416/Makefile
#
# Copyright 2009 Yauhen Kharuzhy <jekhor@gmail.com>
#
# Licensed under GPLv2
obj-y :=
obj-m :=
obj-n :=
obj- :=
obj-$(CONFIG_CPU_S3C2416) += s3c2416.o clock.o
obj-$(CONFIG_CPU_S3C2416) += irq.o
#obj-$(CONFIG_S3C2416_DMA) += dma.o
# Machine support
obj-$(CONFIG_MACH_SMDK2416) += mach-smdk2416.o

135
arch/arm/mach-s3c2416/clock.c Normal file
View File

@ -0,0 +1,135 @@
/* linux/arch/arm/mach-s3c2416/clock.c
*
* Copyright (c) 2010 Simtec Electronics
* Copyright (c) 2010 Ben Dooks <ben-linux@fluff.org>
*
* S3C2416 Clock control support
*
* 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.
*/
#include <linux/init.h>
#include <linux/clk.h>
#include <plat/s3c2416.h>
#include <plat/s3c2443.h>
#include <plat/clock.h>
#include <plat/clock-clksrc.h>
#include <plat/cpu.h>
#include <plat/cpu-freq.h>
#include <plat/pll6553x.h>
#include <plat/pll.h>
#include <asm/mach/map.h>
#include <mach/regs-clock.h>
#include <mach/regs-s3c2443-clock.h>
static unsigned int armdiv[8] = {
[0] = 1,
[1] = 2,
[2] = 3,
[3] = 4,
[5] = 6,
[7] = 8,
};
/* ID to hardware numbering, 0 is HSMMC1, 1 is HSMMC0 */
static struct clksrc_clk hsmmc_div[] = {
[0] = {
.clk = {
.name = "hsmmc-div",
.id = 1,
.parent = &clk_esysclk.clk,
},
.reg_div = { .reg = S3C2416_CLKDIV2, .size = 2, .shift = 6 },
},
[1] = {
.clk = {
.name = "hsmmc-div",
.id = 0,
.parent = &clk_esysclk.clk,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 },
},
};
static struct clksrc_clk hsmmc_mux[] = {
[0] = {
.clk = {
.id = 1,
.name = "hsmmc-if",
.ctrlbit = (1 << 6),
.enable = s3c2443_clkcon_enable_s,
},
.sources = &(struct clksrc_sources) {
.nr_sources = 2,
.sources = (struct clk *[]) {
[0] = &hsmmc_div[0].clk,
[1] = NULL, /* to fix */
},
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 16 },
},
[1] = {
.clk = {
.id = 0,
.name = "hsmmc-if",
.ctrlbit = (1 << 12),
.enable = s3c2443_clkcon_enable_s,
},
.sources = &(struct clksrc_sources) {
.nr_sources = 2,
.sources = (struct clk *[]) {
[0] = &hsmmc_div[1].clk,
[1] = NULL, /* to fix */
},
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 17 },
},
};
static inline unsigned int s3c2416_fclk_div(unsigned long clkcon0)
{
clkcon0 &= 7 << S3C2443_CLKDIV0_ARMDIV_SHIFT;
return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT];
}
void __init_or_cpufreq s3c2416_setup_clocks(void)
{
s3c2443_common_setup_clocks(s3c2416_get_pll, s3c2416_fclk_div);
}
static struct clksrc_clk *clksrcs[] __initdata = {
&hsmmc_div[0],
&hsmmc_div[1],
&hsmmc_mux[0],
&hsmmc_mux[1],
};
void __init s3c2416_init_clocks(int xtal)
{
u32 epllcon = __raw_readl(S3C2443_EPLLCON);
u32 epllcon1 = __raw_readl(S3C2443_EPLLCON+4);
int ptr;
/* s3c2416 EPLL compatible with s3c64xx */
clk_epll.rate = s3c_get_pll6553x(xtal, epllcon, epllcon1);
clk_epll.parent = &clk_epllref.clk;
s3c2443_common_init_clocks(xtal, s3c2416_get_pll, s3c2416_fclk_div);
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
s3c_register_clksrc(clksrcs[ptr], 1);
s3c_pwmclk_init();
}

254
arch/arm/mach-s3c2416/irq.c Normal file
View File

@ -0,0 +1,254 @@
/* linux/arch/arm/mach-s3c2416/irq.c
*
* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
* as part of OpenInkpot project
* Copyright (c) 2009 Promwad Innovation Company
* Yauhen Kharuzhy <yauhen.kharuzhy@promwad.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
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/sysdev.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach/irq.h>
#include <mach/regs-irq.h>
#include <mach/regs-gpio.h>
#include <plat/cpu.h>
#include <plat/pm.h>
#include <plat/irq.h>
#define INTMSK(start, end) ((1 << ((end) + 1 - (start))) - 1)
static inline void s3c2416_irq_demux(unsigned int irq, unsigned int len)
{
unsigned int subsrc, submsk;
unsigned int end;
/* read the current pending interrupts, and the mask
* for what it is available */
subsrc = __raw_readl(S3C2410_SUBSRCPND);
submsk = __raw_readl(S3C2410_INTSUBMSK);
subsrc &= ~submsk;
subsrc >>= (irq - S3C2410_IRQSUB(0));
subsrc &= (1 << len)-1;
end = len + irq;
for (; irq < end && subsrc; irq++) {
if (subsrc & 1)
generic_handle_irq(irq);
subsrc >>= 1;
}
}
/* WDT/AC97 sub interrupts */
static void s3c2416_irq_demux_wdtac97(unsigned int irq, struct irq_desc *desc)
{
s3c2416_irq_demux(IRQ_S3C2443_WDT, 4);
}
#define INTMSK_WDTAC97 (1UL << (IRQ_WDT - IRQ_EINT0))
#define SUBMSK_WDTAC97 INTMSK(IRQ_S3C2443_WDT, IRQ_S3C2443_AC97)
static void s3c2416_irq_wdtac97_mask(unsigned int irqno)
{
s3c_irqsub_mask(irqno, INTMSK_WDTAC97, SUBMSK_WDTAC97);
}
static void s3c2416_irq_wdtac97_unmask(unsigned int irqno)
{
s3c_irqsub_unmask(irqno, INTMSK_WDTAC97);
}
static void s3c2416_irq_wdtac97_ack(unsigned int irqno)
{
s3c_irqsub_maskack(irqno, INTMSK_WDTAC97, SUBMSK_WDTAC97);
}
static struct irq_chip s3c2416_irq_wdtac97 = {
.mask = s3c2416_irq_wdtac97_mask,
.unmask = s3c2416_irq_wdtac97_unmask,
.ack = s3c2416_irq_wdtac97_ack,
};
/* LCD sub interrupts */
static void s3c2416_irq_demux_lcd(unsigned int irq, struct irq_desc *desc)
{
s3c2416_irq_demux(IRQ_S3C2443_LCD1, 4);
}
#define INTMSK_LCD (1UL << (IRQ_LCD - IRQ_EINT0))
#define SUBMSK_LCD INTMSK(IRQ_S3C2443_LCD1, IRQ_S3C2443_LCD4)
static void s3c2416_irq_lcd_mask(unsigned int irqno)
{
s3c_irqsub_mask(irqno, INTMSK_LCD, SUBMSK_LCD);
}
static void s3c2416_irq_lcd_unmask(unsigned int irqno)
{
s3c_irqsub_unmask(irqno, INTMSK_LCD);
}
static void s3c2416_irq_lcd_ack(unsigned int irqno)
{
s3c_irqsub_maskack(irqno, INTMSK_LCD, SUBMSK_LCD);
}
static struct irq_chip s3c2416_irq_lcd = {
.mask = s3c2416_irq_lcd_mask,
.unmask = s3c2416_irq_lcd_unmask,
.ack = s3c2416_irq_lcd_ack,
};
/* DMA sub interrupts */
static void s3c2416_irq_demux_dma(unsigned int irq, struct irq_desc *desc)
{
s3c2416_irq_demux(IRQ_S3C2443_DMA0, 6);
}
#define INTMSK_DMA (1UL << (IRQ_S3C2443_DMA - IRQ_EINT0))
#define SUBMSK_DMA INTMSK(IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5)
static void s3c2416_irq_dma_mask(unsigned int irqno)
{
s3c_irqsub_mask(irqno, INTMSK_DMA, SUBMSK_DMA);
}
static void s3c2416_irq_dma_unmask(unsigned int irqno)
{
s3c_irqsub_unmask(irqno, INTMSK_DMA);
}
static void s3c2416_irq_dma_ack(unsigned int irqno)
{
s3c_irqsub_maskack(irqno, INTMSK_DMA, SUBMSK_DMA);
}
static struct irq_chip s3c2416_irq_dma = {
.mask = s3c2416_irq_dma_mask,
.unmask = s3c2416_irq_dma_unmask,
.ack = s3c2416_irq_dma_ack,
};
/* UART3 sub interrupts */
static void s3c2416_irq_demux_uart3(unsigned int irq, struct irq_desc *desc)
{
s3c2416_irq_demux(IRQ_S3C2443_UART3, 3);
}
#define INTMSK_UART3 (1UL << (IRQ_S3C2443_UART3 - IRQ_EINT0))
#define SUBMSK_UART3 (0xf << (IRQ_S3C2443_RX3 - S3C2410_IRQSUB(0)))
static void s3c2416_irq_uart3_mask(unsigned int irqno)
{
s3c_irqsub_mask(irqno, INTMSK_UART3, SUBMSK_UART3);
}
static void s3c2416_irq_uart3_unmask(unsigned int irqno)
{
s3c_irqsub_unmask(irqno, INTMSK_UART3);
}
static void s3c2416_irq_uart3_ack(unsigned int irqno)
{
s3c_irqsub_maskack(irqno, INTMSK_UART3, SUBMSK_UART3);
}
static struct irq_chip s3c2416_irq_uart3 = {
.mask = s3c2416_irq_uart3_mask,
.unmask = s3c2416_irq_uart3_unmask,
.ack = s3c2416_irq_uart3_ack,
};
/* IRQ initialisation code */
static int __init s3c2416_add_sub(unsigned int base,
void (*demux)(unsigned int,
struct irq_desc *),
struct irq_chip *chip,
unsigned int start, unsigned int end)
{
unsigned int irqno;
set_irq_chip(base, &s3c_irq_level_chip);
set_irq_handler(base, handle_level_irq);
set_irq_chained_handler(base, demux);
for (irqno = start; irqno <= end; irqno++) {
set_irq_chip(irqno, chip);
set_irq_handler(irqno, handle_level_irq);
set_irq_flags(irqno, IRQF_VALID);
}
return 0;
}
static int __init s3c2416_irq_add(struct sys_device *sysdev)
{
printk(KERN_INFO "S3C2416: IRQ Support\n");
s3c2416_add_sub(IRQ_LCD, s3c2416_irq_demux_lcd, &s3c2416_irq_lcd,
IRQ_S3C2443_LCD2, IRQ_S3C2443_LCD4);
s3c2416_add_sub(IRQ_S3C2443_DMA, s3c2416_irq_demux_dma,
&s3c2416_irq_dma, IRQ_S3C2443_DMA0, IRQ_S3C2443_DMA5);
s3c2416_add_sub(IRQ_S3C2443_UART3, s3c2416_irq_demux_uart3,
&s3c2416_irq_uart3,
IRQ_S3C2443_RX3, IRQ_S3C2443_ERR3);
s3c2416_add_sub(IRQ_WDT, s3c2416_irq_demux_wdtac97,
&s3c2416_irq_wdtac97,
IRQ_S3C2443_WDT, IRQ_S3C2443_AC97);
return 0;
}
static struct sysdev_driver s3c2416_irq_driver = {
.add = s3c2416_irq_add,
};
static int __init s3c2416_irq_init(void)
{
return sysdev_driver_register(&s3c2416_sysclass, &s3c2416_irq_driver);
}
arch_initcall(s3c2416_irq_init);

150
arch/arm/mach-s3c2416/mach-smdk2416.c Normal file
View File

@ -0,0 +1,150 @@
/* linux/arch/arm/mach-s3c2416/mach-hanlin_v3c.c
*
* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
* as part of OpenInkpot project
* Copyright (c) 2009 Promwad Innovation Company
* Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
*
* 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/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/mtd/partitions.h>
#include <linux/gpio.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <mach/regs-gpio.h>
#include <mach/regs-lcd.h>
#include <mach/idle.h>
#include <mach/fb.h>
#include <mach/leds-gpio.h>
#include <plat/iic.h>
#include <plat/s3c2416.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/nand.h>
#include <plat/common-smdk.h>
static struct map_desc smdk2416_iodesc[] __initdata = {
/* ISA IO Space map (memory space selected by A24) */
{
.virtual = (u32)S3C24XX_VA_ISA_WORD,
.pfn = __phys_to_pfn(S3C2410_CS2),
.length = 0x10000,
.type = MT_DEVICE,
}, {
.virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000,
.pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
.length = SZ_4M,
.type = MT_DEVICE,
}, {
.virtual = (u32)S3C24XX_VA_ISA_BYTE,
.pfn = __phys_to_pfn(S3C2410_CS2),
.length = 0x10000,
.type = MT_DEVICE,
}, {
.virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
.pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
.length = SZ_4M,
.type = MT_DEVICE,
}
};
#define UCON (S3C2410_UCON_DEFAULT | \
S3C2440_UCON_PCLK | \
S3C2443_UCON_RXERR_IRQEN)
#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
#define UFCON (S3C2410_UFCON_RXTRIG8 | \
S3C2410_UFCON_FIFOMODE | \
S3C2440_UFCON_TXTRIG16)
static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
/* IR port */
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON | 0x50,
.ufcon = UFCON,
}
};
static struct platform_device *smdk2416_devices[] __initdata = {
&s3c_device_wdt,
&s3c_device_ohci,
&s3c_device_i2c0,
&s3c_device_hsmmc0,
&s3c_device_hsmmc1,
};
static void __init smdk2416_map_io(void)
{
s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
}
static void __init smdk2416_machine_init(void)
{
s3c_i2c0_set_platdata(NULL);
gpio_request(S3C2410_GPB(4), "USBHost Power");
gpio_direction_output(S3C2410_GPB(4), 1);
platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
smdk_machine_init();
}
MACHINE_START(SMDK2416, "SMDK2416")
/* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
.phys_io = S3C2410_PA_UART,
.io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C2410_SDRAM_PA + 0x100,
.init_irq = s3c24xx_init_irq,
.map_io = smdk2416_map_io,
.init_machine = smdk2416_machine_init,
.timer = &s3c24xx_timer,
MACHINE_END

128
arch/arm/mach-s3c2416/s3c2416.c Normal file
View File

@ -0,0 +1,128 @@
/* linux/arch/arm/mach-s3c2416/s3c2416.c
*
* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
* as part of OpenInkpot project
* Copyright (c) 2009 Promwad Innovation Company
* Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
*
* Samsung S3C2416 Mobile CPU support
*
* 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 <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/sysdev.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <asm/proc-fns.h>
#include <asm/irq.h>
#include <mach/reset.h>
#include <mach/idle.h>
#include <mach/regs-s3c2443-clock.h>
#include <plat/gpio-core.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
#include <plat/s3c2416.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/iic-core.h>
static struct map_desc s3c2416_iodesc[] __initdata = {
IODESC_ENT(WATCHDOG),
IODESC_ENT(CLKPWR),
IODESC_ENT(TIMER),
};
struct sysdev_class s3c2416_sysclass = {
.name = "s3c2416-core",
};
static struct sys_device s3c2416_sysdev = {
.cls = &s3c2416_sysclass,
};
static void s3c2416_hard_reset(void)
{
__raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
}
int __init s3c2416_init(void)
{
printk(KERN_INFO "S3C2416: Initializing architecture\n");
s3c24xx_reset_hook = s3c2416_hard_reset;
/* s3c24xx_idle = s3c2416_idle; */
/* change WDT IRQ number */
s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
/* the i2c devices are directly compatible with s3c2440 */
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
return sysdev_register(&s3c2416_sysdev);
}
void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
s3c_device_nand.name = "s3c2416-nand";
}
/* s3c2416_map_io
*
* register the standard cpu IO areas, and any passed in from the
* machine specific initialisation.
*/
void __init s3c2416_map_io(void)
{
s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown;
s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown;
iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
}
/* need to register class before we actually register the device, and
* we also need to ensure that it has been initialised before any of the
* drivers even try to use it (even if not on an s3c2416 based system)
* as a driver which may support both 2443 and 2440 may try and use it.
*/
static int __init s3c2416_core_init(void)
{
return sysdev_class_register(&s3c2416_sysclass);
}
core_initcall(s3c2416_core_init);

1
arch/arm/mach-s3c2440/Kconfig
View File

@ -6,6 +6,7 @@ config CPU_S3C2440
bool
depends on ARCH_S3C2410
select CPU_ARM920T
select S3C_GPIO_PULL_UP
select S3C2410_CLOCK
select S3C2410_PM if PM
select S3C2410_GPIO

23
arch/arm/mach-s3c2440/mach-mini2440.c
View File

@ -53,6 +53,7 @@
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
@ -102,10 +103,10 @@ static void mini2440_udc_pullup(enum s3c2410_udc_cmd_e cmd)
switch (cmd) {
case S3C2410_UDC_P_ENABLE :
s3c2410_gpio_setpin(S3C2410_GPC(5), 1);
gpio_set_value(S3C2410_GPC(5), 1);
break;
case S3C2410_UDC_P_DISABLE :
s3c2410_gpio_setpin(S3C2410_GPC(5), 0);
gpio_set_value(S3C2410_GPC(5), 0);
break;
case S3C2410_UDC_P_RESET :
break;
@ -632,25 +633,25 @@ static void __init mini2440_init(void)
mini2440_parse_features(&features, mini2440_features_str);
/* turn LCD on */
s3c2410_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
s3c_gpio_cfgpin(S3C2410_GPC(0), S3C2410_GPC0_LEND);
/* Turn the backlight early on */
s3c2410_gpio_setpin(S3C2410_GPG(4), 1);
s3c2410_gpio_cfgpin(S3C2410_GPG(4), S3C2410_GPIO_OUTPUT);
WARN_ON(gpio_request(S3C2410_GPG(4), "backlight"));
gpio_direction_output(S3C2410_GPG(4), 1);
/* remove pullup on optional PWM backlight -- unused on 3.5 and 7"s */
s3c2410_gpio_pullup(S3C2410_GPB(1), 0);
s3c_gpio_setpull(S3C2410_GPB(1), S3C_GPIO_PULL_UP);
s3c2410_gpio_setpin(S3C2410_GPB(1), 0);
s3c2410_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpin(S3C2410_GPB(1), S3C2410_GPIO_INPUT);
/* Make sure the D+ pullup pin is output */
s3c2410_gpio_cfgpin(S3C2410_GPC(5), S3C2410_GPIO_OUTPUT);
WARN_ON(gpio_request(S3C2410_GPC(5), "udc pup"));
gpio_direction_output(S3C2410_GPC(5), 0);
/* mark the key as input, without pullups (there is one on the board) */
for (i = 0; i < ARRAY_SIZE(mini2440_buttons); i++) {
s3c2410_gpio_pullup(mini2440_buttons[i].gpio, 0);
s3c2410_gpio_cfgpin(mini2440_buttons[i].gpio,
S3C2410_GPIO_INPUT);
s3c_gpio_setpull(mini2440_buttons[i].gpio, S3C_GPIO_PULL_UP);
s3c_gpio_cfgpin(mini2440_buttons[i].gpio, S3C2410_GPIO_INPUT);
}
if (features.lcd_index != -1) {
int li;

9
arch/arm/mach-s3c2440/mach-nexcoder.c
View File

@ -40,6 +40,7 @@
#include <plat/regs-serial.h>
#include <plat/iic.h>
#include <plat/gpio-cfg.h>
#include <plat/s3c2410.h>
#include <plat/s3c244x.h>
#include <plat/clock.h>
@ -122,15 +123,15 @@ static void __init nexcoder_sensorboard_init(void)
{
// Initialize SCCB bus
s3c2410_gpio_setpin(S3C2410_GPE(14), 1); // IICSCL
s3c2410_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPE(15), 1); // IICSDA
s3c2410_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPIO_OUTPUT);
// Power up the sensor board
s3c2410_gpio_setpin(S3C2410_GPF(1), 1);
s3c2410_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
s3c_gpio_cfgpin(S3C2410_GPF(1), S3C2410_GPIO_OUTPUT); // CAM_GPIO7 => nLDO_PWRDN
s3c2410_gpio_setpin(S3C2410_GPF(2), 0);
s3c2410_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
s3c_gpio_cfgpin(S3C2410_GPF(2), S3C2410_GPIO_OUTPUT); // CAM_GPIO6 => CAM_PWRDN
}
static void __init nexcoder_map_io(void)

5
arch/arm/mach-s3c2440/mach-osiris.c
View File

@ -49,6 +49,7 @@
#include <linux/mtd/nand_ecc.h>
#include <linux/mtd/partitions.h>
#include <plat/gpio-cfg.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
@ -298,7 +299,7 @@ static int osiris_pm_suspend(struct sys_device *sd, pm_message_t state)
/* ensure that an nRESET is not generated on resume. */
s3c2410_gpio_setpin(S3C2410_GPA(21), 1);
s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPIO_OUTPUT);
return 0;
}
@ -310,7 +311,7 @@ static int osiris_pm_resume(struct sys_device *sd)
__raw_writeb(pm_osiris_ctrl0, OSIRIS_VA_CTRL0);
s3c2410_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
s3c_gpio_cfgpin(S3C2410_GPA(21), S3C2410_GPA21_nRSTOUT);
return 0;
}

8
arch/arm/mach-s3c2440/s3c2440.c
View File

@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/sysdev.h>
#include <linux/gpio.h>
#include <linux/clk.h>
#include <linux/io.h>
@ -33,6 +34,10 @@
#include <plat/cpu.h>
#include <plat/s3c244x.h>
#include <plat/gpio-core.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
static struct sys_device s3c2440_sysdev = {
.cls = &s3c2440_sysclass,
};
@ -41,6 +46,9 @@ int __init s3c2440_init(void)
{
printk("S3C2440: Initialising architecture\n");
s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up;
s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up;
/* change irq for watchdog */
s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT;

1
arch/arm/mach-s3c2443/Kconfig
View File

@ -8,6 +8,7 @@ config CPU_S3C2443
select S3C2443_DMA if S3C2410_DMA
select CPU_LLSERIAL_S3C2440
select SAMSUNG_CLKSRC
select S3C2443_CLOCK
help
Support for the S3C2443 SoC from the S3C24XX line

481
arch/arm/mach-s3c2443/clock.c
View File

@ -21,6 +21,7 @@
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/list.h>
@ -54,111 +55,13 @@
* set the correct muxing at initialisation
*/
static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable)
{
u32 ctrlbit = clk->ctrlbit;
u32 con = __raw_readl(reg);
if (enable)
con |= ctrlbit;
else
con &= ~ctrlbit;
__raw_writel(con, reg);
return 0;
}
static int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
{
return s3c2443_gate(S3C2443_HCLKCON, clk, enable);
}
static int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
{
return s3c2443_gate(S3C2443_PCLKCON, clk, enable);
}
static int s3c2443_clkcon_enable_s(struct clk *clk, int enable)
{
return s3c2443_gate(S3C2443_SCLKCON, clk, enable);
}
/* clock selections */
/* mpllref is a direct descendant of clk_xtal by default, but it is not
* elided as the EPLL can be either sourced by the XTAL or EXTCLK and as
* such directly equating the two source clocks is impossible.
*/
static struct clk clk_mpllref = {
.name = "mpllref",
.parent = &clk_xtal,
.id = -1,
};
static struct clk clk_i2s_ext = {
.name = "i2s-ext",
.id = -1,
};
static struct clk *clk_epllref_sources[] = {
[0] = &clk_mpllref,
[1] = &clk_mpllref,
[2] = &clk_xtal,
[3] = &clk_ext,
};
static struct clksrc_clk clk_epllref = {
.clk = {
.name = "epllref",
.id = -1,
},
.sources = &(struct clksrc_sources) {
.sources = clk_epllref_sources,
.nr_sources = ARRAY_SIZE(clk_epllref_sources),
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 7 },
};
static unsigned long s3c2443_getrate_mdivclk(struct clk *clk)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
unsigned long div = __raw_readl(S3C2443_CLKDIV0);
div &= S3C2443_CLKDIV0_EXTDIV_MASK;
div >>= (S3C2443_CLKDIV0_EXTDIV_SHIFT-1); /* x2 */
return parent_rate / (div + 1);
}
static struct clk clk_mdivclk = {
.name = "mdivclk",
.parent = &clk_mpllref,
.id = -1,
.ops = &(struct clk_ops) {
.get_rate = s3c2443_getrate_mdivclk,
},
};
static struct clk *clk_msysclk_sources[] = {
[0] = &clk_mpllref,
[1] = &clk_mpll,
[2] = &clk_mdivclk,
[3] = &clk_mpllref,
};
static struct clksrc_clk clk_msysclk = {
.clk = {
.name = "msysclk",
.parent = &clk_xtal,
.id = -1,
},
.sources = &(struct clksrc_sources) {
.sources = clk_msysclk_sources,
.nr_sources = ARRAY_SIZE(clk_msysclk_sources),
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 3 },
};
/* armdiv
*
* this clock is sourced from msysclk and can have a number of
@ -266,44 +169,6 @@ static struct clksrc_clk clk_arm = {
.reg_src = { .reg = S3C2443_CLKDIV0, .size = 1, .shift = 13 },
};
/* esysclk
*
* this is sourced from either the EPLL or the EPLLref clock
*/
static struct clk *clk_sysclk_sources[] = {
[0] = &clk_epllref.clk,
[1] = &clk_epll,
};
static struct clksrc_clk clk_esysclk = {
.clk = {
.name = "esysclk",
.parent = &clk_epll,
.id = -1,
},
.sources = &(struct clksrc_sources) {
.sources = clk_sysclk_sources,
.nr_sources = ARRAY_SIZE(clk_sysclk_sources),
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 6 },
};
/* uartclk
*
* UART baud-rate clock sourced from esysclk via a divisor
*/
static struct clksrc_clk clk_uart = {
.clk = {
.name = "uartclk",
.id = -1,
.parent = &clk_esysclk.clk,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 8 },
};
/* hsspi
*
* high-speed spi clock, sourced from esysclk
@ -320,21 +185,6 @@ static struct clksrc_clk clk_hsspi = {
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 },
};
/* usbhost
*
* usb host bus-clock, usually 48MHz to provide USB bus clock timing
*/
static struct clksrc_clk clk_usb_bus_host = {
.clk = {
.name = "usb-bus-host-parent",
.id = -1,
.parent = &clk_esysclk.clk,
.ctrlbit = S3C2443_SCLKCON_USBHOST,
.enable = s3c2443_clkcon_enable_s,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 },
};
/* clk_hsmcc_div
*
@ -433,88 +283,15 @@ static struct clksrc_clk clk_i2s = {
.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 },
};
/* cam-if
*
* camera interface bus-clock, divided down from esysclk
*/
static struct clksrc_clk clk_cam = {
.clk = {
.name = "camif-upll", /* same as 2440 name */
.id = -1,
.parent = &clk_esysclk.clk,
.ctrlbit = S3C2443_SCLKCON_CAMCLK,
.enable = s3c2443_clkcon_enable_s,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 26 },
};
/* display-if
*
* display interface clock, divided from esysclk
*/
static struct clksrc_clk clk_display = {
.clk = {
.name = "display-if",
.id = -1,
.parent = &clk_esysclk.clk,
.ctrlbit = S3C2443_SCLKCON_DISPCLK,
.enable = s3c2443_clkcon_enable_s,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 8, .shift = 16 },
};
/* prediv
*
* this divides the msysclk down to pass to h/p/etc.
*/
static unsigned long s3c2443_prediv_getrate(struct clk *clk)
{
unsigned long rate = clk_get_rate(clk->parent);
unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
clkdiv0 &= S3C2443_CLKDIV0_PREDIV_MASK;
clkdiv0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT;
return rate / (clkdiv0 + 1);
}
static struct clk clk_prediv = {
.name = "prediv",
.id = -1,
.parent = &clk_msysclk.clk,
.ops = &(struct clk_ops) {
.get_rate = s3c2443_prediv_getrate,
},
};
/* standard clock definitions */
static struct clk init_clocks_disable[] = {
static struct clk init_clocks_off[] = {
{
.name = "nand",
.id = -1,
.parent = &clk_h,
}, {
.name = "sdi",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_SDI,
}, {
.name = "adc",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_ADC,
}, {
.name = "i2c",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_IIC,
}, {
.name = "iis",
.id = -1,
@ -537,179 +314,12 @@ static struct clk init_clocks_disable[] = {
};
static struct clk init_clocks[] = {
{
.name = "dma",
.id = 0,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA0,
}, {
.name = "dma",
.id = 1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA1,
}, {
.name = "dma",
.id = 2,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA2,
}, {
.name = "dma",
.id = 3,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA3,
}, {
.name = "dma",
.id = 4,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA4,
}, {
.name = "dma",
.id = 5,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA5,
}, {
.name = "lcd",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_LCDC,
}, {
.name = "gpio",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_GPIO,
}, {
.name = "usb-host",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_USBH,
}, {
.name = "usb-device",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_USBD,
}, {
.name = "hsmmc",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_HSMMC,
}, {
.name = "cfc",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_CFC,
}, {
.name = "ssmc",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_SSMC,
}, {
.name = "timers",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_PWMT,
}, {
.name = "uart",
.id = 0,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART0,
}, {
.name = "uart",
.id = 1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART1,
}, {
.name = "uart",
.id = 2,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART2,
}, {
.name = "uart",
.id = 3,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART3,
}, {
.name = "rtc",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_RTC,
}, {
.name = "watchdog",
.id = -1,
.parent = &clk_p,
.ctrlbit = S3C2443_PCLKCON_WDT,
}, {
.name = "usb-bus-host",
.id = -1,
.parent = &clk_usb_bus_host.clk,
}, {
.name = "ac97",
.id = -1,
.parent = &clk_p,
.ctrlbit = S3C2443_PCLKCON_AC97,
}
};
/* clocks to add where we need to check their parentage */
static struct clksrc_clk __initdata *init_list[] = {
&clk_epllref, /* should be first */
&clk_esysclk,
&clk_msysclk,
&clk_arm,
&clk_i2s_eplldiv,
&clk_i2s,
&clk_cam,
&clk_uart,
&clk_display,
&clk_hsmmc_div,
&clk_usb_bus_host,
};
static void __init s3c2443_clk_initparents(void)
{
int ptr;
for (ptr = 0; ptr < ARRAY_SIZE(init_list); ptr++)
s3c_set_clksrc(init_list[ptr], true);
}
static inline unsigned long s3c2443_get_hdiv(unsigned long clkcon0)
{
clkcon0 &= S3C2443_CLKDIV0_HCLKDIV_MASK;
return clkcon0 + 1;
}
/* clocks to add straight away */
static struct clksrc_clk *clksrcs[] __initdata = {
&clk_usb_bus_host,
&clk_epllref,
&clk_esysclk,
&clk_msysclk,
&clk_arm,
&clk_uart,
&clk_display,
&clk_cam,
&clk_i2s_eplldiv,
&clk_i2s,
&clk_hsspi,
@ -717,91 +327,31 @@ static struct clksrc_clk *clksrcs[] __initdata = {
};
static struct clk *clks[] __initdata = {
&clk_ext,
&clk_epll,
&clk_usb_bus,
&clk_mpllref,
&clk_hsmmc,
&clk_armdiv,
&clk_prediv,
};
void __init_or_cpufreq s3c2443_setup_clocks(void)
{
unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON);
unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
struct clk *xtal_clk;
unsigned long xtal;
unsigned long pll;
unsigned long fclk;
unsigned long hclk;
unsigned long pclk;
xtal_clk = clk_get(NULL, "xtal");
xtal = clk_get_rate(xtal_clk);
clk_put(xtal_clk);
pll = s3c2443_get_mpll(mpllcon, xtal);
clk_msysclk.clk.rate = pll;
fclk = pll / s3c2443_fclk_div(clkdiv0);
hclk = s3c2443_prediv_getrate(&clk_prediv);
hclk /= s3c2443_get_hdiv(clkdiv0);
pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1);
s3c24xx_setup_clocks(fclk, hclk, pclk);
printk("S3C2443: mpll %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n",
(mpllcon & S3C2443_PLLCON_OFF) ? "off":"on",
print_mhz(pll), print_mhz(fclk),
print_mhz(hclk), print_mhz(pclk));
s3c24xx_setup_clocks(fclk, hclk, pclk);
s3c2443_common_setup_clocks(s3c2443_get_mpll, s3c2443_fclk_div);
}
void __init s3c2443_init_clocks(int xtal)
{
struct clk *clkp;
unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
int ret;
int ptr;
/* s3c2443 parents h and p clocks from prediv */
clk_h.parent = &clk_prediv;
clk_p.parent = &clk_prediv;
s3c24xx_register_baseclocks(xtal);
s3c2443_setup_clocks();
s3c2443_clk_initparents();
for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
clkp = clks[ptr];
ret = s3c24xx_register_clock(clkp);
if (ret < 0) {
printk(KERN_ERR "Failed to register clock %s (%d)\n",
clkp->name, ret);
}
}
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
s3c_register_clksrc(clksrcs[ptr], 1);
clk_epll.rate = s3c2443_get_epll(epllcon, xtal);
clk_epll.parent = &clk_epllref.clk;
clk_usb_bus.parent = &clk_usb_bus_host.clk;
/* ensure usb bus clock is within correct rate of 48MHz */
s3c2443_common_init_clocks(xtal, s3c2443_get_mpll, s3c2443_fclk_div);
if (clk_get_rate(&clk_usb_bus_host.clk) != (48 * 1000 * 1000)) {
printk(KERN_INFO "Warning: USB host bus not at 48MHz\n");
clk_set_rate(&clk_usb_bus_host.clk, 48*1000*1000);
}
s3c2443_setup_clocks();
printk("S3C2443: epll %s %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n",
(epllcon & S3C2443_PLLCON_OFF) ? "off":"on",
print_mhz(clk_get_rate(&clk_epll)),
print_mhz(clk_get_rate(&clk_usb_bus)));
s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
s3c_register_clksrc(clksrcs[ptr], 1);
/* register clocks from clock array */
@ -819,17 +369,8 @@ void __init s3c2443_init_clocks(int xtal)
/* install (and disable) the clocks we do not need immediately */
clkp = init_clocks_disable;
for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
ret = s3c24xx_register_clock(clkp);
if (ret < 0) {
printk(KERN_ERR "Failed to register clock %s (%d)\n",
clkp->name, ret);
}
(clkp->enable)(clkp, 0);
}
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_pwmclk_init();
}

6
arch/arm/mach-s3c64xx/gpiolib.c
View File

@ -51,6 +51,7 @@
static struct s3c_gpio_cfg gpio_4bit_cfg_noint = {
.set_config = s3c_gpio_setcfg_s3c64xx_4bit,
.get_config = s3c_gpio_getcfg_s3c64xx_4bit,
.set_pull = s3c_gpio_setpull_updown,
.get_pull = s3c_gpio_getpull_updown,
};
@ -58,12 +59,14 @@ static struct s3c_gpio_cfg gpio_4bit_cfg_noint = {
static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = {
.cfg_eint = 7,
.set_config = s3c_gpio_setcfg_s3c64xx_4bit,
.get_config = s3c_gpio_getcfg_s3c64xx_4bit,
.set_pull = s3c_gpio_setpull_updown,
.get_pull = s3c_gpio_getpull_updown,
};
static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = {
.cfg_eint = 3,
.get_config = s3c_gpio_getcfg_s3c64xx_4bit,
.set_config = s3c_gpio_setcfg_s3c64xx_4bit,
.set_pull = s3c_gpio_setpull_updown,
.get_pull = s3c_gpio_getpull_updown,
@ -171,6 +174,7 @@ static struct s3c_gpio_chip gpio_4bit2[] = {
static struct s3c_gpio_cfg gpio_2bit_cfg_noint = {
.set_config = s3c_gpio_setcfg_s3c24xx,
.get_config = s3c_gpio_getcfg_s3c24xx,
.set_pull = s3c_gpio_setpull_updown,
.get_pull = s3c_gpio_getpull_updown,
};
@ -178,6 +182,7 @@ static struct s3c_gpio_cfg gpio_2bit_cfg_noint = {
static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = {
.cfg_eint = 2,
.set_config = s3c_gpio_setcfg_s3c24xx,
.get_config = s3c_gpio_getcfg_s3c24xx,
.set_pull = s3c_gpio_setpull_updown,
.get_pull = s3c_gpio_getpull_updown,
};
@ -185,6 +190,7 @@ static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = {
static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = {
.cfg_eint = 3,
.set_config = s3c_gpio_setcfg_s3c24xx,
.get_config = s3c_gpio_getcfg_s3c24xx,
.set_pull = s3c_gpio_setpull_updown,
.get_pull = s3c_gpio_getpull_updown,
};

35
arch/arm/mach-s3c64xx/include/mach/pll.h
View File

@ -20,6 +20,7 @@
#define S3C6400_PLL_SDIV_SHIFT (0)
#include <asm/div64.h>
#include <plat/pll6553x.h>
static inline unsigned long s3c6400_get_pll(unsigned long baseclk,
u32 pllcon)
@ -37,38 +38,8 @@ static inline unsigned long s3c6400_get_pll(unsigned long baseclk,
return (unsigned long)fvco;
}
#define S3C6400_EPLL_MDIV_MASK ((1 << (23-16)) - 1)
#define S3C6400_EPLL_PDIV_MASK ((1 << (13-8)) - 1)
#define S3C6400_EPLL_SDIV_MASK ((1 << (2-0)) - 1)
#define S3C6400_EPLL_MDIV_SHIFT (16)
#define S3C6400_EPLL_PDIV_SHIFT (8)
#define S3C6400_EPLL_SDIV_SHIFT (0)
#define S3C6400_EPLL_KDIV_MASK (0xffff)
static inline unsigned long s3c6400_get_epll(unsigned long baseclk)
{
unsigned long result;
u32 epll0 = __raw_readl(S3C_EPLL_CON0);
u32 epll1 = __raw_readl(S3C_EPLL_CON1);
u32 mdiv, pdiv, sdiv, kdiv;
u64 tmp;
mdiv = (epll0 >> S3C6400_EPLL_MDIV_SHIFT) & S3C6400_EPLL_MDIV_MASK;
pdiv = (epll0 >> S3C6400_EPLL_PDIV_SHIFT) & S3C6400_EPLL_PDIV_MASK;
sdiv = (epll0 >> S3C6400_EPLL_SDIV_SHIFT) & S3C6400_EPLL_SDIV_MASK;
kdiv = epll1 & S3C6400_EPLL_KDIV_MASK;
/* We need to multiple baseclk by mdiv (the integer part) and kdiv
* which is in 2^16ths, so shift mdiv up (does not overflow) and
* add kdiv before multiplying. The use of tmp is to avoid any
* overflows before shifting bac down into result when multipling
* by the mdiv and kdiv pair.
*/
tmp = baseclk;
tmp *= (mdiv << 16) + kdiv;
do_div(tmp, (pdiv << sdiv));
result = tmp >> 16;
return result;
return s3c_get_pll6553x(baseclk, __raw_readl(S3C_EPLL_CON0),
__raw_readl(S3C_EPLL_CON1));
}

5
arch/arm/mach-s5p6440/gpio.c
View File

@ -161,12 +161,15 @@ static struct s3c_gpio_cfg s5p6440_gpio_cfgs[] = {
}, {
.cfg_eint = 0,
.set_config = s3c_gpio_setcfg_s3c24xx,
.get_config = s3c_gpio_getcfg_s3c24xx,
}, {
.cfg_eint = 2,
.set_config = s3c_gpio_setcfg_s3c24xx,
.get_config = s3c_gpio_getcfg_s3c24xx,
}, {
.cfg_eint = 3,
.set_config = s3c_gpio_setcfg_s3c24xx,
.get_config = s3c_gpio_getcfg_s3c24xx,
},
};
@ -279,6 +282,8 @@ void __init s5p6440_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips)
for (; nr_chips > 0; nr_chips--, chipcfg++) {
if (!chipcfg->set_config)
chipcfg->set_config = s3c_gpio_setcfg_s3c64xx_4bit;
if (!chipcfg->get_config)
chipcfg->get_config = s3c_gpio_getcfg_s3c64xx_4bit;
if (!chipcfg->set_pull)
chipcfg->set_pull = s3c_gpio_setpull_updown;
if (!chipcfg->get_pull)

7
arch/arm/plat-s3c24xx/Kconfig
View File

@ -9,6 +9,7 @@ config PLAT_S3C24XX
select NO_IOPORT
select ARCH_REQUIRE_GPIOLIB
select S3C_DEVICE_NAND
select S3C_GPIO_CFG_S3C24XX
help
Base platform code for any Samsung S3C24XX device
@ -44,6 +45,12 @@ config S3C2410_CLOCK
Clock code for the S3C2410, and similar processors which
is currently includes the S3C2410, S3C2440, S3C2442.
config S3C2443_CLOCK
bool
help
Clock code for the S3C2443 and similar processors, which includes
the S3C2416 and S3C2450.
config S3C24XX_DCLK
bool
help

1
arch/arm/plat-s3c24xx/Makefile
View File

@ -30,6 +30,7 @@ obj-$(CONFIG_PM) += pm.o
obj-$(CONFIG_PM) += irq-pm.o
obj-$(CONFIG_PM) += sleep.o
obj-$(CONFIG_S3C2410_CLOCK) += s3c2410-clock.o
obj-$(CONFIG_S3C2443_CLOCK) += s3c2443-clock.o
obj-$(CONFIG_S3C2410_DMA) += dma.o
obj-$(CONFIG_S3C2410_IOTIMING) += s3c2410-iotiming.o
obj-$(CONFIG_S3C2412_IOTIMING) += s3c2412-iotiming.o

9
arch/arm/plat-s3c24xx/common-smdk.c
View File

@ -42,6 +42,7 @@
#include <plat/nand.h>
#include <plat/common-smdk.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
#include <plat/pm.h>
@ -185,10 +186,10 @@ void __init smdk_machine_init(void)
{
/* Configure the LEDs (even if we have no LED support)*/
s3c2410_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPF(4), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPF(5), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPF(6), S3C2410_GPIO_OUTPUT);
s3c_gpio_cfgpin(S3C2410_GPF(7), S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPF(4), 1);
s3c2410_gpio_setpin(S3C2410_GPF(5), 1);

21
arch/arm/plat-s3c24xx/cpu.c
View File

@ -49,6 +49,7 @@
#include <plat/s3c2400.h>
#include <plat/s3c2410.h>
#include <plat/s3c2412.h>
#include <plat/s3c2416.h>
#include <plat/s3c244x.h>
#include <plat/s3c2443.h>
@ -57,6 +58,7 @@
static const char name_s3c2400[] = "S3C2400";
static const char name_s3c2410[] = "S3C2410";
static const char name_s3c2412[] = "S3C2412";
static const char name_s3c2416[] = "S3C2416/S3C2450";
static const char name_s3c2440[] = "S3C2440";
static const char name_s3c2442[] = "S3C2442";
static const char name_s3c2442b[] = "S3C2442B";
@ -137,6 +139,15 @@ static struct cpu_table cpu_ids[] __initdata = {
.init = s3c2412_init,
.name = name_s3c2412,
},
{ /* a strange version of the s3c2416 */
.idcode = 0x32450003,
.idmask = 0xffffffff,
.map_io = s3c2416_map_io,
.init_clocks = s3c2416_init_clocks,
.init_uarts = s3c2416_init_uarts,
.init = s3c2416_init,
.name = name_s3c2416,
},
{
.idcode = 0x32443001,
.idmask = 0xffffffff,
@ -170,6 +181,16 @@ static struct map_desc s3c_iodesc[] __initdata = {
static unsigned long s3c24xx_read_idcode_v5(void)
{
#if defined(CONFIG_CPU_S3C2416)
/* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */
u32 gs = __raw_readl(S3C24XX_GSTATUS1);
/* test for s3c2416 or similar device */
if ((gs >> 16) == 0x3245)
return gs;
#endif
#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
return __raw_readl(S3C2412_GSTATUS1);
#else

144
arch/arm/plat-s3c24xx/gpio.c
View File

@ -1,6 +1,6 @@
/* linux/arch/arm/plat-s3c24xx/gpio.c
*
* Copyright (c) 2004-2005 Simtec Electronics
* Copyright (c) 2004-2010 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* S3C24XX GPIO support
@ -20,12 +20,12 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <mach/hardware.h>
@ -34,123 +34,34 @@
#include <mach/regs-gpio.h>
void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int function)
{
void __iomem *base = S3C24XX_GPIO_BASE(pin);
unsigned long mask;
unsigned long con;
unsigned long flags;
if (pin < S3C2410_GPIO_BANKB) {
mask = 1 << S3C2410_GPIO_OFFSET(pin);
} else {
mask = 3 << S3C2410_GPIO_OFFSET(pin)*2;
}
switch (function) {
case S3C2410_GPIO_LEAVE:
mask = 0;
function = 0;
break;
case S3C2410_GPIO_INPUT:
case S3C2410_GPIO_OUTPUT:
case S3C2410_GPIO_SFN2:
case S3C2410_GPIO_SFN3:
if (pin < S3C2410_GPIO_BANKB) {
function -= 1;
function &= 1;
function <<= S3C2410_GPIO_OFFSET(pin);
} else {
function &= 3;
function <<= S3C2410_GPIO_OFFSET(pin)*2;
}
}
/* modify the specified register wwith IRQs off */
local_irq_save(flags);
con = __raw_readl(base + 0x00);
con &= ~mask;
con |= function;
__raw_writel(con, base + 0x00);
local_irq_restore(flags);
}
EXPORT_SYMBOL(s3c2410_gpio_cfgpin);
unsigned int s3c2410_gpio_getcfg(unsigned int pin)
{
void __iomem *base = S3C24XX_GPIO_BASE(pin);
unsigned long val = __raw_readl(base);
if (pin < S3C2410_GPIO_BANKB) {
val >>= S3C2410_GPIO_OFFSET(pin);
val &= 1;
val += 1;
} else {
val >>= S3C2410_GPIO_OFFSET(pin)*2;
val &= 3;
}
return val | S3C2410_GPIO_INPUT;
}
EXPORT_SYMBOL(s3c2410_gpio_getcfg);
/* gpiolib wrappers until these are totally eliminated */
void s3c2410_gpio_pullup(unsigned int pin, unsigned int to)
{
void __iomem *base = S3C24XX_GPIO_BASE(pin);
unsigned long offs = S3C2410_GPIO_OFFSET(pin);
unsigned long flags;
unsigned long up;
int ret;
if (pin < S3C2410_GPIO_BANKB)
return;
WARN_ON(to); /* should be none of these left */
local_irq_save(flags);
if (!to) {
/* if pull is enabled, try first with up, and if that
* fails, try using down */
up = __raw_readl(base + 0x08);
up &= ~(1L << offs);
up |= to << offs;
__raw_writel(up, base + 0x08);
local_irq_restore(flags);
ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP);
if (ret)
s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN);
} else {
s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE);
}
}
EXPORT_SYMBOL(s3c2410_gpio_pullup);
int s3c2410_gpio_getpull(unsigned int pin)
{
void __iomem *base = S3C24XX_GPIO_BASE(pin);
unsigned long offs = S3C2410_GPIO_OFFSET(pin);
if (pin < S3C2410_GPIO_BANKB)
return -EINVAL;
return (__raw_readl(base + 0x08) & (1L << offs)) ? 1 : 0;
}
EXPORT_SYMBOL(s3c2410_gpio_getpull);
void s3c2410_gpio_setpin(unsigned int pin, unsigned int to)
{
void __iomem *base = S3C24XX_GPIO_BASE(pin);
unsigned long offs = S3C2410_GPIO_OFFSET(pin);
unsigned long flags;
unsigned long dat;
/* do this via gpiolib until all users removed */
local_irq_save(flags);
dat = __raw_readl(base + 0x04);
dat &= ~(1 << offs);
dat |= to << offs;
__raw_writel(dat, base + 0x04);
local_irq_restore(flags);
gpio_request(pin, "temporary");
gpio_set_value(pin, to);
gpio_free(pin);
}
EXPORT_SYMBOL(s3c2410_gpio_setpin);
@ -181,22 +92,3 @@ unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change)
}
EXPORT_SYMBOL(s3c2410_modify_misccr);
int s3c2410_gpio_getirq(unsigned int pin)
{
if (pin < S3C2410_GPF(0) || pin > S3C2410_GPG(15))
return -EINVAL; /* not valid interrupts */
if (pin < S3C2410_GPG(0) && pin > S3C2410_GPF(7))
return -EINVAL; /* not valid pin */
if (pin < S3C2410_GPF(4))
return (pin - S3C2410_GPF(0)) + IRQ_EINT0;
if (pin < S3C2410_GPG(0))
return (pin - S3C2410_GPF(4)) + IRQ_EINT4;
return (pin - S3C2410_GPG(0)) + IRQ_EINT8;
}
EXPORT_SYMBOL(s3c2410_gpio_getirq);

60
arch/arm/plat-s3c24xx/gpiolib.c
View File

@ -1,6 +1,6 @@
/* linux/arch/arm/plat-s3c24xx/gpiolib.c
*
* Copyright (c) 2008 Simtec Electronics
* Copyright (c) 2008-2010 Simtec Electronics
* http://armlinux.simtec.co.uk/
* Ben Dooks <ben@simtec.co.uk>
*
@ -21,6 +21,8 @@
#include <linux/gpio.h>
#include <plat/gpio-core.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <plat/pm.h>
@ -77,10 +79,21 @@ static int s3c24xx_gpiolib_bankg_toirq(struct gpio_chip *chip, unsigned offset)
return IRQ_EINT8 + offset;
}
static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = {
.set_config = s3c_gpio_setcfg_s3c24xx_a,
.get_config = s3c_gpio_getcfg_s3c24xx_a,
};
struct s3c_gpio_cfg s3c24xx_gpiocfg_default = {
.set_config = s3c_gpio_setcfg_s3c24xx,
.get_config = s3c_gpio_getcfg_s3c24xx,
};
struct s3c_gpio_chip s3c24xx_gpios[] = {
[0] = {
.base = S3C2410_GPACON,
.pm = __gpio_pm(&s3c_gpio_pm_1bit),
.config = &s3c24xx_gpiocfg_banka,
.chip = {
.base = S3C2410_GPA(0),
.owner = THIS_MODULE,
@ -161,15 +174,58 @@ struct s3c_gpio_chip s3c24xx_gpios[] = {
.ngpio = 11,
},
},
/* GPIOS for the S3C2443 and later devices. */
{
.base = S3C2440_GPJCON,
.pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPJ(0),
.owner = THIS_MODULE,
.label = "GPIOJ",
.ngpio = 16,
},
}, {
.base = S3C2443_GPKCON,
.pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPK(0),
.owner = THIS_MODULE,
.label = "GPIOK",
.ngpio = 16,
},
}, {
.base = S3C2443_GPLCON,
.pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPL(0),
.owner = THIS_MODULE,
.label = "GPIOL",
.ngpio = 15,
},
}, {
.base = S3C2443_GPMCON,
.pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPM(0),
.owner = THIS_MODULE,
.label = "GPIOM",
.ngpio = 2,
},
},
};
static __init int s3c24xx_gpiolib_init(void)
{
struct s3c_gpio_chip *chip = s3c24xx_gpios;
int gpn;
for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++)
for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) {
if (!chip->config)
chip->config = &s3c24xx_gpiocfg_default;
s3c_gpiolib_add(chip);
}
return 0;
}

25
arch/arm/plat-s3c24xx/include/plat/pll.h
View File

@ -35,3 +35,28 @@ s3c24xx_get_pll(unsigned int pllval, unsigned int baseclk)
return (unsigned int)fvco;
}
#define S3C2416_PLL_M_SHIFT (14)
#define S3C2416_PLL_P_SHIFT (5)
#define S3C2416_PLL_S_MASK (7)
#define S3C2416_PLL_M_MASK ((1 << 10) - 1)
#define S3C2416_PLL_P_MASK (63)
static inline unsigned int
s3c2416_get_pll(unsigned int pllval, unsigned int baseclk)
{
unsigned int m, p, s;
uint64_t fvco;
m = pllval >> S3C2416_PLL_M_SHIFT;
p = pllval >> S3C2416_PLL_P_SHIFT;
s = pllval & S3C2416_PLL_S_MASK;
m &= S3C2416_PLL_M_MASK;
p &= S3C2416_PLL_P_MASK;
fvco = (uint64_t)baseclk * m;
do_div(fvco, (p << s));
return (unsigned int)fvco;
}

31
arch/arm/plat-s3c24xx/include/plat/s3c2416.h Normal file
View File

@ -0,0 +1,31 @@
/* linux/include/asm-arm/plat-s3c24xx/s3c2443.h
*
* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>
*
* Header file for s3c2416 cpu support
*
* 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.
*/
#ifdef CONFIG_CPU_S3C2416
struct s3c2410_uartcfg;
extern int s3c2416_init(void);
extern void s3c2416_map_io(void);
extern void s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void s3c2416_init_clocks(int xtal);
extern int s3c2416_baseclk_add(void);
#else
#define s3c2416_init_clocks NULL
#define s3c2416_init_uarts NULL
#define s3c2416_map_io NULL
#define s3c2416_init NULL
#endif

19
arch/arm/plat-s3c24xx/include/plat/s3c2443.h
View File

@ -30,3 +30,22 @@ extern int s3c2443_baseclk_add(void);
#define s3c2443_map_io NULL
#define s3c2443_init NULL
#endif
/* common code used by s3c2443 and others.
* note, not to be used outside of arch/arm/mach-s3c* */
struct clk; /* some files don't need clk.h otherwise */
typedef unsigned int (*pll_fn)(unsigned int reg, unsigned int base);
typedef unsigned int (*fdiv_fn)(unsigned long clkcon0);
extern void s3c2443_common_setup_clocks(pll_fn get_mpll, fdiv_fn fdiv);
extern void s3c2443_common_init_clocks(int xtal, pll_fn get_mpll, fdiv_fn fdiv);
extern int s3c2443_clkcon_enable_h(struct clk *clk, int enable);
extern int s3c2443_clkcon_enable_p(struct clk *clk, int enable);
extern int s3c2443_clkcon_enable_s(struct clk *clk, int enable);
extern struct clksrc_clk clk_epllref;
extern struct clksrc_clk clk_esysclk;
extern struct clksrc_clk clk_msysclk;

9
arch/arm/plat-s3c24xx/pm.c
View File

@ -43,6 +43,7 @@
#include <asm/mach/time.h>
#include <plat/gpio-cfg.h>
#include <plat/pm.h>
#define PFX "s3c24xx-pm: "
@ -90,22 +91,22 @@ static void s3c_pm_check_resume_pin(unsigned int pin, unsigned int irqoffs)
{
unsigned long irqstate;
unsigned long pinstate;
int irq = s3c2410_gpio_getirq(pin);
int irq = gpio_to_irq(pin);
if (irqoffs < 4)
irqstate = s3c_irqwake_intmask & (1L<<irqoffs);
else
irqstate = s3c_irqwake_eintmask & (1L<<irqoffs);
pinstate = s3c2410_gpio_getcfg(pin);
pinstate = s3c_gpio_getcfg(pin);
if (!irqstate) {
if (pinstate == S3C2410_GPIO_IRQ)
S3C_PMDBG("Leaving IRQ %d (pin %d) enabled\n", irq, pin);
S3C_PMDBG("Leaving IRQ %d (pin %d) as is\n", irq, pin);
} else {
if (pinstate == S3C2410_GPIO_IRQ) {
S3C_PMDBG("Disabling IRQ %d (pin %d)\n", irq, pin);
s3c2410_gpio_cfgpin(pin, S3C2410_GPIO_INPUT);
s3c_gpio_cfgpin(pin, S3C2410_GPIO_INPUT);
}
}
}

15
arch/arm/plat-s3c24xx/s3c2410-clock.c
View File

@ -87,7 +87,7 @@ static int s3c2410_upll_enable(struct clk *clk, int enable)
/* standard clock definitions */
static struct clk init_clocks_disable[] = {
static struct clk init_clocks_off[] = {
{
.name = "nand",
.id = -1,
@ -249,17 +249,8 @@ int __init s3c2410_baseclk_add(void)
/* install (and disable) the clocks we do not need immediately */
clkp = init_clocks_disable;
for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
ret = s3c24xx_register_clock(clkp);
if (ret < 0) {
printk(KERN_ERR "Failed to register clock %s (%d)\n",
clkp->name, ret);
}
s3c2410_clkcon_enable(clkp, 0);
}
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
/* show the clock-slow value */

472
arch/arm/plat-s3c24xx/s3c2443-clock.c Normal file
View File

@ -0,0 +1,472 @@
/* linux/arch/arm/plat-s3c24xx/s3c2443-clock.c
*
* Copyright (c) 2007, 2010 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
* S3C2443 Clock control suport - common code
*/
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <mach/regs-s3c2443-clock.h>
#include <plat/s3c2443.h>
#include <plat/clock.h>
#include <plat/clock-clksrc.h>
#include <plat/cpu.h>
#include <plat/cpu-freq.h>
static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable)
{
u32 ctrlbit = clk->ctrlbit;
u32 con = __raw_readl(reg);
if (enable)
con |= ctrlbit;
else
con &= ~ctrlbit;
__raw_writel(con, reg);
return 0;
}
int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
{
return s3c2443_gate(S3C2443_HCLKCON, clk, enable);
}
int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
{
return s3c2443_gate(S3C2443_PCLKCON, clk, enable);
}
int s3c2443_clkcon_enable_s(struct clk *clk, int enable)
{
return s3c2443_gate(S3C2443_SCLKCON, clk, enable);
}
/* mpllref is a direct descendant of clk_xtal by default, but it is not
* elided as the EPLL can be either sourced by the XTAL or EXTCLK and as
* such directly equating the two source clocks is impossible.
*/
struct clk clk_mpllref = {
.name = "mpllref",
.parent = &clk_xtal,
.id = -1,
};
static struct clk *clk_epllref_sources[] = {
[0] = &clk_mpllref,
[1] = &clk_mpllref,
[2] = &clk_xtal,
[3] = &clk_ext,
};
struct clksrc_clk clk_epllref = {
.clk = {
.name = "epllref",
.id = -1,
},
.sources = &(struct clksrc_sources) {
.sources = clk_epllref_sources,
.nr_sources = ARRAY_SIZE(clk_epllref_sources),
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 7 },
};
/* esysclk
*
* this is sourced from either the EPLL or the EPLLref clock
*/
static struct clk *clk_sysclk_sources[] = {
[0] = &clk_epllref.clk,
[1] = &clk_epll,
};
struct clksrc_clk clk_esysclk = {
.clk = {
.name = "esysclk",
.parent = &clk_epll,
.id = -1,
},
.sources = &(struct clksrc_sources) {
.sources = clk_sysclk_sources,
.nr_sources = ARRAY_SIZE(clk_sysclk_sources),
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 6 },
};
static unsigned long s3c2443_getrate_mdivclk(struct clk *clk)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
unsigned long div = __raw_readl(S3C2443_CLKDIV0);
div &= S3C2443_CLKDIV0_EXTDIV_MASK;
div >>= (S3C2443_CLKDIV0_EXTDIV_SHIFT-1); /* x2 */
return parent_rate / (div + 1);
}
static struct clk clk_mdivclk = {
.name = "mdivclk",
.parent = &clk_mpllref,
.id = -1,
.ops = &(struct clk_ops) {
.get_rate = s3c2443_getrate_mdivclk,
},
};
static struct clk *clk_msysclk_sources[] = {
[0] = &clk_mpllref,
[1] = &clk_mpll,
[2] = &clk_mdivclk,
[3] = &clk_mpllref,
};
struct clksrc_clk clk_msysclk = {
.clk = {
.name = "msysclk",
.parent = &clk_xtal,
.id = -1,
},
.sources = &(struct clksrc_sources) {
.sources = clk_msysclk_sources,
.nr_sources = ARRAY_SIZE(clk_msysclk_sources),
},
.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 3 },
};
/* prediv
*
* this divides the msysclk down to pass to h/p/etc.
*/
static unsigned long s3c2443_prediv_getrate(struct clk *clk)
{
unsigned long rate = clk_get_rate(clk->parent);
unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
clkdiv0 &= S3C2443_CLKDIV0_PREDIV_MASK;
clkdiv0 >>= S3C2443_CLKDIV0_PREDIV_SHIFT;
return rate / (clkdiv0 + 1);
}
static struct clk clk_prediv = {
.name = "prediv",
.id = -1,
.parent = &clk_msysclk.clk,
.ops = &(struct clk_ops) {
.get_rate = s3c2443_prediv_getrate,
},
};
/* usbhost
*
* usb host bus-clock, usually 48MHz to provide USB bus clock timing
*/
static struct clksrc_clk clk_usb_bus_host = {
.clk = {
.name = "usb-bus-host-parent",
.id = -1,
.parent = &clk_esysclk.clk,
.ctrlbit = S3C2443_SCLKCON_USBHOST,
.enable = s3c2443_clkcon_enable_s,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 },
};
/* common clksrc clocks */
static struct clksrc_clk clksrc_clks[] = {
{
/* ART baud-rate clock sourced from esysclk via a divisor */
.clk = {
.name = "uartclk",
.id = -1,
.parent = &clk_esysclk.clk,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 8 },
}, {
/* camera interface bus-clock, divided down from esysclk */
.clk = {
.name = "camif-upll", /* same as 2440 name */
.id = -1,
.parent = &clk_esysclk.clk,
.ctrlbit = S3C2443_SCLKCON_CAMCLK,
.enable = s3c2443_clkcon_enable_s,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 26 },
}, {
.clk = {
.name = "display-if",
.id = -1,
.parent = &clk_esysclk.clk,
.ctrlbit = S3C2443_SCLKCON_DISPCLK,
.enable = s3c2443_clkcon_enable_s,
},
.reg_div = { .reg = S3C2443_CLKDIV1, .size = 8, .shift = 16 },
},
};
static struct clk init_clocks_off[] = {
{
.name = "adc",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_ADC,
}, {
.name = "i2c",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_IIC,
}
};
static struct clk init_clocks[] = {
{
.name = "dma",
.id = 0,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA0,
}, {
.name = "dma",
.id = 1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA1,
}, {
.name = "dma",
.id = 2,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA2,
}, {
.name = "dma",
.id = 3,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA3,
}, {
.name = "dma",
.id = 4,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA4,
}, {
.name = "dma",
.id = 5,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_DMA5,
}, {
.name = "hsmmc",
.id = 0,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_HSMMC,
}, {
.name = "gpio",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_GPIO,
}, {
.name = "usb-host",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_USBH,
}, {
.name = "usb-device",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_USBD,
}, {
.name = "lcd",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_LCDC,
}, {
.name = "timers",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_PWMT,
}, {
.name = "cfc",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_CFC,
}, {
.name = "ssmc",
.id = -1,
.parent = &clk_h,
.enable = s3c2443_clkcon_enable_h,
.ctrlbit = S3C2443_HCLKCON_SSMC,
}, {
.name = "uart",
.id = 0,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART0,
}, {
.name = "uart",
.id = 1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART1,
}, {
.name = "uart",
.id = 2,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART2,
}, {
.name = "uart",
.id = 3,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_UART3,
}, {
.name = "rtc",
.id = -1,
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_RTC,
}, {
.name = "watchdog",
.id = -1,
.parent = &clk_p,
.ctrlbit = S3C2443_PCLKCON_WDT,
}, {
.name = "ac97",
.id = -1,
.parent = &clk_p,
.ctrlbit = S3C2443_PCLKCON_AC97,
}, {
.name = "nand",
.id = -1,
.parent = &clk_h,
}, {
.name = "usb-bus-host",
.id = -1,
.parent = &clk_usb_bus_host.clk,
}
};
static inline unsigned long s3c2443_get_hdiv(unsigned long clkcon0)
{
clkcon0 &= S3C2443_CLKDIV0_HCLKDIV_MASK;
return clkcon0 + 1;
}
/* EPLLCON compatible enough to get on/off information */
void __init_or_cpufreq s3c2443_common_setup_clocks(pll_fn get_mpll,
fdiv_fn get_fdiv)
{
unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON);
unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
struct clk *xtal_clk;
unsigned long xtal;
unsigned long pll;
unsigned long fclk;
unsigned long hclk;
unsigned long pclk;
int ptr;
xtal_clk = clk_get(NULL, "xtal");
xtal = clk_get_rate(xtal_clk);
clk_put(xtal_clk);
pll = get_mpll(mpllcon, xtal);
clk_msysclk.clk.rate = pll;
fclk = pll / get_fdiv(clkdiv0);
hclk = s3c2443_prediv_getrate(&clk_prediv);
hclk /= s3c2443_get_hdiv(clkdiv0);
pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1);
s3c24xx_setup_clocks(fclk, hclk, pclk);
printk("CPU: MPLL %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n",
(mpllcon & S3C2443_PLLCON_OFF) ? "off":"on",
print_mhz(pll), print_mhz(fclk),
print_mhz(hclk), print_mhz(pclk));
for (ptr = 0; ptr < ARRAY_SIZE(clksrc_clks); ptr++)
s3c_set_clksrc(&clksrc_clks[ptr], true);
/* ensure usb bus clock is within correct rate of 48MHz */
if (clk_get_rate(&clk_usb_bus_host.clk) != (48 * 1000 * 1000)) {
printk(KERN_INFO "Warning: USB host bus not at 48MHz\n");
clk_set_rate(&clk_usb_bus_host.clk, 48*1000*1000);
}
printk("CPU: EPLL %s %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n",
(epllcon & S3C2443_PLLCON_OFF) ? "off":"on",
print_mhz(clk_get_rate(&clk_epll)),
print_mhz(clk_get_rate(&clk_usb_bus)));
}
static struct clk *clks[] __initdata = {
&clk_prediv,
&clk_mpllref,
&clk_mdivclk,
&clk_ext,
&clk_epll,
&clk_usb_bus,
};
static struct clksrc_clk *clksrcs[] __initdata = {
&clk_usb_bus_host,
&clk_epllref,
&clk_esysclk,
&clk_msysclk,
};
void __init s3c2443_common_init_clocks(int xtal, pll_fn get_mpll,
fdiv_fn get_fdiv)
{
int ptr;
/* s3c2443 parents h and p clocks from prediv */
clk_h.parent = &clk_prediv;
clk_p.parent = &clk_prediv;
clk_usb_bus.parent = &clk_usb_bus_host.clk;
clk_epll.parent = &clk_epllref.clk;
s3c24xx_register_baseclocks(xtal);
s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
s3c_register_clksrc(clksrcs[ptr], 1);
s3c_register_clksrc(clksrc_clks, ARRAY_SIZE(clksrc_clks));
s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
/* See s3c2443/etc notes on disabling clocks at init time */
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c2443_common_setup_clocks(get_mpll, get_fdiv);
}

5
arch/arm/plat-s3c24xx/setup-i2c.c
View File

@ -15,12 +15,13 @@
struct platform_device;
#include <plat/gpio-cfg.h>
#include <plat/iic.h>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
void s3c_i2c0_cfg_gpio(struct platform_device *dev)
{
s3c2410_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPE15_IICSDA);
s3c2410_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPE14_IICSCL);
s3c_gpio_cfgpin(S3C2410_GPE(15), S3C2410_GPE15_IICSDA);
s3c_gpio_cfgpin(S3C2410_GPE(14), S3C2410_GPE14_IICSCL);
}

16
arch/arm/plat-s3c24xx/spi-bus0-gpe11_12_13.c
View File

@ -21,16 +21,16 @@ void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
int enable)
{
if (enable) {
s3c2410_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPE13_SPICLK0);
s3c2410_gpio_cfgpin(S3C2410_GPE(12), S3C2410_GPE12_SPIMOSI0);
s3c2410_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPE11_SPIMISO0);
s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPE13_SPICLK0);
s3c_gpio_cfgpin(S3C2410_GPE(12), S3C2410_GPE12_SPIMOSI0);
s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPE11_SPIMISO0);
s3c2410_gpio_pullup(S3C2410_GPE(11), 0);
s3c2410_gpio_pullup(S3C2410_GPE(13), 0);
} else {
s3c2410_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPIO_INPUT);
s3c2410_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPIO_INPUT);
s3c2410_gpio_pullup(S3C2410_GPE(11), 1);
s3c2410_gpio_pullup(S3C2410_GPE(12), 1);
s3c2410_gpio_pullup(S3C2410_GPE(13), 1);
s3c_gpio_cfgpin(S3C2410_GPE(13), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpin(S3C2410_GPE(11), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpull(S3C2410_GPE(11), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpull(S3C2410_GPE(12), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpull(S3C2410_GPE(13), S3C_GPIO_PULL_NONE);
}
}

16
arch/arm/plat-s3c24xx/spi-bus1-gpd8_9_10.c
View File

@ -23,16 +23,16 @@ void s3c24xx_spi_gpiocfg_bus1_gpd8_9_10(struct s3c2410_spi_info *spi,
printk(KERN_INFO "%s(%d)\n", __func__, enable);
if (enable) {
s3c2410_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1);
s3c2410_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1);
s3c2410_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1);
s3c_gpio_cfgpin(S3C2410_GPD(10), S3C2440_GPD10_SPICLK1);
s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2440_GPD9_SPIMOSI1);
s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2440_GPD8_SPIMISO1);
s3c2410_gpio_pullup(S3C2410_GPD(10), 0);
s3c2410_gpio_pullup(S3C2410_GPD(9), 0);
} else {
s3c2410_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT);
s3c2410_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT);
s3c2410_gpio_pullup(S3C2410_GPD(10), 1);
s3c2410_gpio_pullup(S3C2410_GPD(9), 1);
s3c2410_gpio_pullup(S3C2410_GPD(8), 1);
s3c_gpio_cfgpin(S3C2410_GPD(8), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpin(S3C2410_GPD(9), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpull(S3C2410_GPD(10), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpull(S3C2410_GPD(9), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpull(S3C2410_GPD(8), S3C_GPIO_PULL_NONE);
}
}

16
arch/arm/plat-s3c24xx/spi-bus1-gpg5_6_7.c
View File

@ -21,16 +21,16 @@ void s3c24xx_spi_gpiocfg_bus1_gpg5_6_7(struct s3c2410_spi_info *spi,
int enable)
{
if (enable) {
s3c2410_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPG7_SPICLK1);
s3c2410_gpio_cfgpin(S3C2410_GPG(6), S3C2410_GPG6_SPIMOSI1);
s3c2410_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPG5_SPIMISO1);
s3c_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPG7_SPICLK1);
s3c_gpio_cfgpin(S3C2410_GPG(6), S3C2410_GPG6_SPIMOSI1);
s3c_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPG5_SPIMISO1);
s3c2410_gpio_pullup(S3C2410_GPG(5), 0);
s3c2410_gpio_pullup(S3C2410_GPG(6), 0);
} else {
s3c2410_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPIO_INPUT);
s3c2410_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPIO_INPUT);
s3c2410_gpio_pullup(S3C2410_GPG(5), 1);
s3c2410_gpio_pullup(S3C2410_GPG(6), 1);
s3c2410_gpio_pullup(S3C2410_GPG(7), 1);
s3c_gpio_cfgpin(S3C2410_GPG(7), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpin(S3C2410_GPG(5), S3C2410_GPIO_INPUT);
s3c_gpio_cfgpull(S3C2410_GPG(5), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpull(S3C2410_GPG(6), S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpull(S3C2410_GPG(7), S3C_GPIO_PULL_NONE);
}
}

15
arch/arm/plat-samsung/clock.c
View File

@ -376,6 +376,21 @@ void __init s3c_register_clocks(struct clk *clkp, int nr_clks)
}
}
/**
* s3c_disable_clocks() - disable an array of clocks
* @clkp: Pointer to the first clock in the array.
* @nr_clks: Number of clocks to register.
*
* for internal use only at initialisation time. disable the clocks in the
* @clkp array.
*/
void __init s3c_disable_clocks(struct clk *clkp, int nr_clks)
{
for (; nr_clks > 0; nr_clks--, clkp++)
(clkp->enable)(clkp, 0);
}
/* initalise all the clocks */
int __init s3c24xx_register_baseclocks(unsigned long xtal)

103
arch/arm/plat-samsung/gpio-config.c
View File

@ -1,7 +1,7 @@
/* linux/arch/arm/plat-s3c/gpio-config.c
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Copyright 2008-2010 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
@ -41,6 +41,26 @@ int s3c_gpio_cfgpin(unsigned int pin, unsigned int config)
}
EXPORT_SYMBOL(s3c_gpio_cfgpin);
unsigned s3c_gpio_getcfg(unsigned int pin)
{
struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
unsigned long flags;
unsigned ret = 0;
int offset;
if (chip) {
offset = pin - chip->chip.base;
local_irq_save(flags);
ret = s3c_gpio_do_getcfg(chip, offset);
local_irq_restore(flags);
}
return ret;
}
EXPORT_SYMBOL(s3c_gpio_getcfg);
int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
{
struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin);
@ -61,8 +81,8 @@ int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull)
EXPORT_SYMBOL(s3c_gpio_setpull);
#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX
int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip,
unsigned int off, unsigned int cfg)
int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
unsigned int off, unsigned int cfg)
{
void __iomem *reg = chip->base;
unsigned int shift = off;
@ -87,6 +107,19 @@ int s3c_gpio_setcfg_s3c24xx_banka(struct s3c_gpio_chip *chip,
return 0;
}
unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
unsigned int off)
{
u32 con;
con = __raw_readl(chip->base);
con >>= off;
con &= 1;
con++;
return S3C_GPIO_SFN(con);
}
int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
unsigned int off, unsigned int cfg)
{
@ -109,6 +142,19 @@ int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
return 0;
}
unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
unsigned int off)
{
u32 con;
con = __raw_readl(chip->base);
con >>= off * 2;
con &= 3;
/* this conversion works for IN and OUT as well as special mode */
return S3C_GPIO_SPECIAL(con);
}
#endif
#ifdef CONFIG_S3C_GPIO_CFG_S3C64XX
@ -134,6 +180,25 @@ int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
return 0;
}
unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
unsigned int off)
{
void __iomem *reg = chip->base;
unsigned int shift = (off & 7) * 4;
u32 con;
if (off < 8 && chip->chip.ngpio > 8)
reg -= 4;
con = __raw_readl(reg);
con >>= shift;
con &= 0xf;
/* this conversion works for IN and OUT as well as special mode */
return S3C_GPIO_SPECIAL(con);
}
#endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */
#ifdef CONFIG_S3C_GPIO_PULL_UPDOWN
@ -164,3 +229,35 @@ s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
return (__force s3c_gpio_pull_t)pup;
}
#endif
#ifdef CONFIG_S3C_GPIO_PULL_UP
int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip,
unsigned int off, s3c_gpio_pull_t pull)
{
void __iomem *reg = chip->base + 0x08;
u32 pup = __raw_readl(reg);
pup = __raw_readl(reg);
if (pup == S3C_GPIO_PULL_UP)
pup &= ~(1 << off);
else if (pup == S3C_GPIO_PULL_NONE)
pup |= (1 << off);
else
return -EINVAL;
__raw_writel(pup, reg);
return 0;
}
s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
unsigned int off)
{
void __iomem *reg = chip->base + 0x08;
u32 pup = __raw_readl(reg);
pup &= (1 << off);
return pup ? S3C_GPIO_PULL_NONE : S3C_GPIO_PULL_UP;
}
#endif /* CONFIG_S3C_GPIO_PULL_UP */

1
arch/arm/plat-samsung/include/plat/clock.h
View File

@ -91,6 +91,7 @@ extern int s3c24xx_register_clock(struct clk *clk);
extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);
extern void s3c_register_clocks(struct clk *clk, int nr_clks);
extern void s3c_disable_clocks(struct clk *clkp, int nr_clks);
extern int s3c24xx_register_baseclocks(unsigned long xtal);

1
arch/arm/plat-samsung/include/plat/cpu.h
View File

@ -73,6 +73,7 @@ extern struct sys_timer s3c24xx_timer;
extern struct sysdev_class s3c2410_sysclass;
extern struct sysdev_class s3c2410a_sysclass;
extern struct sysdev_class s3c2412_sysclass;
extern struct sysdev_class s3c2416_sysclass;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
extern struct sysdev_class s3c2443_sysclass;

58
arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
View File

@ -30,6 +30,12 @@ static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip,
return (chip->config->set_config)(chip, off, config);
}
static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip,
unsigned int off)
{
return (chip->config->get_config)(chip, off);
}
static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
unsigned int off, s3c_gpio_pull_t pull)
{
@ -52,6 +58,18 @@ static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip,
extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
unsigned int off, unsigned int cfg);
/**
* s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read.
* @chip: The gpio chip that is being configured.
* @off: The offset for the GPIO being configured.
*
* The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg
* could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the
* S3C_GPIO_SPECIAL() macro.
*/
unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip,
unsigned int off);
/**
* s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A)
* @chip: The gpio chip that is being configured.
@ -65,6 +83,21 @@ extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip,
extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
unsigned int off, unsigned int cfg);
/**
* s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A)
* @chip: The gpio chip that is being configured.
* @off: The offset for the GPIO being configured.
*
* The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable
* GPIO configuration value.
*
* @sa s3c_gpio_getcfg_s3c24xx
* @sa s3c_gpio_getcfg_s3c64xx_4bit
*/
extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
unsigned int off);
/**
* s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config.
* @chip: The gpio chip that is being configured.
@ -85,6 +118,20 @@ extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
unsigned int off, unsigned int cfg);
/**
* s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read.
* @chip: The gpio chip that is being configured.
* @off: The offset for the GPIO being configured.
*
* The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration
* register setting into a value the software can use, such as could be passed
* to s3c_gpio_setcfg_s3c64xx_4bit().
*
* @sa s3c_gpio_getcfg_s3c24xx
*/
extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
unsigned int off);
/* Pull-{up,down} resistor controls.
*
* S3C2410,S3C2440,S3C24A0 = Pull-UP,
@ -145,6 +192,17 @@ extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip,
extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip,
unsigned int off);
/**
* s3c_gpio_getpull_1up() - Get configuration for choice of up or none
* @chip: The gpio chip that the GPIO pin belongs to
* @off: The offset to the pin to get the configuration of.
*
* This helper function reads the state of the pull-up resistor for the
* given GPIO in the same case as s3c_gpio_setpull_1up.
*/
extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip,
unsigned int off);
/**
* s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443.
* @chip: The gpio chip that is being configured.

11
arch/arm/plat-samsung/include/plat/gpio-cfg.h
View File

@ -77,6 +77,17 @@ struct s3c_gpio_cfg {
*/
extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);
/**
* s3c_gpio_getcfg - Read the current function for a GPIO pin
* @pin: The pin to read the configuration value for.
*
* Read the configuration state of the given @pin, returning a value that
* could be passed back to s3c_gpio_cfgpin().
*
* @sa s3c_gpio_cfgpin
*/
extern unsigned s3c_gpio_getcfg(unsigned int pin);
/* Define values for the pull-{up,down} available for each gpio pin.
*
* These values control the state of the weak pull-{up,down} resistors

3
arch/arm/plat-samsung/include/plat/gpio-core.h
View File

@ -108,6 +108,9 @@ extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip);
extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
/* exported for core SoC support to change */
extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default;
#ifdef CONFIG_S3C_GPIO_TRACK
extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];

51
arch/arm/plat-samsung/include/plat/pll6553x.h Normal file
View File

@ -0,0 +1,51 @@
/* arch/arm/plat-samsung/include/plat/pll6553x.h
* partially from arch/arm/mach-s3c64xx/include/mach/pll.h
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* Samsung PLL6553x PLL code
*
* 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.
*/
/* S3C6400 and compatible (S3C2416, etc.) EPLL code */
#define PLL6553X_MDIV_MASK ((1 << (23-16)) - 1)
#define PLL6553X_PDIV_MASK ((1 << (13-8)) - 1)
#define PLL6553X_SDIV_MASK ((1 << (2-0)) - 1)
#define PLL6553X_MDIV_SHIFT (16)
#define PLL6553X_PDIV_SHIFT (8)
#define PLL6553X_SDIV_SHIFT (0)
#define PLL6553X_KDIV_MASK (0xffff)
static inline unsigned long s3c_get_pll6553x(unsigned long baseclk,
u32 pll0, u32 pll1)
{
unsigned long result;
u32 mdiv, pdiv, sdiv, kdiv;
u64 tmp;
mdiv = (pll0 >> PLL6553X_MDIV_SHIFT) & PLL6553X_MDIV_MASK;
pdiv = (pll0 >> PLL6553X_PDIV_SHIFT) & PLL6553X_PDIV_MASK;
sdiv = (pll0 >> PLL6553X_SDIV_SHIFT) & PLL6553X_SDIV_MASK;
kdiv = pll1 & PLL6553X_KDIV_MASK;
/* We need to multiple baseclk by mdiv (the integer part) and kdiv
* which is in 2^16ths, so shift mdiv up (does not overflow) and
* add kdiv before multiplying. The use of tmp is to avoid any
* overflows before shifting bac down into result when multipling
* by the mdiv and kdiv pair.
*/
tmp = baseclk;
tmp *= (mdiv << 16) + kdiv;
do_div(tmp, (pdiv << sdiv));
result = tmp >> 16;
return result;
}

7
drivers/serial/Kconfig
View File

@ -518,12 +518,13 @@ config SERIAL_S3C2412
Serial port support for the Samsung S3C2412 and S3C2413 SoC
config SERIAL_S3C2440
tristate "Samsung S3C2440/S3C2442 Serial port support"
depends on SERIAL_SAMSUNG && (CPU_S3C2440 || CPU_S3C2442)
tristate "Samsung S3C2440/S3C2442/S3C2416 Serial port support"
depends on SERIAL_SAMSUNG && (CPU_S3C2440 || CPU_S3C2442 || CPU_S3C2416)
default y if CPU_S3C2440
default y if CPU_S3C2442
select SERIAL_SAMSUNG_UARTS_4 if CPU_S3C2416
help
Serial port support for the Samsung S3C2440 and S3C2442 SoC
Serial port support for the Samsung S3C2440, S3C2416 and S3C2442 SoC
config SERIAL_S3C24A0
tristate "Samsung S3C24A0 Serial port support"