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

ARM: Exynos fixes for 3.10-rc

Browse Source 
Here's a shorter set of fixes for 3.10, all for Samsung Exynos platforms.
 
 It also includes a defconfig update so that exynos_defconfig provides
 a meaningful set of drivers to boot an unmodified kernel on the Samsung
 ARM-based Chromebooks.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v1.4.11 (GNU/Linux)
 
 iQIcBAABAgAGBQJRpU7rAAoJEIwa5zzehBx3AusQAIOzT/Gp8wUSUDhH4CfS6ByX
 DqQrKhhg8jzkP7crQjeMMsdu0kkLhn1Q+XuT+Vb9eEVVKRIqztk3iqcLSS+qzMNf
 DbEoMj9AaC9ovyLh694JxVgBScOYv9nFfUl3/bZa7jgXbzF4KsXPmTffi6TnBgHN
 Hc/hlhRX8FOhVKIVL3UbKifjw671n3jP87iov68IPcBd3J4sCtP5H3SWGCDa/eP9
 JOQShtnGGThghfHMl0QnMEExtPJ86zq/ZVH6y2Mhxp6AErq0k7P9E6123QANgKe8
 ejS/VmTJL9jOwXL8HT94bBHjT1QV9dnhbrzen8H2jIEiWyu/H8aFiSGz/wAz8sSO
 bPknczUI/QhjcmLnj7+GB1TIyfbj+DA9E8jdDyZ6tkqGKb2xWdN2R5tCgGwfy8Xa
 bz9aUP4W8ISGGx7ime2RLLfKoOLBwjGHWzbG9b4coa2v5O7LZrwQJEV2LTT6zg+s
 MyJ62RFTG33lkVzJGJgUMOXh6vyTw2cybh4G7f/a7nKt5N6ktTGThpMKuSvhyH9D
 lKKSq+xAnf1LMwzRtwgn0nn/Xe9I9lSve/BaR5fL+bGNgZ28l51xNKFd4HLqvQ1Z
 AObdlupfy377bs6IPjFKOr/daZet7OziBP72t9Px/ar2wJ8kqeY1dicgVkVN6n/3
 of5xhz13QymuaD3Lz3d+
 =TUvk
 -----END PGP SIGNATURE-----

Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM Exynos fixes from Olof Johansson:
 "Here's a shorter set of fixes for 3.10, all for Samsung Exynos
  platforms.

  It also includes a defconfig update so that exynos_defconfig provides
  a meaningful set of drivers to boot an unmodified kernel on the
  Samsung ARM-based Chromebooks."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: exynos: defconfig update
  ARM: SAMSUNG: Add names to fimd0 IRQ resources
  ARM: EXYNOS: fix software reset logic for EXYNOS5440 SOC
  ARM: EXYNOS: Fix support of Exynos4210 rev0 SoC
  ARM: dts: Enabling samsung-usb2phy driver for exynos5250
This commit is contained in:
Linus Torvalds 2013-05-29 19:24:55 +09:00
commit c476321533
7 changed files with 107 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/arm/boot/dts/exynos5250.dtsi
View File

@ -497,6 +497,21 @@
clock-names = "usbhost";
};
usbphy@12130000 {
compatible = "samsung,exynos5250-usb2phy";
reg = <0x12130000 0x100>;
clocks = <&clock 1>, <&clock 285>;
clock-names = "ext_xtal", "usbhost";
#address-cells = <1>;
#size-cells = <1>;
ranges;
usbphy-sys {
reg = <0x10040704 0x8>,
<0x10050230 0x4>;
};
};
amba {
#address-cells = <1>;
#size-cells = <1>;

54
arch/arm/configs/exynos_defconfig
View File

@ -1,4 +1,4 @@
CONFIG_EXPERIMENTAL=y
CONFIG_SYSVIPC=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BLK_DEV_INITRD=y
@ -7,17 +7,18 @@ CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_PARTITION_ADVANCED=y
CONFIG_EFI_PARTITION=y
CONFIG_ARCH_EXYNOS=y
CONFIG_S3C_LOWLEVEL_UART_PORT=1
CONFIG_S3C_LOWLEVEL_UART_PORT=3
CONFIG_S3C24XX_PWM=y
CONFIG_ARCH_EXYNOS5=y
CONFIG_MACH_EXYNOS4_DT=y
CONFIG_MACH_EXYNOS5_DT=y
CONFIG_SMP=y
CONFIG_NR_CPUS=2
CONFIG_PREEMPT=y
CONFIG_AEABI=y
CONFIG_HIGHMEM=y
CONFIG_ZBOOT_ROM_TEXT=0x0
CONFIG_ZBOOT_ROM_BSS=0x0
CONFIG_ARM_APPENDED_DTB=y
CONFIG_ARM_ATAG_DTB_COMPAT=y
CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M"
@ -30,35 +31,58 @@ CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_RFKILL_REGULATOR=y
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_PROC_DEVICETREE=y
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_CRYPTOLOOP=y
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=8192
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_SG=y
CONFIG_MD=y
CONFIG_BLK_DEV_DM=y
CONFIG_DM_CRYPT=m
CONFIG_NETDEVICES=y
CONFIG_SMSC911X=y
CONFIG_USB_USBNET=y
CONFIG_USB_NET_SMSC75XX=y
CONFIG_USB_NET_SMSC95XX=y
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
CONFIG_KEYBOARD_CROS_EC=y
# CONFIG_MOUSE_PS2 is not set
CONFIG_MOUSE_CYAPA=y
CONFIG_INPUT_TOUCHSCREEN=y
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_SAMSUNG=y
CONFIG_SERIAL_SAMSUNG_CONSOLE=y
CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
CONFIG_TCG_TPM=y
CONFIG_TCG_TIS_I2C_INFINEON=y
CONFIG_I2C=y
CONFIG_I2C_MUX=y
CONFIG_I2C_ARB_GPIO_CHALLENGE=y
CONFIG_I2C_S3C2410=y
CONFIG_DEBUG_GPIO=y
# CONFIG_HWMON is not set
CONFIG_MFD_CROS_EC=y
CONFIG_MFD_CROS_EC_I2C=y
CONFIG_MFD_MAX77686=y
CONFIG_MFD_MAX8997=y
CONFIG_MFD_SEC_CORE=y
CONFIG_MFD_TPS65090=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_MAX8997=y
CONFIG_REGULATOR_MAX77686=y
CONFIG_REGULATOR_S5M8767=y
CONFIG_REGULATOR_TPS65090=y
CONFIG_FB=y
CONFIG_FB_MODE_HELPERS=y
CONFIG_FB_SIMPLE=y
CONFIG_EXYNOS_VIDEO=y
CONFIG_EXYNOS_MIPI_DSI=y
CONFIG_EXYNOS_DP=y
@ -67,6 +91,20 @@ CONFIG_FONTS=y
CONFIG_FONT_7x14=y
CONFIG_LOGO=y
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_S5P=y
CONFIG_USB_STORAGE=y
CONFIG_USB_DWC3=y
CONFIG_USB_PHY=y
CONFIG_SAMSUNG_USB2PHY=y
CONFIG_SAMSUNG_USB3PHY=y
CONFIG_MMC=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_S3C=y
CONFIG_MMC_DW=y
CONFIG_MMC_DW_IDMAC=y
CONFIG_MMC_DW_EXYNOS=y
CONFIG_COMMON_CLK_MAX77686=y
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
@ -79,6 +117,7 @@ CONFIG_ROMFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ASCII=y
CONFIG_NLS_ISO8859_1=y
CONFIG_PRINTK_TIME=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DETECT_HUNG_TASK=y
@ -87,6 +126,5 @@ CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_USER=y
CONFIG_DEBUG_LL=y
CONFIG_EARLY_PRINTK=y
CONFIG_CRYPTO_SHA256=y
CONFIG_CRC_CCITT=y

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

@ -250,6 +250,7 @@ config MACH_ARMLEX4210
config MACH_UNIVERSAL_C210
bool "Mobile UNIVERSAL_C210 Board"
select CLKSRC_MMIO
select CLKSRC_SAMSUNG_PWM
select CPU_EXYNOS4210
select EXYNOS4_SETUP_FIMC
select EXYNOS4_SETUP_FIMD0
@ -281,7 +282,6 @@ config MACH_UNIVERSAL_C210
select S5P_DEV_TV
select S5P_GPIO_INT
select S5P_SETUP_MIPIPHY
select SAMSUNG_HRT
help
Machine support for Samsung Mobile Universal S5PC210 Reference
Board.
@ -410,6 +410,7 @@ config MACH_EXYNOS4_DT
depends on ARCH_EXYNOS4
select ARM_AMBA
select CLKSRC_OF
select CLKSRC_SAMSUNG_PWM if CPU_EXYNOS4210
select CPU_EXYNOS4210
select KEYBOARD_SAMSUNG if INPUT_KEYBOARD
select PINCTRL

39
arch/arm/mach-exynos/common.c
View File

@ -10,12 +10,14 @@
*/
#include <linux/kernel.h>
#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/io.h>
#include <linux/device.h>
#include <linux/gpio.h>
#include <clocksource/samsung_pwm.h>
#include <linux/sched.h>
#include <linux/serial_core.h>
#include <linux/of.h>
@ -302,6 +304,13 @@ static struct map_desc exynos5440_iodesc0[] __initdata = {
},
};
static struct samsung_pwm_variant exynos4_pwm_variant = {
.bits = 32,
.div_base = 0,
.has_tint_cstat = true,
.tclk_mask = 0,
};
void exynos4_restart(char mode, const char *cmd)
{
__raw_writel(0x1, S5P_SWRESET);
@ -317,9 +326,16 @@ void exynos5_restart(char mode, const char *cmd)
val = 0x1;
addr = EXYNOS_SWRESET;
} else if (of_machine_is_compatible("samsung,exynos5440")) {
u32 status;
np = of_find_compatible_node(NULL, NULL, "samsung,exynos5440-clock");
addr = of_iomap(np, 0) + 0xbc;
status = __raw_readl(addr);
addr = of_iomap(np, 0) + 0xcc;
val = (0xfff << 20) | (0x1 << 16);
val = __raw_readl(addr);
val = (val & 0xffff0000) | (status & 0xffff);
} else {
pr_err("%s: cannot support non-DT\n", __func__);
return;
@ -442,8 +458,20 @@ static void __init exynos5440_map_io(void)
iotable_init(exynos5440_iodesc0, ARRAY_SIZE(exynos5440_iodesc0));
}
void __init exynos_set_timer_source(u8 channels)
{
exynos4_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
exynos4_pwm_variant.output_mask &= ~channels;
}
void __init exynos_init_time(void)
{
unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
EXYNOS4_IRQ_TIMER0_VIC, EXYNOS4_IRQ_TIMER1_VIC,
EXYNOS4_IRQ_TIMER2_VIC, EXYNOS4_IRQ_TIMER3_VIC,
EXYNOS4_IRQ_TIMER4_VIC,
};
if (of_have_populated_dt()) {
#ifdef CONFIG_OF
of_clk_init(NULL);
@ -455,7 +483,14 @@ void __init exynos_init_time(void)
exynos4_clk_init(NULL, !soc_is_exynos4210(), S5P_VA_CMU, readl(S5P_VA_CHIPID + 8) & 1);
exynos4_clk_register_fixed_ext(xxti_f, xusbxti_f);
#endif
mct_init(S5P_VA_SYSTIMER, EXYNOS4_IRQ_MCT_G0, EXYNOS4_IRQ_MCT_L0, EXYNOS4_IRQ_MCT_L1);
#ifdef CONFIG_CLKSRC_SAMSUNG_PWM
if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
samsung_pwm_clocksource_init(S3C_VA_TIMER,
timer_irqs, &exynos4_pwm_variant);
else
#endif
mct_init(S5P_VA_SYSTIMER, EXYNOS4_IRQ_MCT_G0,
EXYNOS4_IRQ_MCT_L0, EXYNOS4_IRQ_MCT_L1);
}
}

2
arch/arm/mach-exynos/common.h
View File

@ -32,6 +32,8 @@ void exynos4_clk_register_fixed_ext(unsigned long, unsigned long);
void exynos_firmware_init(void);
void exynos_set_timer_source(u8 channels);
#ifdef CONFIG_PM_GENERIC_DOMAINS
int exynos_pm_late_initcall(void);
#else

5
arch/arm/mach-exynos/mach-universal_c210.c
View File

@ -41,7 +41,6 @@
#include <plat/mfc.h>
#include <plat/sdhci.h>
#include <plat/fimc-core.h>
#include <plat/samsung-time.h>
#include <plat/camport.h>
#include <mach/map.h>
@ -1094,7 +1093,7 @@ static void __init universal_map_io(void)
{
exynos_init_io(NULL, 0);
s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM2, SAMSUNG_PWM4);
exynos_set_timer_source(BIT(2) | BIT(4));
xxti_f = 0;
xusbxti_f = 24000000;
}
@ -1154,7 +1153,7 @@ MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
.map_io = universal_map_io,
.init_machine = universal_machine_init,
.init_late = exynos_init_late,
.init_time = samsung_timer_init,
.init_time = exynos_init_time,
.reserve = &universal_reserve,
.restart = exynos4_restart,
MACHINE_END

6
arch/arm/plat-samsung/devs.c
View File

@ -311,9 +311,9 @@ struct platform_device s5p_device_jpeg = {
#ifdef CONFIG_S5P_DEV_FIMD0
static struct resource s5p_fimd0_resource[] = {
[0] = DEFINE_RES_MEM(S5P_PA_FIMD0, SZ_32K),
[1] = DEFINE_RES_IRQ(IRQ_FIMD0_VSYNC),
[2] = DEFINE_RES_IRQ(IRQ_FIMD0_FIFO),
[3] = DEFINE_RES_IRQ(IRQ_FIMD0_SYSTEM),
[1] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_VSYNC, "vsync"),
[2] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_FIFO, "fifo"),
[3] = DEFINE_RES_IRQ_NAMED(IRQ_FIMD0_SYSTEM, "lcd_sys"),
};
struct platform_device s5p_device_fimd0 = {