config ARM_VIC
bool
+config ARM_VIC_NR
+ int
+ default 2
+ help
+ The maximum number of VICs available in the system, for
+ power management.
+
config ICST525
bool
#include <linux/init.h>
#include <linux/list.h>
#include <linux/io.h>
+#include <linux/sysdev.h>
#include <asm/mach/irq.h>
#include <asm/hardware/vic.h>
writel(1 << irq, base + VIC_INT_ENABLE);
}
+/**
+ * vic_init2 - common initialisation code
+ * @base: Base of the VIC.
+ *
+ * Common initialisation code for registeration
+ * and resume.
+*/
+static void vic_init2(void __iomem *base)
+{
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
+ writel(VIC_VECT_CNTL_ENABLE | i, reg);
+ }
+
+ writel(32, base + VIC_PL190_DEF_VECT_ADDR);
+}
+
+#if defined(CONFIG_PM)
+/**
+ * struct vic_device - VIC PM device
+ * @sysdev: The system device which is registered.
+ * @irq: The IRQ number for the base of the VIC.
+ * @base: The register base for the VIC.
+ * @resume_sources: A bitmask of interrupts for resume.
+ * @resume_irqs: The IRQs enabled for resume.
+ * @int_select: Save for VIC_INT_SELECT.
+ * @int_enable: Save for VIC_INT_ENABLE.
+ * @soft_int: Save for VIC_INT_SOFT.
+ * @protect: Save for VIC_PROTECT.
+ */
+struct vic_device {
+ struct sys_device sysdev;
+
+ void __iomem *base;
+ int irq;
+ u32 resume_sources;
+ u32 resume_irqs;
+ u32 int_select;
+ u32 int_enable;
+ u32 soft_int;
+ u32 protect;
+};
+
+/* we cannot allocate memory when VICs are initially registered */
+static struct vic_device vic_devices[CONFIG_ARM_VIC_NR];
+
+static inline struct vic_device *to_vic(struct sys_device *sys)
+{
+ return container_of(sys, struct vic_device, sysdev);
+}
+
+static int vic_id;
+
+static int vic_class_resume(struct sys_device *dev)
+{
+ struct vic_device *vic = to_vic(dev);
+ void __iomem *base = vic->base;
+
+ printk(KERN_DEBUG "%s: resuming vic at %p\n", __func__, base);
+
+ /* re-initialise static settings */
+ vic_init2(base);
+
+ writel(vic->int_select, base + VIC_INT_SELECT);
+ writel(vic->protect, base + VIC_PROTECT);
+
+ /* set the enabled ints and then clear the non-enabled */
+ writel(vic->int_enable, base + VIC_INT_ENABLE);
+ writel(~vic->int_enable, base + VIC_INT_ENABLE_CLEAR);
+
+ /* and the same for the soft-int register */
+
+ writel(vic->soft_int, base + VIC_INT_SOFT);
+ writel(~vic->soft_int, base + VIC_INT_SOFT_CLEAR);
+
+ return 0;
+}
+
+static int vic_class_suspend(struct sys_device *dev, pm_message_t state)
+{
+ struct vic_device *vic = to_vic(dev);
+ void __iomem *base = vic->base;
+
+ printk(KERN_DEBUG "%s: suspending vic at %p\n", __func__, base);
+
+ vic->int_select = readl(base + VIC_INT_SELECT);
+ vic->int_enable = readl(base + VIC_INT_ENABLE);
+ vic->soft_int = readl(base + VIC_INT_SOFT);
+ vic->protect = readl(base + VIC_PROTECT);
+
+ /* set the interrupts (if any) that are used for
+ * resuming the system */
+
+ writel(vic->resume_irqs, base + VIC_INT_ENABLE);
+ writel(~vic->resume_irqs, base + VIC_INT_ENABLE_CLEAR);
+
+ return 0;
+}
+
+struct sysdev_class vic_class = {
+ .name = "vic",
+ .suspend = vic_class_suspend,
+ .resume = vic_class_resume,
+};
+
+/**
+ * vic_pm_register - Register a VIC for later power management control
+ * @base: The base address of the VIC.
+ * @irq: The base IRQ for the VIC.
+ * @resume_sources: bitmask of interrupts allowed for resume sources.
+ *
+ * Register the VIC with the system device tree so that it can be notified
+ * of suspend and resume requests and ensure that the correct actions are
+ * taken to re-instate the settings on resume.
+ */
+static void __init vic_pm_register(void __iomem *base, unsigned int irq, u32 resume_sources)
+{
+ struct vic_device *v;
+
+ if (vic_id >= ARRAY_SIZE(vic_devices))
+ printk(KERN_ERR "%s: too few VICs, increase CONFIG_ARM_VIC_NR\n", __func__);
+ else {
+ v = &vic_devices[vic_id];
+ v->base = base;
+ v->resume_sources = resume_sources;
+ v->irq = irq;
+ vic_id++;
+ }
+}
+
+/**
+ * vic_pm_init - initicall to register VIC pm
+ *
+ * This is called via late_initcall() to register
+ * the resources for the VICs due to the early
+ * nature of the VIC's registration.
+*/
+static int __init vic_pm_init(void)
+{
+ struct vic_device *dev = vic_devices;
+ int err;
+ int id;
+
+ if (vic_id == 0)
+ return 0;
+
+ err = sysdev_class_register(&vic_class);
+ if (err) {
+ printk(KERN_ERR "%s: cannot register class\n", __func__);
+ return err;
+ }
+
+ for (id = 0; id < vic_id; id++, dev++) {
+ dev->sysdev.id = id;
+ dev->sysdev.cls = &vic_class;
+
+ err = sysdev_register(&dev->sysdev);
+ if (err) {
+ printk(KERN_ERR "%s: failed to register device\n",
+ __func__);
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+late_initcall(vic_pm_init);
+
+static struct vic_device *vic_from_irq(unsigned int irq)
+{
+ struct vic_device *v = vic_devices;
+ unsigned int base_irq = irq & ~31;
+ int id;
+
+ for (id = 0; id < vic_id; id++, v++) {
+ if (v->irq == base_irq)
+ return v;
+ }
+
+ return NULL;
+}
+
+static int vic_set_wake(unsigned int irq, unsigned int on)
+{
+ struct vic_device *v = vic_from_irq(irq);
+ unsigned int off = irq & 31;
+
+ if (!v)
+ return -EINVAL;
+
+ if (on)
+ v->resume_irqs |= 1 << off;
+ else
+ v->resume_irqs &= ~(1 << off);
+
+ return 0;
+}
+
+#else
+static inline void vic_pm_register(void __iomem *base, unsigned int irq, u32 arg1) { }
+
+#define vic_set_wake NULL
+#endif /* CONFIG_PM */
+
static struct irq_chip vic_chip = {
.name = "VIC",
.ack = vic_mask_irq,
.mask = vic_mask_irq,
.unmask = vic_unmask_irq,
+ .set_wake = vic_set_wake,
};
/**
* @base: iomem base address
* @irq_start: starting interrupt number, must be muliple of 32
* @vic_sources: bitmask of interrupt sources to allow
+ * @resume_sources: bitmask of interrupt sources to allow for resume
*/
void __init vic_init(void __iomem *base, unsigned int irq_start,
- u32 vic_sources)
+ u32 vic_sources, u32 resume_sources)
{
unsigned int i;
writel(value, base + VIC_PL190_VECT_ADDR);
}
- for (i = 0; i < 16; i++) {
- void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4);
- writel(VIC_VECT_CNTL_ENABLE | i, reg);
- }
-
- writel(32, base + VIC_PL190_DEF_VECT_ADDR);
+ vic_init2(base);
for (i = 0; i < 32; i++) {
if (vic_sources & (1 << i)) {
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
}
}
+
+ vic_pm_register(base, irq_start, resume_sources);
}
#define VIC_PL192_VECT_ADDR 0xF00
#ifndef __ASSEMBLY__
-void vic_init(void __iomem *base, unsigned int irq_start, u32 vic_sources);
+void vic_init(void __iomem *base, unsigned int irq_start, u32 vic_sources, u32 resume_sources);
#endif
#endif
{
int gpio_irq;
- vic_init((void *)EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK);
- vic_init((void *)EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK);
+ vic_init((void *)EP93XX_VIC1_BASE, 0, EP93XX_VIC1_VALID_IRQ_MASK, 0);
+ vic_init((void *)EP93XX_VIC2_BASE, 32, EP93XX_VIC2_VALID_IRQ_MASK, 0);
for (gpio_irq = gpio_to_irq(0);
gpio_irq <= gpio_to_irq(EP93XX_GPIO_LINE_MAX_IRQ); ++gpio_irq) {
{
int irq;
- vic_init(__io(io_p2v(NETX_PA_VIC)), 0, ~0);
+ vic_init(__io(io_p2v(NETX_PA_VIC)), 0, ~0, 0);
for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) {
set_irq_chip(irq, &netx_hif_chip);
bool "IPAQ H1940"
select CPU_S3C2410
select PM_H1940 if PM
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the HP IPAQ H1940
config MACH_N30
bool "Acer N30 family"
select CPU_S3C2410
+ select S3C_DEV_USB_HOST
help
Say Y here if you want suppt for the Acer N30, Acer N35,
Navman PiN570, Yakumo AlphaX or Airis NC05 PDAs.
select MACH_BAST_IDE
select S3C24XX_DCLK
select ISA
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Simtec Electronics EB2410ITX
development board (also known as BAST)
config MACH_OTOM
bool "NexVision OTOM Board"
select CPU_S3C2410
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Nex Vision OTOM board
bool "AML M5900 Series"
select CPU_S3C2410
select PM_SIMTEC if PM
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the American Microsystems M5900 Series
<http://www.amltd.com>
config MACH_TCT_HAMMER
bool "TCT Hammer Board"
select CPU_S3C2410
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the TinCanTools Hammer Board
<http://www.tincantools.com>
select SIMTEC_NOR
select MACH_BAST_IDE
select CPU_S3C2410
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Thorcom VR1000 board.
config MACH_QT2410
bool "QT2410"
select CPU_S3C2410
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Armzone QT2410
#define S3C24XX_PA_IRQ S3C2410_PA_IRQ
#define S3C24XX_PA_MEMCTRL S3C2410_PA_MEMCTRL
-#define S3C24XX_PA_USBHOST S3C2410_PA_USBHOST
#define S3C24XX_PA_DMA S3C2410_PA_DMA
#define S3C24XX_PA_CLKPWR S3C2410_PA_CLKPWR
#define S3C24XX_PA_LCD S3C2410_PA_LCD
#define S3C_PA_IIC S3C2410_PA_IIC
#define S3C_PA_UART S3C24XX_PA_UART
+#define S3C_PA_USBHOST S3C2410_PA_USBHOST
#define S3C_PA_HSMMC0 S3C2443_PA_HSMMC
#endif /* __ASM_ARCH_MAP_H */
*/
#include <mach/hardware.h>
-#include <linux/io.h>
-
-#include <plat/regs-watchdog.h>
-#include <mach/regs-clock.h>
-
-#include <linux/clk.h>
-#include <linux/err.h>
+#include <plat/watchdog-reset.h>
extern void (*s3c24xx_reset_hook)(void);
static void
arch_reset(char mode, const char *cmd)
{
- struct clk *wdtclk;
-
if (mode == 's') {
cpu_reset(0);
}
if (s3c24xx_reset_hook)
s3c24xx_reset_hook();
- printk("arch_reset: attempting watchdog reset\n");
-
- __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */
-
- wdtclk = clk_get(NULL, "watchdog");
- if (!IS_ERR(wdtclk)) {
- clk_enable(wdtclk);
- } else
- printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
-
- /* put initial values into count and data */
- __raw_writel(0x80, S3C2410_WTCNT);
- __raw_writel(0x80, S3C2410_WTDAT);
-
- /* set the watchdog to go and reset... */
- __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
- S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
-
- /* wait for reset to assert... */
- mdelay(500);
-
- printk(KERN_ERR "Watchdog reset failed to assert reset\n");
-
- /* delay to allow the serial port to show the message */
- mdelay(50);
+ arch_wdt_reset();
/* we'll take a jump through zero as a poor second */
cpu_reset(0);
config MACH_JIVE
bool "Logitech Jive"
select CPU_S3C2412
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Logitech Jive.
select CPU_S3C2412
select MACH_S3C2413
select MACH_SMDK
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using an SMDK2413
config MACH_VSTMS
bool "VMSTMS"
select CPU_S3C2412
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using an VSTMS board
select PM_SIMTEC if PM
select HAVE_PATA_PLATFORM
select S3C24XX_GPIO_EXTRA64
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Simtec Electronics ANUBIS
development system
select S3C24XX_DCLK
select PM_SIMTEC if PM
select S3C24XX_GPIO_EXTRA128
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Simtec IM2440D20 module, also
known as the Osiris.
bool "SMDK2440"
select CPU_S3C2440
select MACH_SMDK
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the SMDK2440.
config MACH_NEXCODER_2440
bool "NexVision NEXCODER 2440 Light Board"
select CPU_S3C2440
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the Nex Vision NEXCODER 2440 Light Board
config MACH_AT2440EVB
bool "Avantech AT2440EVB development board"
select CPU_S3C2440
+ select S3C_DEV_USB_HOST
help
Say Y here if you are using the AT2440EVB development board
#
# Licensed under GPLv2
-# Currently nothing here, this will be added later
+# Configuration options for the S3C6410 CPU
+
+config CPU_S3C6400
+ bool
+ select CPU_S3C6400_INIT
+ select CPU_S3C6400_CLOCK
+ help
+ Enable S3C6400 CPU support
+
+config S3C6400_SETUP_SDHCI
+ bool
+ help
+ Internal configuration for default SDHCI
+ setup for S3C6400.
+
+# S36400 Macchine support
+
+config MACH_SMDK6400
+ bool "SMDK6400"
+ select CPU_S3C6400
+ select S3C_DEV_HSMMC
+ select S3C6400_SETUP_SDHCI
+ help
+ Machine support for the Samsung SMDK6400
# Core support for S3C6400 system
-obj-n += blank.o
+obj-$(CONFIG_CPU_S3C6400) += s3c6400.o
+
+# setup support
+
+obj-$(CONFIG_S3C6400_SETUP_SDHCI) += setup-sdhci.o
+
+# Machine support
+
+obj-$(CONFIG_MACH_SMDK6400) += mach-smdk6400.o
#define S3C_VA_UART3 S3C_VA_UARTx(3)
#define S3C64XX_PA_FB (0x77100000)
+#define S3C64XX_PA_USB_HSOTG (0x7C000000)
+#define S3C64XX_PA_WATCHDOG (0x7E004000)
#define S3C64XX_PA_SYSCON (0x7E00F000)
#define S3C64XX_PA_TIMER (0x7F006000)
#define S3C64XX_PA_IIC0 (0x7F004000)
#define S3C64XX_PA_MODEM (0x74108000)
#define S3C64XX_VA_MODEM S3C_ADDR(0x00600000)
+#define S3C64XX_PA_USBHOST (0x74300000)
+
/* place VICs close together */
#define S3C_VA_VIC0 (S3C_VA_IRQ + 0x00)
#define S3C_VA_VIC1 (S3C_VA_IRQ + 0x10000)
#define S3C_PA_IIC S3C64XX_PA_IIC0
#define S3C_PA_IIC1 S3C64XX_PA_IIC1
#define S3C_PA_FB S3C64XX_PA_FB
+#define S3C_PA_USBHOST S3C64XX_PA_USBHOST
+#define S3C_PA_USB_HSOTG S3C64XX_PA_USB_HSOTG
#endif /* __ASM_ARCH_6400_MAP_H */
--- /dev/null
+/* linux/arch/arm/mach-s3c6400/include/mach/regs-clock.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C64XX - clock register compatibility with s3c24xx
+ *
+ * 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 <plat/regs-clock.h>
+
#ifndef __ASM_ARCH_SYSTEM_H
#define __ASM_ARCH_SYSTEM_H __FILE__
+#include <plat/watchdog-reset.h>
+
static void arch_idle(void)
{
/* nothing here yet */
static void arch_reset(char mode, const char *cmd)
{
- /* nothing here yet */
+ if (mode != 's')
+ arch_wdt_reset();
+
+ /* if all else fails, or mode was for soft, jump to 0 */
+ cpu_reset(0);
}
#endif /* __ASM_ARCH_IRQ_H */
--- /dev/null
+/* linux/arch/arm/mach-s3c6400/mach-smdk6400.c
+ *
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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/i2c.h>
+#include <linux/io.h>
+
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/regs-serial.h>
+
+#include <plat/s3c6400.h>
+#include <plat/clock.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+#include <plat/iic.h>
+
+#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x03,
+ .ufcon = 0x51,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x03,
+ .ufcon = 0x51,
+ },
+};
+
+static struct map_desc smdk6400_iodesc[] = {};
+
+static void __init smdk6400_map_io(void)
+{
+ s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
+}
+
+static struct platform_device *smdk6400_devices[] __initdata = {
+ &s3c_device_hsmmc1,
+ &s3c_device_i2c0,
+};
+
+static struct i2c_board_info i2c_devs[] __initdata = {
+ { I2C_BOARD_INFO("wm8753", 0x1A), },
+ { I2C_BOARD_INFO("24c08", 0x50), },
+};
+
+static void __init smdk6400_machine_init(void)
+{
+ i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
+ platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
+}
+
+MACHINE_START(SMDK6400, "SMDK6400")
+ /* Maintainer: Ben Dooks <ben@fluff.org> */
+ .phys_io = S3C_PA_UART & 0xfff00000,
+ .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C64XX_PA_SDRAM + 0x100,
+
+ .init_irq = s3c6400_init_irq,
+ .map_io = smdk6400_map_io,
+ .init_machine = smdk6400_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
--- /dev/null
+/* linux/arch/arm/mach-s3c6410/cpu.c
+ *
+ * Copyright 2009 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.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 <plat/cpu-freq.h>
+#include <plat/regs-serial.h>
+#include <plat/regs-clock.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+#include <plat/sdhci.h>
+#include <plat/iic-core.h>
+#include <plat/s3c6400.h>
+
+void __init s3c6400_map_io(void)
+{
+ /* setup SDHCI */
+
+ s3c6400_default_sdhci0();
+ s3c6400_default_sdhci1();
+
+ /* the i2c devices are directly compatible with s3c2440 */
+ s3c_i2c0_setname("s3c2440-i2c");
+}
+
+void __init s3c6400_init_clocks(int xtal)
+{
+ printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
+ s3c24xx_register_baseclocks(xtal);
+ s3c64xx_register_clocks();
+ s3c6400_register_clocks(S3C6400_CLKDIV0_ARM_MASK);
+ s3c6400_setup_clocks();
+}
+
+void __init s3c6400_init_irq(void)
+{
+ /* VIC0 does not have IRQS 5..7,
+ * VIC1 is fully populated. */
+ s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
+}
+
+struct sysdev_class s3c6400_sysclass = {
+ .name = "s3c6400-core",
+};
+
+static struct sys_device s3c6400_sysdev = {
+ .cls = &s3c6400_sysclass,
+};
+
+static int __init s3c6400_core_init(void)
+{
+ return sysdev_class_register(&s3c6400_sysclass);
+}
+
+core_initcall(s3c6400_core_init);
+
+int __init s3c6400_init(void)
+{
+ printk("S3C6400: Initialising architecture\n");
+
+ return sysdev_register(&s3c6400_sysdev);
+}
--- /dev/null
+/* linux/arch/arm/mach-s3c6410/setup-sdhci.c
+ *
+ * Copyright 2008 Simtec Electronics
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
+ *
+ * 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/platform_device.h>
+#include <linux/io.h>
+
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+
+#include <plat/regs-sdhci.h>
+#include <plat/sdhci.h>
+
+/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
+
+char *s3c6400_hsmmc_clksrcs[4] = {
+ [0] = "hsmmc",
+ [1] = "hsmmc",
+ [2] = "mmc_bus",
+ /* [3] = "48m", - note not succesfully used yet */
+};
+
+void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
+ void __iomem *r,
+ struct mmc_ios *ios,
+ struct mmc_card *card)
+{
+ u32 ctrl2, ctrl3;
+
+ ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
+ ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
+ ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
+ S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
+ S3C_SDHCI_CTRL2_ENFBCLKRX |
+ S3C_SDHCI_CTRL2_DFCNT_NONE |
+ S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
+
+ if (ios->clock < 25 * 1000000)
+ ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
+ S3C_SDHCI_CTRL3_FCSEL2 |
+ S3C_SDHCI_CTRL3_FCSEL1 |
+ S3C_SDHCI_CTRL3_FCSEL0);
+ else
+ ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
+
+ printk(KERN_INFO "%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3);
+ writel(ctrl2, r + S3C_SDHCI_CONTROL2);
+ writel(ctrl3, r + S3C_SDHCI_CONTROL3);
+}
+
config S3C6410_SETUP_SDHCI
bool
+ select S3C64XX_SETUP_SDHCI_GPIO
help
Internal helper functions for S3C6410 based SDHCI systems
+config MACH_ANW6410
+ bool "A&W6410"
+ select CPU_S3C6410
+ select S3C_DEV_FB
+ select S3C64XX_SETUP_FB_24BPP
+ help
+ Machine support for the A&W6410
+
config MACH_SMDK6410
bool "SMDK6410"
select CPU_S3C6410
select S3C_DEV_HSMMC1
select S3C_DEV_I2C1
select S3C_DEV_FB
+ select S3C_DEV_USB_HOST
+ select S3C_DEV_USB_HSOTG
select S3C6410_SETUP_SDHCI
select S3C64XX_SETUP_I2C1
select S3C64XX_SETUP_FB_24BPP
channels 0 and 1 are the same.
endchoice
+
+config SMDK6410_WM1190_EV1
+ bool "Support Wolfson Microelectronics 1190-EV1 PMIC card"
+ depends on MACH_SMDK6410
+ select REGULATOR
+ select REGULATOR_WM8350
+ select MFD_WM8350_I2C
+ select MFD_WM8350_CONFIG_MODE_0
+ select MFD_WM8350_CONFIG_MODE_3
+ select MFD_WM8352_CONFIG_MODE_0
+ help
+ The Wolfson Microelectronics 1190-EV1 is a WM835x based PMIC
+ and audio daughtercard for the Samsung SMDK6410 reference
+ platform. Enabling this option will build support for this
+ module into the kernel. The presence of the module will be
+ detected at runtime so the the resulting kernel can be used
+ with or without the 1190-EV1 fitted.
+
+config MACH_NCP
+ bool "NCP"
+ select CPU_S3C6410
+ select S3C_DEV_I2C1
+ select S3C_DEV_HSMMC1
+ select S3C64XX_SETUP_I2C1
+ help
+ Machine support for the Samsung NCP
# machine support
+obj-$(CONFIG_MACH_ANW6410) += mach-anw6410.o
obj-$(CONFIG_MACH_SMDK6410) += mach-smdk6410.o
+obj-$(CONFIG_MACH_NCP) += mach-ncp.o
+
+
#include <plat/cpu-freq.h>
#include <plat/regs-serial.h>
+#include <plat/regs-clock.h>
#include <plat/cpu.h>
#include <plat/devs.h>
printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
s3c24xx_register_baseclocks(xtal);
s3c64xx_register_clocks();
- s3c6400_register_clocks();
+ s3c6400_register_clocks(S3C6410_CLKDIV0_ARM_MASK);
s3c6400_setup_clocks();
}
--- /dev/null
+/* linux/arch/arm/mach-s3c6410/mach-anw6410.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ * Copyright 2009 Kwangwoo Lee
+ * Kwangwoo Lee <kwangwoo.lee@gmail.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/i2c.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+#include <linux/dm9000.h>
+
+#include <video/platform_lcd.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <mach/regs-fb.h>
+#include <mach/map.h>
+
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+#include <plat/iic.h>
+#include <plat/fb.h>
+
+#include <plat/s3c6410.h>
+#include <plat/clock.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+#include <plat/regs-gpio.h>
+#include <plat/regs-modem.h>
+
+/* DM9000 */
+#define ANW6410_PA_DM9000 (0x18000000)
+
+/* A hardware buffer to control external devices is mapped at 0x30000000.
+ * It can not be read. So current status must be kept in anw6410_extdev_status.
+ */
+#define ANW6410_VA_EXTDEV S3C_ADDR(0x02000000)
+#define ANW6410_PA_EXTDEV (0x30000000)
+
+#define ANW6410_EN_DM9000 (1<<11)
+#define ANW6410_EN_LCD (1<<14)
+
+static __u32 anw6410_extdev_status;
+
+static struct s3c2410_uartcfg anw6410_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x03,
+ .ufcon = 0x51,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = 0x3c5,
+ .ulcon = 0x03,
+ .ufcon = 0x51,
+ },
+};
+
+/* framebuffer and LCD setup. */
+static void __init anw6410_lcd_mode_set(void)
+{
+ u32 tmp;
+
+ /* set the LCD type */
+ tmp = __raw_readl(S3C64XX_SPCON);
+ tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
+ tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
+ __raw_writel(tmp, S3C64XX_SPCON);
+
+ /* remove the LCD bypass */
+ tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
+ tmp &= ~MIFPCON_LCD_BYPASS;
+ __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
+}
+
+/* GPF1 = LCD panel power
+ * GPF4 = LCD backlight control
+ */
+static void anw6410_lcd_power_set(struct plat_lcd_data *pd,
+ unsigned int power)
+{
+ if (power) {
+ anw6410_extdev_status |= (ANW6410_EN_LCD << 16);
+ __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV);
+
+ gpio_direction_output(S3C64XX_GPF(1), 1);
+ gpio_direction_output(S3C64XX_GPF(4), 1);
+ } else {
+ anw6410_extdev_status &= ~(ANW6410_EN_LCD << 16);
+ __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV);
+
+ gpio_direction_output(S3C64XX_GPF(1), 0);
+ gpio_direction_output(S3C64XX_GPF(4), 0);
+ }
+}
+
+static struct plat_lcd_data anw6410_lcd_power_data = {
+ .set_power = anw6410_lcd_power_set,
+};
+
+static struct platform_device anw6410_lcd_powerdev = {
+ .name = "platform-lcd",
+ .dev.parent = &s3c_device_fb.dev,
+ .dev.platform_data = &anw6410_lcd_power_data,
+};
+
+static struct s3c_fb_pd_win anw6410_fb_win0 = {
+ /* this is to ensure we use win0 */
+ .win_mode = {
+ .pixclock = 41094,
+ .left_margin = 8,
+ .right_margin = 13,
+ .upper_margin = 7,
+ .lower_margin = 5,
+ .hsync_len = 3,
+ .vsync_len = 1,
+ .xres = 800,
+ .yres = 480,
+ },
+ .max_bpp = 32,
+ .default_bpp = 16,
+};
+
+/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
+static struct s3c_fb_platdata anw6410_lcd_pdata __initdata = {
+ .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
+ .win[0] = &anw6410_fb_win0,
+ .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
+ .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
+};
+
+/* DM9000AEP 10/100 ethernet controller */
+static void __init anw6410_dm9000_enable(void)
+{
+ anw6410_extdev_status |= (ANW6410_EN_DM9000 << 16);
+ __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV);
+}
+
+static struct resource anw6410_dm9000_resource[] = {
+ [0] = {
+ .start = ANW6410_PA_DM9000,
+ .end = ANW6410_PA_DM9000 + 3,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = ANW6410_PA_DM9000 + 4,
+ .end = ANW6410_PA_DM9000 + 4 + 500,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = IRQ_EINT(15),
+ .end = IRQ_EINT(15),
+ .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
+ },
+};
+
+static struct dm9000_plat_data anw6410_dm9000_pdata = {
+ .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
+ /* dev_addr can be set to provide hwaddr. */
+};
+
+static struct platform_device anw6410_device_eth = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(anw6410_dm9000_resource),
+ .resource = anw6410_dm9000_resource,
+ .dev = {
+ .platform_data = &anw6410_dm9000_pdata,
+ },
+};
+
+static struct map_desc anw6410_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)ANW6410_VA_EXTDEV,
+ .pfn = __phys_to_pfn(ANW6410_PA_EXTDEV),
+ .length = SZ_64K,
+ .type = MT_DEVICE,
+ },
+};
+
+static struct platform_device *anw6410_devices[] __initdata = {
+ &s3c_device_fb,
+ &anw6410_lcd_powerdev,
+ &anw6410_device_eth,
+};
+
+static void __init anw6410_map_io(void)
+{
+ s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc));
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs));
+
+ anw6410_lcd_mode_set();
+}
+
+static void __init anw6410_machine_init(void)
+{
+ s3c_fb_set_platdata(&anw6410_lcd_pdata);
+
+ gpio_request(S3C64XX_GPF(1), "panel power");
+ gpio_request(S3C64XX_GPF(4), "LCD backlight");
+
+ anw6410_dm9000_enable();
+
+ platform_add_devices(anw6410_devices, ARRAY_SIZE(anw6410_devices));
+}
+
+MACHINE_START(ANW6410, "A&W6410")
+ /* Maintainer: Kwangwoo Lee <kwangwoo.lee@gmail.com> */
+ .phys_io = S3C_PA_UART & 0xfff00000,
+ .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C64XX_PA_SDRAM + 0x100,
+
+ .init_irq = s3c6410_init_irq,
+ .map_io = anw6410_map_io,
+ .init_machine = anw6410_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
--- /dev/null
+/*
+ * linux/arch/arm/mach-s3c6410/mach-ncp.c
+ *
+ * Copyright (C) 2008-2009 Samsung Electronics
+ *
+ * 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/i2c.h>
+#include <linux/fb.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+
+#include <video/platform_lcd.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <mach/regs-fb.h>
+#include <mach/map.h>
+
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+#include <plat/iic.h>
+#include <plat/fb.h>
+
+#include <plat/s3c6410.h>
+#include <plat/clock.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE
+#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg ncp_uartcfgs[] __initdata = {
+ /* REVISIT: NCP uses only serial 1, 2 */
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+};
+
+static struct platform_device *ncp_devices[] __initdata = {
+ &s3c_device_hsmmc1,
+ &s3c_device_i2c0,
+};
+
+struct map_desc ncp_iodesc[] = {};
+
+static void __init ncp_map_io(void)
+{
+ s3c64xx_init_io(ncp_iodesc, ARRAY_SIZE(ncp_iodesc));
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(ncp_uartcfgs, ARRAY_SIZE(ncp_uartcfgs));
+}
+
+static void __init ncp_machine_init(void)
+{
+ s3c_i2c0_set_platdata(NULL);
+
+ platform_add_devices(ncp_devices, ARRAY_SIZE(ncp_devices));
+}
+
+MACHINE_START(NCP, "NCP")
+ /* Maintainer: Samsung Electronics */
+ .phys_io = S3C_PA_UART & 0xfff00000,
+ .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C64XX_PA_SDRAM + 0x100,
+ .init_irq = s3c6410_init_irq,
+ .map_io = ncp_map_io,
+ .init_machine = ncp_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>
+#include <linux/smsc911x.h>
+
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+#include <linux/mfd/wm8350/core.h>
+#include <linux/mfd/wm8350/pmic.h>
+#endif
#include <video/platform_lcd.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
+#include <plat/regs-modem.h>
+#include <plat/regs-gpio.h>
+#include <plat/regs-sys.h>
#include <plat/iic.h>
#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
#include <plat/s3c6410.h>
#include <plat/clock.h>
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};
+static struct resource smdk6410_smsc911x_resources[] = {
+ [0] = {
+ .start = 0x18000000,
+ .end = 0x18000000 + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = S3C_EINT(10),
+ .end = S3C_EINT(10),
+ .flags = IORESOURCE_IRQ | IRQ_TYPE_LEVEL_LOW,
+ },
+};
+
+static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+ .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+ .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
+
+static struct platform_device smdk6410_smsc911x = {
+ .name = "smsc911x",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
+ .resource = &smdk6410_smsc911x_resources[0],
+ .dev = {
+ .platform_data = &smdk6410_smsc911x_pdata,
+ },
+};
+
static struct map_desc smdk6410_iodesc[] = {};
static struct platform_device *smdk6410_devices[] __initdata = {
&s3c_device_i2c0,
&s3c_device_i2c1,
&s3c_device_fb,
+ &s3c_device_usb,
+ &s3c_device_usb_hsotg,
&smdk6410_lcd_powerdev,
+
+ &smdk6410_smsc911x,
+};
+
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+/* S3C64xx internal logic & PLL */
+static struct regulator_init_data wm8350_dcdc1_data = {
+ .constraints = {
+ .name = "PVDD_INT/PVDD_PLL",
+ .min_uV = 1200000,
+ .max_uV = 1200000,
+ .always_on = 1,
+ .apply_uV = 1,
+ },
+};
+
+/* Memory */
+static struct regulator_init_data wm8350_dcdc3_data = {
+ .constraints = {
+ .name = "PVDD_MEM",
+ .min_uV = 1800000,
+ .max_uV = 1800000,
+ .always_on = 1,
+ .state_mem = {
+ .uV = 1800000,
+ .mode = REGULATOR_MODE_NORMAL,
+ .enabled = 1,
+ },
+ .initial_state = PM_SUSPEND_MEM,
+ },
+};
+
+/* USB, EXT, PCM, ADC/DAC, USB, MMC */
+static struct regulator_init_data wm8350_dcdc4_data = {
+ .constraints = {
+ .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .always_on = 1,
+ },
+};
+
+/* ARM core */
+static struct regulator_consumer_supply dcdc6_consumers[] = {
+ {
+ .supply = "vddarm",
+ }
+};
+
+static struct regulator_init_data wm8350_dcdc6_data = {
+ .constraints = {
+ .name = "PVDD_ARM",
+ .min_uV = 1000000,
+ .max_uV = 1300000,
+ .always_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(dcdc6_consumers),
+ .consumer_supplies = dcdc6_consumers,
};
+/* Alive */
+static struct regulator_init_data wm8350_ldo1_data = {
+ .constraints = {
+ .name = "PVDD_ALIVE",
+ .min_uV = 1200000,
+ .max_uV = 1200000,
+ .always_on = 1,
+ .apply_uV = 1,
+ },
+};
+
+/* OTG */
+static struct regulator_init_data wm8350_ldo2_data = {
+ .constraints = {
+ .name = "PVDD_OTG",
+ .min_uV = 3300000,
+ .max_uV = 3300000,
+ .always_on = 1,
+ },
+};
+
+/* LCD */
+static struct regulator_init_data wm8350_ldo3_data = {
+ .constraints = {
+ .name = "PVDD_LCD",
+ .min_uV = 3000000,
+ .max_uV = 3000000,
+ .always_on = 1,
+ },
+};
+
+/* OTGi/1190-EV1 HPVDD & AVDD */
+static struct regulator_init_data wm8350_ldo4_data = {
+ .constraints = {
+ .name = "PVDD_OTGI/HPVDD/AVDD",
+ .min_uV = 1200000,
+ .max_uV = 1200000,
+ .apply_uV = 1,
+ .always_on = 1,
+ },
+};
+
+static struct {
+ int regulator;
+ struct regulator_init_data *initdata;
+} wm1190_regulators[] = {
+ { WM8350_DCDC_1, &wm8350_dcdc1_data },
+ { WM8350_DCDC_3, &wm8350_dcdc3_data },
+ { WM8350_DCDC_4, &wm8350_dcdc4_data },
+ { WM8350_DCDC_6, &wm8350_dcdc6_data },
+ { WM8350_LDO_1, &wm8350_ldo1_data },
+ { WM8350_LDO_2, &wm8350_ldo2_data },
+ { WM8350_LDO_3, &wm8350_ldo3_data },
+ { WM8350_LDO_4, &wm8350_ldo4_data },
+};
+
+static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
+{
+ int i;
+
+ /* Instantiate the regulators */
+ for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
+ wm8350_register_regulator(wm8350,
+ wm1190_regulators[i].regulator,
+ wm1190_regulators[i].initdata);
+
+ return 0;
+}
+
+static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
+ .init = smdk6410_wm8350_init,
+ .irq_high = 1,
+};
+#endif
+
static struct i2c_board_info i2c_devs0[] __initdata = {
{ I2C_BOARD_INFO("24c08", 0x50), },
{ I2C_BOARD_INFO("wm8580", 0x1b), },
+
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+ { I2C_BOARD_INFO("wm8350", 0x1a),
+ .platform_data = &smdk6410_wm8350_pdata,
+ .irq = S3C_EINT(12),
+ },
+#endif
};
static struct i2c_board_info i2c_devs1[] __initdata = {
static void __init smdk6410_map_io(void)
{
+ u32 tmp;
+
s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
+
+ /* set the LCD type */
+
+ tmp = __raw_readl(S3C64XX_SPCON);
+ tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
+ tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
+ __raw_writel(tmp, S3C64XX_SPCON);
+
+ /* remove the lcd bypass */
+ tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
+ tmp &= ~MIFPCON_LCD_BYPASS;
+ __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
}
static void __init smdk6410_machine_init(void)
#include <linux/mmc/card.h>
#include <linux/mmc/host.h>
-#include <mach/gpio.h>
-#include <plat/gpio-cfg.h>
#include <plat/regs-sdhci.h>
#include <plat/sdhci.h>
/* [3] = "48m", - note not succesfully used yet */
};
-void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
-{
- unsigned int gpio;
- unsigned int end;
-
- end = S3C64XX_GPG(2 + width);
-
- /* Set all the necessary GPG pins to special-function 0 */
- for (gpio = S3C64XX_GPG(0); gpio < end; gpio++) {
- s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
- s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
- }
-
- s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
- s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2));
-}
void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
void __iomem *r,
writel(ctrl3, r + S3C_SDHCI_CONTROL3);
}
-void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
-{
- unsigned int gpio;
- unsigned int end;
-
- end = S3C64XX_GPH(2 + width);
-
- /* Set all the necessary GPG pins to special-function 0 */
- for (gpio = S3C64XX_GPH(0); gpio < end; gpio++) {
- s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
- s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
- }
-
- s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
- s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3));
-}
{
unsigned int i;
- vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0);
+ vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0, 0);
set_irq_chained_handler(IRQ_VICSOURCE31, sic_handle_irq);
Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
for more information.
+config S3C_PM_DEBUG_LED_SMDK
+ bool "SMDK LED suspend/resume debugging"
+ depends on PM && (MACH_SMDK6410)
+ help
+ Say Y here to enable the use of the SMDK LEDs on the baseboard
+ for debugging of the state of the suspend and resume process.
+
+ Note, this currently only works for S3C64XX based SMDK boards.
+
config S3C2410_PM_CHECK
bool "S3C2410 PM Suspend Memory CRC"
depends on PM && CRC32
help
Compile in platform device definition for framebuffer
+config S3C_DEV_USB_HOST
+ bool
+ help
+ Compile in platform device definition for USB host.
+
+config S3C_DEV_USB_HSOTG
+ bool
+ help
+ Compile in platform device definition for USB high-speed OtG
+
endif
# PM support
obj-$(CONFIG_PM) += pm.o
+obj-$(CONFIG_PM) += pm-gpio.o
obj-$(CONFIG_S3C2410_PM_CHECK) += pm-check.o
# devices
obj-y += dev-i2c0.o
obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o
obj-$(CONFIG_S3C_DEV_FB) += dev-fb.o
+obj-$(CONFIG_S3C_DEV_USB_HOST) += dev-usb.o
+obj-$(CONFIG_S3C_DEV_USB_HSOTG) += dev-usb-hsotg.o
--- /dev/null
+/* linux/arch/arm/plat-s3c/dev-usb-hsotg.c
+ *
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for USB high-speed UDC/OtG block
+ *
+ * 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/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+static struct resource s3c_usb_hsotg_resources[] = {
+ [0] = {
+ .start = S3C_PA_USB_HSOTG,
+ .end = S3C_PA_USB_HSOTG + 0x10000 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_OTG,
+ .end = IRQ_OTG,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device s3c_device_usb_hsotg = {
+ .name = "s3c-hsotg",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s3c_usb_hsotg_resources),
+ .resource = s3c_usb_hsotg_resources,
+};
--- /dev/null
+/* linux/arch/arm/plat-s3c/dev-usb.c
+ *
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C series device definition for USB host
+ *
+ * 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/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+
+static struct resource s3c_usb_resource[] = {
+ [0] = {
+ .start = S3C_PA_USBHOST,
+ .end = S3C_PA_USBHOST + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_USBH,
+ .end = IRQ_USBH,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static u64 s3c_device_usb_dmamask = 0xffffffffUL;
+
+struct platform_device s3c_device_usb = {
+ .name = "s3c2410-ohci",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(s3c_usb_resource),
+ .resource = s3c_usb_resource,
+ .dev = {
+ .dma_mask = &s3c_device_usb_dmamask,
+ .coherent_dma_mask = 0xffffffffUL
+ }
+};
+
+EXPORT_SYMBOL(s3c_device_usb);
#include <linux/io.h>
#include <linux/gpio.h>
-#include <plat/gpio-core.h>
+#include <mach/gpio-core.h>
#ifdef CONFIG_S3C_GPIO_TRACK
struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
if (!gc->get)
gc->get = s3c_gpiolib_get;
+#ifdef CONFIG_PM
+ if (chip->pm != NULL) {
+ if (!chip->pm->save || !chip->pm->resume)
+ printk(KERN_ERR "gpio: %s has missing PM functions\n",
+ gc->label);
+ } else
+ printk(KERN_ERR "gpio: %s has no PM function\n", gc->label);
+#endif
+
/* gpiochip_add() prints own failure message on error. */
ret = gpiochip_add(gc);
if (ret >= 0)
extern int s3c_adc_start(struct s3c_adc_client *client,
unsigned int channel, unsigned int nr_samples);
-extern struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev,
- void (*select)(unsigned selected),
- void (*conv)(unsigned d0, unsigned d1),
- unsigned int is_ts);
+extern struct s3c_adc_client *
+ s3c_adc_register(struct platform_device *pdev,
+ void (*select)(unsigned selected),
+ void (*conv)(unsigned d0, unsigned d1,
+ unsigned *samples_left),
+ unsigned int is_ts);
extern void s3c_adc_release(struct s3c_adc_client *client);
extern struct clk clk_ext;
/* S3C64XX specific clocks */
+extern struct clk clk_h2;
extern struct clk clk_27m;
extern struct clk clk_48m;
extern struct sysdev_class s3c2440_sysclass;
extern struct sysdev_class s3c2442_sysclass;
extern struct sysdev_class s3c2443_sysclass;
+extern struct sysdev_class s3c6410_sysclass;
+extern struct sysdev_class s3c64xx_sysclass;
+
extern struct platform_device s3c_device_nand;
extern struct platform_device s3c_device_usbgadget;
+extern struct platform_device s3c_device_usb_hsotg;
/* s3c2440 specific devices */
* specific code.
*/
+struct s3c_gpio_chip;
+
+/**
+ * struct s3c_gpio_pm - power management (suspend/resume) information
+ * @save: Routine to save the state of the GPIO block
+ * @resume: Routine to resume the GPIO block.
+ */
+struct s3c_gpio_pm {
+ void (*save)(struct s3c_gpio_chip *chip);
+ void (*resume)(struct s3c_gpio_chip *chip);
+};
+
struct s3c_gpio_cfg;
/**
* @chip: The chip structure to be exported via gpiolib.
* @base: The base pointer to the gpio configuration registers.
* @config: special function and pull-resistor control information.
+ * @pm_save: Save information for suspend/resume support.
*
* This wrapper provides the necessary information for the Samsung
* specific gpios being registered with gpiolib.
struct s3c_gpio_chip {
struct gpio_chip chip;
struct s3c_gpio_cfg *config;
+ struct s3c_gpio_pm *pm;
void __iomem *base;
+#ifdef CONFIG_PM
+ u32 pm_save[4];
+#endif
};
static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc)
static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { }
#endif
+
+#ifdef CONFIG_PM
+extern struct s3c_gpio_pm s3c_gpio_pm_1bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_2bit;
+extern struct s3c_gpio_pm s3c_gpio_pm_4bit;
+#define __gpio_pm(x) x
+#else
+#define s3c_gpio_pm_1bit NULL
+#define s3c_gpio_pm_2bit NULL
+#define s3c_gpio_pm_4bit NULL
+#define __gpio_pm(x) NULL
+
+#endif /* CONFIG_PM */
extern unsigned long s3c_pm_flags;
+extern unsigned char pm_uart_udivslot; /* true to save UART UDIVSLOT */
+
/* from sleep.S */
extern int s3c_cpu_save(unsigned long *saveblk);
u32 ufcon;
u32 umcon;
u32 ubrdiv;
+ u32 udivslot;
};
/* helper functions to save/restore lists of registers. */
#define S3C_PMDBG(fmt...) printk(KERN_DEBUG fmt)
#endif
+#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
+/**
+ * s3c_pm_debug_smdkled() - Debug PM suspend/resume via SMDK Board LEDs
+ * @set: set bits for the state of the LEDs
+ * @clear: clear bits for the state of the LEDs.
+ */
+extern void s3c_pm_debug_smdkled(u32 set, u32 clear);
+
+#else
+static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { }
+#endif /* CONFIG_S3C_PM_DEBUG_LED_SMDK */
+
/* suspend memory checking */
#ifdef CONFIG_S3C2410_PM_CHECK
#define S3C2443_DIVSLOT (0x2C)
+/* S3C64XX interrupt registers. */
+#define S3C64XX_UINTP 0x30
+#define S3C64XX_UINTSP 0x34
+#define S3C64XX_UINTM 0x38
+
#ifndef __ASSEMBLY__
/* struct s3c24xx_uart_clksrc
/* Helper function availablity */
+extern void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
+extern void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
+
+/* S3C6400 SDHCI setup */
+
+#ifdef CONFIG_S3C6400_SETUP_SDHCI
+extern char *s3c6400_hsmmc_clksrcs[4];
+
+#ifdef CONFIG_S3C_DEV_HSMMC
+extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
+ void __iomem *r,
+ struct mmc_ios *ios,
+ struct mmc_card *card);
+
+static inline void s3c6400_default_sdhci0(void)
+{
+ s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+ s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
+ s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
+}
+
+#else
+static inline void s3c6400_default_sdhci0(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC */
+
+#ifdef CONFIG_S3C_DEV_HSMMC1
+static inline void s3c6400_default_sdhci1(void)
+{
+ s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+ s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
+ s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
+}
+#else
+static inline void s3c6400_default_sdhci1(void) { }
+#endif /* CONFIG_S3C_DEV_HSMMC1 */
+
+#else
+static inline void s3c6400_default_sdhci0(void) { }
+static inline void s3c6400_default_sdhci1(void) { }
+#endif /* CONFIG_S3C6400_SETUP_SDHCI */
+
+/* S3C6410 SDHCI setup */
+
#ifdef CONFIG_S3C6410_SETUP_SDHCI
extern char *s3c6410_hsmmc_clksrcs[4];
-extern void s3c6410_setup_sdhci0_cfg_gpio(struct platform_device *, int w);
-extern void s3c6410_setup_sdhci1_cfg_gpio(struct platform_device *, int w);
-
extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
void __iomem *r,
struct mmc_ios *ios,
static inline void s3c6410_default_sdhci0(void)
{
s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
- s3c_hsmmc0_def_platdata.cfg_gpio = s3c6410_setup_sdhci0_cfg_gpio;
+ s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
#else
static inline void s3c6410_default_sdhci1(void)
{
s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
- s3c_hsmmc1_def_platdata.cfg_gpio = s3c6410_setup_sdhci1_cfg_gpio;
+ s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
}
#else
--- /dev/null
+/* arch/arm/plat-s3c/include/plat/udc-hs.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C USB2.0 High-speed / OtG platform information
+ *
+ * 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.
+*/
+
+enum s3c_hostg_dmamode {
+ S3C_HSOTG_DMA_NONE, /* do not use DMA at-all */
+ S3C_HSOTG_DMA_ONLY, /* always use DMA */
+ S3C_HSOTG_DMA_DRV, /* DMA is chosen by driver */
+};
+
+/**
+ * struct s3c_hsotg_plat - platform data for high-speed otg/udc
+ * @dma: Whether to use DMA or not.
+ * @is_osc: The clock source is an oscillator, not a crystal
+ */
+struct s3c_hsotg_plat {
+ enum s3c_hostg_dmamode dma;
+ unsigned int is_osc : 1;
+};
--- /dev/null
+/* arch/arm/plat-s3c/include/plat/watchdog-reset.h
+ *
+ * Copyright (c) 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - System define for arch_reset() function
+ *
+ * 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 <plat/regs-watchdog.h>
+#include <mach/map.h>
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+static inline void arch_wdt_reset(void)
+{
+ struct clk *wdtclk;
+
+ printk("arch_reset: attempting watchdog reset\n");
+
+ __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */
+
+ wdtclk = clk_get(NULL, "watchdog");
+ if (!IS_ERR(wdtclk)) {
+ clk_enable(wdtclk);
+ } else
+ printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__);
+
+ /* put initial values into count and data */
+ __raw_writel(0x80, S3C2410_WTCNT);
+ __raw_writel(0x80, S3C2410_WTDAT);
+
+ /* set the watchdog to go and reset... */
+ __raw_writel(S3C2410_WTCON_ENABLE|S3C2410_WTCON_DIV16|S3C2410_WTCON_RSTEN |
+ S3C2410_WTCON_PRESCALE(0x20), S3C2410_WTCON);
+
+ /* wait for reset to assert... */
+ mdelay(500);
+
+ printk(KERN_ERR "Watchdog reset failed to assert reset\n");
+
+ /* delay to allow the serial port to show the message */
+ mdelay(50);
+}
--- /dev/null
+
+/* linux/arch/arm/plat-s3c/pm-gpio.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C series GPIO PM 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.
+*/
+
+#include <linux/kernel.h>
+#include <linux/sysdev.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <mach/gpio-core.h>
+#include <plat/pm.h>
+
+/* PM GPIO helpers */
+
+#define OFFS_CON (0x00)
+#define OFFS_DAT (0x04)
+#define OFFS_UP (0x08)
+
+static void s3c_gpio_pm_1bit_save(struct s3c_gpio_chip *chip)
+{
+ chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
+ chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
+}
+
+static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip)
+{
+ void __iomem *base = chip->base;
+ u32 old_gpcon = __raw_readl(base + OFFS_CON);
+ u32 old_gpdat = __raw_readl(base + OFFS_DAT);
+ u32 gps_gpcon = chip->pm_save[0];
+ u32 gps_gpdat = chip->pm_save[1];
+ u32 gpcon;
+
+ /* GPACON only has one bit per control / data and no PULLUPs.
+ * GPACON[x] = 0 => Output, 1 => SFN */
+
+ /* first set all SFN bits to SFN */
+
+ gpcon = old_gpcon | gps_gpcon;
+ __raw_writel(gpcon, base + OFFS_CON);
+
+ /* now set all the other bits */
+
+ __raw_writel(gps_gpdat, base + OFFS_DAT);
+ __raw_writel(gps_gpcon, base + OFFS_CON);
+
+ S3C_PMDBG("%s: CON %08x => %08x, DAT %08x => %08x\n",
+ chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
+}
+
+struct s3c_gpio_pm s3c_gpio_pm_1bit = {
+ .save = s3c_gpio_pm_1bit_save,
+ .resume = s3c_gpio_pm_1bit_resume,
+};
+
+static void s3c_gpio_pm_2bit_save(struct s3c_gpio_chip *chip)
+{
+ chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON);
+ chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT);
+ chip->pm_save[2] = __raw_readl(chip->base + OFFS_UP);
+}
+
+/* Test whether the given masked+shifted bits of an GPIO configuration
+ * are one of the SFN (special function) modes. */
+
+static inline int is_sfn(unsigned long con)
+{
+ return con >= 2;
+}
+
+/* Test if the given masked+shifted GPIO configuration is an input */
+
+static inline int is_in(unsigned long con)
+{
+ return con == 0;
+}
+
+/* Test if the given masked+shifted GPIO configuration is an output */
+
+static inline int is_out(unsigned long con)
+{
+ return con == 1;
+}
+
+/**
+ * s3c_gpio_pm_2bit_resume() - restore the given GPIO bank
+ * @chip: The chip information to resume.
+ *
+ * Restore one of the GPIO banks that was saved during suspend. This is
+ * not as simple as once thought, due to the possibility of glitches
+ * from the order that the CON and DAT registers are set in.
+ *
+ * The three states the pin can be are {IN,OUT,SFN} which gives us 9
+ * combinations of changes to check. Three of these, if the pin stays
+ * in the same configuration can be discounted. This leaves us with
+ * the following:
+ *
+ * { IN => OUT } Change DAT first
+ * { IN => SFN } Change CON first
+ * { OUT => SFN } Change CON first, so new data will not glitch
+ * { OUT => IN } Change CON first, so new data will not glitch
+ * { SFN => IN } Change CON first
+ * { SFN => OUT } Change DAT first, so new data will not glitch [1]
+ *
+ * We do not currently deal with the UP registers as these control
+ * weak resistors, so a small delay in change should not need to bring
+ * these into the calculations.
+ *
+ * [1] this assumes that writing to a pin DAT whilst in SFN will set the
+ * state for when it is next output.
+ */
+static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip)
+{
+ void __iomem *base = chip->base;
+ u32 old_gpcon = __raw_readl(base + OFFS_CON);
+ u32 old_gpdat = __raw_readl(base + OFFS_DAT);
+ u32 gps_gpcon = chip->pm_save[0];
+ u32 gps_gpdat = chip->pm_save[1];
+ u32 gpcon, old, new, mask;
+ u32 change_mask = 0x0;
+ int nr;
+
+ /* restore GPIO pull-up settings */
+ __raw_writel(chip->pm_save[2], base + OFFS_UP);
+
+ /* Create a change_mask of all the items that need to have
+ * their CON value changed before their DAT value, so that
+ * we minimise the work between the two settings.
+ */
+
+ for (nr = 0, mask = 0x03; nr < 32; nr += 2, mask <<= 2) {
+ old = (old_gpcon & mask) >> nr;
+ new = (gps_gpcon & mask) >> nr;
+
+ /* If there is no change, then skip */
+
+ if (old == new)
+ continue;
+
+ /* If both are special function, then skip */
+
+ if (is_sfn(old) && is_sfn(new))
+ continue;
+
+ /* Change is IN => OUT, do not change now */
+
+ if (is_in(old) && is_out(new))
+ continue;
+
+ /* Change is SFN => OUT, do not change now */
+
+ if (is_sfn(old) && is_out(new))
+ continue;
+
+ /* We should now be at the case of IN=>SFN,
+ * OUT=>SFN, OUT=>IN, SFN=>IN. */
+
+ change_mask |= mask;
+ }
+
+
+ /* Write the new CON settings */
+
+ gpcon = old_gpcon & ~change_mask;
+ gpcon |= gps_gpcon & change_mask;
+
+ __raw_writel(gpcon, base + OFFS_CON);
+
+ /* Now change any items that require DAT,CON */
+
+ __raw_writel(gps_gpdat, base + OFFS_DAT);
+ __raw_writel(gps_gpcon, base + OFFS_CON);
+
+ S3C_PMDBG("%s: CON %08x => %08x, DAT %08x => %08x\n",
+ chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
+}
+
+struct s3c_gpio_pm s3c_gpio_pm_2bit = {
+ .save = s3c_gpio_pm_2bit_save,
+ .resume = s3c_gpio_pm_2bit_resume,
+};
+
+#ifdef CONFIG_ARCH_S3C64XX
+static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip)
+{
+ chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON);
+ chip->pm_save[2] = __raw_readl(chip->base + OFFS_DAT);
+ chip->pm_save[3] = __raw_readl(chip->base + OFFS_UP);
+
+ if (chip->chip.ngpio > 8)
+ chip->pm_save[0] = __raw_readl(chip->base - 4);
+}
+
+static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon)
+{
+ u32 old, new, mask;
+ u32 change_mask = 0x0;
+ int nr;
+
+ for (nr = 0, mask = 0x0f; nr < 16; nr += 4, mask <<= 4) {
+ old = (old_gpcon & mask) >> nr;
+ new = (gps_gpcon & mask) >> nr;
+
+ /* If there is no change, then skip */
+
+ if (old == new)
+ continue;
+
+ /* If both are special function, then skip */
+
+ if (is_sfn(old) && is_sfn(new))
+ continue;
+
+ /* Change is IN => OUT, do not change now */
+
+ if (is_in(old) && is_out(new))
+ continue;
+
+ /* Change is SFN => OUT, do not change now */
+
+ if (is_sfn(old) && is_out(new))
+ continue;
+
+ /* We should now be at the case of IN=>SFN,
+ * OUT=>SFN, OUT=>IN, SFN=>IN. */
+
+ change_mask |= mask;
+ }
+
+ return change_mask;
+}
+
+static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index)
+{
+ void __iomem *con = chip->base + (index * 4);
+ u32 old_gpcon = __raw_readl(con);
+ u32 gps_gpcon = chip->pm_save[index + 1];
+ u32 gpcon, mask;
+
+ mask = s3c_gpio_pm_4bit_mask(old_gpcon, gps_gpcon);
+
+ gpcon = old_gpcon & ~mask;
+ gpcon |= gps_gpcon & mask;
+
+ __raw_writel(gpcon, con);
+}
+
+static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip)
+{
+ void __iomem *base = chip->base;
+ u32 old_gpcon[2];
+ u32 old_gpdat = __raw_readl(base + OFFS_DAT);
+ u32 gps_gpdat = chip->pm_save[2];
+
+ /* First, modify the CON settings */
+
+ old_gpcon[0] = 0;
+ old_gpcon[1] = __raw_readl(base + OFFS_CON);
+
+ s3c_gpio_pm_4bit_con(chip, 0);
+ if (chip->chip.ngpio > 8) {
+ old_gpcon[0] = __raw_readl(base - 4);
+ s3c_gpio_pm_4bit_con(chip, -1);
+ }
+
+ /* Now change the configurations that require DAT,CON */
+
+ __raw_writel(chip->pm_save[2], base + OFFS_DAT);
+ __raw_writel(chip->pm_save[1], base + OFFS_CON);
+ if (chip->chip.ngpio > 8)
+ __raw_writel(chip->pm_save[0], base - 4);
+
+ __raw_writel(chip->pm_save[2], base + OFFS_DAT);
+ __raw_writel(chip->pm_save[3], base + OFFS_UP);
+
+ if (chip->chip.ngpio > 8) {
+ S3C_PMDBG("%s: CON4 %08x,%08x => %08x,%08x, DAT %08x => %08x\n",
+ chip->chip.label, old_gpcon[0], old_gpcon[1],
+ __raw_readl(base - 4),
+ __raw_readl(base + OFFS_CON),
+ old_gpdat, gps_gpdat);
+ } else
+ S3C_PMDBG("%s: CON4 %08x => %08x, DAT %08x => %08x\n",
+ chip->chip.label, old_gpcon[1],
+ __raw_readl(base + OFFS_CON),
+ old_gpdat, gps_gpdat);
+}
+
+struct s3c_gpio_pm s3c_gpio_pm_4bit = {
+ .save = s3c_gpio_pm_4bit_save,
+ .resume = s3c_gpio_pm_4bit_resume,
+};
+#endif /* CONFIG_ARCH_S3C64XX */
+
+/**
+ * s3c_pm_save_gpio() - save gpio chip data for suspend
+ * @ourchip: The chip for suspend.
+ */
+static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip)
+{
+ struct s3c_gpio_pm *pm = ourchip->pm;
+
+ if (pm == NULL || pm->save == NULL)
+ S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
+ else
+ pm->save(ourchip);
+}
+
+/**
+ * s3c_pm_save_gpios() - Save the state of the GPIO banks.
+ *
+ * For all the GPIO banks, save the state of each one ready for going
+ * into a suspend mode.
+ */
+void s3c_pm_save_gpios(void)
+{
+ struct s3c_gpio_chip *ourchip;
+ unsigned int gpio_nr;
+
+ for (gpio_nr = 0; gpio_nr < S3C_GPIO_END; gpio_nr++) {
+ ourchip = s3c_gpiolib_getchip(gpio_nr);
+ if (!ourchip)
+ continue;
+
+ s3c_pm_save_gpio(ourchip);
+
+ S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n",
+ ourchip->chip.label,
+ ourchip->pm_save[0],
+ ourchip->pm_save[1],
+ ourchip->pm_save[2],
+ ourchip->pm_save[3]);
+
+ gpio_nr += ourchip->chip.ngpio;
+ gpio_nr += CONFIG_S3C_GPIO_SPACE;
+ }
+}
+
+/**
+ * s3c_pm_resume_gpio() - restore gpio chip data after suspend
+ * @ourchip: The suspended chip.
+ */
+static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip)
+{
+ struct s3c_gpio_pm *pm = ourchip->pm;
+
+ if (pm == NULL || pm->resume == NULL)
+ S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label);
+ else
+ pm->resume(ourchip);
+}
+
+void s3c_pm_restore_gpios(void)
+{
+ struct s3c_gpio_chip *ourchip;
+ unsigned int gpio_nr;
+
+ for (gpio_nr = 0; gpio_nr < S3C_GPIO_END; gpio_nr++) {
+ ourchip = s3c_gpiolib_getchip(gpio_nr);
+ if (!ourchip)
+ continue;
+
+ s3c_pm_resume_gpio(ourchip);
+
+ gpio_nr += ourchip->chip.ngpio;
+ gpio_nr += CONFIG_S3C_GPIO_SPACE;
+ }
+}
#include <asm/cacheflush.h>
#include <mach/hardware.h>
+#include <mach/map.h>
#include <plat/regs-serial.h>
#include <mach/regs-clock.h>
-#include <mach/regs-gpio.h>
-#include <mach/regs-mem.h>
#include <mach/regs-irq.h>
#include <asm/irq.h>
/* Save the UART configurations if we are configured for debug. */
+unsigned char pm_uart_udivslot;
+
#ifdef CONFIG_S3C2410_PM_DEBUG
struct pm_uart_save uart_save[CONFIG_SERIAL_SAMSUNG_UARTS];
save->ufcon = __raw_readl(regs + S3C2410_UFCON);
save->umcon = __raw_readl(regs + S3C2410_UMCON);
save->ubrdiv = __raw_readl(regs + S3C2410_UBRDIV);
+
+ if (pm_uart_udivslot)
+ save->udivslot = __raw_readl(regs + S3C2443_DIVSLOT);
+
+ S3C_PMDBG("UART[%d]: ULCON=%04x, UCON=%04x, UFCON=%04x, UBRDIV=%04x\n",
+ uart, save->ulcon, save->ucon, save->ufcon, save->ubrdiv);
}
static void s3c_pm_save_uarts(void)
{
void __iomem *regs = S3C_VA_UARTx(uart);
+ s3c_pm_arch_update_uart(regs, save);
+
__raw_writel(save->ulcon, regs + S3C2410_ULCON);
__raw_writel(save->ucon, regs + S3C2410_UCON);
__raw_writel(save->ufcon, regs + S3C2410_UFCON);
__raw_writel(save->umcon, regs + S3C2410_UMCON);
__raw_writel(save->ubrdiv, regs + S3C2410_UBRDIV);
+
+ if (pm_uart_udivslot)
+ __raw_writel(save->udivslot, regs + S3C2443_DIVSLOT);
}
static void s3c_pm_restore_uarts(void)
S3C_PMDBG("%s: post sleep, preparing to return\n", __func__);
+ /* LEDs should now be 1110 */
+ s3c_pm_debug_smdkled(1 << 1, 0);
+
s3c_pm_check_restore();
/* ok, let's return from sleep */
unsigned char channel;
void (*select_cb)(unsigned selected);
- void (*convert_cb)(unsigned val1, unsigned val2);
+ void (*convert_cb)(unsigned val1, unsigned val2,
+ unsigned *samples_left);
};
struct adc_device {
struct s3c_adc_client *s3c_adc_register(struct platform_device *pdev,
void (*select)(unsigned int selected),
- void (*conv)(unsigned d0, unsigned d1),
+ void (*conv)(unsigned d0, unsigned d1,
+ unsigned *samples_left),
unsigned int is_ts)
{
struct s3c_adc_client *client;
data1 = readl(adc->regs + S3C2410_ADCDAT1);
adc_dbg(adc, "read %d: 0x%04x, 0x%04x\n", client->nr_samples, data0, data1);
- (client->convert_cb)(data0 & 0x3ff, data1 & 0x3ff);
+ client->nr_samples--;
+ (client->convert_cb)(data0 & 0x3ff, data1 & 0x3ff, &client->nr_samples);
- if (--client->nr_samples > 0) {
+ if (client->nr_samples > 0) {
/* fire another conversion for this */
client->select_cb(1);
struct platform_device *s3c24xx_uart_devs[4] = {
};
-/* USB Host Controller */
-
-static struct resource s3c_usb_resource[] = {
- [0] = {
- .start = S3C24XX_PA_USBHOST,
- .end = S3C24XX_PA_USBHOST + S3C24XX_SZ_USBHOST - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_USBH,
- .end = IRQ_USBH,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static u64 s3c_device_usb_dmamask = 0xffffffffUL;
-
-struct platform_device s3c_device_usb = {
- .name = "s3c2410-ohci",
- .id = -1,
- .num_resources = ARRAY_SIZE(s3c_usb_resource),
- .resource = s3c_usb_resource,
- .dev = {
- .dma_mask = &s3c_device_usb_dmamask,
- .coherent_dma_mask = 0xffffffffUL
- }
-};
-
-EXPORT_SYMBOL(s3c_device_usb);
-
/* LCD Controller */
static struct resource s3c_lcd_resource[] = {
#include <mach/gpio-core.h>
#include <mach/hardware.h>
#include <asm/irq.h>
+#include <plat/pm.h>
#include <mach/regs-gpio.h>
struct s3c_gpio_chip s3c24xx_gpios[] = {
[0] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPA0),
+ .pm = __gpio_pm(&s3c_gpio_pm_1bit),
.chip = {
.base = S3C2410_GPA0,
.owner = THIS_MODULE,
},
[1] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPB0),
+ .pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPB0,
.owner = THIS_MODULE,
},
[2] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPC0),
+ .pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPC0,
.owner = THIS_MODULE,
},
[3] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPD0),
+ .pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPD0,
.owner = THIS_MODULE,
},
[4] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPE0),
+ .pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPE0,
.label = "GPIOE",
},
[5] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPF0),
+ .pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPF0,
.owner = THIS_MODULE,
},
[6] = {
.base = S3C24XX_GPIO_BASE(S3C2410_GPG0),
+ .pm = __gpio_pm(&s3c_gpio_pm_2bit),
.chip = {
.base = S3C2410_GPG0,
.owner = THIS_MODULE,
#define S3C24XX_SZ_SPI SZ_1M
#define S3C24XX_SZ_SDI SZ_1M
#define S3C24XX_SZ_NAND SZ_1M
-#define S3C24XX_SZ_USBHOST SZ_1M
/* GPIO ports */
s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND),
s3c_irqwake_eintmask);
}
+
+static inline void s3c_pm_arch_update_uart(void __iomem *regs,
+ struct pm_uart_save *save)
+{
+}
SAVE_ITEM(S3C2410_CLKSLOW),
};
-static struct gpio_sleep {
- void __iomem *base;
- unsigned int gpcon;
- unsigned int gpdat;
- unsigned int gpup;
-} gpio_save[] = {
- [0] = {
- .base = S3C2410_GPACON,
- },
- [1] = {
- .base = S3C2410_GPBCON,
- },
- [2] = {
- .base = S3C2410_GPCCON,
- },
- [3] = {
- .base = S3C2410_GPDCON,
- },
- [4] = {
- .base = S3C2410_GPECON,
- },
- [5] = {
- .base = S3C2410_GPFCON,
- },
- [6] = {
- .base = S3C2410_GPGCON,
- },
- [7] = {
- .base = S3C2410_GPHCON,
- },
-};
-
static struct sleep_save misc_save[] = {
SAVE_ITEM(S3C2410_DCLKCON),
};
-
/* s3c_pm_check_resume_pin
*
* check to see if the pin is configured correctly for sleep mode, and
}
}
-/* offsets for CON/DAT/UP registers */
-
-#define OFFS_CON (S3C2410_GPACON - S3C2410_GPACON)
-#define OFFS_DAT (S3C2410_GPADAT - S3C2410_GPACON)
-#define OFFS_UP (S3C2410_GPBUP - S3C2410_GPBCON)
-
-/* s3c_pm_save_gpios()
- *
- * Save the state of the GPIOs
- */
-
-void s3c_pm_save_gpios(void)
-{
- struct gpio_sleep *gps = gpio_save;
- unsigned int gpio;
-
- for (gpio = 0; gpio < ARRAY_SIZE(gpio_save); gpio++, gps++) {
- void __iomem *base = gps->base;
-
- gps->gpcon = __raw_readl(base + OFFS_CON);
- gps->gpdat = __raw_readl(base + OFFS_DAT);
-
- if (gpio > 0)
- gps->gpup = __raw_readl(base + OFFS_UP);
-
- }
-}
-
-/* Test whether the given masked+shifted bits of an GPIO configuration
- * are one of the SFN (special function) modes. */
-
-static inline int is_sfn(unsigned long con)
-{
- return (con == 2 || con == 3);
-}
-
-/* Test if the given masked+shifted GPIO configuration is an input */
-
-static inline int is_in(unsigned long con)
-{
- return con == 0;
-}
-
-/* Test if the given masked+shifted GPIO configuration is an output */
-
-static inline int is_out(unsigned long con)
-{
- return con == 1;
-}
-
-/**
- * s3c2410_pm_restore_gpio() - restore the given GPIO bank
- * @index: The number of the GPIO bank being resumed.
- * @gps: The sleep confgiuration for the bank.
- *
- * Restore one of the GPIO banks that was saved during suspend. This is
- * not as simple as once thought, due to the possibility of glitches
- * from the order that the CON and DAT registers are set in.
- *
- * The three states the pin can be are {IN,OUT,SFN} which gives us 9
- * combinations of changes to check. Three of these, if the pin stays
- * in the same configuration can be discounted. This leaves us with
- * the following:
- *
- * { IN => OUT } Change DAT first
- * { IN => SFN } Change CON first
- * { OUT => SFN } Change CON first, so new data will not glitch
- * { OUT => IN } Change CON first, so new data will not glitch
- * { SFN => IN } Change CON first
- * { SFN => OUT } Change DAT first, so new data will not glitch [1]
- *
- * We do not currently deal with the UP registers as these control
- * weak resistors, so a small delay in change should not need to bring
- * these into the calculations.
- *
- * [1] this assumes that writing to a pin DAT whilst in SFN will set the
- * state for when it is next output.
- */
-
-static void s3c2410_pm_restore_gpio(int index, struct gpio_sleep *gps)
-{
- void __iomem *base = gps->base;
- unsigned long gps_gpcon = gps->gpcon;
- unsigned long gps_gpdat = gps->gpdat;
- unsigned long old_gpcon;
- unsigned long old_gpdat;
- unsigned long old_gpup = 0x0;
- unsigned long gpcon;
- int nr;
-
- old_gpcon = __raw_readl(base + OFFS_CON);
- old_gpdat = __raw_readl(base + OFFS_DAT);
-
- if (base == S3C2410_GPACON) {
- /* GPACON only has one bit per control / data and no PULLUPs.
- * GPACON[x] = 0 => Output, 1 => SFN */
-
- /* first set all SFN bits to SFN */
-
- gpcon = old_gpcon | gps->gpcon;
- __raw_writel(gpcon, base + OFFS_CON);
-
- /* now set all the other bits */
-
- __raw_writel(gps_gpdat, base + OFFS_DAT);
- __raw_writel(gps_gpcon, base + OFFS_CON);
- } else {
- unsigned long old, new, mask;
- unsigned long change_mask = 0x0;
-
- old_gpup = __raw_readl(base + OFFS_UP);
-
- /* Create a change_mask of all the items that need to have
- * their CON value changed before their DAT value, so that
- * we minimise the work between the two settings.
- */
-
- for (nr = 0, mask = 0x03; nr < 32; nr += 2, mask <<= 2) {
- old = (old_gpcon & mask) >> nr;
- new = (gps_gpcon & mask) >> nr;
-
- /* If there is no change, then skip */
-
- if (old == new)
- continue;
-
- /* If both are special function, then skip */
-
- if (is_sfn(old) && is_sfn(new))
- continue;
-
- /* Change is IN => OUT, do not change now */
-
- if (is_in(old) && is_out(new))
- continue;
-
- /* Change is SFN => OUT, do not change now */
-
- if (is_sfn(old) && is_out(new))
- continue;
-
- /* We should now be at the case of IN=>SFN,
- * OUT=>SFN, OUT=>IN, SFN=>IN. */
-
- change_mask |= mask;
- }
-
- /* Write the new CON settings */
-
- gpcon = old_gpcon & ~change_mask;
- gpcon |= gps_gpcon & change_mask;
-
- __raw_writel(gpcon, base + OFFS_CON);
-
- /* Now change any items that require DAT,CON */
-
- __raw_writel(gps_gpdat, base + OFFS_DAT);
- __raw_writel(gps_gpcon, base + OFFS_CON);
- __raw_writel(gps->gpup, base + OFFS_UP);
- }
-
- S3C_PMDBG("GPIO[%d] CON %08lx => %08lx, DAT %08lx => %08lx\n",
- index, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat);
-}
-
-
-/** s3c2410_pm_restore_gpios()
- *
- * Restore the state of the GPIOs
- */
-
-void s3c_pm_restore_gpios(void)
-{
- struct gpio_sleep *gps = gpio_save;
- int gpio;
-
- for (gpio = 0; gpio < ARRAY_SIZE(gpio_save); gpio++, gps++) {
- s3c2410_pm_restore_gpio(gpio, gps);
- }
-}
void s3c_pm_restore_core(void)
{
select S3C_GPIO_PULL_UPDOWN
select S3C_GPIO_CFG_S3C24XX
select S3C_GPIO_CFG_S3C64XX
+ select USB_ARCH_HAS_OHCI
help
Base platform code for any Samsung S3C64XX device
help
Common setup code for S3C64XX with an 24bpp RGB display helper.
+config S3C64XX_SETUP_SDHCI_GPIO
+ bool
+ help
+ Common setup code for S3C64XX SDHCI GPIO configurations
+
endif
obj-$(CONFIG_CPU_S3C6400_INIT) += s3c6400-init.o
obj-$(CONFIG_CPU_S3C6400_CLOCK) += s3c6400-clock.o
+# PM support
+
+obj-$(CONFIG_PM) += pm.o
+obj-$(CONFIG_PM) += sleep.o
+obj-$(CONFIG_PM) += irq-pm.o
+
# DMA support
obj-$(CONFIG_S3C64XX_DMA) += dma.o
obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
+obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
\ No newline at end of file
#include <plat/devs.h>
#include <plat/clock.h>
+struct clk clk_h2 = {
+ .name = "hclk2",
+ .id = -1,
+ .rate = 0,
+};
+
struct clk clk_27m = {
.name = "clk_27m",
.id = -1,
.parent = &clk_48m,
.enable = s3c64xx_sclk_ctrl,
.ctrlbit = S3C_CLKCON_SCLK_MMC2_48,
+ }, {
+ .name = "dma0",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s3c64xx_hclk_ctrl,
+ .ctrlbit = S3C_CLKCON_HCLK_DMA0,
+ }, {
+ .name = "dma1",
+ .id = -1,
+ .parent = &clk_h,
+ .enable = s3c64xx_hclk_ctrl,
+ .ctrlbit = S3C_CLKCON_HCLK_DMA1,
},
};
&clk_epll,
&clk_27m,
&clk_48m,
+ &clk_h2,
};
void __init s3c64xx_register_clocks(void)
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
+#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
.pfn = __phys_to_pfn(S3C64XX_PA_MODEM),
.length = SZ_4K,
.type = MT_DEVICE,
+ }, {
+ .virtual = (unsigned long)S3C_VA_WATCHDOG,
+ .pfn = __phys_to_pfn(S3C64XX_PA_WATCHDOG),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
},
};
+
+struct sysdev_class s3c64xx_sysclass = {
+ .name = "s3c64xx-core",
+};
+
+static struct sys_device s3c64xx_sysdev = {
+ .cls = &s3c64xx_sysclass,
+};
+
+
/* read cpu identification code */
void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
iotable_init(mach_desc, size);
idcode = __raw_readl(S3C_VA_SYS + 0x118);
+ if (!idcode) {
+ /* S3C6400 has the ID register in a different place,
+ * and needs a write before it can be read. */
+
+ __raw_writel(0x0, S3C_VA_SYS + 0xA1C);
+ idcode = __raw_readl(S3C_VA_SYS + 0xA1C);
+ }
+
s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
}
+
+static __init int s3c64xx_sysdev_init(void)
+{
+ sysdev_class_register(&s3c64xx_sysclass);
+ return sysdev_register(&s3c64xx_sysdev);
+}
+
+core_initcall(s3c64xx_sysdev_init);
{
chip->chip.direction_input = s3c64xx_gpiolib_4bit_input;
chip->chip.direction_output = s3c64xx_gpiolib_4bit_output;
+ chip->pm = __gpio_pm(&s3c_gpio_pm_4bit);
}
static __init void s3c64xx_gpiolib_add_4bit2(struct s3c_gpio_chip *chip)
{
chip->chip.direction_input = s3c64xx_gpiolib_4bit2_input;
chip->chip.direction_output = s3c64xx_gpiolib_4bit2_output;
+ chip->pm = __gpio_pm(&s3c_gpio_pm_4bit);
+}
+
+static __init void s3c64xx_gpiolib_add_2bit(struct s3c_gpio_chip *chip)
+{
+ chip->pm = __gpio_pm(&s3c_gpio_pm_2bit);
}
static __init void s3c64xx_gpiolib_add(struct s3c_gpio_chip *chips,
s3c64xx_gpiolib_add(gpio_4bit2, ARRAY_SIZE(gpio_4bit2),
s3c64xx_gpiolib_add_4bit2);
- s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit), NULL);
+ s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit),
+ s3c64xx_gpiolib_add_2bit);
return 0;
}
#define S3C_EINT(x) ((x) + S3C_IRQ_EINT_BASE)
#define IRQ_EINT(x) S3C_EINT(x)
+#define IRQ_EINT_BIT(x) ((x) - S3C_EINT(0))
/* Next the external interrupt groups. These are similar to the IRQ_EINT(x)
* that they are sourced from the GPIO pins but with a different scheme for
--- /dev/null
+/* linux/arch/arm/plat-s3c64xx/include/plat/pm-core.h
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - PM core support for arch/arm/plat-s3c/pm.c
+ *
+ * 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 <plat/regs-gpio.h>
+
+static inline void s3c_pm_debug_init_uart(void)
+{
+ u32 tmp = __raw_readl(S3C_PCLK_GATE);
+
+ /* As a note, since the S3C64XX UARTs generally have multiple
+ * clock sources, we simply enable PCLK at the moment and hope
+ * that the resume settings for the UART are suitable for the
+ * use with PCLK.
+ */
+
+ tmp |= S3C_CLKCON_PCLK_UART0;
+ tmp |= S3C_CLKCON_PCLK_UART1;
+ tmp |= S3C_CLKCON_PCLK_UART2;
+ tmp |= S3C_CLKCON_PCLK_UART3;
+
+ __raw_writel(tmp, S3C_PCLK_GATE);
+ udelay(10);
+}
+
+static inline void s3c_pm_arch_prepare_irqs(void)
+{
+ /* VIC should have already been taken care of */
+
+ /* clear any pending EINT0 interrupts */
+ __raw_writel(__raw_readl(S3C64XX_EINT0PEND), S3C64XX_EINT0PEND);
+}
+
+static inline void s3c_pm_arch_stop_clocks(void)
+{
+}
+
+static inline void s3c_pm_arch_show_resume_irqs(void)
+{
+}
+
+/* make these defines, we currently do not have any need to change
+ * the IRQ wake controls depending on the CPU we are running on */
+
+#define s3c_irqwake_eintallow ((1 << 28) - 1)
+#define s3c_irqwake_intallow (0)
+
+static inline void s3c_pm_arch_update_uart(void __iomem *regs,
+ struct pm_uart_save *save)
+{
+ u32 ucon = __raw_readl(regs + S3C2410_UCON);
+ u32 ucon_clk = ucon & S3C6400_UCON_CLKMASK;
+ u32 save_clk = save->ucon & S3C6400_UCON_CLKMASK;
+ u32 new_ucon;
+ u32 delta;
+
+ /* S3C64XX UART blocks only support level interrupts, so ensure that
+ * when we restore unused UART blocks we force the level interrupt
+ * settigs. */
+ save->ucon |= S3C2410_UCON_TXILEVEL | S3C2410_UCON_RXILEVEL;
+
+ /* We have a constraint on changing the clock type of the UART
+ * between UCLKx and PCLK, so ensure that when we restore UCON
+ * that the CLK field is correctly modified if the bootloader
+ * has changed anything.
+ */
+ if (ucon_clk != save_clk) {
+ new_ucon = save->ucon;
+ delta = ucon_clk ^ save_clk;
+
+ /* change from UCLKx => wrong PCLK,
+ * either UCLK can be tested for by a bit-test
+ * with UCLK0 */
+ if (ucon_clk & S3C6400_UCON_UCLK0 &&
+ !(save_clk & S3C6400_UCON_UCLK0) &&
+ delta & S3C6400_UCON_PCLK2) {
+ new_ucon &= ~S3C6400_UCON_UCLK0;
+ } else if (delta == S3C6400_UCON_PCLK2) {
+ /* as an precaution, don't change from
+ * PCLK2 => PCLK or vice-versa */
+ new_ucon ^= S3C6400_UCON_PCLK2;
+ }
+
+ S3C_PMDBG("ucon change %04x => %04x (save=%04x)\n",
+ ucon, new_ucon, save->ucon);
+ save->ucon = new_ucon;
+ }
+}
#define S3C_HCLK_GATE S3C_CLKREG(0x30)
#define S3C_PCLK_GATE S3C_CLKREG(0x34)
#define S3C_SCLK_GATE S3C_CLKREG(0x38)
+#define S3C_MEM0_GATE S3C_CLKREG(0x3C)
/* CLKDIV0 */
#define S3C6400_CLKDIV0_MFC_MASK (0xf << 28)
/* Common init code for S3C6400 related SoCs */
extern void s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void s3c6400_register_clocks(void);
+extern void s3c6400_register_clocks(unsigned armclk_divlimit);
extern void s3c6400_setup_clocks(void);
#ifdef CONFIG_CPU_S3C6400
extern int s3c6400_init(void);
+extern void s3c6400_init_irq(void);
extern void s3c6400_map_io(void);
extern void s3c6400_init_clocks(int xtal);
#include <linux/kernel.h>
#include <linux/interrupt.h>
+#include <linux/sysdev.h>
#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <mach/map.h>
#include <plat/cpu.h>
+#include <plat/pm.h>
#define eint_offset(irq) ((irq) - IRQ_EINT(0))
#define eint_irq_to_bit(irq) (1 << eint_offset(irq))
.mask_ack = s3c_irq_eint_maskack,
.ack = s3c_irq_eint_ack,
.set_type = s3c_irq_eint_set_type,
+ .set_wake = s3c_irqext_wake,
};
/* s3c_irq_demux_eint
--- /dev/null
+/* arch/arm/plat-s3c64xx/irq-pm.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - Interrupt handling Power Management
+ *
+ * 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/sysdev.h>
+#include <linux/interrupt.h>
+#include <linux/serial_core.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/map.h>
+
+#include <plat/regs-serial.h>
+#include <plat/regs-timer.h>
+#include <plat/regs-gpio.h>
+#include <plat/cpu.h>
+#include <plat/pm.h>
+
+/* We handled all the IRQ types in this code, to save having to make several
+ * small files to handle each different type separately. Having the EINT_GRP
+ * code here shouldn't be as much bloat as the IRQ table space needed when
+ * they are enabled. The added benefit is we ensure that these registers are
+ * in the same state as we suspended.
+ */
+
+static struct sleep_save irq_save[] = {
+ SAVE_ITEM(S3C64XX_PRIORITY),
+ SAVE_ITEM(S3C64XX_EINT0CON0),
+ SAVE_ITEM(S3C64XX_EINT0CON1),
+ SAVE_ITEM(S3C64XX_EINT0FLTCON0),
+ SAVE_ITEM(S3C64XX_EINT0FLTCON1),
+ SAVE_ITEM(S3C64XX_EINT0FLTCON2),
+ SAVE_ITEM(S3C64XX_EINT0FLTCON3),
+ SAVE_ITEM(S3C64XX_EINT0MASK),
+ SAVE_ITEM(S3C64XX_TINT_CSTAT),
+};
+
+static struct irq_grp_save {
+ u32 fltcon;
+ u32 con;
+ u32 mask;
+} eint_grp_save[5];
+
+static u32 irq_uart_mask[CONFIG_SERIAL_SAMSUNG_UARTS];
+
+static int s3c64xx_irq_pm_suspend(struct sys_device *dev, pm_message_t state)
+{
+ struct irq_grp_save *grp = eint_grp_save;
+ int i;
+
+ S3C_PMDBG("%s: suspending IRQs\n", __func__);
+
+ s3c_pm_do_save(irq_save, ARRAY_SIZE(irq_save));
+
+ for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++)
+ irq_uart_mask[i] = __raw_readl(S3C_VA_UARTx(i) + S3C64XX_UINTM);
+
+ for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) {
+ grp->con = __raw_readl(S3C64XX_EINT12CON + (i * 4));
+ grp->mask = __raw_readl(S3C64XX_EINT12MASK + (i * 4));
+ grp->fltcon = __raw_readl(S3C64XX_EINT12FLTCON + (i * 4));
+ }
+
+ return 0;
+}
+
+static int s3c64xx_irq_pm_resume(struct sys_device *dev)
+{
+ struct irq_grp_save *grp = eint_grp_save;
+ int i;
+
+ S3C_PMDBG("%s: resuming IRQs\n", __func__);
+
+ s3c_pm_do_restore(irq_save, ARRAY_SIZE(irq_save));
+
+ for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++)
+ __raw_writel(irq_uart_mask[i], S3C_VA_UARTx(i) + S3C64XX_UINTM);
+
+ for (i = 0; i < ARRAY_SIZE(eint_grp_save); i++, grp++) {
+ __raw_writel(grp->con, S3C64XX_EINT12CON + (i * 4));
+ __raw_writel(grp->mask, S3C64XX_EINT12MASK + (i * 4));
+ __raw_writel(grp->fltcon, S3C64XX_EINT12FLTCON + (i * 4));
+ }
+
+ S3C_PMDBG("%s: IRQ configuration restored\n", __func__);
+ return 0;
+}
+
+static struct sysdev_driver s3c64xx_irq_driver = {
+ .suspend = s3c64xx_irq_pm_suspend,
+ .resume = s3c64xx_irq_pm_resume,
+};
+
+static int __init s3c64xx_irq_pm_init(void)
+{
+ return sysdev_driver_register(&s3c64xx_sysclass, &s3c64xx_irq_driver);
+}
+
+arch_initcall(s3c64xx_irq_pm_init);
+
#include <linux/kernel.h>
#include <linux/interrupt.h>
+#include <linux/serial_core.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <asm/hardware/vic.h>
#include <mach/map.h>
+#include <plat/regs-serial.h>
#include <plat/regs-timer.h>
#include <plat/cpu.h>
}
/* UART interrupt registers, not worth adding to seperate include header */
-#define S3C64XX_UINTP 0x30
-#define S3C64XX_UINTSP 0x34
-#define S3C64XX_UINTM 0x38
static void s3c_irq_uart_mask(unsigned int irq)
{
printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
/* initialise the pair of VICs */
- vic_init(S3C_VA_VIC0, S3C_VIC0_BASE, vic0_valid);
- vic_init(S3C_VA_VIC1, S3C_VIC1_BASE, vic1_valid);
+ vic_init(S3C_VA_VIC0, S3C_VIC0_BASE, vic0_valid, 0);
+ vic_init(S3C_VA_VIC1, S3C_VIC1_BASE, vic1_valid, 0);
/* add the timer sub-irqs */
--- /dev/null
+/* linux/arch/arm/plat-s3c64xx/pm.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX CPU PM 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.
+*/
+
+#include <linux/init.h>
+#include <linux/suspend.h>
+#include <linux/serial_core.h>
+#include <linux/io.h>
+
+#include <mach/map.h>
+
+#include <plat/pm.h>
+#include <plat/regs-sys.h>
+#include <plat/regs-gpio.h>
+#include <plat/regs-clock.h>
+#include <plat/regs-syscon-power.h>
+#include <plat/regs-gpio-memport.h>
+
+#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
+#include <plat/gpio-bank-n.h>
+
+void s3c_pm_debug_smdkled(u32 set, u32 clear)
+{
+ unsigned long flags;
+ u32 reg;
+
+ local_irq_save(flags);
+ reg = __raw_readl(S3C64XX_GPNCON);
+ reg &= ~(S3C64XX_GPN_CONMASK(12) | S3C64XX_GPN_CONMASK(13) |
+ S3C64XX_GPN_CONMASK(14) | S3C64XX_GPN_CONMASK(15));
+ reg |= S3C64XX_GPN_OUTPUT(12) | S3C64XX_GPN_OUTPUT(13) |
+ S3C64XX_GPN_OUTPUT(14) | S3C64XX_GPN_OUTPUT(15);
+ __raw_writel(reg, S3C64XX_GPNCON);
+
+ reg = __raw_readl(S3C64XX_GPNDAT);
+ reg &= ~(clear << 12);
+ reg |= set << 12;
+ __raw_writel(reg, S3C64XX_GPNDAT);
+
+ local_irq_restore(flags);
+}
+#endif
+
+static struct sleep_save core_save[] = {
+ SAVE_ITEM(S3C_APLL_LOCK),
+ SAVE_ITEM(S3C_MPLL_LOCK),
+ SAVE_ITEM(S3C_EPLL_LOCK),
+ SAVE_ITEM(S3C_CLK_SRC),
+ SAVE_ITEM(S3C_CLK_DIV0),
+ SAVE_ITEM(S3C_CLK_DIV1),
+ SAVE_ITEM(S3C_CLK_DIV2),
+ SAVE_ITEM(S3C_CLK_OUT),
+ SAVE_ITEM(S3C_HCLK_GATE),
+ SAVE_ITEM(S3C_PCLK_GATE),
+ SAVE_ITEM(S3C_SCLK_GATE),
+ SAVE_ITEM(S3C_MEM0_GATE),
+
+ SAVE_ITEM(S3C_EPLL_CON1),
+ SAVE_ITEM(S3C_EPLL_CON0),
+
+ SAVE_ITEM(S3C64XX_MEM0DRVCON),
+ SAVE_ITEM(S3C64XX_MEM1DRVCON),
+
+#ifndef CONFIG_CPU_FREQ
+ SAVE_ITEM(S3C_APLL_CON),
+ SAVE_ITEM(S3C_MPLL_CON),
+#endif
+};
+
+static struct sleep_save misc_save[] = {
+ SAVE_ITEM(S3C64XX_AHB_CON0),
+ SAVE_ITEM(S3C64XX_AHB_CON1),
+ SAVE_ITEM(S3C64XX_AHB_CON2),
+
+ SAVE_ITEM(S3C64XX_SPCON),
+
+ SAVE_ITEM(S3C64XX_MEM0CONSTOP),
+ SAVE_ITEM(S3C64XX_MEM1CONSTOP),
+ SAVE_ITEM(S3C64XX_MEM0CONSLP0),
+ SAVE_ITEM(S3C64XX_MEM0CONSLP1),
+ SAVE_ITEM(S3C64XX_MEM1CONSLP),
+};
+
+void s3c_pm_configure_extint(void)
+{
+ __raw_writel(s3c_irqwake_eintmask, S3C64XX_EINT_MASK);
+}
+
+void s3c_pm_restore_core(void)
+{
+ __raw_writel(0, S3C64XX_EINT_MASK);
+
+ s3c_pm_debug_smdkled(1 << 2, 0);
+
+ s3c_pm_do_restore_core(core_save, ARRAY_SIZE(core_save));
+ s3c_pm_do_restore(misc_save, ARRAY_SIZE(misc_save));
+}
+
+void s3c_pm_save_core(void)
+{
+ s3c_pm_do_save(misc_save, ARRAY_SIZE(misc_save));
+ s3c_pm_do_save(core_save, ARRAY_SIZE(core_save));
+}
+
+/* since both s3c6400 and s3c6410 share the same sleep pm calls, we
+ * put the per-cpu code in here until any new cpu comes along and changes
+ * this.
+ */
+
+#include <plat/regs-gpio.h>
+
+static void s3c64xx_cpu_suspend(void)
+{
+ unsigned long tmp;
+
+ /* set our standby method to sleep */
+
+ tmp = __raw_readl(S3C64XX_PWR_CFG);
+ tmp &= ~S3C64XX_PWRCFG_CFG_WFI_MASK;
+ tmp |= S3C64XX_PWRCFG_CFG_WFI_SLEEP;
+ __raw_writel(tmp, S3C64XX_PWR_CFG);
+
+ /* clear any old wakeup */
+
+ __raw_writel(__raw_readl(S3C64XX_WAKEUP_STAT),
+ S3C64XX_WAKEUP_STAT);
+
+ /* set the LED state to 0110 over sleep */
+ s3c_pm_debug_smdkled(3 << 1, 0xf);
+
+ /* issue the standby signal into the pm unit. Note, we
+ * issue a write-buffer drain just in case */
+
+ tmp = 0;
+
+ asm("b 1f\n\t"
+ ".align 5\n\t"
+ "1:\n\t"
+ "mcr p15, 0, %0, c7, c10, 5\n\t"
+ "mcr p15, 0, %0, c7, c10, 4\n\t"
+ "mcr p15, 0, %0, c7, c0, 4" :: "r" (tmp));
+
+ /* we should never get past here */
+
+ panic("sleep resumed to originator?");
+}
+
+static void s3c64xx_pm_prepare(void)
+{
+ /* store address of resume. */
+ __raw_writel(virt_to_phys(s3c_cpu_resume), S3C64XX_INFORM0);
+
+ /* ensure previous wakeup state is cleared before sleeping */
+ __raw_writel(__raw_readl(S3C64XX_WAKEUP_STAT), S3C64XX_WAKEUP_STAT);
+}
+
+static int s3c64xx_pm_init(void)
+{
+ pm_cpu_prep = s3c64xx_pm_prepare;
+ pm_cpu_sleep = s3c64xx_cpu_suspend;
+ pm_uart_udivslot = 1;
+ return 0;
+}
+
+arch_initcall(s3c64xx_pm_init);
.sources = &clk_src_mpll,
};
+static unsigned int armclk_mask;
+
+static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk)
+{
+ unsigned long rate = clk_get_rate(clk->parent);
+ u32 clkdiv;
+
+ /* divisor mask starts at bit0, so no need to shift */
+ clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask;
+
+ return rate / (clkdiv + 1);
+}
+
+static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk,
+ unsigned long rate)
+{
+ unsigned long parent = clk_get_rate(clk->parent);
+ u32 div;
+
+ if (parent < rate)
+ return rate;
+
+ div = (parent / rate) - 1;
+ if (div > armclk_mask)
+ div = armclk_mask;
+
+ return parent / (div + 1);
+}
+
+static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned long parent = clk_get_rate(clk->parent);
+ u32 div;
+ u32 val;
+
+ if (rate < parent / (armclk_mask + 1))
+ return -EINVAL;
+
+ rate = clk_round_rate(clk, rate);
+ div = clk_get_rate(clk->parent) / rate;
+
+ val = __raw_readl(S3C_CLK_DIV0);
+ val &= armclk_mask;
+ val |= (div - 1);
+ __raw_writel(val, S3C_CLK_DIV0);
+
+ return 0;
+
+}
+
+static struct clk clk_arm = {
+ .name = "armclk",
+ .id = -1,
+ .parent = &clk_mout_apll.clk,
+ .get_rate = s3c64xx_clk_arm_get_rate,
+ .set_rate = s3c64xx_clk_arm_set_rate,
+ .round_rate = s3c64xx_clk_arm_round_rate,
+};
+
static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk)
{
unsigned long rate = clk_get_rate(clk->parent);
.reg_divider = S3C_CLK_DIV2,
};
+static struct clk *clkset_camif_list[] = {
+ &clk_h2,
+};
+
+static struct clk_sources clkset_camif = {
+ .sources = clkset_camif_list,
+ .nr_sources = ARRAY_SIZE(clkset_camif_list),
+};
+
+static struct clksrc_clk clk_camif = {
+ .clk = {
+ .name = "camera",
+ .id = -1,
+ .ctrlbit = S3C_CLKCON_SCLK_CAM,
+ .enable = s3c64xx_sclk_ctrl,
+ .set_parent = s3c64xx_setparent_clksrc,
+ .get_rate = s3c64xx_getrate_clksrc,
+ .set_rate = s3c64xx_setrate_clksrc,
+ .round_rate = s3c64xx_roundrate_clksrc,
+ },
+ .shift = 0,
+ .mask = 0,
+ .sources = &clkset_camif,
+ .divider_shift = S3C6400_CLKDIV0_CAM_SHIFT,
+ .reg_divider = S3C_CLK_DIV0,
+};
+
/* Clock initialisation code */
static struct clksrc_clk *init_parents[] = {
&clk_audio0,
&clk_audio1,
&clk_irda,
+ &clk_camif,
};
static void __init_or_cpufreq s3c6400_set_clksrc(struct clksrc_clk *clk)
clk_fout_epll.rate = epll;
clk_fout_apll.rate = apll;
+ clk_h2.rate = hclk2;
clk_h.rate = hclk;
clk_p.rate = pclk;
clk_f.rate = fclk;
&clk_audio0.clk,
&clk_audio1.clk,
&clk_irda.clk,
+ &clk_camif.clk,
+ &clk_arm,
};
-void __init s3c6400_register_clocks(void)
+/**
+ * s3c6400_register_clocks - register clocks for s3c6400 and above
+ * @armclk_divlimit: Divisor mask for ARMCLK
+ *
+ * Register the clocks for the S3C6400 and above SoC range, such
+ * as ARMCLK and the clocks which have divider chains attached.
+ *
+ * This call does not setup the clocks, which is left to the
+ * s3c6400_setup_clocks() call which may be needed by the cpufreq
+ * or resume code to re-set the clocks if the bootloader has changed
+ * them.
+ */
+void __init s3c6400_register_clocks(unsigned armclk_divlimit)
{
struct clk *clkp;
int ret;
int ptr;
+ armclk_mask = armclk_divlimit;
+
for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
clkp = clks[ptr];
ret = s3c24xx_register_clock(clkp);
--- /dev/null
+/* linux/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
+ *
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - Helper functions for setting up SDHCI device(s) GPIO (HSMMC)
+ *
+ * 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/platform_device.h>
+#include <linux/io.h>
+
+#include <mach/gpio.h>
+#include <plat/gpio-cfg.h>
+
+void s3c64xx_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
+{
+ unsigned int gpio;
+ unsigned int end;
+
+ end = S3C64XX_GPG(2 + width);
+
+ /* Set all the necessary GPG pins to special-function 0 */
+ for (gpio = S3C64XX_GPG(0); gpio < end; gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(2));
+}
+
+void s3c64xx_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
+{
+ unsigned int gpio;
+ unsigned int end;
+
+ end = S3C64XX_GPH(2 + width);
+
+ /* Set all the necessary GPG pins to special-function 0 */
+ for (gpio = S3C64XX_GPH(0); gpio < end; gpio++) {
+ s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ s3c_gpio_setpull(S3C64XX_GPG(6), S3C_GPIO_PULL_UP);
+ s3c_gpio_cfgpin(S3C64XX_GPG(6), S3C_GPIO_SFN(3));
+}
--- /dev/null
+/* linux/0arch/arm/plat-s3c64xx/sleep.S
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX CPU sleep 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.
+*/
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <mach/map.h>
+
+#undef S3C64XX_VA_GPIO
+#define S3C64XX_VA_GPIO (0x0)
+
+#include <plat/regs-gpio.h>
+#include <plat/gpio-bank-n.h>
+
+#define LL_UART (S3C_PA_UART + (0x400 * CONFIG_S3C_LOWLEVEL_UART_PORT))
+
+ .text
+
+ /* s3c_cpu_save
+ *
+ * Save enough processor state to allow the restart of the pm.c
+ * code after resume.
+ *
+ * entry:
+ * r0 = pointer to the save block
+ */
+
+ENTRY(s3c_cpu_save)
+ stmfd sp!, { r4 - r12, lr }
+
+ mrc p15, 0, r4, c13, c0, 0 @ FCSE/PID
+ mrc p15, 0, r5, c3, c0, 0 @ Domain ID
+ mrc p15, 0, r6, c2, c0, 0 @ Translation Table BASE0
+ mrc p15, 0, r7, c2, c0, 1 @ Translation Table BASE1
+ mrc p15, 0, r8, c2, c0, 2 @ Translation Table Control
+ mrc p15, 0, r9, c1, c0, 0 @ Control register
+ mrc p15, 0, r10, c1, c0, 1 @ Auxiliary control register
+ mrc p15, 0, r11, c1, c0, 2 @ Co-processor access controls
+
+ stmia r0, { r4 - r13 } @ Save CP registers and SP
+
+ @@ save our state to ram
+ bl s3c_pm_cb_flushcache
+
+ @@ call final suspend code
+ ldr r0, =pm_cpu_sleep
+ ldr pc, [r0]
+
+ @@ return to the caller, after the MMU is turned on.
+ @@ restore the last bits of the stack and return.
+resume_with_mmu:
+ ldmfd sp!, { r4 - r12, pc } @ return, from sp from s3c_cpu_save
+
+ .data
+
+ /* the next bit is code, but it requires easy access to the
+ * s3c_sleep_save_phys data before the MMU is switched on, so
+ * we store the code that needs this variable in the .data where
+ * the value can be written to (the .text segment is RO).
+ */
+
+ .global s3c_sleep_save_phys
+s3c_sleep_save_phys:
+ .word 0
+
+ /* Sleep magic, the word before the resume entry point so that the
+ * bootloader can check for a resumeable image. */
+
+ .word 0x2bedf00d
+
+ /* s3c_cpu_reusme
+ *
+ * This is the entry point, stored by whatever method the bootloader
+ * requires to get the kernel runnign again. This code expects to be
+ * entered with no caches live and the MMU disabled. It will then
+ * restore the MMU and other basic CP registers saved and restart
+ * the kernel C code to finish the resume code.
+ */
+
+ENTRY(s3c_cpu_resume)
+ msr cpsr_c, #PSR_I_BIT | PSR_F_BIT | SVC_MODE
+ ldr r2, =LL_UART /* for debug */
+
+#ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
+ /* Initialise the GPIO state if we are debugging via the SMDK LEDs,
+ * as the uboot version supplied resets these to inputs during the
+ * resume checks.
+ */
+
+ ldr r3, =S3C64XX_PA_GPIO
+ ldr r0, [ r3, #S3C64XX_GPNCON ]
+ bic r0, r0, #(S3C64XX_GPN_CONMASK(12) | S3C64XX_GPN_CONMASK(13) | \
+ S3C64XX_GPN_CONMASK(14) | S3C64XX_GPN_CONMASK(15))
+ orr r0, r0, #(S3C64XX_GPN_OUTPUT(12) | S3C64XX_GPN_OUTPUT(13) | \
+ S3C64XX_GPN_OUTPUT(14) | S3C64XX_GPN_OUTPUT(15))
+ str r0, [ r3, #S3C64XX_GPNCON ]
+
+ ldr r0, [ r3, #S3C64XX_GPNDAT ]
+ bic r0, r0, #0xf << 12 @ GPN12..15
+ orr r0, r0, #1 << 15 @ GPN15
+ str r0, [ r3, #S3C64XX_GPNDAT ]
+#endif
+
+ /* __v6_setup from arch/arm/mm/proc-v6.S, ensure that the caches
+ * are thoroughly cleaned just in case the bootloader didn't do it
+ * for us. */
+ mov r0, #0
+ mcr p15, 0, r0, c7, c14, 0 @ clean+invalidate D cache
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
+ mcr p15, 0, r0, c7, c15, 0 @ clean+invalidate cache
+ mcr p15, 0, r0, c7, c10, 4 @ drain write buffer
+ @@mcr p15, 0, r0, c8, c7, 0 @ invalidate I + D TLBs
+ @@mcr p15, 0, r0, c7, c7, 0 @ Invalidate I + D caches
+
+ ldr r0, s3c_sleep_save_phys
+ ldmia r0, { r4 - r13 }
+
+ mcr p15, 0, r4, c13, c0, 0 @ FCSE/PID
+ mcr p15, 0, r5, c3, c0, 0 @ Domain ID
+ mcr p15, 0, r6, c2, c0, 0 @ Translation Table BASE0
+ mcr p15, 0, r7, c2, c0, 1 @ Translation Table BASE1
+ mcr p15, 0, r8, c2, c0, 2 @ Translation Table Control
+ mcr p15, 0, r10, c1, c0, 1 @ Auxiliary control register
+
+ mov r0, #0 @ restore copro access controls
+ mcr p15, 0, r11, c1, c0, 2 @ Co-processor access controls
+ mcr p15, 0, r0, c7, c5, 4
+
+ ldr r2, =resume_with_mmu
+ mcr p15, 0, r9, c1, c0, 0 /* turn mmu back on */
+ nop
+ mov pc, r2 /* jump back */
+
+ .end
git.openpandora.org / pandora-kernel.git / commitdiff