Merge branch 'next-s3c24xx' into next-merged

git-mirror · Dec 18, 2008 · c6ad115 · c6ad115
2 parents 1d19fdb + 28ab44c
commit c6ad115
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diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
@@ -33,11 +33,6 @@ config S3C2410_GPIO
 	help
 	  GPIO code for S3C2410 and similar processors
 
-config S3C2410_CLOCK
-	bool
-	help
-	  Clock code for the S3C2410, and similar processors
-
 config SIMTEC_NOR
 	bool
 	help
@@ -85,6 +80,7 @@ config ARCH_BAST
 	select PM_SIMTEC if PM
 	select SIMTEC_NOR
 	select MACH_BAST_IDE
+	select S3C24XX_DCLK
 	select ISA
 	help
 	  Say Y here if you are using the Simtec Electronics EB2410ITX
@@ -122,6 +118,7 @@ config MACH_TCT_HAMMER
 config MACH_VR1000
 	bool "Thorcom VR1000"
 	select PM_SIMTEC if PM
+	select S3C24XX_DCLK
 	select SIMTEC_NOR
 	select MACH_BAST_IDE
 	select CPU_S3C2410

diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
@@ -15,7 +15,6 @@ obj-$(CONFIG_CPU_S3C2410_DMA)	+= dma.o
 obj-$(CONFIG_CPU_S3C2410_DMA)	+= dma.o
 obj-$(CONFIG_S3C2410_PM)	+= pm.o sleep.o
 obj-$(CONFIG_S3C2410_GPIO)	+= gpio.o
-obj-$(CONFIG_S3C2410_CLOCK)	+= clock.o
 
 # Machine support
 

diff --git a/arch/arm/mach-s3c2410/include/mach/regs-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-clock.h
@@ -42,13 +42,6 @@
 #define S3C2410_CLKCON_IIS	     (1<<17)
 #define S3C2410_CLKCON_SPI	     (1<<18)
 
-#define S3C2410_PLLCON_MDIVSHIFT     12
-#define S3C2410_PLLCON_PDIVSHIFT     4
-#define S3C2410_PLLCON_SDIVSHIFT     0
-#define S3C2410_PLLCON_MDIVMASK	     ((1<<(1+(19-12)))-1)
-#define S3C2410_PLLCON_PDIVMASK	     ((1<<5)-1)
-#define S3C2410_PLLCON_SDIVMASK	     3
-
 /* DCLKCON register addresses in gpio.h */
 
 #define S3C2410_DCLKCON_DCLK0EN	     (1<<0)
@@ -76,32 +69,6 @@
 #define S3C2410_CLKSLOW_SLOWVAL(x)	(x)
 #define S3C2410_CLKSLOW_GET_SLOWVAL(x)	((x) & 7)
 
-#ifndef __ASSEMBLY__
-
-#include <asm/div64.h>
-
-static inline unsigned int
-s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
-{
-	unsigned int mdiv, pdiv, sdiv;
-	uint64_t fvco;
-
-	mdiv = pllval >> S3C2410_PLLCON_MDIVSHIFT;
-	pdiv = pllval >> S3C2410_PLLCON_PDIVSHIFT;
-	sdiv = pllval >> S3C2410_PLLCON_SDIVSHIFT;
-
-	mdiv &= S3C2410_PLLCON_MDIVMASK;
-	pdiv &= S3C2410_PLLCON_PDIVMASK;
-	sdiv &= S3C2410_PLLCON_SDIVMASK;
-
-	fvco = (uint64_t)baseclk * (mdiv + 8);
-	do_div(fvco, (pdiv + 2) << sdiv);
-
-	return (unsigned int)fvco;
-}
-
-#endif /* __ASSEMBLY__ */
-
 #if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
 
 /* extra registers */

diff --git a/arch/arm/mach-s3c2410/include/mach/regs-gpio.h b/arch/arm/mach-s3c2410/include/mach/regs-gpio.h
@@ -1053,13 +1053,6 @@
 #define S3C24XX_EXTINT1	   S3C24XX_GPIOREG2(0x8C)
 #define S3C24XX_EXTINT2	   S3C24XX_GPIOREG2(0x90)
 
-/* values for S3C2410_EXTINT0/1/2 */
-#define S3C2410_EXTINT_LOWLEV	 (0x00)
-#define S3C2410_EXTINT_HILEV	 (0x01)
-#define S3C2410_EXTINT_FALLEDGE	 (0x02)
-#define S3C2410_EXTINT_RISEEDGE	 (0x04)
-#define S3C2410_EXTINT_BOTHEDGE	 (0x06)
-
 /* interrupt filtering conrrol for EINT16..EINT23 */
 #define S3C2410_EINFLT0	   S3C2410_GPIOREG(0x94)
 #define S3C2410_EINFLT1	   S3C2410_GPIOREG(0x98)

diff --git a/arch/arm/mach-s3c2410/include/mach/spi.h b/arch/arm/mach-s3c2410/include/mach/spi.h
@@ -22,5 +22,12 @@ struct s3c2410_spi_info {
 	void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol);
 };
 
+/* Standard setup / suspend routines for SPI GPIO pins. */
+
+extern void s3c24xx_spi_gpiocfg_bus0_gpe11_12_13(struct s3c2410_spi_info *spi,
+						 int enable);
+
+extern void s3c24xx_spi_gpiocfg_bus1_gpg5_6_7(struct s3c2410_spi_info *spi,
+					      int enable);
 
 #endif /* __ASM_ARCH_SPI_H */
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -43,6 +43,7 @@
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/pll.h>
 #include <plat/pm.h>
 
 static struct map_desc h1940_iodesc[] __initdata = {
@@ -223,10 +224,9 @@ static void __init h1940_init(void)
 			      S3C2410_MISCCR_USBSUSPND0 |
 			      S3C2410_MISCCR_USBSUSPND1, 0x0);
 
-	tmp = (
-		 0x78 << S3C2410_PLLCON_MDIVSHIFT)
-	      | (0x02 << S3C2410_PLLCON_PDIVSHIFT)
-	      | (0x03 << S3C2410_PLLCON_SDIVSHIFT);
+	tmp =   (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
+	      | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
+	      | (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
 	writel(tmp, S3C2410_UPLLCON);
 
 	platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));

diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
@@ -16,6 +16,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/clk.h>
 #include <linux/sysdev.h>
 #include <linux/serial_core.h>
 #include <linux/platform_device.h>
@@ -28,13 +29,16 @@
 #include <mach/hardware.h>
 #include <asm/irq.h>
 
+#include <plat/cpu-freq.h>
+
 #include <mach/regs-clock.h>
 #include <plat/regs-serial.h>
 
 #include <plat/s3c2410.h>
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/clock.h>
+#include <plat/pll.h>
 
 /* Initial IO mappings */
 
@@ -59,25 +63,28 @@ void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no)
  * machine specific initialisation.
 */
 
-void __init s3c2410_map_io(struct map_desc *mach_desc, int mach_size)
+void __init s3c2410_map_io(void)
 {
-	/* register our io-tables */
-
 	iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc));
-	iotable_init(mach_desc, mach_size);
 }
 
-void __init s3c2410_init_clocks(int xtal)
+void __init_or_cpufreq s3c2410_setup_clocks(void)
 {
+	struct clk *xtal_clk;
 	unsigned long tmp;
+	unsigned long xtal;
 	unsigned long fclk;
 	unsigned long hclk;
 	unsigned long pclk;
 
+	xtal_clk = clk_get(NULL, "xtal");
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
+
 	/* now we've got our machine bits initialised, work out what
 	 * clocks we've got */
 
-	fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal);
+	fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal);
 
 	tmp = __raw_readl(S3C2410_CLKDIVN);
 
@@ -95,7 +102,13 @@ void __init s3c2410_init_clocks(int xtal)
 	 * console to use them
 	 */
 
-	s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+	s3c24xx_setup_clocks(fclk, hclk, pclk);
+}
+
+void __init s3c2410_init_clocks(int xtal)
+{
+	s3c24xx_register_baseclocks(xtal);
+	s3c2410_setup_clocks();
 	s3c2410_baseclk_add();
 }
 

diff --git a/arch/arm/mach-s3c2412/s3c2412.c b/arch/arm/mach-s3c2412/s3c2412.c
@@ -16,6 +16,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/sysdev.h>
 #include <linux/serial_core.h>
@@ -33,6 +34,8 @@
 #include <mach/reset.h>
 #include <mach/idle.h>
 
+#include <plat/cpu-freq.h>
+
 #include <mach/regs-clock.h>
 #include <plat/regs-serial.h>
 #include <mach/regs-power.h>
@@ -47,6 +50,7 @@
 #include <plat/devs.h>
 #include <plat/clock.h>
 #include <plat/pm.h>
+#include <plat/pll.h>
 
 #ifndef CONFIG_CPU_S3C2412_ONLY
 void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO;
@@ -136,7 +140,7 @@ static void s3c2412_hard_reset(void)
  * machine specific initialisation.
 */
 
-void __init s3c2412_map_io(struct map_desc *mach_desc, int mach_size)
+void __init s3c2412_map_io(void)
 {
 	/* move base of IO */
 
@@ -153,20 +157,25 @@ void __init s3c2412_map_io(struct map_desc *mach_desc, int mach_size)
 	/* register our io-tables */
 
 	iotable_init(s3c2412_iodesc, ARRAY_SIZE(s3c2412_iodesc));
-	iotable_init(mach_desc, mach_size);
 }
 
-void __init s3c2412_init_clocks(int xtal)
+void __init_or_cpufreq s3c2412_setup_clocks(void)
 {
+	struct clk *xtal_clk;
 	unsigned long tmp;
+	unsigned long xtal;
 	unsigned long fclk;
 	unsigned long hclk;
 	unsigned long pclk;
 
+	xtal_clk = clk_get(NULL, "xtal");
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
+
 	/* now we've got our machine bits initialised, work out what
 	 * clocks we've got */
 
-	fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal*2);
+	fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal * 2);
 
 	clk_mpll.rate = fclk;
 
@@ -183,11 +192,17 @@ void __init s3c2412_init_clocks(int xtal)
 	printk("S3C2412: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n",
 	       print_mhz(fclk), print_mhz(hclk), print_mhz(pclk));
 
+	s3c24xx_setup_clocks(fclk, hclk, pclk);
+}
+
+void __init s3c2412_init_clocks(int xtal)
+{
 	/* initialise the clocks here, to allow other things like the
 	 * console to use them
 	 */
 
-	s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+	s3c24xx_register_baseclocks(xtal);
+	s3c2412_setup_clocks();
 	s3c2412_baseclk_add();
 }
 

diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
@@ -29,6 +29,7 @@ menu "S3C2440 Machines"
 config MACH_ANUBIS
 	bool "Simtec Electronics ANUBIS"
 	select CPU_S3C2440
+	select S3C24XX_DCLK
 	select PM_SIMTEC if PM
 	select HAVE_PATA_PLATFORM
 	select S3C24XX_GPIO_EXTRA64
@@ -39,6 +40,7 @@ config MACH_ANUBIS
 config MACH_OSIRIS
 	bool "Simtec IM2440D20 (OSIRIS) module"
 	select CPU_S3C2440
+	select S3C24XX_DCLK
 	select PM_SIMTEC if PM
 	select S3C24XX_GPIO_EXTRA128
 	help

diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
@@ -39,6 +39,8 @@
 
 #include <mach/regs-s3c2443-clock.h>
 
+#include <plat/cpu-freq.h>
+
 #include <plat/s3c2443.h>
 #include <plat/clock.h>
 #include <plat/cpu.h>
@@ -1011,22 +1013,20 @@ static struct clk *clks[] __initdata = {
 	&clk_prediv,
 };
 
-void __init s3c2443_init_clocks(int xtal)
+void __init_or_cpufreq s3c2443_setup_clocks(void)
 {
-	unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
 	unsigned long mpllcon = __raw_readl(S3C2443_MPLLCON);
 	unsigned long clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
+	struct clk *xtal_clk;
+	unsigned long xtal;
 	unsigned long pll;
 	unsigned long fclk;
 	unsigned long hclk;
 	unsigned long pclk;
-	struct clk *clkp;
-	int ret;
-	int ptr;
 
-	/* s3c2443 parents h and p clocks from prediv */
-	clk_h.parent = &clk_prediv;
-	clk_p.parent = &clk_prediv;
+	xtal_clk = clk_get(NULL, "xtal");
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
 
 	pll = s3c2443_get_mpll(mpllcon, xtal);
 	clk_msysclk.rate = pll;
@@ -1036,13 +1036,29 @@ void __init s3c2443_init_clocks(int xtal)
 	hclk /= s3c2443_get_hdiv(clkdiv0);
  	pclk = hclk / ((clkdiv0 & S3C2443_CLKDIV0_HALF_PCLK) ? 2 : 1);
 
-	s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+	s3c24xx_setup_clocks(fclk, hclk, pclk);
 
 	printk("S3C2443: mpll %s %ld.%03ld MHz, cpu %ld.%03ld MHz, mem %ld.%03ld MHz, pclk %ld.%03ld MHz\n",
 	       (mpllcon & S3C2443_PLLCON_OFF) ? "off":"on",
 	       print_mhz(pll), print_mhz(fclk),
 	       print_mhz(hclk), print_mhz(pclk));
 
+	s3c24xx_setup_clocks(fclk, hclk, pclk);
+}
+
+void __init s3c2443_init_clocks(int xtal)
+{
+	struct clk *clkp;
+	unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
+	int ret;
+	int ptr;
+
+	/* s3c2443 parents h and p clocks from prediv */
+	clk_h.parent = &clk_prediv;
+	clk_p.parent = &clk_prediv;
+
+	s3c24xx_register_baseclocks(xtal);
+	s3c2443_setup_clocks();
 	s3c2443_clk_initparents();
 
 	for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
@@ -1056,7 +1072,6 @@ void __init s3c2443_init_clocks(int xtal)
 	}
 
 	clk_epll.rate = s3c2443_get_epll(epllcon, xtal);
-
 	clk_usb_bus.parent = &clk_usb_bus_host;
 
 	/* ensure usb bus clock is within correct rate of 48MHz */

diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c
@@ -81,10 +81,9 @@ void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no)
  * machine specific initialisation.
  */
 
-void __init s3c2443_map_io(struct map_desc *mach_desc, int mach_size)
+void __init s3c2443_map_io(void)
 {
 	iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc));
-	iotable_init(mach_desc, mach_size);
 }
 
 /* need to register class before we actually register the device, and