Merge branch 'linus' into sched/core

Merge reason: update to latest upstream

Signed-off-by: Ingo Molnar <mingo@elte.hu>

7 files changed, 350 insertions, 0 deletions

diff --git a/arch/arm/plat-s5p/include/plat/irqs.h b/arch/arm/plat-s5p/include/plat/irqs.h
new file mode 100644
index 00000000000..42e757f2e40
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/irqs.h
@@ -0,0 +1,90 @@
+/* linux/arch/arm/plat-s5p/include/plat/irqs.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P Common IRQ 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.
+*/
+
+#ifndef __ASM_PLAT_S5P_IRQS_H
+#define __ASM_PLAT_S5P_IRQS_H __FILE__
+
+/* we keep the first set of CPU IRQs out of the range of
+ * the ISA space, so that the PC104 has them to itself
+ * and we don't end up having to do horrible things to the
+ * standard ISA drivers....
+ *
+ * note, since we're using the VICs, our start must be a
+ * mulitple of 32 to allow the common code to work
+ */
+
+#define S5P_IRQ_OFFSET		(32)
+
+#define S5P_IRQ(x)		((x) + S5P_IRQ_OFFSET)
+
+#define S5P_VIC0_BASE		S5P_IRQ(0)
+#define S5P_VIC1_BASE		S5P_IRQ(32)
+#define S5P_VIC2_BASE		S5P_IRQ(64)
+#define S5P_VIC3_BASE		S5P_IRQ(96)
+
+#define VIC_BASE(x)		(S5P_VIC0_BASE + ((x)*32))
+
+#define IRQ_VIC0_BASE		S5P_VIC0_BASE
+#define IRQ_VIC1_BASE		S5P_VIC1_BASE
+#define IRQ_VIC2_BASE		S5P_VIC2_BASE
+
+/* UART interrupts, each UART has 4 intterupts per channel so
+ * use the space between the ISA and S3C main interrupts. Note, these
+ * are not in the same order as the S3C24XX series! */
+
+#define IRQ_S5P_UART_BASE0	(16)
+#define IRQ_S5P_UART_BASE1	(20)
+#define IRQ_S5P_UART_BASE2	(24)
+#define IRQ_S5P_UART_BASE3	(28)
+
+#define UART_IRQ_RXD		(0)
+#define UART_IRQ_ERR		(1)
+#define UART_IRQ_TXD		(2)
+
+#define IRQ_S5P_UART_RX0	(IRQ_S5P_UART_BASE0 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX0	(IRQ_S5P_UART_BASE0 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR0	(IRQ_S5P_UART_BASE0 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX1	(IRQ_S5P_UART_BASE1 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX1	(IRQ_S5P_UART_BASE1 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR1	(IRQ_S5P_UART_BASE1 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX2	(IRQ_S5P_UART_BASE2 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX2	(IRQ_S5P_UART_BASE2 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR2	(IRQ_S5P_UART_BASE2 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX3	(IRQ_S5P_UART_BASE3 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX3	(IRQ_S5P_UART_BASE3 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR3	(IRQ_S5P_UART_BASE3 + UART_IRQ_ERR)
+
+/* S3C compatibilty defines */
+#define IRQ_S3CUART_RX0		IRQ_S5P_UART_RX0
+#define IRQ_S3CUART_RX1		IRQ_S5P_UART_RX1
+#define IRQ_S3CUART_RX2		IRQ_S5P_UART_RX2
+#define IRQ_S3CUART_RX3		IRQ_S5P_UART_RX3
+
+/* VIC based IRQs */
+
+#define S5P_IRQ_VIC0(x)		(S5P_VIC0_BASE + (x))
+#define S5P_IRQ_VIC1(x)		(S5P_VIC1_BASE + (x))
+#define S5P_IRQ_VIC2(x)		(S5P_VIC2_BASE + (x))
+#define S5P_IRQ_VIC3(x)		(S5P_VIC3_BASE + (x))
+
+#define S5P_TIMER_IRQ(x)	S5P_IRQ(11 + (x))
+
+#define IRQ_TIMER0		S5P_TIMER_IRQ(0)
+#define IRQ_TIMER1		S5P_TIMER_IRQ(1)
+#define IRQ_TIMER2		S5P_TIMER_IRQ(2)
+#define IRQ_TIMER3		S5P_TIMER_IRQ(3)
+#define IRQ_TIMER4		S5P_TIMER_IRQ(4)
+
+#endif /* __ASM_PLAT_S5P_IRQS_H */
diff --git a/arch/arm/plat-s5p/include/plat/map-s5p.h b/arch/arm/plat-s5p/include/plat/map-s5p.h
new file mode 100644
index 00000000000..14828521f70
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/map-s5p.h
@@ -0,0 +1,34 @@
+/* linux/arch/arm/plat-s5p/include/plat/map-s5p.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P - Memory map definitions
+ *
+ * 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.
+*/
+
+#ifndef __ASM_PLAT_MAP_S5P_H
+#define __ASM_PLAT_MAP_S5P_H __FILE__
+
+#define S5P_VA_CHIPID		S3C_ADDR(0x00700000)
+#define S5P_VA_GPIO		S3C_ADDR(0x00500000)
+#define S5P_VA_SYSTIMER		S3C_ADDR(0x01200000)
+#define S5P_VA_SROMC		S3C_ADDR(0x01100000)
+
+#define S5P_VA_UART0		(S3C_VA_UART + 0x0)
+#define S5P_VA_UART1		(S3C_VA_UART + 0x400)
+#define S5P_VA_UART2		(S3C_VA_UART + 0x800)
+#define S5P_VA_UART3		(S3C_VA_UART + 0xC00)
+
+#define S3C_UART_OFFSET		(0x400)
+
+#define VA_VIC(x)		(S3C_VA_IRQ + ((x) * 0x10000))
+#define VA_VIC0			VA_VIC(0)
+#define VA_VIC1			VA_VIC(1)
+#define VA_VIC2			VA_VIC(2)
+#define VA_VIC3			VA_VIC(3)
+
+#endif /* __ASM_PLAT_MAP_S5P_H */
diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h
new file mode 100644
index 00000000000..d48325bb29e
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/pll.h
@@ -0,0 +1,83 @@
+/* arch/arm/plat-s5p/include/plat/pll.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P PLL code
+ *
+ * Based on arch/arm/plat-s3c64xx/include/plat/pll.h
+ *
+ * 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.
+*/
+
+#define PLL45XX_MDIV_MASK	(0x3FF)
+#define PLL45XX_PDIV_MASK	(0x3F)
+#define PLL45XX_SDIV_MASK	(0x7)
+#define PLL45XX_MDIV_SHIFT	(16)
+#define PLL45XX_PDIV_SHIFT	(8)
+#define PLL45XX_SDIV_SHIFT	(0)
+
+#include <asm/div64.h>
+
+enum pll45xx_type_t {
+	pll_4500,
+	pll_4502,
+	pll_4508
+};
+
+static inline unsigned long s5p_get_pll45xx(unsigned long baseclk, u32 pll_con,
+					    enum pll45xx_type_t pll_type)
+{
+	u32 mdiv, pdiv, sdiv;
+	u64 fvco = baseclk;
+
+	mdiv = (pll_con >> PLL45XX_MDIV_SHIFT) & PLL45XX_MDIV_MASK;
+	pdiv = (pll_con >> PLL45XX_PDIV_SHIFT) & PLL45XX_PDIV_MASK;
+	sdiv = (pll_con >> PLL45XX_SDIV_SHIFT) & PLL45XX_SDIV_MASK;
+
+	if (pll_type == pll_4508)
+		sdiv = sdiv - 1;
+
+	fvco *= mdiv;
+	do_div(fvco, (pdiv << sdiv));
+
+	return (unsigned long)fvco;
+}
+
+#define PLL90XX_MDIV_MASK	(0xFF)
+#define PLL90XX_PDIV_MASK	(0x3F)
+#define PLL90XX_SDIV_MASK	(0x7)
+#define PLL90XX_KDIV_MASK	(0xffff)
+#define PLL90XX_MDIV_SHIFT	(16)
+#define PLL90XX_PDIV_SHIFT	(8)
+#define PLL90XX_SDIV_SHIFT	(0)
+#define PLL90XX_KDIV_SHIFT	(0)
+
+static inline unsigned long s5p_get_pll90xx(unsigned long baseclk,
+					    u32 pll_con, u32 pll_conk)
+{
+	unsigned long result;
+	u32 mdiv, pdiv, sdiv, kdiv;
+	u64 tmp;
+
+	mdiv = (pll_con >> PLL90XX_MDIV_SHIFT) & PLL90XX_MDIV_MASK;
+	pdiv = (pll_con >> PLL90XX_PDIV_SHIFT) & PLL90XX_PDIV_MASK;
+	sdiv = (pll_con >> PLL90XX_SDIV_SHIFT) & PLL90XX_SDIV_MASK;
+	kdiv = pll_conk & PLL90XX_KDIV_MASK;
+
+	/* We need to multiple baseclk by mdiv (the integer part) and kdiv
+	 * which is in 2^16ths, so shift mdiv up (does not overflow) and
+	 * add kdiv before multiplying. The use of tmp is to avoid any
+	 * overflows before shifting bac down into result when multipling
+	 * by the mdiv and kdiv pair.
+	 */
+
+	tmp = baseclk;
+	tmp *= (mdiv << 16) + kdiv;
+	do_div(tmp, (pdiv << sdiv));
+	result = tmp >> 16;
+
+	return result;
+}
diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h
new file mode 100644
index 00000000000..56fb8b414d4
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h
@@ -0,0 +1,40 @@
+/* linux/arch/arm/plat-s5p/include/plat/s5p-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5p clock 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.
+*/
+
+#ifndef __ASM_PLAT_S5P_CLOCK_H
+#define __ASM_PLAT_S5P_CLOCK_H __FILE__
+
+#include <linux/clk.h>
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+#define clk_fin_apll clk_ext_xtal_mux
+#define clk_fin_mpll clk_ext_xtal_mux
+#define clk_fin_epll clk_ext_xtal_mux
+#define clk_fin_vpll clk_ext_xtal_mux
+
+extern struct clk clk_ext_xtal_mux;
+extern struct clk clk_48m;
+extern struct clk clk_fout_apll;
+extern struct clk clk_fout_mpll;
+extern struct clk clk_fout_epll;
+extern struct clk clk_arm;
+extern struct clk clk_vpll;
+
+extern struct clksrc_sources clk_src_apll;
+extern struct clksrc_sources clk_src_mpll;
+extern struct clksrc_sources clk_src_epll;
+
+extern int s5p6440_clk48m_ctrl(struct clk *clk, int enable);
+extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable);
+
+#endif /* __ASM_PLAT_S5P_CLOCK_H */
diff --git a/arch/arm/plat-s5p/include/plat/s5p6440.h b/arch/arm/plat-s5p/include/plat/s5p6440.h
new file mode 100644
index 00000000000..a4cd75afeb3
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p6440.h
@@ -0,0 +1,37 @@
+/* arch/arm/plat-s5p/include/plat/s5p6440.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5p6440 cpu support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+ /* Common init code for S5P6440 related SoCs */
+
+extern void s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5p6440_register_clocks(void);
+extern void s5p6440_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5P6440
+
+extern  int s5p6440_init(void);
+extern void s5p6440_init_irq(void);
+extern void s5p6440_map_io(void);
+extern void s5p6440_init_clocks(int xtal);
+
+#define s5p6440_init_uarts s5p6440_common_init_uarts
+
+#else
+#define s5p6440_init_clocks NULL
+#define s5p6440_init_uarts NULL
+#define s5p6440_map_io NULL
+#define s5p6440_init NULL
+#endif
+
+/* S5P6440 timer */
+
+extern struct sys_timer s5p6440_timer;
diff --git a/arch/arm/plat-s5p/include/plat/s5p6442.h b/arch/arm/plat-s5p/include/plat/s5p6442.h
new file mode 100644
index 00000000000..7b8801349c9
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p6442.h
@@ -0,0 +1,33 @@
+/* arch/arm/plat-s5p/include/plat/s5p6442.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5p6442 cpu support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* Common init code for S5P6442 related SoCs */
+
+extern void s5p6442_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5p6442_register_clocks(void);
+extern void s5p6442_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5P6442
+
+extern  int s5p6442_init(void);
+extern void s5p6442_init_irq(void);
+extern void s5p6442_map_io(void);
+extern void s5p6442_init_clocks(int xtal);
+
+#define s5p6442_init_uarts s5p6442_common_init_uarts
+
+#else
+#define s5p6442_init_clocks NULL
+#define s5p6442_init_uarts NULL
+#define s5p6442_map_io NULL
+#define s5p6442_init NULL
+#endif
diff --git a/arch/arm/plat-s5p/include/plat/s5pv210.h b/arch/arm/plat-s5p/include/plat/s5pv210.h
new file mode 100644
index 00000000000..6c93a0c7810
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5pv210.h
@@ -0,0 +1,33 @@
+/* linux/arch/arm/plat-s5p/include/plat/s5pv210.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5pv210 cpu support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* Common init code for S5PV210 related SoCs */
+
+extern void s5pv210_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5pv210_register_clocks(void);
+extern void s5pv210_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5PV210
+
+extern  int s5pv210_init(void);
+extern void s5pv210_init_irq(void);
+extern void s5pv210_map_io(void);
+extern void s5pv210_init_clocks(int xtal);
+
+#define s5pv210_init_uarts s5pv210_common_init_uarts
+
+#else
+#define s5pv210_init_clocks NULL
+#define s5pv210_init_uarts NULL
+#define s5pv210_map_io NULL
+#define s5pv210_init NULL
+#endif