Merge branch 'linus' into x86/x2apic

12 files changed, 436 insertions, 0 deletions

diff --git a/include/asm-arm/arch-mv78xx0/debug-macro.S b/include/asm-arm/arch-mv78xx0/debug-macro.S
new file mode 100644
index 00000000000..d0595bd645e
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/debug-macro.S
@@ -0,0 +1,20 @@
+/*
+ * include/asm-arm/arch-mv78xx0/debug-macro.S
+ *
+ * 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 <asm/arch/mv78xx0.h>
+
+	.macro	addruart,rx
+	mrc	p15, 0, \rx, c1, c0
+	tst	\rx, #1					@ MMU enabled?
+	ldreq	\rx, =MV78XX0_REGS_PHYS_BASE
+	ldrne	\rx, =MV78XX0_REGS_VIRT_BASE
+	orr	\rx, \rx, #0x00012000
+	.endm
+
+#define UART_SHIFT	2
+#include <asm/hardware/debug-8250.S>
diff --git a/include/asm-arm/arch-mv78xx0/dma.h b/include/asm-arm/arch-mv78xx0/dma.h
new file mode 100644
index 00000000000..40a8c178f10
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/dma.h
@@ -0,0 +1 @@
+/* empty */
diff --git a/include/asm-arm/arch-mv78xx0/entry-macro.S b/include/asm-arm/arch-mv78xx0/entry-macro.S
new file mode 100644
index 00000000000..e9a606b1266
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * include/asm-arm/arch-mv78xx0/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Marvell MV78xx0 platforms
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <asm/arch/mv78xx0.h>
+
+	.macro  disable_fiq
+	.endm
+
+	.macro  arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro  get_irqnr_preamble, base, tmp
+	ldr	\base, =IRQ_VIRT_BASE
+	.endm
+
+	.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+	@ check low interrupts
+	ldr	\irqstat, [\base, #IRQ_CAUSE_LOW_OFF]
+	ldr	\tmp, [\base, #IRQ_MASK_LOW_OFF]
+	mov	\irqnr, #31
+	ands	\irqstat, \irqstat, \tmp
+
+	@ if no low interrupts set, check high interrupts
+	ldreq	\irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
+	ldreq	\tmp, [\base, #IRQ_MASK_HIGH_OFF]
+	moveq	\irqnr, #63
+	andeqs	\irqstat, \irqstat, \tmp
+
+	@ find first active interrupt source
+	clzne	\irqstat, \irqstat
+	subne	\irqnr, \irqnr, \irqstat
+	.endm
diff --git a/include/asm-arm/arch-mv78xx0/hardware.h b/include/asm-arm/arch-mv78xx0/hardware.h
new file mode 100644
index 00000000000..8e17926086c
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/hardware.h
@@ -0,0 +1,21 @@
+/*
+ * include/asm-arm/arch-mv78xx0/hardware.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include "mv78xx0.h"
+
+#define pcibios_assign_all_busses()	1
+
+#define PCIBIOS_MIN_IO			0x00001000
+#define PCIBIOS_MIN_MEM			0x01000000
+#define PCIMEM_BASE			MV78XX0_PCIE_MEM_PHYS_BASE /* mem base for VGA */
+
+
+#endif
diff --git a/include/asm-arm/arch-mv78xx0/io.h b/include/asm-arm/arch-mv78xx0/io.h
new file mode 100644
index 00000000000..415d4c98e3d
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/io.h
@@ -0,0 +1,26 @@
+/*
+ * include/asm-arm/arch-mv78xx0/io.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_IO_H
+#define __ASM_ARCH_IO_H
+
+#include "mv78xx0.h"
+
+#define IO_SPACE_LIMIT		0xffffffff
+
+static inline void __iomem *__io(unsigned long addr)
+{
+	return (void __iomem *)((addr - MV78XX0_PCIE_IO_PHYS_BASE(0))
+					+ MV78XX0_PCIE_IO_VIRT_BASE(0));
+}
+
+#define __io(a)			__io(a)
+#define __mem_pci(a)		(a)
+
+
+#endif
diff --git a/include/asm-arm/arch-mv78xx0/irqs.h b/include/asm-arm/arch-mv78xx0/irqs.h
new file mode 100644
index 00000000000..75930450cd6
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/irqs.h
@@ -0,0 +1,91 @@
+/*
+ * include/asm-arm/arch-mv78xx0/irqs.h
+ *
+ * IRQ definitions for Marvell MV78xx0 SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H
+
+#include "mv78xx0.h"	/* need GPIO_MAX */
+
+/*
+ * MV78xx0 Low Interrupt Controller
+ */
+#define IRQ_MV78XX0_ERR		0
+#define IRQ_MV78XX0_SPI		1
+#define IRQ_MV78XX0_I2C_0	2
+#define IRQ_MV78XX0_I2C_1	3
+#define IRQ_MV78XX0_IDMA_0	4
+#define IRQ_MV78XX0_IDMA_1	5
+#define IRQ_MV78XX0_IDMA_2	6
+#define IRQ_MV78XX0_IDMA_3	7
+#define IRQ_MV78XX0_TIMER_0	8
+#define IRQ_MV78XX0_TIMER_1	9
+#define IRQ_MV78XX0_TIMER_2	10
+#define IRQ_MV78XX0_TIMER_3	11
+#define IRQ_MV78XX0_UART_0	12
+#define IRQ_MV78XX0_UART_1	13
+#define IRQ_MV78XX0_UART_2	14
+#define IRQ_MV78XX0_UART_3	15
+#define IRQ_MV78XX0_USB_0	16
+#define IRQ_MV78XX0_USB_1	17
+#define IRQ_MV78XX0_USB_2	18
+#define IRQ_MV78XX0_CRYPTO	19
+#define IRQ_MV78XX0_SDIO_0	20
+#define IRQ_MV78XX0_SDIO_1	21
+#define IRQ_MV78XX0_XOR_0	22
+#define IRQ_MV78XX0_XOR_1	23
+#define IRQ_MV78XX0_I2S_0	24
+#define IRQ_MV78XX0_I2S_1	25
+#define IRQ_MV78XX0_SATA	26
+#define IRQ_MV78XX0_TDMI	27
+
+/*
+ * MV78xx0 High Interrupt Controller
+ */
+#define IRQ_MV78XX0_PCIE_00	32
+#define IRQ_MV78XX0_PCIE_01	33
+#define IRQ_MV78XX0_PCIE_02	34
+#define IRQ_MV78XX0_PCIE_03	35
+#define IRQ_MV78XX0_PCIE_10	36
+#define IRQ_MV78XX0_PCIE_11	37
+#define IRQ_MV78XX0_PCIE_12	38
+#define IRQ_MV78XX0_PCIE_13	39
+#define IRQ_MV78XX0_GE00_SUM	40
+#define IRQ_MV78XX0_GE00_RX	41
+#define IRQ_MV78XX0_GE00_TX	42
+#define IRQ_MV78XX0_GE00_MISC	43
+#define IRQ_MV78XX0_GE01_SUM	44
+#define IRQ_MV78XX0_GE01_RX	45
+#define IRQ_MV78XX0_GE01_TX	46
+#define IRQ_MV78XX0_GE01_MISC	47
+#define IRQ_MV78XX0_GE10_SUM	48
+#define IRQ_MV78XX0_GE10_RX	49
+#define IRQ_MV78XX0_GE10_TX	50
+#define IRQ_MV78XX0_GE10_MISC	51
+#define IRQ_MV78XX0_GE11_SUM	52
+#define IRQ_MV78XX0_GE11_RX	53
+#define IRQ_MV78XX0_GE11_TX	54
+#define IRQ_MV78XX0_GE11_MISC	55
+#define IRQ_MV78XX0_GPIO_0_7	56
+#define IRQ_MV78XX0_GPIO_8_15	57
+#define IRQ_MV78XX0_GPIO_16_23	58
+#define IRQ_MV78XX0_GPIO_24_31	59
+#define IRQ_MV78XX0_DB_IN	60
+#define IRQ_MV78XX0_DB_OUT	61
+
+/*
+ * MV78XX0 General Purpose Pins
+ */
+#define IRQ_MV78XX0_GPIO_START	64
+#define NR_GPIO_IRQS		GPIO_MAX
+
+#define NR_IRQS			(IRQ_MV78XX0_GPIO_START + NR_GPIO_IRQS)
+
+
+#endif
diff --git a/include/asm-arm/arch-mv78xx0/memory.h b/include/asm-arm/arch-mv78xx0/memory.h
new file mode 100644
index 00000000000..721a6b185b9
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/memory.h
@@ -0,0 +1,14 @@
+/*
+ * include/asm-arm/arch-mv78xx0/memory.h
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PHYS_OFFSET		UL(0x00000000)
+
+#define __virt_to_bus(x)	__virt_to_phys(x)
+#define __bus_to_virt(x)	__phys_to_virt(x)
+
+
+#endif
diff --git a/include/asm-arm/arch-mv78xx0/mv78xx0.h b/include/asm-arm/arch-mv78xx0/mv78xx0.h
new file mode 100644
index 00000000000..9f5d83c73fa
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/mv78xx0.h
@@ -0,0 +1,126 @@
+/*
+ * include/asm-arm/arch-mv78xx0/mv78xx0.h
+ *
+ * Generic definitions for Marvell MV78xx0 SoC flavors:
+ *  MV781x0 and MV782x0.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_MV78XX0_H
+#define __ASM_ARCH_MV78XX0_H
+
+/*
+ * Marvell MV78xx0 address maps.
+ *
+ * phys
+ * c0000000	PCIe Memory space
+ * f0800000	PCIe #0 I/O space
+ * f0900000	PCIe #1 I/O space
+ * f0a00000	PCIe #2 I/O space
+ * f0b00000	PCIe #3 I/O space
+ * f0c00000	PCIe #4 I/O space
+ * f0d00000	PCIe #5 I/O space
+ * f0e00000	PCIe #6 I/O space
+ * f0f00000	PCIe #7 I/O space
+ * f1000000	on-chip peripheral registers
+ *
+ * virt		phys		size
+ * fe400000	f102x000	16K	core-specific peripheral registers
+ * fe700000	f0800000	1M	PCIe #0 I/O space
+ * fe800000	f0900000	1M	PCIe #1 I/O space
+ * fe900000	f0a00000	1M	PCIe #2 I/O space
+ * fea00000	f0b00000	1M	PCIe #3 I/O space
+ * feb00000	f0c00000	1M	PCIe #4 I/O space
+ * fec00000	f0d00000	1M	PCIe #5 I/O space
+ * fed00000	f0e00000	1M	PCIe #6 I/O space
+ * fee00000	f0f00000	1M	PCIe #7 I/O space
+ * fef00000	f1000000	1M	on-chip peripheral registers
+ */
+#define MV78XX0_CORE0_REGS_PHYS_BASE	0xf1020000
+#define MV78XX0_CORE1_REGS_PHYS_BASE	0xf1024000
+#define MV78XX0_CORE_REGS_VIRT_BASE	0xfe400000
+#define MV78XX0_CORE_REGS_SIZE		SZ_16K
+
+#define MV78XX0_PCIE_IO_PHYS_BASE(i)	(0xf0800000 + ((i) << 20))
+#define MV78XX0_PCIE_IO_VIRT_BASE(i)	(0xfe700000 + ((i) << 20))
+#define MV78XX0_PCIE_IO_SIZE		SZ_1M
+
+#define MV78XX0_REGS_PHYS_BASE		0xf1000000
+#define MV78XX0_REGS_VIRT_BASE		0xfef00000
+#define MV78XX0_REGS_SIZE		SZ_1M
+
+#define MV78XX0_PCIE_MEM_PHYS_BASE	0xc0000000
+#define MV78XX0_PCIE_MEM_SIZE		0x30000000
+
+/*
+ * Core-specific peripheral registers.
+ */
+#define BRIDGE_VIRT_BASE	(MV78XX0_CORE_REGS_VIRT_BASE)
+#define  CPU_CONTROL		(BRIDGE_VIRT_BASE | 0x0104)
+#define   L2_WRITETHROUGH	0x00020000
+#define  RSTOUTn_MASK		(BRIDGE_VIRT_BASE | 0x0108)
+#define   SOFT_RESET_OUT_EN	0x00000004
+#define  SYSTEM_SOFT_RESET	(BRIDGE_VIRT_BASE | 0x010c)
+#define   SOFT_RESET		0x00000001
+#define  BRIDGE_CAUSE		(BRIDGE_VIRT_BASE | 0x0110)
+#define  BRIDGE_MASK		(BRIDGE_VIRT_BASE | 0x0114)
+#define   BRIDGE_INT_TIMER0	0x0002
+#define   BRIDGE_INT_TIMER1	0x0004
+#define   BRIDGE_INT_TIMER1_CLR	(~0x0004)
+#define  IRQ_VIRT_BASE		(BRIDGE_VIRT_BASE | 0x0200)
+#define   IRQ_CAUSE_LOW_OFF	0x0004
+#define   IRQ_CAUSE_HIGH_OFF	0x0008
+#define   IRQ_MASK_LOW_OFF	0x0010
+#define   IRQ_MASK_HIGH_OFF	0x0014
+#define  TIMER_VIRT_BASE	(BRIDGE_VIRT_BASE | 0x0300)
+
+/*
+ * Register Map
+ */
+#define DDR_VIRT_BASE		(MV78XX0_REGS_VIRT_BASE | 0x00000)
+#define  DDR_WINDOW_CPU0_BASE	(DDR_VIRT_BASE | 0x1500)
+#define  DDR_WINDOW_CPU1_BASE	(DDR_VIRT_BASE | 0x1700)
+
+#define DEV_BUS_PHYS_BASE	(MV78XX0_REGS_PHYS_BASE | 0x10000)
+#define DEV_BUS_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x10000)
+#define  SAMPLE_AT_RESET_LOW	(DEV_BUS_VIRT_BASE | 0x0030)
+#define  SAMPLE_AT_RESET_HIGH	(DEV_BUS_VIRT_BASE | 0x0034)
+#define  UART0_PHYS_BASE	(DEV_BUS_PHYS_BASE | 0x2000)
+#define  UART0_VIRT_BASE	(DEV_BUS_VIRT_BASE | 0x2000)
+#define  UART1_PHYS_BASE	(DEV_BUS_PHYS_BASE | 0x2100)
+#define  UART1_VIRT_BASE	(DEV_BUS_VIRT_BASE | 0x2100)
+#define  UART2_PHYS_BASE	(DEV_BUS_PHYS_BASE | 0x2200)
+#define  UART2_VIRT_BASE	(DEV_BUS_VIRT_BASE | 0x2200)
+#define  UART3_PHYS_BASE	(DEV_BUS_PHYS_BASE | 0x2300)
+#define  UART3_VIRT_BASE	(DEV_BUS_VIRT_BASE | 0x2300)
+
+#define GE10_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0x30000)
+#define GE11_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0x34000)
+
+#define PCIE00_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x40000)
+#define PCIE01_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x44000)
+#define PCIE02_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x48000)
+#define PCIE03_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x4c000)
+
+#define USB0_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0x50000)
+#define USB1_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0x51000)
+#define USB2_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0x52000)
+
+#define GE00_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0x70000)
+#define GE01_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0x74000)
+
+#define PCIE10_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x80000)
+#define PCIE11_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x84000)
+#define PCIE12_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x88000)
+#define PCIE13_VIRT_BASE	(MV78XX0_REGS_VIRT_BASE | 0x8c000)
+
+#define SATA_PHYS_BASE		(MV78XX0_REGS_PHYS_BASE | 0xa0000)
+
+
+#define GPIO_MAX		32
+
+
+#endif
diff --git a/include/asm-arm/arch-mv78xx0/system.h b/include/asm-arm/arch-mv78xx0/system.h
new file mode 100644
index 00000000000..7eb47d376db
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/system.h
@@ -0,0 +1,37 @@
+/*
+ * include/asm-arm/arch-mv78xx0/system.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/arch/hardware.h>
+#include <asm/arch/mv78xx0.h>
+
+static inline void arch_idle(void)
+{
+	cpu_do_idle();
+}
+
+static inline void arch_reset(char mode)
+{
+	/*
+	 * Enable soft reset to assert RSTOUTn.
+	 */
+	writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK);
+
+	/*
+	 * Assert soft reset.
+	 */
+	writel(SOFT_RESET, SYSTEM_SOFT_RESET);
+
+	while (1)
+		;
+}
+
+
+#endif
diff --git a/include/asm-arm/arch-mv78xx0/timex.h b/include/asm-arm/arch-mv78xx0/timex.h
new file mode 100644
index 00000000000..a854b1ccbd0
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/timex.h
@@ -0,0 +1,9 @@
+/*
+ * include/asm-arm/arch-mv78xx0/timex.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#define CLOCK_TICK_RATE		(100 * HZ)
diff --git a/include/asm-arm/arch-mv78xx0/uncompress.h b/include/asm-arm/arch-mv78xx0/uncompress.h
new file mode 100644
index 00000000000..3bfe0a293ef
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/uncompress.h
@@ -0,0 +1,47 @@
+/*
+ * include/asm-arm/arch-mv78xx0/uncompress.h
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/serial_reg.h>
+#include <asm/arch/mv78xx0.h>
+
+#define SERIAL_BASE	((unsigned char *)UART0_PHYS_BASE)
+
+static void putc(const char c)
+{
+	unsigned char *base = SERIAL_BASE;
+	int i;
+
+	for (i = 0; i < 0x1000; i++) {
+		if (base[UART_LSR << 2] & UART_LSR_THRE)
+			break;
+		barrier();
+	}
+
+	base[UART_TX << 2] = c;
+}
+
+static void flush(void)
+{
+	unsigned char *base = SERIAL_BASE;
+	unsigned char mask;
+	int i;
+
+	mask = UART_LSR_TEMT | UART_LSR_THRE;
+
+	for (i = 0; i < 0x1000; i++) {
+		if ((base[UART_LSR << 2] & mask) == mask)
+			break;
+		barrier();
+	}
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/include/asm-arm/arch-mv78xx0/vmalloc.h b/include/asm-arm/arch-mv78xx0/vmalloc.h
new file mode 100644
index 00000000000..f2c51219757
--- /dev/null
+++ b/include/asm-arm/arch-mv78xx0/vmalloc.h
@@ -0,0 +1,5 @@
+/*
+ * include/asm-arm/arch-mv78xx0/vmalloc.h
+ */
+
+#define VMALLOC_END	0xfe000000