Initial commit; kernel source import

arch/arm/mach-kirkwood/include/mach/bridge-regs.h

@@ -0,0 +1,81 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/bridge-regs.h
+ *
+ * Mbus-L to Mbus Bridge Registers
+ *
+ * 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_BRIDGE_REGS_H
+#define __ASM_ARCH_BRIDGE_REGS_H
+
+#include <mach/kirkwood.h>
+
+#define CPU_CONFIG		(BRIDGE_VIRT_BASE + 0x0100)
+#define CPU_CONFIG_ERROR_PROP	0x00000004
+
+#define CPU_CONTROL		(BRIDGE_VIRT_BASE + 0x0104)
+#define CPU_RESET		0x00000002
+
+#define RSTOUTn_MASK		(BRIDGE_VIRT_BASE + 0x0108)
+#define WDT_RESET_OUT_EN	0x00000002
+#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 WDT_INT_REQ		0x0008
+
+#define BRIDGE_INT_TIMER1_CLR	(~0x0004)
+
+#define IRQ_VIRT_BASE		(BRIDGE_VIRT_BASE + 0x0200)
+#define IRQ_CAUSE_LOW_OFF	0x0000
+#define IRQ_MASK_LOW_OFF	0x0004
+#define IRQ_CAUSE_HIGH_OFF	0x0010
+#define IRQ_MASK_HIGH_OFF	0x0014
+
+#define TIMER_VIRT_BASE		(BRIDGE_VIRT_BASE + 0x0300)
+#define TIMER_PHYS_BASE		(BRIDGE_PHYS_BASE + 0x0300)
+
+#define L2_CONFIG_REG		(BRIDGE_VIRT_BASE + 0x0128)
+#define L2_WRITETHROUGH		0x00000010
+
+#define CLOCK_GATING_CTRL	(BRIDGE_VIRT_BASE + 0x11c)
+#define CGC_BIT_GE0		(0)
+#define CGC_BIT_PEX0		(2)
+#define CGC_BIT_USB0		(3)
+#define CGC_BIT_SDIO		(4)
+#define CGC_BIT_TSU		(5)
+#define CGC_BIT_DUNIT		(6)
+#define CGC_BIT_RUNIT		(7)
+#define CGC_BIT_XOR0		(8)
+#define CGC_BIT_AUDIO		(9)
+#define CGC_BIT_SATA0		(14)
+#define CGC_BIT_SATA1		(15)
+#define CGC_BIT_XOR1		(16)
+#define CGC_BIT_CRYPTO		(17)
+#define CGC_BIT_PEX1		(18)
+#define CGC_BIT_GE1		(19)
+#define CGC_BIT_TDM		(20)
+#define CGC_GE0			(1 << 0)
+#define CGC_PEX0		(1 << 2)
+#define CGC_USB0		(1 << 3)
+#define CGC_SDIO		(1 << 4)
+#define CGC_TSU			(1 << 5)
+#define CGC_DUNIT		(1 << 6)
+#define CGC_RUNIT		(1 << 7)
+#define CGC_XOR0		(1 << 8)
+#define CGC_AUDIO		(1 << 9)
+#define CGC_SATA0		(1 << 14)
+#define CGC_SATA1		(1 << 15)
+#define CGC_XOR1		(1 << 16)
+#define CGC_CRYPTO		(1 << 17)
+#define CGC_PEX1		(1 << 18)
+#define CGC_GE1			(1 << 19)
+#define CGC_TDM			(1 << 20)
+#define CGC_RESERVED		(0x6 << 21)
+
+#endif

arch/arm/mach-kirkwood/include/mach/debug-macro.S

@@ -0,0 +1,19 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/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 <mach/bridge-regs.h>
+
+	.macro	addruart, rp, rv, tmp
+	ldr	\rp, =KIRKWOOD_REGS_PHYS_BASE
+	ldr	\rv, =KIRKWOOD_REGS_VIRT_BASE
+	orr	\rp, \rp, #0x00012000
+	orr	\rv, \rv, #0x00012000
+	.endm
+
+#define UART_SHIFT	2
+#include <asm/hardware/debug-8250.S>

arch/arm/mach-kirkwood/include/mach/entry-macro.S

@@ -0,0 +1,34 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/entry-macro.S
+ *
+ * Low-level IRQ helper macros for Marvell Kirkwood 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 <mach/bridge-regs.h>
+
+	.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
+	bne	1001f
+
+	@ if no low interrupts set, check high interrupts
+	ldr	\irqstat, [\base, #IRQ_CAUSE_HIGH_OFF]
+	ldr	\tmp, [\base, #IRQ_MASK_HIGH_OFF]
+	mov	\irqnr, #63
+	ands	\irqstat, \irqstat, \tmp
+
+	@ find first active interrupt source
+1001:	clzne	\irqstat, \irqstat
+	subne	\irqnr, \irqnr, \irqstat
+	.endm

arch/arm/mach-kirkwood/include/mach/hardware.h

@@ -0,0 +1,14 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/hardware.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.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include "kirkwood.h"
+
+#endif

arch/arm/mach-kirkwood/include/mach/irqs.h

@@ -0,0 +1,65 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/irqs.h
+ *
+ * IRQ definitions for Marvell Kirkwood 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
+
+/*
+ * Low Interrupt Controller
+ */
+#define IRQ_KIRKWOOD_HIGH_SUM	0
+#define IRQ_KIRKWOOD_BRIDGE	1
+#define IRQ_KIRKWOOD_HOST2CPU	2
+#define IRQ_KIRKWOOD_CPU2HOST	3
+#define IRQ_KIRKWOOD_XOR_00	5
+#define IRQ_KIRKWOOD_XOR_01	6
+#define IRQ_KIRKWOOD_XOR_10	7
+#define IRQ_KIRKWOOD_XOR_11	8
+#define IRQ_KIRKWOOD_PCIE	9
+#define IRQ_KIRKWOOD_PCIE1	10
+#define IRQ_KIRKWOOD_GE00_SUM	11
+#define IRQ_KIRKWOOD_GE01_SUM	15
+#define IRQ_KIRKWOOD_USB	19
+#define IRQ_KIRKWOOD_SATA	21
+#define IRQ_KIRKWOOD_CRYPTO	22
+#define IRQ_KIRKWOOD_SPI	23
+#define IRQ_KIRKWOOD_I2S	24
+#define IRQ_KIRKWOOD_TS_0	26
+#define IRQ_KIRKWOOD_SDIO	28
+#define IRQ_KIRKWOOD_TWSI	29
+#define IRQ_KIRKWOOD_AVB	30
+#define IRQ_KIRKWOOD_TDMI	31
+
+/*
+ * High Interrupt Controller
+ */
+#define IRQ_KIRKWOOD_UART_0	33
+#define IRQ_KIRKWOOD_UART_1	34
+#define IRQ_KIRKWOOD_GPIO_LOW_0_7	35
+#define IRQ_KIRKWOOD_GPIO_LOW_8_15	36
+#define IRQ_KIRKWOOD_GPIO_LOW_16_23	37
+#define IRQ_KIRKWOOD_GPIO_LOW_24_31	38
+#define IRQ_KIRKWOOD_GPIO_HIGH_0_7	39
+#define IRQ_KIRKWOOD_GPIO_HIGH_8_15	40
+#define IRQ_KIRKWOOD_GPIO_HIGH_16_23	41
+#define IRQ_KIRKWOOD_GE00_ERR	46
+#define IRQ_KIRKWOOD_GE01_ERR	47
+#define IRQ_KIRKWOOD_RTC        53
+
+/*
+ * KIRKWOOD General Purpose Pins
+ */
+#define IRQ_KIRKWOOD_GPIO_START	64
+#define NR_GPIO_IRQS		50
+
+#define NR_IRQS			(IRQ_KIRKWOOD_GPIO_START + NR_GPIO_IRQS)
+
+
+#endif

arch/arm/mach-kirkwood/include/mach/kirkwood.h

@@ -0,0 +1,142 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/kirkwood.h
+ *
+ * Generic definitions for Marvell Kirkwood SoC flavors:
+ *  88F6180, 88F6192 and 88F6281.
+ *
+ * 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_KIRKWOOD_H
+#define __ASM_ARCH_KIRKWOOD_H
+
+/*
+ * Marvell Kirkwood address maps.
+ *
+ * phys
+ * e0000000	PCIe #0 Memory space
+ * e8000000	PCIe #1 Memory space
+ * f1000000	on-chip peripheral registers
+ * f2000000	PCIe #0 I/O space
+ * f3000000	PCIe #1 I/O space
+ * f4000000	NAND controller address window
+ * f5000000	Security Accelerator SRAM
+ *
+ * virt		phys		size
+ * fed00000	f1000000	1M	on-chip peripheral registers
+ * fee00000	f2000000	1M	PCIe #0 I/O space
+ * fef00000	f3000000	1M	PCIe #1 I/O space
+ */
+
+#define KIRKWOOD_SRAM_PHYS_BASE		0xf5000000
+#define KIRKWOOD_SRAM_SIZE		SZ_2K
+
+#define KIRKWOOD_NAND_MEM_PHYS_BASE	0xf4000000
+#define KIRKWOOD_NAND_MEM_SIZE		SZ_1K
+
+#define KIRKWOOD_PCIE1_IO_PHYS_BASE	0xf3000000
+#define KIRKWOOD_PCIE1_IO_BUS_BASE	0x00010000
+#define KIRKWOOD_PCIE1_IO_SIZE		SZ_64K
+
+#define KIRKWOOD_PCIE_IO_PHYS_BASE	0xf2000000
+#define KIRKWOOD_PCIE_IO_BUS_BASE	0x00000000
+#define KIRKWOOD_PCIE_IO_SIZE		SZ_64K
+
+#define KIRKWOOD_REGS_PHYS_BASE		0xf1000000
+#define KIRKWOOD_REGS_VIRT_BASE		IOMEM(0xfed00000)
+#define KIRKWOOD_REGS_SIZE		SZ_1M
+
+#define KIRKWOOD_PCIE_MEM_PHYS_BASE	0xe0000000
+#define KIRKWOOD_PCIE_MEM_BUS_BASE	0xe0000000
+#define KIRKWOOD_PCIE_MEM_SIZE		SZ_128M
+
+#define KIRKWOOD_PCIE1_MEM_PHYS_BASE	0xe8000000
+#define KIRKWOOD_PCIE1_MEM_BUS_BASE	0xe8000000
+#define KIRKWOOD_PCIE1_MEM_SIZE		SZ_128M
+
+/*
+ * Register Map
+ */
+#define DDR_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE + 0x00000)
+#define DDR_PHYS_BASE           (KIRKWOOD_REGS_PHYS_BASE + 0x00000)
+#define  DDR_WINDOW_CPU_BASE    (DDR_PHYS_BASE + 0x1500)
+#define  DDR_WINDOW_CPU_SZ      (0x20)
+#define DDR_OPERATION_BASE	(DDR_PHYS_BASE + 0x1418)
+
+#define DEV_BUS_PHYS_BASE	(KIRKWOOD_REGS_PHYS_BASE + 0x10000)
+#define DEV_BUS_VIRT_BASE	(KIRKWOOD_REGS_VIRT_BASE + 0x10000)
+#define  SAMPLE_AT_RESET	(DEV_BUS_VIRT_BASE + 0x0030)
+#define  DEVICE_ID		(DEV_BUS_VIRT_BASE + 0x0034)
+#define  GPIO_LOW_VIRT_BASE	(DEV_BUS_VIRT_BASE + 0x0100)
+#define  GPIO_HIGH_VIRT_BASE	(DEV_BUS_VIRT_BASE + 0x0140)
+#define  RTC_PHYS_BASE		(DEV_BUS_PHYS_BASE + 0x0300)
+#define  SPI_PHYS_BASE		(DEV_BUS_PHYS_BASE + 0x0600)
+#define  I2C_PHYS_BASE		(DEV_BUS_PHYS_BASE + 0x1000)
+#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 BRIDGE_VIRT_BASE	(KIRKWOOD_REGS_VIRT_BASE + 0x20000)
+#define BRIDGE_PHYS_BASE	(KIRKWOOD_REGS_PHYS_BASE + 0x20000)
+#define  BRIDGE_WINS_BASE       (BRIDGE_PHYS_BASE)
+#define  BRIDGE_WINS_SZ         (0x80)
+
+#define CRYPTO_PHYS_BASE	(KIRKWOOD_REGS_PHYS_BASE + 0x30000)
+
+#define PCIE_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE + 0x40000)
+#define PCIE_LINK_CTRL		(PCIE_VIRT_BASE + 0x70)
+#define PCIE_STATUS		(PCIE_VIRT_BASE + 0x1a04)
+#define PCIE1_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE + 0x44000)
+#define PCIE1_LINK_CTRL		(PCIE1_VIRT_BASE + 0x70)
+#define PCIE1_STATUS		(PCIE1_VIRT_BASE + 0x1a04)
+
+#define USB_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0x50000)
+
+#define XOR0_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0x60800)
+#define XOR0_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE + 0x60800)
+#define XOR1_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0x60900)
+#define XOR1_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE + 0x60900)
+#define XOR0_HIGH_PHYS_BASE	(KIRKWOOD_REGS_PHYS_BASE + 0x60A00)
+#define XOR0_HIGH_VIRT_BASE	(KIRKWOOD_REGS_VIRT_BASE + 0x60A00)
+#define XOR1_HIGH_PHYS_BASE	(KIRKWOOD_REGS_PHYS_BASE + 0x60B00)
+#define XOR1_HIGH_VIRT_BASE	(KIRKWOOD_REGS_VIRT_BASE + 0x60B00)
+
+#define GE00_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0x70000)
+#define GE01_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0x74000)
+
+#define SATA_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0x80000)
+#define SATA_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE + 0x80000)
+#define SATA0_IF_CTRL		(SATA_VIRT_BASE + 0x2050)
+#define SATA0_PHY_MODE_2	(SATA_VIRT_BASE + 0x2330)
+#define SATA1_IF_CTRL		(SATA_VIRT_BASE + 0x4050)
+#define SATA1_PHY_MODE_2	(SATA_VIRT_BASE + 0x4330)
+
+#define SDIO_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0x90000)
+
+#define AUDIO_PHYS_BASE		(KIRKWOOD_REGS_PHYS_BASE + 0xA0000)
+#define AUDIO_VIRT_BASE		(KIRKWOOD_REGS_VIRT_BASE + 0xA0000)
+
+/*
+ * Supported devices and revisions.
+ */
+#define MV88F6281_DEV_ID	0x6281
+#define MV88F6281_REV_Z0	0
+#define MV88F6281_REV_A0	2
+#define MV88F6281_REV_A1	3
+
+#define MV88F6192_DEV_ID	0x6192
+#define MV88F6192_REV_Z0	0
+#define MV88F6192_REV_A0	2
+#define MV88F6192_REV_A1	3
+
+#define MV88F6180_DEV_ID	0x6180
+#define MV88F6180_REV_A0	2
+#define MV88F6180_REV_A1	3
+
+#define MV88F6282_DEV_ID	0x6282
+#define MV88F6282_REV_A0	0
+#define MV88F6282_REV_A1	1
+#endif

arch/arm/mach-kirkwood/include/mach/timex.h

@@ -0,0 +1,10 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/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)
+

arch/arm/mach-kirkwood/include/mach/uncompress.h

@@ -0,0 +1,46 @@
+/*
+ * arch/arm/mach-kirkwood/include/mach/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 <mach/kirkwood.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()