Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

5 files changed, 265 insertions, 0 deletions

diff --git a/arch/arm/mach-footbridge/include/mach/hardware.h b/arch/arm/mach-footbridge/include/mach/hardware.h
new file mode 100644
index 0000000000..985ad3a956
--- /dev/null
+++ b/arch/arm/mach-footbridge/include/mach/hardware.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  arch/arm/mach-footbridge/include/mach/hardware.h
+ *
+ *  Copyright (C) 1998-1999 Russell King.
+ *
+ *  This file contains the hardware definitions of the EBSA-285.
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+/*   Virtual      Physical	Size
+ * 0xff800000	0x40000000	1MB	X-Bus
+ * 0xff000000	0x7c000000	1MB	PCI I/O space
+ * 0xfe000000	0x42000000	1MB	CSR
+ * 0xfd000000	0x78000000	1MB	Outbound write flush (not supported)
+ * 0xfc000000	0x79000000	1MB	PCI IACK/special space
+ * 0xfb000000	0x7a000000	16MB	PCI Config type 1
+ * 0xfa000000	0x7b000000	16MB	PCI Config type 0
+ * 0xf9000000	0x50000000	1MB	Cache flush
+ * 0xf0000000	0x80000000	16MB	ISA memory
+ */
+
+#define XBUS_SIZE		0x00100000
+#define XBUS_BASE		0xff800000
+
+#define ARMCSR_SIZE		0x00100000
+#define ARMCSR_BASE		0xfe000000
+
+#define WFLUSH_SIZE		0x00100000
+#define WFLUSH_BASE		0xfd000000
+
+#define PCIIACK_SIZE		0x00100000
+#define PCIIACK_BASE		0xfc000000
+
+#define PCICFG1_SIZE		0x01000000
+#define PCICFG1_BASE		0xfb000000
+
+#define PCICFG0_SIZE		0x01000000
+#define PCICFG0_BASE		0xfa000000
+
+#define PCIMEM_SIZE		0x01000000
+#define PCIMEM_BASE		0xf0000000
+
+#define XBUS_CS2		0x40012000
+
+#define XBUS_SWITCH		((volatile unsigned char *)(XBUS_BASE + 0x12000))
+#define XBUS_SWITCH_SWITCH	((*XBUS_SWITCH) & 15)
+#define XBUS_SWITCH_J17_13	((*XBUS_SWITCH) & (1 << 4))
+#define XBUS_SWITCH_J17_11	((*XBUS_SWITCH) & (1 << 5))
+#define XBUS_SWITCH_J17_9	((*XBUS_SWITCH) & (1 << 6))
+
+#define UNCACHEABLE_ADDR	(ARMCSR_BASE + 0x108)	/* CSR_ROMBASEMASK */
+
+
+/* PIC irq control */
+#define PIC_LO			0x20
+#define PIC_MASK_LO		0x21
+#define PIC_HI			0xA0
+#define PIC_MASK_HI		0xA1
+
+/* GPIO pins */
+#define GPIO_CCLK		0x800
+#define GPIO_DSCLK		0x400
+#define GPIO_E2CLK		0x200
+#define GPIO_IOLOAD		0x100
+#define GPIO_RED_LED		0x080
+#define GPIO_WDTIMER		0x040
+#define GPIO_DATA		0x020
+#define GPIO_IOCLK		0x010
+#define GPIO_DONE		0x008
+#define GPIO_FAN		0x004
+#define GPIO_GREEN_LED		0x002
+#define GPIO_RESET		0x001
+
+/* CPLD pins */
+#define CPLD_DS_ENABLE		8
+#define CPLD_7111_DISABLE	4
+#define CPLD_UNMUTE		2
+#define CPLD_FLASH_WR_ENABLE	1
+
+#ifndef __ASSEMBLY__
+extern raw_spinlock_t nw_gpio_lock;
+extern void nw_gpio_modify_op(unsigned int mask, unsigned int set);
+extern void nw_gpio_modify_io(unsigned int mask, unsigned int in);
+extern unsigned int nw_gpio_read(void);
+extern void nw_cpld_modify(unsigned int mask, unsigned int set);
+#endif
+
+#endif
diff --git a/arch/arm/mach-footbridge/include/mach/irqs.h b/arch/arm/mach-footbridge/include/mach/irqs.h
new file mode 100644
index 0000000000..a5f41846ab
--- /dev/null
+++ b/arch/arm/mach-footbridge/include/mach/irqs.h
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * arch/arm/mach-footbridge/include/mach/irqs.h
+ *
+ * Copyright (C) 1998 Russell King
+ * Copyright (C) 1998 Phil Blundell
+ *
+ * Changelog:
+ *  20-Jan-1998	RMK	Started merge of EBSA286, CATS and NetWinder
+ *  01-Feb-1999	PJB	ISA IRQs start at 0 not 16
+ */
+#include <asm/mach-types.h>
+
+#define NR_IRQS			36
+#define NR_DC21285_IRQS		16
+
+#define _ISA_IRQ(x)		(0 + (x))
+#define _ISA_INR(x)		((x) - 0)
+#define _DC21285_IRQ(x)		(16 + (x))
+#define _DC21285_INR(x)		((x) - 16)
+
+/*
+ * This is a list of all interrupts that the 21285
+ * can generate and we handle.
+ */
+#define IRQ_CONRX		_DC21285_IRQ(0)
+#define IRQ_CONTX		_DC21285_IRQ(1)
+#define IRQ_TIMER1		_DC21285_IRQ(2)
+#define IRQ_TIMER2		_DC21285_IRQ(3)
+#define IRQ_TIMER3		_DC21285_IRQ(4)
+#define IRQ_IN0			_DC21285_IRQ(5)
+#define IRQ_IN1			_DC21285_IRQ(6)
+#define IRQ_IN2			_DC21285_IRQ(7)
+#define IRQ_IN3			_DC21285_IRQ(8)
+#define IRQ_DOORBELLHOST	_DC21285_IRQ(9)
+#define IRQ_DMA1		_DC21285_IRQ(10)
+#define IRQ_DMA2		_DC21285_IRQ(11)
+#define IRQ_PCI			_DC21285_IRQ(12)
+#define IRQ_SDRAMPARITY		_DC21285_IRQ(13)
+#define IRQ_I2OINPOST		_DC21285_IRQ(14)
+#define IRQ_PCI_ABORT		_DC21285_IRQ(15)
+#define IRQ_PCI_SERR		_DC21285_IRQ(16)
+#define IRQ_DISCARD_TIMER	_DC21285_IRQ(17)
+#define IRQ_PCI_DPERR		_DC21285_IRQ(18)
+#define IRQ_PCI_PERR		_DC21285_IRQ(19)
+
+#define IRQ_ISA_TIMER		_ISA_IRQ(0)
+#define IRQ_ISA_KEYBOARD	_ISA_IRQ(1)
+#define IRQ_ISA_CASCADE		_ISA_IRQ(2)
+#define IRQ_ISA_UART2		_ISA_IRQ(3)
+#define IRQ_ISA_UART		_ISA_IRQ(4)
+#define IRQ_ISA_FLOPPY		_ISA_IRQ(6)
+#define IRQ_ISA_PRINTER		_ISA_IRQ(7)
+#define IRQ_ISA_RTC_ALARM	_ISA_IRQ(8)
+#define IRQ_ISA_2		_ISA_IRQ(9)
+#define IRQ_ISA_PS2MOUSE	_ISA_IRQ(12)
+#define IRQ_ISA_HARDDISK1	_ISA_IRQ(14)
+#define IRQ_ISA_HARDDISK2	_ISA_IRQ(15)
+
+#define IRQ_MASK_UART_RX	(1 << 2)
+#define IRQ_MASK_UART_TX	(1 << 3)
+#define IRQ_MASK_TIMER1		(1 << 4)
+#define IRQ_MASK_TIMER2		(1 << 5)
+#define IRQ_MASK_TIMER3		(1 << 6)
+#define IRQ_MASK_IN0		(1 << 8)
+#define IRQ_MASK_IN1		(1 << 9)
+#define IRQ_MASK_IN2		(1 << 10)
+#define IRQ_MASK_IN3		(1 << 11)
+#define IRQ_MASK_DOORBELLHOST	(1 << 15)
+#define IRQ_MASK_DMA1		(1 << 16)
+#define IRQ_MASK_DMA2		(1 << 17)
+#define IRQ_MASK_PCI		(1 << 18)
+#define IRQ_MASK_SDRAMPARITY	(1 << 24)
+#define IRQ_MASK_I2OINPOST	(1 << 25)
+#define IRQ_MASK_PCI_ABORT	((1 << 29) | (1 << 30))
+#define IRQ_MASK_PCI_SERR	(1 << 23)
+#define IRQ_MASK_DISCARD_TIMER	(1 << 27)
+#define IRQ_MASK_PCI_DPERR	(1 << 28)
+#define IRQ_MASK_PCI_PERR	(1 << 31)
+
+/*
+ * Netwinder interrupt allocations
+ */
+#define IRQ_NETWINDER_ETHER10	IRQ_IN0
+#define IRQ_NETWINDER_ETHER100	IRQ_IN1
+#define IRQ_NETWINDER_VIDCOMP	IRQ_IN2
+#define IRQ_NETWINDER_PS2MOUSE	_ISA_IRQ(5)
+#define IRQ_NETWINDER_IR	_ISA_IRQ(6)
+#define IRQ_NETWINDER_BUTTON	_ISA_IRQ(10)
+#define IRQ_NETWINDER_VGA	_ISA_IRQ(11)
+#define IRQ_NETWINDER_SOUND	_ISA_IRQ(12)
+
+#define I8042_KBD_IRQ	IRQ_ISA_KEYBOARD
+#define I8042_AUX_IRQ	(machine_is_netwinder() ? IRQ_NETWINDER_PS2MOUSE : IRQ_ISA_PS2MOUSE)
+#define IRQ_FLOPPYDISK	IRQ_ISA_FLOPPY
+
+#define irq_canonicalize(_i)	(((_i) == IRQ_ISA_CASCADE) ? IRQ_ISA_2 : _i)
diff --git a/arch/arm/mach-footbridge/include/mach/isa-dma.h b/arch/arm/mach-footbridge/include/mach/isa-dma.h
new file mode 100644
index 0000000000..b10731a1f6
--- /dev/null
+++ b/arch/arm/mach-footbridge/include/mach/isa-dma.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *  arch/arm/mach-footbridge/include/mach/isa-dma.h
+ *
+ *  Architecture DMA routines
+ *
+ *  Copyright (C) 1998,1999 Russell King
+ *  Copyright (C) 1998,1999 Philip Blundell
+ */
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+#define MAX_DMA_CHANNELS	8
+
+#define DMA_FLOPPY		(2)
+#define DMA_ISA_CASCADE		(4)
+
+#endif /* _ASM_ARCH_DMA_H */
diff --git a/arch/arm/mach-footbridge/include/mach/memory.h b/arch/arm/mach-footbridge/include/mach/memory.h
new file mode 100644
index 0000000000..9516877667
--- /dev/null
+++ b/arch/arm/mach-footbridge/include/mach/memory.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  arch/arm/mach-footbridge/include/mach/memory.h
+ *
+ *  Copyright (C) 1996-1999 Russell King.
+ *
+ *  Changelog:
+ *   20-Oct-1996 RMK	Created
+ *   31-Dec-1997 RMK	Fixed definitions to reduce warnings.
+ *   17-May-1998 DAG	Added __virt_to_bus and __bus_to_virt functions.
+ *   21-Nov-1998 RMK	Changed __virt_to_bus and __bus_to_virt to macros.
+ *   21-Mar-1999 RMK	Added PAGE_OFFSET for co285 architecture.
+ *			Renamed to memory.h
+ *			Moved PAGE_OFFSET and TASK_SIZE here
+ */
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Cache flushing area.
+ */
+#define FLUSH_BASE		0xf9000000
+
+#define FLUSH_BASE_PHYS		0x50000000
+
+#endif
diff --git a/arch/arm/mach-footbridge/include/mach/uncompress.h b/arch/arm/mach-footbridge/include/mach/uncompress.h
new file mode 100644
index 0000000000..28b577e29d
--- /dev/null
+++ b/arch/arm/mach-footbridge/include/mach/uncompress.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ *  arch/arm/mach-footbridge/include/mach/uncompress.h
+ *
+ *  Copyright (C) 1996-1999 Russell King
+ */
+#include <asm/mach-types.h>
+
+/*
+ * Note! This could cause problems on the NetWinder
+ */
+#define DC21285_BASE ((volatile unsigned int *)0x42000160)
+#define SER0_BASE    ((volatile unsigned char *)0x7c0003f8)
+
+static inline void putc(char c)
+{
+	if (machine_is_netwinder()) {
+		while ((SER0_BASE[5] & 0x60) != 0x60)
+			barrier();
+		SER0_BASE[0] = c;
+	} else {
+		while (DC21285_BASE[6] & 8);
+		DC21285_BASE[0] = c;
+	}
+}
+
+static inline void flush(void)
+{
+}
+
+/*
+ * nothing to do
+ */
+#define arch_decomp_setup()