diff options
Diffstat (limited to 'include/asm-arm/arch-ixp4xx')
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/coyote.h | 36 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/debug-macro.S | 34 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/dma.h | 26 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/entry-macro.S | 39 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/gtwx5715.h | 120 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/hardware.h | 48 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/io.h | 388 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/irq.h | 13 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/irqs.h | 96 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/ixdp425.h | 38 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/ixp4xx-regs.h | 591 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/memory.h | 61 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/param.h | 3 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/platform.h | 126 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/prpmc1100.h | 33 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/system.h | 42 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/timex.h | 13 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/uncompress.h | 64 | ||||
| -rw-r--r-- | include/asm-arm/arch-ixp4xx/vmalloc.h | 17 |
19 files changed, 1788 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ixp4xx/coyote.h b/include/asm-arm/arch-ixp4xx/coyote.h new file mode 100644 index 00000000000..dd0c2d2d850 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/coyote.h @@ -0,0 +1,36 @@ +/* + * include/asm-arm/arch-ixp4xx/coyote.h + * + * ADI Engineering platform specific definitions + * + * Author: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright 2004 (c) MontaVista, Software, Inc. + * + * 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__ +#error "Do not include this directly, instead #include <asm/hardware.h>" +#endif + +#define COYOTE_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS +#define COYOTE_FLASH_SIZE IXP4XX_EXP_BUS_CSX_REGION_SIZE * 2 + +/* PCI controller GPIO to IRQ pin mappings */ +#define COYOTE_PCI_SLOT0_PIN 6 +#define COYOTE_PCI_SLOT1_PIN 11 + +#define COYOTE_PCI_SLOT0_DEVID 14 +#define COYOTE_PCI_SLOT1_DEVID 15 + +#define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_CS3_BASE_PHYS +#define COYOTE_IDE_BASE_VIRT 0xFFFE1000 +#define COYOTE_IDE_REGION_SIZE 0x1000 + +#define COYOTE_IDE_DATA_PORT 0xFFFE10E0 +#define COYOTE_IDE_CTRL_PORT 0xFFFE10FC +#define COYOTE_IDE_ERROR_PORT 0xFFFE10E2 + diff --git a/include/asm-arm/arch-ixp4xx/debug-macro.S b/include/asm-arm/arch-ixp4xx/debug-macro.S new file mode 100644 index 00000000000..4499ae8e4b4 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/debug-macro.S @@ -0,0 +1,34 @@ +/* linux/include/asm-arm/arch-ixp4xx/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * 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. +*/ + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0xc8000000 + movne \rx, #0xff000000 + add \rx,\rx,#3 @ Uart regs are at off set of 3 if + @ byte writes used - Big Endian. + .endm + + .macro senduart,rd,rx + strb \rd, [\rx] + .endm + + .macro waituart,rd,rx +1002: ldrb \rd, [\rx, #0x14] + and \rd, \rd, #0x60 @ check THRE and TEMT bits + teq \rd, #0x60 + bne 1002b + .endm + + .macro busyuart,rd,rx + .endm diff --git a/include/asm-arm/arch-ixp4xx/dma.h b/include/asm-arm/arch-ixp4xx/dma.h new file mode 100644 index 00000000000..312065dc0e7 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/dma.h @@ -0,0 +1,26 @@ +/* + * include/asm-arm/arch-ixp4xx/dma.h + * + * Copyright (C) 2001-2004 MontaVista Software, Inc. + * + * 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_DMA_H +#define __ASM_ARCH_DMA_H + +#include <linux/config.h> +#include <linux/device.h> +#include <linux/pci.h> +#include <asm/page.h> +#include <asm/sizes.h> +#include <asm/hardware.h> + +#define MAX_DMA_ADDRESS (PAGE_OFFSET + SZ_64M) + +/* No DMA */ +#define MAX_DMA_CHANNELS 0 + +#endif /* _ASM_ARCH_DMA_H */ diff --git a/include/asm-arm/arch-ixp4xx/entry-macro.S b/include/asm-arm/arch-ixp4xx/entry-macro.S new file mode 100644 index 00000000000..455da64832d --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/entry-macro.S @@ -0,0 +1,39 @@ +/* + * include/asm-arm/arch-ixp4xx/entry-macro.S + * + * Low-level IRQ helper macros for IXP4xx-based 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. + */ + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP_OFFSET) + ldr \irqstat, [\irqstat] @ get interrupts + cmp \irqstat, #0 + beq 1001f + clz \irqnr, \irqstat + mov \base, #31 + subs \irqnr, \base, \irqnr + +1001: + /* + * IXP465 has an upper IRQ status register + */ +#if defined(CONFIG_CPU_IXP46X) + bne 1002f + ldr \irqstat, =(IXP4XX_INTC_BASE_VIRT+IXP4XX_ICIP2_OFFSET) + ldr \irqstat, [\irqstat] @ get upper interrupts + mov \irqnr, #63 + clz \irqstat, \irqstat + cmp \irqstat, #32 + subne \irqnr, \irqnr, \irqstat +1002: +#endif + .endm + + diff --git a/include/asm-arm/arch-ixp4xx/gtwx5715.h b/include/asm-arm/arch-ixp4xx/gtwx5715.h new file mode 100644 index 00000000000..fc460af7062 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/gtwx5715.h @@ -0,0 +1,120 @@ +/* + * include/asm-arm/arch-ixp4xx/gtwx5715.h + * + * Gemtek GTWX5715 Gateway (Linksys WRV54G) + * + * Copyright 2004 (c) George T. Joseph + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __ASM_ARCH_HARDWARE_H__ +#error "Do not include this directly, instead #include <asm/hardware.h>" +#endif +#include "irqs.h" + +#define GTWX5715_GPIO0 0 +#define GTWX5715_GPIO1 1 +#define GTWX5715_GPIO2 2 +#define GTWX5715_GPIO3 3 +#define GTWX5715_GPIO4 4 +#define GTWX5715_GPIO5 5 +#define GTWX5715_GPIO6 6 +#define GTWX5715_GPIO7 7 +#define GTWX5715_GPIO8 8 +#define GTWX5715_GPIO9 9 +#define GTWX5715_GPIO10 10 +#define GTWX5715_GPIO11 11 +#define GTWX5715_GPIO12 12 +#define GTWX5715_GPIO13 13 +#define GTWX5715_GPIO14 14 + +#define GTWX5715_GPIO0_IRQ IRQ_IXP4XX_GPIO0 +#define GTWX5715_GPIO1_IRQ IRQ_IXP4XX_GPIO1 +#define GTWX5715_GPIO2_IRQ IRQ_IXP4XX_GPIO2 +#define GTWX5715_GPIO3_IRQ IRQ_IXP4XX_GPIO3 +#define GTWX5715_GPIO4_IRQ IRQ_IXP4XX_GPIO4 +#define GTWX5715_GPIO5_IRQ IRQ_IXP4XX_GPIO5 +#define GTWX5715_GPIO6_IRQ IRQ_IXP4XX_GPIO6 +#define GTWX5715_GPIO7_IRQ IRQ_IXP4XX_GPIO7 +#define GTWX5715_GPIO8_IRQ IRQ_IXP4XX_GPIO8 +#define GTWX5715_GPIO9_IRQ IRQ_IXP4XX_GPIO9 +#define GTWX5715_GPIO10_IRQ IRQ_IXP4XX_GPIO10 +#define GTWX5715_GPIO11_IRQ IRQ_IXP4XX_GPIO11 +#define GTWX5715_GPIO12_IRQ IRQ_IXP4XX_GPIO12 +#define GTWX5715_GPIO13_IRQ IRQ_IXP4XX_SW_INT1 +#define GTWX5715_GPIO14_IRQ IRQ_IXP4XX_SW_INT2 + + +#define GTWX5715_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS +#define GTWX5715_FLASH_SIZE (0x00800000) + +/* PCI controller GPIO to IRQ pin mappings + + INTA INTB +SLOT 0 10 11 +SLOT 1 11 10 + +*/ + +#define GTWX5715_PCI_SLOT0_DEVID 0 +#define GTWX5715_PCI_SLOT0_INTA_GPIO GTWX5715_GPIO10 +#define GTWX5715_PCI_SLOT0_INTB_GPIO GTWX5715_GPIO11 +#define GTWX5715_PCI_SLOT0_INTA_IRQ GTWX5715_GPIO10_IRQ +#define GTWX5715_PCI_SLOT0_INTB_IRQ GTWX5715_GPIO11_IRQ + +#define GTWX5715_PCI_SLOT1_DEVID 1 +#define GTWX5715_PCI_SLOT1_INTA_GPIO GTWX5715_GPIO11 +#define GTWX5715_PCI_SLOT1_INTB_GPIO GTWX5715_GPIO10 +#define GTWX5715_PCI_SLOT1_INTA_IRQ GTWX5715_GPIO11_IRQ +#define GTWX5715_PCI_SLOT1_INTB_IRQ GTWX5715_GPIO10_IRQ + +#define GTWX5715_PCI_SLOT_COUNT 2 +#define GTWX5715_PCI_INT_PIN_COUNT 2 + +/* + * GPIO 5,6,7 and12 are hard wired to the Kendin KS8995M Switch + * and operate as an SPI type interface. The details of the interface + * are available on Kendin/Micrel's web site. + */ + +#define GTWX5715_KSSPI_SELECT GTWX5715_GPIO5 +#define GTWX5715_KSSPI_TXD GTWX5715_GPIO6 +#define GTWX5715_KSSPI_CLOCK GTWX5715_GPIO7 +#define GTWX5715_KSSPI_RXD GTWX5715_GPIO12 + +/* + * The "reset" button is wired to GPIO 3. + * The GPIO is brought "low" when the button is pushed. + */ + +#define GTWX5715_BUTTON_GPIO GTWX5715_GPIO3 +#define GTWX5715_BUTTON_IRQ GTWX5715_GPIO3_IRQ + +/* + * Board Label Front Label + * LED1 Power + * LED2 Wireless-G + * LED3 not populated but could be + * LED4 Internet + * LED5 - LED8 Controlled by KS8995M Switch + * LED9 DMZ + */ + +#define GTWX5715_LED1_GPIO GTWX5715_GPIO2 +#define GTWX5715_LED2_GPIO GTWX5715_GPIO9 +#define GTWX5715_LED3_GPIO GTWX5715_GPIO8 +#define GTWX5715_LED4_GPIO GTWX5715_GPIO1 +#define GTWX5715_LED9_GPIO GTWX5715_GPIO4 diff --git a/include/asm-arm/arch-ixp4xx/hardware.h b/include/asm-arm/arch-ixp4xx/hardware.h new file mode 100644 index 00000000000..4ac964b9078 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/hardware.h @@ -0,0 +1,48 @@ +/* + * include/asm-arm/arch-ixp4xx/hardware.h + * + * Copyright (C) 2002 Intel Corporation. + * Copyright (C) 2003-2004 MontaVista Software, Inc. + * + * 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. + * + */ + +/* + * Hardware definitions for IXP4xx based systems + */ + +#ifndef __ASM_ARCH_HARDWARE_H__ +#define __ASM_ARCH_HARDWARE_H__ + +#define PCIBIOS_MIN_IO 0x00001000 +#define PCIBIOS_MIN_MEM 0x48000000 + +/* + * We override the standard dma-mask routines for bouncing. + */ +#define HAVE_ARCH_PCI_SET_DMA_MASK + +#define pcibios_assign_all_busses() 1 + +#if defined(CONFIG_CPU_IXP465) && !defined(__ASSEMBLY__) +extern unsigned int processor_id; +#define cpu_is_ixp465() ((processor_id & 0xffffffc0) == 0x69054200) +#else +#define cpu_is_ixp465() (0) +#endif + +/* Register locations and bits */ +#include "ixp4xx-regs.h" + +/* Platform helper functions and definitions */ +#include "platform.h" + +/* Platform specific details */ +#include "ixdp425.h" +#include "coyote.h" +#include "prpmc1100.h" + +#endif /* _ASM_ARCH_HARDWARE_H */ diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h new file mode 100644 index 00000000000..c27b9d3079a --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/io.h @@ -0,0 +1,388 @@ +/* + * linux/include/asm-arm/arch-ixp4xx/io.h + * + * Author: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright (C) 2002-2004 MontaVista Software, Inc. + * + * 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_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#include <asm/hardware.h> + +#define IO_SPACE_LIMIT 0xffff0000 + +#define BIT(x) ((1)<<(x)) + + +extern int (*ixp4xx_pci_read)(u32 addr, u32 cmd, u32* data); +extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data); + + +/* + * IXP4xx provides two methods of accessing PCI memory space: + * + * 1) A direct mapped window from 0x48000000 to 0x4bffffff (64MB). + * To access PCI via this space, we simply ioremap() the BAR + * into the kernel and we can use the standard read[bwl]/write[bwl] + * macros. This is the preffered method due to speed but it + * limits the system to just 64MB of PCI memory. This can be + * problamatic if using video cards and other memory-heavy + * targets. + * + * 2) If > 64MB of memory space is required, the IXP4xx can be configured + * to use indirect registers to access PCI (as we do below for I/O + * transactions). This allows for up to 128MB (0x48000000 to 0x4fffffff) + * of memory on the bus. The disadvantadge of this is that every + * PCI access requires three local register accesses plus a spinlock, + * but in some cases the performance hit is acceptable. In addition, + * you cannot mmap() PCI devices in this case. + * + */ +#ifndef CONFIG_IXP4XX_INDIRECT_PCI + +#define __mem_pci(a) (a) + +#else + +#include <linux/mm.h> + +/* + * In the case of using indirect PCI, we simply return the actual PCI + * address and our read/write implementation use that to drive the + * access registers. If something outside of PCI is ioremap'd, we + * fallback to the default. + */ +static inline void __iomem * +__ixp4xx_ioremap(unsigned long addr, size_t size, unsigned long flags, unsigned long align) +{ + extern void __iomem * __ioremap(unsigned long, size_t, unsigned long, unsigned long); + if((addr < 0x48000000) || (addr > 0x4fffffff)) + return __ioremap(addr, size, flags, align); + + return (void *)addr; +} + +static inline void +__ixp4xx_iounmap(void __iomem *addr) +{ + extern void __iounmap(void __iomem *addr); + + if ((u32)addr >= VMALLOC_START) + __iounmap(addr); +} + +#define __arch_ioremap(a, s, f, x) __ixp4xx_ioremap(a, s, f, x) +#define __arch_iounmap(a) __ixp4xx_iounmap(a) + +#define writeb(p, v) __ixp4xx_writeb(p, v) +#define writew(p, v) __ixp4xx_writew(p, v) +#define writel(p, v) __ixp4xx_writel(p, v) + +#define writesb(p, v, l) __ixp4xx_writesb(p, v, l) +#define writesw(p, v, l) __ixp4xx_writesw(p, v, l) +#define writesl(p, v, l) __ixp4xx_writesl(p, v, l) + +#define readb(p) __ixp4xx_readb(p) +#define readw(p) __ixp4xx_readw(p) +#define readl(p) __ixp4xx_readl(p) + +#define readsb(p, v, l) __ixp4xx_readsb(p, v, l) +#define readsw(p, v, l) __ixp4xx_readsw(p, v, l) +#define readsl(p, v, l) __ixp4xx_readsl(p, v, l) + +static inline void +__ixp4xx_writeb(u8 value, u32 addr) +{ + u32 n, byte_enables, data; + + if (addr >= VMALLOC_START) { + __raw_writeb(value, addr); + return; + } + + n = addr % 4; + byte_enables = (0xf & ~BIT(n)) << IXP4XX_PCI_NP_CBE_BESL; + data = value << (8*n); + ixp4xx_pci_write(addr, byte_enables | NP_CMD_MEMWRITE, data); +} + +static inline void +__ixp4xx_writesb(u32 bus_addr, u8 *vaddr, int count) +{ + while (count--) + writeb(*vaddr++, bus_addr); +} + +static inline void +__ixp4xx_writew(u16 value, u32 addr) +{ + u32 n, byte_enables, data; + + if (addr >= VMALLOC_START) { + __raw_writew(value, addr); + return; + } + + n = addr % 4; + byte_enables = (0xf & ~(BIT(n) | BIT(n+1))) << IXP4XX_PCI_NP_CBE_BESL; + data = value << (8*n); + ixp4xx_pci_write(addr, byte_enables | NP_CMD_MEMWRITE, data); +} + +static inline void +__ixp4xx_writesw(u32 bus_addr, u16 *vaddr, int count) +{ + while (count--) + writew(*vaddr++, bus_addr); +} + +static inline void +__ixp4xx_writel(u32 value, u32 addr) +{ + if (addr >= VMALLOC_START) { + __raw_writel(value, addr); + return; + } + + ixp4xx_pci_write(addr, NP_CMD_MEMWRITE, value); +} + +static inline void +__ixp4xx_writesl(u32 bus_addr, u32 *vaddr, int count) +{ + while (count--) + writel(*vaddr++, bus_addr); +} + +static inline unsigned char +__ixp4xx_readb(u32 addr) +{ + u32 n, byte_enables, data; + + if (addr >= VMALLOC_START) + return __raw_readb(addr); + + n = addr % 4; + byte_enables = (0xf & ~BIT(n)) << IXP4XX_PCI_NP_CBE_BESL; + if (ixp4xx_pci_read(addr, byte_enables | NP_CMD_MEMREAD, &data)) + return 0xff; + + return data >> (8*n); +} + +static inline void +__ixp4xx_readsb(u32 bus_addr, u8 *vaddr, u32 count) +{ + while (count--) + *vaddr++ = readb(bus_addr); +} + +static inline unsigned short +__ixp4xx_readw(u32 addr) +{ + u32 n, byte_enables, data; + + if (addr >= VMALLOC_START) + return __raw_readw(addr); + + n = addr % 4; + byte_enables = (0xf & ~(BIT(n) | BIT(n+1))) << IXP4XX_PCI_NP_CBE_BESL; + if (ixp4xx_pci_read(addr, byte_enables | NP_CMD_MEMREAD, &data)) + return 0xffff; + + return data>>(8*n); +} + +static inline void +__ixp4xx_readsw(u32 bus_addr, u16 *vaddr, u32 count) +{ + while (count--) + *vaddr++ = readw(bus_addr); +} + +static inline unsigned long +__ixp4xx_readl(u32 addr) +{ + u32 data; + + if (addr >= VMALLOC_START) + return __raw_readl(addr); + + if (ixp4xx_pci_read(addr, NP_CMD_MEMREAD, &data)) + return 0xffffffff; + + return data; +} + +static inline void +__ixp4xx_readsl(u32 bus_addr, u32 *vaddr, u32 count) +{ + while (count--) + *vaddr++ = readl(bus_addr); +} + + +/* + * We can use the built-in functions b/c they end up calling writeb/readb + */ +#define memset_io(c,v,l) _memset_io((c),(v),(l)) +#define memcpy_fromio(a,c,l) _memcpy_fromio((a),(c),(l)) +#define memcpy_toio(c,a,l) _memcpy_toio((c),(a),(l)) + +#define eth_io_copy_and_sum(s,c,l,b) \ + eth_copy_and_sum((s),__mem_pci(c),(l),(b)) + +static inline int +check_signature(unsigned long bus_addr, const unsigned char *signature, + int length) +{ + int retval = 0; + do { + if (readb(bus_addr) != *signature) + goto out; + bus_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + +#endif + +/* + * IXP4xx does not have a transparent cpu -> PCI I/O translation + * window. Instead, it has a set of registers that must be tweaked + * with the proper byte lanes, command types, and address for the + * transaction. This means that we need to override the default + * I/O functions. + */ +#define outb(p, v) __ixp4xx_outb(p, v) +#define outw(p, v) __ixp4xx_outw(p, v) +#define outl(p, v) __ixp4xx_outl(p, v) + +#define outsb(p, v, l) __ixp4xx_outsb(p, v, l) +#define outsw(p, v, l) __ixp4xx_outsw(p, v, l) +#define outsl(p, v, l) __ixp4xx_outsl(p, v, l) + +#define inb(p) __ixp4xx_inb(p) +#define inw(p) __ixp4xx_inw(p) +#define inl(p) __ixp4xx_inl(p) + +#define insb(p, v, l) __ixp4xx_insb(p, v, l) +#define insw(p, v, l) __ixp4xx_insw(p, v, l) +#define insl(p, v, l) __ixp4xx_insl(p, v, l) + + +static inline void +__ixp4xx_outb(u8 value, u32 addr) +{ + u32 n, byte_enables, data; + n = addr % 4; + byte_enables = (0xf & ~BIT(n)) << IXP4XX_PCI_NP_CBE_BESL; + data = value << (8*n); + ixp4xx_pci_write(addr, byte_enables | NP_CMD_IOWRITE, data); +} + +static inline void +__ixp4xx_outsb(u32 io_addr, const u8 *vaddr, u32 count) +{ + while (count--) + outb(*vaddr++, io_addr); +} + +static inline void +__ixp4xx_outw(u16 value, u32 addr) +{ + u32 n, byte_enables, data; + n = addr % 4; + byte_enables = (0xf & ~(BIT(n) | BIT(n+1))) << IXP4XX_PCI_NP_CBE_BESL; + data = value << (8*n); + ixp4xx_pci_write(addr, byte_enables | NP_CMD_IOWRITE, data); +} + +static inline void +__ixp4xx_outsw(u32 io_addr, const u16 *vaddr, u32 count) +{ + while (count--) + outw(cpu_to_le16(*vaddr++), io_addr); +} + +static inline void +__ixp4xx_outl(u32 value, u32 addr) +{ + ixp4xx_pci_write(addr, NP_CMD_IOWRITE, value); +} + +static inline void +__ixp4xx_outsl(u32 io_addr, const u32 *vaddr, u32 count) +{ + while (count--) + outl(*vaddr++, io_addr); +} + +static inline u8 +__ixp4xx_inb(u32 addr) +{ + u32 n, byte_enables, data; + n = addr % 4; + byte_enables = (0xf & ~BIT(n)) << IXP4XX_PCI_NP_CBE_BESL; + if (ixp4xx_pci_read(addr, byte_enables | NP_CMD_IOREAD, &data)) + return 0xff; + + return data >> (8*n); +} + +static inline void +__ixp4xx_insb(u32 io_addr, u8 *vaddr, u32 count) +{ + while (count--) + *vaddr++ = inb(io_addr); +} + +static inline u16 +__ixp4xx_inw(u32 addr) +{ + u32 n, byte_enables, data; + n = addr % 4; + byte_enables = (0xf & ~(BIT(n) | BIT(n+1))) << IXP4XX_PCI_NP_CBE_BESL; + if (ixp4xx_pci_read(addr, byte_enables | NP_CMD_IOREAD, &data)) + return 0xffff; + + return data>>(8*n); +} + +static inline void +__ixp4xx_insw(u32 io_addr, u16 *vaddr, u32 count) +{ + while (count--) + *vaddr++ = le16_to_cpu(inw(io_addr)); +} + +static inline u32 +__ixp4xx_inl(u32 addr) +{ + u32 data; + if (ixp4xx_pci_read(addr, NP_CMD_IOREAD, &data)) + return 0xffffffff; + + return data; +} + +static inline void +__ixp4xx_insl(u32 io_addr, u32 *vaddr, u32 count) +{ + while (count--) + *vaddr++ = inl(io_addr); +} + + +#endif // __ASM_ARM_ARCH_IO_H + diff --git a/include/asm-arm/arch-ixp4xx/irq.h b/include/asm-arm/arch-ixp4xx/irq.h new file mode 100644 index 00000000000..87da70695f0 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/irq.h @@ -0,0 +1,13 @@ +/* + * irq.h + * + * Copyright (C) 2002 Intel Corporation. + * + * 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 fixup_irq(irq) (irq) + diff --git a/include/asm-arm/arch-ixp4xx/irqs.h b/include/asm-arm/arch-ixp4xx/irqs.h new file mode 100644 index 00000000000..ca808281c7f --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/irqs.h @@ -0,0 +1,96 @@ +/* + * include/asm-arm/arch-ixp4xx/irqs.h + * + * IRQ definitions for IXP4XX based systems + * + * Copyright (C) 2002 Intel Corporation. + * Copyright (C) 2003 MontaVista Software, Inc. + * + * 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 _ARCH_IXP4XX_IRQS_H_ +#define _ARCH_IXP4XX_IRQS_H_ + + +#define IRQ_IXP4XX_NPEA 0 +#define IRQ_IXP4XX_NPEB 1 +#define IRQ_IXP4XX_NPEC 2 +#define IRQ_IXP4XX_QM1 3 +#define IRQ_IXP4XX_QM2 4 +#define IRQ_IXP4XX_TIMER1 5 +#define IRQ_IXP4XX_GPIO0 6 +#define IRQ_IXP4XX_GPIO1 7 +#define IRQ_IXP4XX_PCI_INT 8 +#define IRQ_IXP4XX_PCI_DMA1 9 +#define IRQ_IXP4XX_PCI_DMA2 10 +#define IRQ_IXP4XX_TIMER2 11 +#define IRQ_IXP4XX_USB 12 +#define IRQ_IXP4XX_UART2 13 +#define IRQ_IXP4XX_TIMESTAMP 14 +#define IRQ_IXP4XX_UART1 15 +#define IRQ_IXP4XX_WDOG 16 +#define IRQ_IXP4XX_AHB_PMU 17 +#define IRQ_IXP4XX_XSCALE_PMU 18 +#define IRQ_IXP4XX_GPIO2 19 +#define IRQ_IXP4XX_GPIO3 20 +#define IRQ_IXP4XX_GPIO4 21 +#define IRQ_IXP4XX_GPIO5 22 +#define IRQ_IXP4XX_GPIO6 23 +#define IRQ_IXP4XX_GPIO7 24 +#define IRQ_IXP4XX_GPIO8 25 +#define IRQ_IXP4XX_GPIO9 26 +#define IRQ_IXP4XX_GPIO10 27 +#define IRQ_IXP4XX_GPIO11 28 +#define IRQ_IXP4XX_GPIO12 29 +#define IRQ_IXP4XX_SW_INT1 30 +#define IRQ_IXP4XX_SW_INT2 31 +#define IRQ_IXP4XX_USB_HOST 32 +#define IRQ_IXP4XX_I2C 33 +#define IRQ_IXP4XX_SSP 34 +#define IRQ_IXP4XX_TSYNC 35 +#define IRQ_IXP4XX_EAU_DONE 36 +#define IRQ_IXP4XX_SHA_DONE 37 +#define IRQ_IXP4XX_SWCP_PE 58 +#define IRQ_IXP4XX_QM_PE 60 +#define IRQ_IXP4XX_MCU_ECC 61 +#define IRQ_IXP4XX_EXP_PE 62 + +/* + * Only first 32 sources are valid if running on IXP42x systems + */ +#ifndef CONFIG_CPU_IXP46X +#define NR_IRQS 32 +#else +#define NR_IRQS 64 +#endif + +#define XSCALE_PMU_IRQ (IRQ_IXP4XX_XSCALE_PMU) + +/* + * IXDP425 board IRQs + */ +#define IRQ_IXDP425_PCI_INTA IRQ_IXP4XX_GPIO11 +#define IRQ_IXDP425_PCI_INTB IRQ_IXP4XX_GPIO10 +#define IRQ_IXDP425_PCI_INTC IRQ_IXP4XX_GPIO9 +#define IRQ_IXDP425_PCI_INTD IRQ_IXP4XX_GPIO8 + +/* + * PrPMC1100 Board IRQs + */ +#define IRQ_PRPMC1100_PCI_INTA IRQ_IXP4XX_GPIO11 +#define IRQ_PRPMC1100_PCI_INTB IRQ_IXP4XX_GPIO10 +#define IRQ_PRPMC1100_PCI_INTC IRQ_IXP4XX_GPIO9 +#define IRQ_PRPMC1100_PCI_INTD IRQ_IXP4XX_GPIO8 + +/* + * ADI Coyote Board IRQs + */ +#define IRQ_COYOTE_PCI_SLOT0 IRQ_IXP4XX_GPIO6 +#define IRQ_COYOTE_PCI_SLOT1 IRQ_IXP4XX_GPIO11 +#define IRQ_COYOTE_IDE IRQ_IXP4XX_GPIO5 + +#endif diff --git a/include/asm-arm/arch-ixp4xx/ixdp425.h b/include/asm-arm/arch-ixp4xx/ixdp425.h new file mode 100644 index 00000000000..7d21bf94137 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/ixdp425.h @@ -0,0 +1,38 @@ +/* + * include/asm-arm/arch-ixp4xx/ixdp425.h + * + * IXDP425 platform specific definitions + * + * Author: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright 2004 (c) MontaVista, Software, Inc. + * + * 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__ +#error "Do not include this directly, instead #include <asm/hardware.h>" +#endif + +#define IXDP425_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS +#define IXDP425_FLASH_SIZE IXP4XX_EXP_BUS_CSX_REGION_SIZE + +#define IXDP425_SDA_PIN 7 +#define IXDP425_SCL_PIN 6 + +/* + * IXDP425 PCI IRQs + */ +#define IXDP425_PCI_MAX_DEV 4 +#define IXDP425_PCI_IRQ_LINES 4 + + +/* PCI controller GPIO to IRQ pin mappings */ +#define IXDP425_PCI_INTA_PIN 11 +#define IXDP425_PCI_INTB_PIN 10 +#define IXDP425_PCI_INTC_PIN 9 +#define IXDP425_PCI_INTD_PIN 8 + + diff --git a/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h new file mode 100644 index 00000000000..8eeb1db6309 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/ixp4xx-regs.h @@ -0,0 +1,591 @@ +/* + * include/asm-arm/arch-ixp4xx/ixp4xx-regs.h + * + * Register definitions for IXP4xx chipset. This file contains + * register location and bit definitions only. Platform specific + * definitions and helper function declarations are in platform.h + * and machine-name.h. + * + * Copyright (C) 2002 Intel Corporation. + * Copyright (C) 2003-2004 MontaVista Software, Inc. + * + * 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__ +#error "Do not include this directly, instead #include <asm/hardware.h>" +#endif + +#ifndef _ASM_ARM_IXP4XX_H_ +#define _ASM_ARM_IXP4XX_H_ + +/* + * IXP4xx Linux Memory Map: + * + * Phy Size Virt Description + * ========================================================================= + * + * 0x00000000 0x10000000(max) PAGE_OFFSET System RAM + * + * 0x48000000 0x04000000 ioremap'd PCI Memory Space + * + * 0x50000000 0x10000000 ioremap'd EXP BUS + * + * 0x6000000 0x00004000 ioremap'd QMgr + * + * 0xC0000000 0x00001000 0xffbfe000 PCI CFG + * + * 0xC4000000 0x00001000 0xffbfd000 EXP CFG + * + * 0xC8000000 0x0000C000 0xffbf2000 On-Chip Peripherals + */ + +/* + * Queue Manager + */ +#define IXP4XX_QMGR_BASE_PHYS (0x60000000) + +/* + * Expansion BUS Configuration registers + */ +#define IXP4XX_EXP_CFG_BASE_PHYS (0xC4000000) +#define IXP4XX_EXP_CFG_BASE_VIRT (0xFFBFD000) +#define IXP4XX_EXP_CFG_REGION_SIZE (0x00001000) + +/* + * PCI Config registers + */ +#define IXP4XX_PCI_CFG_BASE_PHYS (0xC0000000) +#define IXP4XX_PCI_CFG_BASE_VIRT (0xFFBFE000) +#define IXP4XX_PCI_CFG_REGION_SIZE (0x00001000) + +/* + * Peripheral space + */ +#define IXP4XX_PERIPHERAL_BASE_PHYS (0xC8000000) +#define IXP4XX_PERIPHERAL_BASE_VIRT (0xFFBF2000) +#define IXP4XX_PERIPHERAL_REGION_SIZE (0x0000C000) + +#define IXP4XX_EXP_CS0_OFFSET 0x00 +#define IXP4XX_EXP_CS1_OFFSET 0x04 +#define IXP4XX_EXP_CS2_OFFSET 0x08 +#define IXP4XX_EXP_CS3_OFFSET 0x0C +#define IXP4XX_EXP_CS4_OFFSET 0x10 +#define IXP4XX_EXP_CS5_OFFSET 0x14 +#define IXP4XX_EXP_CS6_OFFSET 0x18 +#define IXP4XX_EXP_CS7_OFFSET 0x1C +#define IXP4XX_EXP_CFG0_OFFSET 0x20 +#define IXP4XX_EXP_CFG1_OFFSET 0x24 +#define IXP4XX_EXP_CFG2_OFFSET 0x28 +#define IXP4XX_EXP_CFG3_OFFSET 0x2C + +/* + * Expansion Bus Controller registers. + */ +#define IXP4XX_EXP_REG(x) ((volatile u32 *)(IXP4XX_EXP_CFG_BASE_VIRT+(x))) + +#define IXP4XX_EXP_CS0 IXP4XX_EXP_REG(IXP4XX_EXP_CS0_OFFSET) +#define IXP4XX_EXP_CS1 IXP4XX_EXP_REG(IXP4XX_EXP_CS1_OFFSET) +#define IXP4XX_EXP_CS2 IXP4XX_EXP_REG(IXP4XX_EXP_CS2_OFFSET) +#define IXP4XX_EXP_CS3 IXP4XX_EXP_REG(IXP4XX_EXP_CS3_OFFSET) +#define IXP4XX_EXP_CS4 IXP4XX_EXP_REG(IXP4XX_EXP_CS4_OFFSET) +#define IXP4XX_EXP_CS5 IXP4XX_EXP_REG(IXP4XX_EXP_CS5_OFFSET) +#define IXP4XX_EXP_CS6 IXP4XX_EXP_REG(IXP4XX_EXP_CS6_OFFSET) +#define IXP4XX_EXP_CS7 IXP4XX_EXP_REG(IXP4XX_EXP_CS7_OFFSET) + +#define IXP4XX_EXP_CFG0 IXP4XX_EXP_REG(IXP4XX_EXP_CFG0_OFFSET) +#define IXP4XX_EXP_CFG1 IXP4XX_EXP_REG(IXP4XX_EXP_CFG1_OFFSET) +#define IXP4XX_EXP_CFG2 IXP4XX_EXP_REG(IXP4XX_EXP_CFG2_OFFSET) +#define IXP4XX_EXP_CFG3 IXP4XX_EXP_REG(IXP4XX_EXP_CFG3_OFFSET) + + +/* + * Peripheral Space Register Region Base Addresses + */ +#define IXP4XX_UART1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x0000) +#define IXP4XX_UART2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x1000) +#define IXP4XX_PMU_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x2000) +#define IXP4XX_INTC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x3000) +#define IXP4XX_GPIO_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x4000) +#define IXP4XX_TIMER_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x5000) +#define IXP4XX_EthA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x9000) +#define IXP4XX_EthB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xA000) +#define IXP4XX_USB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xB000) + +#define IXP4XX_UART1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x0000) +#define IXP4XX_UART2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x1000) +#define IXP4XX_PMU_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x2000) +#define IXP4XX_INTC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000) +#define IXP4XX_GPIO_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000) +#define IXP4XX_TIMER_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000) +#define IXP4XX_EthA_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000) +#define IXP4XX_EthB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000) +#define IXP4XX_USB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000) + +/* + * Constants to make it easy to access Interrupt Controller registers + */ +#define IXP4XX_ICPR_OFFSET 0x00 /* Interrupt Status */ +#define IXP4XX_ICMR_OFFSET 0x04 /* Interrupt Enable */ +#define IXP4XX_ICLR_OFFSET 0x08 /* Interrupt IRQ/FIQ Select */ +#define IXP4XX_ICIP_OFFSET 0x0C /* IRQ Status */ +#define IXP4XX_ICFP_OFFSET 0x10 /* FIQ Status */ +#define IXP4XX_ICHR_OFFSET 0x14 /* Interrupt Priority */ +#define IXP4XX_ICIH_OFFSET 0x18 /* IRQ Highest Pri Int */ +#define IXP4XX_ICFH_OFFSET 0x1C /* FIQ Highest Pri Int */ + +/* + * IXP465-only + */ +#define IXP4XX_ICPR2_OFFSET 0x20 /* Interrupt Status 2 */ +#define IXP4XX_ICMR2_OFFSET 0x24 /* Interrupt Enable 2 */ +#define IXP4XX_ICLR2_OFFSET 0x28 /* Interrupt IRQ/FIQ Select 2 */ +#define IXP4XX_ICIP2_OFFSET 0x2C /* IRQ Status */ +#define IXP4XX_ICFP2_OFFSET 0x30 /* FIQ Status */ +#define IXP4XX_ICEEN_OFFSET 0x34 /* Error High Pri Enable */ + + +/* + * Interrupt Controller Register Definitions. + */ + +#define IXP4XX_INTC_REG(x) ((volatile u32 *)(IXP4XX_INTC_BASE_VIRT+(x))) + +#define IXP4XX_ICPR IXP4XX_INTC_REG(IXP4XX_ICPR_OFFSET) +#define IXP4XX_ICMR IXP4XX_INTC_REG(IXP4XX_ICMR_OFFSET) +#define IXP4XX_ICLR IXP4XX_INTC_REG(IXP4XX_ICLR_OFFSET) +#define IXP4XX_ICIP IXP4XX_INTC_REG(IXP4XX_ICIP_OFFSET) +#define IXP4XX_ICFP IXP4XX_INTC_REG(IXP4XX_ICFP_OFFSET) +#define IXP4XX_ICHR IXP4XX_INTC_REG(IXP4XX_ICHR_OFFSET) +#define IXP4XX_ICIH IXP4XX_INTC_REG(IXP4XX_ICIH_OFFSET) +#define IXP4XX_ICFH IXP4XX_INTC_REG(IXP4XX_ICFH_OFFSET) +#define IXP4XX_ICPR2 IXP4XX_INTC_REG(IXP4XX_ICPR2_OFFSET) +#define IXP4XX_ICMR2 IXP4XX_INTC_REG(IXP4XX_ICMR2_OFFSET) +#define IXP4XX_ICLR2 IXP4XX_INTC_REG(IXP4XX_ICLR2_OFFSET) +#define IXP4XX_ICIP2 IXP4XX_INTC_REG(IXP4XX_ICIP2_OFFSET) +#define IXP4XX_ICFP2 IXP4XX_INTC_REG(IXP4XX_ICFP2_OFFSET) +#define IXP4XX_ICEEN IXP4XX_INTC_REG(IXP4XX_ICEEN_OFFSET) + +/* + * Constants to make it easy to access GPIO registers + */ +#define IXP4XX_GPIO_GPOUTR_OFFSET 0x00 +#define IXP4XX_GPIO_GPOER_OFFSET 0x04 +#define IXP4XX_GPIO_GPINR_OFFSET 0x08 +#define IXP4XX_GPIO_GPISR_OFFSET 0x0C +#define IXP4XX_GPIO_GPIT1R_OFFSET 0x10 +#define IXP4XX_GPIO_GPIT2R_OFFSET 0x14 +#define IXP4XX_GPIO_GPCLKR_OFFSET 0x18 +#define IXP4XX_GPIO_GPDBSELR_OFFSET 0x1C + +/* + * GPIO Register Definitions. + * [Only perform 32bit reads/writes] + */ +#define IXP4XX_GPIO_REG(x) ((volatile u32 *)(IXP4XX_GPIO_BASE_VIRT+(x))) + +#define IXP4XX_GPIO_GPOUTR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOUTR_OFFSET) +#define IXP4XX_GPIO_GPOER IXP4XX_GPIO_REG(IXP4XX_GPIO_GPOER_OFFSET) +#define IXP4XX_GPIO_GPINR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPINR_OFFSET) +#define IXP4XX_GPIO_GPISR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPISR_OFFSET) +#define IXP4XX_GPIO_GPIT1R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT1R_OFFSET) +#define IXP4XX_GPIO_GPIT2R IXP4XX_GPIO_REG(IXP4XX_GPIO_GPIT2R_OFFSET) +#define IXP4XX_GPIO_GPCLKR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPCLKR_OFFSET) +#define IXP4XX_GPIO_GPDBSELR IXP4XX_GPIO_REG(IXP4XX_GPIO_GPDBSELR_OFFSET) + +/* + * GPIO register bit definitions + */ + +/* Interrupt styles + */ +#define IXP4XX_GPIO_STYLE_ACTIVE_HIGH 0x0 +#define IXP4XX_GPIO_STYLE_ACTIVE_LOW 0x1 +#define IXP4XX_GPIO_STYLE_RISING_EDGE 0x2 +#define IXP4XX_GPIO_STYLE_FALLING_EDGE 0x3 +#define IXP4XX_GPIO_STYLE_TRANSITIONAL 0x4 + +/* + * Mask used to clear interrupt styles + */ +#define IXP4XX_GPIO_STYLE_CLEAR 0x7 +#define IXP4XX_GPIO_STYLE_SIZE 3 + +/* + * Constants to make it easy to access Timer Control/Status registers + */ +#define IXP4XX_OSTS_OFFSET 0x00 /* Continious TimeStamp */ +#define IXP4XX_OST1_OFFSET 0x04 /* Timer 1 Timestamp */ +#define IXP4XX_OSRT1_OFFSET 0x08 /* Timer 1 Reload */ +#define IXP4XX_OST2_OFFSET 0x0C /* Timer 2 Timestamp */ +#define IXP4XX_OSRT2_OFFSET 0x10 /* Timer 2 Reload */ +#define IXP4XX_OSWT_OFFSET 0x14 /* Watchdog Timer */ +#define IXP4XX_OSWE_OFFSET 0x18 /* Watchdog Enable */ +#define IXP4XX_OSWK_OFFSET 0x1C /* Watchdog Key */ +#define IXP4XX_OSST_OFFSET 0x20 /* Timer Status */ + +/* + * Operating System Timer Register Definitions. + */ + +#define IXP4XX_TIMER_REG(x) ((volatile u32 *)(IXP4XX_TIMER_BASE_VIRT+(x))) + +#define IXP4XX_OSTS IXP4XX_TIMER_REG(IXP4XX_OSTS_OFFSET) +#define IXP4XX_OST1 IXP4XX_TIMER_REG(IXP4XX_OST1_OFFSET) +#define IXP4XX_OSRT1 IXP4XX_TIMER_REG(IXP4XX_OSRT1_OFFSET) +#define IXP4XX_OST2 IXP4XX_TIMER_REG(IXP4XX_OST2_OFFSET) +#define IXP4XX_OSRT2 IXP4XX_TIMER_REG(IXP4XX_OSRT2_OFFSET) +#define IXP4XX_OSWT IXP4XX_TIMER_REG(IXP4XX_OSWT_OFFSET) +#define IXP4XX_OSWE IXP4XX_TIMER_REG(IXP4XX_OSWE_OFFSET) +#define IXP4XX_OSWK IXP4XX_TIMER_REG(IXP4XX_OSWK_OFFSET) +#define IXP4XX_OSST IXP4XX_TIMER_REG(IXP4XX_OSST_OFFSET) + +/* + * Timer register values and bit definitions + */ +#define IXP4XX_OST_ENABLE 0x00000001 +#define IXP4XX_OST_ONE_SHOT 0x00000002 +/* Low order bits of reload value ignored */ +#define IXP4XX_OST_RELOAD_MASK 0x00000003 +#define IXP4XX_OST_DISABLED 0x00000000 +#define IXP4XX_OSST_TIMER_1_PEND 0x00000001 +#define IXP4XX_OSST_TIMER_2_PEND 0x00000002 +#define IXP4XX_OSST_TIMER_TS_PEND 0x00000004 +#define IXP4XX_OSST_TIMER_WDOG_PEND 0x00000008 +#define IXP4XX_OSST_TIMER_WARM_RESET 0x00000010 + +#define IXP4XX_WDT_KEY 0x0000482E + +#define IXP4XX_WDT_RESET_ENABLE 0x00000001 +#define IXP4XX_WDT_IRQ_ENABLE 0x00000002 +#define IXP4XX_WDT_COUNT_ENABLE 0x00000004 + + +/* + * Constants to make it easy to access PCI Control/Status registers + */ +#define PCI_NP_AD_OFFSET 0x00 +#define PCI_NP_CBE_OFFSET 0x04 +#define PCI_NP_WDATA_OFFSET 0x08 +#define PCI_NP_RDATA_OFFSET 0x0c +#define PCI_CRP_AD_CBE_OFFSET 0x10 +#define PCI_CRP_WDATA_OFFSET 0x14 +#define PCI_CRP_RDATA_OFFSET 0x18 +#define PCI_CSR_OFFSET 0x1c +#define PCI_ISR_OFFSET 0x20 +#define PCI_INTEN_OFFSET 0x24 +#define PCI_DMACTRL_OFFSET 0x28 +#define PCI_AHBMEMBASE_OFFSET 0x2c +#define PCI_AHBIOBASE_OFFSET 0x30 +#define PCI_PCIMEMBASE_OFFSET 0x34 +#define PCI_AHBDOORBELL_OFFSET 0x38 +#define PCI_PCIDOORBELL_OFFSET 0x3C +#define PCI_ATPDMA0_AHBADDR_OFFSET 0x40 +#define PCI_ATPDMA0_PCIADDR_OFFSET 0x44 +#define PCI_ATPDMA0_LENADDR_OFFSET 0x48 +#define PCI_ATPDMA1_AHBADDR_OFFSET 0x4C +#define PCI_ATPDMA1_PCIADDR_OFFSET 0x50 +#define PCI_ATPDMA1_LENADDR_OFFSET 0x54 + +/* + * PCI Control/Status Registers + */ +#define IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x))) + +#define PCI_NP_AD IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET) +#define PCI_NP_CBE IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET) +#define PCI_NP_WDATA IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET) +#define PCI_NP_RDATA IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET) +#define PCI_CRP_AD_CBE IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET) +#define PCI_CRP_WDATA IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET) +#define PCI_CRP_RDATA IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET) +#define PCI_CSR IXP4XX_PCI_CSR(PCI_CSR_OFFSET) +#define PCI_ISR IXP4XX_PCI_CSR(PCI_ISR_OFFSET) +#define PCI_INTEN IXP4XX_PCI_CSR(PCI_INTEN_OFFSET) +#define PCI_DMACTRL IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET) +#define PCI_AHBMEMBASE IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET) +#define PCI_AHBIOBASE IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET) +#define PCI_PCIMEMBASE IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET) +#define PCI_AHBDOORBELL IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET) +#define PCI_PCIDOORBELL IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET) +#define PCI_ATPDMA0_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET) +#define PCI_ATPDMA0_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET) +#define PCI_ATPDMA0_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET) +#define PCI_ATPDMA1_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET) +#define PCI_ATPDMA1_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET) +#define PCI_ATPDMA1_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET) + +/* + * PCI register values and bit definitions + */ + +/* CSR bit definitions */ +#define PCI_CSR_HOST 0x00000001 +#define PCI_CSR_ARBEN 0x00000002 +#define PCI_CSR_ADS 0x00000004 +#define PCI_CSR_PDS 0x00000008 +#define PCI_CSR_ABE 0x00000010 +#define PCI_CSR_DBT 0x00000020 +#define PCI_CSR_ASE 0x00000100 +#define PCI_CSR_IC 0x00008000 + +/* ISR (Interrupt status) Register bit definitions */ +#define PCI_ISR_PSE 0x00000001 +#define PCI_ISR_PFE 0x00000002 +#define PCI_ISR_PPE 0x00000004 +#define PCI_ISR_AHBE 0x00000008 +#define PCI_ISR_APDC 0x00000010 +#define PCI_ISR_PADC 0x00000020 +#define PCI_ISR_ADB 0x00000040 +#define PCI_ISR_PDB 0x00000080 + +/* INTEN (Interrupt Enable) Register bit definitions */ +#define PCI_INTEN_PSE 0x00000001 +#define PCI_INTEN_PFE 0x00000002 +#define PCI_INTEN_PPE 0x00000004 +#define PCI_INTEN_AHBE 0x00000008 +#define PCI_INTEN_APDC 0x00000010 +#define PCI_INTEN_PADC 0x00000020 +#define PCI_INTEN_ADB 0x00000040 +#define PCI_INTEN_PDB 0x00000080 + +/* + * Shift value for byte enable on NP cmd/byte enable register + */ +#define IXP4XX_PCI_NP_CBE_BESL 4 + +/* + * PCI commands supported by NP access unit + */ +#define NP_CMD_IOREAD 0x2 +#define NP_CMD_IOWRITE 0x3 +#define NP_CMD_CONFIGREAD 0xa +#define NP_CMD_CONFIGWRITE 0xb +#define NP_CMD_MEMREAD 0x6 +#define NP_CMD_MEMWRITE 0x7 + +/* + * Constants for CRP access into local config space + */ +#define CRP_AD_CBE_BESL 20 +#define CRP_AD_CBE_WRITE 0x00010000 + + +/* + * USB Device Controller + * + * These are used by the USB gadget driver, so they don't follow the + * IXP4XX_ naming convetions. + * + */ +# define IXP4XX_USB_REG(x) (*((volatile u32 *)(x))) + +/* UDC Undocumented - Reserved1 */ +#define UDC_RES1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0004) +/* UDC Undocumented - Reserved2 */ +#define UDC_RES2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0008) +/* UDC Undocumented - Reserved3 */ +#define UDC_RES3 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x000C) +/* UDC Control Register */ +#define UDCCR IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0000) +/* UDC Endpoint 0 Control/Status Register */ +#define UDCCS0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0010) +/* UDC Endpoint 1 (IN) Control/Status Register */ +#define UDCCS1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0014) +/* UDC Endpoint 2 (OUT) Control/Status Register */ +#define UDCCS2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0018) +/* UDC Endpoint 3 (IN) Control/Status Register */ +#define UDCCS3 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x001C) +/* UDC Endpoint 4 (OUT) Control/Status Register */ +#define UDCCS4 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0020) +/* UDC Endpoint 5 (Interrupt) Control/Status Register */ +#define UDCCS5 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0024) +/* UDC Endpoint 6 (IN) Control/Status Register */ +#define UDCCS6 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0028) +/* UDC Endpoint 7 (OUT) Control/Status Register */ +#define UDCCS7 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x002C) +/* UDC Endpoint 8 (IN) Control/Status Register */ +#define UDCCS8 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0030) +/* UDC Endpoint 9 (OUT) Control/Status Register */ +#define UDCCS9 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0034) +/* UDC Endpoint 10 (Interrupt) Control/Status Register */ +#define UDCCS10 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0038) +/* UDC Endpoint 11 (IN) Control/Status Register */ +#define UDCCS11 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x003C) +/* UDC Endpoint 12 (OUT) Control/Status Register */ +#define UDCCS12 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0040) +/* UDC Endpoint 13 (IN) Control/Status Register */ +#define UDCCS13 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0044) +/* UDC Endpoint 14 (OUT) Control/Status Register */ +#define UDCCS14 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0048) +/* UDC Endpoint 15 (Interrupt) Control/Status Register */ +#define UDCCS15 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x004C) +/* UDC Frame Number Register High */ +#define UFNRH IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0060) +/* UDC Frame Number Register Low */ +#define UFNRL IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0064) +/* UDC Byte Count Reg 2 */ +#define UBCR2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0068) +/* UDC Byte Count Reg 4 */ +#define UBCR4 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x006c) +/* UDC Byte Count Reg 7 */ +#define UBCR7 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0070) +/* UDC Byte Count Reg 9 */ +#define UBCR9 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0074) +/* UDC Byte Count Reg 12 */ +#define UBCR12 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0078) +/* UDC Byte Count Reg 14 */ +#define UBCR14 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x007c) +/* UDC Endpoint 0 Data Register */ +#define UDDR0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0080) +/* UDC Endpoint 1 Data Register */ +#define UDDR1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0100) +/* UDC Endpoint 2 Data Register */ +#define UDDR2 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0180) +/* UDC Endpoint 3 Data Register */ +#define UDDR3 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0200) +/* UDC Endpoint 4 Data Register */ +#define UDDR4 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0400) +/* UDC Endpoint 5 Data Register */ +#define UDDR5 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00A0) +/* UDC Endpoint 6 Data Register */ +#define UDDR6 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0600) +/* UDC Endpoint 7 Data Register */ +#define UDDR7 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0680) +/* UDC Endpoint 8 Data Register */ +#define UDDR8 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0700) +/* UDC Endpoint 9 Data Register */ +#define UDDR9 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0900) +/* UDC Endpoint 10 Data Register */ +#define UDDR10 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00C0) +/* UDC Endpoint 11 Data Register */ +#define UDDR11 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0B00) +/* UDC Endpoint 12 Data Register */ +#define UDDR12 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0B80) +/* UDC Endpoint 13 Data Register */ +#define UDDR13 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0C00) +/* UDC Endpoint 14 Data Register */ +#define UDDR14 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0E00) +/* UDC Endpoint 15 Data Register */ +#define UDDR15 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x00E0) +/* UDC Interrupt Control Register 0 */ +#define UICR0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0050) +/* UDC Interrupt Control Register 1 */ +#define UICR1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0054) +/* UDC Status Interrupt Register 0 */ +#define USIR0 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x0058) +/* UDC Status Interrupt Register 1 */ +#define USIR1 IXP4XX_USB_REG(IXP4XX_USB_BASE_VIRT+0x005C) + +#define UDCCR_UDE (1 << 0) /* UDC enable */ +#define UDCCR_UDA (1 << 1) /* UDC active */ +#define UDCCR_RSM (1 << 2) /* Device resume */ +#define UDCCR_RESIR (1 << 3) /* Resume interrupt request */ +#define UDCCR_SUSIR (1 << 4) /* Suspend interrupt request */ +#define UDCCR_SRM (1 << 5) /* Suspend/resume interrupt mask */ +#define UDCCR_RSTIR (1 << 6) /* Reset interrupt request */ +#define UDCCR_REM (1 << 7) /* Reset interrupt mask */ + +#define UDCCS0_OPR (1 << 0) /* OUT packet ready */ +#define UDCCS0_IPR (1 << 1) /* IN packet ready */ +#define UDCCS0_FTF (1 << 2) /* Flush Tx FIFO */ +#define UDCCS0_DRWF (1 << 3) /* Device remote wakeup feature */ +#define UDCCS0_SST (1 << 4) /* Sent stall */ +#define UDCCS0_FST (1 << 5) /* Force stall */ +#define UDCCS0_RNE (1 << 6) /* Receive FIFO no empty */ +#define UDCCS0_SA (1 << 7) /* Setup active */ + +#define UDCCS_BI_TFS (1 << 0) /* Transmit FIFO service */ +#define UDCCS_BI_TPC (1 << 1) /* Transmit packet complete */ +#define UDCCS_BI_FTF (1 << 2) /* Flush Tx FIFO */ +#define UDCCS_BI_TUR (1 << 3) /* Transmit FIFO underrun */ +#define UDCCS_BI_SST (1 << 4) /* Sent stall */ +#define UDCCS_BI_FST (1 << 5) /* Force stall */ +#define UDCCS_BI_TSP (1 << 7) /* Transmit short packet */ + +#define UDCCS_BO_RFS (1 << 0) /* Receive FIFO service */ +#define UDCCS_BO_RPC (1 << 1) /* Receive packet complete */ +#define UDCCS_BO_DME (1 << 3) /* DMA enable */ +#define UDCCS_BO_SST (1 << 4) /* Sent stall */ +#define UDCCS_BO_FST (1 << 5) /* Force stall */ +#define UDCCS_BO_RNE (1 << 6) /* Receive FIFO not empty */ +#define UDCCS_BO_RSP (1 << 7) /* Receive short packet */ + +#define UDCCS_II_TFS (1 << 0) /* Transmit FIFO service */ +#define UDCCS_II_TPC (1 << 1) /* Transmit packet complete */ +#define UDCCS_II_FTF (1 << 2) /* Flush Tx FIFO */ +#define UDCCS_II_TUR (1 << 3) /* Transmit FIFO underrun */ +#define UDCCS_II_TSP (1 << 7) /* Transmit short packet */ + +#define UDCCS_IO_RFS (1 << 0) /* Receive FIFO service */ +#define UDCCS_IO_RPC (1 << 1) /* Receive packet complete */ +#define UDCCS_IO_ROF (1 << 3) /* Receive overflow */ +#define UDCCS_IO_DME (1 << 3) /* DMA enable */ +#define UDCCS_IO_RNE (1 << 6) /* Receive FIFO not empty */ +#define UDCCS_IO_RSP (1 << 7) /* Receive short packet */ + +#define UDCCS_INT_TFS (1 << 0) /* Transmit FIFO service */ +#define UDCCS_INT_TPC (1 << 1) /* Transmit packet complete */ +#define UDCCS_INT_FTF (1 << 2) /* Flush Tx FIFO */ +#define UDCCS_INT_TUR (1 << 3) /* Transmit FIFO underrun */ +#define UDCCS_INT_SST (1 << 4) /* Sent stall */ +#define UDCCS_INT_FST (1 << 5) /* Force stall */ +#define UDCCS_INT_TSP (1 << 7) /* Transmit short packet */ + +#define UICR0_IM0 (1 << 0) /* Interrupt mask ep 0 */ +#define UICR0_IM1 (1 << 1) /* Interrupt mask ep 1 */ +#define UICR0_IM2 (1 << 2) /* Interrupt mask ep 2 */ +#define UICR0_IM3 (1 << 3) /* Interrupt mask ep 3 */ +#define UICR0_IM4 (1 << 4) /* Interrupt mask ep 4 */ +#define UICR0_IM5 (1 << 5) /* Interrupt mask ep 5 */ +#define UICR0_IM6 (1 << 6) /* Interrupt mask ep 6 */ +#define UICR0_IM7 (1 << 7) /* Interrupt mask ep 7 */ + +#define UICR1_IM8 (1 << 0) /* Interrupt mask ep 8 */ +#define UICR1_IM9 (1 << 1) /* Interrupt mask ep 9 */ +#define UICR1_IM10 (1 << 2) /* Interrupt mask ep 10 */ +#define UICR1_IM11 (1 << 3) /* Interrupt mask ep 11 */ +#define UICR1_IM12 (1 << 4) /* Interrupt mask ep 12 */ +#define UICR1_IM13 (1 << 5) /* Interrupt mask ep 13 */ +#define UICR1_IM14 (1 << 6) /* Interrupt mask ep 14 */ +#define UICR1_IM15 (1 << 7) /* Interrupt mask ep 15 */ + +#define USIR0_IR0 (1 << 0) /* Interrup request ep 0 */ +#define USIR0_IR1 (1 << 1) /* Interrup request ep 1 */ +#define USIR0_IR2 (1 << 2) /* Interrup request ep 2 */ +#define USIR0_IR3 (1 << 3) /* Interrup request ep 3 */ +#define USIR0_IR4 (1 << 4) /* Interrup request ep 4 */ +#define USIR0_IR5 (1 << 5) /* Interrup request ep 5 */ +#define USIR0_IR6 (1 << 6) /* Interrup request ep 6 */ +#define USIR0_IR7 (1 << 7) /* Interrup request ep 7 */ + +#define USIR1_IR8 (1 << 0) /* Interrup request ep 8 */ +#define USIR1_IR9 (1 << 1) /* Interrup request ep 9 */ +#define USIR1_IR10 (1 << 2) /* Interrup request ep 10 */ +#define USIR1_IR11 (1 << 3) /* Interrup request ep 11 */ +#define USIR1_IR12 (1 << 4) /* Interrup request ep 12 */ +#define USIR1_IR13 (1 << 5) /* Interrup request ep 13 */ +#define USIR1_IR14 (1 << 6) /* Interrup request ep 14 */ +#define USIR1_IR15 (1 << 7) /* Interrup request ep 15 */ + +#define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */ + +#ifndef __ASSEMBLY__ +static inline int cpu_is_ixp46x(void) +{ +#ifdef CONFIG_CPU_IXP46X + unsigned int processor_id; + + asm("mrc p15, 0, %0, cr0, cr0, 0;" : "=r"(processor_id) :); + + if ((processor_id & 0xffffff00) == 0x69054200) + return 1; +#endif + return 0; +} +#endif + +#endif diff --git a/include/asm-arm/arch-ixp4xx/memory.h b/include/asm-arm/arch-ixp4xx/memory.h new file mode 100644 index 00000000000..d348548b592 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/memory.h @@ -0,0 +1,61 @@ +/* + * linux/include/asm-arm/arch-ixp4xx/memory.h + * + * Copyright (c) 2001-2004 MontaVista Software, Inc. + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#include <asm/sizes.h> + +/* + * Physical DRAM offset. + */ +#define PHYS_OFFSET (0x00000000UL) + +#ifndef __ASSEMBLY__ + +/* + * Only first 64MB of memory can be accessed via PCI. + * We use GFP_DMA to allocate safe buffers to do map/unmap. + * This is really ugly and we need a better way of specifying + * DMA-capable regions of memory. + */ +static inline void __arch_adjust_zones(int node, unsigned long *zone_size, + unsigned long *zhole_size) +{ + unsigned int sz = SZ_64M >> PAGE_SHIFT; + + /* + * Only adjust if > 64M on current system + */ + if (node || (zone_size[0] <= sz)) + return; + + zone_size[1] = zone_size[0] - sz; + zone_size[0] = sz; + zhole_size[1] = zhole_size[0]; + zhole_size[0] = 0; +} + +#define arch_adjust_zones(node, size, holes) \ + __arch_adjust_zones(node, size, holes) + +#define ISA_DMA_THRESHOLD (SZ_64M - 1) + +#endif + +/* + * Virtual view <-> DMA view memory address translations + * virt_to_bus: Used to translate the virtual address to an + * address suitable to be passed to set_dma_addr + * bus_to_virt: Used to convert an address for DMA operations + * to an address that the kernel can use. + * + * These are dummies for now. + */ +#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-ixp4xx/param.h b/include/asm-arm/arch-ixp4xx/param.h new file mode 100644 index 00000000000..8a757125e5e --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/param.h @@ -0,0 +1,3 @@ +/* + * linux/include/asm-arm/arch-ixp4xx/param.h + */ diff --git a/include/asm-arm/arch-ixp4xx/platform.h b/include/asm-arm/arch-ixp4xx/platform.h new file mode 100644 index 00000000000..3a626c03ea2 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/platform.h @@ -0,0 +1,126 @@ +/* + * include/asm-arm/arch-ixp4xx/platform.h + * + * Constants and functions that are useful to IXP4xx platform-specific code + * and device drivers. + * + * Copyright (C) 2004 MontaVista Software, Inc. + */ + +#ifndef __ASM_ARCH_HARDWARE_H__ +#error "Do not include this directly, instead #include <asm/hardware.h>" +#endif + +#ifndef __ASSEMBLY__ + +#include <asm/types.h> + +#ifndef __ARMEB__ +#define REG_OFFSET 0 +#else +#define REG_OFFSET 3 +#endif + +/* + * Expansion bus memory regions + */ +#define IXP4XX_EXP_BUS_BASE_PHYS (0x50000000) + +#define IXP4XX_EXP_BUS_CSX_REGION_SIZE (0x01000000) + +#define IXP4XX_EXP_BUS_CS0_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x00000000) +#define IXP4XX_EXP_BUS_CS1_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x01000000) +#define IXP4XX_EXP_BUS_CS2_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x02000000) +#define IXP4XX_EXP_BUS_CS3_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x03000000) +#define IXP4XX_EXP_BUS_CS4_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x04000000) +#define IXP4XX_EXP_BUS_CS5_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x05000000) +#define IXP4XX_EXP_BUS_CS6_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x06000000) +#define IXP4XX_EXP_BUS_CS7_BASE_PHYS (IXP4XX_EXP_BUS_BASE_PHYS + 0x07000000) + +#define IXP4XX_FLASH_WRITABLE (0x2) +#define IXP4XX_FLASH_DEFAULT (0xbcd23c40) +#define IXP4XX_FLASH_WRITE (0xbcd23c42) + +/* + * Clock Speed Definitions. + */ +#define IXP4XX_PERIPHERAL_BUS_CLOCK (66) /* 66Mhzi APB BUS */ +#define IXP4XX_UART_XTAL 14745600 + +/* + * The IXP4xx chips do not have an I2C unit, so GPIO lines are just + * used to + * Used as platform_data to provide GPIO pin information to the ixp42x + * I2C driver. + */ +struct ixp4xx_i2c_pins { + unsigned long sda_pin; + unsigned long scl_pin; +}; + + +struct sys_timer; + +/* + * Functions used by platform-level setup code + */ +extern void ixp4xx_map_io(void); +extern void ixp4xx_init_irq(void); +extern void ixp4xx_sys_init(void); +extern struct sys_timer ixp4xx_timer; +extern void ixp4xx_pci_preinit(void); +struct pci_sys_data; +extern int ixp4xx_setup(int nr, struct pci_sys_data *sys); +extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys); + +/* + * GPIO-functions + */ +/* + * The following converted to the real HW bits the gpio_line_config + */ +/* GPIO pin types */ +#define IXP4XX_GPIO_OUT 0x1 +#define IXP4XX_GPIO_IN 0x2 + +#define IXP4XX_GPIO_INTSTYLE_MASK 0x7C /* Bits [6:2] define interrupt style */ + +/* + * GPIO interrupt types. + */ +#define IXP4XX_GPIO_ACTIVE_HIGH 0x4 /* Default */ +#define IXP4XX_GPIO_ACTIVE_LOW 0x8 +#define IXP4XX_GPIO_RISING_EDGE 0x10 +#define IXP4XX_GPIO_FALLING_EDGE 0x20 +#define IXP4XX_GPIO_TRANSITIONAL 0x40 + +/* GPIO signal types */ +#define IXP4XX_GPIO_LOW 0 +#define IXP4XX_GPIO_HIGH 1 + +/* GPIO Clocks */ +#define IXP4XX_GPIO_CLK_0 14 +#define IXP4XX_GPIO_CLK_1 15 + +extern void gpio_line_config(u8 line, u32 style); + +static inline void gpio_line_get(u8 line, int *value) +{ + *value = (*IXP4XX_GPIO_GPINR >> line) & 0x1; +} + +static inline void gpio_line_set(u8 line, int value) +{ + if (value == IXP4XX_GPIO_HIGH) + *IXP4XX_GPIO_GPOUTR |= (1 << line); + else if (value == IXP4XX_GPIO_LOW) + *IXP4XX_GPIO_GPOUTR &= ~(1 << line); +} + +static inline void gpio_line_isr_clear(u8 line) +{ + *IXP4XX_GPIO_GPISR = (1 << line); +} + +#endif // __ASSEMBLY__ + diff --git a/include/asm-arm/arch-ixp4xx/prpmc1100.h b/include/asm-arm/arch-ixp4xx/prpmc1100.h new file mode 100644 index 00000000000..e2532ab7f48 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/prpmc1100.h @@ -0,0 +1,33 @@ +/* + * include/asm-arm/arch-ixp4xx/prpmc1100.h + * + * Motorolla PrPMC1100 platform specific definitions + * + * Author: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright 2004 (c) MontaVista, Software, Inc. + * + * 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__ +#error "Do not include this directly, instead #include <asm/hardware.h>" +#endif + +#define PRPMC1100_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS +#define PRPMC1100_FLASH_SIZE IXP4XX_EXP_BUS_CSX_REGION_SIZE + +#define PRPMC1100_PCI_MIN_DEVID 10 +#define PRPMC1100_PCI_MAX_DEVID 16 +#define PRPMC1100_PCI_IRQ_LINES 4 + + +/* PCI controller GPIO to IRQ pin mappings */ +#define PRPMC1100_PCI_INTA_PIN 11 +#define PRPMC1100_PCI_INTB_PIN 10 +#define PRPMC1100_PCI_INTC_PIN 9 +#define PRPMC1100_PCI_INTD_PIN 8 + + diff --git a/include/asm-arm/arch-ixp4xx/system.h b/include/asm-arm/arch-ixp4xx/system.h new file mode 100644 index 00000000000..73589aad8dd --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/system.h @@ -0,0 +1,42 @@ +/* + * include/asm-arm/arch-ixp4x//system.h + * + * Copyright (C) 2002 Intel Corporation. + * + * 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/hardware.h> + +static inline void arch_idle(void) +{ +#if 0 + if (!hlt_counter) + cpu_do_idle(0); +#endif +} + + +static inline void arch_reset(char mode) +{ + if ( 1 && mode == 's') { + /* Jump into ROM at address 0 */ + cpu_reset(0); + } else { + /* Use on-chip reset capability */ + + /* set the "key" register to enable access to + * "timer" and "enable" registers + */ + *IXP4XX_OSWK = IXP4XX_WDT_KEY; + + /* write 0 to the timer register for an immediate reset */ + *IXP4XX_OSWT = 0; + + *IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE; + } +} + diff --git a/include/asm-arm/arch-ixp4xx/timex.h b/include/asm-arm/arch-ixp4xx/timex.h new file mode 100644 index 00000000000..38c9d77d372 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/timex.h @@ -0,0 +1,13 @@ +/* + * linux/include/asm-arm/arch-ixp4xx/timex.h + * + */ + +#include <asm/hardware.h> + +/* + * We use IXP425 General purpose timer for our timer needs, it runs at + * 66.66... MHz + */ +#define CLOCK_TICK_RATE (66666666) + diff --git a/include/asm-arm/arch-ixp4xx/uncompress.h b/include/asm-arm/arch-ixp4xx/uncompress.h new file mode 100644 index 00000000000..960c35810a2 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/uncompress.h @@ -0,0 +1,64 @@ +/* + * include/asm-arm/arch-ixp4xx/uncompress.h + * + * Copyright (C) 2002 Intel Corporation. + * Copyright (C) 2003-2004 MontaVista Software, Inc. + * + * 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 _ARCH_UNCOMPRESS_H_ +#define _ARCH_UNCOMPRESS_H_ + +#include <asm/hardware.h> +#include <asm/mach-types.h> +#include <linux/serial_reg.h> + +#define TX_DONE (UART_LSR_TEMT|UART_LSR_THRE) + +static volatile u32* uart_base; + +static __inline__ void putc(char c) +{ + /* Check THRE and TEMT bits before we transmit the character. + */ + while ((uart_base[UART_LSR] & TX_DONE) != TX_DONE); + *uart_base = c; +} + +/* + * This does not append a newline + */ +static void putstr(const char *s) +{ + while (*s) + { + putc(*s); + if (*s == '\n') + putc('\r'); + s++; + } +} + +static __inline__ void __arch_decomp_setup(unsigned long arch_id) +{ + /* + * Coyote and gtwx5715 only have UART2 connected + */ + if (machine_is_adi_coyote() || machine_is_gtwx5715()) + uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS; + else + uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS; +} + +/* + * arch_id is a variable in decompress_kernel() + */ +#define arch_decomp_setup() __arch_decomp_setup(arch_id) + +#define arch_decomp_wdog() + +#endif diff --git a/include/asm-arm/arch-ixp4xx/vmalloc.h b/include/asm-arm/arch-ixp4xx/vmalloc.h new file mode 100644 index 00000000000..da46e560ad6 --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/vmalloc.h @@ -0,0 +1,17 @@ +/* + * linux/include/asm-arm/arch-ixp4xx/vmalloc.h + */ + +/* + * Just any arbitrary offset to the start of the vmalloc VM area: the + * current 8MB value just means that there will be a 8MB "hole" after the + * physical memory until the kernel virtual memory starts. That means that + * any out-of-bounds memory accesses will hopefully be caught. + * The vmalloc() routines leaves a hole of 4kB between each vmalloced + * area for the same reason. ;) + */ +#define VMALLOC_OFFSET (8*1024*1024) +#define VMALLOC_START (((unsigned long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)) +#define VMALLOC_VMADDR(x) ((unsigned long)(x)) +#define VMALLOC_END (0xFF000000) + |