diff options
Diffstat (limited to 'arch/arm/mach-ixp2000')
24 files changed, 1505 insertions, 9 deletions
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c index 7e810b3fa552..a6a4f93085fd 100644 --- a/arch/arm/mach-ixp2000/core.c +++ b/arch/arm/mach-ixp2000/core.c @@ -29,7 +29,7 @@ #include <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/irq.h> #include <asm/system.h> #include <asm/tlbflush.h> @@ -39,7 +39,7 @@ #include <asm/mach/time.h> #include <asm/mach/irq.h> -#include <asm/arch/gpio.h> +#include <mach/gpio.h> static DEFINE_SPINLOCK(ixp2000_slowport_lock); static unsigned long ixp2000_slowport_irq_flags; diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c index 17af9f7bd066..c62ed655c1a7 100644 --- a/arch/arm/mach-ixp2000/enp2611.c +++ b/arch/arm/mach-ixp2000/enp2611.c @@ -38,7 +38,7 @@ #include <asm/pgtable.h> #include <asm/page.h> #include <asm/system.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/pci.h> diff --git a/arch/arm/mach-ixp2000/include/mach/debug-macro.S b/arch/arm/mach-ixp2000/include/mach/debug-macro.S new file mode 100644 index 000000000000..904ff56d2246 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/debug-macro.S @@ -0,0 +1,27 @@ +/* arch/arm/mach-ixp2000/include/mach/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, #0xc0000000 @ Physical base + movne \rx, #0xfe000000 @ virtual base + orrne \rx, \rx, #0x00f00000 + orr \rx, \rx, #0x00030000 +#ifdef __ARMEB__ + orr \rx, \rx, #0x00000003 +#endif + .endm + +#define UART_SHIFT 2 +#include <asm/hardware/debug-8250.S> diff --git a/arch/arm/mach-ixp2000/include/mach/dma.h b/arch/arm/mach-ixp2000/include/mach/dma.h new file mode 100644 index 000000000000..26063d60f622 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/dma.h @@ -0,0 +1,9 @@ +/* + * arch/arm/mach-ixp2000/include/mach/dma.h + * + * Copyright (C) 2002 Intel Corp. + * + * 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. + */ diff --git a/arch/arm/mach-ixp2000/include/mach/enp2611.h b/arch/arm/mach-ixp2000/include/mach/enp2611.h new file mode 100644 index 000000000000..9ce3690061d5 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/enp2611.h @@ -0,0 +1,46 @@ +/* + * arch/arm/mach-ixp2000/include/mach/enp2611.h + * + * Register and other defines for Radisys ENP-2611 + * + * Created 2004 by Lennert Buytenhek from the ixdp2x01 code. The + * original version carries the following notices: + * + * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright (C) 2002 Intel Corp. + * 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 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ENP2611_H +#define __ENP2611_H + +#define ENP2611_CALEB_PHYS_BASE 0xc5000000 +#define ENP2611_CALEB_VIRT_BASE 0xfe000000 +#define ENP2611_CALEB_SIZE 0x00100000 + +#define ENP2611_PM3386_0_PHYS_BASE 0xc6000000 +#define ENP2611_PM3386_0_VIRT_BASE 0xfe100000 +#define ENP2611_PM3386_0_SIZE 0x00100000 + +#define ENP2611_PM3386_1_PHYS_BASE 0xc6400000 +#define ENP2611_PM3386_1_VIRT_BASE 0xfe200000 +#define ENP2611_PM3386_1_SIZE 0x00100000 + +#define ENP2611_GPIO_SCL 7 +#define ENP2611_GPIO_SDA 6 + +#define IRQ_ENP2611_THERMAL IRQ_IXP2000_GPIO4 +#define IRQ_ENP2611_OPTION_BOARD IRQ_IXP2000_GPIO3 +#define IRQ_ENP2611_CALEB IRQ_IXP2000_GPIO2 +#define IRQ_ENP2611_PM3386_1 IRQ_IXP2000_GPIO1 +#define IRQ_ENP2611_PM3386_0 IRQ_IXP2000_GPIO0 + + +#endif diff --git a/arch/arm/mach-ixp2000/include/mach/entry-macro.S b/arch/arm/mach-ixp2000/include/mach/entry-macro.S new file mode 100644 index 000000000000..5850ffc8c751 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/entry-macro.S @@ -0,0 +1,60 @@ +/* + * arch/arm/mach-ixp2000/include/mach/entry-macro.S + * + * Low-level IRQ helper macros for IXP2000-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. + */ +#include <mach/irqs.h> + + .macro disable_fiq + .endm + + .macro get_irqnr_preamble, base, tmp + .endm + + .macro arch_ret_to_user, tmp1, tmp2 + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + + mov \irqnr, #0x0 @clear out irqnr as default + mov \base, #0xfe000000 + orr \base, \base, #0x00e00000 + orr \base, \base, #0x08 + ldr \irqstat, [\base] @ get interrupts + + cmp \irqstat, #0 + beq 1001f + + clz \irqnr, \irqstat + mov \base, #31 + subs \irqnr, \base, \irqnr + + /* + * We handle PCIA and PCIB here so we don't have an + * extra layer of code just to check these two bits. + */ + cmp \irqnr, #IRQ_IXP2000_PCI + bne 1001f + + mov \base, #0xfe000000 + orr \base, \base, #0x00c00000 + orr \base, \base, #0x00000100 + orr \base, \base, #0x00000058 + ldr \irqstat, [\base] + + mov \tmp, #(1<<26) + tst \irqstat, \tmp + movne \irqnr, #IRQ_IXP2000_PCIA + bne 1001f + + mov \tmp, #(1<<27) + tst \irqstat, \tmp + movne \irqnr, #IRQ_IXP2000_PCIB + +1001: + .endm + diff --git a/arch/arm/mach-ixp2000/include/mach/gpio.h b/arch/arm/mach-ixp2000/include/mach/gpio.h new file mode 100644 index 000000000000..4a88d2c33dac --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/gpio.h @@ -0,0 +1,48 @@ +/* + * arch/arm/mach-ixp2000/include/mach/gpio.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. + */ + +/* + * IXP2000 GPIO in/out, edge/level detection for IRQs: + * IRQs are generated on Falling-edge, Rising-Edge, Level-low, Level-High + * or both Falling-edge and Rising-edge. + * This must be called *before* the corresponding IRQ is registerd. + * Use this instead of directly setting the GPIO registers. + * GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb) + */ +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#ifndef __ASSEMBLY__ + +#define GPIO_IN 0 +#define GPIO_OUT 1 + +#define IXP2000_GPIO_LOW 0 +#define IXP2000_GPIO_HIGH 1 + +extern void gpio_line_config(int line, int direction); + +static inline int gpio_line_get(int line) +{ + return (((*IXP2000_GPIO_PLR) >> line) & 1); +} + +static inline void gpio_line_set(int line, int value) +{ + if (value == IXP2000_GPIO_HIGH) { + ixp2000_reg_write(IXP2000_GPIO_POSR, 1 << line); + } else if (value == IXP2000_GPIO_LOW) { + ixp2000_reg_write(IXP2000_GPIO_POCR, 1 << line); + } +} + +#endif /* !__ASSEMBLY__ */ + +#endif /* ASM_ARCH_IXP2000_GPIO_H_ */ diff --git a/arch/arm/mach-ixp2000/include/mach/hardware.h b/arch/arm/mach-ixp2000/include/mach/hardware.h new file mode 100644 index 000000000000..f033de4e7493 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/hardware.h @@ -0,0 +1,44 @@ +/* + * arch/arm/mach-ixp2000/include/mach/hardware.h + * + * Hardware definitions for IXP2400/2800 based systems + * + * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> + * + * Maintainer: Deepak Saxena <dsaxena@mvista.com> + * + * Copyright (C) 2001-2002 Intel Corp. + * 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 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_ARCH_HARDWARE_H__ +#define __ASM_ARCH_HARDWARE_H__ + +/* + * This needs to be platform-specific? + */ +#define PCIBIOS_MIN_IO 0x00000000 +#define PCIBIOS_MIN_MEM 0x00000000 + +#include "ixp2000-regs.h" /* Chipset Registers */ + +#define pcibios_assign_all_busses() 0 + +/* + * Platform helper functions + */ +#include "platform.h" + +/* + * Platform-specific bits + */ +#include "enp2611.h" /* ENP-2611 */ +#include "ixdp2x00.h" /* IXDP2400/2800 */ +#include "ixdp2x01.h" /* IXDP2401/2801 */ + +#endif /* _ASM_ARCH_HARDWARE_H__ */ diff --git a/arch/arm/mach-ixp2000/include/mach/io.h b/arch/arm/mach-ixp2000/include/mach/io.h new file mode 100644 index 000000000000..859e584914d9 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/io.h @@ -0,0 +1,134 @@ +/* + * arch/arm/mach-ixp2000/include/mach/io.h + * + * Original Author: Naeem M Afzal <naeem.m.afzal@intel.com> + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright (C) 2002 Intel Corp. + * Copyrgiht (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_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#include <mach/hardware.h> + +#define IO_SPACE_LIMIT 0xffffffff +#define __mem_pci(a) (a) + +/* + * The A? revisions of the IXP2000s assert byte lanes for PCI I/O + * transactions the other way round (MEM transactions don't have this + * issue), so if we want to support those models, we need to override + * the standard I/O functions. + * + * B0 and later have a bit that can be set to 1 to get the proper + * behavior for I/O transactions, which then allows us to use the + * standard I/O functions. This is what we do if the user does not + * explicitly ask for support for pre-B0. + */ +#ifdef CONFIG_IXP2000_SUPPORT_BROKEN_PCI_IO +#define ___io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE)) + +#define alignb(addr) (void __iomem *)((unsigned long)(addr) ^ 3) +#define alignw(addr) (void __iomem *)((unsigned long)(addr) ^ 2) + +#define outb(v,p) __raw_writeb((v),alignb(___io(p))) +#define outw(v,p) __raw_writew((v),alignw(___io(p))) +#define outl(v,p) __raw_writel((v),___io(p)) + +#define inb(p) ({ unsigned int __v = __raw_readb(alignb(___io(p))); __v; }) +#define inw(p) \ + ({ unsigned int __v = (__raw_readw(alignw(___io(p)))); __v; }) +#define inl(p) \ + ({ unsigned int __v = (__raw_readl(___io(p))); __v; }) + +#define outsb(p,d,l) __raw_writesb(alignb(___io(p)),d,l) +#define outsw(p,d,l) __raw_writesw(alignw(___io(p)),d,l) +#define outsl(p,d,l) __raw_writesl(___io(p),d,l) + +#define insb(p,d,l) __raw_readsb(alignb(___io(p)),d,l) +#define insw(p,d,l) __raw_readsw(alignw(___io(p)),d,l) +#define insl(p,d,l) __raw_readsl(___io(p),d,l) + +#define __is_io_address(p) ((((unsigned long)(p)) & ~(IXP2000_PCI_IO_SIZE - 1)) == IXP2000_PCI_IO_VIRT_BASE) + +#define ioread8(p) \ + ({ \ + unsigned int __v; \ + \ + if (__is_io_address(p)) { \ + __v = __raw_readb(alignb(p)); \ + } else { \ + __v = __raw_readb(p); \ + } \ + \ + __v; \ + }) \ + +#define ioread16(p) \ + ({ \ + unsigned int __v; \ + \ + if (__is_io_address(p)) { \ + __v = __raw_readw(alignw(p)); \ + } else { \ + __v = le16_to_cpu(__raw_readw(p)); \ + } \ + \ + __v; \ + }) + +#define ioread32(p) \ + ({ \ + unsigned int __v; \ + \ + if (__is_io_address(p)) { \ + __v = __raw_readl(p); \ + } else { \ + __v = le32_to_cpu(__raw_readl(p)); \ + } \ + \ + __v; \ + }) + +#define iowrite8(v,p) \ + ({ \ + if (__is_io_address(p)) { \ + __raw_writeb((v), alignb(p)); \ + } else { \ + __raw_writeb((v), p); \ + } \ + }) + +#define iowrite16(v,p) \ + ({ \ + if (__is_io_address(p)) { \ + __raw_writew((v), alignw(p)); \ + } else { \ + __raw_writew(cpu_to_le16(v), p); \ + } \ + }) + +#define iowrite32(v,p) \ + ({ \ + if (__is_io_address(p)) { \ + __raw_writel((v), p); \ + } else { \ + __raw_writel(cpu_to_le32(v), p); \ + } \ + }) + +#define ioport_map(port, nr) ___io(port) + +#define ioport_unmap(addr) +#else +#define __io(p) ((void __iomem *)((p)+IXP2000_PCI_IO_VIRT_BASE)) +#endif + + +#endif diff --git a/arch/arm/mach-ixp2000/include/mach/irqs.h b/arch/arm/mach-ixp2000/include/mach/irqs.h new file mode 100644 index 000000000000..bee96bcafdca --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/irqs.h @@ -0,0 +1,207 @@ +/* + * arch/arm/mach-ixp2000/include/mach/irqs.h + * + * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright (C) 2002 Intel Corp. + * 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 _IRQS_H +#define _IRQS_H + +/* + * Do NOT add #ifdef MACHINE_FOO in here. + * Simpy add your machine IRQs here and increase NR_IRQS if needed to + * hold your machine's IRQ table. + */ + +/* + * Some interrupt numbers go unused b/c the IRQ mask/ummask/status + * register has those bit reserved. We just mark those interrupts + * as invalid and this allows us to do mask/unmask with a single + * shift operation instead of having to map the IRQ number to + * a HW IRQ number. + */ +#define IRQ_IXP2000_SOFT_INT 0 /* soft interrupt */ +#define IRQ_IXP2000_ERRSUM 1 /* OR of all bits in ErrorStatus reg*/ +#define IRQ_IXP2000_UART 2 +#define IRQ_IXP2000_GPIO 3 +#define IRQ_IXP2000_TIMER1 4 +#define IRQ_IXP2000_TIMER2 5 +#define IRQ_IXP2000_TIMER3 6 +#define IRQ_IXP2000_TIMER4 7 +#define IRQ_IXP2000_PMU 8 +#define IRQ_IXP2000_SPF 9 /* Slow port framer IRQ */ +#define IRQ_IXP2000_DMA1 10 +#define IRQ_IXP2000_DMA2 11 +#define IRQ_IXP2000_DMA3 12 +#define IRQ_IXP2000_PCI_DOORBELL 13 +#define IRQ_IXP2000_ME_ATTN 14 +#define IRQ_IXP2000_PCI 15 /* PCI INTA or INTB */ +#define IRQ_IXP2000_THDA0 16 /* thread 0-31A */ +#define IRQ_IXP2000_THDA1 17 /* thread 32-63A, IXP2800 only */ +#define IRQ_IXP2000_THDA2 18 /* thread 64-95A */ +#define IRQ_IXP2000_THDA3 19 /* thread 96-127A, IXP2800 only */ +#define IRQ_IXP2000_THDB0 24 /* thread 0-31B */ +#define IRQ_IXP2000_THDB1 25 /* thread 32-63B, IXP2800 only */ +#define IRQ_IXP2000_THDB2 26 /* thread 64-95B */ +#define IRQ_IXP2000_THDB3 27 /* thread 96-127B, IXP2800 only */ + +/* define generic GPIOs */ +#define IRQ_IXP2000_GPIO0 32 +#define IRQ_IXP2000_GPIO1 33 +#define IRQ_IXP2000_GPIO2 34 +#define IRQ_IXP2000_GPIO3 35 +#define IRQ_IXP2000_GPIO4 36 +#define IRQ_IXP2000_GPIO5 37 +#define IRQ_IXP2000_GPIO6 38 +#define IRQ_IXP2000_GPIO7 39 + +/* split off the 2 PCI sources */ +#define IRQ_IXP2000_PCIA 40 +#define IRQ_IXP2000_PCIB 41 + +/* Int sources from IRQ_ERROR_STATUS */ +#define IRQ_IXP2000_DRAM0_MIN_ERR 42 +#define IRQ_IXP2000_DRAM0_MAJ_ERR 43 +#define IRQ_IXP2000_DRAM1_MIN_ERR 44 +#define IRQ_IXP2000_DRAM1_MAJ_ERR 45 +#define IRQ_IXP2000_DRAM2_MIN_ERR 46 +#define IRQ_IXP2000_DRAM2_MAJ_ERR 47 +/* 48-57 reserved */ +#define IRQ_IXP2000_SRAM0_ERR 58 +#define IRQ_IXP2000_SRAM1_ERR 59 +#define IRQ_IXP2000_SRAM2_ERR 60 +#define IRQ_IXP2000_SRAM3_ERR 61 +/* 62-65 reserved */ +#define IRQ_IXP2000_MEDIA_ERR 66 +#define IRQ_IXP2000_PCI_ERR 67 +#define IRQ_IXP2000_SP_INT 68 + +#define NR_IXP2000_IRQS 69 + +#define IXP2000_BOARD_IRQ(x) (NR_IXP2000_IRQS + (x)) + +#define IXP2000_BOARD_IRQ_MASK(irq) (1 << (irq - NR_IXP2000_IRQS)) + +#define IXP2000_ERR_IRQ_MASK(irq) ( 1 << (irq - IRQ_IXP2000_DRAM0_MIN_ERR)) +#define IXP2000_VALID_ERR_IRQ_MASK (\ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM0_MIN_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM0_MAJ_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM1_MIN_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM1_MAJ_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM2_MIN_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_DRAM2_MAJ_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM0_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM1_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM2_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SRAM3_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_MEDIA_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_PCI_ERR) | \ + IXP2000_ERR_IRQ_MASK(IRQ_IXP2000_SP_INT) ) + +/* + * This allows for all the on-chip sources plus up to 32 CPLD based + * IRQs. Should be more than enough. + */ +#define IXP2000_BOARD_IRQS 32 +#define NR_IRQS (NR_IXP2000_IRQS + IXP2000_BOARD_IRQS) + + +/* + * IXDP2400 specific IRQs + */ +#define IRQ_IXDP2400_INGRESS_NPU IXP2000_BOARD_IRQ(0) +#define IRQ_IXDP2400_ENET IXP2000_BOARD_IRQ(1) +#define IRQ_IXDP2400_MEDIA_PCI IXP2000_BOARD_IRQ(2) +#define IRQ_IXDP2400_MEDIA_SP IXP2000_BOARD_IRQ(3) +#define IRQ_IXDP2400_SF_PCI IXP2000_BOARD_IRQ(4) +#define IRQ_IXDP2400_SF_SP IXP2000_BOARD_IRQ(5) +#define IRQ_IXDP2400_PMC IXP2000_BOARD_IRQ(6) +#define IRQ_IXDP2400_TVM IXP2000_BOARD_IRQ(7) + +#define NR_IXDP2400_IRQS ((IRQ_IXDP2400_TVM)+1) +#define IXDP2400_NR_IRQS NR_IXDP2400_IRQS - NR_IXP2000_IRQS + +/* IXDP2800 specific IRQs */ +#define IRQ_IXDP2800_EGRESS_ENET IXP2000_BOARD_IRQ(0) +#define IRQ_IXDP2800_INGRESS_NPU IXP2000_BOARD_IRQ(1) +#define IRQ_IXDP2800_PMC IXP2000_BOARD_IRQ(2) +#define IRQ_IXDP2800_FABRIC_PCI IXP2000_BOARD_IRQ(3) +#define IRQ_IXDP2800_FABRIC IXP2000_BOARD_IRQ(4) +#define IRQ_IXDP2800_MEDIA IXP2000_BOARD_IRQ(5) + +#define NR_IXDP2800_IRQS ((IRQ_IXDP2800_MEDIA)+1) +#define IXDP2800_NR_IRQS NR_IXDP2800_IRQS - NR_IXP2000_IRQS + +/* + * IRQs on both IXDP2x01 boards + */ +#define IRQ_IXDP2X01_SPCI_DB_0 IXP2000_BOARD_IRQ(2) +#define IRQ_IXDP2X01_SPCI_DB_1 IXP2000_BOARD_IRQ(3) +#define IRQ_IXDP2X01_SPCI_PMC_INTA IXP2000_BOARD_IRQ(4) +#define IRQ_IXDP2X01_SPCI_PMC_INTB IXP2000_BOARD_IRQ(5) +#define IRQ_IXDP2X01_SPCI_PMC_INTC IXP2000_BOARD_IRQ(6) +#define IRQ_IXDP2X01_SPCI_PMC_INTD IXP2000_BOARD_IRQ(7) +#define IRQ_IXDP2X01_SPCI_FIC_INT IXP2000_BOARD_IRQ(8) +#define IRQ_IXDP2X01_IPMI_FROM IXP2000_BOARD_IRQ(16) +#define IRQ_IXDP2X01_125US IXP2000_BOARD_IRQ(17) +#define IRQ_IXDP2X01_DB_0_ADD IXP2000_BOARD_IRQ(18) +#define IRQ_IXDP2X01_DB_1_ADD IXP2000_BOARD_IRQ(19) +#define IRQ_IXDP2X01_UART1 IXP2000_BOARD_IRQ(21) +#define IRQ_IXDP2X01_UART2 IXP2000_BOARD_IRQ(22) +#define IRQ_IXDP2X01_FIC_ADD_INT IXP2000_BOARD_IRQ(24) +#define IRQ_IXDP2X01_CS8900 IXP2000_BOARD_IRQ(25) +#define IRQ_IXDP2X01_BBSRAM IXP2000_BOARD_IRQ(26) + +#define IXDP2X01_VALID_IRQ_MASK ( \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_DB_0) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_DB_1) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTA) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTB) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTC) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_PMC_INTD) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_SPCI_FIC_INT) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_IPMI_FROM) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_125US) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_DB_0_ADD) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_DB_1_ADD) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_UART1) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_UART2) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_FIC_ADD_INT) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_CS8900) | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2X01_BBSRAM) ) + +/* + * IXDP2401 specific IRQs + */ +#define IRQ_IXDP2401_INTA_82546 IXP2000_BOARD_IRQ(0) +#define IRQ_IXDP2401_INTB_82546 IXP2000_BOARD_IRQ(1) + +#define IXDP2401_VALID_IRQ_MASK ( \ + IXDP2X01_VALID_IRQ_MASK | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2401_INTA_82546) |\ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2401_INTB_82546)) + +/* + * IXDP2801-specific IRQs + */ +#define IRQ_IXDP2801_RIV IXP2000_BOARD_IRQ(0) +#define IRQ_IXDP2801_CNFG_MEDIA IXP2000_BOARD_IRQ(27) +#define IRQ_IXDP2801_CLOCK_REF IXP2000_BOARD_IRQ(28) + +#define IXDP2801_VALID_IRQ_MASK ( \ + IXDP2X01_VALID_IRQ_MASK | \ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_RIV) |\ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_CNFG_MEDIA) |\ + IXP2000_BOARD_IRQ_MASK(IRQ_IXDP2801_CLOCK_REF)) + +#define NR_IXDP2X01_IRQS ((IRQ_IXDP2801_CLOCK_REF) + 1) + +#endif /*_IRQS_H*/ diff --git a/arch/arm/mach-ixp2000/include/mach/ixdp2x00.h b/arch/arm/mach-ixp2000/include/mach/ixdp2x00.h new file mode 100644 index 000000000000..5df8479d9481 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/ixdp2x00.h @@ -0,0 +1,92 @@ +/* + * arch/arm/mach-ixp2000/include/mach/ixdp2x00.h + * + * Register and other defines for IXDP2[48]00 platforms + * + * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright (C) 2002 Intel Corp. + * 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 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#ifndef _IXDP2X00_H_ +#define _IXDP2X00_H_ + +/* + * On board CPLD memory map + */ +#define IXDP2X00_PHYS_CPLD_BASE 0xc7000000 +#define IXDP2X00_VIRT_CPLD_BASE 0xfe000000 +#define IXDP2X00_CPLD_SIZE 0x00100000 + + +#define IXDP2X00_CPLD_REG(x) \ + (volatile unsigned long *)(IXDP2X00_VIRT_CPLD_BASE | x) + +/* + * IXDP2400 CPLD registers + */ +#define IXDP2400_CPLD_SYSLED IXDP2X00_CPLD_REG(0x0) +#define IXDP2400_CPLD_DISP_DATA IXDP2X00_CPLD_REG(0x4) +#define IXDP2400_CPLD_CLOCK_SPEED IXDP2X00_CPLD_REG(0x8) +#define IXDP2400_CPLD_INT_STAT IXDP2X00_CPLD_REG(0xc) +#define IXDP2400_CPLD_REV IXDP2X00_CPLD_REG(0x10) +#define IXDP2400_CPLD_SYS_CLK_M IXDP2X00_CPLD_REG(0x14) +#define IXDP2400_CPLD_SYS_CLK_N IXDP2X00_CPLD_REG(0x18) +#define IXDP2400_CPLD_INT_MASK IXDP2X00_CPLD_REG(0x48) + +/* + * IXDP2800 CPLD registers + */ +#define IXDP2800_CPLD_INT_STAT IXDP2X00_CPLD_REG(0x0) +#define IXDP2800_CPLD_INT_MASK IXDP2X00_CPLD_REG(0x140) + + +#define IXDP2X00_GPIO_I2C_ENABLE 0x02 +#define IXDP2X00_GPIO_SCL 0x07 +#define IXDP2X00_GPIO_SDA 0x06 + +/* + * PCI devfns for on-board devices. We need these to be able to + * properly translate IRQs and for device removal. + */ +#define IXDP2400_SLAVE_ENET_DEVFN 0x18 /* Bus 1 */ +#define IXDP2400_MASTER_ENET_DEVFN 0x20 /* Bus 1 */ +#define IXDP2400_MEDIA_DEVFN 0x28 /* Bus 1 */ +#define IXDP2400_SWITCH_FABRIC_DEVFN 0x30 /* Bus 1 */ + +#define IXDP2800_SLAVE_ENET_DEVFN 0x20 /* Bus 1 */ +#define IXDP2800_MASTER_ENET_DEVFN 0x18 /* Bus 1 */ +#define IXDP2800_SWITCH_FABRIC_DEVFN 0x30 /* Bus 1 */ + +#define IXDP2X00_P2P_DEVFN 0x20 /* Bus 0 */ +#define IXDP2X00_21555_DEVFN 0x30 /* Bus 0 */ +#define IXDP2X00_SLAVE_NPU_DEVFN 0x28 /* Bus 1 */ +#define IXDP2X00_PMC_DEVFN 0x38 /* Bus 1 */ +#define IXDP2X00_MASTER_NPU_DEVFN 0x38 /* Bus 1 */ + +#ifndef __ASSEMBLY__ +/* + * The master NPU is always PCI master. + */ +static inline unsigned int ixdp2x00_master_npu(void) +{ + return !!ixp2000_is_pcimaster(); +} + +/* + * Helper functions used by ixdp2400 and ixdp2800 specific code + */ +void ixdp2x00_init_irq(volatile unsigned long*, volatile unsigned long *, unsigned long); +void ixdp2x00_slave_pci_postinit(void); +void ixdp2x00_init_machine(void); +void ixdp2x00_map_io(void); + +#endif + +#endif /*_IXDP2X00_H_ */ diff --git a/arch/arm/mach-ixp2000/include/mach/ixdp2x01.h b/arch/arm/mach-ixp2000/include/mach/ixdp2x01.h new file mode 100644 index 000000000000..4c1f04083e54 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/ixdp2x01.h @@ -0,0 +1,57 @@ +/* + * arch/arm/mach-ixp2000/include/mach/ixdp2x01.h + * + * Platform definitions for IXDP2X01 && IXDP2801 systems + * + * Author: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright 2004 (c) MontaVista Software, Inc. + * + * Based on original code Copyright (c) 2002-2003 Intel Corporation + * + * 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 __IXDP2X01_H__ +#define __IXDP2X01_H__ + +#define IXDP2X01_PHYS_CPLD_BASE 0xc6024000 +#define IXDP2X01_VIRT_CPLD_BASE 0xfe000000 +#define IXDP2X01_CPLD_REGION_SIZE 0x00100000 + +#define IXDP2X01_CPLD_VIRT_REG(reg) (volatile unsigned long*)(IXDP2X01_VIRT_CPLD_BASE | reg) +#define IXDP2X01_CPLD_PHYS_REG(reg) (IXDP2X01_PHYS_CPLD_BASE | reg) + +#define IXDP2X01_UART1_VIRT_BASE IXDP2X01_CPLD_VIRT_REG(0x40) +#define IXDP2X01_UART1_PHYS_BASE IXDP2X01_CPLD_PHYS_REG(0x40) + +#define IXDP2X01_UART2_VIRT_BASE IXDP2X01_CPLD_VIRT_REG(0x60) +#define IXDP2X01_UART2_PHYS_BASE IXDP2X01_CPLD_PHYS_REG(0x60) + +#define IXDP2X01_CS8900_VIRT_BASE IXDP2X01_CPLD_VIRT_REG(0x80) +#define IXDP2X01_CS8900_VIRT_END (IXDP2X01_CS8900_VIRT_BASE + 16) + +#define IXDP2X01_CPLD_RESET_REG IXDP2X01_CPLD_VIRT_REG(0x00) +#define IXDP2X01_INT_MASK_SET_REG IXDP2X01_CPLD_VIRT_REG(0x08) +#define IXDP2X01_INT_STAT_REG IXDP2X01_CPLD_VIRT_REG(0x0C) +#define IXDP2X01_INT_RAW_REG IXDP2X01_CPLD_VIRT_REG(0x10) +#define IXDP2X01_INT_MASK_CLR_REG IXDP2X01_INT_RAW_REG +#define IXDP2X01_INT_SIM_REG IXDP2X01_CPLD_VIRT_REG(0x14) + +#define IXDP2X01_CPLD_FLASH_REG IXDP2X01_CPLD_VIRT_REG(0x20) + +#define IXDP2X01_CPLD_FLASH_INTERN 0x8000 +#define IXDP2X01_CPLD_FLASH_BANK_MASK 0xF +#define IXDP2X01_FLASH_WINDOW_BITS 25 +#define IXDP2X01_FLASH_WINDOW_SIZE (1 << IXDP2X01_FLASH_WINDOW_BITS) +#define IXDP2X01_FLASH_WINDOW_MASK (IXDP2X01_FLASH_WINDOW_SIZE - 1) + +#define IXDP2X01_UART_CLK 1843200 + +#define IXDP2X01_GPIO_I2C_ENABLE 0x02 +#define IXDP2X01_GPIO_SCL 0x07 +#define IXDP2X01_GPIO_SDA 0x06 + +#endif /* __IXDP2x01_H__ */ diff --git a/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h b/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h new file mode 100644 index 000000000000..19d80379a3e3 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h @@ -0,0 +1,457 @@ +/* + * arch/arm/mach-ixp2000/include/mach/ixp2000-regs.h + * + * Chipset register definitions for IXP2400/2800 based systems. + * + * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> + * + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright (C) 2002 Intel Corp. + * 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 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ +#ifndef _IXP2000_REGS_H_ +#define _IXP2000_REGS_H_ + +/* + * IXP2000 linux memory map: + * + * virt phys size + * fb000000 db000000 16M PCI CFG1 + * fc000000 da000000 16M PCI CFG0 + * fd000000 d8000000 16M PCI I/O + * fe[0-7]00000 8M per-platform mappings + * fe900000 80000000 1M SRAM #0 (first MB) + * fea00000 cb400000 1M SCRATCH ring get/put + * feb00000 c8000000 1M MSF + * fec00000 df000000 1M PCI CSRs + * fed00000 de000000 1M PCI CREG + * fee00000 d6000000 1M INTCTL + * fef00000 c0000000 1M CAP + */ + +/* + * Static I/O regions. + * + * Most of the registers are clumped in 4K regions spread throughout + * the 0xc0000000 -> 0xc0100000 address range, but we just map in + * the whole range using a single 1 MB section instead of small + * 4K pages. This has two advantages for us: + * + * 1) We use only one TLB entry for large number of on-chip I/O devices. + * + * 2) We can easily set the Section attributes to XCB=101 on the IXP2400 + * as required per erratum #66. We accomplish this by using a + * new MT_IXP2000_DEVICE memory type with the bits set as required. + * + * CAP stands for CSR Access Proxy. + * + * If you change the virtual address of this mapping, please propagate + * the change to arch/arm/kernel/debug.S, which hardcodes the virtual + * address of the UART located in this region. + */ + +#define IXP2000_CAP_PHYS_BASE 0xc0000000 +#define IXP2000_CAP_VIRT_BASE 0xfef00000 +#define IXP2000_CAP_SIZE 0x00100000 + +/* + * Addresses for specific on-chip peripherals. + */ +#define IXP2000_SLOWPORT_CSR_VIRT_BASE 0xfef80000 +#define IXP2000_GLOBAL_REG_VIRT_BASE 0xfef04000 +#define IXP2000_UART_PHYS_BASE 0xc0030000 +#define IXP2000_UART_VIRT_BASE 0xfef30000 +#define IXP2000_TIMER_VIRT_BASE 0xfef20000 +#define IXP2000_UENGINE_CSR_VIRT_BASE 0xfef18000 +#define IXP2000_GPIO_VIRT_BASE 0xfef10000 + +/* + * Devices outside of the 0xc0000000 -> 0xc0100000 range. The virtual + * addresses of the INTCTL and PCI_CSR mappings are hardcoded in + * entry-macro.S, so if you ever change these please propagate + * the change. + */ +#define IXP2000_INTCTL_PHYS_BASE 0xd6000000 +#define IXP2000_INTCTL_VIRT_BASE 0xfee00000 +#define IXP2000_INTCTL_SIZE 0x00100000 + +#define IXP2000_PCI_CREG_PHYS_BASE 0xde000000 +#define IXP2000_PCI_CREG_VIRT_BASE 0xfed00000 +#define IXP2000_PCI_CREG_SIZE 0x00100000 + +#define IXP2000_PCI_CSR_PHYS_BASE 0xdf000000 +#define IXP2000_PCI_CSR_VIRT_BASE 0xfec00000 +#define IXP2000_PCI_CSR_SIZE 0x00100000 + +#define IXP2000_MSF_PHYS_BASE 0xc8000000 +#define IXP2000_MSF_VIRT_BASE 0xfeb00000 +#define IXP2000_MSF_SIZE 0x00100000 + +#define IXP2000_SCRATCH_RING_PHYS_BASE 0xcb400000 +#define IXP2000_SCRATCH_RING_VIRT_BASE 0xfea00000 +#define IXP2000_SCRATCH_RING_SIZE 0x00100000 + +#define IXP2000_SRAM0_PHYS_BASE 0x80000000 +#define IXP2000_SRAM0_VIRT_BASE 0xfe900000 +#define IXP2000_SRAM0_SIZE 0x00100000 + +#define IXP2000_PCI_IO_PHYS_BASE 0xd8000000 +#define IXP2000_PCI_IO_VIRT_BASE 0xfd000000 +#define IXP2000_PCI_IO_SIZE 0x01000000 + +#define IXP2000_PCI_CFG0_PHYS_BASE 0xda000000 +#define IXP2000_PCI_CFG0_VIRT_BASE 0xfc000000 +#define IXP2000_PCI_CFG0_SIZE 0x01000000 + +#define IXP2000_PCI_CFG1_PHYS_BASE 0xdb000000 +#define IXP2000_PCI_CFG1_VIRT_BASE 0xfb000000 +#define IXP2000_PCI_CFG1_SIZE 0x01000000 + +/* + * Timers + */ +#define IXP2000_TIMER_REG(x) ((volatile unsigned long*)(IXP2000_TIMER_VIRT_BASE | (x))) +/* Timer control */ +#define IXP2000_T1_CTL IXP2000_TIMER_REG(0x00) +#define IXP2000_T2_CTL IXP2000_TIMER_REG(0x04) +#define IXP2000_T3_CTL IXP2000_TIMER_REG(0x08) +#define IXP2000_T4_CTL IXP2000_TIMER_REG(0x0c) +/* Store initial value */ +#define IXP2000_T1_CLD IXP2000_TIMER_REG(0x10) +#define IXP2000_T2_CLD IXP2000_TIMER_REG(0x14) +#define IXP2000_T3_CLD IXP2000_TIMER_REG(0x18) +#define IXP2000_T4_CLD IXP2000_TIMER_REG(0x1c) +/* Read current value */ +#define IXP2000_T1_CSR IXP2000_TIMER_REG(0x20) +#define IXP2000_T2_CSR IXP2000_TIMER_REG(0x24) +#define IXP2000_T3_CSR IXP2000_TIMER_REG(0x28) +#define IXP2000_T4_CSR IXP2000_TIMER_REG(0x2c) +/* Clear associated timer interrupt */ +#define IXP2000_T1_CLR IXP2000_TIMER_REG(0x30) +#define IXP2000_T2_CLR IXP2000_TIMER_REG(0x34) +#define IXP2000_T3_CLR IXP2000_TIMER_REG(0x38) +#define IXP2000_T4_CLR IXP2000_TIMER_REG(0x3c) +/* Timer watchdog enable for T4 */ +#define IXP2000_TWDE IXP2000_TIMER_REG(0x40) + +#define WDT_ENABLE 0x00000001 +#define TIMER_DIVIDER_256 0x00000008 +#define TIMER_ENABLE 0x00000080 +#define IRQ_MASK_TIMER1 (1 << 4) + +/* + * Interrupt controller registers + */ +#define IXP2000_INTCTL_REG(x) (volatile unsigned long*)(IXP2000_INTCTL_VIRT_BASE | (x)) +#define IXP2000_IRQ_STATUS IXP2000_INTCTL_REG(0x08) +#define IXP2000_IRQ_ENABLE IXP2000_INTCTL_REG(0x10) +#define IXP2000_IRQ_ENABLE_SET IXP2000_INTCTL_REG(0x10) +#define IXP2000_IRQ_ENABLE_CLR IXP2000_INTCTL_REG(0x18) +#define IXP2000_FIQ_ENABLE_CLR IXP2000_INTCTL_REG(0x14) +#define IXP2000_IRQ_ERR_STATUS IXP2000_INTCTL_REG(0x24) +#define IXP2000_IRQ_ERR_ENABLE_SET IXP2000_INTCTL_REG(0x2c) +#define IXP2000_FIQ_ERR_ENABLE_CLR IXP2000_INTCTL_REG(0x30) +#define IXP2000_IRQ_ERR_ENABLE_CLR IXP2000_INTCTL_REG(0x34) +#define IXP2000_IRQ_THD_RAW_STATUS_A_0 IXP2000_INTCTL_REG(0x60) +#define IXP2000_IRQ_THD_RAW_STATUS_A_1 IXP2000_INTCTL_REG(0x64) +#define IXP2000_IRQ_THD_RAW_STATUS_A_2 IXP2000_INTCTL_REG(0x68) +#define IXP2000_IRQ_THD_RAW_STATUS_A_3 IXP2000_INTCTL_REG(0x6c) +#define IXP2000_IRQ_THD_RAW_STATUS_B_0 IXP2000_INTCTL_REG(0x80) +#define IXP2000_IRQ_THD_RAW_STATUS_B_1 IXP2000_INTCTL_REG(0x84) +#define IXP2000_IRQ_THD_RAW_STATUS_B_2 IXP2000_INTCTL_REG(0x88) +#define IXP2000_IRQ_THD_RAW_STATUS_B_3 IXP2000_INTCTL_REG(0x8c) +#define IXP2000_IRQ_THD_STATUS_A_0 IXP2000_INTCTL_REG(0xe0) +#define IXP2000_IRQ_THD_STATUS_A_1 IXP2000_INTCTL_REG(0xe4) +#define IXP2000_IRQ_THD_STATUS_A_2 IXP2000_INTCTL_REG(0xe8) +#define IXP2000_IRQ_THD_STATUS_A_3 IXP2000_INTCTL_REG(0xec) +#define IXP2000_IRQ_THD_STATUS_B_0 IXP2000_INTCTL_REG(0x100) +#define IXP2000_IRQ_THD_STATUS_B_1 IXP2000_INTCTL_REG(0x104) +#define IXP2000_IRQ_THD_STATUS_B_2 IXP2000_INTCTL_REG(0x108) +#define IXP2000_IRQ_THD_STATUS_B_3 IXP2000_INTCTL_REG(0x10c) +#define IXP2000_IRQ_THD_ENABLE_SET_A_0 IXP2000_INTCTL_REG(0x160) +#define IXP2000_IRQ_THD_ENABLE_SET_A_1 IXP2000_INTCTL_REG(0x164) +#define IXP2000_IRQ_THD_ENABLE_SET_A_2 IXP2000_INTCTL_REG(0x168) +#define IXP2000_IRQ_THD_ENABLE_SET_A_3 IXP2000_INTCTL_REG(0x16c) +#define IXP2000_IRQ_THD_ENABLE_SET_B_0 IXP2000_INTCTL_REG(0x180) +#define IXP2000_IRQ_THD_ENABLE_SET_B_1 IXP2000_INTCTL_REG(0x184) +#define IXP2000_IRQ_THD_ENABLE_SET_B_2 IXP2000_INTCTL_REG(0x188) +#define IXP2000_IRQ_THD_ENABLE_SET_B_3 IXP2000_INTCTL_REG(0x18c) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_0 IXP2000_INTCTL_REG(0x1e0) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_1 IXP2000_INTCTL_REG(0x1e4) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_2 IXP2000_INTCTL_REG(0x1e8) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_A_3 IXP2000_INTCTL_REG(0x1ec) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_0 IXP2000_INTCTL_REG(0x200) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_1 IXP2000_INTCTL_REG(0x204) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_2 IXP2000_INTCTL_REG(0x208) +#define IXP2000_IRQ_THD_ENABLE_CLEAR_B_3 IXP2000_INTCTL_REG(0x20c) + +/* + * Mask of valid IRQs in the 32-bit IRQ register. We use + * this to mark certain IRQs as being invalid. + */ +#define IXP2000_VALID_IRQ_MASK 0x0f0fffff + +/* + * PCI config register access from core + */ +#define IXP2000_PCI_CREG(x) (volatile unsigned long*)(IXP2000_PCI_CREG_VIRT_BASE | (x)) +#define IXP2000_PCI_CMDSTAT IXP2000_PCI_CREG(0x04) +#define IXP2000_PCI_CSR_BAR IXP2000_PCI_CREG(0x10) +#define IXP2000_PCI_SRAM_BAR IXP2000_PCI_CREG(0x14) +#define IXP2000_PCI_SDRAM_BAR IXP2000_PCI_CREG(0x18) + +/* + * PCI CSRs + */ +#define IXP2000_PCI_CSR(x) (volatile unsigned long*)(IXP2000_PCI_CSR_VIRT_BASE | (x)) + +/* + * PCI outbound interrupts + */ +#define IXP2000_PCI_OUT_INT_STATUS IXP2000_PCI_CSR(0x30) +#define IXP2000_PCI_OUT_INT_MASK IXP2000_PCI_CSR(0x34) +/* + * PCI communications + */ +#define IXP2000_PCI_MAILBOX0 IXP2000_PCI_CSR(0x50) +#define IXP2000_PCI_MAILBOX1 IXP2000_PCI_CSR(0x54) +#define IXP2000_PCI_MAILBOX2 IXP2000_PCI_CSR(0x58) +#define IXP2000_PCI_MAILBOX3 IXP2000_PCI_CSR(0x5C) +#define IXP2000_XSCALE_DOORBELL IXP2000_PCI_CSR(0x60) +#define IXP2000_XSCALE_DOORBELL_SETUP IXP2000_PCI_CSR(0x64) +#define IXP2000_PCI_DOORBELL IXP2000_PCI_CSR(0x70) +#define IXP2000_PCI_DOORBELL_SETUP IXP2000_PCI_CSR(0x74) + +/* + * DMA engines + */ +#define IXP2000_PCI_CH1_BYTE_CNT IXP2000_PCI_CSR(0x80) +#define IXP2000_PCI_CH1_ADDR IXP2000_PCI_CSR(0x84) +#define IXP2000_PCI_CH1_DRAM_ADDR IXP2000_PCI_CSR(0x88) +#define IXP2000_PCI_CH1_DESC_PTR IXP2000_PCI_CSR(0x8C) +#define IXP2000_PCI_CH1_CNTRL IXP2000_PCI_CSR(0x90) +#define IXP2000_PCI_CH1_ME_PARAM IXP2000_PCI_CSR(0x94) +#define IXP2000_PCI_CH2_BYTE_CNT IXP2000_PCI_CSR(0xA0) +#define IXP2000_PCI_CH2_ADDR IXP2000_PCI_CSR(0xA4) +#define IXP2000_PCI_CH2_DRAM_ADDR IXP2000_PCI_CSR(0xA8) +#define IXP2000_PCI_CH2_DESC_PTR IXP2000_PCI_CSR(0xAC) +#define IXP2000_PCI_CH2_CNTRL IXP2000_PCI_CSR(0xB0) +#define IXP2000_PCI_CH2_ME_PARAM IXP2000_PCI_CSR(0xB4) +#define IXP2000_PCI_CH3_BYTE_CNT IXP2000_PCI_CSR(0xC0) +#define IXP2000_PCI_CH3_ADDR IXP2000_PCI_CSR(0xC4) +#define IXP2000_PCI_CH3_DRAM_ADDR IXP2000_PCI_CSR(0xC8) +#define IXP2000_PCI_CH3_DESC_PTR IXP2000_PCI_CSR(0xCC) +#define IXP2000_PCI_CH3_CNTRL IXP2000_PCI_CSR(0xD0) +#define IXP2000_PCI_CH3_ME_PARAM IXP2000_PCI_CSR(0xD4) +#define IXP2000_DMA_INF_MODE IXP2000_PCI_CSR(0xE0) +/* + * Size masks for BARs + */ +#define IXP2000_PCI_SRAM_BASE_ADDR_MASK IXP2000_PCI_CSR(0xFC) +#define IXP2000_PCI_DRAM_BASE_ADDR_MASK IXP2000_PCI_CSR(0x100) +/* + * Control and uEngine related + */ +#define IXP2000_PCI_CONTROL IXP2000_PCI_CSR(0x13C) +#define IXP2000_PCI_ADDR_EXT IXP2000_PCI_CSR(0x140) +#define IXP2000_PCI_ME_PUSH_STATUS IXP2000_PCI_CSR(0x148) +#define IXP2000_PCI_ME_PUSH_EN IXP2000_PCI_CSR(0x14C) +#define IXP2000_PCI_ERR_STATUS IXP2000_PCI_CSR(0x150) +#define IXP2000_PCI_ERR_ENABLE IXP2000_PCI_CSR(0x154) +/* + * Inbound PCI interrupt control + */ +#define IXP2000_PCI_XSCALE_INT_STATUS IXP2000_PCI_CSR(0x158) +#define IXP2000_PCI_XSCALE_INT_ENABLE IXP2000_PCI_CSR(0x15C) + +#define IXP2000_PCICNTL_PNR (1<<17) /* PCI not Reset bit of PCI_CONTROL */ +#define IXP2000_PCICNTL_PCF (1<<28) /* PCI Central function bit */ +#define IXP2000_XSCALE_INT (1<<1) /* Interrupt from XScale to PCI */ + +/* These are from the IRQ register in the PCI ISR register */ +#define PCI_CONTROL_BE_DEO (1 << 22) /* Big Endian Data Enable Out */ +#define PCI_CONTROL_BE_DEI (1 << 21) /* Big Endian Data Enable In */ +#define PCI_CONTROL_BE_BEO (1 << 20) /* Big Endian Byte Enable Out */ +#define PCI_CONTROL_BE_BEI (1 << 19) /* Big Endian Byte Enable In */ +#define PCI_CONTROL_IEE (1 << 17) /* I/O cycle Endian swap Enable */ + +#define IXP2000_PCI_RST_REL (1 << 2) +#define CFG_RST_DIR (*IXP2000_PCI_CONTROL & IXP2000_PCICNTL_PCF) +#define CFG_PCI_BOOT_HOST (1 << 2) +#define CFG_BOOT_PROM (1 << 1) + +/* + * SlowPort CSRs + * + * The slowport is used to access things like flash, SONET framer control + * ports, slave microprocessors, CPLDs, and others of chip memory mapped + * peripherals. + */ +#define SLOWPORT_CSR(x) (volatile unsigned long*)(IXP2000_SLOWPORT_CSR_VIRT_BASE | (x)) + +#define IXP2000_SLOWPORT_CCR SLOWPORT_CSR(0x00) +#define IXP2000_SLOWPORT_WTC1 SLOWPORT_CSR(0x04) +#define IXP2000_SLOWPORT_WTC2 SLOWPORT_CSR(0x08) +#define IXP2000_SLOWPORT_RTC1 SLOWPORT_CSR(0x0c) +#define IXP2000_SLOWPORT_RTC2 SLOWPORT_CSR(0x10) +#define IXP2000_SLOWPORT_FSR SLOWPORT_CSR(0x14) +#define IXP2000_SLOWPORT_PCR SLOWPORT_CSR(0x18) +#define IXP2000_SLOWPORT_ADC SLOWPORT_CSR(0x1C) +#define IXP2000_SLOWPORT_FAC SLOWPORT_CSR(0x20) +#define IXP2000_SLOWPORT_FRM SLOWPORT_CSR(0x24) +#define IXP2000_SLOWPORT_FIN SLOWPORT_CSR(0x28) + +/* + * CCR values. + * The CCR configures the clock division for the slowport interface. + */ +#define SLOWPORT_CCR_DIV_1 0x00 +#define SLOWPORT_CCR_DIV_2 0x01 +#define SLOWPORT_CCR_DIV_4 0x02 +#define SLOWPORT_CCR_DIV_6 0x03 +#define SLOWPORT_CCR_DIV_8 0x04 +#define SLOWPORT_CCR_DIV_10 0x05 +#define SLOWPORT_CCR_DIV_12 0x06 +#define SLOWPORT_CCR_DIV_14 0x07 +#define SLOWPORT_CCR_DIV_16 0x08 +#define SLOWPORT_CCR_DIV_18 0x09 +#define SLOWPORT_CCR_DIV_20 0x0a +#define SLOWPORT_CCR_DIV_22 0x0b +#define SLOWPORT_CCR_DIV_24 0x0c +#define SLOWPORT_CCR_DIV_26 0x0d +#define SLOWPORT_CCR_DIV_28 0x0e +#define SLOWPORT_CCR_DIV_30 0x0f + +/* + * PCR values. PCR configure the mode of the interface. + */ +#define SLOWPORT_MODE_FLASH 0x00 +#define SLOWPORT_MODE_LUCENT 0x01 +#define SLOWPORT_MODE_PMC_SIERRA 0x02 +#define SLOWPORT_MODE_INTEL_UP 0x03 +#define SLOWPORT_MODE_MOTOROLA_UP 0x04 + +/* + * ADC values. Defines data and address bus widths. + */ +#define SLOWPORT_ADDR_WIDTH_8 0x00 +#define SLOWPORT_ADDR_WIDTH_16 0x01 +#define SLOWPORT_ADDR_WIDTH_24 0x02 +#define SLOWPORT_ADDR_WIDTH_32 0x03 +#define SLOWPORT_DATA_WIDTH_8 0x00 +#define SLOWPORT_DATA_WIDTH_16 0x10 +#define SLOWPORT_DATA_WIDTH_24 0x20 +#define SLOWPORT_DATA_WIDTH_32 0x30 + +/* + * Masks and shifts for various fields in the WTC and RTC registers. + */ +#define SLOWPORT_WRTC_MASK_HD 0x0003 +#define SLOWPORT_WRTC_MASK_PW 0x003c +#define SLOWPORT_WRTC_MASK_SU 0x03c0 + +#define SLOWPORT_WRTC_SHIFT_HD 0x00 +#define SLOWPORT_WRTC_SHIFT_SU 0x02 +#define SLOWPORT_WRTC_SHFIT_PW 0x06 + + +/* + * GPIO registers & GPIO interface. + */ +#define IXP2000_GPIO_REG(x) ((volatile unsigned long*)(IXP2000_GPIO_VIRT_BASE+(x))) +#define IXP2000_GPIO_PLR IXP2000_GPIO_REG(0x00) +#define IXP2000_GPIO_PDPR IXP2000_GPIO_REG(0x04) +#define IXP2000_GPIO_PDSR IXP2000_GPIO_REG(0x08) +#define IXP2000_GPIO_PDCR IXP2000_GPIO_REG(0x0c) +#define IXP2000_GPIO_POPR IXP2000_GPIO_REG(0x10) +#define IXP2000_GPIO_POSR IXP2000_GPIO_REG(0x14) +#define IXP2000_GPIO_POCR IXP2000_GPIO_REG(0x18) +#define IXP2000_GPIO_REDR IXP2000_GPIO_REG(0x1c) +#define IXP2000_GPIO_FEDR IXP2000_GPIO_REG(0x20) +#define IXP2000_GPIO_EDSR IXP2000_GPIO_REG(0x24) +#define IXP2000_GPIO_LSHR IXP2000_GPIO_REG(0x28) +#define IXP2000_GPIO_LSLR IXP2000_GPIO_REG(0x2c) +#define IXP2000_GPIO_LDSR IXP2000_GPIO_REG(0x30) +#define IXP2000_GPIO_INER IXP2000_GPIO_REG(0x34) +#define IXP2000_GPIO_INSR IXP2000_GPIO_REG(0x38) +#define IXP2000_GPIO_INCR IXP2000_GPIO_REG(0x3c) +#define IXP2000_GPIO_INST IXP2000_GPIO_REG(0x40) + +/* + * "Global" registers...whatever that's supposed to mean. + */ +#define GLOBAL_REG_BASE (IXP2000_GLOBAL_REG_VIRT_BASE + 0x0a00) +#define GLOBAL_REG(x) (volatile unsigned long*)(GLOBAL_REG_BASE | (x)) + +#define IXP2000_MAJ_PROD_TYPE_MASK 0x001F0000 +#define IXP2000_MAJ_PROD_TYPE_IXP2000 0x00000000 +#define IXP2000_MIN_PROD_TYPE_MASK 0x0000FF00 +#define IXP2000_MIN_PROD_TYPE_IXP2400 0x00000200 +#define IXP2000_MIN_PROD_TYPE_IXP2850 0x00000100 +#define IXP2000_MIN_PROD_TYPE_IXP2800 0x00000000 +#define IXP2000_MAJ_REV_MASK 0x000000F0 +#define IXP2000_MIN_REV_MASK 0x0000000F +#define IXP2000_PROD_ID_MASK 0xFFFFFFFF + +#define IXP2000_PRODUCT_ID GLOBAL_REG(0x00) +#define IXP2000_MISC_CONTROL GLOBAL_REG(0x04) +#define IXP2000_MSF_CLK_CNTRL GLOBAL_REG(0x08) +#define IXP2000_RESET0 GLOBAL_REG(0x0c) +#define IXP2000_RESET1 GLOBAL_REG(0x10) +#define IXP2000_CCR GLOBAL_REG(0x14) +#define IXP2000_STRAP_OPTIONS GLOBAL_REG(0x18) + +#define RSTALL (1 << 16) +#define WDT_RESET_ENABLE 0x01000000 + + +/* + * MSF registers. The IXP2400 and IXP2800 have somewhat different MSF + * units, but the registers that differ between the two don't overlap, + * so we can have one register list for both. + */ +#define IXP2000_MSF_REG(x) ((volatile unsigned long*)(IXP2000_MSF_VIRT_BASE + (x))) +#define IXP2000_MSF_RX_CONTROL IXP2000_MSF_REG(0x0000) +#define IXP2000_MSF_TX_CONTROL IXP2000_MSF_REG(0x0004) +#define IXP2000_MSF_INTERRUPT_STATUS IXP2000_MSF_REG(0x0008) +#define IXP2000_MSF_INTERRUPT_ENABLE IXP2000_MSF_REG(0x000c) +#define IXP2000_MSF_CSIX_TYPE_MAP IXP2000_MSF_REG(0x0010) +#define IXP2000_MSF_FC_EGRESS_STATUS IXP2000_MSF_REG(0x0014) +#define IXP2000_MSF_FC_INGRESS_STATUS IXP2000_MSF_REG(0x0018) +#define IXP2000_MSF_HWM_CONTROL IXP2000_MSF_REG(0x0024) +#define IXP2000_MSF_FC_STATUS_OVERRIDE IXP2000_MSF_REG(0x0028) +#define IXP2000_MSF_CLOCK_CONTROL IXP2000_MSF_REG(0x002c) +#define IXP2000_MSF_RX_PORT_MAP IXP2000_MSF_REG(0x0040) +#define IXP2000_MSF_RBUF_ELEMENT_DONE IXP2000_MSF_REG(0x0044) +#define IXP2000_MSF_RX_MPHY_POLL_LIMIT IXP2000_MSF_REG(0x0048) +#define IXP2000_MSF_RX_CALENDAR_LENGTH IXP2000_MSF_REG(0x0048) +#define IXP2000_MSF_RX_THREAD_FREELIST_TIMEOUT_0 IXP2000_MSF_REG(0x0050) +#define IXP2000_MSF_RX_THREAD_FREELIST_TIMEOUT_1 IXP2000_MSF_REG(0x0054) +#define IXP2000_MSF_RX_THREAD_FREELIST_TIMEOUT_2 IXP2000_MSF_REG(0x0058) +#define IXP2000_MSF_TX_SEQUENCE_0 IXP2000_MSF_REG(0x0060) +#define IXP2000_MSF_TX_SEQUENCE_1 IXP2000_MSF_REG(0x0064) +#define IXP2000_MSF_TX_SEQUENCE_2 IXP2000_MSF_REG(0x0068) +#define IXP2000_MSF_TX_MPHY_POLL_LIMIT IXP2000_MSF_REG(0x0070) +#define IXP2000_MSF_TX_CALENDAR_LENGTH IXP2000_MSF_REG(0x0070) +#define IXP2000_MSF_RX_UP_CONTROL_0 IXP2000_MSF_REG(0x0080) +#define IXP2000_MSF_RX_UP_CONTROL_1 IXP2000_MSF_REG(0x0084) +#define IXP2000_MSF_RX_UP_CONTROL_2 IXP2000_MSF_REG(0x0088) +#define IXP2000_MSF_RX_UP_CONTROL_3 IXP2000_MSF_REG(0x008c) +#define IXP2000_MSF_TX_UP_CONTROL_0 IXP2000_MSF_REG(0x0090) +#define IXP2000_MSF_TX_UP_CONTROL_1 IXP2000_MSF_REG(0x0094) +#define IXP2000_MSF_TX_UP_CONTROL_2 IXP2000_MSF_REG(0x0098) +#define IXP2000_MSF_TX_UP_CONTROL_3 IXP2000_MSF_REG(0x009c) +#define IXP2000_MSF_TRAIN_DATA IXP2000_MSF_REG(0x00a0) +#define IXP2000_MSF_TRAIN_CALENDAR IXP2000_MSF_REG(0x00a4) +#define IXP2000_MSF_TRAIN_FLOW_CONTROL IXP2000_MSF_REG(0x00a8) +#define IXP2000_MSF_TX_CALENDAR_0 IXP2000_MSF_REG(0x1000) +#define IXP2000_MSF_RX_PORT_CALENDAR_STATUS IXP2000_MSF_REG(0x1400) + + +#endif /* _IXP2000_H_ */ diff --git a/arch/arm/mach-ixp2000/include/mach/memory.h b/arch/arm/mach-ixp2000/include/mach/memory.h new file mode 100644 index 000000000000..241529a7c52d --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/memory.h @@ -0,0 +1,34 @@ +/* + * arch/arm/mach-ixp2000/include/mach/memory.h + * + * Copyright (c) 2002 Intel Corp. + * 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 as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x00000000) + +/* + * 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. + */ +#include <mach/ixp2000-regs.h> + +#define __virt_to_bus(v) \ + (((__virt_to_phys(v) - 0x0) + (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0))) + +#define __bus_to_virt(b) \ + __phys_to_virt((((b - (*IXP2000_PCI_SDRAM_BAR & 0xfffffff0)) + 0x0))) + +#endif + diff --git a/arch/arm/mach-ixp2000/include/mach/platform.h b/arch/arm/mach-ixp2000/include/mach/platform.h new file mode 100644 index 000000000000..42182c79ed90 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/platform.h @@ -0,0 +1,152 @@ +/* + * arch/arm/mach-ixp2000/include/mach/platform.h + * + * Various bits of code used by platform-level code. + * + * 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 __ASSEMBLY__ + +static inline unsigned long ixp2000_reg_read(volatile void *reg) +{ + return *((volatile unsigned long *)reg); +} + +static inline void ixp2000_reg_write(volatile void *reg, unsigned long val) +{ + *((volatile unsigned long *)reg) = val; +} + +/* + * On the IXP2400, we can't use XCB=000 due to chip bugs. We use + * XCB=101 instead, but that makes all I/O accesses bufferable. This + * is not a problem in general, but we do have to be slightly more + * careful because I/O writes are no longer automatically flushed out + * of the write buffer. + * + * In cases where we want to make sure that a write has been flushed + * out of the write buffer before we proceed, for example when masking + * a device interrupt before re-enabling IRQs in CPSR, we can use this + * function, ixp2000_reg_wrb, which performs a write, a readback, and + * issues a dummy instruction dependent on the value of the readback + * (mov rX, rX) to make sure that the readback has completed before we + * continue. + */ +static inline void ixp2000_reg_wrb(volatile void *reg, unsigned long val) +{ + unsigned long dummy; + + *((volatile unsigned long *)reg) = val; + + dummy = *((volatile unsigned long *)reg); + __asm__ __volatile__("mov %0, %0" : "+r" (dummy)); +} + +/* + * Boards may multiplex different devices on the 2nd channel of + * the slowport interface that each need different configuration + * settings. For example, the IXDP2400 uses channel 2 on the interface + * to access the CPLD, the switch fabric card, and the media card. Each + * one needs a different mode so drivers must save/restore the mode + * before and after each operation. + * + * acquire_slowport(&your_config); + * ... + * do slowport operations + * ... + * release_slowport(); + * + * Note that while you have the slowport, you are holding a spinlock, + * so your code should be written as if you explicitly acquired a lock. + * + * The configuration only affects device 2 on the slowport, so the + * MTD map driver does not acquire/release the slowport. + */ +struct slowport_cfg { + unsigned long CCR; /* Clock divide */ + unsigned long WTC; /* Write Timing Control */ + unsigned long RTC; /* Read Timing Control */ + unsigned long PCR; /* Protocol Control Register */ + unsigned long ADC; /* Address/Data Width Control */ +}; + + +void ixp2000_acquire_slowport(struct slowport_cfg *, struct slowport_cfg *); +void ixp2000_release_slowport(struct slowport_cfg *); + +/* + * IXP2400 A0/A1 and IXP2800 A0/A1/A2 have broken slowport that requires + * tweaking of addresses in the MTD driver. + */ +static inline unsigned ixp2000_has_broken_slowport(void) +{ + unsigned long id = *IXP2000_PRODUCT_ID; + unsigned long id_prod = id & (IXP2000_MAJ_PROD_TYPE_MASK | + IXP2000_MIN_PROD_TYPE_MASK); + return (((id_prod == + /* fixed in IXP2400-B0 */ + (IXP2000_MAJ_PROD_TYPE_IXP2000 | + IXP2000_MIN_PROD_TYPE_IXP2400)) && + ((id & IXP2000_MAJ_REV_MASK) == 0)) || + ((id_prod == + /* fixed in IXP2800-B0 */ + (IXP2000_MAJ_PROD_TYPE_IXP2000 | + IXP2000_MIN_PROD_TYPE_IXP2800)) && + ((id & IXP2000_MAJ_REV_MASK) == 0)) || + ((id_prod == + /* fixed in IXP2850-B0 */ + (IXP2000_MAJ_PROD_TYPE_IXP2000 | + IXP2000_MIN_PROD_TYPE_IXP2850)) && + ((id & IXP2000_MAJ_REV_MASK) == 0))); +} + +static inline unsigned int ixp2000_has_flash(void) +{ + return ((*IXP2000_STRAP_OPTIONS) & (CFG_BOOT_PROM)); +} + +static inline unsigned int ixp2000_is_pcimaster(void) +{ + return ((*IXP2000_STRAP_OPTIONS) & (CFG_PCI_BOOT_HOST)); +} + +void ixp2000_map_io(void); +void ixp2000_uart_init(void); +void ixp2000_init_irq(void); +void ixp2000_init_time(unsigned long); +unsigned long ixp2000_gettimeoffset(void); + +struct pci_sys_data; + +u32 *ixp2000_pci_config_addr(unsigned int bus, unsigned int devfn, int where); +void ixp2000_pci_preinit(void); +int ixp2000_pci_setup(int, struct pci_sys_data*); +struct pci_bus* ixp2000_pci_scan_bus(int, struct pci_sys_data*); +int ixp2000_pci_read_config(struct pci_bus*, unsigned int, int, int, u32 *); +int ixp2000_pci_write_config(struct pci_bus*, unsigned int, int, int, u32); + +/* + * Several of the IXP2000 systems have banked flash so we need to extend the + * flash_platform_data structure with some private pointers + */ +struct ixp2000_flash_data { + struct flash_platform_data *platform_data; + int nr_banks; + unsigned long (*bank_setup)(unsigned long); +}; + +struct ixp2000_i2c_pins { + unsigned long sda_pin; + unsigned long scl_pin; +}; + + +#endif /* !__ASSEMBLY__ */ diff --git a/arch/arm/mach-ixp2000/include/mach/system.h b/arch/arm/mach-ixp2000/include/mach/system.h new file mode 100644 index 000000000000..2e9c68f95a24 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/system.h @@ -0,0 +1,49 @@ +/* + * arch/arm/mach-ixp2000/include/mach/system.h + * + * Copyright (C) 2002 Intel Corp. + * Copyricht (C) 2003-2005 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. + */ + +#include <mach/hardware.h> +#include <asm/mach-types.h> + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode) +{ + local_irq_disable(); + + /* + * Reset flash banking register so that we are pointing at + * RedBoot bank. + */ + if (machine_is_ixdp2401()) { + ixp2000_reg_write(IXDP2X01_CPLD_FLASH_REG, + ((0 >> IXDP2X01_FLASH_WINDOW_BITS) + | IXDP2X01_CPLD_FLASH_INTERN)); + ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0xffffffff); + } + + /* + * On IXDP2801 we need to write this magic sequence to the CPLD + * to cause a complete reset of the CPU and all external devices + * and move the flash bank register back to 0. + */ + if (machine_is_ixdp2801() || machine_is_ixdp28x5()) { + unsigned long reset_reg = *IXDP2X01_CPLD_RESET_REG; + + reset_reg = 0x55AA0000 | (reset_reg & 0x0000FFFF); + ixp2000_reg_write(IXDP2X01_CPLD_RESET_REG, reset_reg); + ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0x80000000); + } + + ixp2000_reg_wrb(IXP2000_RESET0, RSTALL); +} diff --git a/arch/arm/mach-ixp2000/include/mach/timex.h b/arch/arm/mach-ixp2000/include/mach/timex.h new file mode 100644 index 000000000000..835e659f93d4 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/timex.h @@ -0,0 +1,13 @@ +/* + * arch/arm/mach-ixp2000/include/mach/timex.h + * + * IXP2000 architecture timex specifications + */ + + +/* + * Default clock is 50MHz APB, but platform code can override this + */ +#define CLOCK_TICK_RATE 50000000 + + diff --git a/arch/arm/mach-ixp2000/include/mach/uncompress.h b/arch/arm/mach-ixp2000/include/mach/uncompress.h new file mode 100644 index 000000000000..ce363087df78 --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/uncompress.h @@ -0,0 +1,47 @@ +/* + * arch/arm/mach-ixp2000/include/mach/uncompress.h + * + * + * Original Author: Naeem Afzal <naeem.m.afzal@intel.com> + * Maintainer: Deepak Saxena <dsaxena@plexity.net> + * + * Copyright 2002 Intel Corp. + * + * 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. + * + */ + +#include <linux/serial_reg.h> + +#define UART_BASE 0xc0030000 + +#define PHYS(x) ((volatile unsigned long *)(UART_BASE + x)) + +#define UARTDR PHYS(0x00) /* Transmit reg dlab=0 */ +#define UARTDLL PHYS(0x00) /* Divisor Latch reg dlab=1*/ +#define UARTDLM PHYS(0x04) /* Divisor Latch reg dlab=1*/ +#define UARTIER PHYS(0x04) /* Interrupt enable reg */ +#define UARTFCR PHYS(0x08) /* FIFO control reg dlab =0*/ +#define UARTLCR PHYS(0x0c) /* Control reg */ +#define UARTSR PHYS(0x14) /* Status reg */ + + +static inline void putc(int c) +{ + int j = 0x1000; + + while (--j && !(*UARTSR & UART_LSR_THRE)) + barrier(); + + *UARTDR = c; +} + +static inline void flush(void) +{ +} + +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/arch/arm/mach-ixp2000/include/mach/vmalloc.h b/arch/arm/mach-ixp2000/include/mach/vmalloc.h new file mode 100644 index 000000000000..d195e35aed3b --- /dev/null +++ b/arch/arm/mach-ixp2000/include/mach/vmalloc.h @@ -0,0 +1,20 @@ +/* + * arch/arm/mach-ixp2000/include/mach/vmalloc.h + * + * Author: Naeem Afzal <naeem.m.afzal@intel.com> + * + * Copyright 2002 Intel Corp. + * + * 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. + * + * 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_END 0xfb000000 diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c index 5f1068762979..c673b9ef9f69 100644 --- a/arch/arm/mach-ixp2000/ixdp2400.c +++ b/arch/arm/mach-ixp2000/ixdp2400.c @@ -31,7 +31,7 @@ #include <asm/pgtable.h> #include <asm/page.h> #include <asm/system.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/pci.h> diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c index 4c0f0ee63407..6715b50829a6 100644 --- a/arch/arm/mach-ixp2000/ixdp2800.c +++ b/arch/arm/mach-ixp2000/ixdp2800.c @@ -31,7 +31,7 @@ #include <asm/pgtable.h> #include <asm/page.h> #include <asm/system.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/pci.h> diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c index f378baed267f..5a781fd9757a 100644 --- a/arch/arm/mach-ixp2000/ixdp2x00.c +++ b/arch/arm/mach-ixp2000/ixdp2x00.c @@ -31,7 +31,7 @@ #include <asm/pgtable.h> #include <asm/page.h> #include <asm/system.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/pci.h> @@ -41,7 +41,7 @@ #include <asm/mach/flash.h> #include <asm/mach/arch.h> -#include <asm/arch/gpio.h> +#include <mach/gpio.h> /************************************************************************* diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c index 739a9e0965c6..78a2341dee2c 100644 --- a/arch/arm/mach-ixp2000/ixdp2x01.c +++ b/arch/arm/mach-ixp2000/ixdp2x01.c @@ -36,7 +36,7 @@ #include <asm/pgtable.h> #include <asm/page.h> #include <asm/system.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/pci.h> diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c index dd0eee2c4ccf..03d916fbe531 100644 --- a/arch/arm/mach-ixp2000/pci.c +++ b/arch/arm/mach-ixp2000/pci.c @@ -28,7 +28,7 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/system.h> -#include <asm/arch/hardware.h> +#include <mach/hardware.h> #include <asm/mach/pci.h> |