1 files changed, 306 insertions, 0 deletions

diff --git a/include/asm-arm/arch-ixp23xx/ixp23xx.h b/include/asm-arm/arch-ixp23xx/ixp23xx.h
new file mode 100644
index 000000000000..e49e1ca61b1a
--- /dev/null
+++ b/include/asm-arm/arch-ixp23xx/ixp23xx.h
@@ -0,0 +1,306 @@
+/*
+ * include/asm-arm/arch-ixp23xx/ixp23xx.h
+ *
+ * Register definitions for IXP23XX
+ *
+ * Copyright (C) 2003-2005 Intel Corporation.
+ * Copyright (C) 2005 MontaVista Software, Inc.
+ *
+ * Maintainer: Deepak Saxena <dsaxena@plexity.net>
+ *
+ * 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_IXP23XX_H
+#define __ASM_ARCH_IXP23XX_H
+
+/*
+ * IXP2300 linux memory map:
+ *
+ * virt         phys            size
+ * fffd0000     a0000000        64K             XSI2CPP_CSR
+ * fffc0000     c4000000        4K              EXP_CFG
+ * fff00000     c8000000        64K             PERIPHERAL
+ * fe000000     1c0000000       16M             CAP_CSR
+ * fd000000     1c8000000       16M             MSF_CSR
+ * fb000000                     16M             ---
+ * fa000000     1d8000000       32M             PCI_IO
+ * f8000000     1da000000       32M             PCI_CFG
+ * f6000000     1de000000       32M             PCI_CREG
+ * f4000000                     32M             ---
+ * f0000000     1e0000000       64M             PCI_MEM
+ * e[c-f]000000                                 per-platform mappings
+ */
+
+
+/****************************************************************************
+ * Static mappings.
+ ****************************************************************************/
+#define IXP23XX_XSI2CPP_CSR_PHYS        0xa0000000
+#define IXP23XX_XSI2CPP_CSR_VIRT        0xfffd0000
+#define IXP23XX_XSI2CPP_CSR_SIZE        0x00010000
+
+#define IXP23XX_EXP_CFG_PHYS            0xc4000000
+#define IXP23XX_EXP_CFG_VIRT            0xfffc0000
+#define IXP23XX_EXP_CFG_SIZE            0x00001000
+
+#define IXP23XX_PERIPHERAL_PHYS         0xc8000000
+#define IXP23XX_PERIPHERAL_VIRT         0xfff00000
+#define IXP23XX_PERIPHERAL_SIZE         0x00010000
+
+#define IXP23XX_CAP_CSR_PHYS            0x1c0000000ULL
+#define IXP23XX_CAP_CSR_VIRT            0xfe000000
+#define IXP23XX_CAP_CSR_SIZE            0x01000000
+
+#define IXP23XX_MSF_CSR_PHYS            0x1c8000000ULL
+#define IXP23XX_MSF_CSR_VIRT            0xfd000000
+#define IXP23XX_MSF_CSR_SIZE            0x01000000
+
+#define IXP23XX_PCI_IO_PHYS             0x1d8000000ULL
+#define IXP23XX_PCI_IO_VIRT             0xfa000000
+#define IXP23XX_PCI_IO_SIZE             0x02000000
+
+#define IXP23XX_PCI_CFG_PHYS            0x1da000000ULL
+#define IXP23XX_PCI_CFG_VIRT            0xf8000000
+#define IXP23XX_PCI_CFG_SIZE            0x02000000
+#define IXP23XX_PCI_CFG0_VIRT           IXP23XX_PCI_CFG_VIRT
+#define IXP23XX_PCI_CFG1_VIRT           (IXP23XX_PCI_CFG_VIRT + 0x01000000)
+
+#define IXP23XX_PCI_CREG_PHYS           0x1de000000ULL
+#define IXP23XX_PCI_CREG_VIRT           0xf6000000
+#define IXP23XX_PCI_CREG_SIZE           0x02000000
+#define IXP23XX_PCI_CSR_VIRT            (IXP23XX_PCI_CREG_VIRT + 0x01000000)
+
+#define IXP23XX_PCI_MEM_START           0xe0000000
+#define IXP23XX_PCI_MEM_PHYS            0x1e0000000ULL
+#define IXP23XX_PCI_MEM_VIRT            0xf0000000
+#define IXP23XX_PCI_MEM_SIZE            0x04000000
+
+
+/****************************************************************************
+ * XSI2CPP CSRs.
+ ****************************************************************************/
+#define IXP23XX_XSI2CPP_REG(x)          ((volatile unsigned long *)(IXP23XX_XSI2CPP_CSR_VIRT + (x)))
+#define IXP23XX_CPP2XSI_CURR_XFER_REG3  IXP23XX_XSI2CPP_REG(0xf8)
+#define IXP23XX_CPP2XSI_ADDR_31         (1 << 19)
+#define IXP23XX_CPP2XSI_PSH_OFF         (1 << 20)
+#define IXP23XX_CPP2XSI_COH_OFF         (1 << 21)
+
+
+/****************************************************************************
+ * Expansion Bus Config.
+ ****************************************************************************/
+#define IXP23XX_EXP_CFG_REG(x)          ((volatile unsigned long *)(IXP23XX_EXP_CFG_VIRT + (x)))
+#define IXP23XX_EXP_CS0                 IXP23XX_EXP_CFG_REG(0x00)
+#define IXP23XX_EXP_CS1                 IXP23XX_EXP_CFG_REG(0x04)
+#define IXP23XX_EXP_CS2                 IXP23XX_EXP_CFG_REG(0x08)
+#define IXP23XX_EXP_CS3                 IXP23XX_EXP_CFG_REG(0x0c)
+#define IXP23XX_EXP_CS4                 IXP23XX_EXP_CFG_REG(0x10)
+#define IXP23XX_EXP_CS5                 IXP23XX_EXP_CFG_REG(0x14)
+#define IXP23XX_EXP_CS6                 IXP23XX_EXP_CFG_REG(0x18)
+#define IXP23XX_EXP_CS7                 IXP23XX_EXP_CFG_REG(0x1c)
+#define IXP23XX_FLASH_WRITABLE          (0x2)
+#define IXP23XX_FLASH_BUS8              (0x1)
+
+#define IXP23XX_EXP_CFG0                IXP23XX_EXP_CFG_REG(0x20)
+#define IXP23XX_EXP_CFG1                IXP23XX_EXP_CFG_REG(0x24)
+#define IXP23XX_EXP_CFG0_MEM_MAP                (1 << 31)
+#define IXP23XX_EXP_CFG0_XSCALE_SPEED_SEL       (3 << 22)
+#define IXP23XX_EXP_CFG0_XSCALE_SPEED_EN        (1 << 21)
+#define IXP23XX_EXP_CFG0_CPP_SPEED_SEL          (3 << 19)
+#define IXP23XX_EXP_CFG0_CPP_SPEED_EN           (1 << 18)
+#define IXP23XX_EXP_CFG0_PCI_SWIN               (3 << 16)
+#define IXP23XX_EXP_CFG0_PCI_DWIN               (3 << 14)
+#define IXP23XX_EXP_CFG0_PCI33_MODE             (1 << 13)
+#define IXP23XX_EXP_CFG0_QDR_SPEED_SEL          (1 << 12)
+#define IXP23XX_EXP_CFG0_CPP_DIV_SEL            (1 << 5)
+#define IXP23XX_EXP_CFG0_XSI_NOT_PRES           (1 << 4)
+#define IXP23XX_EXP_CFG0_PROM_BOOT              (1 << 3)
+#define IXP23XX_EXP_CFG0_PCI_ARB                (1 << 2)
+#define IXP23XX_EXP_CFG0_PCI_HOST               (1 << 1)
+#define IXP23XX_EXP_CFG0_FLASH_WIDTH            (1 << 0)
+
+#define IXP23XX_EXP_UNIT_FUSE           IXP23XX_EXP_CFG_REG(0x28)
+#define IXP23XX_EXP_MSF_MUX             IXP23XX_EXP_CFG_REG(0x30)
+
+#define IXP23XX_EXP_BUS_PHYS            0x90000000
+#define IXP23XX_EXP_BUS_WINDOW_SIZE     0x01000000
+
+#define IXP23XX_EXP_BUS_CS0_BASE        (IXP23XX_EXP_BUS_PHYS + 0x00000000)
+#define IXP23XX_EXP_BUS_CS1_BASE        (IXP23XX_EXP_BUS_PHYS + 0x01000000)
+#define IXP23XX_EXP_BUS_CS2_BASE        (IXP23XX_EXP_BUS_PHYS + 0x02000000)
+#define IXP23XX_EXP_BUS_CS3_BASE        (IXP23XX_EXP_BUS_PHYS + 0x03000000)
+#define IXP23XX_EXP_BUS_CS4_BASE        (IXP23XX_EXP_BUS_PHYS + 0x04000000)
+#define IXP23XX_EXP_BUS_CS5_BASE        (IXP23XX_EXP_BUS_PHYS + 0x05000000)
+#define IXP23XX_EXP_BUS_CS6_BASE        (IXP23XX_EXP_BUS_PHYS + 0x06000000)
+#define IXP23XX_EXP_BUS_CS7_BASE        (IXP23XX_EXP_BUS_PHYS + 0x07000000)
+
+
+/****************************************************************************
+ * Peripherals.
+ ****************************************************************************/
+#define IXP23XX_UART1_VIRT              (IXP23XX_PERIPHERAL_VIRT + 0x0000)
+#define IXP23XX_UART2_VIRT              (IXP23XX_PERIPHERAL_VIRT + 0x1000)
+#define IXP23XX_PMU_VIRT                (IXP23XX_PERIPHERAL_VIRT + 0x2000)
+#define IXP23XX_INTC_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0x3000)
+#define IXP23XX_GPIO_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0x4000)
+#define IXP23XX_TIMER_VIRT              (IXP23XX_PERIPHERAL_VIRT + 0x5000)
+#define IXP23XX_NPE0_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0x6000)
+#define IXP23XX_DSR_VIRT                (IXP23XX_PERIPHERAL_VIRT + 0x7000)
+#define IXP23XX_NPE1_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0x8000)
+#define IXP23XX_ETH0_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0x9000)
+#define IXP23XX_ETH1_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0xA000)
+#define IXP23XX_GIG0_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0xB000)
+#define IXP23XX_GIG1_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0xC000)
+#define IXP23XX_DDRS_VIRT               (IXP23XX_PERIPHERAL_VIRT + 0xD000)
+
+#define IXP23XX_UART1_PHYS              (IXP23XX_PERIPHERAL_PHYS + 0x0000)
+#define IXP23XX_UART2_PHYS              (IXP23XX_PERIPHERAL_PHYS + 0x1000)
+#define IXP23XX_PMU_PHYS                (IXP23XX_PERIPHERAL_PHYS + 0x2000)
+#define IXP23XX_INTC_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0x3000)
+#define IXP23XX_GPIO_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0x4000)
+#define IXP23XX_TIMER_PHYS              (IXP23XX_PERIPHERAL_PHYS + 0x5000)
+#define IXP23XX_NPE0_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0x6000)
+#define IXP23XX_DSR_PHYS                (IXP23XX_PERIPHERAL_PHYS + 0x7000)
+#define IXP23XX_NPE1_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0x8000)
+#define IXP23XX_ETH0_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0x9000)
+#define IXP23XX_ETH1_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0xA000)
+#define IXP23XX_GIG0_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0xB000)
+#define IXP23XX_GIG1_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0xC000)
+#define IXP23XX_DDRS_PHYS               (IXP23XX_PERIPHERAL_PHYS + 0xD000)
+
+
+/****************************************************************************
+ * Interrupt controller.
+ ****************************************************************************/
+#define IXP23XX_INTC_REG(x)              ((volatile unsigned long *)(IXP23XX_INTC_VIRT + (x)))
+#define IXP23XX_INTR_ST1                IXP23XX_INTC_REG(0x00)
+#define IXP23XX_INTR_ST2                IXP23XX_INTC_REG(0x04)
+#define IXP23XX_INTR_ST3                IXP23XX_INTC_REG(0x08)
+#define IXP23XX_INTR_ST4                IXP23XX_INTC_REG(0x0c)
+#define IXP23XX_INTR_EN1                IXP23XX_INTC_REG(0x10)
+#define IXP23XX_INTR_EN2                IXP23XX_INTC_REG(0x14)
+#define IXP23XX_INTR_EN3                IXP23XX_INTC_REG(0x18)
+#define IXP23XX_INTR_EN4                IXP23XX_INTC_REG(0x1c)
+#define IXP23XX_INTR_SEL1               IXP23XX_INTC_REG(0x20)
+#define IXP23XX_INTR_SEL2               IXP23XX_INTC_REG(0x24)
+#define IXP23XX_INTR_SEL3               IXP23XX_INTC_REG(0x28)
+#define IXP23XX_INTR_SEL4               IXP23XX_INTC_REG(0x2c)
+#define IXP23XX_INTR_IRQ_ST1            IXP23XX_INTC_REG(0x30)
+#define IXP23XX_INTR_IRQ_ST2            IXP23XX_INTC_REG(0x34)
+#define IXP23XX_INTR_IRQ_ST3            IXP23XX_INTC_REG(0x38)
+#define IXP23XX_INTR_IRQ_ST4            IXP23XX_INTC_REG(0x3c)
+#define IXP23XX_INTR_IRQ_ENC_ST_OFFSET  0x54
+
+
+/****************************************************************************
+ * GPIO.
+ ****************************************************************************/
+#define IXP23XX_GPIO_REG(x)             ((volatile unsigned long *)(IXP23XX_GPIO_VIRT + (x)))
+#define IXP23XX_GPIO_GPOUTR             IXP23XX_GPIO_REG(0x00)
+#define IXP23XX_GPIO_GPOER              IXP23XX_GPIO_REG(0x04)
+#define IXP23XX_GPIO_GPINR              IXP23XX_GPIO_REG(0x08)
+#define IXP23XX_GPIO_GPISR              IXP23XX_GPIO_REG(0x0c)
+#define IXP23XX_GPIO_GPIT1R             IXP23XX_GPIO_REG(0x10)
+#define IXP23XX_GPIO_GPIT2R             IXP23XX_GPIO_REG(0x14)
+#define IXP23XX_GPIO_GPCLKR             IXP23XX_GPIO_REG(0x18)
+#define IXP23XX_GPIO_GPDBSELR           IXP23XX_GPIO_REG(0x1c)
+
+#define IXP23XX_GPIO_STYLE_MASK         0x7
+#define IXP23XX_GPIO_STYLE_ACTIVE_HIGH  0x0
+#define IXP23XX_GPIO_STYLE_ACTIVE_LOW   0x1
+#define IXP23XX_GPIO_STYLE_RISING_EDGE  0x2
+#define IXP23XX_GPIO_STYLE_FALLING_EDGE 0x3
+#define IXP23XX_GPIO_STYLE_TRANSITIONAL 0x4
+
+#define IXP23XX_GPIO_STYLE_SIZE         3
+
+
+/****************************************************************************
+ * Timer.
+ ****************************************************************************/
+#define IXP23XX_TIMER_REG(x)            ((volatile unsigned long *)(IXP23XX_TIMER_VIRT + (x)))
+#define IXP23XX_TIMER_CONT              IXP23XX_TIMER_REG(0x00)
+#define IXP23XX_TIMER1_TIMESTAMP        IXP23XX_TIMER_REG(0x04)
+#define IXP23XX_TIMER1_RELOAD           IXP23XX_TIMER_REG(0x08)
+#define IXP23XX_TIMER2_TIMESTAMP        IXP23XX_TIMER_REG(0x0c)
+#define IXP23XX_TIMER2_RELOAD           IXP23XX_TIMER_REG(0x10)
+#define IXP23XX_TIMER_WDOG              IXP23XX_TIMER_REG(0x14)
+#define IXP23XX_TIMER_WDOG_EN           IXP23XX_TIMER_REG(0x18)
+#define IXP23XX_TIMER_WDOG_KEY          IXP23XX_TIMER_REG(0x1c)
+#define IXP23XX_TIMER_WDOG_KEY_MAGIC    0x482e
+#define IXP23XX_TIMER_STATUS            IXP23XX_TIMER_REG(0x20)
+#define IXP23XX_TIMER_SOFT_RESET        IXP23XX_TIMER_REG(0x24)
+#define IXP23XX_TIMER_SOFT_RESET_EN     IXP23XX_TIMER_REG(0x28)
+
+#define IXP23XX_TIMER_ENABLE            (1 << 0)
+#define IXP23XX_TIMER_ONE_SHOT          (1 << 1)
+/* Low order bits of reload value ignored */
+#define IXP23XX_TIMER_RELOAD_MASK       (0x3)
+#define IXP23XX_TIMER_DISABLED          (0x0)
+#define IXP23XX_TIMER1_INT_PEND         (1 << 0)
+#define IXP23XX_TIMER2_INT_PEND         (1 << 1)
+#define IXP23XX_TIMER_STATUS_TS_PEND    (1 << 2)
+#define IXP23XX_TIMER_STATUS_WDOG_PEND  (1 << 3)
+#define IXP23XX_TIMER_STATUS_WARM_RESET (1 << 4)
+
+
+/****************************************************************************
+ * CAP CSRs.
+ ****************************************************************************/
+#define IXP23XX_GLOBAL_REG(x)           ((volatile unsigned long *)(IXP23XX_CAP_CSR_VIRT + 0x4a00 + (x)))
+#define IXP23XX_PROD_IDG                IXP23XX_GLOBAL_REG(0x00)
+#define IXP23XX_MISC_CONTROL            IXP23XX_GLOBAL_REG(0x04)
+#define IXP23XX_MSF_CLK_CNTRL           IXP23XX_GLOBAL_REG(0x08)
+#define IXP23XX_RESET0                  IXP23XX_GLOBAL_REG(0x0c)
+#define IXP23XX_RESET1                  IXP23XX_GLOBAL_REG(0x10)
+#define IXP23XX_STRAP_OPTIONS           IXP23XX_GLOBAL_REG(0x18)
+
+#define IXP23XX_ENABLE_WATCHDOG         (1 << 24)
+#define IXP23XX_SHPC_INIT_COMP          (1 << 21)
+#define IXP23XX_RST_ALL                 (1 << 16)
+#define IXP23XX_RESET_PCI               (1 << 2)
+#define IXP23XX_PCI_UNIT_RESET          (1 << 1)
+#define IXP23XX_XSCALE_RESET            (1 << 0)
+
+
+/****************************************************************************
+ * PCI CSRs.
+ ****************************************************************************/
+#define IXP23XX_PCI_CREG(x)             ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + (x)))
+#define IXP23XX_PCI_CMDSTAT             IXP23XX_PCI_CREG(0x04)
+#define IXP23XX_PCI_SRAM_BAR            IXP23XX_PCI_CREG(0x14)
+#define IXP23XX_PCI_SDRAM_BAR           IXP23XX_PCI_CREG(0x18)
+
+
+#define IXP23XX_PCI_CSR(x)              ((volatile unsigned long *)(IXP23XX_PCI_CREG_VIRT + 0x01000000 + (x)))
+#define IXP23XX_PCI_OUT_INT_STATUS      IXP23XX_PCI_CSR(0x0030)
+#define IXP23XX_PCI_OUT_INT_MASK        IXP23XX_PCI_CSR(0x0034)
+#define IXP23XX_PCI_SRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x00fc)
+#define IXP23XX_PCI_DRAM_BASE_ADDR_MASK IXP23XX_PCI_CSR(0x0100)
+#define IXP23XX_PCI_CONTROL             IXP23XX_PCI_CSR(0x013c)
+#define IXP23XX_PCI_ADDR_EXT            IXP23XX_PCI_CSR(0x0140)
+#define IXP23XX_PCI_ME_PUSH_STATUS      IXP23XX_PCI_CSR(0x0148)
+#define IXP23XX_PCI_ME_PUSH_EN          IXP23XX_PCI_CSR(0x014c)
+#define IXP23XX_PCI_ERR_STATUS          IXP23XX_PCI_CSR(0x0150)
+#define IXP23XX_PCI_ERROR_STATUS        IXP23XX_PCI_CSR(0x0150)
+#define IXP23XX_PCI_ERR_ENABLE          IXP23XX_PCI_CSR(0x0154)
+#define IXP23XX_PCI_XSCALE_INT_STATUS   IXP23XX_PCI_CSR(0x0158)
+#define IXP23XX_PCI_XSCALE_INT_ENABLE   IXP23XX_PCI_CSR(0x015c)
+#define IXP23XX_PCI_CPP_ADDR_BITS       IXP23XX_PCI_CSR(0x0160)
+
+
+#ifndef __ASSEMBLY__
+/*
+ * Is system memory on the XSI or CPP bus?
+ */
+static inline unsigned ixp23xx_cpp_boot(void)
+{
+        return (*IXP23XX_EXP_CFG0 & IXP23XX_EXP_CFG0_XSI_NOT_PRES);
+}
+#endif
+
+
+#endif