| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Deepak Saxena | 660 | 75.09% | 2 | 20.00% |
| Krzysztof Hałasa | 123 | 13.99% | 3 | 30.00% |
| Kenneth Tan | 76 | 8.65% | 1 | 10.00% |
| George T. Joseph | 16 | 1.82% | 1 | 10.00% |
| Thomas Gleixner | 2 | 0.23% | 1 | 10.00% |
| David Vrabel | 1 | 0.11% | 1 | 10.00% |
| Arnd Bergmann | 1 | 0.11% | 1 | 10.00% |
| Total | 879 | 10 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/mach-ixp4xx/include/mach/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. */ #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 * * 0xC8000000 0x00013000 0xFEF00000 On-Chip Peripherals * * 0xC0000000 0x00001000 0xFEF13000 PCI CFG * * 0xC4000000 0x00001000 0xFEF14000 EXP CFG * * 0x60000000 0x00004000 0xFEF15000 QMgr */ /* * Queue Manager */ #define IXP4XX_QMGR_BASE_PHYS 0x60000000 /* * Peripheral space, including debug UART. Must be section-aligned so that * it can be used with the low-level debug code. */ #define IXP4XX_PERIPHERAL_BASE_PHYS 0xC8000000 #define IXP4XX_PERIPHERAL_BASE_VIRT IOMEM(0xFEF00000) #define IXP4XX_PERIPHERAL_REGION_SIZE 0x00013000 /* * PCI Config registers */ #define IXP4XX_PCI_CFG_BASE_PHYS 0xC0000000 #define IXP4XX_PCI_CFG_BASE_VIRT IOMEM(0xFEF13000) #define IXP4XX_PCI_CFG_REGION_SIZE 0x00001000 /* * Expansion BUS Configuration registers */ #define IXP4XX_EXP_CFG_BASE_PHYS 0xC4000000 #define IXP4XX_EXP_CFG_BASE_VIRT 0xFEF14000 #define IXP4XX_EXP_CFG_REGION_SIZE 0x00001000 #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 __iomem *)(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_NPEA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x6000) #define IXP4XX_NPEB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x7000) #define IXP4XX_NPEC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x8000) #define IXP4XX_EthB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x9000) #define IXP4XX_EthC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xA000) #define IXP4XX_USB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xB000) /* ixp46X only */ #define IXP4XX_EthA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xC000) #define IXP4XX_EthB1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xD000) #define IXP4XX_EthB2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xE000) #define IXP4XX_EthB3_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xF000) #define IXP4XX_TIMESYNC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x10000) #define IXP4XX_I2C_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x11000) #define IXP4XX_SSP_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x12000) #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_EthB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000) #define IXP4XX_EthC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000) #define IXP4XX_USB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000) /* ixp46X only */ #define IXP4XX_EthA_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xC000) #define IXP4XX_EthB1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xD000) #define IXP4XX_EthB2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xE000) #define IXP4XX_EthB3_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xF000) #define IXP4XX_TIMESYNC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x10000) #define IXP4XX_I2C_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x11000) #define IXP4XX_SSP_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000) /* * 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 #define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */ /* "fuse" bits of IXP_EXP_CFG2 */ /* All IXP4xx CPUs */ #define IXP4XX_FEATURE_RCOMP (1 << 0) #define IXP4XX_FEATURE_USB_DEVICE (1 << 1) #define IXP4XX_FEATURE_HASH (1 << 2) #define IXP4XX_FEATURE_AES (1 << 3) #define IXP4XX_FEATURE_DES (1 << 4) #define IXP4XX_FEATURE_HDLC (1 << 5) #define IXP4XX_FEATURE_AAL (1 << 6) #define IXP4XX_FEATURE_HSS (1 << 7) #define IXP4XX_FEATURE_UTOPIA (1 << 8) #define IXP4XX_FEATURE_NPEB_ETH0 (1 << 9) #define IXP4XX_FEATURE_NPEC_ETH (1 << 10) #define IXP4XX_FEATURE_RESET_NPEA (1 << 11) #define IXP4XX_FEATURE_RESET_NPEB (1 << 12) #define IXP4XX_FEATURE_RESET_NPEC (1 << 13) #define IXP4XX_FEATURE_PCI (1 << 14) #define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16) #define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22) #define IXP42X_FEATURE_MASK (IXP4XX_FEATURE_RCOMP | \ IXP4XX_FEATURE_USB_DEVICE | \ IXP4XX_FEATURE_HASH | \ IXP4XX_FEATURE_AES | \ IXP4XX_FEATURE_DES | \ IXP4XX_FEATURE_HDLC | \ IXP4XX_FEATURE_AAL | \ IXP4XX_FEATURE_HSS | \ IXP4XX_FEATURE_UTOPIA | \ IXP4XX_FEATURE_NPEB_ETH0 | \ IXP4XX_FEATURE_NPEC_ETH | \ IXP4XX_FEATURE_RESET_NPEA | \ IXP4XX_FEATURE_RESET_NPEB | \ IXP4XX_FEATURE_RESET_NPEC | \ IXP4XX_FEATURE_PCI | \ IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \ IXP4XX_FEATURE_XSCALE_MAX_FREQ) /* IXP43x/46x CPUs */ #define IXP4XX_FEATURE_ECC_TIMESYNC (1 << 15) #define IXP4XX_FEATURE_USB_HOST (1 << 18) #define IXP4XX_FEATURE_NPEA_ETH (1 << 19) #define IXP43X_FEATURE_MASK (IXP42X_FEATURE_MASK | \ IXP4XX_FEATURE_ECC_TIMESYNC | \ IXP4XX_FEATURE_USB_HOST | \ IXP4XX_FEATURE_NPEA_ETH) /* IXP46x CPU (including IXP455) only */ #define IXP4XX_FEATURE_NPEB_ETH_1_TO_3 (1 << 20) #define IXP4XX_FEATURE_RSA (1 << 21) #define IXP46X_FEATURE_MASK (IXP43X_FEATURE_MASK | \ IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \ IXP4XX_FEATURE_RSA) #endif
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