149 lines
5.4 KiB
C
149 lines
5.4 KiB
C
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/*
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* drivers/stm/pci-emiss.h
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*
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* Defines for the EMISS PCI cell on STMicro devices
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*
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* Copyright 2009 ST Microelectronics (R&D) Ltd.
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* Author: David J. McKay (david.mckay@st.com)
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the top level directory for more details.
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*
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*/
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#ifndef __PCI_EMISS_H__
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#define __PCI_EMISS_H__
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/* Controls various aspects of PCI. Since concievably other
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* drivers may want to to muck around with this stuff, should
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* this be in a separate driver?
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*/
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#define EMISS_CONFIG 0x1000
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#define EMISS_CONFIG_PCI_CLOCK_MASTER 0x1
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#define EMISS_CONFIG_PCI_HOST_NOT_DEVICE (0x1 << 5)
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#define EMISS_CONFIG_CLOCK_SELECT_MASK (0x3 << 1)
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#define EMISS_CONFIG_CLOCK_SELECT_PCI (0x2 << 1)
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#define EMISS_ARBITER_CONFIG 0x1004
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#define EMISS_ARBITER_CONFIG_SLAVE_NOTMASTER (1 << 0)
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#define EMISS_ARBITER_CONFIG_GRANT_RETRACTION (1 << 1)
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#define EMISS_ARBITER_CONFIG_BYPASS_ARBITER (1 << 2)
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#define EMISS_ARBITER_CONFIG_MASK_BUS_REQ0 (1 << 4)
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/* Can use req0 with following macro */
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#define EMISS_ARBITER_CONFIG_MASK_BUS_REQ(n) (1 << (4 + (n)))
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#define EMISS_ARBITER_CONFIG_BUS_REQ_ALL_MASKED (0xf << 4)
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#define EMISS_ARBITER_CONFIG_PCI_NOT_EMI (1 << 8)
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#define EMISS_ARBITER_CONFIG_BUS_FREE (1 << 9)
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#define EMISS_ARBITER_CONFIG_STATIC_NOT_DYNAMIC (1 << 12)
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#define EMISS_INTERFACE_EMI 0
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#define EMISS_INTERFACE_NAND 1
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#define EMISS_INTERFACE_PCI 2
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#define EMISS_INTERFACE_REQ0 3
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#define EMISS_INTERFACE_REQ1 4
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#define EMISS_INTERFACE_REQ2 5
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#define EMISS_INTERFACE_REQ3 6
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#define EMISS_FRAME_LENGTH(n) (0x1010 + ((n)*0x10))
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#define EMISS_HOLDOFF(n) (0x1014 + ((n)*0x10))
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#define EMISS_PRIORITY(n) (0x1018 + ((n)*0x10))
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#define EMISS_BANDWIDTH_LIMIT(n) (0x101c + ((n)*0x10))
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#define PCI_BRIDGE_CONFIG (0x1400 + 0x000)
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#define PCI_BRIDGE_CONFIG_RESET 0x2
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#define PCI_BRIDGE_CONFIG_HOST_NOT_DEVICE 0x1
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#define PCI_BRIDGE_CONFIG_WRAP_ENABLE_ALL (0xff << 24)
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#define PCI_BRIDGE_INT_DMA_ENABLE (0x1400 + 0x004)
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#define PCI_BRIDGE_INT_DMA_ENABLE_INT_ENABLE (1<<0)
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#define PCI_BRIDGE_INT_DMA_ENABLE_INT_UNDEF_FN_ENABLE (1<<24)
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#define PCI_BRIDGE_INT_DMA_STATUS (0x1400 + 0x008)
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#define PCI_BRIDGE_INT_DMA_CLEAR (0x1400 + 0x00c)
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#define PCI_TARGID_BARHIT (0x1400 + 0x010)
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#define PCI_INTERRUPT_OUT (0x1400 + 0x040)
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#define PCI_DEVICEINTMASK_INT_ENABLE (0x1400 + 0x044)
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#define PCI_DEVICEINTMASK_INT_STATUS (0x1400 + 0x048)
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#define PCI_DEVICEINTMASK_INT_CLEAR (0x1400 + 0x04c)
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#define PCI_PME_STATUSIN_STATEACK (0x1400 + 0x080)
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#define PCI_POWER_STATE (0x1400 + 0x084)
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#define PCI_PME_ENABLE_CLEAR (0x1400 + 0x088)
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#define PCI_PME_STATUSCHG_INT_ENABLE (0x1400 + 0x090)
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#define PCI_PME_STATUSCHG_INT_STATUS (0x1400 + 0x094)
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#define PCI_PME_STATUSCHG_INT_CLEAR (0x1400 + 0x098)
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#define PCI_PME_STATECHG_INT_ENABLE (0x1400 + 0x0a0)
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#define PCI_PME_STATECHG_INT_STATUS (0x1400 + 0x0a4)
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#define PCI_PME_STATECHG_INT_CLEAR (0x1400 + 0x0a8)
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#define PCI_BUFFADDR_FUNC(fn, m) (0x1400 + 0x100 + 0x20*(fn) + 0x04*(m))
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#define PCI_FUNC_BUFF_CONFIG(fn) (0x1400 + 0x100 + 0x20*(fn) + 0x08)
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#define PCI_FUNC_BUFF_CONFIG_ENABLE (1<<31)
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#define PCI_FUNC_BUFF_CONFIG_FUNC_ID(n) ((n)<<8)
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#define PCI_FUNC_BUFFDEPTH(fn) (0x1400 + 0x100 + 0x20*(fn) + 0x0c)
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#define PCI_CURADDRPTR_FUNC(fn) (0x1400 + 0x100 + 0x20*(fn) + 0x10)
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#define PCI_FRAME_ADDR (0x1400 + 0x200)
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#define PCI_FRAMEADDR_MASK (0x1400 + 0x204)
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#define PCI_BOOTCFG_ADDR (0x1400 + 0x300)
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#define PCI_BOOTCFG_DATA (0x1400 + 0x304)
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#define PCI_SD_CONFIG (0x1400 + 0x340)
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#define PCI_AD_CONFIG (0x1400 + 0x344)
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#define PCI_AD_CONFIG_THRESHOLD(n) (n)
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#define PCI_AD_CONFIG_CHUNKS_IN_MSG(n) ((n) << 4)
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#define PCI_AD_CONFIG_PCKS_IN_CHUNK(n) ((n) << 9)
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#define PCI_AD_CONFIG_TRIGGER_MODE(n) ((n) << 14)
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#define PCI_AD_CONFIG_POSTED(n) ((n) << 15)
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#define PCI_AD_CONFIG_MAX_OPCODE(n) ((n) << 16)
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#define PCI_AD_CONFIG_READ_AHEAD(n) ((n) << 21)
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#define PCI_AD_CONFIG_BUSY (1<<31)
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/* NEW BLOCK OF REGISTERS */
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#define PCI_CRP_ADDR 0x000
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#define PCI_CRP_ADDR_CRP_ADDRESS_MASK 0xff
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#define PCI_CRP_ADDR_CRP_FUNCTION_MASK (0x7<<8)
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#define PCI_CRP_ADDR_CRP_COMMAND_MASK (0xf<<16)
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#define PCI_CRP_ADDR_CRP_BYTE_ENABLE_MASK (0xf<<20) /* ACTIVE LOW!!! */
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#define PCI_CRP(addr, func, cmd, be) ((((addr) & 0xff) << 0) | \
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(((func) & 0x07) << 8) | \
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(((cmd) & 0x0f) << 16) | \
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(((be) & 0x0f) << 20))
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#define PCI_CRP_WR_DATA 0x004
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#define PCI_CRP_RD_DATA 0x008
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#define PCI_CSR_ADDR 0x00c
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#define PCI_CSR_BE_CMD 0x010
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#define PCI_CSR_BE_CMD_VAL(cmd, be) (((be) << 4) | (cmd))
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#define PCI_CSR_WR_DATA 0x014
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#define PCI_CSR_RD_DATA 0x018
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#define PCI_CSR_PCI_ERROR 0x01c
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#define PCI_CSR_PCI_ERROR_ADDR 0x020
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#define PCI_CSR_AHB_ERROR 0x024
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#define PCI_CSR_AHB_ERROR_ADDR 0x028
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#define PCI_CSR_FLUSH_PCI_FIFO 0x02c
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#define PCI_CSR_TAR 0x030
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#define PCI_CSR_MAS_ID 0x034
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/* The PCI COMMAND types, the CRP takes these directly */
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#define PCI_IO_READ 0x2
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#define PCI_IO_WRITE 0x3
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#define PCI_MEMORY_READ 0x6
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#define PCI_MEMORY_WRITE 0x7
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#define PCI_CONFIG_READ 0xa
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#define PCI_CONFIG_WRITE 0xb
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#define PCI_MEMORY_READ_LINE 0xe
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#define PCI_MEMORY_READ_MULTIPLE 0xc
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#define PCI_MEMORY_WRITE_INVALIDATE 0xf
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#endif
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