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/****************************************************************************/
/*
* m54xxpci.h -- ColdFire 547x and 548x PCI bus support
*
* (C) Copyright 2011, Greg Ungerer <gerg@uclinux.org>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
/****************************************************************************/
#ifndef M54XXPCI_H
#define M54XXPCI_H
/****************************************************************************/
/*
* The core set of PCI support registers are mapped into the MBAR region.
*/
#define PCIIDR (CONFIG_MBAR + 0xb00) /* PCI device/vendor ID */
#define PCISCR (CONFIG_MBAR + 0xb04) /* PCI status/command */
#define PCICCRIR (CONFIG_MBAR + 0xb08) /* PCI class/revision */
#define PCICR1 (CONFIG_MBAR + 0xb0c) /* PCI configuration 1 */
#define PCIBAR0 (CONFIG_MBAR + 0xb10) /* PCI base address 0 */
#define PCIBAR1 (CONFIG_MBAR + 0xb14) /* PCI base address 1 */
#define PCICCPR (CONFIG_MBAR + 0xb28) /* PCI cardbus CIS pointer */
#define PCISID (CONFIG_MBAR + 0xb2c) /* PCI subsystem IDs */
#define PCIERBAR (CONFIG_MBAR + 0xb30) /* PCI expansion ROM */
#define PCICPR (CONFIG_MBAR + 0xb34) /* PCI capabilities pointer */
#define PCICR2 (CONFIG_MBAR + 0xb3c) /* PCI configuration 2 */
#define PCIGSCR (CONFIG_MBAR + 0xb60) /* Global status/control */
#define PCITBATR0 (CONFIG_MBAR + 0xb64) /* Target base translation 0 */
#define PCITBATR1 (CONFIG_MBAR + 0xb68) /* Target base translation 1 */
#define PCITCR (CONFIG_MBAR + 0xb6c) /* Target control */
#define PCIIW0BTAR (CONFIG_MBAR + 0xb70) /* Initiator window 0 */
#define PCIIW1BTAR (CONFIG_MBAR + 0xb74) /* Initiator window 1 */
#define PCIIW2BTAR (CONFIG_MBAR + 0xb78) /* Initiator window 2 */
#define PCIIWCR (CONFIG_MBAR + 0xb80) /* Initiator window config */
#define PCIICR (CONFIG_MBAR + 0xb84) /* Initiator control */
#define PCIISR (CONFIG_MBAR + 0xb88) /* Initiator status */
#define PCICAR (CONFIG_MBAR + 0xbf8) /* Configuration address */
#define PCITPSR (CONFIG_MBAR + 0x8400) /* TX packet size */
#define PCITSAR (CONFIG_MBAR + 0x8404) /* TX start address */
#define PCITTCR (CONFIG_MBAR + 0x8408) /* TX transaction control */
#define PCITER (CONFIG_MBAR + 0x840c) /* TX enables */
#define PCITNAR (CONFIG_MBAR + 0x8410) /* TX next address */
#define PCITLWR (CONFIG_MBAR + 0x8414) /* TX last word */
#define PCITDCR (CONFIG_MBAR + 0x8418) /* TX done counts */
#define PCITSR (CONFIG_MBAR + 0x841c) /* TX status */
#define PCITFDR (CONFIG_MBAR + 0x8440) /* TX FIFO data */
#define PCITFSR (CONFIG_MBAR + 0x8444) /* TX FIFO status */
#define PCITFCR (CONFIG_MBAR + 0x8448) /* TX FIFO control */
#define PCITFAR (CONFIG_MBAR + 0x844c) /* TX FIFO alarm */
#define PCITFRPR (CONFIG_MBAR + 0x8450) /* TX FIFO read pointer */
#define PCITFWPR (CONFIG_MBAR + 0x8454) /* TX FIFO write pointer */
#define PCIRPSR (CONFIG_MBAR + 0x8480) /* RX packet size */
#define PCIRSAR (CONFIG_MBAR + 0x8484) /* RX start address */
#define PCIRTCR (CONFIG_MBAR + 0x8488) /* RX transaction control */
#define PCIRER (CONFIG_MBAR + 0x848c) /* RX enables */
#define PCIRNAR (CONFIG_MBAR + 0x8490) /* RX next address */
#define PCIRDCR (CONFIG_MBAR + 0x8498) /* RX done counts */
#define PCIRSR (CONFIG_MBAR + 0x849c) /* RX status */
#define PCIRFDR (CONFIG_MBAR + 0x84c0) /* RX FIFO data */
#define PCIRFSR (CONFIG_MBAR + 0x84c4) /* RX FIFO status */
#define PCIRFCR (CONFIG_MBAR + 0x84c8) /* RX FIFO control */
#define PCIRFAR (CONFIG_MBAR + 0x84cc) /* RX FIFO alarm */
#define PCIRFRPR (CONFIG_MBAR + 0x84d0) /* RX FIFO read pointer */
#define PCIRFWPR (CONFIG_MBAR + 0x84d4) /* RX FIFO write pointer */
#define PACR (CONFIG_MBAR + 0xc00) /* PCI arbiter control */
#define PASR (CONFIG_MBAR + 0xc04) /* PCI arbiter status */
/*
* Definitions for the Global status and control register.
*/
#define PCIGSCR_PE 0x20000000 /* Parity error detected */
#define PCIGSCR_SE 0x10000000 /* System error detected */
#define PCIGSCR_XCLKBIN 0x07000000 /* XLB2CLKIN mask */
#define PCIGSCR_PEE 0x00002000 /* Parity error intr enable */
#define PCIGSCR_SEE 0x00001000 /* System error intr enable */
#define PCIGSCR_RESET 0x00000001 /* Reset bit */
/*
* Bit definitions for the PCICAR configuration address register.
*/
#define PCICAR_E 0x80000000 /* Enable config space */
#define PCICAR_BUSN 16 /* Move bus bits */
#define PCICAR_DEVFNN 8 /* Move devfn bits */
#define PCICAR_DWORDN 0 /* Move dword bits */
/*
* The initiator windows hold the memory and IO mapping information.
* This macro creates the register values from the desired addresses.
*/
#define WXBTAR(hostaddr, pciaddr, size) \
(((hostaddr) & 0xff000000) | \
((((size) - 1) & 0xff000000) >> 8) | \
(((pciaddr) & 0xff000000) >> 16))
#define PCIIWCR_W0_MEM 0x00000000 /* Window 0 is memory */
#define PCIIWCR_W0_IO 0x08000000 /* Window 0 is IO */
#define PCIIWCR_W0_MRD 0x00000000 /* Window 0 memory read */
#define PCIIWCR_W0_MRDL 0x02000000 /* Window 0 memory read line */
#define PCIIWCR_W0_MRDM 0x04000000 /* Window 0 memory read mult */
#define PCIIWCR_W0_E 0x01000000 /* Window 0 enable */
#define PCIIWCR_W1_MEM 0x00000000 /* Window 0 is memory */
#define PCIIWCR_W1_IO 0x00080000 /* Window 0 is IO */
#define PCIIWCR_W1_MRD 0x00000000 /* Window 0 memory read */
#define PCIIWCR_W1_MRDL 0x00020000 /* Window 0 memory read line */
#define PCIIWCR_W1_MRDM 0x00040000 /* Window 0 memory read mult */
#define PCIIWCR_W1_E 0x00010000 /* Window 0 enable */
/*
* Bit definitions for the PCIBATR registers.
*/
#define PCITBATR0_E 0x00000001 /* Enable window 0 */
#define PCITBATR1_E 0x00000001 /* Enable window 1 */
/*
* PCI arbiter support definitions and macros.
*/
#define PACR_INTMPRI 0x00000001
#define PACR_EXTMPRI(x) (((x) & 0x1f) << 1)
#define PACR_INTMINTE 0x00010000
#define PACR_EXTMINTE(x) (((x) & 0x1f) << 17)
#define PACR_PKMD 0x40000000
#define PACR_DS 0x80000000
#define PCICR1_CL(x) ((x) & 0xf) /* Cacheline size field */
#define PCICR1_LT(x) (((x) & 0xff) << 8) /* Latency timer field */
/****************************************************************************/
#endif /* M54XXPCI_H */
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