| /****************************************************************************/ |
| |
| /* |
| * m54xxpci.h -- ColdFire 547x and 548x PCI bus support |
| * |
| * (C) Copyright 2011, Greg Ungerer <[email protected]> |
| * |
| * 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 */ |
