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Diffstat (limited to '')
| -rw-r--r-- | arch/m68k/include/asm/m54xxpci.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/m54xxpci.h b/arch/m68k/include/asm/m54xxpci.h new file mode 100644 index 000000000..4687f5aa3 --- /dev/null +++ b/arch/m68k/include/asm/m54xxpci.h @@ -0,0 +1,138 @@ +/****************************************************************************/ + +/* + * 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 */ |