From: David van Moolenbroek Date: Wed, 7 Mar 2012 23:01:25 +0000 (+0100) Subject: drivers: slightly better use of PCI constants X-Git-Tag: v3.2.1~671 X-Git-Url: http://zhaoyanbai.com/repos/doc/verify-sign/verify.pl?a=commitdiff_plain;h=291ece0caa1148c6ea4005016e73f35108a344e1;p=minix.git drivers: slightly better use of PCI constants - introduce PCI_BAR_{IO|MEM}_MASK - remove redundant PCI definitions from lance - fix vbox BAR retrieval --- diff --git a/common/include/arch/i386/pci.h b/common/include/arch/i386/pci.h index 16113d837..5f190a91e 100644 --- a/common/include/arch/i386/pci.h +++ b/common/include/arch/i386/pci.h @@ -36,6 +36,8 @@ Created: Jan 2000 by Philip Homburg #define PCI_TYPE_32_1M 0x00000002 /* 32-bit below 1MB (legacy) */ #define PCI_TYPE_64 0x00000004 /* 64-bit BAR */ #define PCI_BAR_PREFETCH 0x00000008 /* Memory is prefetchable */ +#define PCI_BAR_IO_MASK 0xFFFFFFFC /* I/O address mask */ +#define PCI_BAR_MEM_MASK 0xFFFFFFF0 /* Memory address mask */ #define PCI_BAR_2 0x14 /* Base Address Register */ #define PCI_BAR_3 0x18 /* Base Address Register */ #define PCI_BAR_4 0x1C /* Base Address Register */ diff --git a/drivers/at_wini/at_wini.c b/drivers/at_wini/at_wini.c index e33dd5bb1..34e90f0d0 100644 --- a/drivers/at_wini/at_wini.c +++ b/drivers/at_wini/at_wini.c @@ -489,14 +489,14 @@ PRIVATE void init_params_pci(int skip) } } - base_dma = pci_attr_r32(devind, PCI_BAR_5) & 0xfffffffc; + base_dma = pci_attr_r32(devind, PCI_BAR_5) & PCI_BAR_IO_MASK; /* Primary channel not in compatability mode? */ if (quirk || (interface & ATA_IF_NOTCOMPAT1)) { u32_t base_cmd, base_ctl; - base_cmd = pci_attr_r32(devind, PCI_BAR) & 0xfffffffc; - base_ctl = pci_attr_r32(devind, PCI_BAR_2) & 0xfffffffc; + base_cmd = pci_attr_r32(devind, PCI_BAR) & PCI_BAR_IO_MASK; + base_ctl = pci_attr_r32(devind, PCI_BAR_2) & PCI_BAR_IO_MASK; if (base_cmd != REG_CMD_BASE0 && base_cmd != REG_CMD_BASE1) { init_drive(&wini[w_next_drive], base_cmd, base_ctl+PCI_CTL_OFF, @@ -529,8 +529,8 @@ PRIVATE void init_params_pci(int skip) if (quirk || (interface & ATA_IF_NOTCOMPAT2)) { u32_t base_cmd, base_ctl; - base_cmd = pci_attr_r32(devind, PCI_BAR_3) & 0xfffffffc; - base_ctl = pci_attr_r32(devind, PCI_BAR_4) & 0xfffffffc; + base_cmd = pci_attr_r32(devind, PCI_BAR_3) & PCI_BAR_IO_MASK; + base_ctl = pci_attr_r32(devind, PCI_BAR_4) & PCI_BAR_IO_MASK; if (base_dma != 0) base_dma += PCI_DMA_2ND_OFF; if (base_cmd != REG_CMD_BASE0 && base_cmd != REG_CMD_BASE1) { diff --git a/drivers/lance/lance.c b/drivers/lance/lance.c index 9ae0e7ccf..500d7d8d7 100644 --- a/drivers/lance/lance.c +++ b/drivers/lance/lance.c @@ -1360,21 +1360,20 @@ ether_card_t *ec; unsigned int membase, ioaddr; int reg, irq; - for (reg = PCI_BASE_ADDRESS_0; reg <= PCI_BASE_ADDRESS_5; reg += 4) + for (reg = PCI_BAR; reg <= PCI_BAR_6; reg += 4) { ioaddr = pci_attr_r32(devind, reg); - if ((ioaddr & PCI_BASE_ADDRESS_IO_MASK) == 0 - || (ioaddr & PCI_BASE_ADDRESS_SPACE_IO) == 0) + if ((ioaddr & PCI_BAR_IO_MASK) == 0 || (ioaddr & PCI_BAR_IO) == 0) continue; /* Strip the I/O address out of the returned value */ - ioaddr &= PCI_BASE_ADDRESS_IO_MASK; + ioaddr &= PCI_BAR_IO_MASK; /* Get the memory base address */ - membase = pci_attr_r32(devind, PCI_BASE_ADDRESS_1); + membase = pci_attr_r32(devind, PCI_BAR_2); /* KK: Get the IRQ number */ - irq = pci_attr_r8(devind, PCI_INTERRUPT_PIN); + irq = pci_attr_r8(devind, PCI_IPR); if (irq) - irq = pci_attr_r8(devind, PCI_INTERRUPT_LINE); + irq = pci_attr_r8(devind, PCI_ILR); ec->ec_linmem = membase; ec->ec_port = ioaddr; @@ -1413,8 +1412,8 @@ int skip; /* ===== Bus Master ? ===== */ pci_cmd = pci_attr_r32(devind, PCI_CR); - if (!(pci_cmd & PCI_COMMAND_MASTER)) { - pci_cmd |= PCI_COMMAND_MASTER; + if (!(pci_cmd & PCI_CR_MAST_EN)) { + pci_cmd |= PCI_CR_MAST_EN; pci_attr_w32(devind, PCI_CR, pci_cmd); } diff --git a/drivers/lance/lance.h b/drivers/lance/lance.h index 4e8a39ab6..6b79a35a7 100644 --- a/drivers/lance/lance.h +++ b/drivers/lance/lance.h @@ -1,21 +1,3 @@ -#include -#include - -/* PCI STUFF */ -#define PCI_BASE_ADDRESS_0 0x10 -#define PCI_BASE_ADDRESS_1 0x14 -#define PCI_BASE_ADDRESS_2 0x18 -#define PCI_BASE_ADDRESS_3 0x1c -#define PCI_BASE_ADDRESS_4 0x20 -#define PCI_BASE_ADDRESS_5 0x24 - -#define PCI_BASE_ADDRESS_IO_MASK (~0x03) -#define PCI_BASE_ADDRESS_SPACE_IO 0x01 -#define PCI_INTERRUPT_LINE 0x3c -#define PCI_INTERRUPT_PIN 0x3d - -#define PCI_COMMAND_MASTER 0x4 - /* macros for 'mode' */ #define EC_DISABLED 0x0 diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b9eb5f808..ff06e82de 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1291,8 +1291,8 @@ int last; pci_attr_w32(devind, reg, bar); pci_attr_w16(devind, PCI_CR, cmd); - bar &= ~(u32_t)3; /* Clear non-address bits */ - bar2 &= ~(u32_t)3; + bar &= PCI_BAR_IO_MASK; /* Clear non-address bits */ + bar2 &= PCI_BAR_IO_MASK; bar2= (~bar2 & 0xffff)+1; if (debug) { @@ -1379,8 +1379,8 @@ int last; return width; /* Reg. is not implemented */ prefetch= !!(bar & PCI_BAR_PREFETCH); - bar &= ~(u32_t)0xf; /* Clear non-address bits */ - bar2 &= ~(u32_t)0xf; + bar &= PCI_BAR_MEM_MASK; /* Clear non-address bits */ + bar2 &= PCI_BAR_MEM_MASK; bar2= (~bar2)+1; if (debug) { diff --git a/drivers/ti1225/ti1225.c b/drivers/ti1225/ti1225.c index 82ee8ed33..c2b0eaee0 100644 --- a/drivers/ti1225/ti1225.c +++ b/drivers/ti1225/ti1225.c @@ -161,7 +161,7 @@ PRIVATE void hw_init(struct port *pp, int devind) v32= pci_attr_r32(devind, TI_CB_BASEADDR); if (debug) printf("ti1225: Cardbus/ExCA base address 0x%x\n", v32); - v32 &= ~(u32_t)0xF; /* Clear low order bits in base */ + v32 &= PCI_BAR_MEM_MASK; /* Clear low order bits in base */ pp->csr_ptr= (struct csr *) vm_map_phys(SELF, (void *) v32, I386_PAGE_SIZE); diff --git a/drivers/vbox/vbox.c b/drivers/vbox/vbox.c index 24c8351a0..ac7ab532a 100644 --- a/drivers/vbox/vbox.c +++ b/drivers/vbox/vbox.c @@ -75,10 +75,10 @@ PRIVATE int vbox_init(int UNUSED(type), sef_init_info_t *UNUSED(info)) r = pci_next_dev(&devind, &vid, &did); } - port = pci_attr_r16(devind, PCI_BAR) & 0xfffc; - pci_reserve(devind); + port = pci_attr_r32(devind, PCI_BAR) & PCI_BAR_IO_MASK; + if ((vir_ptr = alloc_contig(VMMDEV_BUF_SIZE, 0, &phys_ptr)) == NULL) panic("unable to allocate memory");