aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-parisc/pci.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-parisc/pci.h')
-rw-r--r--include/asm-parisc/pci.h17
1 files changed, 13 insertions, 4 deletions
diff --git a/include/asm-parisc/pci.h b/include/asm-parisc/pci.h
index f277254159b7..fe7f6a2f5aa7 100644
--- a/include/asm-parisc/pci.h
+++ b/include/asm-parisc/pci.h
@@ -18,6 +18,18 @@
18*/ 18*/
19#define PCI_MAX_BUSSES 256 19#define PCI_MAX_BUSSES 256
20 20
21
22/* To be used as: mdelay(pci_post_reset_delay);
23 *
24 * post_reset is the time the kernel should stall to prevent anyone from
25 * accessing the PCI bus once #RESET is de-asserted.
26 * PCI spec somewhere says 1 second but with multi-PCI bus systems,
27 * this makes the boot time much longer than necessary.
28 * 20ms seems to work for all the HP PCI implementations to date.
29 */
30#define pci_post_reset_delay 50
31
32
21/* 33/*
22** pci_hba_data (aka H2P_OBJECT in HP/UX) 34** pci_hba_data (aka H2P_OBJECT in HP/UX)
23** 35**
@@ -83,7 +95,7 @@ static __inline__ int pci_is_lmmio(struct pci_hba_data *hba, unsigned long a)
83 95
84/* 96/*
85** Convert between PCI (IO_VIEW) addresses and processor (PA_VIEW) addresses. 97** Convert between PCI (IO_VIEW) addresses and processor (PA_VIEW) addresses.
86** See pcibios.c for more conversions used by Generic PCI code. 98** See pci.c for more conversions used by Generic PCI code.
87** 99**
88** Platform characteristics/firmware guarantee that 100** Platform characteristics/firmware guarantee that
89** (1) PA_VIEW - IO_VIEW = lmmio_offset for both LMMIO and ELMMIO 101** (1) PA_VIEW - IO_VIEW = lmmio_offset for both LMMIO and ELMMIO
@@ -191,9 +203,6 @@ struct pci_bios_ops {
191*/ 203*/
192extern struct pci_port_ops *pci_port; 204extern struct pci_port_ops *pci_port;
193extern struct pci_bios_ops *pci_bios; 205extern struct pci_bios_ops *pci_bios;
194extern int pci_post_reset_delay; /* delay after de-asserting #RESET */
195extern int pci_hba_count;
196extern struct pci_hba_data *parisc_pci_hba[];
197 206
198#ifdef CONFIG_PCI 207#ifdef CONFIG_PCI
199extern void pcibios_register_hba(struct pci_hba_data *); 208extern void pcibios_register_hba(struct pci_hba_data *);