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authorStefan Roese <sr@denx.de>2009-06-05 05:45:41 +0200
committerWolfgang Denk <wd@denx.de>2009-06-12 20:47:18 +0200
commitae7a2739d7a0704437376e229bb21940952c55be (patch)
treef8b1582a1c43af24a55f5a207816acad7a8d4d48
parente5b563e9ec54c3f6d702c8fa2b711b4a6150243a (diff)
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74xx_7xx: CPCI750: Enable access to PCI function > 0
The Marvell bridge 64360 supports serveral PCI functions, not only 0. This patch enables access to those functions. Signed-off-by: Stefan Roese <sr@denx.de> Cc: Reinhard Arlt <reinhard.arlt@esd-electronics.com>
-rw-r--r--board/esd/cpci750/cpci750.c16
-rw-r--r--board/esd/cpci750/pci.c14
2 files changed, 22 insertions, 8 deletions
diff --git a/board/esd/cpci750/cpci750.c b/board/esd/cpci750/cpci750.c
index fccdc52..4ac1ff4 100644
--- a/board/esd/cpci750/cpci750.c
+++ b/board/esd/cpci750/cpci750.c
@@ -187,6 +187,7 @@ original ppcboot 1.1.6 source end */
static void gt_pci_config (void)
{
unsigned int stat;
+ unsigned int data;
unsigned int val = 0x00fff864; /* DINK32: BusNum 23:16, DevNum 15:11, FuncNum 10:8, RegNum 7:2 */
/* In PCIX mode devices provide their own bus and device numbers. We query the Discovery II's
@@ -254,10 +255,15 @@ static void gt_pci_config (void)
/*ronen update the pci internal registers base address.*/
#ifdef MAP_PCI
- for (stat = 0; stat <= PCI_HOST1; stat++)
+ for (stat = 0; stat <= PCI_HOST1; stat++) {
+ data = pciReadConfigReg(stat,
+ PCI_INTERNAL_REGISTERS_MEMORY_MAPPED_BASE_ADDRESS,
+ SELF);
+ data = (data & 0x0f) | CONFIG_SYS_GT_REGS;
pciWriteConfigReg (stat,
PCI_INTERNAL_REGISTERS_MEMORY_MAPPED_BASE_ADDRESS,
- SELF, CONFIG_SYS_GT_REGS);
+ SELF, data);
+ }
#endif
}
@@ -451,9 +457,13 @@ int misc_init_r ()
void after_reloc (ulong dest_addr, gd_t * gd)
{
- memoryMapDeviceSpace (BOOT_DEVICE, CONFIG_SYS_BOOT_SPACE, CONFIG_SYS_BOOT_SIZE);
+ memoryMapDeviceSpace (BOOT_DEVICE, CONFIG_SYS_BOOT_SPACE,
+ CONFIG_SYS_BOOT_SIZE);
display_mem_map ();
+ GT_REG_WRITE (PCI_0BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
+ GT_REG_WRITE (PCI_1BASE_ADDRESS_REGISTERS_ENABLE, 0xfffffdfe);
+
/* now, jump to the main ppcboot board init code */
board_init_r (gd, dest_addr);
/* NOTREACHED */
diff --git a/board/esd/cpci750/pci.c b/board/esd/cpci750/pci.c
index bfc7e55..3b59b16 100644
--- a/board/esd/cpci750/pci.c
+++ b/board/esd/cpci750/pci.c
@@ -768,11 +768,12 @@ static int gt_read_config_dword (struct pci_controller *hose,
int bus = PCI_BUS (dev);
if ((bus == local_buses[0]) || (bus == local_buses[1])) {
- *value = pciReadConfigReg ((PCI_HOST) hose->cfg_addr, offset,
+ *value = pciReadConfigReg ((PCI_HOST) hose->cfg_addr,
+ offset | (PCI_FUNC(dev) << 8),
PCI_DEV (dev));
} else {
- *value = pciOverBridgeReadConfigReg ((PCI_HOST) hose->
- cfg_addr, offset,
+ *value = pciOverBridgeReadConfigReg ((PCI_HOST) hose->cfg_addr,
+ offset | (PCI_FUNC(dev) << 8),
PCI_DEV (dev), bus);
}
@@ -785,13 +786,16 @@ static int gt_write_config_dword (struct pci_controller *hose,
int bus = PCI_BUS (dev);
if ((bus == local_buses[0]) || (bus == local_buses[1])) {
- pciWriteConfigReg ((PCI_HOST) hose->cfg_addr, offset,
+ pciWriteConfigReg ((PCI_HOST) hose->cfg_addr,
+ offset | (PCI_FUNC(dev) << 8),
PCI_DEV (dev), value);
} else {
pciOverBridgeWriteConfigReg ((PCI_HOST) hose->cfg_addr,
- offset, PCI_DEV (dev), bus,
+ offset | (PCI_FUNC(dev) << 8),
+ PCI_DEV (dev), bus,
value);
}
+
return 0;
}