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| author | Stefan Roese <sr@denx.de> | 2009-06-05 05:45:41 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-06-12 20:47:18 +0200 |
| commit | ae7a2739d7a0704437376e229bb21940952c55be (patch) | |
| tree | f8b1582a1c43af24a55f5a207816acad7a8d4d48 | |
| parent | e5b563e9ec54c3f6d702c8fa2b711b4a6150243a (diff) | |
| download | u-boot-imx-ae7a2739d7a0704437376e229bb21940952c55be.zip u-boot-imx-ae7a2739d7a0704437376e229bb21940952c55be.tar.gz u-boot-imx-ae7a2739d7a0704437376e229bb21940952c55be.tar.bz2 | |
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.c | 16 | ||||
| -rw-r--r-- | board/esd/cpci750/pci.c | 14 |
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; } |