diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/ppmc7xx/pci.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/ppmc7xx/pci.c')
-rw-r--r-- | qemu/roms/u-boot/board/ppmc7xx/pci.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/ppmc7xx/pci.c b/qemu/roms/u-boot/board/ppmc7xx/pci.c new file mode 100644 index 000000000..d81a41aad --- /dev/null +++ b/qemu/roms/u-boot/board/ppmc7xx/pci.c @@ -0,0 +1,81 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling <fgottschling@eltec.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * PCI initialisation for the MPC10x. + */ + +#include <common.h> +#include <pci.h> +#include <mpc106.h> + +#ifdef CONFIG_PCI + +struct pci_controller local_hose; + +void pci_init_board(void) +{ + struct pci_controller* hose = (struct pci_controller *)&local_hose; + u16 reg16; + + hose->first_busno = 0; + hose->last_busno = 0xff; + + pci_set_region(hose->regions + 0, + CONFIG_SYS_PCI_MEMORY_BUS, + CONFIG_SYS_PCI_MEMORY_PHYS, + CONFIG_SYS_PCI_MEMORY_SIZE, + PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); + + /* PCI memory space */ + pci_set_region(hose->regions + 1, + CONFIG_SYS_PCI_MEM_BUS, + CONFIG_SYS_PCI_MEM_PHYS, + CONFIG_SYS_PCI_MEM_SIZE, + PCI_REGION_MEM); + + /* ISA/PCI memory space */ + pci_set_region(hose->regions + 2, + CONFIG_SYS_ISA_MEM_BUS, + CONFIG_SYS_ISA_MEM_PHYS, + CONFIG_SYS_ISA_MEM_SIZE, + PCI_REGION_MEM); + + /* PCI I/O space */ + pci_set_region(hose->regions + 3, + CONFIG_SYS_PCI_IO_BUS, + CONFIG_SYS_PCI_IO_PHYS, + CONFIG_SYS_PCI_IO_SIZE, + PCI_REGION_IO); + + /* ISA/PCI I/O space */ + pci_set_region(hose->regions + 4, + CONFIG_SYS_ISA_IO_BUS, + CONFIG_SYS_ISA_IO_PHYS, + CONFIG_SYS_ISA_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = 5; + + pci_setup_indirect(hose, + MPC106_REG_ADDR, + MPC106_REG_DATA); + + pci_register_hose(hose); + + hose->last_busno = pci_hose_scan(hose); + + /* Initialises the MPC10x PCI Configuration regs. */ + pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); + + /* Clear non-reserved bits in status register */ + pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); +} + +#endif /* CONFIG_PCI */ |