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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/ppmc7xx/pci.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.c81
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, &reg16);
+ 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 */