Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / x86 / lib / pci_type1.c

diff --git a/qemu/roms/u-boot/arch/x86/lib/pci_type1.c b/qemu/roms/u-boot/arch/x86/lib/pci_type1.c
new file mode 100644 (file)
index 0000000..13942a3
--- /dev/null
+++ b/qemu/roms/u-boot/arch/x86/lib/pci_type1.c
@@ -0,0 +1,53 @@
+/*
+ * (C) Copyright 2002
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+/*
+ * Support for type PCI configuration cycles.
+ * based on pci_indirect.c
+ */
+#include <common.h>
+#include <asm/io.h>
+#include <pci.h>
+
+#define cfg_read(val, addr, op)                (*val = op((int)(addr)))
+#define cfg_write(val, addr, op)       op((val), (int)(addr))
+
+#define TYPE1_PCI_OP(rw, size, type, op, mask)                         \
+static int                                                             \
+type1_##rw##_config_##size(struct pci_controller *hose,                        \
+                             pci_dev_t dev, int offset, type val)      \
+{                                                                      \
+       outl(dev | (offset & 0xfc) | 0x80000000, (int)hose->cfg_addr);  \
+       cfg_##rw(val, hose->cfg_data + (offset & mask), op);            \
+       return 0;                                                       \
+}
+
+TYPE1_PCI_OP(read, byte, u8 *, inb, 3)
+TYPE1_PCI_OP(read, word, u16 *, inw, 2)
+TYPE1_PCI_OP(read, dword, u32 *, inl, 0)
+
+TYPE1_PCI_OP(write, byte, u8, outb, 3)
+TYPE1_PCI_OP(write, word, u16, outw, 2)
+TYPE1_PCI_OP(write, dword, u32, outl, 0)
+
+/* bus mapping constants (used for PCI core initialization) */
+#define PCI_REG_ADDR           0x00000cf8
+#define PCI_REG_DATA           0x00000cfc
+
+void pci_setup_type1(struct pci_controller *hose)
+{
+       pci_set_ops(hose,
+                   type1_read_config_byte,
+                   type1_read_config_word,
+                   type1_read_config_dword,
+                   type1_write_config_byte,
+                   type1_write_config_word,
+                   type1_write_config_dword);
+
+       hose->cfg_addr = (unsigned int *)PCI_REG_ADDR;
+       hose->cfg_data = (unsigned char *)PCI_REG_DATA;
+}