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authorStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 09:39:15 +0200
committerStefan Reinauer <stefan.reinauer@coreboot.org>2015-07-13 21:04:56 +0200
commit6cb3a59fd5e754c3627b79db21c5bcc284bfd721 (patch)
treee83db5b11ee4a29d496dcf2798d024b6b8455ab7 /src/arch/x86/pci_ops_conf1.c
parent9693885ad88d21ead7bd9ebc32f3e4901841b18b (diff)
x86: flatten hierarchy
It never made sense to have bootblock_* in init, but pirq_routing.c in boot, and some ld scripts on the main level while others live in subdirectories. This patch flattens the directory hierarchy and makes x86 more similar to the other architectures. Change-Id: I4056038fe7813e4d3d3042c441e7ab6076a36384 Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: http://review.coreboot.org/10901 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/arch/x86/pci_ops_conf1.c')
-rw-r--r--src/arch/x86/pci_ops_conf1.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/arch/x86/pci_ops_conf1.c b/src/arch/x86/pci_ops_conf1.c
new file mode 100644
index 0000000000..77df4b314f
--- /dev/null
+++ b/src/arch/x86/pci_ops_conf1.c
@@ -0,0 +1,71 @@
+#include <console/console.h>
+#include <arch/io.h>
+#include <arch/pciconf.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <device/pci_ops.h>
+/*
+ * Functions for accessing PCI configuration space with type 1 accesses
+ */
+
+#if !CONFIG_PCI_IO_CFG_EXT
+#define CONFIG_CMD(bus,devfn, where) (0x80000000 | (bus << 16) | \
+ (devfn << 8) | (where & ~3))
+#else
+#define CONFIG_CMD(bus,devfn, where) (0x80000000 | (bus << 16) | \
+ (devfn << 8) | ((where & 0xff) & ~3) |\
+ ((where & 0xf00)<<16))
+#endif
+
+static uint8_t pci_conf1_read_config8(struct bus *pbus, int bus, int devfn,
+ int where)
+{
+ outl(CONFIG_CMD(bus, devfn, where), 0xCF8);
+ return inb(0xCFC + (where & 3));
+}
+
+static uint16_t pci_conf1_read_config16(struct bus *pbus, int bus, int devfn,
+ int where)
+{
+ outl(CONFIG_CMD(bus, devfn, where), 0xCF8);
+ return inw(0xCFC + (where & 2));
+}
+
+static uint32_t pci_conf1_read_config32(struct bus *pbus, int bus, int devfn,
+ int where)
+{
+ outl(CONFIG_CMD(bus, devfn, where), 0xCF8);
+ return inl(0xCFC);
+}
+
+static void pci_conf1_write_config8(struct bus *pbus, int bus, int devfn,
+ int where, uint8_t value)
+{
+ outl(CONFIG_CMD(bus, devfn, where), 0xCF8);
+ outb(value, 0xCFC + (where & 3));
+}
+
+static void pci_conf1_write_config16(struct bus *pbus, int bus, int devfn,
+ int where, uint16_t value)
+{
+ outl(CONFIG_CMD(bus, devfn, where), 0xCF8);
+ outw(value, 0xCFC + (where & 2));
+}
+
+static void pci_conf1_write_config32(struct bus *pbus, int bus, int devfn,
+ int where, uint32_t value)
+{
+ outl(CONFIG_CMD(bus, devfn, where), 0xCF8);
+ outl(value, 0xCFC);
+}
+
+#undef CONFIG_CMD
+
+const struct pci_bus_operations pci_cf8_conf1 = {
+ .read8 = pci_conf1_read_config8,
+ .read16 = pci_conf1_read_config16,
+ .read32 = pci_conf1_read_config32,
+ .write8 = pci_conf1_write_config8,
+ .write16 = pci_conf1_write_config16,
+ .write32 = pci_conf1_write_config32,
+};