aboutsummaryrefslogtreecommitdiff
path: root/src/northbridge/via/vx900/pci_util.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/northbridge/via/vx900/pci_util.c')
-rw-r--r--src/northbridge/via/vx900/pci_util.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/northbridge/via/vx900/pci_util.c b/src/northbridge/via/vx900/pci_util.c
new file mode 100644
index 0000000000..18d4c114e1
--- /dev/null
+++ b/src/northbridge/via/vx900/pci_util.c
@@ -0,0 +1,66 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "vx900.h"
+
+void dump_pci_device(device_t dev)
+{
+ int i;
+ for (i = 0; i <= 0xff; i++) {
+ unsigned char val;
+ if ((i & 0x0f) == 0)
+ printk(BIOS_DEBUG, "%.2x:", i);
+
+ if ((i & 0x0f) == 0x08)
+ printk(BIOS_DEBUG, " |");
+
+ val = pci_read_config8(dev, i);
+ printk(BIOS_DEBUG, " %.2x", val);
+
+ if ((i & 0x0f) == 0x0f)
+ printk(BIOS_DEBUG, "\n");
+ }
+}
+
+void pci_mod_config8(device_t dev, unsigned int where,
+ uint8_t clr_mask, uint8_t set_mask)
+{
+ uint8_t reg8 = pci_read_config8(dev, where);
+ reg8 &= ~clr_mask;
+ reg8 |= set_mask;
+ pci_write_config8(dev, where, reg8);
+}
+
+void pci_mod_config16(device_t dev, unsigned int where,
+ uint16_t clr_mask, uint16_t set_mask)
+{
+ uint16_t reg16 = pci_read_config16(dev, where);
+ reg16 &= ~clr_mask;
+ reg16 |= set_mask;
+ pci_write_config16(dev, where, reg16);
+}
+
+void pci_mod_config32(device_t dev, unsigned int where,
+ uint32_t clr_mask, uint32_t set_mask)
+{
+ uint32_t reg32 = pci_read_config32(dev, where);
+ reg32 &= ~clr_mask;
+ reg32 |= set_mask;
+ pci_write_config32(dev, where, reg32);
+}