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authorStefan Reinauer <stepan@coresystems.de>2010-05-25 16:17:45 +0000
committerStefan Reinauer <stepan@openbios.org>2010-05-25 16:17:45 +0000
commitda3237376f8f4d35731ef9abfb7a7e5b94926198 (patch)
tree049137e129e64600909747112c08d1a186b40694 /src/pc80/usbdebug_serial.c
parent56394484e3b46d234ec504dc23114b9cf8c67778 (diff)
Long ago we agreed on kicking the _direct appendix because everything in
coreboot is direct. This patch does it. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5586 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/pc80/usbdebug_serial.c')
-rw-r--r--src/pc80/usbdebug_serial.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/pc80/usbdebug_serial.c b/src/pc80/usbdebug_serial.c
new file mode 100644
index 0000000000..474882b6d1
--- /dev/null
+++ b/src/pc80/usbdebug_serial.c
@@ -0,0 +1,52 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * 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; version 2 of the License.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#include "../lib/usbdebug.c"
+
+static void early_usbdebug_direct_init(void)
+{
+ struct ehci_debug_info *dbg_info = (struct ehci_debug_info *)
+ (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - sizeof(struct ehci_debug_info));
+
+ usbdebug_direct_init(EHCI_BAR, EHCI_DEBUG_OFFSET, dbg_info);
+}
+
+void usbdebug_direct_tx_byte(unsigned char data)
+{
+ struct ehci_debug_info *dbg_info;
+
+ /* "Find" dbg_info structure in Cache */
+ dbg_info = (struct ehci_debug_info *)
+ (CONFIG_DCACHE_RAM_BASE + CONFIG_DCACHE_RAM_SIZE - sizeof(struct ehci_debug_info));
+
+ if (dbg_info->ehci_debug) {
+ dbgp_bulk_write_x(dbg_info, &data, 1);
+ }
+}
+
+void usbdebug_direct_ram_tx_byte(unsigned char data)
+{
+ struct ehci_debug_info *dbg_info;
+
+ /* "Find" dbg_info structure in RAM */
+ dbg_info = (struct ehci_debug_info *)
+ ((CONFIG_RAMTOP) - sizeof(struct ehci_debug_info));
+
+ if (dbg_info->ehci_debug) {
+ dbgp_bulk_write_x(dbg_info, &data, 1);
+ }
+}