summaryrefslogtreecommitdiff
path: root/src/console/usbdebug_direct_console.c
diff options
context:
space:
mode:
authorYinghai Lu <yinghai.lu@amd.com>2007-02-28 11:17:02 +0000
committerStefan Reinauer <stepan@openbios.org>2007-02-28 11:17:02 +0000
commitd57241fab5d4b941f72811a9ce9edafca3993ba1 (patch)
treedae6993cc29b010896d5b733133058a673fd3a4b /src/console/usbdebug_direct_console.c
parent3f5411cfca8e1b4552e13a3a286358e917bb5382 (diff)
This is (most of) the usb2 debug console code ripped out of
Uwe's version of yh_rest_of_patch.patch (13.02.07 - [PATCH] Rest of huge MCP55 patch). I dropped a lot of stuff, like broken indenting, removed copyright messages, and this printk_ram_* stuff (what the heck is this supposed to be) This codebase is really a mess. Further tarball contributions without a _CLEANED UP_ patch will be denied, especially if they are not from an up to date svn tree. Signed-off-by: Yinghai Lu <yinghai.lu@amd.com> Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2563 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/console/usbdebug_direct_console.c')
-rw-r--r--src/console/usbdebug_direct_console.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/console/usbdebug_direct_console.c b/src/console/usbdebug_direct_console.c
new file mode 100644
index 0000000000..172d5c8b55
--- /dev/null
+++ b/src/console/usbdebug_direct_console.c
@@ -0,0 +1,58 @@
+#include <console/console.h>
+#include <usbdebug_direct.h>
+#include <pc80/mc146818rtc.h>
+
+struct ehci_debug_info dbg_info;
+
+void set_ehci_base(unsigned ehci_base)
+{
+ unsigned diff;
+ if(!dbg_info.ehci_debug) return;
+ diff = dbg_info.ehci_caps - ehci_base;
+ dbg_info.ehci_regs -= diff;
+ dbg_info.ehci_debug -= diff;
+ dbg_info.ehci_caps = ehci_base;
+}
+void set_ehci_debug(unsigned ehci_debug)
+{
+ dbg_info.ehci_debug = ehci_debug;
+}
+
+unsigned get_ehci_debug(void)
+{
+ return dbg_info.ehci_debug;
+}
+
+static void dbgp_init(void)
+{
+ struct ehci_debug_info *dbg_infox;
+ dbg_infox = (struct ehci_debug_info *)((CONFIG_LB_MEM_TOPK<<10) - sizeof (struct ehci_debug_info)); //in RAM
+ memcpy(&dbg_info, dbg_infox, sizeof(struct ehci_debug_info) );
+}
+
+static void dbgp_tx_byte(unsigned char data)
+{
+ if(dbg_info.ehci_debug)
+ dbgp_bulk_write_x(&dbg_info,&data,1);
+}
+
+static unsigned char dbgp_rx_byte(void)
+{
+ unsigned char data = 0xff;
+ if(dbg_info.ehci_debug)
+ dbgp_bulk_read_x(&dbg_info,&data,1);
+ return data;
+}
+
+static int dbgp_tst_byte(void)
+{
+ return dbg_info.ehci_debug;
+}
+
+static struct console_driver usbdebug_direct_console __console = {
+ .init = dbgp_init,
+ .tx_byte = dbgp_tx_byte,
+ .rx_byte = dbgp_rx_byte,
+ .tst_byte = dbgp_tst_byte,
+};
+