diff options
Diffstat (limited to 'src/pc80/usbdebug_serial.c')
| -rw-r--r-- | src/pc80/usbdebug_serial.c | 52 |
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); + } +} |