diff options
Diffstat (limited to 'src/mainboard/totalimpact/briq/init.c')
| -rw-r--r-- | src/mainboard/totalimpact/briq/init.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/mainboard/totalimpact/briq/init.c b/src/mainboard/totalimpact/briq/init.c new file mode 100644 index 0000000000..b7da78eba4 --- /dev/null +++ b/src/mainboard/totalimpact/briq/init.c @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2003, Greg Watson <gwatson@lanl.gov> + * + * See file CREDITS for list of people who contributed to this + * 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; 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Do very early board initialization: + * + * - Configure External Bus (EBC) + * - Setup Flash + * - Setup NVRTC + * - Setup Board Control and Status Registers (BCSR) + * - Enable UART0 for debugging + */ + +#include <ppc_asm.tmpl> +#include <ppc.h> +#include <ppc4xx.h> +#include <arch/io.h> +#include <timer.h> + +void +board_init(void) +{ + /* + * Configure FLASH + */ + mtebc(pb0cr, 0xFC0DC000); + mtebc(pb0ap, 0x02000000); + + /* + * Configure NVTRC/BCSR + */ + mtebc(pb4cr, 0xF4058000); + mtebc(pb4ap, 0x04050000); + + /* + * Enable PCI + */ + outb(0x80, 0xF4000001); + + /* + * Enable UART0 + */ + outb(0x20, 0xF4000003); + + /* + * Cycle LEDs to show something is happening... + */ + outb(0x07, 0xF4000009); + udelay(100000); + outb(0x0B, 0xF4000009); + udelay(100000); + outb(0x0D, 0xF4000009); + udelay(100000); + outb(0x0E, 0xF4000009); +} |