diff options
Diffstat (limited to 'src/soc/nvidia')
| -rw-r--r-- | src/soc/nvidia/tegra132/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/nvidia/tegra132/ccplex.c | 61 | ||||
| -rw-r--r-- | src/soc/nvidia/tegra132/ccplex.h | 28 | ||||
| -rw-r--r-- | src/soc/nvidia/tegra132/romstage.c | 7 |
4 files changed, 95 insertions, 2 deletions
diff --git a/src/soc/nvidia/tegra132/Makefile.inc b/src/soc/nvidia/tegra132/Makefile.inc index a98467431b..c14f1c8530 100644 --- a/src/soc/nvidia/tegra132/Makefile.inc +++ b/src/soc/nvidia/tegra132/Makefile.inc @@ -19,6 +19,7 @@ endif romstage-y += cbfs.c romstage-y += cbmem.c romstage-y += timer.c +romstage-y += ccplex.c romstage-y += clock.c romstage-y += spi.c romstage-y += i2c.c diff --git a/src/soc/nvidia/tegra132/ccplex.c b/src/soc/nvidia/tegra132/ccplex.c new file mode 100644 index 0000000000..b569bd2124 --- /dev/null +++ b/src/soc/nvidia/tegra132/ccplex.c @@ -0,0 +1,61 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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 <string.h> +#include <console/console.h> +#include <arch/io.h> +#include <cbfs.h> +#include <soc/addressmap.h> +#include "ccplex.h" +#include "mc.h" + +#define MTS_FILE_NAME "mts" + +int ccplex_load_mts(void) +{ + struct cbfs_file file; + ssize_t offset; + size_t nread; + /* + * MTS location is hard coded to this magic address. The hardware will + * take the MTS from this location and place it in the final resting + * place in the carveout region. + */ + void * const mts = (void *)(uintptr_t)MTS_LOAD_ADDRESS; + struct cbfs_media *media = CBFS_DEFAULT_MEDIA; + + offset = cbfs_locate_file(media, &file, MTS_FILE_NAME); + if (offset < 0) { + printk(BIOS_DEBUG, "MTS file not found: %s\n", MTS_FILE_NAME); + return -1; + } + + /* Read MTS file into the carveout region. */ + nread = cbfs_read(media, mts, offset, file.len); + + if (nread != file.len) { + printk(BIOS_DEBUG, "MTS bytes read (%zu) != file length(%u)!\n", + nread, file.len); + return -1; + } + + printk(BIOS_DEBUG, "MTS: %zu bytes loaded @ %p\n", nread, mts); + + return 0; +} diff --git a/src/soc/nvidia/tegra132/ccplex.h b/src/soc/nvidia/tegra132/ccplex.h new file mode 100644 index 0000000000..6b9699cded --- /dev/null +++ b/src/soc/nvidia/tegra132/ccplex.h @@ -0,0 +1,28 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * 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 + */ + +#ifndef __SOC_NVIDIA_TEGRA132_CCPLEX_H__ +#define __SOC_NVIDIA_TEGRA132_CCPLEX_H__ + +#define MTS_LOAD_ADDRESS 0x82000000 + +/* Loads the MTS microcode. Return 0 on success, < 0 on error. */ +int ccplex_load_mts(void); + +#endif /* __SOC_NVIDIA_TEGRA132_CCPLEX_H__ */ diff --git a/src/soc/nvidia/tegra132/romstage.c b/src/soc/nvidia/tegra132/romstage.c index 20429a5e53..3bc2231131 100644 --- a/src/soc/nvidia/tegra132/romstage.c +++ b/src/soc/nvidia/tegra132/romstage.c @@ -23,7 +23,8 @@ #include <arch/exception.h> #include <soc/sdram_configs.h> -#include <soc/nvidia/tegra132/sdram.h> +#include "sdram.h" +#include "ccplex.h" void main(void) { @@ -35,9 +36,11 @@ void main(void) printk(BIOS_INFO, "T132: romstage here\n"); sdram_init(get_sdram_config()); - printk(BIOS_INFO, "T132 romstage: sdram_init done\n"); + ccplex_load_mts(); + printk(BIOS_INFO, "T132 romstage: MTS loading done\n"); + while (1); entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, |