diff options
| -rw-r--r-- | src/mainboard/google/storm/romstage.c | 2 | ||||
| -rw-r--r-- | src/soc/qualcomm/ipq806x/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/soc/qualcomm/ipq806x/blobs_init.c | 78 | ||||
| -rw-r--r-- | src/soc/qualcomm/ipq806x/include/soc/soc_services.h | 26 | ||||
| -rw-r--r-- | src/soc/qualcomm/ipq806x/mbn_header.h | 37 |
5 files changed, 144 insertions, 0 deletions
diff --git a/src/mainboard/google/storm/romstage.c b/src/mainboard/google/storm/romstage.c index fb5b42e869..be8656b754 100644 --- a/src/mainboard/google/storm/romstage.c +++ b/src/mainboard/google/storm/romstage.c @@ -20,10 +20,12 @@ #include <cbmem.h> #include <console/console.h> #include <program_loading.h> +#include <soc/soc_services.h> void main(void) { console_init(); cbmem_initialize_empty(); + initialize_dram(); run_ramstage(); } diff --git a/src/soc/qualcomm/ipq806x/Makefile.inc b/src/soc/qualcomm/ipq806x/Makefile.inc index 0d5d59ca7f..7fb6290a42 100644 --- a/src/soc/qualcomm/ipq806x/Makefile.inc +++ b/src/soc/qualcomm/ipq806x/Makefile.inc @@ -33,6 +33,7 @@ verstage-y += timer.c verstage-$(CONFIG_CONSOLE_SERIAL_IPQ806X) += uart.c romstage-y += clock.c +romstage-y += blobs_init.c romstage-y += gpio.c romstage-$(CONFIG_SPI_FLASH) += spi.c romstage-y += timer.c diff --git a/src/soc/qualcomm/ipq806x/blobs_init.c b/src/soc/qualcomm/ipq806x/blobs_init.c new file mode 100644 index 0000000000..96a14dc40b --- /dev/null +++ b/src/soc/qualcomm/ipq806x/blobs_init.c @@ -0,0 +1,78 @@ +/* + * 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 <cbfs.h> +#include <string.h> +#include <arch/cache.h> + +#include <soc/soc_services.h> + +#include <console/console.h> + +#include "mbn_header.h" + +static struct mbn_header *map_ipq_blob(const char *file_name) +{ + struct cbfs_file *blob_file; + struct mbn_header *blob_mbn; + + blob_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, file_name); + if (!blob_file) + return NULL; + + blob_mbn = (struct mbn_header *)((uintptr_t)blob_file + + ntohl(blob_file->offset)); + + /* some sanity checks on the headers */ + if ((blob_mbn->mbn_version != 3) || + (blob_mbn->mbn_total_size > ntohl(blob_file->len))) + return NULL; + + return blob_mbn; +} + +int initialize_dram(void) +{ + struct mbn_header *cdt_mbn; + struct mbn_header *ddr_mbn; + int (*ddr_init_function)(void *cdt_header); + + cdt_mbn = map_ipq_blob("cdt.mbn"); + ddr_mbn = map_ipq_blob("ddr.mbn"); + + if (!cdt_mbn || !ddr_mbn) { + printk(BIOS_ERR, "cdt.mbn: %p, ddr.mbn: %p\n", + cdt_mbn, ddr_mbn); + die("could not find DDR initialization blobs\n"); + } + + /* Actual area where DDR init is going to be running */ + ddr_init_function = (int (*)(void *))ddr_mbn->mbn_destination; + + /* Copy core into the appropriate memory location. */ + memcpy(ddr_init_function, ddr_mbn + 1, ddr_mbn->mbn_total_size); + cache_sync_instructions(); + + if (ddr_init_function(cdt_mbn + 1) < 0) /* Skip mbn header. */ + die("Fail to Initialize DDR\n"); + + printk(BIOS_INFO, "DDR initialized\n"); + + return 0; +} diff --git a/src/soc/qualcomm/ipq806x/include/soc/soc_services.h b/src/soc/qualcomm/ipq806x/include/soc/soc_services.h new file mode 100644 index 0000000000..8a936fe7d9 --- /dev/null +++ b/src/soc/qualcomm/ipq806x/include/soc/soc_services.h @@ -0,0 +1,26 @@ +/* + * 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_QUALCOMM_IPQ806X_INCLUDE_SOC_SOC_SERVICES_H__ +#define __SOC_QUALCOMM_IPQ806X_INCLUDE_SOC_SOC_SERVICES_H__ + +/* Returns zero on success, nonzero on failure. */ +int initialize_dram(void); + +#endif diff --git a/src/soc/qualcomm/ipq806x/mbn_header.h b/src/soc/qualcomm/ipq806x/mbn_header.h new file mode 100644 index 0000000000..6b27c71cf2 --- /dev/null +++ b/src/soc/qualcomm/ipq806x/mbn_header.h @@ -0,0 +1,37 @@ +/* + * 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_QUALCOMM_IPQ806X_MBN_HEADER_H__ +#define __SOC_QUALCOMM_IPQ806X_MBN_HEADER_H__ + +#include <types.h> + +/* Qualcomm firmware blob header gleaned from util/ipqheader/ipqheader.py */ + +struct mbn_header { + u32 mbn_type; + u32 mbn_version; + u32 mbn_source; + u32 mbn_destination; + u32 mbn_total_size; + u32 mbn_padding[5]; +}; + +#endif + |