diff options
Diffstat (limited to 'src/soc/samsung/exynos5420/alternate_cbfs.h')
| -rw-r--r-- | src/soc/samsung/exynos5420/alternate_cbfs.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/soc/samsung/exynos5420/alternate_cbfs.h b/src/soc/samsung/exynos5420/alternate_cbfs.h new file mode 100644 index 0000000000..af7751d4ee --- /dev/null +++ b/src/soc/samsung/exynos5420/alternate_cbfs.h @@ -0,0 +1,51 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2013 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 CPU_SAMSUNG_EXYNOS5420_ALTERNATE_CBFS_H +#define CPU_SAMSUNG_EXYNOS5420_ALTERNATE_CBFS_H + +/* These are pointers to function pointers. Double indirection! */ +static void * * const irom_sdmmc_read_blocks_ptr = (void * *)0x02020030; +static void * * const irom_msh_read_from_fifo_emmc_ptr = (void * *)0x02020044; +static void * * const irom_msh_end_boot_op_emmc_ptr = (void * *)0x02020048; +static void * * const irom_spi_sf_read_ptr = (void * *)0x02020058; +static void * * const irom_load_image_from_usb_ptr = (void * *)0x02020070; + +#define SECONDARY_BASE_BOOT_USB 0xfeed0002 +static u32 * const iram_secondary_base = (u32 *)0x02020018; + +/* Values pulled from U-Boot, I think the manual is wrong here (for SPI) */ +#define OM_STAT_SDMMC 0x4 +#define OM_STAT_EMMC 0x8 +#define OM_STAT_SPI 0x14 +#define OM_STAT_MASK 0x7f + +#if defined(__BOOT_BLOCK__) + /* A small space in IRAM to hold the romstage-only image */ + static void * const alternate_cbfs_buffer = + (void *)CONFIG_CBFS_CACHE_ADDRESS; + static size_t const alternate_cbfs_size = CONFIG_CBFS_CACHE_SIZE; +#else + /* Just put this anywhere in RAM that's far enough from anything else */ + /* TODO: Find a better way to "reserve" this region? */ + static void * const alternate_cbfs_buffer = (void *)0x77400000; + static size_t const alternate_cbfs_size = 0xc00000; +#endif + +#endif /* CPU_SAMSUNG_EXYNOS5420_ALTERNATE_CBFS_H */ |