diff options
Diffstat (limited to 'src/mainboard/sifive/hifive-unleashed')
| -rw-r--r-- | src/mainboard/sifive/hifive-unleashed/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/mainboard/sifive/hifive-unleashed/media.c | 49 |
2 files changed, 52 insertions, 0 deletions
diff --git a/src/mainboard/sifive/hifive-unleashed/Makefile.inc b/src/mainboard/sifive/hifive-unleashed/Makefile.inc index 207898e973..8ce266f034 100644 --- a/src/mainboard/sifive/hifive-unleashed/Makefile.inc +++ b/src/mainboard/sifive/hifive-unleashed/Makefile.inc @@ -12,12 +12,15 @@ # GNU General Public License for more details. bootblock-y += memlayout.ld +bootblock-y += media.c romstage-y += memlayout.ld romstage-y += romstage.c +romstage-y += media.c ramstage-y += memlayout.ld ramstage-y += fixup_fdt.c +ramstage-y += media.c DTB=$(obj)/hifive-unleashed.dtb diff --git a/src/mainboard/sifive/hifive-unleashed/media.c b/src/mainboard/sifive/hifive-unleashed/media.c new file mode 100644 index 0000000000..b0198a7abe --- /dev/null +++ b/src/mainboard/sifive/hifive-unleashed/media.c @@ -0,0 +1,49 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2018 Jonathan Neuschäfer + * Copyright (C) 2019 HardenedLinux + * + * 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. + */ + +#include <boot_device.h> +#include <soc/spi.h> + +/* At 0x20000000: A 256MiB long memory-mapped view of the flash at QSPI0 */ +static struct mem_region_device mdev = + MEM_REGION_DEV_RO_INIT((void *)0x20000000, CONFIG_ROM_SIZE); + +const struct region_device *boot_device_ro(void) +{ + return &mdev.rdev; +} + +const static struct fu540_spi_mmap_config spi_mmap_config = { + .cmd_en = 1, + .addr_len = 4, + .pad_cnt = 6, + .cmd_proto = FU540_SPI_PROTO_S, + .addr_proto = FU540_SPI_PROTO_Q, + .data_proto = FU540_SPI_PROTO_Q, + .cmd_code = 0xec, + .pad_code = 0 +}; + +void boot_device_init(void) +{ + struct spi_slave slave; + + /* initialize spi controller */ + spi_setup_slave(0, 0, &slave); + + /* map flash to memory space */ + fu540_spi_mmap(&slave, &spi_mmap_config); +} |