diff options
| -rw-r--r-- | src/mainboard/sifive/hifive-unleashed/Kconfig | 1 | ||||
| -rw-r--r-- | src/mainboard/sifive/hifive-unleashed/media.c | 72 | ||||
| -rw-r--r-- | src/soc/sifive/fu540/include/soc/memlayout.ld | 2 |
3 files changed, 66 insertions, 9 deletions
diff --git a/src/mainboard/sifive/hifive-unleashed/Kconfig b/src/mainboard/sifive/hifive-unleashed/Kconfig index 24531787ef..fc9bc1eeb9 100644 --- a/src/mainboard/sifive/hifive-unleashed/Kconfig +++ b/src/mainboard/sifive/hifive-unleashed/Kconfig @@ -19,6 +19,7 @@ config BOARD_SPECIFIC_OPTIONS select BOARD_ROMSIZE_KB_32768 select MISSING_BOARD_RESET select FLATTENED_DEVICE_TREE + select SPI_SDCARD config HEAP_SIZE default 0x10000 diff --git a/src/mainboard/sifive/hifive-unleashed/media.c b/src/mainboard/sifive/hifive-unleashed/media.c index b0198a7abe..45d1f1a613 100644 --- a/src/mainboard/sifive/hifive-unleashed/media.c +++ b/src/mainboard/sifive/hifive-unleashed/media.c @@ -15,15 +15,60 @@ */ #include <boot_device.h> +#include <symbols.h> +#include <cbfs.h> +#include <arch/mmio.h> +#include <soc/addressmap.h> #include <soc/spi.h> +#include <soc/clock.h> +#include <console/console.h> +#include <spi_sdcard.h> + +/* follow is the FSBL boot device defined by ZSBL of sifive + * FSBL replaced by bootblock of coreboot + * MSEL_SPInx1 -> test if boot from memory-mapped on SPIn + * MSEL_SPInx4 -> test if boot from memory-mapped on QPIn + * MSEL_SPInSD -> test if boot from sdcard mount on SPIn */ +#define MSEL_SPI0x1(m) (((m) == 5) || ((m) == 14)) +#define MSEL_SPI0x4(m) (((m) == 6) || ((m) == 10) || ((m) == 15)) +#define MSEL_SPI1x1(m) ((m) == 12) +#define MSEL_SPI1x4(m) (((m) == 7) || ((m) == 13)) +#define MSEL_SPI1SD(m) ((m) == 8) +#define MSEL_SPI2x1(m) ((m) == 9) +#define MSEL_SPI2SD(m) ((m) == 11) + +static struct spi_sdcard card; /* At 0x20000000: A 256MiB long memory-mapped view of the flash at QSPI0 */ -static struct mem_region_device mdev = +static struct mem_region_device spi_mdev = MEM_REGION_DEV_RO_INIT((void *)0x20000000, CONFIG_ROM_SIZE); +static ssize_t unleashed_sd_readat(const struct region_device *rdev, void *dest, + size_t offset, size_t count) +{ + spi_sdcard_read(&card, dest, offset, count); + return count; +} + +static const struct region_device_ops unleashed_sd_ops = { + .mmap = mmap_helper_rdev_mmap, + .munmap = mmap_helper_rdev_munmap, + .readat = unleashed_sd_readat, +}; + + +static struct mmap_helper_region_device sd_mdev = + MMAP_HELPER_REGION_INIT(&unleashed_sd_ops, 0, CONFIG_ROM_SIZE); + const struct region_device *boot_device_ro(void) { - return &mdev.rdev; + uint32_t m = read32((uint32_t *)FU540_MSEL); + if (MSEL_SPI0x1(m) || MSEL_SPI0x4(m)) + return &spi_mdev.rdev; + if (MSEL_SPI2SD(m)) + return &sd_mdev.rdev; + die("Wrong configuration of MSEL\n"); + return NULL; } const static struct fu540_spi_mmap_config spi_mmap_config = { @@ -39,11 +84,20 @@ const static struct fu540_spi_mmap_config spi_mmap_config = { 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); + uint32_t m = read32((uint32_t *)FU540_MSEL); + if (MSEL_SPI0x1(m) || MSEL_SPI0x4(m)) { + 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); + return; + } + if (MSEL_SPI2SD(m)) { + spi_sdcard_init(&card, 2, 0); + mmap_helper_device_init(&sd_mdev, + _cbfs_cache, REGION_SIZE(cbfs_cache)); + return; + } + die("Wrong configuration of MSEL\n"); } diff --git a/src/soc/sifive/fu540/include/soc/memlayout.ld b/src/soc/sifive/fu540/include/soc/memlayout.ld index 1d11aa0452..df30ede510 100644 --- a/src/soc/sifive/fu540/include/soc/memlayout.ld +++ b/src/soc/sifive/fu540/include/soc/memlayout.ld @@ -28,10 +28,12 @@ SECTIONS CAR_STACK(FU540_L2LIM + 64K, 20K) PRERAM_CBMEM_CONSOLE(FU540_L2LIM + 84K, 8K) ROMSTAGE(FU540_L2LIM + 128K, 128K) + PRERAM_CBFS_CACHE(FU540_L2LIM + 256K, 128K) L2LIM_END(FU540_L2LIM + 2M) DRAM_START(FU540_DRAM) REGION(opensbi, FU540_DRAM, 128K, 4K) RAMSTAGE(FU540_DRAM + 128K, 256K) MEM_STACK(FU540_DRAM + 448K, 20K) + POSTRAM_CBFS_CACHE(FU540_DRAM + 512K, 32M - 512K) } |