The DeveloperBox platform can support the FWU Multi bank update. SCP firmware will switch the boot mode by DSW3-4 and load the Multi bank update supported TF-A BL2 from 0x600000 offset on the SPI flash. Thus it can co-exist with the legacy boot mode (legacy U-Boot or EDK2).
Signed-off-by: Masami Hiramatsu <[email protected]> --- board/socionext/developerbox/Kconfig | 19 ++++ board/socionext/developerbox/Makefile | 1 board/socionext/developerbox/fwu_plat.c | 158 +++++++++++++++++++++++++++++++ include/configs/synquacer.h | 10 ++ include/efi_loader.h | 3 + lib/efi_loader/efi_firmware.c | 14 +-- 6 files changed, 198 insertions(+), 7 deletions(-) create mode 100644 board/socionext/developerbox/fwu_plat.c diff --git a/board/socionext/developerbox/Kconfig b/board/socionext/developerbox/Kconfig index c181d26a44..4e2c341aad 100644 --- a/board/socionext/developerbox/Kconfig +++ b/board/socionext/developerbox/Kconfig @@ -32,4 +32,23 @@ config SYS_CONFIG_NAME default "synquacer" endif + +config FWU_MULTI_BANK_UPDATE + select FWU_MULTI_BANK_UPDATE_SF + +config FWU_MULTI_BANK_UPDATE_SF + select DM_SPI_FLASH + +config FWU_NUM_BANKS + default 6 + +config FWU_NUM_IMAGES_PER_BANK + default 1 + +config FWU_SF_PRIMARY_MDATA_OFFSET + default 0x500000 + +config FWU_SF_SECONDARY_MDATA_OFFSET + default 0x520000 + endif diff --git a/board/socionext/developerbox/Makefile b/board/socionext/developerbox/Makefile index 4a46de995a..15cce9c57e 100644 --- a/board/socionext/developerbox/Makefile +++ b/board/socionext/developerbox/Makefile @@ -7,3 +7,4 @@ # obj-y := developerbox.o +obj-$(CONFIG_FWU_MULTI_BANK_UPDATE_SF) += fwu_plat.o diff --git a/board/socionext/developerbox/fwu_plat.c b/board/socionext/developerbox/fwu_plat.c new file mode 100644 index 0000000000..dbb814f1fd --- /dev/null +++ b/board/socionext/developerbox/fwu_plat.c @@ -0,0 +1,158 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (c) 2021, Linaro Limited + */ + +#include <efi_loader.h> +#include <fwu.h> +#include <fwu_mdata.h> +#include <malloc.h> +#include <memalign.h> +#include <spi.h> +#include <spi_flash.h> +#include <flash.h> + +#include <linux/errno.h> +#include <linux/types.h> +#include <u-boot/crc.h> + +/* SPI Flash accessors */ +static struct spi_flash *plat_spi_flash; + +static int __plat_sf_get_flash(void) +{ + struct udevice *new; + int ret; + + //TODO: use CONFIG_FWU_SPI_* + ret = spi_flash_probe_bus_cs(CONFIG_SF_DEFAULT_BUS, CONFIG_SF_DEFAULT_CS, + CONFIG_SF_DEFAULT_SPEED, CONFIG_SF_DEFAULT_MODE, + &new); + if (ret) + return ret; + + plat_spi_flash = dev_get_uclass_priv(new); + return 0; +} + +static int plat_sf_get_flash(struct spi_flash **flash) +{ + int ret = 0; + + if (!plat_spi_flash) + ret = __plat_sf_get_flash(); + + *flash = plat_spi_flash; + + return ret; +} + +static int sf_load_data(u32 offs, u32 size, void **data) +{ + struct spi_flash *flash; + int ret; + + ret = plat_sf_get_flash(&flash); + if (ret < 0) + return ret; + + *data = memalign(ARCH_DMA_MINALIGN, size); + if (!*data) + return -ENOMEM; + + ret = spi_flash_read(flash, offs, size, *data); + if (ret < 0) { + free(*data); + *data = NULL; + } + + return ret; +} + +/* Platform dependent GUIDs */ + +/* The GUID for the SNI FIP image type GUID */ +#define FWU_IMAGE_TYPE_DEVBOX_FIP_GUID \ + EFI_GUID(0x7d6dc310, 0x52ca, 0x43b8, 0xb7, 0xb9, \ + 0xf9, 0xd6, 0xc5, 0x01, 0xd1, 0x08) + +#define PLAT_METADATA_OFFSET 0x510000 +#define PLAT_METADATA_SIZE (sizeof(struct devbox_metadata)) + +struct __packed devbox_metadata { + u32 boot_index; + u32 boot_count; + u32 invert_dual; +} *devbox_plat_metadata; + +static const efi_guid_t devbox_fip_image_type_guid = FWU_IMAGE_TYPE_DEVBOX_FIP_GUID; + +int fwu_plat_get_image_alt_num(efi_guid_t image_type_id, u32 update_bank, + int *alt_no) +{ + /* DeveloperBox FWU Multi bank only supports FIP image. */ + if (guidcmp(&image_type_id, &devbox_fip_image_type_guid)) + return -EOPNOTSUPP; + + /* + * DeveloperBox FWU expects Bank:Image = 1:1, and the dfu_alt_info + * only has the entries for banks. Thus the alt_no should be equal + * to the update_bank. + */ + update_bank %= CONFIG_FWU_NUM_BANKS; + *alt_no = update_bank; + + return 0; +} + +/* SPI flash doesn't have GPT, and it's not blk device */ +int fwu_plat_fill_partition_guids(efi_guid_t **part_guid_arr) +{ + efi_status_t ret; + + free(*part_guid_arr); + + ret = efi_fill_part_guid_array(&devbox_fip_image_type_guid, part_guid_arr); + return (ret != EFI_SUCCESS) ? -ENOMEM : 0; +} + +/* TBD: add a usage counter for wear leveling */ +int fwu_plat_get_update_index(u32 *update_idx) +{ + int ret; + u32 active_idx; + + ret = fwu_get_active_index(&active_idx); + + if (ret < 0) + return -1; + + *update_idx = (active_idx + 1) % CONFIG_FWU_NUM_BANKS; + + return ret; +} + +static int devbox_load_plat_metadata(void) +{ + if (devbox_plat_metadata) + return 0; + + return sf_load_data(PLAT_METADATA_OFFSET, PLAT_METADATA_SIZE, + (void **)&devbox_plat_metadata); +} + +void fwu_plat_get_bootidx(void *boot_idx) +{ + u32 *bootidx = boot_idx; + + if (devbox_load_plat_metadata() < 0) + *bootidx = 0; + else + *bootidx = devbox_plat_metadata->boot_index; +} + +struct fwu_mdata_ops *get_plat_fwu_mdata_ops(void) +{ + return fwu_sf_get_fwu_mdata_ops(); +} + diff --git a/include/configs/synquacer.h b/include/configs/synquacer.h index 6d67bd2af5..f859237550 100644 --- a/include/configs/synquacer.h +++ b/include/configs/synquacer.h @@ -47,8 +47,18 @@ /* Since U-Boot 64bit PCIe support is limited, disable 64bit MMIO support */ +#ifdef CONFIG_FWU_MULTI_BANK_UPDATE +#define DEFAULT_DFU_ALT_INFO "dfu_alt_info=" \ + "mtd nor1=bank0 raw 600000 400000;" \ + "bank1 raw a00000 400000;" \ + "bank2 raw e00000 400000;" \ + "bank3 raw 1200000 400000;" \ + "bank4 raw 1600000 400000;" \ + "bank5 raw 1a00000 400000\0" +#else #define DEFAULT_DFU_ALT_INFO "dfu_alt_info=" \ "mtd nor1=fip.bin raw 600000 400000\0" +#endif /* Distro boot settings */ #ifndef CONFIG_SPL_BUILD diff --git a/include/efi_loader.h b/include/efi_loader.h index f20d361876..d6dc173feb 100644 --- a/include/efi_loader.h +++ b/include/efi_loader.h @@ -953,6 +953,9 @@ void efi_memcpy_runtime(void *dest, const void *src, size_t n); u16 *efi_create_indexed_name(u16 *buffer, size_t buffer_size, const char *name, unsigned int index); +efi_status_t efi_fill_part_guid_array(const efi_guid_t *guid, + efi_guid_t **part_guid_arr); + extern const struct efi_firmware_management_protocol efi_fmp_fit; extern const struct efi_firmware_management_protocol efi_fmp_raw; diff --git a/lib/efi_loader/efi_firmware.c b/lib/efi_loader/efi_firmware.c index 107f0cb074..c100be35d3 100644 --- a/lib/efi_loader/efi_firmware.c +++ b/lib/efi_loader/efi_firmware.c @@ -97,8 +97,8 @@ efi_status_t EFIAPI efi_firmware_set_package_info_unsupported( return EFI_EXIT(EFI_UNSUPPORTED); } -static efi_status_t fill_part_guid_array(const efi_guid_t *guid, - efi_guid_t **part_guid_arr) +efi_status_t efi_fill_part_guid_array(const efi_guid_t *guid, + efi_guid_t **part_guid_arr) { int i; int dfu_num = 0; @@ -309,8 +309,8 @@ efi_status_t EFIAPI efi_firmware_fit_get_image_info( !descriptor_size || !package_version || !package_version_name)) return EFI_EXIT(EFI_INVALID_PARAMETER); - ret = fill_part_guid_array(&efi_firmware_image_type_uboot_fit, - &part_guid_arr); + ret = efi_fill_part_guid_array(&efi_firmware_image_type_uboot_fit, + &part_guid_arr); if (ret != EFI_SUCCESS) goto out; @@ -429,7 +429,7 @@ efi_status_t EFIAPI efi_firmware_raw_get_image_info( return EFI_EXIT(EFI_INVALID_PARAMETER); if (IS_ENABLED(CONFIG_FWU_MULTI_BANK_UPDATE)) { - ret = fill_part_guid_array(&null_guid, &part_guid_arr); + ret = efi_fill_part_guid_array(&null_guid, &part_guid_arr); if (ret != EFI_SUCCESS) goto out; @@ -444,8 +444,8 @@ efi_status_t EFIAPI efi_firmware_raw_get_image_info( goto out; } } else { - ret = fill_part_guid_array(&efi_firmware_image_type_uboot_raw, - &part_guid_arr); + ret = efi_fill_part_guid_array(&efi_firmware_image_type_uboot_raw, + &part_guid_arr); if (ret != EFI_SUCCESS) goto out; }
