diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-14 19:53:39 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-14 19:53:39 +0200 |
commit | a00fcbc115f9c934fe92e96358a7f392bb5549f0 (patch) | |
tree | 6733e44bb7efc8b49772f080c906ccd90b274008 /drivers/remoteproc | |
parent | 4ce535ec0084f0d712317cb99d383cad3288e713 (diff) | |
parent | d434405aaab7d0ebc516b68a8fc4100922d7f5ef (diff) | |
download | linux-a00fcbc115f9c934fe92e96358a7f392bb5549f0.tar.bz2 |
Merge tag 'v5.12-rc7' into driver-core-next
We need the driver core fix in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r-- | drivers/remoteproc/pru_rproc.c | 20 | ||||
-rw-r--r-- | drivers/remoteproc/qcom_pil_info.c | 2 |
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c index 2667919d76b3..dcb380e868df 100644 --- a/drivers/remoteproc/pru_rproc.c +++ b/drivers/remoteproc/pru_rproc.c @@ -450,6 +450,24 @@ static void *pru_i_da_to_va(struct pru_rproc *pru, u32 da, size_t len) if (len == 0) return NULL; + /* + * GNU binutils do not support multiple address spaces. The GNU + * linker's default linker script places IRAM at an arbitrary high + * offset, in order to differentiate it from DRAM. Hence we need to + * strip the artificial offset in the IRAM addresses coming from the + * ELF file. + * + * The TI proprietary linker would never set those higher IRAM address + * bits anyway. PRU architecture limits the program counter to 16-bit + * word-address range. This in turn corresponds to 18-bit IRAM + * byte-address range for ELF. + * + * Two more bits are added just in case to make the final 20-bit mask. + * Idea is to have a safeguard in case TI decides to add banking + * in future SoCs. + */ + da &= 0xfffff; + if (da >= PRU_IRAM_DA && da + len <= PRU_IRAM_DA + pru->mem_regions[PRU_IOMEM_IRAM].size) { offset = da - PRU_IRAM_DA; @@ -585,7 +603,7 @@ pru_rproc_load_elf_segments(struct rproc *rproc, const struct firmware *fw) break; } - if (pru->data->is_k3 && is_iram) { + if (pru->data->is_k3) { ret = pru_rproc_memcpy(ptr, elf_data + phdr->p_offset, filesz); if (ret) { diff --git a/drivers/remoteproc/qcom_pil_info.c b/drivers/remoteproc/qcom_pil_info.c index 5521c4437ffa..7c007dd7b200 100644 --- a/drivers/remoteproc/qcom_pil_info.c +++ b/drivers/remoteproc/qcom_pil_info.c @@ -56,7 +56,7 @@ static int qcom_pil_info_init(void) memset_io(base, 0, resource_size(&imem)); _reloc.base = base; - _reloc.num_entries = resource_size(&imem) / PIL_RELOC_ENTRY_SIZE; + _reloc.num_entries = (u32)resource_size(&imem) / PIL_RELOC_ENTRY_SIZE; return 0; } |