diff options
| author | Avaneesh Kumar Dwivedi <akdwived@codeaurora.org> | 2017-10-24 21:22:25 +0530 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-10-30 18:37:22 -0700 |
| commit | 94c907859a4c678de8e74eeece5c0487b5629361 (patch) | |
| tree | 0e101f60423639efca9094460636c6737d22b841 /drivers/remoteproc | |
| parent | d82bd359972a7fe71a778396cf287bc9f9f3b981 (diff) | |
| download | linux-0-day-94c907859a4c678de8e74eeece5c0487b5629361.tar.gz linux-0-day-94c907859a4c678de8e74eeece5c0487b5629361.tar.xz | |
remoteproc: qcom: refactor mss fw image loading sequence
This patch refactor code to first load all firmware blobs
and then update modem proc to authenticate and boot fw.
Tested-and-acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/qcom_q6v5_pil.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c index 2d3d5ac92c060..39b9ee4a63b70 100644 --- a/drivers/remoteproc/qcom_q6v5_pil.c +++ b/drivers/remoteproc/qcom_q6v5_pil.c @@ -504,7 +504,7 @@ static int q6v5_mpss_load(struct q6v5 *qproc) bool relocate = false; char seg_name[10]; ssize_t offset; - size_t size; + size_t size = 0; void *ptr; int ret; int i; @@ -542,7 +542,7 @@ static int q6v5_mpss_load(struct q6v5 *qproc) } mpss_reloc = relocate ? min_addr : qproc->mpss_phys; - + /* Load firmware segments */ for (i = 0; i < ehdr->e_phnum; i++) { phdr = &phdrs[i]; @@ -575,18 +575,15 @@ static int q6v5_mpss_load(struct q6v5 *qproc) memset(ptr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz); } - - size = readl(qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG); - if (!size) { - boot_addr = relocate ? qproc->mpss_phys : min_addr; - writel(boot_addr, qproc->rmb_base + RMB_PMI_CODE_START_REG); - writel(RMB_CMD_LOAD_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG); - } - size += phdr->p_memsz; - writel(size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG); } + /* Transfer ownership of modem ddr region with q6*/ + boot_addr = relocate ? qproc->mpss_phys : min_addr; + writel(boot_addr, qproc->rmb_base + RMB_PMI_CODE_START_REG); + writel(RMB_CMD_LOAD_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG); + writel(size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG); + ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_AUTH_COMPLETE, 10000); if (ret == -ETIMEDOUT) dev_err(qproc->dev, "MPSS authentication timed out\n"); |