This patch refactor code to first load all firmware blobs
and then update modem proc to authenticate and boot fw.
Also make a trivial change in a error log.
Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@xxxxxxxxxxxxxx>
---
drivers/remoteproc/qcom_q6v5_pil.c | 25 ++++++++++++-------------
1 file changed, 12 insertions(+), 13 deletions(-)
diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c
index 8fd697a..2626954 100644
--- a/drivers/remoteproc/qcom_q6v5_pil.c
+++ b/drivers/remoteproc/qcom_q6v5_pil.c
@@ -466,9 +466,10 @@ static int q6v5_mpss_init_image(struct q6v5 *qproc, const struct firmware *fw)
ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_META_DATA_AUTH_SUCCESS, 1000);
if (ret == -ETIMEDOUT)
- dev_err(qproc->dev, "MPSS header authentication timed out\n");
+ dev_err(qproc->dev, "metadata authentication timed out\n");
else if (ret < 0)
- dev_err(qproc->dev, "MPSS header authentication failed: %d\n", ret);
+ dev_err(qproc->dev,
+ "metadata authentication failed: %d\n", ret);
dma_free_attrs(qproc->dev, fw->size, ptr, phys, dma_attrs);
@@ -503,7 +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;
@@ -541,7 +542,9 @@ static int q6v5_mpss_load(struct q6v5 *qproc)
}
mpss_reloc = relocate ? min_addr : qproc->mpss_phys;
-
+ /* Load firmware completely before letting mss to start
+ * authentication and then boot firmware
+ */
for (i = 0; i < ehdr->e_phnum; i++) {
phdr = &phdrs[i];
@@ -574,17 +577,13 @@ 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 region with modem fw */
+ 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)
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project.
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