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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>
hifive-unleashed-5.1
Avaneesh Kumar Dwivedi 2017-10-24 21:22:25 +05:30 committed by Bjorn Andersson
parent d82bd35997
commit 94c907859a
1 changed files with 8 additions and 11 deletions
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19
drivers/remoteproc/qcom_q6v5_pil.c
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@ -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");