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Merge "ipq9574: Add support for DPR feature"

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Linux Build Service Account 2021-12-06 23:38:46 -08:00 • committed by Gerrit - the friendly Code Review server
commit 73fddb8d51
3 changed files with 75 additions and 0 deletions
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26
arch/arm/cpu/armv7/qca/common/scm.c
View file

@ -492,6 +492,28 @@ int qca_scm_part_info(void *cmd_buf,
return ret;
}
int qca_scm_dpr(u32 svc_id, u32 cmd_id, void *buf, size_t len)
{
int ret = 0;
uint32_t *status;
if (is_scm_armv8())
{
struct qca_scm_desc desc = {0};
desc.arginfo = QCA_SCM_ARGS(1, SCM_VAL);
desc.args[0] = *((unsigned int *)buf);
ret = scm_call_64(svc_id, cmd_id, &desc);
status = (uint32_t *)(*(((uint32_t *)buf) + 1));
*status = desc.ret[0];
}
else
{
ret = scm_call(svc_id, cmd_id, buf, len, NULL, 0);
}
return ret;
}
int qca_scm_auth_kernel(void *cmd_buf,
size_t cmd_len)
{
@ -664,6 +686,10 @@ int qca_scm_part_info(void *cmd_buf, size_t cmd_len)
{
return 0;
}
int qca_scm_dpr(u32 svc_id, u32 cmd_id, void *buf, size_t len)
{
return 0;
}
int qca_scm_auth_kernel(void *cmd_buf,
size_t cmd_len)
{

48
board/qca/arm/ipq9574/ipq9574.c
View file

@ -40,6 +40,8 @@ extern int ipq_spi_init(u16);
unsigned int qpic_frequency = 0, qpic_phase = 0;
extern unsigned int qpic_training_offset;
extern int qca_scm_dpr(u32, u32, void *, size_t);
void qca_serial_init(struct ipq_serial_platdata *plat)
{
int ret;
@ -1448,3 +1450,49 @@ void ipq_uboot_fdt_fixup(void)
}
return;
}
int do_dpr(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
char *loadaddr;
uint32_t dpr_status = 0;
struct dpr {
uint32_t address;
uint32_t status;
} dpr;
if (argc > 2) {
return CMD_RET_USAGE;
}
if (argc == 2){
dpr.address = simple_strtoul(argv[1], NULL, 16);
} else {
loadaddr = getenv("fileaddr");
if (loadaddr == NULL) {
printf("No Arguments provided\n");
printf("Command format: dpr_execute <address>\n");
return CMD_RET_USAGE;
}
if (loadaddr != NULL)
dpr.address = simple_strtoul(loadaddr, NULL, 16);
}
dpr.status = (uint32_t)&dpr_status;
ret = qca_scm_dpr(SCM_SVC_FUSE, TME_DPR_PROCESSING,
&dpr, sizeof(dpr));
if (ret || dpr_status){
printf("%s: Error in DPR Processing (%d, %d)\n",
__func__, ret, dpr_status);
} else {
printf("DPR Process sucessful\n");
}
return ret;
}
U_BOOT_CMD(dpr_execute, 2, 0, do_dpr,
"Debug Policy Request processing\n",
"dpr_execute [address] - Processing dpr\n");

1
board/qca/arm/ipq9574/ipq9574.h
View file

@ -108,6 +108,7 @@
#define KERNEL_AUTH_CMD 0x1E
#define SCM_CMD_SEC_AUTH 0x1F
#define TME_DPR_PROCESSING 0x21
#ifdef CONFIG_SMEM_VERSION_C
#define RAM_PART_NAME_LENGTH 16