@@ -37,6 +37,9 @@
#define DRVNAME "brcmstb-dpfe"
+/* Generic constants */
+#define MHS_VERSION 0x04000000
+
/* DCPU register offsets */
#define REG_DCPU_RESET 0x0
#define REG_TO_DCPU_MBOX 0x10
@@ -301,6 +304,28 @@ static const struct dpfe_api dpfe_api_v3 = {
},
};
+/* API v4 firmware commands */
+static struct dpfe_api dpfe_api_v4 = {
+ .version = 4,
+ .fw_name = NULL, /* We expect the firmware to have been downloaded! */
+ .sysfs_attrs = dpfe_v3_groups, /* Same as v3 */
+ .command = {
+ [DPFE_CMD_GET_INFO] = {
+ [MSG_HEADER] = DPFE_MSG_TYPE_COMMAND,
+ [MSG_COMMAND] = 0x0101,
+ [MSG_ARG_COUNT] = 2,
+ [MSG_ARG0] = MHS_VERSION,
+ [MSG_ARG0 + 1] = 1, /* Now the 2nd argument */
+ },
+ [DPFE_CMD_GET_REFRESH] = {
+ [MSG_HEADER] = DPFE_MSG_TYPE_COMMAND,
+ [MSG_COMMAND] = 0x0202,
+ [MSG_ARG_COUNT] = 1,
+ [MSG_ARG0] = MHS_VERSION,
+ },
+ },
+};
+
static const char *get_error_text(unsigned int i)
{
static const char * const error_text[] = {
@@ -932,6 +957,7 @@ static const struct of_device_id brcmstb_dpfe_of_match[] = {
{ .compatible = "brcm,dpfe-cpu-v1", .data = &dpfe_api_old_v2 },
{ .compatible = "brcm,dpfe-cpu-v2", .data = &dpfe_api_new_v2 },
{ .compatible = "brcm,dpfe-cpu-v3", .data = &dpfe_api_v3 },
+ { .compatible = "brcm,dpfe-cpu-v4", .data = &dpfe_api_v4 },
/*
* This "default" compatible string should no longer be used. It has
Add support for version 4 of the DPFE API. This new version is largely identical to version 3. The main difference is that all commands now take the MHS version number as the first argument. Any other arguments have been pushed down by one (i.e. what used to be arg0 in v3 is arg1 in v4). Signed-off-by: Markus Mayer <mmayer@broadcom.com> --- drivers/memory/brcmstb_dpfe.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)