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authorHari Nagalla <hnagalla@ti.com>2024-05-09 09:20:35 -0500
committerTom Rini <trini@konsulko.com>2024-05-15 10:45:27 -0600
commit8d5e97181ebedb2a5d00552c65631a2f59081e36 (patch)
tree78db7a0bcea7ef85789276d70d3d7c1e7e7a4cbb
parenta5366098b650e5152ba83961faa719e523b09e42 (diff)
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remoteproc: k3-r5: Add support for R5F core on AM62A SoCs
AM62A has a R5F core in MCU voltage domain. Extend support for R5F remote proc driver on AM62A with compatible strings. Signed-off-by: Hari Nagalla <hnagalla@ti.com> Reviewed-by: Devarsh Thakkar <devarsht@ti.com>
-rw-r--r--drivers/remoteproc/ti_k3_r5f_rproc.c29
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/remoteproc/ti_k3_r5f_rproc.c b/drivers/remoteproc/ti_k3_r5f_rproc.c
index 631e548..35835b2 100644
--- a/drivers/remoteproc/ti_k3_r5f_rproc.c
+++ b/drivers/remoteproc/ti_k3_r5f_rproc.c
@@ -40,6 +40,8 @@
#define PROC_BOOT_CFG_FLAG_GEN_IGN_BOOTVECTOR 0x10000000
/* Available from J7200 SoCs onwards */
#define PROC_BOOT_CFG_FLAG_R5_MEM_INIT_DIS 0x00004000
+#define PROC_BOOT_CFG_FLAG_R5_SINGLE_CORE 0x00008000
+
/* R5 TI-SCI Processor Control Flags */
#define PROC_BOOT_CTRL_FLAG_R5_CORE_HALT 0x00000001
@@ -55,6 +57,8 @@
enum cluster_mode {
CLUSTER_MODE_SPLIT = 0,
CLUSTER_MODE_LOCKSTEP,
+ CLUSTER_MODE_SINGLECPU,
+ CLUSTER_MODE_SINGLECORE,
};
/**
@@ -65,6 +69,7 @@ enum cluster_mode {
struct k3_r5f_ip_data {
bool tcm_is_double;
bool tcm_ecc_autoinit;
+ bool is_single_core;
};
/**
@@ -599,8 +604,10 @@ static int k3_r5f_rproc_configure(struct k3_r5f_core *core)
/* Sanity check for Lockstep mode */
lockstep_permitted = !!(sts &
PROC_BOOT_STATUS_FLAG_R5_LOCKSTEP_PERMITTED);
- if (cluster->mode && is_primary_core(core) && !lockstep_permitted) {
- dev_err(core->dev, "LockStep mode not permitted on this device\n");
+ if (cluster->mode == CLUSTER_MODE_LOCKSTEP && is_primary_core(core) &&
+ !lockstep_permitted) {
+ dev_err(core->dev, "LockStep mode not permitted on this \
+ device\n");
ret = -EINVAL;
goto out;
}
@@ -615,6 +622,9 @@ static int k3_r5f_rproc_configure(struct k3_r5f_core *core)
clr_cfg |= PROC_BOOT_CFG_FLAG_R5_LOCKSTEP;
}
+ if (core->ipdata->is_single_core)
+ set_cfg = PROC_BOOT_CFG_FLAG_R5_SINGLE_CORE;
+
if (core->atcm_enable)
set_cfg |= PROC_BOOT_CFG_FLAG_R5_ATCM_EN;
else
@@ -853,11 +863,19 @@ static int k3_r5f_remove(struct udevice *dev)
static const struct k3_r5f_ip_data k3_data = {
.tcm_is_double = false,
.tcm_ecc_autoinit = false,
+ .is_single_core = false,
};
static const struct k3_r5f_ip_data j7200_j721s2_data = {
.tcm_is_double = true,
.tcm_ecc_autoinit = true,
+ .is_single_core = false,
+};
+
+static const struct k3_r5f_ip_data am62_data = {
+ .tcm_is_double = false,
+ .tcm_ecc_autoinit = false,
+ .is_single_core = true,
};
static const struct udevice_id k3_r5f_rproc_ids[] = {
@@ -865,6 +883,7 @@ static const struct udevice_id k3_r5f_rproc_ids[] = {
{ .compatible = "ti,j721e-r5f", .data = (ulong)&k3_data, },
{ .compatible = "ti,j7200-r5f", .data = (ulong)&j7200_j721s2_data, },
{ .compatible = "ti,j721s2-r5f", .data = (ulong)&j7200_j721s2_data, },
+ { .compatible = "ti,am62-r5f", .data = (ulong)&am62_data, },
{}
};
@@ -887,6 +906,11 @@ static int k3_r5f_cluster_probe(struct udevice *dev)
cluster->mode = dev_read_u32_default(dev, "ti,cluster-mode",
CLUSTER_MODE_LOCKSTEP);
+ if (device_is_compatible(dev, "ti,am62-r5fss")) {
+ cluster->mode = CLUSTER_MODE_SINGLECORE;
+ return 0;
+ }
+
if (device_get_child_count(dev) != 2) {
dev_err(dev, "Invalid number of R5 cores");
return -EINVAL;
@@ -903,6 +927,7 @@ static const struct udevice_id k3_r5fss_ids[] = {
{ .compatible = "ti,j721e-r5fss"},
{ .compatible = "ti,j7200-r5fss"},
{ .compatible = "ti,j721s2-r5fss"},
+ { .compatible = "ti,am62-r5fss"},
{}
};