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Diffstat (limited to 'arch/arm/mach-k3/am62px/am62p5_fdt.c')
-rw-r--r--arch/arm/mach-k3/am62px/am62p5_fdt.c73
1 files changed, 37 insertions, 36 deletions
diff --git a/arch/arm/mach-k3/am62px/am62p5_fdt.c b/arch/arm/mach-k3/am62px/am62p5_fdt.c
index 2c40fa5a594..4a5ff594df6 100644
--- a/arch/arm/mach-k3/am62px/am62p5_fdt.c
+++ b/arch/arm/mach-k3/am62px/am62p5_fdt.c
@@ -3,9 +3,10 @@
* Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
*/
+#include <asm/arch/k3-common-fdt.h>
#include <asm/hardware.h>
-#include "../common_fdt.h"
#include <fdt_support.h>
+#include <fdtdec.h>
static void fdt_fixup_cores_wdt_nodes_am62p(void *blob, int core_nr)
{
@@ -38,50 +39,49 @@ static void fdt_fixup_canfd_nodes_am62p(void *blob, bool has_canfd)
}
}
-static int fdt_fixup_trips_node(void *blob, int zoneoffset, int maxc)
+static void fdt_fixup_cpu_freq_nodes_am62p(void *blob, int max_freq)
{
- int node, trip;
-
- node = fdt_subnode_offset(blob, zoneoffset, "trips");
- if (node < 0)
- return -1;
-
- fdt_for_each_subnode(trip, blob, node) {
- const char *type = fdt_getprop(blob, trip, "type", NULL);
-
- if (!type || (strncmp(type, "critical", 8) != 0))
- continue;
+ if (max_freq >= 1250000000)
+ return;
- if (fdt_setprop_u32(blob, trip, "temperature", 1000 * maxc) < 0)
- return -1;
+ if (max_freq <= 1000000000) {
+ fdt_del_node_path(blob, "/opp-table/opp-1250000000");
+ fdt_del_node_path(blob, "/opp-table/opp-1400000000");
}
-
- return 0;
}
-static void fdt_fixup_thermal_zone_nodes_am62p(void *blob, int maxc)
+static void fdt_fixup_thermal_cooling_device_cpus_am62p(void *blob, int core_nr)
{
- int node, zone;
+ static const char * const thermal_path[] = {
+ "/thermal-zones/main0-thermal/cooling-maps/map0",
+ "/thermal-zones/main1-thermal/cooling-maps/map0",
+ "/thermal-zones/main2-thermal/cooling-maps/map0"
+ };
- node = fdt_path_offset(blob, "/thermal-zones");
- if (node < 0)
- return;
+ int node, cnt, i, ret;
+ u32 cooling_dev[12];
- fdt_for_each_subnode(zone, blob, node) {
- if (fdt_fixup_trips_node(blob, zone, maxc) < 0)
- printf("Failed to set temperature in %s critical trips\n",
- fdt_get_name(blob, zone, NULL));
- }
-}
+ for (i = 0; i < ARRAY_SIZE(thermal_path); i++) {
+ int new_count = core_nr * 3; /* Each CPU has 3 entries */
+ int j;
-static void fdt_fixup_cpu_freq_nodes_am62p(void *blob, int max_freq)
-{
- if (max_freq >= 1250000000)
- return;
+ node = fdt_path_offset(blob, thermal_path[i]);
+ if (node < 0)
+ continue;
- if (max_freq <= 1000000000) {
- fdt_del_node_path(blob, "/opp-table/opp-1250000000");
- fdt_del_node_path(blob, "/opp-table/opp-1400000000");
+ cnt = fdtdec_get_int_array_count(blob, node, "cooling-device",
+ cooling_dev, ARRAY_SIZE(cooling_dev));
+ if (cnt < 0)
+ continue;
+
+ for (j = 0; j < new_count; j++)
+ cooling_dev[j] = cpu_to_fdt32(cooling_dev[j]);
+
+ ret = fdt_setprop(blob, node, "cooling-device", cooling_dev,
+ new_count * sizeof(u32));
+ if (ret < 0)
+ printf("Error %s, cooling-device setprop failed %d\n",
+ thermal_path[i], ret);
}
}
@@ -90,7 +90,8 @@ int ft_system_setup(void *blob, struct bd_info *bd)
fdt_fixup_cores_wdt_nodes_am62p(blob, k3_get_core_nr());
fdt_fixup_video_codec_nodes_am62p(blob, k3_has_video_codec());
fdt_fixup_canfd_nodes_am62p(blob, k3_has_canfd());
- fdt_fixup_thermal_zone_nodes_am62p(blob, k3_get_max_temp());
+ fdt_fixup_thermal_critical_trips_k3(blob, k3_get_max_temp());
+ fdt_fixup_thermal_cooling_device_cpus_am62p(blob, k3_get_core_nr());
fdt_fixup_cpu_freq_nodes_am62p(blob, k3_get_a53_max_frequency());
fdt_fixup_reserved(blob, "tfa", CONFIG_K3_ATF_LOAD_ADDR, 0x80000);
fdt_fixup_reserved(blob, "optee", CONFIG_K3_OPTEE_LOAD_ADDR, 0x1800000);