chickens: Initial T6030 Everest/Sawtooth support

Signed-off-by: a-ramses <[email protected]>
AsahiLinux · Dec 13, 2024 · a412466 · a412466
1 parent e25b58a
commit a412466
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Showing 5 changed files with 75 additions and 0 deletions.
diff --git a/src/chickens.c b/src/chickens.c
@@ -39,6 +39,8 @@
 #define MIDR_PART_T6020_AVALANCHE   0x35
 #define MIDR_PART_T6021_BLIZZARD    0x38
 #define MIDR_PART_T6021_AVALANCHE   0x39
+#define MIDR_PART_T6030_SAWTOOTH    0x44
+#define MIDR_PART_T6030_EVEREST     0x45
 #define MIDR_PART_T6031_EVEREST     0x49
 #define MIDR_PART_T6031_SAWTOOTH    0x48
 
@@ -66,6 +68,8 @@ void init_t6020_blizzard(void);
 void init_t6020_avalanche(int rev);
 void init_t6021_blizzard(void);
 void init_t6021_avalanche(int rev);
+void init_t6030_sawtooth(void);
+void init_t6030_everest(int rev);
 void init_t6031_sawtooth(void);
 void init_t6031_everest(int rev);
 
@@ -204,6 +208,16 @@ const char *init_cpu(void)
             init_t6021_blizzard();
             break;
 
+        case MIDR_PART_T6030_EVEREST:
+            cpu = "M3 Pro Everest";
+            init_t6030_everest(rev);
+            break;
+
+        case MIDR_PART_T6030_SAWTOOTH:
+            cpu = "M3 Pro Sawtooth";
+            init_t6030_sawtooth();
+            break;
+
         case MIDR_PART_T6031_EVEREST:
             cpu = "M3 Max Everest";
             init_t6031_everest(rev);

diff --git a/src/chickens_everest.c b/src/chickens_everest.c
@@ -36,6 +36,49 @@ static void init_common_everest(void)
     reg_clr(s3_0_c15_c2_4, BIT(0) | BIT(1) | BIT(16) | BIT(17) | BIT(18) | BIT(22));
 }
 
+void init_t6030_everest(int rev)
+{
+    UNUSED(rev);
+    msr(s3_1_c15_c1_5, 0x1uL);
+    if (in_el2())
+        msr(s3_4_c15_c14_6, 0x3uL);
+
+    reg_set(SYS_IMP_APL_HID16, BIT(54));
+    reg_set(SYS_IMP_APL_HID3, HID3_DEV_PCIE_THROTTLE_ENABLE);
+    reg_mask(SYS_IMP_APL_HID3, HID3_DEV_PCIE_THROTTLE_LIMIT_MASK, HID3_DEV_PCIE_THROTTLE_LIMIT(60));
+    reg_clr(SYS_IMP_APL_HID3, BIT(4));
+    reg_set(SYS_IMP_APL_HID9, BIT(17));
+    reg_mask(SYS_IMP_APL_HID13,
+             HID13_POST_OFF_CYCLES_MASK | HID13_POST_ON_CYCLES_MASK |
+             HID13_PRE_CYCLES_MASK | HID13_GROUP0_FF0_DELAY_MASK |
+                 HID13_GROUP0_FF1_DELAY_MASK | HID13_GROUP0_FF2_DELAY_MASK |
+                 HID13_GROUP0_FF3_DELAY_MASK | HID13_GROUP0_FF4_DELAY_MASK |
+                 HID13_GROUP0_FF5_DELAY_MASK | HID13_GROUP0_FF6_DELAY_MASK |
+                 HID13_GROUP0_FF7_DELAY_MASK | HID13_RESET_CYCLES_MASK,
+             HID13_POST_OFF_CYCLES(4) | HID13_POST_ON_CYCLES(5) | HID13_PRE_CYCLES(1) | HID13_GROUP0_FF0_DELAY(0)  |
+                 HID13_GROUP0_FF1_DELAY(4) | HID13_GROUP0_FF2_DELAY(4) | HID13_GROUP0_FF3_DELAY(4) |
+                 HID13_GROUP0_FF4_DELAY(4) | HID13_GROUP0_FF5_DELAY(4) | HID13_GROUP0_FF6_DELAY(4) |
+                 HID13_GROUP0_FF7_DELAY(4) | HID13_RESET_CYCLES(0));
+
+    msr(SYS_IMP_APL_HID26,
+             HID26_GROUP1_OFFSET(0x16 | (0x2 << 8) | (0x2 << 12) | (0x2 << 16) | (0x2 << 20) | (0x2 << 24) | (0x2 << 28) | (0x2uL << 32)) |
+             HID26_GROUP2_OFFSET(0x23 | (0x1 << 8) | (0x1 << 12) | (0x1 << 16) | (0x1 << 20) | (0x1 << 24)));
+
+    reg_mask(SYS_IMP_APL_HID27,
+             GENMASK(43, 40) | GENMASK(39, 36) | GENMASK(35, 32) | GENMASK(31, 28) |
+                 GENMASK(27, 24) | GENMASK(23, 20) | GENMASK(19, 16) | GENMASK(15, 8) |
+                 GENMASK(7, 4) | GENMASK(3, 0),
+             BIT(40) | BIT(36) | BIT(32) | BIT(28) | BIT(24) | BIT(20) | BIT(16) | 0x2b00uL |
+                 BIT(4) | BIT(0));
+
+    reg_set(SYS_IMP_APL_HID18, BIT(61) | HID18_GENTER_SPECULATION_DISABLE | HID18_GEXIT_EL_SPECULATION_DISABLE);
+
+    reg_set(s3_0_c15_c2_3, BIT(3));
+    reg_clr(s3_0_c15_c2_4, BIT(0) | BIT(1) | BIT(16) | BIT(17) | BIT(18) | BIT(22));
+
+    reg_set(SYS_IMP_APL_HID4, HID4_ENABLE_LFSR_STALL_LOAD_PIPE2_ISSUE);
+}
+
 void init_t6031_everest(int rev)
 {
     UNUSED(rev);

diff --git a/src/chickens_sawtooth.c b/src/chickens_sawtooth.c
@@ -8,6 +8,19 @@ static void init_common_sawtooth(void)
     reg_set(SYS_IMP_APL_EHID0, EHID0_BLI_UNK32);
 }
 
+void init_t6030_sawtooth(void)
+{
+    // disable CNTFREQ scaling 1GHz
+    msr(s3_1_c15_c1_5, 0x3uL);
+    init_common_sawtooth();
+    reg_mask(SYS_IMP_APL_EHID9, EHID9_DEV_2_THROTTLE_LIMIT_MASK, EHID9_DEV_2_THROTTLE_LIMIT(62));
+    reg_set(SYS_IMP_APL_EHID9, EHID9_DEV_2_THROTTLE_ENABLE);
+
+    reg_set(SYS_IMP_APL_EHID18, EHID18_BLZ_UNK34);
+
+    reg_mask(SYS_IMP_APL_HID5, HID5_BLZ_UNK_19_18_MASK, HID5_BLZ_UNK19);
+}
+
 void init_t6031_sawtooth(void)
 {
     init_common_sawtooth();

diff --git a/src/cpu_regs.h b/src/cpu_regs.h
@@ -339,6 +339,8 @@
 #define HID13_POST_ON_CYCLES_MASK   GENMASK(13, 7)
 #define HID13_PRE_CYCLES(x)         ((ULONG(x)) << 14)
 #define HID13_PRE_CYCLES_MASK       GENMASK(17, 14)
+#define HID13_GROUP0_FF0_DELAY(x)   ((ULONG(x)) << 18)
+#define HID13_GROUP0_FF0_DELAY_MASK GENMASK(25, 18)
 #define HID13_GROUP0_FF1_DELAY(x)   ((ULONG(x)) << 26)
 #define HID13_GROUP0_FF1_DELAY_MASK GENMASK(29, 26)
 #define HID13_GROUP0_FF2_DELAY(x)   ((ULONG(x)) << 30)

diff --git a/src/soc.h b/src/soc.h
@@ -25,6 +25,7 @@
 #define T6020 0x6020
 #define T6021 0x6021
 #define T6022 0x6022
+#define T6030 0x6030
 #define T6031 0x6031
 #define T6034 0x6034
 
@@ -41,6 +42,8 @@
 #define EARLY_UART_BASE 0x391200000
 #elif TARGET == T8015
 #define EARLY_UART_BASE 0x22e600000
+#elif TARGET == T6030
+#define EARLY_UART_BASE 0x289200000
 #elif TARGET == T7000 || TARGET == T7001 || TARGET == S8000 || TARGET == S8001 ||                  \
     TARGET == S8003 || TARGET == T8010 || TARGET == T8011
 #if TARGET == T7000 && defined(TARGET_BOARD) && TARGET_BOARD == 0x34 // Apple TV HD