MIPS: Oceton: Update model detection code for new chips.

Several newer chips were not covered, update the code to detect them.
This necessitates updating cvmx-mio-defs.h as well, because it has new
and required definitions.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2939/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/cavium-octeon/executive/octeon-model.c

@@ -4,7 +4,7 @@
  * Contact: support@caviumnetworks.com
  * This file is part of the OCTEON SDK
  *
- * Copyright (c) 2003-2008 Cavium Networks
+ * Copyright (c) 2003-2010 Cavium Networks
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, Version 2, as
@@ -25,10 +25,6 @@
  * Contact Cavium Networks for more information
  ***********************license end**************************************/
 
-/*
- * File defining functions for working with different Octeon
- * models.
- */
 #include <asm/octeon/octeon.h>
 
 /**
@@ -69,11 +65,12 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 	char fuse_model[10];
 	uint32_t fuse_data = 0;
 
+	fus3.u64 = 0;
+	if (!OCTEON_IS_MODEL(OCTEON_CN6XXX))
 		fus3.u64 = cvmx_read_csr(CVMX_L2D_FUS3);
 	fus_dat2.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT2);
 	fus_dat3.u64 = cvmx_read_csr(CVMX_MIO_FUS_DAT3);
-
-	num_cores = cvmx_octeon_num_cores();
+	num_cores = cvmx_pop(cvmx_read_csr(CVMX_CIU_FUSE));
 
 	/* Make sure the non existent devices look disabled */
 	switch ((chip_id >> 8) & 0xff) {
@@ -108,7 +105,7 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 	 * Assume pass number is encoded using <5:3><2:0>. Exceptions
 	 * will be fixed later.
 	 */
-	sprintf(pass, "%u.%u", ((chip_id >> 3) & 7) + 1, chip_id & 7);
+	sprintf(pass, "%d.%d", (int)((chip_id >> 3) & 7) + 1, (int)chip_id & 7);
 
 	/*
 	 * Use the number of cores to determine the last 2 digits of
@@ -116,6 +113,12 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 	 * later.
 	 */
 	switch (num_cores) {
+	case 32:
+		core_model = "80";
+		break;
+	case 24:
+		core_model = "70";
+		break;
 	case 16:
 		core_model = "60";
 		break;
@@ -246,8 +249,8 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 		break;
 	case 3:		/* CN58XX */
 		family = "58";
-		/* Special case. 4 core, no crypto */
-		if ((num_cores == 4) && fus_dat2.cn38xx.nocrypto)
+		/* Special case. 4 core, half cache (CP with half cache) */
+		if ((num_cores == 4) && fus3.cn58xx.crip_1024k && !strncmp(suffix, "CP", 2))
 			core_model = "29";
 
 		/* Pass 1 uses different encodings for pass numbers */
@@ -285,6 +288,9 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 				suffix = "NSP";
 				if (fus_dat3.s.nozip)
 					suffix = "SCP";
+
+				if (fus_dat3.s.bar2_en)
+					suffix = "NSPB2";
 			}
 			if (fus3.cn56xx.crip_1024k)
 				family = "54";
@@ -301,6 +307,60 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 		else
 			family = "52";
 		break;
+	case 0x93:		/* CN61XX */
+		family = "61";
+		if (fus_dat2.cn61xx.nocrypto && fus_dat2.cn61xx.dorm_crypto)
+			suffix = "AP";
+		if (fus_dat2.cn61xx.nocrypto)
+			suffix = "CP";
+		else if (fus_dat2.cn61xx.dorm_crypto)
+			suffix = "DAP";
+		else if (fus_dat3.cn61xx.nozip)
+			suffix = "SCP";
+		break;
+	case 0x90:		/* CN63XX */
+		family = "63";
+		if (fus_dat3.s.l2c_crip == 2)
+			family = "62";
+		if (num_cores == 6)	/* Other core counts match generic */
+			core_model = "35";
+		if (fus_dat2.cn63xx.nocrypto)
+			suffix = "CP";
+		else if (fus_dat2.cn63xx.dorm_crypto)
+			suffix = "DAP";
+		else if (fus_dat3.cn63xx.nozip)
+			suffix = "SCP";
+		else
+			suffix = "AAP";
+		break;
+	case 0x92:		/* CN66XX */
+		family = "66";
+		if (num_cores == 6)	/* Other core counts match generic */
+			core_model = "35";
+		if (fus_dat2.cn66xx.nocrypto && fus_dat2.cn66xx.dorm_crypto)
+			suffix = "AP";
+		if (fus_dat2.cn66xx.nocrypto)
+			suffix = "CP";
+		else if (fus_dat2.cn66xx.dorm_crypto)
+			suffix = "DAP";
+		else if (fus_dat3.cn66xx.nozip)
+			suffix = "SCP";
+		else
+			suffix = "AAP";
+		break;
+	case 0x91:		/* CN68XX */
+		family = "68";
+		if (fus_dat2.cn68xx.nocrypto && fus_dat3.cn68xx.nozip)
+			suffix = "CP";
+		else if (fus_dat2.cn68xx.dorm_crypto)
+			suffix = "DAP";
+		else if (fus_dat3.cn68xx.nozip)
+			suffix = "SCP";
+		else if (fus_dat2.cn68xx.nocrypto)
+			suffix = "SP";
+		else
+			suffix = "AAP";
+		break;
 	default:
 		family = "XX";
 		core_model = "XX";
@@ -310,49 +370,40 @@ const char *octeon_model_get_string_buffer(uint32_t chip_id, char *buffer)
 	}
 
 	clock_mhz = octeon_get_clock_rate() / 1000000;
-
 	if (family[0] != '3') {
+		int fuse_base = 384 / 8;
+		if (family[0] == '6')
+			fuse_base = 832 / 8;
+
 		/* Check for model in fuses, overrides normal decode */
 		/* This is _not_ valid for Octeon CN3XXX models */
-		fuse_data |= cvmx_fuse_read_byte(51);
+		fuse_data |= cvmx_fuse_read_byte(fuse_base + 3);
 		fuse_data = fuse_data << 8;
-		fuse_data |= cvmx_fuse_read_byte(50);
+		fuse_data |= cvmx_fuse_read_byte(fuse_base + 2);
 		fuse_data = fuse_data << 8;
-		fuse_data |= cvmx_fuse_read_byte(49);
+		fuse_data |= cvmx_fuse_read_byte(fuse_base + 1);
 		fuse_data = fuse_data << 8;
-		fuse_data |= cvmx_fuse_read_byte(48);
+		fuse_data |= cvmx_fuse_read_byte(fuse_base);
 		if (fuse_data & 0x7ffff) {
 			int model = fuse_data & 0x3fff;
 			int suffix = (fuse_data >> 14) & 0x1f;
 			if (suffix && model) {
-				/*
-				 * Have both number and suffix in
-				 * fuses, so both
-				 */
-				sprintf(fuse_model, "%d%c",
-					model, 'A' + suffix - 1);
+				/* Have both number and suffix in fuses, so both */
+				sprintf(fuse_model, "%d%c", model, 'A' + suffix - 1);
 				core_model = "";
 				family = fuse_model;
 			} else if (suffix && !model) {
-				/*
-				 * Only have suffix, so add suffix to
-				 * 'normal' model number.
-				 */
-				sprintf(fuse_model, "%s%c", core_model,
-					'A' + suffix - 1);
+				/* Only have suffix, so add suffix to 'normal' model number */
+				sprintf(fuse_model, "%s%c", core_model, 'A' + suffix - 1);
 				core_model = fuse_model;
 			} else {
-				/*
-				 * Don't have suffix, so just use
-				 * model from fuses.
-				 */
+				/* Don't have suffix, so just use model from fuses */
 				sprintf(fuse_model, "%d", model);
 				core_model = "";
 				family = fuse_model;
 			}
 		}
 	}
-	sprintf(buffer, "CN%s%sp%s-%d-%s",
-		family, core_model, pass, clock_mhz, suffix);
+	sprintf(buffer, "CN%s%sp%s-%d-%s", family, core_model, pass, clock_mhz, suffix);
 	return buffer;
 }