---

yaml
---
r: 332215
b: refs/heads/master
c: 70a26a2
h: refs/heads/master
i:
  332213: d6ba57a
  332211: 50aa587
  332207: fc5150d
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9b11d4370c3a425e18ffccc1e93062864eca7337
+refs/heads/master: 70a26a219cc0eedae4529c27fe1abfb2a02e373b

trunk/arch/mips/Kbuild.platforms

@@ -15,6 +15,7 @@ platforms += lantiq
 platforms += lasat
 platforms += loongson
 platforms += loongson1
+platforms += mipssim
 platforms += mti-malta
 platforms += netlogic
 platforms += pmc-sierra

trunk/arch/mips/Kconfig

@@ -320,6 +320,25 @@ config MIPS_MALTA
 	  This enables support for the MIPS Technologies Malta evaluation
 	  board.
 
+config MIPS_SIM
+	bool 'MIPS simulator (MIPSsim)'
+	select CEVT_R4K
+	select CSRC_R4K
+	select DMA_NONCOHERENT
+	select SYS_HAS_EARLY_PRINTK
+	select IRQ_CPU
+	select BOOT_RAW
+	select SYS_HAS_CPU_MIPS32_R1
+	select SYS_HAS_CPU_MIPS32_R2
+	select SYS_HAS_EARLY_PRINTK
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_BIG_ENDIAN
+	select SYS_SUPPORTS_MULTITHREADING
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	help
+	  This option enables support for MIPS Technologies MIPSsim software
+	  emulator.
+
 config NEC_MARKEINS
 	bool "NEC EMMA2RH Mark-eins board"
 	select SOC_EMMA2RH

trunk/arch/mips/cavium-octeon/csrc-octeon.c

@@ -4,7 +4,7 @@
  * for more details.
  *
  * Copyright (C) 2007 by Ralf Baechle
- * Copyright (C) 2009, 2010 Cavium Networks, Inc.
+ * Copyright (C) 2009, 2012 Cavium, Inc.
  */
 #include <linux/clocksource.h>
 #include <linux/export.h>
@@ -18,6 +18,33 @@
 #include <asm/octeon/cvmx-ipd-defs.h>
 #include <asm/octeon/cvmx-mio-defs.h>
 
+
+static u64 f;
+static u64 rdiv;
+static u64 sdiv;
+static u64 octeon_udelay_factor;
+static u64 octeon_ndelay_factor;
+
+void __init octeon_setup_delays(void)
+{
+	octeon_udelay_factor = octeon_get_clock_rate() / 1000000;
+	/*
+	 * For __ndelay we divide by 2^16, so the factor is multiplied
+	 * by the same amount.
+	 */
+	octeon_ndelay_factor = (octeon_udelay_factor * 0x10000ull) / 1000ull;
+
+	preset_lpj = octeon_get_clock_rate() / HZ;
+
+	if (current_cpu_type() == CPU_CAVIUM_OCTEON2) {
+		union cvmx_mio_rst_boot rst_boot;
+		rst_boot.u64 = cvmx_read_csr(CVMX_MIO_RST_BOOT);
+		rdiv = rst_boot.s.c_mul;	/* CPU clock */
+		sdiv = rst_boot.s.pnr_mul;	/* I/O clock */
+		f = (0x8000000000000000ull / sdiv) * 2;
+	}
+}
+
 /*
  * Set the current core's cvmcount counter to the value of the
  * IPD_CLK_COUNT.  We do this on all cores as they are brought
@@ -30,17 +57,6 @@ void octeon_init_cvmcount(void)
 {
 	unsigned long flags;
 	unsigned loops = 2;
-	u64 f = 0;
-	u64 rdiv = 0;
-	u64 sdiv = 0;
-	if (current_cpu_type() == CPU_CAVIUM_OCTEON2) {
-		union cvmx_mio_rst_boot rst_boot;
-		rst_boot.u64 = cvmx_read_csr(CVMX_MIO_RST_BOOT);
-		rdiv = rst_boot.s.c_mul;	/* CPU clock */
-		sdiv = rst_boot.s.pnr_mul;	/* I/O clock */
-		f = (0x8000000000000000ull / sdiv) * 2;
-	}
-
 
 	/* Clobber loops so GCC will not unroll the following while loop. */
 	asm("" : "+r" (loops));
@@ -57,9 +73,9 @@ void octeon_init_cvmcount(void)
 			if (f != 0) {
 				asm("dmultu\t%[cnt],%[f]\n\t"
 				    "mfhi\t%[cnt]"
-				    : [cnt] "+r" (ipd_clk_count),
-				      [f] "=r" (f)
-				    : : "hi", "lo");
+				    : [cnt] "+r" (ipd_clk_count)
+				    : [f] "r" (f)
+				    : "hi", "lo");
 			}
 		}
 		write_c0_cvmcount(ipd_clk_count);
@@ -109,21 +125,6 @@ void __init plat_time_init(void)
 	clocksource_register_hz(&clocksource_mips, octeon_get_clock_rate());
 }
 
-static u64 octeon_udelay_factor;
-static u64 octeon_ndelay_factor;
-
-void __init octeon_setup_delays(void)
-{
-	octeon_udelay_factor = octeon_get_clock_rate() / 1000000;
-	/*
-	 * For __ndelay we divide by 2^16, so the factor is multiplied
-	 * by the same amount.
-	 */
-	octeon_ndelay_factor = (octeon_udelay_factor * 0x10000ull) / 1000ull;
-
-	preset_lpj = octeon_get_clock_rate() / HZ;
-}
-
 void __udelay(unsigned long us)
 {
 	u64 cur, end, inc;
@@ -163,3 +164,35 @@ void __delay(unsigned long loops)
 		cur = read_c0_cvmcount();
 }
 EXPORT_SYMBOL(__delay);
+
+
+/**
+ * octeon_io_clk_delay - wait for a given number of io clock cycles to pass.
+ *
+ * We scale the wait by the clock ratio, and then wait for the
+ * corresponding number of core clocks.
+ *
+ * @count: The number of clocks to wait.
+ */
+void octeon_io_clk_delay(unsigned long count)
+{
+	u64 cur, end;
+
+	cur = read_c0_cvmcount();
+	if (rdiv != 0) {
+		end = count * rdiv;
+		if (f != 0) {
+			asm("dmultu\t%[cnt],%[f]\n\t"
+				"mfhi\t%[cnt]"
+				: [cnt] "+r" (end)
+				: [f] "r" (f)
+				: "hi", "lo");
+		}
+		end = cur + end;
+	} else {
+		end = cur + count;
+	}
+	while (end > cur)
+		cur = read_c0_cvmcount();
+}
+EXPORT_SYMBOL(octeon_io_clk_delay);

trunk/arch/mips/cavium-octeon/executive/cvmx-interrupt-rsl.c

@@ -130,7 +130,7 @@ void __cvmx_interrupt_gmxx_enable(int interface)
 	if (num_ports) {
 		if (OCTEON_IS_MODEL(OCTEON_CN38XX)
 		    || OCTEON_IS_MODEL(OCTEON_CN58XX))
-			gmx_tx_int_en.cn38xx.ncb_nxa = 1;
+			gmx_tx_int_en.s.ncb_nxa = 1;
 		gmx_tx_int_en.s.pko_nxa = 1;
 	}
 	gmx_tx_int_en.s.undflw = (1 << num_ports) - 1;