linux/brcm47xx: properly fix r24096
authorAlexandros C. Couloumbis <alex@ozo.com>
Mon, 22 Nov 2010 18:16:55 +0000 (18:16 +0000)
committerAlexandros C. Couloumbis <alex@ozo.com>
Mon, 22 Nov 2010 18:16:55 +0000 (18:16 +0000)
SVN-Revision: 24102

target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch [new file with mode: 0644]
target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-revert_decouple_bmips_cpu_support.patch [deleted file]
target/linux/brcm47xx/patches-2.6.37/150-cpu_fixes.patch

diff --git a/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch b/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-bmips4kc_fix.patch
new file mode 100644 (file)
index 0000000..3b6c797
--- /dev/null
@@ -0,0 +1,34 @@
+--- a/arch/mips/kernel/cpu-probe.c
++++ b/arch/mips/kernel/cpu-probe.c
+@@ -934,8 +934,8 @@ static inline void cpu_probe_broadcom(st
+               c->options |= MIPS_CPU_ULRI;
+               break;
+       case PRID_IMP_BMIPS4KC:
+-              c->cputype = CPU_4KC;
+-              __cpu_name[cpu] = "MIPS 4Kc";
++              c->cputype = CPU_BMIPS4KC;
++              __cpu_name[cpu] = "Broadcom BMIPS4Kc";
+               break;
+       }
+ }
+--- a/arch/mips/include/asm/cpu.h
++++ b/arch/mips/include/asm/cpu.h
+@@ -227,7 +227,7 @@ enum cpu_type_enum {
+        */
+       CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
+       CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
+-      CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC,
++      CPU_BMIPS4380, CPU_BMIPS4KC, CPU_BMIPS5000, CPU_JZRISC,
+       /*
+        * MIPS64 class processors
+--- a/arch/mips/mm/tlbex.c
++++ b/arch/mips/mm/tlbex.c
+@@ -342,6 +342,7 @@ static void __cpuinit build_tlb_write_en
+       case CPU_BMIPS3300:
+       case CPU_BMIPS4350:
+       case CPU_BMIPS4380:
++      case CPU_BMIPS4KC:
+       case CPU_BMIPS5000:
+       case CPU_LOONGSON2:
+       case CPU_R5500:
diff --git a/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-revert_decouple_bmips_cpu_support.patch b/target/linux/brcm47xx/patches-2.6.37/017-MIPS-BCM47xx-revert_decouple_bmips_cpu_support.patch
deleted file mode 100644 (file)
index d5d6cf3..0000000
+++ /dev/null
@@ -1,193 +0,0 @@
---- a/arch/mips/bcm63xx/cpu.c
-+++ b/arch/mips/bcm63xx/cpu.c
-@@ -10,9 +10,7 @@
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/cpu.h>
--#include <asm/cpu.h>
- #include <asm/cpu-info.h>
--#include <asm/mipsregs.h>
- #include <bcm63xx_cpu.h>
- #include <bcm63xx_regs.h>
- #include <bcm63xx_io.h>
-@@ -298,24 +296,26 @@ void __init bcm63xx_cpu_init(void)
-       expected_cpu_id = 0;
-       switch (c->cputype) {
--      case CPU_BMIPS3300:
--              if ((read_c0_prid() & 0xff00) == PRID_IMP_BMIPS3300_ALT) {
--                      expected_cpu_id = BCM6348_CPU_ID;
--                      bcm63xx_regs_base = bcm96348_regs_base;
--                      bcm63xx_irqs = bcm96348_irqs;
--              } else {
--                      __cpu_name[cpu] = "Broadcom BCM6338";
--                      expected_cpu_id = BCM6338_CPU_ID;
--                      bcm63xx_regs_base = bcm96338_regs_base;
--                      bcm63xx_irqs = bcm96338_irqs;
--              }
-+      /*
-+       * BCM6338 as the same PrId as BCM3302 see arch/mips/kernel/cpu-probe.c
-+       */
-+      case CPU_BCM3302:
-+              __cpu_name[cpu] = "Broadcom BCM6338";
-+              expected_cpu_id = BCM6338_CPU_ID;
-+              bcm63xx_regs_base = bcm96338_regs_base;
-+              bcm63xx_irqs = bcm96338_irqs;
-               break;
--      case CPU_BMIPS32:
-+      case CPU_BCM6345:
-               expected_cpu_id = BCM6345_CPU_ID;
-               bcm63xx_regs_base = bcm96345_regs_base;
-               bcm63xx_irqs = bcm96345_irqs;
-               break;
--      case CPU_BMIPS4350:
-+      case CPU_BCM6348:
-+              expected_cpu_id = BCM6348_CPU_ID;
-+              bcm63xx_regs_base = bcm96348_regs_base;
-+              bcm63xx_irqs = bcm96348_irqs;
-+              break;
-+      case CPU_BCM6358:
-               expected_cpu_id = BCM6358_CPU_ID;
-               bcm63xx_regs_base = bcm96358_regs_base;
-               bcm63xx_irqs = bcm96358_irqs;
---- a/arch/mips/include/asm/cpu.h
-+++ b/arch/mips/include/asm/cpu.h
-@@ -111,16 +111,14 @@
-  * These are the PRID's for when 23:16 == PRID_COMP_BROADCOM
-  */
--#define PRID_IMP_BMIPS4KC     0x4000
--#define PRID_IMP_BMIPS32      0x8000
--#define PRID_IMP_BMIPS3300    0x9000
--#define PRID_IMP_BMIPS3300_ALT        0x9100
--#define PRID_IMP_BMIPS3300_BUG        0x0000
--#define PRID_IMP_BMIPS43XX    0xa000
--#define PRID_IMP_BMIPS5000    0x5a00
--
--#define PRID_REV_BMIPS4380_LO 0x0040
--#define PRID_REV_BMIPS4380_HI 0x006f
-+#define PRID_IMP_BCM4710      0x4000
-+#define PRID_IMP_BCM3302      0x9000
-+#define PRID_IMP_BCM6338      0x9000
-+#define PRID_IMP_BCM6345      0x8000
-+#define PRID_IMP_BCM6348      0x9100
-+#define PRID_IMP_BCM4350      0xA000
-+#define PRID_REV_BCM6358      0x0010
-+#define PRID_REV_BCM6368      0x0030
- /*
-  * These are the PRID's for when 23:16 == PRID_COMP_CAVIUM
-@@ -226,8 +224,9 @@ enum cpu_type_enum {
-        * MIPS32 class processors
-        */
-       CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
--      CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
--      CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC,
-+      CPU_ALCHEMY, CPU_PR4450, CPU_BCM3302, CPU_BCM4710,
-+      CPU_BCM6338, CPU_BCM6345, CPU_BCM6348, CPU_BCM6358,
-+      CPU_JZRISC,
-       /*
-        * MIPS64 class processors
---- a/arch/mips/kernel/cpu-probe.c
-+++ b/arch/mips/kernel/cpu-probe.c
-@@ -183,10 +183,10 @@ void __init check_wait(void)
-       case CPU_5KC:
-       case CPU_25KF:
-       case CPU_PR4450:
--      case CPU_BMIPS3300:
--      case CPU_BMIPS4350:
--      case CPU_BMIPS4380:
--      case CPU_BMIPS5000:
-+      case CPU_BCM3302:
-+      case CPU_BCM6338:
-+      case CPU_BCM6348:
-+      case CPU_BCM6358:
-       case CPU_CAVIUM_OCTEON:
-       case CPU_CAVIUM_OCTEON_PLUS:
-       case CPU_CAVIUM_OCTEON2:
-@@ -905,37 +905,33 @@ static inline void cpu_probe_broadcom(st
- {
-       decode_configs(c);
-       switch (c->processor_id & 0xff00) {
--      case PRID_IMP_BMIPS32:
--              c->cputype = CPU_BMIPS32;
--              __cpu_name[cpu] = "Broadcom BMIPS32";
--              break;
--      case PRID_IMP_BMIPS3300:
--      case PRID_IMP_BMIPS3300_ALT:
--      case PRID_IMP_BMIPS3300_BUG:
--              c->cputype = CPU_BMIPS3300;
--              __cpu_name[cpu] = "Broadcom BMIPS3300";
--              break;
--      case PRID_IMP_BMIPS43XX: {
--              int rev = c->processor_id & 0xff;
--
--              if (rev >= PRID_REV_BMIPS4380_LO &&
--                              rev <= PRID_REV_BMIPS4380_HI) {
--                      c->cputype = CPU_BMIPS4380;
--                      __cpu_name[cpu] = "Broadcom BMIPS4380";
--              } else {
--                      c->cputype = CPU_BMIPS4350;
--                      __cpu_name[cpu] = "Broadcom BMIPS4350";
--              }
--              break;
--      }
--      case PRID_IMP_BMIPS5000:
--              c->cputype = CPU_BMIPS5000;
--              __cpu_name[cpu] = "Broadcom BMIPS5000";
--              c->options |= MIPS_CPU_ULRI;
-+      case PRID_IMP_BCM3302:
-+       /* same as PRID_IMP_BCM6338 */
-+              c->cputype = CPU_BCM3302;
-+              __cpu_name[cpu] = "Broadcom BCM3302";
-+              break;
-+      case PRID_IMP_BCM4710:
-+              c->cputype = CPU_BCM4710;
-+              __cpu_name[cpu] = "Broadcom BCM4710";
-+              break;
-+      case PRID_IMP_BCM6345:
-+              c->cputype = CPU_BCM6345;
-+              __cpu_name[cpu] = "Broadcom BCM6345";
-+              break;
-+      case PRID_IMP_BCM6348:
-+              c->cputype = CPU_BCM6348;
-+              __cpu_name[cpu] = "Broadcom BCM6348";
-               break;
--      case PRID_IMP_BMIPS4KC:
--              c->cputype = CPU_4KC;
--              __cpu_name[cpu] = "MIPS 4Kc";
-+      case PRID_IMP_BCM4350:
-+              switch (c->processor_id & 0xf0) {
-+              case PRID_REV_BCM6358:
-+                      c->cputype = CPU_BCM6358;
-+                      __cpu_name[cpu] = "Broadcom BCM6358";
-+                      break;
-+              default:
-+                      c->cputype = CPU_UNKNOWN;
-+                      break;
-+              }
-               break;
-       }
- }
---- a/arch/mips/mm/tlbex.c
-+++ b/arch/mips/mm/tlbex.c
-@@ -338,12 +338,13 @@ static void __cpuinit build_tlb_write_en
-       case CPU_4KSC:
-       case CPU_20KC:
-       case CPU_25KF:
--      case CPU_BMIPS32:
--      case CPU_BMIPS3300:
--      case CPU_BMIPS4350:
--      case CPU_BMIPS4380:
--      case CPU_BMIPS5000:
-+      case CPU_BCM3302:
-+      case CPU_BCM4710:
-       case CPU_LOONGSON2:
-+      case CPU_BCM6338:
-+      case CPU_BCM6345:
-+      case CPU_BCM6348:
-+      case CPU_BCM6358:
-       case CPU_R5500:
-               if (m4kc_tlbp_war())
-                       uasm_i_nop(p);
index eae16b0..18d2866 100644 (file)
         * silly idea of putting something else there ...
         */
        switch (current_cpu_type()) {
-+      case CPU_BCM3302:
++      case CPU_BMIPS3300:
 +              {
 +                      u32 cm;
 +                      cm = read_c0_diag();
  
 +      /* Check if special workarounds are required */
 +#ifdef CONFIG_BCM47XX
-+      if (current_cpu_data.cputype == CPU_BCM4710 && (current_cpu_data.processor_id & 0xff) == 0) {
++      if (current_cpu_data.cputype == CPU_BMIPS4KC && (current_cpu_data.processor_id & 0xff) == 0) {
 +              printk("Enabling BCM4710A0 cache workarounds.\n");
 +              bcm4710 = 1;
 +      } else