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Re: Diff between Linus' and linux-mips git: VR4181

To: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Subject: Re: Diff between Linus' and linux-mips git: VR4181
From: Martin Michlmayr <tbm@cyrius.com>
Date: Mon, 20 Feb 2006 01:21:16 +0000
Cc: linux-mips@linux-mips.org
In-reply-to: <200602200107.k1K17suB021247@mbox03.po.2iij.net>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20060219234318.GA16311@deprecation.cyrius.com> <20060220000141.GX10266@deprecation.cyrius.com> <20060220001126.GA17967@deprecation.cyrius.com> <200602200107.k1K17suB021247@mbox03.po.2iij.net>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.11
* Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> [2006-02-20 10:07]:
> VR4181 has already been removed from the mainline and linux-mips. 
> I think linux-mips should synchronize with the mainline.

There are many references to VR4181 stil.  If VR4181 support is gone,
maybe we should do the following:

[MIPS] Remove last portions of incomplete VR4181 support

Signed-off-by: Martin Michlmayr <tbm@cyrius.com>


diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 4ca93ff..b89088e 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -503,7 +503,8 @@ config DDB5477
          ether port USB, AC97, PCI, etc.
 
 config MACH_VR41XX
-       bool "Support for NEC VR41XX-based machines"
+       bool "Support for NEC VR41XX based machines"
+       select SYS_HAS_CPU_VR41XX
 
 config PMC_YOSEMITE
        bool "Support for PMC-Sierra Yosemite eval board"
@@ -1016,9 +1017,6 @@ config MIPS_L1_CACHE_SHIFT
 config HAVE_STD_PC_SERIAL_PORT
        bool
 
-config VR4181
-       bool
-
 config ARC_CONSOLE
        bool "ARC console support"
        depends on SGI_IP22 || SNI_RM200_PCI
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index c6363ff..19b84f4 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -242,23 +242,14 @@ static inline void cpu_probe_legacy(stru
                break;
        case PRID_IMP_VR41XX:
                switch (c->processor_id & 0xf0) {
-#ifndef CONFIG_VR4181
                case PRID_REV_VR4111:
                        c->cputype = CPU_VR4111;
                        break;
-#else
-               case PRID_REV_VR4181:
-                       c->cputype = CPU_VR4181;
-                       break;
-#endif
                case PRID_REV_VR4121:
                        c->cputype = CPU_VR4121;
                        break;
                case PRID_REV_VR4122:
-                       if ((c->processor_id & 0xf) < 0x3)
-                               c->cputype = CPU_VR4122;
-                       else
-                               c->cputype = CPU_VR4181A;
+                       c->cputype = CPU_VR4122;
                        break;
                case PRID_REV_VR4130:
                        if ((c->processor_id & 0xf) < 0x4)
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 86fe15b..b31cd90 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -79,8 +79,6 @@ static const char *cpu_name[] = {
        [CPU_VR4122]    = "NEC VR4122",
        [CPU_VR4131]    = "NEC VR4131",
        [CPU_VR4133]    = "NEC VR4133",
-       [CPU_VR4181]    = "NEC VR4181",
-       [CPU_VR4181A]   = "NEC VR4181A",
        [CPU_SR71000]   = "Sandcraft SR71000",
        [CPU_PR4450]    = "Philips PR4450",
 };
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 1b71d91..2828a59 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -840,8 +840,6 @@ static void __init probe_pcache(void)
        case CPU_VR4111:
        case CPU_VR4121:
        case CPU_VR4122:
-       case CPU_VR4181:
-       case CPU_VR4181A:
                icache_size = 1 << (10 + ((config & CONF_IC) >> 9));
                c->icache.linesz = 16 << ((config & CONF_IB) >> 5);
                c->icache.ways = 1;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 0f94858..f96d6e0 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -908,8 +908,6 @@ static __init void build_tlb_write_entry
        case CPU_VR4111:
        case CPU_VR4121:
        case CPU_VR4122:
-       case CPU_VR4181:
-       case CPU_VR4181A:
                i_nop(p);
                i_nop(p);
                tlbw(p);
@@ -1054,8 +1052,6 @@ static __init void build_adjust_context(
        case CPU_VR4121:
        case CPU_VR4122:
        case CPU_VR4131:
-       case CPU_VR4181:
-       case CPU_VR4181A:
        case CPU_VR4133:
                shift += 2;
                break;
diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
index 818b9a9..ab2476b 100644
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -116,10 +116,8 @@
 #define PRID_REV_TX3922        0x0030
 #define PRID_REV_TX3927        0x0040
 #define PRID_REV_VR4111                0x0050
-#define PRID_REV_VR4181                0x0050  /* Same as VR4111 */
 #define PRID_REV_VR4121                0x0060
 #define PRID_REV_VR4122                0x0070
-#define PRID_REV_VR4181A       0x0070  /* Same as VR4122 */
 #define PRID_REV_VR4130                0x0080
 
 /*
@@ -183,8 +181,6 @@
 #define CPU_VR4121             47
 #define CPU_VR4122             48
 #define CPU_VR4131             49
-#define CPU_VR4181             50
-#define CPU_VR4181A            51
 #define CPU_AU1100             52
 #define CPU_SR71000            53
 #define CPU_RM9000             54
diff --git a/include/asm-mips/vr41xx/vr41xx.h b/include/asm-mips/vr41xx/vr41xx.h
index 70828d5..3ab7ad6 100644
--- a/include/asm-mips/vr41xx/vr41xx.h
+++ b/include/asm-mips/vr41xx/vr41xx.h
@@ -29,10 +29,6 @@
 #define PRID_VR4122_REV3_0     0x00000c71
 #define PRID_VR4122_REV3_1     0x00000c72
 
-/* VR4181A 0x00000c73-0x00000c7f */
-#define PRID_VR4181A_REV1_0    0x00000c73
-#define PRID_VR4181A_REV1_1    0x00000c74
-
 /* VR4131 0x00000c80-0x00000c83 */
 #define PRID_VR4131_REV1_2     0x00000c80
 #define PRID_VR4131_REV2_0     0x00000c81

-- 
Martin Michlmayr
http://www.cyrius.com/

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