AMCC PPC440EPx Sequoia board support.
Signed-off-by: Valentine Barshak <[EMAIL PROTECTED]>
---
arch/powerpc/kernel/cputable.c | 18 +++++++++
arch/powerpc/kernel/head_44x.S | 2 -
arch/powerpc/platforms/44x/Kconfig | 17 ++++++++-
arch/powerpc/platforms/44x/Makefile | 1
arch/powerpc/platforms/44x/sequoia.c | 66 +++++++++++++++++++++++++++++++++++
5 files changed, 102 insertions(+), 2 deletions(-)
diff -ruN linux-2.6.orig/arch/powerpc/kernel/cputable.c
linux-2.6/arch/powerpc/kernel/cputable.c
--- linux-2.6.orig/arch/powerpc/kernel/cputable.c 2007-08-27
14:08:42.000000000 +0400
+++ linux-2.6/arch/powerpc/kernel/cputable.c 2007-08-28 17:04:51.000000000
+0400
@@ -1132,6 +1132,24 @@
.dcache_bsize = 32,
.platform = "ppc440",
},
+ { /* 440EPX */
+ .pvr_mask = 0xf0000ffb,
+ .pvr_value = 0x200008D0,
+ .cpu_name = "440EPX",
+ .cpu_features = CPU_FTRS_44X,
+ .cpu_user_features = COMMON_USER_BOOKE |
PPC_FEATURE_HAS_FPU,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ },
+ { /* 440GRX */
+ .pvr_mask = 0xf0000ffb,
+ .pvr_value = 0x200008D8,
+ .cpu_name = "440GRX",
+ .cpu_features = CPU_FTRS_44X,
+ .cpu_user_features = COMMON_USER_BOOKE,
+ .icache_bsize = 32,
+ .dcache_bsize = 32,
+ },
{ /* 440GP Rev. B */
.pvr_mask = 0xf0000fff,
.pvr_value = 0x40000440,
diff -ruN linux-2.6.orig/arch/powerpc/kernel/head_44x.S
linux-2.6/arch/powerpc/kernel/head_44x.S
--- linux-2.6.orig/arch/powerpc/kernel/head_44x.S 2007-08-27
14:08:43.000000000 +0400
+++ linux-2.6/arch/powerpc/kernel/head_44x.S 2007-08-28 17:04:51.000000000
+0400
@@ -217,7 +217,7 @@
lis r4,[EMAIL PROTECTED] /* IVPR only uses the high 16-bits */
mtspr SPRN_IVPR,r4
-#ifdef CONFIG_440EP
+#if defined(CONFIG_440EP) || defined(CONFIG_440EPX)
/* Clear DAPUIB flag in CCR0 (enable APU between CPU and FPU) */
mfspr r2,SPRN_CCR0
lis r3,0xffef
diff -ruN linux-2.6.orig/arch/powerpc/platforms/44x/Kconfig
linux-2.6/arch/powerpc/platforms/44x/Kconfig
--- linux-2.6.orig/arch/powerpc/platforms/44x/Kconfig 2007-08-27
14:08:43.000000000 +0400
+++ linux-2.6/arch/powerpc/platforms/44x/Kconfig 2007-08-28
17:04:51.000000000 +0400
@@ -14,6 +14,14 @@
help
This option enables support for the IBM PPC440GP evaluation board.
+config SEQUOIA
+ bool "Sequoia"
+ depends on 44x
+ default n
+ select 440EPX
+ help
+ This option enables support for the AMCC PPC440EPX evaluation board.
+
#config LUAN
# bool "Luan"
# depends on 44x
@@ -37,6 +45,13 @@
select IBM440EP_ERR42
# select IBM_NEW_EMAC_ZMII
+config 440EPX
+ bool
+ select PPC_FPU
+# Disabled until the new EMAC Driver is merged.
+# select IBM_NEW_EMAC_EMAC4
+# select IBM_NEW_EMAC_ZMII
+
config 440GP
bool
# Disabled until the new EMAC Driver is merged.
@@ -50,7 +65,7 @@
config 440A
bool
- depends on 440GX
+ depends on 440GX || 440EPX
default y
# 44x errata/workaround config symbols, selected by the CPU models above
diff -ruN linux-2.6.orig/arch/powerpc/platforms/44x/Makefile
linux-2.6/arch/powerpc/platforms/44x/Makefile
--- linux-2.6.orig/arch/powerpc/platforms/44x/Makefile 2007-08-27
14:08:43.000000000 +0400
+++ linux-2.6/arch/powerpc/platforms/44x/Makefile 2007-08-28
17:04:51.000000000 +0400
@@ -1,3 +1,4 @@
obj-$(CONFIG_44x) := misc_44x.o
obj-$(CONFIG_EBONY) += ebony.o
obj-$(CONFIG_BAMBOO) += bamboo.o
+obj-$(CONFIG_SEQUOIA) += sequoia.o
diff -ruN linux-2.6.orig/arch/powerpc/platforms/44x/sequoia.c
linux-2.6/arch/powerpc/platforms/44x/sequoia.c
--- linux-2.6.orig/arch/powerpc/platforms/44x/sequoia.c 1970-01-01
03:00:00.000000000 +0300
+++ linux-2.6/arch/powerpc/platforms/44x/sequoia.c 2007-08-28
17:04:51.000000000 +0400
@@ -0,0 +1,66 @@
+/*
+ * Sequoia board specific routines
+ *
+ * Valentine Barshak <[EMAIL PROTECTED]>
+ * Copyright 2007 MontaVista Software Inc.
+ *
+ * Based on the Bamboo code by
+ * Josh Boyer <[EMAIL PROTECTED]>
+ * Copyright 2007 IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#include <linux/init.h>
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/of_platform.h>
+#include "44x.h"
+
+static struct of_device_id sequoia_of_bus[] = {
+ { .compatible = "ibm,plb", },
+ { .compatible = "ibm,opb", },
+ { .compatible = "ibm,ebc", },
+ {},
+};
+
+static int __init sequoia_device_probe(void)
+{
+ if (!machine_is(sequoia))
+ return 0;
+
+ of_platform_bus_probe(NULL, sequoia_of_bus, NULL);
+
+ return 0;
+}
+device_initcall(sequoia_device_probe);
+
+static int __init sequoia_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if (!of_flat_dt_is_compatible(root, "amcc,sequoia"))
+ return 0;
+
+ return 1;
+}
+
+static void __init sequoia_setup_arch(void)
+{
+}
+
+define_machine(sequoia) {
+ .name = "Sequoia",
+ .probe = sequoia_probe,
+ .setup_arch = sequoia_setup_arch,
+ .progress = udbg_progress,
+ .init_IRQ = uic_init_tree,
+ .get_irq = uic_get_irq,
+ .restart = ppc44x_reset_system,
+ .calibrate_decr = generic_calibrate_decr,
+};
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