powerpc/44x/fsp2: Platform support for FSP2 (476fpe) board

Add platform code support for FSP2 (476fpe) board.

Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 9b0afe935cc17422e35579cf28c73a4338bd3aa4..01cb109ebf17522ae9019cccb263a0525685d90b 100644 (file)
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -199,6 +199,18 @@ config CURRITUCK
        help
          This option enables support for the IBM Currituck (476fpe) evaluation board
 
+config FSP2
+       bool "IBM FSP2 (476fpe) Support"
+       depends on PPC_47x
+       default n
+       select 476FPE
+       select IBM_EMAC_EMAC4 if IBM_EMAC
+       select IBM_EMAC_RGMII if IBM_EMAC
+       select COMMON_CLK
+       select DEFAULT_UIMAGE
+       help
+         This option enables support for the IBM FSP2 (476fpe) board
+
 config AKEBONO
        bool "IBM Akebono (476gtr) Support"
        depends on PPC_47x

diff --git a/arch/powerpc/platforms/44x/Makefile b/arch/powerpc/platforms/44x/Makefile
index 26d35b5941f7988c91507a3c1e944d1840f0a436..72b824160660e0b9302216318ea6d16598f3f5bc 100644 (file)
--- a/arch/powerpc/platforms/44x/Makefile
+++ b/arch/powerpc/platforms/44x/Makefile
@@ -12,3 +12,4 @@ obj-$(CONFIG_ISS4xx)  += iss4xx.o
 obj-$(CONFIG_CANYONLANDS)+= canyonlands.o
 obj-$(CONFIG_CURRITUCK)        += ppc476.o
 obj-$(CONFIG_AKEBONO)  += ppc476.o
+obj-$(CONFIG_FSP2)     += fsp2.o

diff --git a/arch/powerpc/platforms/44x/fsp2.c b/arch/powerpc/platforms/44x/fsp2.c
new file mode 100644 (file)
index 0000000..92e9804
--- /dev/null
+++ b/arch/powerpc/platforms/44x/fsp2.c
@@ -0,0 +1,62 @@
+/*
+ * FSP-2 board specific routines
+ *
+ * Based on earlier code:
+ *    Matt Porter <mporter@kernel.crashing.org>
+ *    Copyright 2002-2005 MontaVista Software Inc.
+ *
+ *    Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ *    Copyright (c) 2003-2005 Zultys Technologies
+ *
+ *    Rewritten and ported to the merged powerpc tree:
+ *    Copyright 2007 David Gibson <dwg@au1.ibm.com>, 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 <linux/of_platform.h>
+#include <linux/rtc.h>
+
+#include <asm/machdep.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/time.h>
+#include <asm/uic.h>
+#include <asm/ppc4xx.h>
+
+static __initdata struct of_device_id fsp2_of_bus[] = {
+       { .compatible = "ibm,plb4", },
+       { .compatible = "ibm,plb6", },
+       { .compatible = "ibm,opb", },
+       {},
+};
+
+static int __init fsp2_device_probe(void)
+{
+       of_platform_bus_probe(NULL, fsp2_of_bus, NULL);
+       return 0;
+}
+machine_device_initcall(fsp2, fsp2_device_probe);
+
+static int __init fsp2_probe(void)
+{
+       unsigned long root = of_get_flat_dt_root();
+
+       if (!of_flat_dt_is_compatible(root, "ibm,fsp2"))
+               return 0;
+       return 1;
+}
+
+define_machine(fsp2) {
+       .name                   = "FSP-2",
+       .probe                  = fsp2_probe,
+       .progress               = udbg_progress,
+       .init_IRQ               = uic_init_tree,
+       .get_irq                = uic_get_irq,
+       .restart                = ppc4xx_reset_system,
+       .calibrate_decr         = generic_calibrate_decr,
+};