aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/platforms/85xx
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/85xx')
-rw-r--r--arch/powerpc/platforms/85xx/Kconfig6
-rw-r--r--arch/powerpc/platforms/85xx/Makefile1
-rw-r--r--arch/powerpc/platforms/85xx/mpc8536_ds.c125
3 files changed, 132 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 9cb8e29987a..cebea5cadbc 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -38,6 +38,12 @@ config MPC85xx_MDS
help
This option enables support for the MPC85xx MDS board
+config MPC8536_DS
+ bool "Freescale MPC8536 DS"
+ select DEFAULT_UIMAGE
+ help
+ This option enables support for the MPC8536 DS board
+
config MPC85xx_DS
bool "Freescale MPC85xx DS"
select PPC_I8259
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 6cea185f62b..cb3054e1001 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -4,6 +4,7 @@
obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
+obj-$(CONFIG_MPC8536_DS) += mpc8536_ds.o
obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o
obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
obj-$(CONFIG_STX_GP3) += stx_gp3.o
diff --git a/arch/powerpc/platforms/85xx/mpc8536_ds.c b/arch/powerpc/platforms/85xx/mpc8536_ds.c
new file mode 100644
index 00000000000..71d7c038961
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/mpc8536_ds.c
@@ -0,0 +1,125 @@
+/*
+ * MPC8536 DS Board Setup
+ *
+ * Copyright 2008 Freescale Semiconductor, Inc.
+ *
+ * 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/stddef.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+void __init mpc8536_ds_pic_init(void)
+{
+ struct mpic *mpic;
+ struct resource r;
+ struct device_node *np;
+
+ np = of_find_node_by_type(np, "open-pic");
+ if (np == NULL) {
+ printk(KERN_ERR "Could not find open-pic node\n");
+ return;
+ }
+
+ if (of_address_to_resource(np, 0, &r)) {
+ printk(KERN_ERR "Failed to map mpic register space\n");
+ of_node_put(np);
+ return;
+ }
+
+ mpic = mpic_alloc(np, r.start,
+ MPIC_PRIMARY | MPIC_WANTS_RESET |
+ MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS,
+ 0, 256, " OpenPIC ");
+ BUG_ON(mpic == NULL);
+ of_node_put(np);
+
+ mpic_init(mpic);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init mpc8536_ds_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+#endif
+
+ if (ppc_md.progress)
+ ppc_md.progress("mpc8536_ds_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+ for_each_node_by_type(np, "pci") {
+ if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
+ of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+ struct resource rsrc;
+ of_address_to_resource(np, 0, &rsrc);
+ if ((rsrc.start & 0xfffff) == 0x8000)
+ fsl_add_bridge(np, 1);
+ else
+ fsl_add_bridge(np, 0);
+ }
+ }
+
+#endif
+
+ printk("MPC8536 DS board from Freescale Semiconductor\n");
+}
+
+static struct of_device_id __initdata mpc8536_ds_ids[] = {
+ { .type = "soc", },
+ { .compatible = "soc", },
+ {},
+};
+
+static int __init mpc8536_ds_publish_devices(void)
+{
+ return of_platform_bus_probe(NULL, mpc8536_ds_ids, NULL);
+}
+machine_device_initcall(mpc8536_ds, mpc8536_ds_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mpc8536_ds_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "fsl,mpc8536ds");
+}
+
+define_machine(mpc8536_ds) {
+ .name = "MPC8536 DS",
+ .probe = mpc8536_ds_probe,
+ .setup_arch = mpc8536_ds_setup_arch,
+ .init_IRQ = mpc8536_ds_pic_init,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
+ .get_irq = mpic_get_irq,
+ .restart = fsl_rstcr_restart,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};