Add arch/powerpc board support for CM5200.
Signed-off-by Marian Balakowicz <[EMAIL PROTECTED]>
Signed-off-by: Jan Wrobel <[EMAIL PROTECTED]>
---
Kconfig | 5 +
Makefile | 1
cm5200.c | 161 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 167 insertions(+)
diff --git a/arch/powerpc/platforms/52xx/Kconfig
b/arch/powerpc/platforms/52xx/Kconfig
index 7c828eb..ec952e4 100644
--- a/arch/powerpc/platforms/52xx/Kconfig
+++ b/arch/powerpc/platforms/52xx/Kconfig
@@ -39,3 +39,8 @@ config PPC_TQM5200
select PPC_MPC5200
default n
+config PPC_CM5200
+ bool "Schindler CM5200 Boards"
+ depends on PPC_MULTIPLATFORM && PPC32
+ select PPC_MPC5200
+ default n
diff --git a/arch/powerpc/platforms/52xx/Makefile
b/arch/powerpc/platforms/52xx/Makefile
index 4997ebf..5b4adfb 100644
--- a/arch/powerpc/platforms/52xx/Makefile
+++ b/arch/powerpc/platforms/52xx/Makefile
@@ -9,5 +9,6 @@ endif
obj-$(CONFIG_PPC_EFIKA) += efika.o
obj-$(CONFIG_PPC_LITE5200) += lite5200.o
obj-$(CONFIG_PPC_TQM5200) += tqm5200.o
+obj-$(CONFIG_PPC_CM5200) += cm5200.o
obj-$(CONFIG_PM) += mpc52xx_sleep.o mpc52xx_pm.o
diff --git a/arch/powerpc/platforms/52xx/cm5200.c
b/arch/powerpc/platforms/52xx/cm5200.c
new file mode 100644
index 0000000..9d3b1f2
--- /dev/null
+++ b/arch/powerpc/platforms/52xx/cm5200.c
@@ -0,0 +1,161 @@
+/*
+ * Schindler CM5200 board support
+ *
+ * Written by: Grant Likely <[EMAIL PROTECTED]>
+ * Adapted for CM5200 by: Jan Wrobel <[EMAIL PROTECTED]>
+ *
+ * Copyright (C) Secret Lab Technologies Ltd. 2006. All rights reserved.
+ * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved.
+ *
+ * Description:
+ * 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.
+ */
+
+#undef DEBUG
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/root_dev.h>
+#include <linux/initrd.h>
+
+#include <asm/system.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <sysdev/fsl_soc.h>
+#include <asm/of_platform.h>
+
+#include <asm/mpc52xx.h>
+
+/* ************************************************************************
+ *
+ * Setup the architecture
+ *
+ */
+static void __init cm5200_setup_cpu(void)
+{
+ struct mpc52xx_gpio __iomem *gpio;
+ u32 port_config;
+
+ /* Map zones */
+ gpio = mpc52xx_find_and_map("mpc5200-gpio");
+ if (!gpio) {
+ printk(KERN_ERR __FILE__ ": "
+ "Error while mapping GPIO register for port config. "
+ "Expect some abnormal behavior\n");
+ goto error;
+ }
+
+ /* Set port config */
+ port_config = in_be32(&gpio->port_config);
+
+ port_config &= ~0x00800000; /* 48Mhz internal, pin is GPIO */
+
+ port_config &= ~0x00007000; /* USB port : Differential mode */
+ port_config |= 0x00001000; /* USB 1 only */
+
+ pr_debug("port_config: old:%x new:%x\n",
+ in_be32(&gpio->port_config), port_config);
+
+ out_be32(&gpio->port_config, port_config);
+
+ /* Unmap zone */
+error:
+ iounmap(gpio);
+}
+
+static void __init cm5200_setup_arch(void)
+{
+ struct device_node *np;
+
+ np = of_find_node_by_type(NULL, "cpu");
+ if (np) {
+ unsigned int *fp =
+ (int *)get_property(np, "clock-frequency", NULL);
+ if (fp != 0)
+ loops_per_jiffy = *fp / HZ;
+ else
+ loops_per_jiffy = 50000000 / HZ;
+ of_node_put(np);
+ }
+
+ /* CPU & Port mux setup */
+ mpc52xx_setup_cpu(); /* Generic */
+ cm5200_setup_cpu(); /* Platorm specific */
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ if (initrd_start)
+ /*
+ * We want the proper initrd behavior, i.e., launching of
+ * /linuxrc from the initial root file system, and not only
+ * mounting it as the normal root file system.
+ */
+ ROOT_DEV = 0x0;
+ else
+#endif
+
+#ifdef CONFIG_ROOT_NFS
+ ROOT_DEV = Root_NFS;
+#else
+ ROOT_DEV = Root_HDA1;
+#endif
+
+}
+
+void cm5200_show_cpuinfo(struct seq_file *m)
+{
+ struct device_node* np = of_find_all_nodes(NULL);
+ const char *model = NULL;
+
+ if (np)
+ model = get_property(np, "model", NULL);
+
+ seq_printf(m, "vendor\t\t: Freescale Semiconductor\n");
+ seq_printf(m, "machine\t\t: %s\n", model ? model : "unknown");
+
+ of_node_put(np);
+}
+
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init cm5200_probe(void)
+{
+ unsigned long node = of_get_flat_dt_root();
+ const char *model = of_get_flat_dt_prop(node, "model", NULL);
+
+ if (!of_flat_dt_is_compatible(node, "fsl,cm5200"))
+ return 0;
+ pr_debug("%s board found\n", model ? model : "unknown");
+
+ return 1;
+}
+
+define_machine(cm5200) {
+ .name = "cm5200",
+ .probe = cm5200_probe,
+ .setup_arch = cm5200_setup_arch,
+ .init = mpc52xx_declare_of_platform_devices,
+ .init_IRQ = mpc52xx_init_irq,
+ .get_irq = mpc52xx_get_irq,
+ .show_cpuinfo = cm5200_show_cpuinfo,
+ .calibrate_decr = generic_calibrate_decr,
+};
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