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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-28 16:29:59 +0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-28 16:29:59 +0400
commit185a257f2f73bcd89050ad02da5bedbc28fc43fa (patch)
tree5e32586114534ed3f2165614cba3d578f5d87307 /arch/avr32/mach-at32ap/at32ap.c
parent3f1a9aaeffd8d1cbc5ab9776c45cbd66af1c9699 (diff)
parenta77c64c1a641950626181b4857abb701d8f38ccc (diff)
downloadlinux-185a257f2f73bcd89050ad02da5bedbc28fc43fa.tar.xz
Merge branch 'master' into gfs2
Diffstat (limited to 'arch/avr32/mach-at32ap/at32ap.c')
-rw-r--r--arch/avr32/mach-at32ap/at32ap.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/at32ap.c b/arch/avr32/mach-at32ap/at32ap.c
new file mode 100644
index 000000000000..f7cedf5aabea
--- /dev/null
+++ b/arch/avr32/mach-at32ap/at32ap.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/io.h>
+
+#include <asm/arch/init.h>
+#include <asm/arch/sm.h>
+
+struct at32_sm system_manager;
+
+static int __init at32_sm_init(void)
+{
+ struct resource *regs;
+ struct at32_sm *sm = &system_manager;
+ int ret = -ENXIO;
+
+ regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0);
+ if (!regs)
+ goto fail;
+
+ spin_lock_init(&sm->lock);
+ sm->pdev = &at32_sm_device;
+
+ ret = -ENOMEM;
+ sm->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ if (!sm->regs)
+ goto fail;
+
+ return 0;
+
+fail:
+ printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret);
+ return ret;
+}
+
+void __init setup_platform(void)
+{
+ at32_sm_init();
+ at32_clock_init();
+ at32_portmux_init();
+
+ /* FIXME: This doesn't belong here */
+ at32_setup_serial_console(1);
+}
+
+static int __init pdc_probe(struct platform_device *pdev)
+{
+ struct clk *pclk, *hclk;
+
+ pclk = clk_get(&pdev->dev, "pclk");
+ if (IS_ERR(pclk)) {
+ dev_err(&pdev->dev, "no pclk defined\n");
+ return PTR_ERR(pclk);
+ }
+ hclk = clk_get(&pdev->dev, "hclk");
+ if (IS_ERR(hclk)) {
+ dev_err(&pdev->dev, "no hclk defined\n");
+ clk_put(pclk);
+ return PTR_ERR(hclk);
+ }
+
+ clk_enable(pclk);
+ clk_enable(hclk);
+
+ dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled\n");
+ return 0;
+}
+
+static struct platform_driver pdc_driver = {
+ .probe = pdc_probe,
+ .driver = {
+ .name = "pdc",
+ },
+};
+
+static int __init pdc_init(void)
+{
+ return platform_driver_register(&pdc_driver);
+}
+arch_initcall(pdc_init);