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Diffstat (limited to 'arch/microblaze/kernel/setup.c')
-rw-r--r--arch/microblaze/kernel/setup.c69
1 files changed, 54 insertions, 15 deletions
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index bb8c4b9ccb8..17c98dbcec8 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -22,7 +22,10 @@
#include <linux/io.h>
#include <linux/bug.h>
#include <linux/param.h>
+#include <linux/pci.h>
#include <linux/cache.h>
+#include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
#include <asm/cacheflush.h>
#include <asm/entry.h>
#include <asm/cpuinfo.h>
@@ -54,14 +57,10 @@ void __init setup_arch(char **cmdline_p)
microblaze_cache_init();
- invalidate_dcache();
- enable_dcache();
-
- invalidate_icache();
- enable_icache();
-
setup_memory();
+ xilinx_pci_init();
+
#if defined(CONFIG_SELFMOD_INTC) || defined(CONFIG_SELFMOD_TIMER)
printk(KERN_NOTICE "Self modified code enable\n");
#endif
@@ -93,6 +92,12 @@ inline unsigned get_romfs_len(unsigned *addr)
}
#endif /* CONFIG_MTD_UCLINUX_EBSS */
+#if defined(CONFIG_EARLY_PRINTK) && defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
+#define eprintk early_printk
+#else
+#define eprintk printk
+#endif
+
void __init machine_early_init(const char *cmdline, unsigned int ram,
unsigned int fdt, unsigned int msr)
{
@@ -140,32 +145,32 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
setup_early_printk(NULL);
#endif
- early_printk("Ramdisk addr 0x%08x, ", ram);
+ eprintk("Ramdisk addr 0x%08x, ", ram);
if (fdt)
- early_printk("FDT at 0x%08x\n", fdt);
+ eprintk("FDT at 0x%08x\n", fdt);
else
- early_printk("Compiled-in FDT at 0x%08x\n",
+ eprintk("Compiled-in FDT at 0x%08x\n",
(unsigned int)_fdt_start);
#ifdef CONFIG_MTD_UCLINUX
- early_printk("Found romfs @ 0x%08x (0x%08x)\n",
+ eprintk("Found romfs @ 0x%08x (0x%08x)\n",
romfs_base, romfs_size);
- early_printk("#### klimit %p ####\n", old_klimit);
+ eprintk("#### klimit %p ####\n", old_klimit);
BUG_ON(romfs_size < 0); /* What else can we do? */
- early_printk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
+ eprintk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
romfs_size, romfs_base, (unsigned)&_ebss);
- early_printk("New klimit: 0x%08x\n", (unsigned)klimit);
+ eprintk("New klimit: 0x%08x\n", (unsigned)klimit);
#endif
#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
if (msr)
- early_printk("!!!Your kernel has setup MSR instruction but "
+ eprintk("!!!Your kernel has setup MSR instruction but "
"CPU don't have it %d\n", msr);
#else
if (!msr)
- early_printk("!!!Your kernel not setup MSR instruction but "
+ eprintk("!!!Your kernel not setup MSR instruction but "
"CPU have it %d\n", msr);
#endif
@@ -188,3 +193,37 @@ static int microblaze_debugfs_init(void)
}
arch_initcall(microblaze_debugfs_init);
#endif
+
+static int dflt_bus_notify(struct notifier_block *nb,
+ unsigned long action, void *data)
+{
+ struct device *dev = data;
+
+ /* We are only intereted in device addition */
+ if (action != BUS_NOTIFY_ADD_DEVICE)
+ return 0;
+
+ set_dma_ops(dev, &dma_direct_ops);
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block dflt_plat_bus_notifier = {
+ .notifier_call = dflt_bus_notify,
+ .priority = INT_MAX,
+};
+
+static struct notifier_block dflt_of_bus_notifier = {
+ .notifier_call = dflt_bus_notify,
+ .priority = INT_MAX,
+};
+
+static int __init setup_bus_notifier(void)
+{
+ bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier);
+ bus_register_notifier(&of_platform_bus_type, &dflt_of_bus_notifier);
+
+ return 0;
+}
+
+arch_initcall(setup_bus_notifier);