#include <linux/smp.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
#include <asm/fixmap.h>
#include <asm/arch_hooks.h>
#include <asm/io.h>
+#include <asm/e820.h>
+#include <asm/setup.h>
#include "cobalt.h"
#include "piix4.h"
static struct irqaction irq0 = {
.handler = timer_interrupt,
- .flags = SA_INTERRUPT,
+ .flags = IRQF_DISABLED,
.name = "timer",
};
/* Wire cpu IDT entry to s/w handler (and Cobalt APIC to IDT) */
setup_irq(0, &irq0);
}
+
+/* Hook for machine specific memory setup. */
+
+#define MB (1024 * 1024)
+
+unsigned long sgivwfb_mem_phys;
+unsigned long sgivwfb_mem_size;
+EXPORT_SYMBOL(sgivwfb_mem_phys);
+EXPORT_SYMBOL(sgivwfb_mem_size);
+
+long long mem_size __initdata = 0;
+
+char * __init machine_specific_memory_setup(void)
+{
+ long long gfx_mem_size = 8 * MB;
+
+ mem_size = ALT_MEM_K;
+
+ if (!mem_size) {
+ printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n");
+ mem_size = 128 * MB;
+ }
+
+ /*
+ * this hardcodes the graphics memory to 8 MB
+ * it really should be sized dynamically (or at least
+ * set as a boot param)
+ */
+ if (!sgivwfb_mem_size) {
+ printk(KERN_WARNING "Defaulting to 8 MB framebuffer size\n");
+ sgivwfb_mem_size = 8 * MB;
+ }
+
+ /*
+ * Trim to nearest MB
+ */
+ sgivwfb_mem_size &= ~((1 << 20) - 1);
+ sgivwfb_mem_phys = mem_size - gfx_mem_size;
+
+ add_memory_region(0, LOWMEMSIZE(), E820_RAM);
+ add_memory_region(HIGH_MEMORY, mem_size - sgivwfb_mem_size - HIGH_MEMORY, E820_RAM);
+ add_memory_region(sgivwfb_mem_phys, sgivwfb_mem_size, E820_RESERVED);
+
+ return "PROM";
+}