Define the translations property for cpu (Laurent Vivier)

git-svn-id: svn://coreboot.org/openbios/openbios-devel@333 f158a5a8-5612-0410-a976-696ce0be7e32

arch/ppc/qemu/init.c

@@ -28,6 +28,7 @@
 #include "ofmem.h"
 #include "openbios-version.h"
 #include "libc/byteorder.h"
+#include "libc/vsprintf.h"
 #define NO_QEMU_PROTOS
 #include "openbios/fw_cfg.h"
 
@@ -424,6 +425,7 @@ arch_of_init( void )
 #endif
 	uint64_t ram_size;
         const struct cpudef *cpu;
+	char buf[64];
 
 	devtree_init();
 
@@ -485,6 +487,8 @@ arch_of_init( void )
 #ifdef CONFIG_DRIVER_PCI
 	ob_pci_init();
 #endif
+	snprintf(buf, sizeof(buf), "/cpus/%s", cpu->name);
+	ofmem_register(find_dev(buf));
 	node_methods_init();
 
 #ifdef USE_RTAS

arch/ppc/qemu/ofmem.c

@@ -110,6 +110,36 @@ get_ram_bottom( void )
         return (ulong)OF_MALLOC_BASE;
 }
 
+static phandle_t cpu_handle = 0;
+static void
+ofmem_update_translations( void )
+{
+	ofmem_t *ofmem = OFMEM;
+	translation_t *t;
+	int ncells;
+	cell *props;
+
+	if (cpu_handle == 0)
+		return;
+
+	for( t = ofmem->trans, ncells = 0; t ; t=t->next, ncells++ )
+		;
+
+	props = malloc(ncells * sizeof(cell) * 4);
+	if (props == NULL)
+		return;
+
+	for( t = ofmem->trans, ncells = 0 ; t ; t=t->next ) {
+		props[ncells++] = t->virt;
+		props[ncells++] = t->size;
+		props[ncells++] = t->phys;
+		props[ncells++] = t->mode;
+	}
+	set_property(cpu_handle, "translations",
+		     (char*)props, ncells * sizeof(cell));
+	free(props);
+}
+
 /************************************************************************/
 /*	OF private allocations						*/
 /************************************************************************/
@@ -502,6 +532,8 @@ map_page_range( ulong virt, ulong phys, ulong size, int mode )
 	t->next = *tt;
 	*tt = t;
 
+	ofmem_update_translations();
+
 	return 0;
 }
 
@@ -703,3 +735,10 @@ ofmem_init( void )
 	ofmem_claim_phys( get_ram_top(), get_ram_size() - get_ram_top(), 0);
 	ofmem_claim_virt( get_ram_top(), get_ram_size() - get_ram_top(), 0);
 }
+
+void
+ofmem_register( phandle_t ph )
+{
+	cpu_handle = ph;
+	ofmem_update_translations();
+}

include/ofmem.h

@@ -36,6 +36,7 @@ ulong get_ram_bottom( void );
 void dsi_exception( void );
 void isi_exception( void );
 void setup_mmu( ulong ramsize );
+void ofmem_register( phandle_t ph );
 #endif
 
 #endif   /* _H_OFMEM */