Patchwork [15/31] PPC: e500: dt: create /soc8544 node dynamically

login
register
mail settings
Submitter Alexander Graf
Date June 5, 2012, 11:53 p.m.
Message ID <1338940402-28502-16-git-send-email-agraf@suse.de>
Download mbox | patch
Permalink /patch/163230/
State New
Headers show

Comments

Alexander Graf - June 5, 2012, 11:53 p.m.
Signed-off-by: Alexander Graf <agraf@suse.de>
---
 hw/ppce500_mpc8544ds.c |   17 +++++++++++++++++
 pc-bios/mpc8544ds.dts  |    9 ---------
 2 files changed, 17 insertions(+), 9 deletions(-)

Patch

diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c
index 63515bb..5ff2d24 100644
--- a/hw/ppce500_mpc8544ds.c
+++ b/hw/ppce500_mpc8544ds.c
@@ -43,6 +43,8 @@ 
 #define RAM_SIZES_ALIGN            (64UL << 20)
 
 #define MPC8544_CCSRBAR_BASE       0xE0000000
+#define MPC8544_CCSRBAR_REGSIZE    0x00001000
+#define MPC8544_CCSRBAR_SIZE       0x00100000
 #define MPC8544_MPIC_REGS_BASE     (MPC8544_CCSRBAR_BASE + 0x40000)
 #define MPC8544_SERIAL0_REGS_BASE  (MPC8544_CCSRBAR_BASE + 0x4500)
 #define MPC8544_SERIAL1_REGS_BASE  (MPC8544_CCSRBAR_BASE + 0x4600)
@@ -78,6 +80,7 @@  static int mpc8544_load_device_tree(CPUPPCState *env,
     int i;
     char compatible[] = "MPC8544DS\0MPC85xxDS";
     char model[] = "MPC8544DS";
+    char soc[128];
 
     filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
     if (!filename) {
@@ -179,6 +182,20 @@  static int mpc8544_load_device_tree(CPUPPCState *env,
         }
     }
 
+    /* XXX These should go into their respective devices' code */
+    sprintf(soc, "/soc8544@%x", MPC8544_CCSRBAR_BASE);
+    qemu_devtree_add_subnode(fdt, soc);
+    qemu_devtree_setprop_string(fdt, soc, "device_type", "soc");
+    qemu_devtree_setprop_string(fdt, soc, "compatible", "simple-bus");
+    qemu_devtree_setprop_cell(fdt, soc, "#address-cells", 1);
+    qemu_devtree_setprop_cell(fdt, soc, "#size-cells", 1);
+    qemu_devtree_setprop_cell3(fdt, soc, "ranges", 0x0, MPC8544_CCSRBAR_BASE,
+                               MPC8544_CCSRBAR_SIZE);
+    qemu_devtree_setprop_cell2(fdt, soc, "reg", MPC8544_CCSRBAR_BASE,
+                               MPC8544_CCSRBAR_REGSIZE);
+    /* XXX should contain a reasonable value */
+    qemu_devtree_setprop_cell(fdt, soc, "bus-frequency", 0);
+
     ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr);
     if (ret < 0) {
         goto out;
diff --git a/pc-bios/mpc8544ds.dts b/pc-bios/mpc8544ds.dts
index 1eac8ef..01b53ba 100644
--- a/pc-bios/mpc8544ds.dts
+++ b/pc-bios/mpc8544ds.dts
@@ -18,15 +18,6 @@ 
 	};
 
 	soc8544@e0000000 {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		device_type = "soc";
-		compatible = "simple-bus";
-
-		ranges = <0x0 0xe0000000 0x100000>;
-		reg = <0xe0000000 0x1000>;	// CCSRBAR 1M
-		bus-frequency = <0>;		// Filled out by uboot.
-
 		serial0: serial@4500 {
 			cell-index = <0>;
 			device_type = "serial";