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[Qemu-devel] [PATCH 15/25] PPC: e500: dt: create /soc8544 node dynamical


From: Alexander Graf
Subject: [Qemu-devel] [PATCH 15/25] PPC: e500: dt: create /soc8544 node dynamically
Date: Wed, 30 May 2012 13:00:36 +0200

Signed-off-by: Alexander Graf <address@hidden>
---
 hw/ppce500_mpc8544ds.c |   17 +++++++++++++++++
 pc-bios/mpc8544ds.dts  |    9 ---------
 2 files changed, 17 insertions(+), 9 deletions(-)

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, "/address@hidden", 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 @@
        };
 
        address@hidden {
-               #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: address@hidden {
                        cell-index = <0>;
                        device_type = "serial";
-- 
1.6.0.2




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