Stellaris ethernet support.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3728 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 17 insertions, 2 deletions

diff --git a/hw/stellaris.c b/hw/stellaris.c
index 7936e0c..01ed374 100644
--- a/hw/stellaris.c
+++ b/hw/stellaris.c
@@ -13,6 +13,7 @@
 #include "devices.h"
 #include "qemu-timer.h"
 #include "i2c.h"
+#include "net.h"
 #include "sysemu.h"
 #include "boards.h"
 
@@ -319,6 +320,8 @@ typedef struct {
     uint32_t dcgc[3];
     uint32_t clkvclr;
     uint32_t ldoarst;
+    uint32_t user0;
+    uint32_t user1;
     qemu_irq irq;
     stellaris_board_info *board;
 } ssys_state;
@@ -438,6 +441,10 @@ static uint32_t ssys_read(void *opaque, target_phys_addr_t offset)
         return s->clkvclr;
     case 0x160: /* LDOARST */
         return s->ldoarst;
+    case 0x1e0: /* USER0 */
+        return s->user0;
+    case 0x1e4: /* USER1 */
+        return s->user1;
     default:
         cpu_abort(cpu_single_env, "ssys_read: Bad offset 0x%x\n", (int)offset);
         return 0;
@@ -541,7 +548,8 @@ static void ssys_reset(void *opaque)
 }
 
 static void stellaris_sys_init(uint32_t base, qemu_irq irq,
-                               stellaris_board_info * board)
+                               stellaris_board_info * board,
+                               uint8_t *macaddr)
 {
     int iomemtype;
     ssys_state *s;
@@ -550,6 +558,9 @@ static void stellaris_sys_init(uint32_t base, qemu_irq irq,
     s->base = base;
     s->irq = irq;
     s->board = board;
+    /* Most devices come preprogrammed with a MAC address in the user data. */
+    s->user0 = macaddr[0] | (macaddr[1] << 8) | (macaddr[2] << 16);
+    s->user1 = macaddr[3] | (macaddr[4] << 8) | (macaddr[5] << 16);
 
     iomemtype = cpu_register_io_memory(0, ssys_readfn,
                                        ssys_writefn, s);
@@ -1048,7 +1059,7 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model,
         }
     }
 
-    stellaris_sys_init(0x400fe000, pic[28], board);
+    stellaris_sys_init(0x400fe000, pic[28], board, nd_table[0].macaddr);
 
     for (i = 0; i < 7; i++) {
         if (board->dc4 & (1 << i)) {
@@ -1081,6 +1092,10 @@ static void stellaris_init(const char *kernel_filename, const char *cpu_model,
             pl022_init(0x40008000, pic[7], NULL, NULL);
         }
     }
+    if (board->dc4 & (1 << 28)) {
+        /* FIXME: Obey network model.  */
+        stellaris_enet_init(&nd_table[0], 0x40048000, pic[42]);
+    }
     if (board->peripherals & BP_GAMEPAD) {
         qemu_irq gpad_irq[5];
         static const int gpad_keycode[5] = { 0xc8, 0xd0, 0xcb, 0xcd, 0x1d };