OMAP STI/XTI console.

Add a dummy serial to receive the output from STI console (OMAP
debugging/emulation interface).
Add some more OMAP UART dummy registers.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4331 c046a42c-6fe2-441c-8c8c-71466251a162

1 files changed, 20 insertions, 0 deletions

diff --git a/hw/omap1.c b/hw/omap1.c
index b439423035..b9176b3a45 100644
--- a/hw/omap1.c
+++ b/hw/omap1.c
@@ -1987,6 +1987,8 @@ struct omap_uart_s {
     uint8_t syscontrol;
     uint8_t wkup;
     uint8_t cfps;
+    uint8_t mdr[2];
+    uint8_t scr;
 };
 
 void omap_uart_reset(struct omap_uart_s *s)
@@ -2015,6 +2017,14 @@ static uint32_t omap_uart_read(void *opaque, target_phys_addr_t addr)
     int offset = addr - s->base;
 
     switch (offset) {
+    case 0x20:	/* MDR1 */
+        return s->mdr[0];
+    case 0x24:	/* MDR2 */
+        return s->mdr[1];
+    case 0x40:	/* SCR */
+        return s->scr;
+    case 0x44:	/* SSR */
+        return 0x0;
     case 0x48:	/* EBLR */
         return s->eblr;
     case 0x50:	/* MVR */
@@ -2040,9 +2050,19 @@ static void omap_uart_write(void *opaque, target_phys_addr_t addr,
     int offset = addr - s->base;
 
     switch (offset) {
+    case 0x20:	/* MDR1 */
+        s->mdr[0] = value & 0x7f;
+        break;
+    case 0x24:	/* MDR2 */
+        s->mdr[1] = value & 0xff;
+        break;
+    case 0x40:	/* SCR */
+        s->scr = value & 0xff;
+        break;
     case 0x48:	/* EBLR */
         s->eblr = value & 0xff;
         break;
+    case 0x44:	/* SSR */
     case 0x50:	/* MVR */
     case 0x58:	/* SYSS */
         OMAP_RO_REG(addr);