Patch by Guillaume Alexandre,, 04 Nov 2002:

Improve PCI access on 32-bits Compact PCI bus

Adjust VFD initialization on TRAB

Cleanup RRvision video code

4 files changed, 34 insertions, 8 deletions

diff --git a/board/pcippc2/pcippc2.c b/board/pcippc2/pcippc2.c
index e1b065b..80ca402 100644
--- a/board/pcippc2/pcippc2.c
+++ b/board/pcippc2/pcippc2.c
@@ -117,6 +117,8 @@ int misc_init_r (void)
 {
 	pcippc2_fpga_init ();
 
+	pcippc2_cpci3264_init ();
+
 #if defined(CONFIG_WATCHDOG)
 	pcippc2_wdt_init ();
 #endif
@@ -147,6 +149,25 @@ void doc_init (void)
 	doc_probe (pcippc2_fpga1_phys + HW_FPGA1_DOC);
 }
 
+void pcippc2_cpci3264_init (void)
+{
+  pci_dev_t		bdf = pci_find_device(FPGA_VENDOR_ID, FPGA_DEVICE_ID, 0);
+
+  if (bdf == -1)
+  {
+    puts("Unable to find FPGA !\n");
+    hang();
+  }
+
+	if((in32(pcippc2_fpga0_phys + HW_FPGA0_BOARD) & 0x01000000) == 0x01000000)
+	/* 32-bits Compact PCI bus - LSB bit */
+	{
+		iobarrier_rw();
+		out32(BRIDGE(CPCI, PCIDG), 0x40000000);	/* 32-bits bridge, Pipeline */
+		iobarrier_rw();
+	}
+}
+
 #if defined(CONFIG_WATCHDOG)
 
 void pcippc2_wdt_init (void)
diff --git a/board/pcippc2/pcippc2.h b/board/pcippc2/pcippc2.h
index 6e9e2ff..3820bbe 100644
--- a/board/pcippc2/pcippc2.h
+++ b/board/pcippc2/pcippc2.h
@@ -40,6 +40,8 @@ extern u32	pcippc2_sdram_size		(void);
 
 extern void 	pcippc2_fpga_init		(void);
 
+extern void 	pcippc2_cpci3264_init	(void);
+
 extern void 	cpc710_pci_init			(void);
 extern void	cpc710_pci_enable_timeout	(void);
 
diff --git a/board/pcippc2/pcippc2_fpga.h b/board/pcippc2/pcippc2_fpga.h
index b6206a4..850c331 100644
--- a/board/pcippc2/pcippc2_fpga.h
+++ b/board/pcippc2/pcippc2_fpga.h
@@ -28,6 +28,7 @@
 #define FPGA_DEVICE_ID			0x000d
 
 #define HW_FPGA0_INT			0x0000
+#define HW_FPGA0_BOARD		0x0060
 #define HW_FPGA0_UART1			0x0080
 #define HW_FPGA0_UART2			0x0100
 #define HW_FPGA0_RTC			0x2000
diff --git a/board/trab/trab.c b/board/trab/trab.c
index b4ab329..6a758b2 100644
--- a/board/trab/trab.c
+++ b/board/trab/trab.c
@@ -42,13 +42,13 @@ extern int do_mdm_init; /* defined in common/main.c */
  * is that timers are not available yet, so we use a manually timed
  * loop.
  */
-#define KBD_MDELAY	1000
-static void mdelay_no_timer (int msec)
+#define KBD_MDELAY	5000
+static void udelay_no_timer (int usec)
 {
 	DECLARE_GLOBAL_DATA_PTR;
 
 	int i;
-	int delay = msec * 3;
+	int delay = usec * 3;
 
 	for (i = 0; i < delay; i ++) gd->bd->bi_arch_number = 145;
 }
@@ -102,12 +102,12 @@ int board_init ()
 	gd->bd->bi_boot_params = 0x0c000100;
 
 #ifdef CONFIG_MODEM_SUPPORT
-	/* This stuff is needed to get interrupts on stop-position
-	 * contact events.
+	/* This stuff is needed by the CPLD to read keyboard data.
 	 * (Copied from the LCD initialization routine.)
 	 */
-	if (rLCDCON1 == 0)
-	{
+	if (rLCDCON1 == 0) {
+		extern void init_grid_ctrl(void);
+
 		rPCCON = (rPCCON & 0xFFFFFF00)| 0x000000AA;
 		rPDCON = (rPDCON & 0xFFFFFF03)| 0x000000A8;
 #if 0
@@ -118,9 +118,11 @@ int board_init ()
 		rLCDCON4 = 0x00000001;
 		rLCDCON5 = 0x00000440;
 		rLCDCON1 = 0x00000B75;
+
+		init_grid_ctrl();
 	}
 
-	mdelay_no_timer (KBD_MDELAY);
+	udelay_no_timer (KBD_MDELAY);
 
 	if (key_pressed()) {
 		disable_putc();	/* modem doesn't understand banner etc */