ppc4xx: Setup HICB on Io64

The FPGA High-Speed Interconnect Bus (HICB) is now setup by u-boot.

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>

board/gdsys/405ex/io64.c

@@ -249,6 +249,7 @@ int last_stage_init(void)
 	char str_serdes[] = "Start SERDES blocks";
 	char str_channels[] = "Start FPGA channels";
 	char str_locks[] = "Verify SERDES locks";
+	char str_hicb[] = "Verify HICB status";
 	char str_status[] = "Verify PHY status -";
 	char slash[] = "\\|/-\\|/-";
 
@@ -312,6 +313,21 @@ int last_stage_init(void)
 	}
 	blank_string(strlen(str_locks));
 
+	/* verify hicb_status */
+	puts(str_hicb);
+	for (fpga = 0; fpga < 2; ++fpga) {
+		u16 *ch0_hicb_status_int = &(fpga ? fpga1 : fpga0)->ch0_hicb_status_int;
+		for (k = 0; k < 32; ++k) {
+			u16 status = in_le16(ch0_hicb_status_int + 4*k);
+			if (status)
+				printf("fpga %d hicb %d: hicb status %04x\n",
+					fpga, k, status);
+			/* reset events */
+			out_le16(ch0_hicb_status_int + 4*k, status);
+		}
+	}
+	blank_string(strlen(str_hicb));
+
 	/* verify phy status */
 	puts(str_status);
 	for (k = 0; k < 32; ++k) {

include/gdsys_fpga.h

@@ -82,7 +82,10 @@ typedef struct ihs_fpga {
 	u16 reserved_1[502];	/* 0x0014 */
 	u16 ch0_status_int;	/* 0x0400 */
 	u16 ch0_config_int;	/* 0x0402 */
-	u16 reserved_2[7677];	/* 0x0404 */
+	u16 reserved_2[126];	/* 0x0404 */
+	u16 ch0_hicb_status_int;/* 0x0500 */
+	u16 ch0_hicb_config_int;/* 0x0502 */
+	u16 reserved_3[7549];	/* 0x0504 */
 	u16 reflection_high;	/* 0x3ffe */
 } ihs_fpga_t;
 #endif