[U-Boot] [PATCH 4/8] ppc4xx: Adapt DLVision 10G to new FPGA firmware

[Dirk Eibach]

Signed-off-by: Dirk Eibach <eibach at gdsys.de>
---
 board/gdsys/405ep/405ep.c        |    9 ++++++++-
 board/gdsys/405ep/dlvision-10g.c |   25 ++++++++++++++++++++-----
 include/configs/dlvision-10g.h   |    2 ++
 include/gdsys_fpga.h             |    8 +++-----
 4 files changed, 33 insertions(+), 11 deletions(-)

diff --git a/board/gdsys/405ep/405ep.c b/board/gdsys/405ep/405ep.c
index 86a3ec8..8b80533 100644
--- a/board/gdsys/405ep/405ep.c
+++ b/board/gdsys/405ep/405ep.c
@@ -110,6 +110,11 @@ int board_early_init_f(void)
 
 	for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
 		ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(k);
+#ifdef CONFIG_SYS_FPGA_NO_RFL_HI
+		u16 *reflection_target = &fpga->reflection_low;
+#else
+		u16 *reflection_target = &fpga->reflection_high;
+#endif
 		/*
 		 * wait for fpga out of reset
 		 */
@@ -117,9 +122,11 @@ int board_early_init_f(void)
 		while (1) {
 			out_le16(&fpga->reflection_low,
 				REFLECTION_TESTPATTERN);
-			if (in_le16(&fpga->reflection_high) ==
+
+			if (in_le16(reflection_target) ==
 				REFLECTION_TESTPATTERN_INV)
 				break;
+
 			udelay(100000);
 			if (ctr++ > 5) {
 				gd->fpga_state[k] |=
diff --git a/board/gdsys/405ep/dlvision-10g.c b/board/gdsys/405ep/dlvision-10g.c
index d7b4fb2..0388541 100644
--- a/board/gdsys/405ep/dlvision-10g.c
+++ b/board/gdsys/405ep/dlvision-10g.c
@@ -34,6 +34,8 @@
 #define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
 #define LATCH2_MC2_PRESENT_N 0x0080
 
+#define LATCH3_BASE (CONFIG_SYS_LATCH_BASE + 0x300)
+
 enum {
 	UNITTYPE_VIDEO_USER = 0,
 	UNITTYPE_MAIN_USER = 1,
@@ -63,6 +65,20 @@ enum {
 	RAM_DDR2_64 = 2,
 };
 
+static unsigned int get_hwver(void)
+{
+	u16 latch3 = in_le16((void *)LATCH3_BASE);
+
+	return latch3 & 0x0003;
+}
+
+static unsigned int get_mc2_present(void)
+{
+	u16 latch2 = in_le16((void *)LATCH2_BASE);
+
+	return !(latch2 & LATCH2_MC2_PRESENT_N);
+}
+
 static void print_fpga_info(unsigned dev)
 {
 	ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(dev);
@@ -210,7 +226,6 @@ static void print_fpga_info(unsigned dev)
 int checkboard(void)
 {
 	char *s = getenv("serial#");
-	u16 latch2 = in_le16((void *)LATCH2_BASE);
 
 	printf("Board: ");
 
@@ -224,7 +239,7 @@ int checkboard(void)
 	puts("\n");
 
 	print_fpga_info(0);
-	if (!(latch2 & LATCH2_MC2_PRESENT_N))
+	if (get_mc2_present())
 		print_fpga_info(1);
 
 	return 0;
@@ -234,15 +249,15 @@ int last_stage_init(void)
 {
 	ihs_fpga_t *fpga = (ihs_fpga_t *) CONFIG_SYS_FPGA_BASE(0);
 	u16 versions = in_le16(&fpga->versions);
-	u16 latch2 = in_le16((void *)LATCH2_BASE);
 
 	if (((versions >> 4) & 0x000f) != UNITTYPE_MAIN_USER)
 		return 0;
 
-	if (!get_fpga_state(0))
+	if (!get_fpga_state(0) || (get_hwver() == HWVER_101))
 		osd_probe(0);
 
-	if (!(latch2 & LATCH2_MC2_PRESENT_N) && !get_fpga_state(1))
+	if (get_mc2_present() &&
+	    (!get_fpga_state(1) || (get_hwver() == HWVER_101)))
 		osd_probe(1);
 
 	return 0;
diff --git a/include/configs/dlvision-10g.h b/include/configs/dlvision-10g.h
index ae209fa..548b7eb 100644
--- a/include/configs/dlvision-10g.h
+++ b/include/configs/dlvision-10g.h
@@ -136,6 +136,8 @@
 #define CONFIG_SYS_LATCH1_RESET		0xffcf
 #define CONFIG_SYS_LATCH1_BOOT		0xffff
 
+#define CONFIG_SYS_FPGA_NO_RFL_HI
+
 /*
  * FLASH organization
  */
diff --git a/include/gdsys_fpga.h b/include/gdsys_fpga.h
index 1fccd27..eaf6daa 100644
--- a/include/gdsys_fpga.h
+++ b/include/gdsys_fpga.h
@@ -94,13 +94,11 @@ typedef struct ihs_fpga {
 	u16 extended_interrupt; /* 0x001c */
 	u16 reserved_1[9];	/* 0x001e */
 	ihs_i2c_t i2c;		/* 0x0030 */
-	u16 reserved_2[35];	/* 0x0038 */
-	u16 reflection_high;	/* 0x007e */
-	u16 reserved_3[15];	/* 0x0080 */
+	u16 reserved_2[51];	/* 0x0038 */
 	u16 videocontrol;	/* 0x009e */
-	u16 reserved_4[176];	/* 0x00a0 */
+	u16 reserved_3[176];	/* 0x00a0 */
 	ihs_osd_t osd;		/* 0x0200 */
-	u16 reserved_5[764];	/* 0x0208 */
+	u16 reserved_4[764];	/* 0x0208 */
 	u16 videomem;		/* 0x0800 */
 } ihs_fpga_t;
 #endif
-- 
1.5.6.5