powerpc/ppc4xx: Add support for iocon-2

Add a new iocon flavor with a second communiction port per channel.

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

diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c
index f6502b3..664b1e1 100644 (file)
--- a/board/gdsys/405ep/iocon.c
+++ b/board/gdsys/405ep/iocon.c
@@ -30,6 +30,8 @@ DECLARE_GLOBAL_DATA_PTR;
 #define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100)
 #define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
 
+#define MAX_MUX_CHANNELS 2
+
 enum {
        UNITTYPE_MAIN_SERVER = 0,
        UNITTYPE_MAIN_USER = 1,
@@ -163,7 +165,7 @@ int checkboard(void)
        return 0;
 }
 
-static void print_fpga_info(unsigned int fpga)
+static void print_fpga_info(unsigned int fpga, bool rgmii2_present)
 {
        u16 versions;
        u16 fpga_version;
@@ -260,6 +262,8 @@ static void print_fpga_info(unsigned int fpga)
                               hardware_version);
                        break;
                }
+               if (rgmii2_present)
+                       printf(" RGMII2,");
        }
 
        if (unit_type == UNITTYPE_VIDEO_USER) {
@@ -362,14 +366,19 @@ int last_stage_init(void)
 {
        int slaves;
        unsigned int k;
+       unsigned int mux_ch;
        unsigned char mclink_controllers[] = { 0x24, 0x25, 0x26 };
        int legacy = get_fpga_state(0) & FPGA_STATE_PLATFORM;
        u16 fpga_features;
        int feature_carrier_speed = fpga_features & (1<<4);
+       bool ch0_rgmii2_present = false;
 
        FPGA_GET_REG(0, fpga_features, &fpga_features);
 
-       print_fpga_info(0);
+       if (!legacy)
+               ch0_rgmii2_present = !pca9698_get_value(0x20, 30);
+
+       print_fpga_info(0, ch0_rgmii2_present);
        osd_probe(0);
 
        /* wait for FPGA done */
@@ -392,10 +401,15 @@ int last_stage_init(void)
        if (!legacy && (feature_carrier_speed == CARRIER_SPEED_1G)) {
                miiphy_register(bb_miiphy_buses[0].name, bb_miiphy_read,
                                bb_miiphy_write);
-               if (!verify_88e1518(bb_miiphy_buses[0].name, 0)) {
-                       printf("Fixup 88e1518 erratum on %s\n",
-                              bb_miiphy_buses[0].name);
-                       setup_88e1518(bb_miiphy_buses[0].name, 0);
+               for (mux_ch = 0; mux_ch < MAX_MUX_CHANNELS; ++mux_ch) {
+                       if ((mux_ch == 1) && !ch0_rgmii2_present)
+                               continue;
+
+                       if (!verify_88e1518(bb_miiphy_buses[0].name, mux_ch)) {
+                               printf("Fixup 88e1518 erratum on %s phy %u\n",
+                                      bb_miiphy_buses[0].name, mux_ch);
+                               setup_88e1518(bb_miiphy_buses[0].name, mux_ch);
+                       }
                }
        }
 
@@ -415,7 +429,7 @@ int last_stage_init(void)
                FPGA_GET_REG(k, fpga_features, &fpga_features);
                feature_carrier_speed = fpga_features & (1<<4);
 
-               print_fpga_info(k);
+               print_fpga_info(k, false);
                osd_probe(k);
                if (feature_carrier_speed == CARRIER_SPEED_1G) {
                        miiphy_register(bb_miiphy_buses[k].name,
@@ -590,7 +604,7 @@ static int mii_delay(struct bb_miiphy_bus *bus)
 
 struct bb_miiphy_bus bb_miiphy_buses[] = {
        {
-               .name = "trans1",
+               .name = "board0",
                .init = mii_dummy_init,
                .mdio_active = mii_mdio_active,
                .mdio_tristate = mii_mdio_tristate,
@@ -601,7 +615,7 @@ struct bb_miiphy_bus bb_miiphy_buses[] = {
                .priv = &fpga_mii[0],
        },
        {
-               .name = "trans2",
+               .name = "board1",
                .init = mii_dummy_init,
                .mdio_active = mii_mdio_active,
                .mdio_tristate = mii_mdio_tristate,
@@ -612,7 +626,7 @@ struct bb_miiphy_bus bb_miiphy_buses[] = {
                .priv = &fpga_mii[1],
        },
        {
-               .name = "trans3",
+               .name = "board2",
                .init = mii_dummy_init,
                .mdio_active = mii_mdio_active,
                .mdio_tristate = mii_mdio_tristate,
@@ -623,7 +637,7 @@ struct bb_miiphy_bus bb_miiphy_buses[] = {
                .priv = &fpga_mii[2],
        },
        {
-               .name = "trans4",
+               .name = "board3",
                .init = mii_dummy_init,
                .mdio_active = mii_mdio_active,
                .mdio_tristate = mii_mdio_tristate,