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Diffstat (limited to 'board/keymile/km83xx/km83xx.c')
-rw-r--r--board/keymile/km83xx/km83xx.c103
1 files changed, 94 insertions, 9 deletions
diff --git a/board/keymile/km83xx/km83xx.c b/board/keymile/km83xx/km83xx.c
index 83a8753..faaa39b 100644
--- a/board/keymile/km83xx/km83xx.c
+++ b/board/keymile/km83xx/km83xx.c
@@ -98,17 +98,13 @@ const qe_iop_conf_t qe_iop_conf_tab[] = {
static int board_init_i2c_busses(void)
{
I2C_MUX_DEVICE *dev = NULL;
- uchar *buf;
+ uchar *dtt_bus = (uchar *)"pca9547:70:a";
/* Set up the Bus for the DTTs */
- buf = (unsigned char *) getenv("dtt_bus");
- if (buf != NULL)
- dev = i2c_mux_ident_muxstring(buf);
- if (dev == NULL) {
+ dev = i2c_mux_ident_muxstring(dtt_bus);
+ if (dev == NULL)
printf("Error couldn't add Bus for DTT\n");
- printf("please setup dtt_bus to where your\n");
- printf("DTT is found.\n");
- }
+
return 0;
}
@@ -133,6 +129,28 @@ const uint upma_table[] = {
};
#endif
+static int piggy_present(void)
+{
+ struct km_bec_fpga __iomem *base =
+ (struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
+
+ return in_8(&base->bprth) & PIGGY_PRESENT;
+}
+
+#if defined(CONFIG_KMVECT1)
+int ethernet_present(void)
+{
+ /* ethernet port connected to simple switch without piggy */
+ return 1;
+}
+#else
+int ethernet_present(void)
+{
+ return piggy_present();
+}
+#endif
+
+
int board_early_init_r(void)
{
struct km_bec_fpga *base =
@@ -193,8 +211,75 @@ int misc_init_r(void)
return 0;
}
+#if defined(CONFIG_KMVECT1)
+#include <mv88e6352.h>
+/* Marvell MV88E6122 switch configuration */
+static struct mv88e_sw_reg extsw_conf[] = {
+ /* port 1, FRONT_MDI, autoneg */
+ { PORT(1), PORT_PHY, NO_SPEED_FOR },
+ { PORT(1), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
+ { PHY(1), PHY_1000_CTRL, NO_ADV },
+ { PHY(1), PHY_SPEC_CTRL, AUTO_MDIX_EN },
+ { PHY(1), PHY_CTRL, PHY_100_MBPS | AUTONEG_EN | AUTONEG_RST |
+ FULL_DUPLEX },
+ /* port 2, unused */
+ { PORT(2), PORT_CTRL, PORT_DIS },
+ { PHY(2), PHY_CTRL, PHY_PWR_DOWN },
+ { PHY(2), PHY_SPEC_CTRL, SPEC_PWR_DOWN },
+ /* port 3, BP_MII (CPU), PHY mode, 100BASE */
+ { PORT(3), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
+ /* port 4, ESTAR to slot 11, SerDes, 1000BASE-X */
+ { PORT(4), PORT_STATUS, NO_PHY_DETECT },
+ { PORT(4), PORT_PHY, SPEED_1000_FOR },
+ { PORT(4), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
+ /* port 5, ESTAR to slot 13, SerDes, 1000BASE-X */
+ { PORT(5), PORT_STATUS, NO_PHY_DETECT },
+ { PORT(5), PORT_PHY, SPEED_1000_FOR },
+ { PORT(5), PORT_CTRL, FORWARDING | EGRS_FLD_ALL },
+ /*
+ * Errata Fix: 1.9V Output from Internal 1.8V Regulator,
+ * acc . MV-S300889-00D.pdf , clause 4.5
+ */
+ { PORT(5), 0x1A, 0xADB1 },
+ /* port 6, unused, this port has no phy */
+ { PORT(6), PORT_CTRL, PORT_DIS },
+};
+#endif
+
int last_stage_init(void)
{
+#if defined(CONFIG_KMVECT1)
+ struct km_bec_fpga __iomem *base =
+ (struct km_bec_fpga __iomem *)CONFIG_SYS_KMBEC_FPGA_BASE;
+ u8 tmp_reg;
+
+ /* Release mv88e6122 from reset */
+ tmp_reg = in_8(&base->res1[0]) | 0x10; /* DIRECT3 register */
+ out_8(&base->res1[0], tmp_reg); /* GP28 as output */
+ tmp_reg = in_8(&base->gprt3) | 0x10; /* GP28 to high */
+ out_8(&base->gprt3, tmp_reg);
+
+ /* configure MV88E6122 switch */
+ char *name = "UEC2";
+
+ if (miiphy_set_current_dev(name))
+ return 0;
+
+ mv88e_sw_program(name, CONFIG_KM_MVEXTSW_ADDR, extsw_conf,
+ ARRAY_SIZE(extsw_conf));
+
+ mv88e_sw_reset(name, CONFIG_KM_MVEXTSW_ADDR);
+
+ if (piggy_present()) {
+ setenv("ethact", "UEC2");
+ setenv("netdev", "eth1");
+ puts("using PIGGY for network boot\n");
+ } else {
+ setenv("netdev", "eth0");
+ puts("using frontport for network boot\n");
+ }
+#endif
+
#if defined(CONFIG_KMCOGE5NE)
struct bfticu_iomap *base =
(struct bfticu_iomap *)CONFIG_SYS_BFTIC3_BASE;
@@ -280,7 +365,7 @@ int checkboard(void)
{
puts("Board: Keymile " CONFIG_KM_BOARD_NAME);
- if (ethernet_present())
+ if (piggy_present())
puts(" with PIGGY.");
puts("\n");
return 0;