powerpc/t2080qds: fix for 1000BASE-KX
1000BASE-KX(1G-KX) uses SGMII protocol but the serdes lane runs in 1G-KX
mode. By default, the lane runs in SGMII mode, when a MAC uses a lane
in 1G-KX mode, corresponding bit in PCCR1 for the lane needs to be set,
and needs to fixup dtb accordingly for kernel to do proper initialization.
Hwconfig "fsl_1gkx" is used to indicate a MAC runs in 1G-KX mode, FM1 MAC
1/2/5/6/9/10 are available for 1G-KX, MAC 3/4 run in RGMII mode. To set a
MAC runs in 1G-KX mode, set its' corresponding env in "fsl_1gkx",
'fm1_1g1' stands for FM1-MAC1, 'fm1_1g2' stands for FM1-MAC2, etc.
If all MAC 1/2/5/6/9/10 run in 1G-KX mode, the hwconfig should has below
setting:
fsl_1gkx:fm1_1g1,fm1_1g2,fm1_1g5,fm1_1g6,fm1_1g9,fm1_1g10
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
[York Sun: Fix compiling warning]
Reviewed-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/t208xqds/eth_t208xqds.c b/board/freescale/t208xqds/eth_t208xqds.c
index 8675dbb..b82e9e7 100644
--- a/board/freescale/t208xqds/eth_t208xqds.c
+++ b/board/freescale/t208xqds/eth_t208xqds.c
@@ -47,6 +47,15 @@
#define EMI2 8
#endif
+#define PCCR1_SGMIIA_KX_MASK 0x00008000
+#define PCCR1_SGMIIB_KX_MASK 0x00004000
+#define PCCR1_SGMIIC_KX_MASK 0x00002000
+#define PCCR1_SGMIID_KX_MASK 0x00001000
+#define PCCR1_SGMIIE_KX_MASK 0x00000800
+#define PCCR1_SGMIIF_KX_MASK 0x00000400
+#define PCCR1_SGMIIG_KX_MASK 0x00000200
+#define PCCR1_SGMIIH_KX_MASK 0x00000100
+
static int mdio_mux[NUM_FM_PORTS];
static const char * const mdio_names[] = {
@@ -195,6 +204,11 @@
int off;
ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#ifdef CONFIG_T2080QDS
+ serdes_corenet_t *srds_regs =
+ (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
+ u32 srds1_pccr1 = in_be32(&srds_regs->srdspccr1);
+#endif
u32 srds_s1 = in_be32(&gur->rcwsr[4]) &
FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
@@ -205,9 +219,54 @@
switch (port) {
#if defined(CONFIG_T2080QDS)
case FM1_DTSEC1:
+ if (hwconfig_sub("fsl_1gkx", "fm1_1g1")) {
+ media_type = 1;
+ fdt_set_phy_handle(fdt, compat, addr,
+ "phy_1gkx1");
+ fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio1");
+ sprintf(buf, "%s%s%s", buf, "lane-c,",
+ (char *)lane_mode[0]);
+ out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
+ PCCR1_SGMIIH_KX_MASK);
+ break;
+ }
case FM1_DTSEC2:
+ if (hwconfig_sub("fsl_1gkx", "fm1_1g2")) {
+ media_type = 1;
+ fdt_set_phy_handle(fdt, compat, addr,
+ "phy_1gkx2");
+ fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio2");
+ sprintf(buf, "%s%s%s", buf, "lane-d,",
+ (char *)lane_mode[0]);
+ out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
+ PCCR1_SGMIIG_KX_MASK);
+ break;
+ }
case FM1_DTSEC9:
+ if (hwconfig_sub("fsl_1gkx", "fm1_1g9")) {
+ media_type = 1;
+ fdt_set_phy_handle(fdt, compat, addr,
+ "phy_1gkx9");
+ fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio9");
+ sprintf(buf, "%s%s%s", buf, "lane-a,",
+ (char *)lane_mode[0]);
+ out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
+ PCCR1_SGMIIE_KX_MASK);
+ break;
+ }
case FM1_DTSEC10:
+ if (hwconfig_sub("fsl_1gkx", "fm1_1g10")) {
+ media_type = 1;
+ fdt_set_phy_handle(fdt, compat, addr,
+ "phy_1gkx10");
+ fdt_status_okay_by_alias(fdt,
+ "1gkx_pcs_mdio10");
+ sprintf(buf, "%s%s%s", buf, "lane-b,",
+ (char *)lane_mode[0]);
+ out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
+ PCCR1_SGMIIF_KX_MASK);
+ break;
+ }
if (mdio_mux[port] == EMI1_SLOT2) {
sprintf(alias, "phy_sgmii_s2_%x", phy);
fdt_set_phy_handle(fdt, compat, addr, alias);
@@ -219,7 +278,29 @@
}
break;
case FM1_DTSEC5:
+ if (hwconfig_sub("fsl_1gkx", "fm1_1g5")) {
+ media_type = 1;
+ fdt_set_phy_handle(fdt, compat, addr,
+ "phy_1gkx5");
+ fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio5");
+ sprintf(buf, "%s%s%s", buf, "lane-g,",
+ (char *)lane_mode[0]);
+ out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
+ PCCR1_SGMIIC_KX_MASK);
+ break;
+ }
case FM1_DTSEC6:
+ if (hwconfig_sub("fsl_1gkx", "fm1_1g6")) {
+ media_type = 1;
+ fdt_set_phy_handle(fdt, compat, addr,
+ "phy_1gkx6");
+ fdt_status_okay_by_alias(fdt, "1gkx_pcs_mdio6");
+ sprintf(buf, "%s%s%s", buf, "lane-h,",
+ (char *)lane_mode[0]);
+ out_be32(&srds_regs->srdspccr1, srds1_pccr1 |
+ PCCR1_SGMIID_KX_MASK);
+ break;
+ }
if (mdio_mux[port] == EMI1_SLOT1) {
sprintf(alias, "phy_sgmii_s1_%x", phy);
fdt_set_phy_handle(fdt, compat, addr, alias);
@@ -263,6 +344,12 @@
default:
break;
}
+ if (media_type) {
+ /* set property for 1000BASE-KX in dtb */
+ off = fdt_node_offset_by_compat_reg(fdt,
+ "fsl,fman-memac-mdio", addr + 0x1000);
+ fdt_setprop_string(fdt, off, "lane-instance", buf);
+ }
} else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII) {
switch (srds_s1) {