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-rw-r--r--arch/powerpc/cpu/mpc85xx/Makefile1
-rw-r--r--arch/powerpc/cpu/mpc85xx/mpc8544_serdes.c95
2 files changed, 96 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile
index 78bc27a..dbb53c8 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -78,6 +78,7 @@ COBJS-$(CONFIG_FSL_CORENET) += fsl_corenet_serdes.o
# SoC specific SERDES support
COBJS-$(CONFIG_MPC8536) += mpc8536_serdes.o
+COBJS-$(CONFIG_MPC8544) += mpc8544_serdes.o
COBJS-$(CONFIG_MPC8548) += mpc8548_serdes.o
COBJS-$(CONFIG_MPC8568) += mpc8568_serdes.o
COBJS-$(CONFIG_MPC8569) += mpc8569_serdes.o
diff --git a/arch/powerpc/cpu/mpc85xx/mpc8544_serdes.c b/arch/powerpc/cpu/mpc85xx/mpc8544_serdes.c
new file mode 100644
index 0000000..7c49097
--- /dev/null
+++ b/arch/powerpc/cpu/mpc85xx/mpc8544_serdes.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <common.h>
+#include <asm/io.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_serdes.h>
+
+#define SRDS1_MAX_LANES 8
+#define SRDS2_MAX_LANES 4
+
+static u32 serdes1_prtcl_map, serdes2_prtcl_map;
+
+static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
+ [0x2] = {PCIE1, PCIE1, PCIE1, PCIE1, NONE, NONE, NONE, NONE},
+ [0x3] = {PCIE1, PCIE1, PCIE1, PCIE1, NONE, NONE, NONE, NONE},
+ [0x4] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2},
+ [0x5] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2},
+ [0x6] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2},
+ [0x7] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE2, PCIE2, PCIE2, PCIE2},
+};
+
+static u8 serdes2_cfg_tbl[][SRDS2_MAX_LANES] = {
+ [0x1] = {NONE, NONE, SGMII_TSEC1, SGMII_TSEC3},
+ [0x3] = {NONE, NONE, SGMII_TSEC1, SGMII_TSEC3},
+ [0x5] = {NONE, NONE, SGMII_TSEC1, SGMII_TSEC3},
+ [0x6] = {PCIE3, NONE, NONE, NONE},
+ [0x7] = {PCIE3, NONE, SGMII_TSEC1, SGMII_TSEC3},
+};
+
+int is_serdes_configured(enum srds_prtcl device)
+{
+ int ret = (1 << device) & serdes1_prtcl_map;
+
+ if (ret)
+ return ret;
+
+ return (1 << device) & serdes2_prtcl_map;
+}
+
+void fsl_serdes_init(void)
+{
+ ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+ u32 pordevsr = in_be32(&gur->pordevsr);
+ u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
+ MPC85xx_PORDEVSR_IO_SEL_SHIFT;
+ int lane;
+
+ debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg);
+
+ if (srds_cfg > ARRAY_SIZE(serdes1_cfg_tbl)) {
+ printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg);
+ return;
+ }
+ for (lane = 0; lane < SRDS1_MAX_LANES; lane++) {
+ enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds_cfg][lane];
+ serdes1_prtcl_map |= (1 << lane_prtcl);
+ }
+
+ if (srds_cfg > ARRAY_SIZE(serdes2_cfg_tbl)) {
+ printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg);
+ return;
+ }
+
+ for (lane = 0; lane < SRDS2_MAX_LANES; lane++) {
+ enum srds_prtcl lane_prtcl = serdes2_cfg_tbl[srds_cfg][lane];
+ serdes2_prtcl_map |= (1 << lane_prtcl);
+ }
+
+ if (pordevsr & MPC85xx_PORDEVSR_SGMII1_DIS)
+ serdes2_prtcl_map &= ~(1 << SGMII_TSEC1);
+
+ if (pordevsr & MPC85xx_PORDEVSR_SGMII3_DIS)
+ serdes2_prtcl_map &= ~(1 << SGMII_TSEC3);
+}