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Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c')
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c
new file mode 100644
index 0000000..1da6b71
--- /dev/null
+++ b/arch/arm/cpu/armv8/fsl-layerscape/ls1046a_serdes.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/arch/immap_lsch2.h>
+
+struct serdes_config {
+ u32 protocol;
+ u8 lanes[SRDS_MAX_LANES];
+};
+
+static struct serdes_config serdes1_cfg_tbl[] = {
+ /* SerDes 1 */
+ {0x3333, {SGMII_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
+ SGMII_FM1_DTSEC6} },
+ {0x1133, {XFI_FM1_MAC9, XFI_FM1_MAC10, SGMII_FM1_DTSEC5,
+ SGMII_FM1_DTSEC6} },
+ {0x1333, {XFI_FM1_MAC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
+ SGMII_FM1_DTSEC6} },
+ {0x2333, {SGMII_2500_FM1_DTSEC9, SGMII_FM1_DTSEC10, SGMII_FM1_DTSEC5,
+ SGMII_FM1_DTSEC6} },
+ {0x2233, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
+ SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
+ {0x1040, {XFI_FM1_MAC9, NONE, QSGMII_FM1_A, NONE} },
+ {0x2040, {SGMII_2500_FM1_DTSEC9, NONE, QSGMII_FM1_A, NONE} },
+ {0x1163, {XFI_FM1_MAC9, XFI_FM1_MAC10, PCIE1, SGMII_FM1_DTSEC6} },
+ {0x2263, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10, PCIE1,
+ SGMII_FM1_DTSEC6} },
+ {0x3363, {SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC6, PCIE1,
+ SGMII_FM1_DTSEC6} },
+ {0x2223, {SGMII_2500_FM1_DTSEC9, SGMII_2500_FM1_DTSEC10,
+ SGMII_2500_FM1_DTSEC5, SGMII_FM1_DTSEC6} },
+ {}
+};
+
+static struct serdes_config serdes2_cfg_tbl[] = {
+ /* SerDes 2 */
+ {0x8888, {PCIE1, PCIE1, PCIE1, PCIE1} },
+ {0x5559, {PCIE1, PCIE2, PCIE3, SATA1} },
+ {0x5577, {PCIE1, PCIE2, PCIE3, PCIE3} },
+ {0x5506, {PCIE1, PCIE2, NONE, PCIE3} },
+ {0x0506, {NONE, PCIE2, NONE, PCIE3} },
+ {0x0559, {NONE, PCIE2, PCIE3, SATA1} },
+ {0x5A59, {PCIE1, SGMII_FM1_DTSEC2, PCIE3, SATA1} },
+ {0x5A06, {PCIE1, SGMII_FM1_DTSEC2, NONE, PCIE3} },
+ {}
+};
+
+static struct serdes_config *serdes_cfg_tbl[] = {
+ serdes1_cfg_tbl,
+ serdes2_cfg_tbl,
+};
+
+enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
+{
+ struct serdes_config *ptr;
+
+ if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
+ return 0;
+
+ ptr = serdes_cfg_tbl[serdes];
+ while (ptr->protocol) {
+ if (ptr->protocol == cfg)
+ return ptr->lanes[lane];
+ ptr++;
+ }
+
+ return 0;
+}
+
+int is_serdes_prtcl_valid(int serdes, u32 prtcl)
+{
+ int i;
+ struct serdes_config *ptr;
+
+ if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
+ return 0;
+
+ ptr = serdes_cfg_tbl[serdes];
+ while (ptr->protocol) {
+ if (ptr->protocol == prtcl)
+ break;
+ ptr++;
+ }
+
+ if (!ptr->protocol)
+ return 0;
+
+ for (i = 0; i < SRDS_MAX_LANES; i++) {
+ if (ptr->lanes[i] != NONE)
+ return 1;
+ }
+
+ return 0;
+}