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Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c')
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c
new file mode 100644
index 0000000000..a04a370268
--- /dev/null
+++ b/arch/arm/cpu/armv8/fsl-layerscape/lx2160a_serdes.c
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP
+ */
+
+#include <common.h>
+#include <asm/arch/fsl_serdes.h>
+
+struct serdes_config {
+ u8 protocol;
+ u8 lanes[SRDS_MAX_LANES];
+};
+
+static struct serdes_config serdes1_cfg_tbl[] = {
+ /* SerDes 1 */
+ {0x01, {PCIE2, PCIE2, PCIE2, PCIE2, PCIE1, PCIE1, PCIE1, PCIE1 } },
+ {0x02, {PCIE2, PCIE2, PCIE2, PCIE2, SGMII6, SGMII5, SGMII4, SGMII3 } },
+ {0x03, {PCIE2, PCIE2, PCIE2, PCIE2, XFI6, XFI5, XFI4,
+ XFI3 } },
+ {0x04, {SGMII10, SGMII9, SGMII8, SGMII7, SGMII6, SGMII5, SGMII4,
+ SGMII3 } },
+ {0x05, {XFI10, XFI9, XFI8, XFI7, PCIE1, PCIE1, PCIE1,
+ PCIE1 } },
+ {0x06, {SGMII10, SGMII9, SGMII8, SGMII7, SGMII6, SGMII5, XFI4,
+ XFI3 } },
+ {0x07, {SGMII10, SGMII9, SGMII8, SGMII7, XFI6, XFI5, XFI4,
+ XFI3 } },
+ {0x08, {XFI10, XFI9, XFI8, XFI7, XFI6, XFI5, XFI4, XFI3 } },
+ {0x09, {SGMII10, SGMII9, SGMII8, PCIE2, SGMII6, SGMII5, SGMII4,
+ PCIE1 } },
+ {0x0A, {XFI10, XFI9, XFI8, PCIE2, XFI6, XFI5, XFI4, PCIE1 } },
+ {0x0B, {SGMII10, SGMII9, PCIE2, PCIE2, SGMII6, SGMII5, PCIE1, PCIE1 } },
+ {0x0C, {SGMII10, SGMII9, PCIE2, PCIE2, PCIE1, PCIE1, PCIE1, PCIE1 } },
+ {0x0D, {_100GE2, _100GE2, _100GE2, _100GE2, _100GE1, _100GE1, _100GE1,
+ _100GE1 } },
+ {0x0E, {PCIE2, PCIE2, PCIE2, PCIE2, _100GE1, _100GE1, _100GE1,
+ _100GE1 } },
+ {0x0F, {PCIE2, PCIE2, PCIE2, PCIE2, _50GE2, _50GE2, _50GE1, _50GE1 } },
+ {0x10, {PCIE2, PCIE2, PCIE2, PCIE2, _25GE6, _25GE5, _50GE1, _50GE1 } },
+ {0x11, {PCIE2, PCIE2, PCIE2, PCIE2, _25GE6, _25GE5, _25GE4, _25GE3 } },
+ {0x12, {XFI10, XFI9, XFI8, XFI7, _25GE6, _25GE5, XFI4,
+ XFI3 } },
+ {0x13, {_40GE2, _40GE2, _40GE2, _40GE2, _25GE6, _25GE5, XFI4, XFI3 } },
+ {0x14, {_40GE2, _40GE2, _40GE2, _40GE2, _40GE1, _40GE1, _40GE1,
+ _40GE1 } },
+ {0x15, {_25GE10, _25GE9, PCIE2, PCIE2, _25GE6, _25GE5, _25GE4,
+ _25GE3 } },
+ {0x16, {XFI10, XFI9, PCIE2, PCIE2, XFI6, XFI5, XFI4, XFI3 } },
+ {}
+};
+
+static struct serdes_config serdes2_cfg_tbl[] = {
+ /* SerDes 2 */
+ {0x01, {PCIE3, PCIE3, SATA1, SATA2, PCIE4, PCIE4, PCIE4, PCIE4 } },
+ {0x02, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3, PCIE3 } },
+ {0x03, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, PCIE4, PCIE4 } },
+ {0x04, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SATA1, SATA2 } },
+ {0x05, {PCIE3, PCIE3, PCIE3, PCIE3, SATA3, SATA4, SATA1, SATA2 } },
+ {0x06, {PCIE3, PCIE3, PCIE3, PCIE3, SGMII15, SGMII16, XFI13,
+ XFI14 } },
+ {0x07, {PCIE3, SGMII12, SGMII17, SGMII18, PCIE4, SGMII16, XFI13,
+ XFI14 } },
+ {0x08, {NONE, NONE, SATA1, SATA2, SATA3, SATA4, XFI13, XFI14 } },
+ {0x09, {SGMII11, SGMII12, SGMII17, SGMII18, SGMII15, SGMII16, SGMII13,
+ SGMII14} },
+ {0x0A, {SGMII11, SGMII12, SGMII17, SGMII18, PCIE4, PCIE4, PCIE4,
+ PCIE4 } },
+ {0x0B, {PCIE3, SGMII12, SGMII17, SGMII18, PCIE4, SGMII16, SGMII13,
+ SGMII14 } },
+ {0x0C, {SGMII11, SGMII12, SGMII17, SGMII18, PCIE4, PCIE4, SATA1,
+ SATA2 } },
+ {0x0D, {PCIE3, PCIE3, PCIE3, PCIE3, PCIE4, PCIE4, SGMII13, SGMII14 } },
+ {0x0E, {PCIE3, PCIE3, SGMII17, SGMII18, PCIE4, PCIE4, SGMII13,
+ SGMII14 } },
+ {}
+};
+
+static struct serdes_config serdes3_cfg_tbl[] = {
+ /* SerDes 3 */
+ {0x02, {PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5, PCIE5 } },
+ {0x03, {PCIE5, PCIE5, PCIE5, PCIE5, PCIE6, PCIE6, PCIE6, PCIE6 } },
+ {}
+};
+
+static struct serdes_config *serdes_cfg_tbl[] = {
+ serdes1_cfg_tbl,
+ serdes2_cfg_tbl,
+ serdes3_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;
+}