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-rw-r--r--arch/powerpc/cpu/mpc85xx/p2041_serdes.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/p2041_serdes.c b/arch/powerpc/cpu/mpc85xx/p2041_serdes.c
new file mode 100644
index 0000000..87335c9
--- /dev/null
+++ b/arch/powerpc/cpu/mpc85xx/p2041_serdes.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2010-2011 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 <common.h>
+#include <asm/fsl_serdes.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include "fsl_corenet_serdes.h"
+
+static u8 serdes_cfg_tbl[][SRDS_MAX_LANES] = {
+ [0x2] = {NONE, NONE, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1,
+ NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
+ SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
+ [0x5] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, PCIE2, PCIE2,
+ NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2,
+ SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
+ [0x8] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
+ PCIE2, PCIE2, PCIE2, NONE, NONE, NONE, NONE, SATA1,
+ SATA2, NONE, NONE, NONE, NONE, },
+ [0x9] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
+ PCIE2, PCIE2, PCIE2, NONE, NONE, XAUI_FM1, XAUI_FM1,
+ XAUI_FM1, XAUI_FM1, NONE, NONE, NONE, NONE, },
+ [0xa] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
+ PCIE2, PCIE2, PCIE2, NONE, NONE, PCIE3, PCIE3, PCIE3,
+ PCIE3, NONE, NONE, NONE, NONE, },
+ [0xf] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SRIO2,
+ SRIO2, SRIO1, SRIO1, NONE, NONE, PCIE3, SGMII_FM1_DTSEC5,
+ SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, },
+ [0x14] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
+ PCIE2, SRIO1, SRIO1, NONE, NONE, AURORA,
+ SGMII_FM1_DTSEC5, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE,
+ NONE, NONE, NONE, },
+ [0x16] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, SGMII_FM1_DTSEC3,
+ SGMII_FM1_DTSEC4, NONE, NONE, NONE, NONE, SATA1, SATA2, NONE,
+ NONE, NONE, NONE, },
+ [0x17] = {NONE, NONE, PCIE1, PCIE3, PCIE2, PCIE2, SGMII_FM1_DTSEC3,
+ SGMII_FM1_DTSEC4, NONE, NONE, XAUI_FM1, XAUI_FM1, XAUI_FM1,
+ XAUI_FM1, NONE, NONE, NONE, NONE, },
+ [0x19] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, PCIE2,
+ PCIE2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE,
+ NONE, NONE, SATA1, SATA2, NONE, NONE, NONE, NONE, },
+ [0x1a] = {NONE, NONE, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, SRIO2,
+ SRIO2, SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE,
+ NONE, NONE, SATA1, SATA2, NONE, NONE, NONE, NONE, },
+ [0x1c] = {NONE, NONE, PCIE1, SGMII_FM1_DTSEC2, PCIE2, PCIE2,
+ SGMII_FM1_DTSEC3, SGMII_FM1_DTSEC4, NONE, NONE, AURORA,
+ SGMII_FM1_DTSEC5, NONE, NONE, NONE, NONE, NONE, NONE, },
+};
+
+enum srds_prtcl serdes_get_prtcl(int cfg, int lane)
+{
+ enum srds_prtcl prtcl;
+ u32 svr = get_svr();
+ u32 ver = SVR_SOC_VER(svr);
+
+ if (!serdes_lane_enabled(lane))
+ return NONE;
+
+ prtcl = serdes_cfg_tbl[cfg][lane];
+
+ /* P2040[e] does not support XAUI */
+ if (ver == SVR_P2040 && prtcl == XAUI_FM1)
+ prtcl = NONE;
+
+ return prtcl;
+}
+
+int is_serdes_prtcl_valid(u32 prtcl)
+{
+ int i;
+ u32 svr = get_svr();
+ u32 ver = SVR_SOC_VER(svr);
+
+ if (prtcl >= ARRAY_SIZE(serdes_cfg_tbl))
+ return 0;
+
+ /* P2040[e] does not support XAUI */
+ if (ver == SVR_P2040 && prtcl == XAUI_FM1)
+ return 0;
+
+ for (i = 0; i < SRDS_MAX_LANES; i++) {
+ if (serdes_cfg_tbl[prtcl][i] != NONE)
+ return 1;
+ }
+
+ return 0;
+}
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