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authorTimur Tabi <timur@freescale.com>2012-08-14 06:47:23 +0000
committerAndy Fleming <afleming@freescale.com>2012-08-23 10:24:18 -0500
commit45b092d3010caa8d9a1f8c4f89afcbb6c5e5bee6 (patch)
treeef24b84c5bc82fc26ae8cc51eb796b00b9c0c921 /board/freescale/common
parentae2291fbe0f9858d332423a97c6b09157005050f (diff)
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powerpc/85xx: introduce function serdes_device_from_fm_port()
In order to figure out which SerDes lane a given Fman port is connected to, we need a function that maps the fm_port namespace to the srds_prtcl namespace. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'board/freescale/common')
-rw-r--r--board/freescale/common/fman.c31
-rw-r--r--board/freescale/common/fman.h2
2 files changed, 33 insertions, 0 deletions
diff --git a/board/freescale/common/fman.c b/board/freescale/common/fman.c
index 6ddf816..3ef4936 100644
--- a/board/freescale/common/fman.c
+++ b/board/freescale/common/fman.c
@@ -25,6 +25,9 @@
#include <libfdt_env.h>
#include <fdt_support.h>
+#include <fm_eth.h>
+#include <asm/fsl_serdes.h>
+
/*
* Given the following ...
*
@@ -67,3 +70,31 @@ int fdt_set_phy_handle(void *fdt, char *compat, phys_addr_t addr,
return fdt_setprop(fdt, offset, "phy-handle", &ph, sizeof(ph));
}
+
+/*
+ * Return the SerDes device enum for a given Fman port
+ *
+ * This function just maps the fm_port namespace to the srds_prtcl namespace.
+ */
+enum srds_prtcl serdes_device_from_fm_port(enum fm_port port)
+{
+ static const enum srds_prtcl srds_table[] = {
+ [FM1_DTSEC1] = SGMII_FM1_DTSEC1,
+ [FM1_DTSEC2] = SGMII_FM1_DTSEC2,
+ [FM1_DTSEC3] = SGMII_FM1_DTSEC3,
+ [FM1_DTSEC4] = SGMII_FM1_DTSEC4,
+ [FM1_DTSEC5] = SGMII_FM1_DTSEC5,
+ [FM1_10GEC1] = XAUI_FM1,
+ [FM2_DTSEC1] = SGMII_FM2_DTSEC1,
+ [FM2_DTSEC2] = SGMII_FM2_DTSEC2,
+ [FM2_DTSEC3] = SGMII_FM2_DTSEC3,
+ [FM2_DTSEC4] = SGMII_FM2_DTSEC4,
+ [FM2_DTSEC5] = SGMII_FM2_DTSEC5,
+ [FM2_10GEC1] = XAUI_FM2,
+ };
+
+ if ((port < FM1_DTSEC1) || (port > FM2_10GEC1))
+ return NONE;
+ else
+ return srds_table[port];
+}
diff --git a/board/freescale/common/fman.h b/board/freescale/common/fman.h
index d39ef08..734b1da 100644
--- a/board/freescale/common/fman.h
+++ b/board/freescale/common/fman.h
@@ -23,4 +23,6 @@
int fdt_set_phy_handle(void *fdt, char *compat, phys_addr_t addr,
const char *alias);
+enum srds_prtcl serdes_device_from_fm_port(enum fm_port port);
+
#endif