Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / common / fman.c

diff --git a/qemu/roms/u-boot/board/freescale/common/fman.c b/qemu/roms/u-boot/board/freescale/common/fman.c
new file mode 100644 (file)
index 0000000..9dc5402
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/common/fman.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <libfdt.h>
+#include <libfdt_env.h>
+#include <fdt_support.h>
+
+#include <fm_eth.h>
+#include <asm/fsl_serdes.h>
+
+/*
+ * Given the following ...
+ *
+ * 1) A pointer to an Fman Ethernet node (as identified by the 'compat'
+ * compatible string and 'addr' physical address)
+ *
+ * 2) The name of an alias that points to the ethernet-phy node (usually inside
+ * a virtual MDIO node)
+ *
+ * ... update that Ethernet node's phy-handle property to point to the
+ * ethernet-phy node.  This is how we link an Ethernet node to its PHY, so each
+ * PHY in a virtual MDIO node must have an alias.
+ *
+ * Returns 0 on success, or a negative FDT error code on error.
+ */
+int fdt_set_phy_handle(void *fdt, char *compat, phys_addr_t addr,
+                       const char *alias)
+{
+       int offset;
+       unsigned int ph;
+       const char *path;
+
+       /* Get a path to the node that 'alias' points to */
+       path = fdt_get_alias(fdt, alias);
+       if (!path)
+               return -FDT_ERR_BADPATH;
+
+       /* Get the offset of that node */
+       offset = fdt_path_offset(fdt, path);
+       if (offset < 0)
+               return offset;
+
+       ph = fdt_create_phandle(fdt, offset);
+       if (!ph)
+               return -FDT_ERR_BADPHANDLE;
+
+       offset = fdt_node_offset_by_compat_reg(fdt, compat, addr);
+       if (offset < 0)
+               return offset;
+
+       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];
+}