X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Farch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fmpc8568_serdes.c;fp=qemu%2Froms%2Fu-boot%2Farch%2Fpowerpc%2Fcpu%2Fmpc85xx%2Fmpc8568_serdes.c;h=9199f01b9bb2904b6daae770391f38f6d640bc33;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c
new file mode 100644
index 000000000..9199f01b9
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/mpc8568_serdes.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <asm/io.h>
+#include <asm/immap_85xx.h>
+#include <asm/fsl_serdes.h>
+
+#define SRDS1_MAX_LANES		8
+
+static u32 serdes1_prtcl_map;
+
+static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
+	[0x3] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1},
+	[0x4] = {PCIE1, PCIE1, PCIE1, PCIE1, SRIO1, SRIO1, SRIO1, SRIO1},
+	[0x5] = {NONE, NONE, NONE, NONE, SRIO1, SRIO1, SRIO1, SRIO1},
+	[0x6] = {NONE, NONE, NONE, NONE, SRIO1, SRIO1, SRIO1, SRIO1},
+	[0x7] = {PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1, PCIE1},
+};
+
+int is_serdes_configured(enum srds_prtcl prtcl)
+{
+	return (1 << prtcl) & serdes1_prtcl_map;
+}
+
+void fsl_serdes_init(void)
+{
+	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+	u32 pordevsr = in_be32(&gur->pordevsr);
+	u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
+				MPC85xx_PORDEVSR_IO_SEL_SHIFT;
+	int lane;
+
+	debug("PORDEVSR[IO_SEL_SRDS] = %x\n", srds_cfg);
+
+	if (srds_cfg >= ARRAY_SIZE(serdes1_cfg_tbl)) {
+		printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg);
+		return;
+	}
+
+	for (lane = 0; lane < SRDS1_MAX_LANES; lane++) {
+		enum srds_prtcl lane_prtcl = serdes1_cfg_tbl[srds_cfg][lane];
+		serdes1_prtcl_map |= (1 << lane_prtcl);
+	}
+}