Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / powerpc / cpu / mpc85xx / p1023_serdes.c

diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/p1023_serdes.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/p1023_serdes.c
new file mode 100644 (file)
index 0000000..e83b0a3
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/p1023_serdes.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * Author: Roy Zang <tie-fei.zang@freescale.com>
+ *
+ * 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                4
+
+static u32 serdes1_prtcl_map;
+
+static const u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
+       [0x00] = {PCIE1, PCIE2, NONE, NONE},
+       [0x01] = {PCIE1, PCIE2, PCIE3, NONE},
+       [0x02] = {PCIE1, PCIE2, PCIE3, SGMII_FM1_DTSEC2},
+       [0x03] = {PCIE1, PCIE2, SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2},
+};
+
+int is_serdes_configured(enum srds_prtcl device)
+{
+       int ret = (1 << device) & serdes1_prtcl_map;
+       return ret;
+}
+
+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);
+       }
+
+}