Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / powerpc / cpu / mpc85xx / c29x_serdes.c

diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/c29x_serdes.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/c29x_serdes.c
new file mode 100644 (file)
index 0000000..51972cb
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/cpu/mpc85xx/c29x_serdes.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2013 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                4
+
+static u32 serdes1_prtcl_map;
+
+struct serdes_config {
+       u32 protocol;
+       u8 lanes[SRDS1_MAX_LANES];
+};
+
+static const struct serdes_config serdes1_cfg_tbl[] = {
+       /* SerDes 1 */
+       {1, {PCIE1, PCIE1, PCIE1, PCIE1} },
+       {2, {PCIE1, PCIE1, PCIE1, PCIE1} },
+       {3, {PCIE1, PCIE1, NONE, NONE} },
+       {4, {PCIE1, PCIE1, NONE, NONE} },
+       {5, {PCIE1, NONE, NONE, NONE} },
+       {6, {PCIE1, NONE, NONE, NONE} },
+       {}
+};
+
+int is_serdes_configured(enum srds_prtcl device)
+{
+       return (1 << device) & 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;
+       const struct serdes_config *ptr;
+       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;
+       }
+
+       ptr = &serdes1_cfg_tbl[srds_cfg];
+       if (!ptr->protocol)
+               return;
+
+       for (lane = 0; lane < SRDS1_MAX_LANES; lane++) {
+               enum srds_prtcl lane_prtcl = ptr->lanes[lane];
+               serdes1_prtcl_map |= (1 << lane_prtcl);
+       }
+}