Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / powerpc / cpu / mpc86xx / mpc8610_serdes.c

diff --git a/qemu/roms/u-boot/arch/powerpc/cpu/mpc86xx/mpc8610_serdes.c b/qemu/roms/u-boot/arch/powerpc/cpu/mpc86xx/mpc8610_serdes.c
new file mode 100644 (file)
index 0000000..2a7e3bf
--- /dev/null
+++ b/qemu/roms/u-boot/arch/powerpc/cpu/mpc86xx/mpc8610_serdes.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <asm/io.h>
+#include <asm/immap_86xx.h>
+#include <asm/fsl_serdes.h>
+
+#define SRDS1_MAX_LANES                4
+#define SRDS2_MAX_LANES                4
+
+static u32 serdes1_prtcl_map, serdes2_prtcl_map;
+
+static u8 serdes1_cfg_tbl[][SRDS1_MAX_LANES] = {
+       [0x1] = {PCIE1, PCIE1, PCIE1, PCIE1},
+       [0x4] = {PCIE1, PCIE1, PCIE1, PCIE1},
+       [0x7] = {NONE, NONE, NONE, NONE},
+};
+
+static u8 serdes2_cfg_tbl[][SRDS2_MAX_LANES] = {
+       [0x0] = {PCIE2, PCIE2, PCIE2, PCIE2},
+       [0x4] = {PCIE2, PCIE2, PCIE2, PCIE2},
+       [0x7] = {NONE, NONE, NONE, NONE},
+};
+
+int is_serdes_configured(enum srds_prtcl device)
+{
+       int ret = (1 << device) & serdes1_prtcl_map;
+
+       if (ret)
+               return ret;
+
+       return (1 << device) & serdes2_prtcl_map;
+}
+
+void fsl_serdes_init(void)
+{
+       immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
+       ccsr_gur_t *gur = &immap->im_gur;
+       u32 pordevsr = in_be32(&gur->pordevsr);
+       u32 srds_cfg = (pordevsr & MPC8610_PORDEVSR_IO_SEL) >>
+                               MPC8610_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);
+       }
+
+       if (srds_cfg >= ARRAY_SIZE(serdes2_cfg_tbl)) {
+               printf("Invalid PORDEVSR[IO_SEL_SRDS] = %d\n", srds_cfg);
+               return;
+       }
+
+       for (lane = 0; lane < SRDS2_MAX_LANES; lane++) {
+               enum srds_prtcl lane_prtcl = serdes2_cfg_tbl[srds_cfg][lane];
+               serdes2_prtcl_map |= (1 << lane_prtcl);
+       }
+}