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| author | Michal Simek <michal.simek@xilinx.com> | 2014-02-24 11:16:30 +0100 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-03-04 09:27:35 -0500 |
| commit | f88a6869a10a5a7aea4c4fda52db854a693796b0 (patch) | |
| tree | 7b57de3dad6d02376fa427ceb69fe8eb93d9f6a4 /drivers/net/zynq_gem.c | |
| parent | 7450a7f7309eb06c5fb5ee7e20c864d266d79866 (diff) | |
| download | talos-obmc-uboot-f88a6869a10a5a7aea4c4fda52db854a693796b0.tar.gz talos-obmc-uboot-f88a6869a10a5a7aea4c4fda52db854a693796b0.zip | |
net: gem: Add OF initialization support
Gem can be directly initialized from DTB.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'drivers/net/zynq_gem.c')
| -rw-r--r-- | drivers/net/zynq_gem.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 6d4001b017..101489c994 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -12,6 +12,8 @@ #include <common.h> #include <net.h> #include <config.h> +#include <fdtdec.h> +#include <libfdt.h> #include <malloc.h> #include <asm/io.h> #include <phy.h> @@ -534,3 +536,43 @@ int zynq_gem_initialize(bd_t *bis, int base_addr, int phy_addr, u32 emio) return 1; } + +#ifdef CONFIG_OF_CONTROL +int zynq_gem_of_init(const void *blob) +{ + int offset = 0; + u32 ret = 0; + u32 reg, phy_reg; + + debug("ZYNQ GEM: Initialization\n"); + + do { + offset = fdt_node_offset_by_compatible(blob, offset, + "xlnx,ps7-ethernet-1.00.a"); + if (offset != -1) { + reg = fdtdec_get_addr(blob, offset, "reg"); + if (reg != FDT_ADDR_T_NONE) { + offset = fdtdec_lookup_phandle(blob, offset, + "phy-handle"); + if (offset != -1) + phy_reg = fdtdec_get_addr(blob, offset, + "reg"); + else + phy_reg = 0; + + debug("ZYNQ GEM: addr %x, phyaddr %x\n", + reg, phy_reg); + + ret |= zynq_gem_initialize(NULL, reg, + phy_reg, 0); + + } else { + debug("ZYNQ GEM: Can't get base address\n"); + return -1; + } + } + } while (offset != -1); + + return ret; +} +#endif |
