Commit f88a6869 authored by Michal Simek's avatar Michal Simek Committed by Tom Rini

net: gem: Add OF initialization support

Gem can be directly initialized from DTB.
Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
parent 7450a7f7
......@@ -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
......@@ -91,6 +91,7 @@ int xilinx_emaclite_initialize(bd_t *bis, unsigned long base_addr,
int txpp, int rxpp);
int xilinx_ll_temac_eth_init(bd_t *bis, unsigned long base_addr, int flags,
unsigned long ctrl_addr);
int zynq_gem_of_init(const void *blob);
int zynq_gem_initialize(bd_t *bis, int base_addr, int phy_addr, u32 emio);
/*
* As long as the Xilinx xps_ll_temac ethernet driver has not its own interface
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment