net: altera_tse: get numbers of fdt address and size cells

Get numbers of fdt address and size cells in altera_tse_probe(),
thereby remove the assumption of one address cell and one size
cell.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/drivers/net/altera_tse.c b/drivers/net/altera_tse.c
index 394503fd34ff5ce908fdef101d6ed7d614689bc0..b2002f4d244674665e5d1804a2edcc033b61cb85 100644 (file)
--- a/drivers/net/altera_tse.c
+++ b/drivers/net/altera_tse.c
@@ -409,20 +409,22 @@ static int altera_tse_probe(struct udevice *dev)
 {
        struct eth_pdata *pdata = dev_get_platdata(dev);
        struct altera_tse_priv *priv = dev_get_priv(dev);
-       const void *blob = gd->fdt_blob;
+       void *blob = (void *)gd->fdt_blob;
        int node = dev->of_offset;
        const char *list, *end;
        const fdt32_t *cell;
        void *base, *desc_mem = NULL;
        unsigned long addr, size;
+       int parent, addrc, sizec;
        int len, idx;
        int ret;
 
        /*
-        * decode regs, assume address-cells and size-cells are both one.
-        * there are multiple reg tuples, and they need to match with
-        * reg-names.
+        * decode regs. there are multiple reg tuples, and they need to
+        * match with reg-names.
         */
+       parent = fdt_parent_offset(blob, node);
+       of_bus_default_count_cells(blob, parent, &addrc, &sizec);
        list = fdt_getprop(blob, node, "reg-names", &len);
        if (!list)
                return -ENOENT;
@@ -434,7 +436,7 @@ static int altera_tse_probe(struct udevice *dev)
        while (list < end) {
                addr = fdt_translate_address((void *)blob,
                                             node, cell + idx);
-               size = fdt_addr_to_cpu(cell[idx + 1]);
+               size = fdt_addr_to_cpu(cell[idx + addrc]);
                base = ioremap(addr, size);
                len = strlen(list);
                if (strcmp(list, "control_port") == 0)
@@ -445,7 +447,7 @@ static int altera_tse_probe(struct udevice *dev)
                        priv->sgdma_tx = base;
                else if (strcmp(list, "s1") == 0)
                        desc_mem = base;
-               idx += 2;
+               idx += addrc + sizec;
                list += (len + 1);
        }
        /* decode fifo depth */