net: macb: Remove Microchip compatible string

Remove the microchip compatible string and default compatible "cdns,macb"
support both 32-bit and 64-bit DMA access.

Signed-off-by: Padmarao Begari <padmarao.begari@microchip.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 8c6461e..37eed59 100644 (file)
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -1348,7 +1348,7 @@ static const struct macb_usrio_cfg macb_default_usrio = {
        .clken = MACB_BIT(CLKEN),
 };
 
-static const struct macb_config default_gem_config = {
+static struct macb_config default_gem_config = {
        .dma_burst_length = 16,
        .hw_dma_cap = HW_DMA_CAP_32B,
        .clk_init = NULL,
@@ -1383,8 +1383,13 @@ static int macb_eth_probe(struct udevice *dev)
        macb->is_big_endian = (cpu_to_be32(0x12345678) == 0x12345678);
 
        macb->config = (struct macb_config *)dev_get_driver_data(dev);
-       if (!macb->config)
+       if (!macb->config) {
+               if (IS_ENABLED(CONFIG_DMA_ADDR_T_64BIT)) {
+                       if (GEM_BFEXT(DAW64, gem_readl(macb, DCFG6)))
+                               default_gem_config.hw_dma_cap = HW_DMA_CAP_64B;
+               }
                macb->config = &default_gem_config;
+       }
 
 #ifdef CONFIG_CLK
        ret = macb_enable_clk(dev);
@@ -1453,13 +1458,6 @@ static const struct macb_usrio_cfg sama7g5_usrio = {
        .clken = BIT(2),
 };
 
-static const struct macb_config microchip_config = {
-       .dma_burst_length = 16,
-       .hw_dma_cap = HW_DMA_CAP_64B,
-       .clk_init = NULL,
-       .usrio = &macb_default_usrio,
-};
-
 static const struct macb_config sama5d4_config = {
        .dma_burst_length = 4,
        .hw_dma_cap = HW_DMA_CAP_32B,
@@ -1502,8 +1500,6 @@ static const struct udevice_id macb_eth_ids[] = {
        { .compatible = "cdns,zynq-gem" },
        { .compatible = "sifive,fu540-c000-gem",
          .data = (ulong)&sifive_config },
-       { .compatible = "microchip,mpfs-mss-gem",
-         .data = (ulong)&microchip_config },
        { }
 };