e1000: Allow direct access to the E1000 SPI EEPROM device

[karo-tx-uboot.git] / drivers / net / e1000.c

diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 7a6ecab4524f4acbd5382aae0a4e508226a810a7..c86bf0a0e798e26565b8314f16927800c15e9b07 100644 (file)
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -5155,6 +5155,9 @@ void e1000_get_bus_type(struct e1000_hw *hw)
        }
 }
 
+/* A list of all registered e1000 devices */
+static LIST_HEAD(e1000_hw_list);
+
 /**************************************************************************
 PROBE - Look for an adapter, this routine's visible to the outside
 You should omit the last argument struct pci_device * for a non-PCI NIC
@@ -5234,8 +5237,9 @@ e1000_initialize(bd_t * bis)
                if (e1000_check_phy_reset_block(hw))
                        E1000_ERR(nic, "PHY Reset is blocked!\n");
 
-               /* Basic init was OK, reset the hardware */
+               /* Basic init was OK, reset the hardware and allow SPI access */
                e1000_reset_hw(hw);
+               list_add_tail(&hw->list_node, &e1000_hw_list);
 
                /* Validate the EEPROM and get chipset information */
 #if !(defined(CONFIG_AP1000) || defined(CONFIG_MVBC_1G))
@@ -5263,3 +5267,63 @@ e1000_initialize(bd_t * bis)
 
        return i;
 }
+
+struct e1000_hw *e1000_find_card(unsigned int cardnum)
+{
+       struct e1000_hw *hw;
+
+       list_for_each_entry(hw, &e1000_hw_list, list_node)
+               if (hw->cardnum == cardnum)
+                       return hw;
+
+       return NULL;
+}
+
+#ifdef CONFIG_CMD_E1000
+static int do_e1000(cmd_tbl_t *cmdtp, int flag,
+               int argc, char * const argv[])
+{
+       struct e1000_hw *hw;
+
+       if (argc < 3) {
+               cmd_usage(cmdtp);
+               return 1;
+       }
+
+       /* Make sure we can find the requested e1000 card */
+       hw = e1000_find_card(simple_strtoul(argv[1], NULL, 10));
+       if (!hw) {
+               printf("e1000: ERROR: No such device: e1000#%s\n", argv[1]);
+               return 1;
+       }
+
+       if (!strcmp(argv[2], "print-mac-address")) {
+               unsigned char *mac = hw->nic->enetaddr;
+               printf("%02x:%02x:%02x:%02x:%02x:%02x\n",
+                       mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+               return 0;
+       }
+
+#ifdef CONFIG_E1000_SPI
+       /* Handle the "SPI" subcommand */
+       if (!strcmp(argv[2], "spi"))
+               return do_e1000_spi(cmdtp, hw, argc - 3, argv + 3);
+#endif
+
+       cmd_usage(cmdtp);
+       return 1;
+}
+
+U_BOOT_CMD(
+       e1000, 7, 0, do_e1000,
+       "Intel e1000 controller management",
+       /*  */"<card#> print-mac-address\n"
+#ifdef CONFIG_E1000_SPI
+       "e1000 <card#> spi show [<offset> [<length>]]\n"
+       "e1000 <card#> spi dump <addr> <offset> <length>\n"
+       "e1000 <card#> spi program <addr> <offset> <length>\n"
+       "e1000 <card#> spi checksum [update]\n"
+#endif
+       "       - Manage the Intel E1000 PCI device"
+);
+#endif /* not CONFIG_CMD_E1000 */