Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq

[oweals/u-boot.git] / board / freescale / ls2080aqds / eth.c

diff --git a/board/freescale/ls2080aqds/eth.c b/board/freescale/ls2080aqds/eth.c
index 81b5b9eaf7d25cbfb93c85bf5d24ca0ea9b31b78..9171cb2b6c80a973388cb9ca2b2c102ead390843 100644 (file)
--- a/board/freescale/ls2080aqds/eth.c
+++ b/board/freescale/ls2080aqds/eth.c
@@ -26,6 +26,8 @@
 
 #define MC_BOOT_ENV_VAR "mcinitcmd"
 
+#ifndef CONFIG_DM_ETH
+
 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
  /* - In LS2080A there are only 16 SERDES lanes, spread across 2 SERDES banks.
  *   Bank 1 -> Lanes A, B, C, D, E, F, G, H
@@ -891,10 +893,11 @@ void ls2080a_handle_phy_interface_xsgmii(int i)
        }
 }
 #endif
+#endif // !CONFIG_DM_ETH
 
 int board_eth_init(bd_t *bis)
 {
-       int error;
+#ifndef CONFIG_DM_ETH
 #if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
        struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
        int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
@@ -908,6 +911,7 @@ int board_eth_init(bd_t *bis)
        struct memac_mdio_info *memac_mdio1_info;
        unsigned int i;
        char *env_hwconfig;
+       int error;
 
        env_hwconfig = env_get("hwconfig");
 
@@ -972,8 +976,13 @@ int board_eth_init(bd_t *bis)
                        sgmii_configure_repeater(2);
        }
 #endif
-       error = pci_eth_init(bis);
-       return error;
+#endif // !CONFIG_DM_ETH
+
+#ifdef CONFIG_DM_ETH
+       return 0;
+#else
+       return pci_eth_init(bis);
+#endif
 }
 
 #if defined(CONFIG_RESET_PHY_R)
@@ -982,3 +991,100 @@ void reset_phy(void)
        mc_env_boot();
 }
 #endif /* CONFIG_RESET_PHY_R */
+
+#if defined(CONFIG_DM_ETH) && defined(CONFIG_MULTI_DTB_FIT)
+
+/* Structure to hold SERDES protocols supported in case of
+ * CONFIG_DM_ETH enabled (network interfaces are described in the DTS).
+ *
+ * @serdes_block: the index of the SERDES block
+ * @serdes_protocol: the decimal value of the protocol supported
+ * @dts_needed: DTS notes describing the current configuration are needed
+ *
+ * When dts_needed is true, the board_fit_config_name_match() function
+ * will try to exactly match the current configuration of the block with a DTS
+ * name provided.
+ */
+static struct serdes_configuration {
+       u8 serdes_block;
+       u32 serdes_protocol;
+       bool dts_needed;
+} supported_protocols[] = {
+       /* Serdes block #1 */
+       {1, 42, true},
+
+       /* Serdes block #2 */
+       {2, 65, false},
+};
+
+#define SUPPORTED_SERDES_PROTOCOLS ARRAY_SIZE(supported_protocols)
+
+static bool protocol_supported(u8 serdes_block, u32 protocol)
+{
+       struct serdes_configuration serdes_conf;
+       int i;
+
+       for (i = 0; i < SUPPORTED_SERDES_PROTOCOLS; i++) {
+               serdes_conf = supported_protocols[i];
+               if (serdes_conf.serdes_block == serdes_block &&
+                   serdes_conf.serdes_protocol == protocol)
+                       return true;
+       }
+
+       return false;
+}
+
+static void get_str_protocol(u8 serdes_block, u32 protocol, char *str)
+{
+       struct serdes_configuration serdes_conf;
+       int i;
+
+       for (i = 0; i < SUPPORTED_SERDES_PROTOCOLS; i++) {
+               serdes_conf = supported_protocols[i];
+               if (serdes_conf.serdes_block == serdes_block &&
+                   serdes_conf.serdes_protocol == protocol) {
+                       if (serdes_conf.dts_needed == true)
+                               sprintf(str, "%u", protocol);
+                       else
+                               sprintf(str, "x");
+                       return;
+               }
+       }
+}
+
+int board_fit_config_name_match(const char *name)
+{
+       struct ccsr_gur *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+       u32 rcw_status = in_le32(&gur->rcwsr[28]);
+       char srds_s1_str[2], srds_s2_str[2];
+       u32 srds_s1, srds_s2;
+       char expected_dts[100];
+
+       srds_s1 = rcw_status & FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_MASK;
+       srds_s1 >>= FSL_CHASSIS3_RCWSR28_SRDS1_PRTCL_SHIFT;
+
+       srds_s2 = rcw_status & FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_MASK;
+       srds_s2 >>= FSL_CHASSIS3_RCWSR28_SRDS2_PRTCL_SHIFT;
+
+       /* Check for supported protocols. The default DTS will be used
+        * in this case
+        */
+       if (!protocol_supported(1, srds_s1) ||
+           !protocol_supported(2, srds_s2))
+               return -1;
+
+       get_str_protocol(1, srds_s1, srds_s1_str);
+       get_str_protocol(2, srds_s2, srds_s2_str);
+
+       printf("expected_dts %s\n", expected_dts);
+       sprintf(expected_dts, "fsl-ls2080a-qds-%s-%s",
+               srds_s1_str, srds_s2_str);
+
+       if (!strcmp(name, expected_dts))
+               return 0;
+
+       printf("this is not!\n");
+       return -1;
+}
+
+#endif