]> git.sur5r.net Git - u-boot/blobdiff - drivers/net/fsl-mc/mc.c
rockchip: mkimage: remove (left-over) assignment w/o effect [coverity]
[u-boot] / drivers / net / fsl-mc / mc.c
index 46b8a6bc69912f4da1868fe6ca3f87d4fe9f8b78..9f69d75a89d0dbb40b5fa16deb92793909d0c73f 100644 (file)
@@ -8,6 +8,7 @@
 #include <linux/bug.h>
 #include <asm/io.h>
 #include <libfdt.h>
+#include <net.h>
 #include <fdt_support.h>
 #include <fsl-mc/fsl_mc.h>
 #include <fsl-mc/fsl_mc_sys.h>
@@ -153,52 +154,81 @@ int parse_mc_firmware_fit_image(u64 mc_fw_addr,
 }
 #endif
 
-/*
- * Calculates the values to be used to specify the address range
- * for the MC private DRAM block, in the MCFBALR/MCFBAHR registers.
- * It returns the highest 512MB-aligned address within the given
- * address range, in '*aligned_base_addr', and the number of 256 MiB
- * blocks in it, in 'num_256mb_blocks'.
- */
-static int calculate_mc_private_ram_params(u64 mc_private_ram_start_addr,
-                                          size_t mc_ram_size,
-                                          u64 *aligned_base_addr,
-                                          u8 *num_256mb_blocks)
+static int mc_fixup_dpc_mac_addr(void *blob, int noff, int dpmac_id,
+               struct eth_device *eth_dev)
 {
-       u64 addr;
-       u16 num_blocks;
+       int nodeoffset, err = 0;
+       char mac_name[10];
+       const char link_type_mode[] = "FIXED_LINK";
+       unsigned char env_enetaddr[6];
 
-       if (mc_ram_size % MC_RAM_SIZE_ALIGNMENT != 0) {
-               printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
-                      mc_ram_size);
-               return -EINVAL;
+       sprintf(mac_name, "mac@%d", dpmac_id);
+
+       /* node not found - create it */
+       nodeoffset = fdt_subnode_offset(blob, noff, (const char *) mac_name);
+       if (nodeoffset < 0) {
+               err = fdt_increase_size(blob, 200);
+               if (err) {
+                       printf("fdt_increase_size: err=%s\n",
+                               fdt_strerror(err));
+                       return err;
+               }
+
+               nodeoffset = fdt_add_subnode(blob, noff, mac_name);
+
+               /* add default property of fixed link */
+               err = fdt_appendprop_string(blob, nodeoffset,
+                                           "link_type", link_type_mode);
+               if (err) {
+                       printf("fdt_appendprop_string: err=%s\n",
+                               fdt_strerror(err));
+                       return err;
+               }
        }
 
-       num_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
-       if (num_blocks < 1 || num_blocks > 0xff) {
-               printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
-                      mc_ram_size);
-               return -EINVAL;
+       /* port_mac_address property present in DPC */
+       if (fdt_get_property(blob, nodeoffset, "port_mac_address", NULL)) {
+               /* MAC addr randomly assigned - leave the one in DPC */
+               eth_getenv_enetaddr_by_index("eth", eth_dev->index,
+                                               env_enetaddr);
+               if (is_zero_ethaddr(env_enetaddr))
+                       return err;
+
+               /* replace DPC MAC address with u-boot env one */
+               err = fdt_setprop(blob, nodeoffset, "port_mac_address",
+                                 eth_dev->enetaddr, 6);
+               if (err) {
+                       printf("fdt_setprop mac: err=%s\n", fdt_strerror(err));
+                       return err;
+               }
+
+               return 0;
        }
 
-       addr = (mc_private_ram_start_addr + mc_ram_size - 1) &
-               MC_RAM_BASE_ADDR_ALIGNMENT_MASK;
+       /* append port_mac_address property to mac node in DPC */
+       err = fdt_increase_size(blob, 80);
+       if (err) {
+               printf("fdt_increase_size: err=%s\n", fdt_strerror(err));
+               return err;
+       }
 
-       if (addr < mc_private_ram_start_addr) {
-               printf("fsl-mc: ERROR: bad start address %#llx\n",
-                      mc_private_ram_start_addr);
-               return -EFAULT;
+       err = fdt_appendprop(blob, nodeoffset,
+                            "port_mac_address", eth_dev->enetaddr, 6);
+       if (err) {
+               printf("fdt_appendprop: err=%s\n", fdt_strerror(err));
+               return err;
        }
 
-       *aligned_base_addr = addr;
-       *num_256mb_blocks = num_blocks;
-       return 0;
+       return err;
 }
 
 static int mc_fixup_dpc(u64 dpc_addr)
 {
        void *blob = (void *)dpc_addr;
-       int nodeoffset;
+       int nodeoffset, err = 0;
+       char ethname[10];
+       struct eth_device *eth_dev;
+       int i;
 
        /* delete any existing ICID pools */
        nodeoffset = fdt_path_offset(blob, "/resources/icid_pools");
@@ -220,9 +250,36 @@ static int mc_fixup_dpc(u64 dpc_addr)
                             FSL_DPAA2_STREAM_ID_END -
                             FSL_DPAA2_STREAM_ID_START + 1, 1);
 
+       /* fixup MAC addresses for dpmac ports */
+       nodeoffset = fdt_path_offset(blob, "/board_info/ports");
+       if (nodeoffset < 0)
+               goto out;
+
+       for (i = WRIOP1_DPMAC1; i < NUM_WRIOP_PORTS; i++) {
+               /* port not enabled */
+               if ((wriop_is_enabled_dpmac(i) != 1) ||
+                   (wriop_get_phy_address(i) == -1))
+                       continue;
+
+               sprintf(ethname, "DPMAC%d@%s", i,
+                       phy_interface_strings[wriop_get_enet_if(i)]);
+
+               eth_dev = eth_get_dev_by_name(ethname);
+               if (eth_dev == NULL)
+                       continue;
+
+               err = mc_fixup_dpc_mac_addr(blob, nodeoffset, i, eth_dev);
+               if (err) {
+                       printf("mc_fixup_dpc_mac_addr failed: err=%s\n",
+                       fdt_strerror(err));
+                       goto out;
+               }
+       }
+
+out:
        flush_dcache_range(dpc_addr, dpc_addr + fdt_totalsize(blob));
 
-       return 0;
+       return err;
 }
 
 static int load_mc_dpc(u64 mc_ram_addr, size_t mc_ram_size, u64 mc_dpc_addr)
@@ -451,17 +508,16 @@ int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
        size_t raw_image_size = 0;
 #endif
        struct mc_version mc_ver_info;
-       u64 mc_ram_aligned_base_addr;
        u8 mc_ram_num_256mb_blocks;
        size_t mc_ram_size = mc_get_dram_block_size();
 
-
-       error = calculate_mc_private_ram_params(mc_ram_addr,
-                                               mc_ram_size,
-                                               &mc_ram_aligned_base_addr,
-                                               &mc_ram_num_256mb_blocks);
-       if (error != 0)
+       mc_ram_num_256mb_blocks = mc_ram_size / MC_RAM_SIZE_ALIGNMENT;
+       if (mc_ram_num_256mb_blocks < 1 || mc_ram_num_256mb_blocks > 0xff) {
+               error = -EINVAL;
+               printf("fsl-mc: ERROR: invalid MC private RAM size (%lu)\n",
+                      mc_ram_size);
                goto out;
+       }
 
        /*
         * Management Complex cores should be held at reset out of POR.
@@ -503,11 +559,11 @@ int mc_init(u64 mc_fw_addr, u64 mc_dpc_addr)
        /*
         * Tell MC what is the address range of the DRAM block assigned to it:
         */
-       reg_mcfbalr = (u32)mc_ram_aligned_base_addr |
+       reg_mcfbalr = (u32)mc_ram_addr |
                      (mc_ram_num_256mb_blocks - 1);
        out_le32(&mc_ccsr_regs->reg_mcfbalr, reg_mcfbalr);
        out_le32(&mc_ccsr_regs->reg_mcfbahr,
-                (u32)(mc_ram_aligned_base_addr >> 32));
+                (u32)(mc_ram_addr >> 32));
        out_le32(&mc_ccsr_regs->reg_mcfapr, FSL_BYPASS_AMQ);
 
        /*
@@ -615,21 +671,7 @@ int get_dpl_apply_status(void)
  */
 u64 mc_get_dram_addr(void)
 {
-       u64 mc_ram_addr;
-
-       /*
-        * The MC private DRAM block was already carved at the end of DRAM
-        * by board_init_f() using CONFIG_SYS_MEM_TOP_HIDE:
-        */
-       if (gd->bd->bi_dram[1].start) {
-               mc_ram_addr =
-                       gd->bd->bi_dram[1].start + gd->bd->bi_dram[1].size;
-       } else {
-               mc_ram_addr =
-                       gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
-       }
-
-       return mc_ram_addr;
+       return gd->arch.resv_ram;
 }
 
 /**