Merge branch 'master' of git://git.denx.de/u-boot-samsung
[platform/kernel/u-boot.git] / board / freescale / ls2080ardb / ddr.c
index a04d21b..01f7d82 100644 (file)
@@ -8,6 +8,7 @@
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
 #include <asm/arch/soc.h>
+#include <asm/arch/clock.h>
 #include "ddr.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -134,6 +135,9 @@ found:
        /* Enable ZQ calibration */
        popts->zq_en = 1;
 
+       /* optimize cpo for erratum A-009942 */
+       popts->cpo_sample = 0x6e;
+
        if (ddr_freq < 2350) {
                if (pdimm[0].n_ranks == 2 && pdimm[1].n_ranks == 2) {
                        /* four chip-selects */
@@ -155,71 +159,15 @@ found:
        }
 }
 
-phys_size_t initdram(int board_type)
+int fsl_initdram(void)
 {
-       phys_size_t dram_size;
-
 #if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
-       return fsl_ddr_sdram_size();
+       gd->ram_size = fsl_ddr_sdram_size();
 #else
        puts("Initializing DDR....using SPD\n");
 
-       dram_size = fsl_ddr_sdram();
-#endif
-
-       return dram_size;
-}
-
-void dram_init_banksize(void)
-{
-#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
-       phys_size_t dp_ddr_size;
-#endif
-
-       /*
-        * gd->secure_ram tracks the location of secure memory.
-        * It was set as if the memory starts from 0.
-        * The address needs to add the offset of its bank.
-        */
-       gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
-       if (gd->ram_size > CONFIG_SYS_LS2_DDR_BLOCK1_SIZE) {
-               gd->bd->bi_dram[0].size = CONFIG_SYS_LS2_DDR_BLOCK1_SIZE;
-               gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
-               gd->bd->bi_dram[1].size = gd->ram_size -
-                                         CONFIG_SYS_LS2_DDR_BLOCK1_SIZE;
-#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
-               gd->secure_ram = gd->bd->bi_dram[1].start +
-                                gd->secure_ram -
-                                CONFIG_SYS_LS2_DDR_BLOCK1_SIZE;
-               gd->secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
-#endif
-       } else {
-               gd->bd->bi_dram[0].size = gd->ram_size;
-#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
-               gd->secure_ram = gd->bd->bi_dram[0].start + gd->secure_ram;
-               gd->secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+       gd->ram_size = fsl_ddr_sdram();
 #endif
-       }
 
-#ifdef CONFIG_SYS_DP_DDR_BASE_PHY
-       if (soc_has_dp_ddr()) {
-               /* initialize DP-DDR here */
-               puts("DP-DDR:  ");
-               /*
-                * DDR controller use 0 as the base address for binding.
-                * It is mapped to CONFIG_SYS_DP_DDR_BASE for core to access.
-                */
-               dp_ddr_size = fsl_other_ddr_sdram(CONFIG_SYS_DP_DDR_BASE_PHY,
-                                         CONFIG_DP_DDR_CTRL,
-                                         CONFIG_DP_DDR_NUM_CTRLS,
-                                         CONFIG_DP_DDR_DIMM_SLOTS_PER_CTLR,
-                                         NULL, NULL, NULL);
-               if (dp_ddr_size) {
-                       gd->bd->bi_dram[2].start = CONFIG_SYS_DP_DDR_BASE;
-                       gd->bd->bi_dram[2].size = dp_ddr_size;
-               } else {
-                       puts("Not detected");
-               }
-       }
-#endif
+       return 0;
 }