]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - drivers/ddr/fsl/arm_ddr_gen3.c
Merge branch 'master' of git://git.denx.de/u-boot-fsl-qoriq
[karo-tx-uboot.git] / drivers / ddr / fsl / arm_ddr_gen3.c
index bf113908fd40d50be213d0c86beeaf8e0003c0c4..c139da6da94de92e6df54b0dbf71c0730ea9432c 100644 (file)
@@ -11,6 +11,7 @@
 #include <fsl_ddr_sdram.h>
 #include <asm/processor.h>
 #include <fsl_immap.h>
+#include <fsl_ddr.h>
 
 #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4)
 #error Invalid setting for CONFIG_CHIP_SELECTS_PER_CTRL
@@ -63,54 +64,50 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
                goto step2;
 
        if (regs->ddr_eor)
-               out_be32(&ddr->eor, regs->ddr_eor);
+               ddr_out32(&ddr->eor, regs->ddr_eor);
        for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
                if (i == 0) {
-                       out_be32(&ddr->cs0_bnds, regs->cs[i].bnds);
-                       out_be32(&ddr->cs0_config, regs->cs[i].config);
-                       out_be32(&ddr->cs0_config_2, regs->cs[i].config_2);
+                       ddr_out32(&ddr->cs0_bnds, regs->cs[i].bnds);
+                       ddr_out32(&ddr->cs0_config, regs->cs[i].config);
+                       ddr_out32(&ddr->cs0_config_2, regs->cs[i].config_2);
 
                } else if (i == 1) {
-                       out_be32(&ddr->cs1_bnds, regs->cs[i].bnds);
-                       out_be32(&ddr->cs1_config, regs->cs[i].config);
-                       out_be32(&ddr->cs1_config_2, regs->cs[i].config_2);
+                       ddr_out32(&ddr->cs1_bnds, regs->cs[i].bnds);
+                       ddr_out32(&ddr->cs1_config, regs->cs[i].config);
+                       ddr_out32(&ddr->cs1_config_2, regs->cs[i].config_2);
 
                } else if (i == 2) {
-                       out_be32(&ddr->cs2_bnds, regs->cs[i].bnds);
-                       out_be32(&ddr->cs2_config, regs->cs[i].config);
-                       out_be32(&ddr->cs2_config_2, regs->cs[i].config_2);
+                       ddr_out32(&ddr->cs2_bnds, regs->cs[i].bnds);
+                       ddr_out32(&ddr->cs2_config, regs->cs[i].config);
+                       ddr_out32(&ddr->cs2_config_2, regs->cs[i].config_2);
 
                } else if (i == 3) {
-                       out_be32(&ddr->cs3_bnds, regs->cs[i].bnds);
-                       out_be32(&ddr->cs3_config, regs->cs[i].config);
-                       out_be32(&ddr->cs3_config_2, regs->cs[i].config_2);
+                       ddr_out32(&ddr->cs3_bnds, regs->cs[i].bnds);
+                       ddr_out32(&ddr->cs3_config, regs->cs[i].config);
+                       ddr_out32(&ddr->cs3_config_2, regs->cs[i].config_2);
                }
        }
 
-       out_be32(&ddr->timing_cfg_3, regs->timing_cfg_3);
-       out_be32(&ddr->timing_cfg_0, regs->timing_cfg_0);
-       out_be32(&ddr->timing_cfg_1, regs->timing_cfg_1);
-       out_be32(&ddr->timing_cfg_2, regs->timing_cfg_2);
-       out_be32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
-       out_be32(&ddr->sdram_mode, regs->ddr_sdram_mode);
-       out_be32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
-       out_be32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3);
-       out_be32(&ddr->sdram_mode_4, regs->ddr_sdram_mode_4);
-       out_be32(&ddr->sdram_mode_5, regs->ddr_sdram_mode_5);
-       out_be32(&ddr->sdram_mode_6, regs->ddr_sdram_mode_6);
-       out_be32(&ddr->sdram_mode_7, regs->ddr_sdram_mode_7);
-       out_be32(&ddr->sdram_mode_8, regs->ddr_sdram_mode_8);
-       out_be32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl);
-       out_be32(&ddr->sdram_interval, regs->ddr_sdram_interval);
-       out_be32(&ddr->sdram_data_init, regs->ddr_data_init);
-       out_be32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl);
-       out_be32(&ddr->init_addr, regs->ddr_init_addr);
-       out_be32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
-
-       out_be32(&ddr->timing_cfg_4, regs->timing_cfg_4);
-       out_be32(&ddr->timing_cfg_5, regs->timing_cfg_5);
-       out_be32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl);
-       out_be32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl);
+       ddr_out32(&ddr->timing_cfg_3, regs->timing_cfg_3);
+       ddr_out32(&ddr->timing_cfg_0, regs->timing_cfg_0);
+       ddr_out32(&ddr->timing_cfg_1, regs->timing_cfg_1);
+       ddr_out32(&ddr->timing_cfg_2, regs->timing_cfg_2);
+       ddr_out32(&ddr->sdram_mode, regs->ddr_sdram_mode);
+       ddr_out32(&ddr->sdram_mode_2, regs->ddr_sdram_mode_2);
+       ddr_out32(&ddr->sdram_mode_3, regs->ddr_sdram_mode_3);
+       ddr_out32(&ddr->sdram_mode_4, regs->ddr_sdram_mode_4);
+       ddr_out32(&ddr->sdram_mode_5, regs->ddr_sdram_mode_5);
+       ddr_out32(&ddr->sdram_mode_6, regs->ddr_sdram_mode_6);
+       ddr_out32(&ddr->sdram_mode_7, regs->ddr_sdram_mode_7);
+       ddr_out32(&ddr->sdram_mode_8, regs->ddr_sdram_mode_8);
+       ddr_out32(&ddr->sdram_md_cntl, regs->ddr_sdram_md_cntl);
+       ddr_out32(&ddr->sdram_interval, regs->ddr_sdram_interval);
+       ddr_out32(&ddr->sdram_data_init, regs->ddr_data_init);
+       ddr_out32(&ddr->sdram_clk_cntl, regs->ddr_sdram_clk_cntl);
+       ddr_out32(&ddr->timing_cfg_4, regs->timing_cfg_4);
+       ddr_out32(&ddr->timing_cfg_5, regs->timing_cfg_5);
+       ddr_out32(&ddr->ddr_zq_cntl, regs->ddr_zq_cntl);
+       ddr_out32(&ddr->ddr_wrlvl_cntl, regs->ddr_wrlvl_cntl);
 #ifndef CONFIG_SYS_FSL_DDR_EMU
        /*
         * Skip these two registers if running on emulator
@@ -118,23 +115,40 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
         */
 
        if (regs->ddr_wrlvl_cntl_2)
-               out_be32(&ddr->ddr_wrlvl_cntl_2, regs->ddr_wrlvl_cntl_2);
+               ddr_out32(&ddr->ddr_wrlvl_cntl_2, regs->ddr_wrlvl_cntl_2);
        if (regs->ddr_wrlvl_cntl_3)
-               out_be32(&ddr->ddr_wrlvl_cntl_3, regs->ddr_wrlvl_cntl_3);
+               ddr_out32(&ddr->ddr_wrlvl_cntl_3, regs->ddr_wrlvl_cntl_3);
 #endif
 
-       out_be32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr);
-       out_be32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1);
-       out_be32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2);
-       out_be32(&ddr->ddr_cdr1, regs->ddr_cdr1);
-       out_be32(&ddr->ddr_cdr2, regs->ddr_cdr2);
-       out_be32(&ddr->err_disable, regs->err_disable);
-       out_be32(&ddr->err_int_en, regs->err_int_en);
+       ddr_out32(&ddr->ddr_sr_cntr, regs->ddr_sr_cntr);
+       ddr_out32(&ddr->ddr_sdram_rcw_1, regs->ddr_sdram_rcw_1);
+       ddr_out32(&ddr->ddr_sdram_rcw_2, regs->ddr_sdram_rcw_2);
+       ddr_out32(&ddr->ddr_cdr1, regs->ddr_cdr1);
+#ifdef CONFIG_DEEP_SLEEP
+       if (is_warm_boot()) {
+               ddr_out32(&ddr->sdram_cfg_2,
+                         regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT);
+               ddr_out32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
+               ddr_out32(&ddr->init_ext_addr, DDR_INIT_ADDR_EXT_UIA);
+
+               /* DRAM VRef will not be trained */
+               ddr_out32(&ddr->ddr_cdr2,
+                         regs->ddr_cdr2 & ~DDR_CDR2_VREF_TRAIN_EN);
+       } else
+#endif
+       {
+               ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2);
+               ddr_out32(&ddr->init_addr, regs->ddr_init_addr);
+               ddr_out32(&ddr->init_ext_addr, regs->ddr_init_ext_addr);
+               ddr_out32(&ddr->ddr_cdr2, regs->ddr_cdr2);
+       }
+       ddr_out32(&ddr->err_disable, regs->err_disable);
+       ddr_out32(&ddr->err_int_en, regs->err_int_en);
        for (i = 0; i < 32; i++) {
                if (regs->debug[i]) {
                        debug("Write to debug_%d as %08x\n", i + 1,
                              regs->debug[i]);
-                       out_be32(&ddr->debug[i], regs->debug[i]);
+                       ddr_out32(&ddr->debug[i], regs->debug[i]);
                }
        }
 
@@ -155,7 +169,7 @@ step2:
        /* Set, but do not enable the memory */
        temp_sdram_cfg = regs->ddr_sdram_cfg;
        temp_sdram_cfg &= ~(SDRAM_CFG_MEM_EN);
-       out_be32(&ddr->sdram_cfg, temp_sdram_cfg);
+       ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg);
 
        /*
         * 500 painful micro-seconds must elapse between
@@ -166,9 +180,21 @@ step2:
        udelay(500);
        asm volatile("dsb sy;isb");
 
+#ifdef CONFIG_DEEP_SLEEP
+       if (is_warm_boot()) {
+               /* enter self-refresh */
+               temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
+               temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
+               ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+               /* do board specific memory setup */
+               board_mem_sleep_setup();
+
+               temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI);
+       } else
+#endif
+               temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
        /* Let the controller go */
-       temp_sdram_cfg = in_be32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI;
-       out_be32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
+       ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN);
        asm volatile("dsb sy;isb");
 
        total_gb_size_per_controller = 0;
@@ -193,7 +219,7 @@ step2:
         * For example, 2GB on 666MT/s 64-bit bus takes about 402ms
         * Let's wait for 800ms
         */
-       bus_width = 3 - ((ddr->sdram_cfg & SDRAM_CFG_DBW_MASK)
+       bus_width = 3 - ((ddr_in32(&ddr->sdram_cfg) & SDRAM_CFG_DBW_MASK)
                        >> SDRAM_CFG_DBW_SHIFT);
        timeout = ((total_gb_size_per_controller << (6 - bus_width)) * 100 /
                (get_ddr_freq(0) >> 20)) << 1;
@@ -202,7 +228,7 @@ step2:
        debug("Need to wait up to %d * 10ms\n", timeout);
 
        /* Poll DDR_SDRAM_CFG_2[D_INIT] bit until auto-data init is done.  */
-       while ((in_be32(&ddr->sdram_cfg_2) & SDRAM_CFG2_D_INIT) &&
+       while ((ddr_in32(&ddr->sdram_cfg_2) & SDRAM_CFG2_D_INIT) &&
                (timeout >= 0)) {
                udelay(10000);          /* throttle polling rate */
                timeout--;
@@ -210,4 +236,12 @@ step2:
 
        if (timeout <= 0)
                printf("Waiting for D_INIT timeout. Memory may not work.\n");
+#ifdef CONFIG_DEEP_SLEEP
+       if (is_warm_boot()) {
+               /* exit self-refresh */
+               temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2);
+               temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
+               ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg);
+       }
+#endif
 }