]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/corscience/tricorder/tricorder.c
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
[karo-tx-uboot.git] / board / corscience / tricorder / tricorder.c
index b8129168b9fa7641203a757105f979e5bed96745..0fddf4551e7c64329bae1a45f38a9eb0f8c0e31e 100644 (file)
@@ -79,6 +79,8 @@ static void get_eeprom(struct tricorder_eeprom *eeprom)
                } else {
                        panic("Could not get board revision\n");
                }
+       } else {
+               memset(eeprom, 0, TRICORDER_EEPROM_SIZE);
        }
 }
 
@@ -118,9 +120,9 @@ int misc_init_r(void)
        print_hwversion(&eeprom);
 
        twl4030_power_init();
-#ifdef CONFIG_TWL4030_LED
-       twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
-#endif
+       status_led_set(0, STATUS_LED_ON);
+       status_led_set(1, STATUS_LED_ON);
+       status_led_set(2, STATUS_LED_ON);
 
        dieid_num_r();
 
@@ -145,6 +147,13 @@ int board_mmc_init(bd_t *bis)
 }
 #endif
 
+#if defined(CONFIG_GENERIC_MMC)
+void board_mmc_power_init(void)
+{
+       twl4030_power_mmc_init(0);
+}
+#endif
+
 /*
  * Routine: get_board_mem_timings
  * Description: If we use SPL then there is no x-loader nor config header
@@ -154,12 +163,43 @@ int board_mmc_init(bd_t *bis)
  */
 void get_board_mem_timings(struct board_sdrc_timings *timings)
 {
-       /* General SDRC config */
-       timings->mcfg = MICRON_V_MCFG_165(128 << 20);
-       timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+       struct tricorder_eeprom eeprom;
+       get_eeprom(&eeprom);
 
-       /* AC timings */
-       timings->ctrla = MICRON_V_ACTIMA_165;
-       timings->ctrlb = MICRON_V_ACTIMB_165;
-       timings->mr = MICRON_V_MR_165;
+       /* General SDRC config */
+       if (eeprom.board_version[0] > 'D') {
+               /* use optimized timings for our SDRAM device */
+               timings->mcfg = MCFG((256 << 20), 14);
+#define MT46H64M32_TDAL  6     /* Twr/Tck + Trp/tck            */
+                               /* 15/6 + 18/6 = 5.5 -> 6       */
+#define MT46H64M32_TDPL  3     /* 15/6 = 2.5 -> 3 (Twr)        */
+#define MT46H64M32_TRRD  2     /* 12/6 = 2                     */
+#define MT46H64M32_TRCD  3     /* 18/6 = 3                     */
+#define MT46H64M32_TRP   3     /* 18/6 = 3                     */
+#define MT46H64M32_TRAS  7     /* 42/6 = 7                     */
+#define MT46H64M32_TRC  10     /* 60/6 = 10                    */
+#define MT46H64M32_TRFC 12     /* 72/6 = 12                    */
+               timings->ctrla = ACTIM_CTRLA(MT46H64M32_TRFC, MT46H64M32_TRC,
+                                            MT46H64M32_TRAS, MT46H64M32_TRP,
+                                            MT46H64M32_TRCD, MT46H64M32_TRRD,
+                                            MT46H64M32_TDPL,
+                                            MT46H64M32_TDAL);
+
+#define MT46H64M32_TWTR 1
+#define MT46H64M32_TCKE 1
+#define MT46H64M32_XSR 19      /* 112.5/6 = 18.75 => ~19       */
+#define MT46H64M32_TXP 1
+               timings->ctrlb = ACTIM_CTRLB(MT46H64M32_TWTR, MT46H64M32_TCKE,
+                                            MT46H64M32_TXP, MT46H64M32_XSR);
+
+               timings->mr = MICRON_V_MR_165;
+               timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+       } else {
+               /* use conservative beagleboard timings as default */
+               timings->mcfg = MICRON_V_MCFG_165(128 << 20);
+               timings->ctrla = MICRON_V_ACTIMA_165;
+               timings->ctrlb = MICRON_V_ACTIMB_165;
+               timings->mr = MICRON_V_MR_165;
+               timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+       }
 }