]> git.karo-electronics.de Git - karo-tx-uboot.git/blobdiff - board/olimex/mx23_olinuxino/mx23_olinuxino.c
Merge branch 'u-boot-socfpga/topic/arm/socfpga-20141010' into 'u-boot-arm/master'
[karo-tx-uboot.git] / board / olimex / mx23_olinuxino / mx23_olinuxino.c
index e2a03a110b6d69c2bf0016f39ec59d6d1aae325f..313ab20e26ea734e5e2fa76c7c0aae9af1faa21d 100644 (file)
@@ -30,13 +30,25 @@ int board_early_init_f(void)
        /* SSP0 clock at 96MHz */
        mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
 
+       return 0;
+}
+
 #ifdef CONFIG_CMD_USB
-       /* Enable LAN9512 */
+int board_ehci_hcd_init(int port)
+{
+       /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */
        gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1);
-#endif
+       udelay(100);
+       return 0;
+}
 
+int board_ehci_hcd_exit(int port)
+{
+       /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */
+       gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 0);
        return 0;
 }
+#endif
 
 int dram_init(void)
 {
@@ -66,3 +78,33 @@ int board_init(void)
 
        return 0;
 }
+
+/* Fine-tune the DRAM configuration. */
+void mxs_adjust_memory_params(uint32_t *dram_vals)
+{
+       /* Enable Auto Precharge. */
+       dram_vals[3] |= 1 << 8;
+       /* Enable Fast Writes. */
+       dram_vals[5] |= 1 << 8;
+       /* tEMRS = 3*tCK */
+       dram_vals[10] &= ~(0x3 << 8);
+       dram_vals[10] |= (0x3 << 8);
+       /* CASLAT = 3*tCK */
+       dram_vals[11] &= ~(0x3 << 0);
+       dram_vals[11] |= (0x3 << 0);
+       /* tCKE = 1*tCK */
+       dram_vals[12] &= ~(0x7 << 0);
+       dram_vals[12] |= (0x1 << 0);
+       /* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */
+       dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0));
+       dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0);
+       /* tDAL = 6*tCK */
+       dram_vals[15] &= ~(0xf << 16);
+       dram_vals[15] |= (0x6 << 16);
+       /* tREF = 1040*tCK */
+       dram_vals[26] &= ~0xffff;
+       dram_vals[26] |= 0x0410;
+       /* tRAS_MAX = 9334*tCK */
+       dram_vals[32] &= ~0xffff;
+       dram_vals[32] |= 0x2475;
+}