Merge 'u-boot-microblaze/zynq' into (u-boot-arm/master'

[karo-tx-uboot.git] / arch / arm / cpu / arm926ejs / davinci / da850_lowlevel.c

diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c
index ff2e2e33dff71f9857dc12d71945f8cb4926b0fa..a3bbbb869dc259e9d44fb790a8c0ab3b6b48fab2 100644 (file)
--- a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c
+++ b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c
@@ -4,22 +4,7 @@
  * Copyright (C) 2011
  * Heiko Schocher, DENX Software Engineering, hs@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
 #include <nand.h>
@@ -32,6 +17,14 @@
 #include <asm/arch/emif_defs.h>
 #include <asm/arch/pll_defs.h>
 
+void davinci_enable_uart0(void)
+{
+       lpsc_on(DAVINCI_LPSC_UART0);
+
+       /* Bringup UART0 out of reset */
+       REG(UART0_PWREMU_MGMT) = 0x00006001;
+}
+
 #if defined(CONFIG_SYS_DA850_PLL_INIT)
 void da850_waitloop(unsigned long loopcnt)
 {
@@ -306,7 +299,11 @@ int arch_cpu_init(void)
         */
        writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
                DAVINCI_UART_PWREMU_MGMT_UTRST),
+#if (CONFIG_SYS_NS16550_COM1 == DAVINCI_UART0_BASE)
+              &davinci_uart0_ctrl_regs->pwremu_mgmt);
+#else
               &davinci_uart2_ctrl_regs->pwremu_mgmt);
+#endif
 
 #if defined(CONFIG_SYS_DA850_DDR_INIT)
        da850_ddr_setup();