Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'

[karo-tx-uboot.git] / board / freescale / mx31pdk / mx31pdk.c

diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c
index 276d45153a2158567cdf95672671fbfad5e06c90..13b9d51dd181be9e3250384bc15a38be8517f916 100644 (file)
--- a/board/freescale/mx31pdk/mx31pdk.c
+++ b/board/freescale/mx31pdk/mx31pdk.c
@@ -4,23 +4,7 @@
  *
  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 
@@ -28,14 +12,33 @@
 #include <netdev.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/imx-regs.h>
+#include <asm/arch/sys_proto.h>
 #include <watchdog.h>
+#include <power/pmic.h>
+#include <fsl_pmic.h>
+#include <errno.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#ifdef CONFIG_HW_WATCHDOG
-void hw_watchdog_reset(void)
+#ifdef CONFIG_SPL_BUILD
+void board_init_f(ulong bootflag)
 {
-       mxc_hw_watchdog_reset();
+       /*
+        * copy ourselves from where we are running to where we were
+        * linked at. Use ulong pointers as all addresses involved
+        * are 4-byte-aligned.
+        */
+       ulong *start_ptr, *end_ptr, *link_ptr, *run_ptr, *dst;
+       asm volatile ("ldr %0, =_start" : "=r"(start_ptr));
+       asm volatile ("ldr %0, =_end" : "=r"(end_ptr));
+       asm volatile ("ldr %0, =board_init_f" : "=r"(link_ptr));
+       asm volatile ("adr %0, board_init_f" : "=r"(run_ptr));
+       for (dst = start_ptr; dst < end_ptr; dst++)
+               *dst = *(dst+(run_ptr-link_ptr));
+       /*
+        * branch to nand_boot's link-time address.
+        */
+       asm volatile("ldr pc, =nand_boot");
 }
 #endif
 
@@ -50,9 +53,16 @@ int dram_init(void)
 int board_early_init_f(void)
 {
        /* CS5: CPLD incl. network controller */
-       __REG(CSCR_U(5)) = 0x0000d843;
-       __REG(CSCR_L(5)) = 0x22252521;
-       __REG(CSCR_A(5)) = 0x22220a00;
+       static const struct mxc_weimcs cs5 = {
+               /*    sp wp bcd bcs psz pme sync dol cnc wsc ew wws edc */
+               CSCR_U(0, 0,  0,  0,  0,  0,   0,  0,  3, 24, 0,  4,  3),
+               /*   oea oen ebwa ebwn csa ebc dsz csn psr cre wrap csen */
+               CSCR_L(2,  2,   2,   5,  2,  0,  5,  2,  0,  0,   0,   1),
+               /*  ebra ebrn rwa rwn mum lah lbn lba dww dct wwu age cnc2 fce*/
+               CSCR_A(2,   2,  2,  2,  0,  0,  2,  2,  0,  0,  0,  0,   0,  0)
+       };
+
+       mxc_setup_weimcs(5, &cs5);
 
        /* Setup UART1 and SPI2 pins */
        mx31_uart1_hw_init();
@@ -71,8 +81,23 @@ int board_init(void)
 
 int board_late_init(void)
 {
+       u32 val;
+       struct pmic *p;
+       int ret;
+
+       ret = pmic_init(CONFIG_FSL_PMIC_BUS);
+       if (ret)
+               return ret;
+
+       p = pmic_get("FSL_PMIC");
+       if (!p)
+               return -ENODEV;
+       /* Enable RTC battery */
+       pmic_reg_read(p, REG_POWER_CTL0, &val);
+       pmic_reg_write(p, REG_POWER_CTL0, val | COINCHEN);
+       pmic_reg_write(p, REG_INT_STATUS1, RTCRSTI);
 #ifdef CONFIG_HW_WATCHDOG
-       mxc_hw_watchdog_enable();
+       hw_watchdog_init();
 #endif
        return 0;
 }