summaryrefslogtreecommitdiffstats
path: root/qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c')
-rw-r--r--qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c b/qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c
new file mode 100644
index 000000000..13b9d51dd
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c
@@ -0,0 +1,118 @@
+/*
+ *
+ * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com>
+ *
+ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+
+#include <common.h>
+#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_SPL_BUILD
+void board_init_f(ulong bootflag)
+{
+ /*
+ * 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
+
+int dram_init(void)
+{
+ /* dram_init must store complete ramsize in gd->ram_size */
+ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+ PHYS_SDRAM_1_SIZE);
+ return 0;
+}
+
+int board_early_init_f(void)
+{
+ /* CS5: CPLD incl. network controller */
+ 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();
+ mx31_spi2_hw_init();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+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
+ hw_watchdog_init();
+#endif
+ return 0;
+}
+
+int checkboard(void)
+{
+ printf("Board: MX31PDK\n");
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ int rc = 0;
+#ifdef CONFIG_SMC911X
+ rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#endif
+ return rc;
+}