diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c | 118 |
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; +} |