diff options
Diffstat (limited to 'roms/u-boot/board/freescale/mx31pdk')
| -rw-r--r-- | roms/u-boot/board/freescale/mx31pdk/Makefile | 13 | ||||
| -rw-r--r-- | roms/u-boot/board/freescale/mx31pdk/lowlevel_init.S | 77 | ||||
| -rw-r--r-- | roms/u-boot/board/freescale/mx31pdk/mx31pdk.c | 118 |
3 files changed, 208 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/mx31pdk/Makefile b/roms/u-boot/board/freescale/mx31pdk/Makefile new file mode 100644 index 00000000..754b3ea9 --- /dev/null +++ b/roms/u-boot/board/freescale/mx31pdk/Makefile @@ -0,0 +1,13 @@ +# +# (C) Copyright 2008 Magnus Lilja <lilja.magnus@gmail.com> +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +ifdef CONFIG_SPL_BUILD +obj-y += lowlevel_init.o +endif +obj-y += mx31pdk.o diff --git a/roms/u-boot/board/freescale/mx31pdk/lowlevel_init.S b/roms/u-boot/board/freescale/mx31pdk/lowlevel_init.S new file mode 100644 index 00000000..de43555f --- /dev/null +++ b/roms/u-boot/board/freescale/mx31pdk/lowlevel_init.S @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2009 Magnus Lilja <lilja.magnus@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <asm/arch/imx-regs.h> +#include <asm/macro.h> + +.globl lowlevel_init +lowlevel_init: + /* Also setup the Peripheral Port Remap register inside the core */ + ldr r0, =ARM_PPMRR /* start from AIPS 2GB region */ + mcr p15, 0, r0, c15, c2, 4 + + write32 IPU_CONF, IPU_CONF_DI_EN + write32 CCM_CCMR, CCM_CCMR_SETUP + + wait_timer 0x40000 + + write32 CCM_CCMR, CCM_CCMR_SETUP | CCMR_MPE + write32 CCM_CCMR, (CCM_CCMR_SETUP | CCMR_MPE) & ~CCMR_MDS + + /* Set up clock to 532MHz */ + write32 CCM_PDR0, CCM_PDR0_SETUP_532MHZ + write32 CCM_MPCTL, CCM_MPCTL_SETUP_532MHZ + + write32 CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1) + + /* Set up MX31 DDR pins */ + write32 IOMUXC_SW_PAD_CTL_SDCKE1_SDCLK_SDCLK_B, 0 + write32 IOMUXC_SW_PAD_CTL_CAS_SDWE_SDCKE0, 0 + write32 IOMUXC_SW_PAD_CTL_BCLK_RW_RAS, 0 + write32 IOMUXC_SW_PAD_CTL_CS2_CS3_CS4, 0x1000 + write32 IOMUXC_SW_PAD_CTL_DQM3_EB0_EB1, 0 + write32 IOMUXC_SW_PAD_CTL_DQM0_DQM1_DQM2, 0 + write32 IOMUXC_SW_PAD_CTL_SD29_SD30_SD31, 0 + write32 IOMUXC_SW_PAD_CTL_SD26_SD27_SD28, 0 + write32 IOMUXC_SW_PAD_CTL_SD23_SD24_SD25, 0 + write32 IOMUXC_SW_PAD_CTL_SD20_SD21_SD22, 0 + write32 IOMUXC_SW_PAD_CTL_SD17_SD18_SD19, 0 + write32 IOMUXC_SW_PAD_CTL_SD14_SD15_SD16, 0 + write32 IOMUXC_SW_PAD_CTL_SD11_SD12_SD13, 0 + write32 IOMUXC_SW_PAD_CTL_SD8_SD9_SD10, 0 + write32 IOMUXC_SW_PAD_CTL_SD5_SD6_SD7, 0 + write32 IOMUXC_SW_PAD_CTL_SD2_SD3_SD4, 0 + write32 IOMUXC_SW_PAD_CTL_SDBA0_SD0_SD1, 0 + write32 IOMUXC_SW_PAD_CTL_A24_A25_SDBA1, 0 + write32 IOMUXC_SW_PAD_CTL_A21_A22_A23, 0 + write32 IOMUXC_SW_PAD_CTL_A18_A19_A20, 0 + write32 IOMUXC_SW_PAD_CTL_A15_A16_A17, 0 + write32 IOMUXC_SW_PAD_CTL_A12_A13_A14, 0 + write32 IOMUXC_SW_PAD_CTL_A10_MA10_A11, 0 + write32 IOMUXC_SW_PAD_CTL_A7_A8_A9, 0 + write32 IOMUXC_SW_PAD_CTL_A4_A5_A6, 0 + write32 IOMUXC_SW_PAD_CTL_A1_A2_A3, 0 + write32 IOMUXC_SW_PAD_CTL_VPG0_VPG1_A0, 0 + + /* Set up MX31 DDR Memory Controller */ + write32 WEIM_ESDMISC, ESDMISC_MDDR_SETUP + write32 WEIM_ESDCFG0, ESDCFG0_MDDR_SETUP + + /* Perform DDR init sequence */ + write32 WEIM_ESDCTL0, ESDCTL_PRECHARGE + write32 CSD0_BASE | 0x0f00, 0x12344321 + write32 WEIM_ESDCTL0, ESDCTL_AUTOREFRESH + write32 CSD0_BASE, 0x12344321 + write32 CSD0_BASE, 0x12344321 + write32 WEIM_ESDCTL0, ESDCTL_LOADMODEREG + write8 CSD0_BASE | 0x00000033, 0xda + write8 CSD0_BASE | 0x01000000, 0xff + write32 WEIM_ESDCTL0, ESDCTL_RW + write32 CSD0_BASE, 0xDEADBEEF + write32 WEIM_ESDMISC, ESDMISC_MDDR_RESET_DL + + mov pc, lr diff --git a/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c b/roms/u-boot/board/freescale/mx31pdk/mx31pdk.c new file mode 100644 index 00000000..13b9d51d --- /dev/null +++ b/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; +} |