diff options
Diffstat (limited to 'board/freescale')
| -rw-r--r-- | board/freescale/mx25_3stack/Makefile | 53 | ||||
| -rw-r--r-- | board/freescale/mx25_3stack/config.mk | 1 | ||||
| -rw-r--r-- | board/freescale/mx25_3stack/dcdheader.S | 99 | ||||
| -rw-r--r-- | board/freescale/mx25_3stack/lowlevel_init.S | 72 | ||||
| -rw-r--r-- | board/freescale/mx25_3stack/mx25_3stack.c | 187 | ||||
| -rw-r--r-- | board/freescale/mx25_3stack/u-boot.lds | 62 |
6 files changed, 474 insertions, 0 deletions
diff --git a/board/freescale/mx25_3stack/Makefile b/board/freescale/mx25_3stack/Makefile new file mode 100644 index 0000000..ac308fe --- /dev/null +++ b/board/freescale/mx25_3stack/Makefile @@ -0,0 +1,53 @@ +# +# (c) Copyright 2009 Freescale Semiconductor +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@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., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS := mx25_3stack.o +SOBJS := lowlevel_init.o dcdheader.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mx25_3stack/config.mk b/board/freescale/mx25_3stack/config.mk new file mode 100644 index 0000000..4c401e7 --- /dev/null +++ b/board/freescale/mx25_3stack/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x83F00000 diff --git a/board/freescale/mx25_3stack/dcdheader.S b/board/freescale/mx25_3stack/dcdheader.S new file mode 100644 index 0000000..2bd61ed --- /dev/null +++ b/board/freescale/mx25_3stack/dcdheader.S @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2009 Freescale Semiconductor + * + * 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 + */ + + +#include <config.h> +#include <version.h> + +.extern reset + +#define DCDGEN(i,type, addr, data) \ +dcd_##i: ;\ + .long type ;\ + .long addr ;\ + .long data + +.globl _initheader +_initheader: + b reset + .org 0x400 +app_code_jump_v: .long reset +app_code_barker: .long 0xB1 +app_code_csf: .long 0 +hwcfg_ptr_ptr: .long hwcfg_ptr +super_root_key: .long 0 +hwcfg_ptr: .long dcd_data +app_dest_ptr: .long TEXT_BASE +dcd_data: .long 0xB17219E9 + +#ifdef MXC_MEMORY_MDDR +dcd_len: .long 12*15 +#else +dcd_len: .long 12*24 +#endif + +/* WEIM config-CS5 init -- CPLD */ +DCDGEN( 1, 4, 0xB8002050, 0x0000D843) /* CS5_CSCRU */ +DCDGEN( 2, 4, 0xB8002054, 0x22252521) /* CS5_CSCRL */ +DCDGEN( 3, 4, 0xB8002058, 0x22220A00) /* CS5_CSCRA */ +#ifdef MXC_MEMORY_MDDR +/* MDDR init */ +DCDGEN( 4, 4, 0xB8001010, 0x00000004) /* enable mDDR */ +DCDGEN( 5, 4, 0xB8001000, 0x92100000) /* precharge command */ +DCDGEN( 6, 1, 0x80000400, 0x12344321) /* precharge all dummy write */ +DCDGEN( 7, 4, 0xB8001000, 0xA2100000) /* auto-refresh command */ +DCDGEN( 8, 4, 0x80000000, 0x12344321) /* dummy write for refresh */ +DCDGEN( 9, 4, 0x80000000, 0x12344321) /* dummy write for refresh */ +DCDGEN(10, 4, 0xB8001000, 0xB2100000) /* Load Mode Reg command - cas=3 bl=8 */ +DCDGEN(11, 1, 0x80000033, 0xda) /* dummy write -- address has the mode bits */ +DCDGEN(12, 1, 0x81000000, 0xff) /* dummy write -- address has the mode bits */ +DCDGEN(13, 4, 0xB8001000, 0x82216880) +DCDGEN(14, 4, 0xB8001004, 0x00295729) +#else +/* DDR2 init */ +DCDGEN( 4, 4, 0xB8001004, 0x0076E83A) /* initial value for ESDCFG0 */ +DCDGEN( 5, 4, 0xB8001010, 0x00000204) /* ESD_MISC */ +DCDGEN( 6, 4, 0xB8001000, 0x92210000) /* CS0 precharge command */ +DCDGEN( 7, 4, 0x80000f00, 0x12344321) /* precharge all dummy write */ +DCDGEN( 8, 4, 0xB8001000, 0xB2210000) /* Load Mode Register command */ +DCDGEN( 9, 1, 0x82000000, 0xda) /* dummy write Load EMR2 */ +DCDGEN(10, 1, 0x83000000, 0xda) /* dummy write Load EMR3 */ +DCDGEN(11, 1, 0x81000400, 0xda) /* dummy write Load EMR1; enable DLL */ +DCDGEN(12, 1, 0x80000333, 0xda) /* dummy write Load MR; reset DLL */ + +DCDGEN(13, 4, 0xB8001000, 0x92210000) /* CS0 precharge command */ +DCDGEN(14, 1, 0x80000400, 0x12345678) /* precharge all dummy write */ + +DCDGEN(15, 4, 0xB8001000, 0xA2210000) /* select manual refresh mode */ +DCDGEN(16, 4, 0x80000000, 0x87654321) /* manual refresh */ +DCDGEN(17, 4, 0x80000000, 0x87654321) /* manual refresh twice */ + +DCDGEN(18, 4, 0xB8001000, 0xB2210000) /* Load Mode Register command */ +DCDGEN(19, 1, 0x80000233, 0xda) /* Load MR; CL=3, BL=8, end DLL reset */ +DCDGEN(20, 1, 0x81000780, 0xda) /* Load EMR1; OCD default */ +DCDGEN(21, 1, 0x81000400, 0xda) /* Load EMR1; OCD exit */ +DCDGEN(22, 4, 0xB8001000, 0x82216080) /* normal mode */ +DCDGEN(23, 4, 0x43FAC454, 0x00001000) /* IOMUXC_SW_PAD_CTL_GRP_DDRTYPE(1-5) */ +#endif + +DCDGEN(99, 4, 0x53F80008, 0x20034000) /* CLKCTL ARM=400 AHB=133 */ +card_cfg: .long UBOOT_IMAGE_SIZE diff --git a/board/freescale/mx25_3stack/lowlevel_init.S b/board/freescale/mx25_3stack/lowlevel_init.S new file mode 100644 index 0000000..61bb589 --- /dev/null +++ b/board/freescale/mx25_3stack/lowlevel_init.S @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2009 Freescale Semiconductor + * + * 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 + */ + +#include <asm/arch/mx25-regs.h> + +.macro REG reg, val + ldr r2, =\reg + ldr r3, =\val + str r3, [r2] +.endm + +.macro REG8 reg, val + ldr r2, =\reg + ldr r3, =\val + strb r3, [r2] +.endm + +.globl lowlevel_init +lowlevel_init: + + REG 0x53F80008, 0x20034000 // ARM clk = 399, AHB clk = 133 + + /* Init Debug Board CS5 */ + REG 0xB8002050, 0x0000D843 + REG 0xB8002054, 0x22252521 + REG 0xB8002058, 0x22220A00 + + /* M3IF setup */ + ldr r0, =0x00000001 + str r0, [r1] /* M3IF control reg */ + + /* default CLKO to 1/32 of the ARM core */ + ldr r0, =CCM_MCR + ldr r1, =CCM_MCR + bic r1, r1, #0x00F00000 + bic r1, r1, #0x7F000000 + mov r2, #0x5F000000 + add r2, r2, #0x00200000 + orr r1, r1, r2 + str r1, [r0] + + /* enable all the clocks */ + ldr r2, =0x1FFFFFFF + ldr r0, =CCM_CGR0 + str r2, [r0] + ldr r2, =0xFFFFFFFF + ldr r0, =CCM_CGR1 + str r2, [r0] + ldr r2, =0x000FDFFF + ldr r0, =CCM_CGR2 + str r2, [r0] + mov pc, lr + diff --git a/board/freescale/mx25_3stack/mx25_3stack.c b/board/freescale/mx25_3stack/mx25_3stack.c new file mode 100644 index 0000000..22559b6 --- /dev/null +++ b/board/freescale/mx25_3stack/mx25_3stack.c @@ -0,0 +1,187 @@ +/* + * (c) Copyright 2009 Freescale Semiconductor + * + * (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 + */ + + +#include <common.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/arch/mx25.h> +#include <asm/arch/mx25-regs.h> +#include <asm/arch/mx25_pins.h> +#include <asm/arch/iomux.h> +#include <asm/arch/gpio.h> + +DECLARE_GLOBAL_DATA_PTR; + +static u32 system_rev; + +u32 get_board_rev(void) +{ + return system_rev; +} + +static inline void setup_soc_rev(void) +{ + int reg; + reg = __REG(IIM_BASE + IIM_SREV); + if (!reg) { + reg = __REG(ROMPATCH_REV); + reg <<= 4; + } else + reg += CHIP_REV_1_0; + system_rev = 0x25000 + (reg & 0xFF); +} + +int dram_init(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +int board_init(void) +{ + int pad; + u8 reg[4]; + + setup_soc_rev(); + + /* setup pins for UART1 */ + /* UART 1 IOMUX Configs */ + mxc_request_iomux(MX25_PIN_UART1_RXD, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_UART1_TXD, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_UART1_RTS, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_UART1_CTS, MUX_CONFIG_FUNC); + mxc_iomux_set_pad(MX25_PIN_UART1_RXD, + PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE | + PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); + mxc_iomux_set_pad(MX25_PIN_UART1_TXD, + PAD_CTL_PUE_PUD | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX25_PIN_UART1_RTS, + PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE | + PAD_CTL_PUE_PUD | PAD_CTL_100K_PU); + mxc_iomux_set_pad(MX25_PIN_UART1_CTS, + PAD_CTL_PUE_PUD | PAD_CTL_100K_PD); + + /* setup pins for FEC */ + mxc_request_iomux(MX25_PIN_FEC_TX_CLK, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_RX_DV, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_RDATA0, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_TDATA0, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_TX_EN, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_MDC, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_MDIO, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_RDATA1, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_FEC_TDATA1, MUX_CONFIG_FUNC); + mxc_request_iomux(MX25_PIN_POWER_FAIL, MUX_CONFIG_FUNC); /* PHY INT */ + +#define FEC_PAD_CTL1 (PAD_CTL_HYS_SCHMITZ | PAD_CTL_PUE_PUD | \ + PAD_CTL_PKE_ENABLE) +#define FEC_PAD_CTL2 (PAD_CTL_PUE_PUD) + + mxc_iomux_set_pad(MX25_PIN_FEC_TX_CLK, FEC_PAD_CTL1); + mxc_iomux_set_pad(MX25_PIN_FEC_RX_DV, FEC_PAD_CTL1); + mxc_iomux_set_pad(MX25_PIN_FEC_RDATA0, FEC_PAD_CTL1); + mxc_iomux_set_pad(MX25_PIN_FEC_TDATA0, FEC_PAD_CTL2); + mxc_iomux_set_pad(MX25_PIN_FEC_TX_EN, FEC_PAD_CTL2); + mxc_iomux_set_pad(MX25_PIN_FEC_MDC, FEC_PAD_CTL2); + mxc_iomux_set_pad(MX25_PIN_FEC_MDIO, FEC_PAD_CTL1 | PAD_CTL_22K_PU); + mxc_iomux_set_pad(MX25_PIN_FEC_RDATA1, FEC_PAD_CTL1); + mxc_iomux_set_pad(MX25_PIN_FEC_TDATA1, FEC_PAD_CTL2); + mxc_iomux_set_pad(MX25_PIN_POWER_FAIL, FEC_PAD_CTL1); + + /* + * Set up the FEC_RESET_B and FEC_ENABLE GPIO pins. + * Assert FEC_RESET_B, then power up the PHY by asserting + * FEC_ENABLE, at the same time lifting FEC_RESET_B. + * + * FEC_RESET_B: gpio2[3] is ALT 5 mode of pin D12 + * FEC_ENABLE_B: gpio4[8] is ALT 5 mode of pin A17 + */ + mxc_request_iomux(MX25_PIN_A17, MUX_CONFIG_ALT5); /* FEC_EN */ + mxc_request_iomux(MX25_PIN_D12, MUX_CONFIG_ALT5); /* FEC_RESET_B */ + + mxc_iomux_set_pad(MX25_PIN_A17, PAD_CTL_ODE_OpenDrain); + mxc_iomux_set_pad(MX25_PIN_D12, 0); + + mxc_set_gpio_direction(MX25_PIN_A17, 0); /* FEC_EN */ + mxc_set_gpio_direction(MX25_PIN_D12, 0); /* FEC_RESET_B */ + + /* drop PHY power */ + mxc_set_gpio_dataout(MX25_PIN_A17, 0); /* FEC_EN */ + + /* assert reset */ + mxc_set_gpio_dataout(MX25_PIN_D12, 0); /* FEC_RESET_B */ + udelay(2); /* spec says 1us min */ + + /* turn on PHY power and lift reset */ + mxc_set_gpio_dataout(MX25_PIN_A17, 1); /* FEC_EN */ + mxc_set_gpio_dataout(MX25_PIN_D12, 1); /* FEC_RESET_B */ + +#define I2C_PAD_CTL (PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE | \ + PAD_CTL_PUE_PUD | PAD_CTL_100K_PU | PAD_CTL_ODE_OpenDrain) + + mxc_request_iomux(MX25_PIN_I2C1_CLK, MUX_CONFIG_SION); + mxc_request_iomux(MX25_PIN_I2C1_DAT, MUX_CONFIG_SION); + mxc_iomux_set_pad(MX25_PIN_I2C1_CLK, 0x1E8); + mxc_iomux_set_pad(MX25_PIN_I2C1_DAT, 0x1E8); + + gd->bd->bi_arch_number = MACH_TYPE_MX25_3DS; /* board id for linux */ + gd->bd->bi_boot_params = 0x80000100; /* address of boot parameters */ + + return 0; + +#undef FEC_PAD_CTL1 +#undef FEC_PAD_CTL2 +#undef I2C_PAD_CTL +} + +#ifdef BOARD_LATE_INIT +int board_late_init(void) +{ + u8 reg[4]; + + /* Turn PMIC On*/ + reg[0] = 0x09; + i2c_write(0x54, 0x02, 1, reg, 1); +} +#endif + + +int checkboard(void) +{ + printf("Board: i.MX25 MAX PDK (3DS)\n"); + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = -ENODEV; +#if defined(CONFIG_DRIVER_SMC911X) + rc = smc911x_initialize(bis); +#endif + return rc; +} + diff --git a/board/freescale/mx25_3stack/u-boot.lds b/board/freescale/mx25_3stack/u-boot.lds new file mode 100644 index 0000000..8d61156 --- /dev/null +++ b/board/freescale/mx25_3stack/u-boot.lds @@ -0,0 +1,62 @@ +/* + * (c) Copyright 2009 Freescale Semiconductor + * + * January 2004 - Changed to support H4 device + * Copyright (c) 2004 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + board/freescale/mx25_3stack/dcdheader.o (.text) + cpu/arm926ejs/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} |