diff options
Diffstat (limited to 'board/freescale/mx35pdk')
| -rw-r--r-- | board/freescale/mx35pdk/Makefile | 49 | ||||
| -rw-r--r-- | board/freescale/mx35pdk/lowlevel_init.S | 363 | ||||
| -rw-r--r-- | board/freescale/mx35pdk/mx35pdk.c | 297 | ||||
| -rw-r--r-- | board/freescale/mx35pdk/mx35pdk.h | 101 |
4 files changed, 810 insertions, 0 deletions
diff --git a/board/freescale/mx35pdk/Makefile b/board/freescale/mx35pdk/Makefile new file mode 100644 index 0000000..b4a60d6 --- /dev/null +++ b/board/freescale/mx35pdk/Makefile @@ -0,0 +1,49 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> +# +# (C) Copyright 2008-2009 Freescale Semiconductor, Inc. +# +# 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).o + +COBJS := mx35pdk.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(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/mx35pdk/lowlevel_init.S b/board/freescale/mx35pdk/lowlevel_init.S new file mode 100644 index 0000000..9b0f1b5 --- /dev/null +++ b/board/freescale/mx35pdk/lowlevel_init.S @@ -0,0 +1,363 @@ +/* + * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> + * + * (C) Copyright 2008-2010 Freescale Semiconductor, Inc. + * + * 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 <asm/arch/imx-regs.h> +#include <asm/arch/asm-offsets.h> +#include "mx35pdk.h" + +/* + * return soc version + * 0x10: TO1 + * 0x20: TO2 + * 0x30: TO3 + */ +.macro check_soc_version ret, tmp + ldr \tmp, =IIM_BASE_ADDR + ldr \ret, [\tmp, #IIM_SREV] + cmp \ret, #0x00 + moveq \tmp, #ROMPATCH_REV + ldreq \ret, [\tmp] + moveq \ret, \ret, lsl #4 + addne \ret, \ret, #0x10 +.endm + +/* + * AIPS setup - Only setup MPROTx registers. + * The PACR default values are good. + */ +.macro init_aips + /* + * Set all MPROTx to be non-bufferable, trusted for R/W, + * not forced to user-mode. + */ + ldr r0, =AIPS1_BASE_ADDR + ldr r1, =AIPS_MPR_CONFIG + str r1, [r0, #0x00] + str r1, [r0, #0x04] + ldr r0, =AIPS2_BASE_ADDR + str r1, [r0, #0x00] + str r1, [r0, #0x04] + + /* + * Clear the on and off peripheral modules Supervisor Protect bit + * for SDMA to access them. Did not change the AIPS control registers + * (offset 0x20) access type + */ + ldr r0, =AIPS1_BASE_ADDR + ldr r1, =AIPS_OPACR_CONFIG + str r1, [r0, #0x40] + str r1, [r0, #0x44] + str r1, [r0, #0x48] + str r1, [r0, #0x4C] + str r1, [r0, #0x50] + ldr r0, =AIPS2_BASE_ADDR + str r1, [r0, #0x40] + str r1, [r0, #0x44] + str r1, [r0, #0x48] + str r1, [r0, #0x4C] + str r1, [r0, #0x50] +.endm + +/* MAX (Multi-Layer AHB Crossbar Switch) setup */ +.macro init_max + ldr r0, =MAX_BASE_ADDR + /* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */ + ldr r1, =MAX_MPR_CONFIG + str r1, [r0, #0x000] /* for S0 */ + str r1, [r0, #0x100] /* for S1 */ + str r1, [r0, #0x200] /* for S2 */ + str r1, [r0, #0x300] /* for S3 */ + str r1, [r0, #0x400] /* for S4 */ + /* SGPCR - always park on last master */ + ldr r1, =MAX_SGPCR_CONFIG + str r1, [r0, #0x010] /* for S0 */ + str r1, [r0, #0x110] /* for S1 */ + str r1, [r0, #0x210] /* for S2 */ + str r1, [r0, #0x310] /* for S3 */ + str r1, [r0, #0x410] /* for S4 */ + /* MGPCR - restore default values */ + ldr r1, =MAX_MGPCR_CONFIG + str r1, [r0, #0x800] /* for M0 */ + str r1, [r0, #0x900] /* for M1 */ + str r1, [r0, #0xA00] /* for M2 */ + str r1, [r0, #0xB00] /* for M3 */ + str r1, [r0, #0xC00] /* for M4 */ + str r1, [r0, #0xD00] /* for M5 */ +.endm + +/* M3IF setup */ +.macro init_m3if + /* Configure M3IF registers */ + ldr r1, =M3IF_BASE_ADDR + /* + * M3IF Control Register (M3IFCTL) + * MRRP[0] = L2CC0 not on priority list (0 << 0) = 0x00000000 + * MRRP[1] = L2CC1 not on priority list (0 << 0) = 0x00000000 + * MRRP[2] = MBX not on priority list (0 << 0) = 0x00000000 + * MRRP[3] = MAX1 not on priority list (0 << 0) = 0x00000000 + * MRRP[4] = SDMA not on priority list (0 << 0) = 0x00000000 + * MRRP[5] = MPEG4 not on priority list (0 << 0) = 0x00000000 + * MRRP[6] = IPU1 on priority list (1 << 6) = 0x00000040 + * MRRP[7] = IPU2 not on priority list (0 << 0) = 0x00000000 + * ------------ + * 0x00000040 + */ + ldr r0, =M3IF_CONFIG + str r0, [r1] /* M3IF control reg */ +.endm + +/* CPLD on CS5 setup */ +.macro init_debug_board + ldr r0, =DBG_BASE_ADDR + ldr r1, =DBG_CSCR_U_CONFIG + str r1, [r0, #0x00] + ldr r1, =DBG_CSCR_L_CONFIG + str r1, [r0, #0x04] + ldr r1, =DBG_CSCR_A_CONFIG + str r1, [r0, #0x08] +.endm + +/* clock setup */ +.macro init_clock + ldr r0, =CCM_BASE_ADDR + + /* default CLKO to 1/32 of the ARM core*/ + ldr r1, [r0, #CLKCTL_COSR] + bic r1, r1, #0x00000FF00 + bic r1, r1, #0x0000000FF + mov r2, #0x00006C00 + add r2, r2, #0x67 + orr r1, r1, r2 + str r1, [r0, #CLKCTL_COSR] + + ldr r2, =CCM_CCMR_CONFIG + str r2, [r0, #CLKCTL_CCMR] + + check_soc_version r1, r2 + cmp r1, #CHIP_REV_2_0 + ldrhs r3, =CCM_MPLL_532_HZ + bhs 1f + ldr r2, [r0, #CLKCTL_PDR0] + tst r2, #CLKMODE_CONSUMER + ldrne r3, =CCM_MPLL_532_HZ /* consumer path*/ + ldreq r3, =CCM_MPLL_399_HZ /* auto path*/ +1: + str r3, [r0, #CLKCTL_MPCTL] + + ldr r1, =CCM_PPLL_300_HZ + str r1, [r0, #CLKCTL_PPCTL] + + ldr r1, =CCM_PDR0_CONFIG + bic r1, r1, #0x800000 + str r1, [r0, #CLKCTL_PDR0] + + ldr r1, [r0, #CLKCTL_CGR0] + orr r1, r1, #0x0C300000 + str r1, [r0, #CLKCTL_CGR0] + + ldr r1, [r0, #CLKCTL_CGR1] + orr r1, r1, #0x00000C00 + orr r1, r1, #0x00000003 + str r1, [r0, #CLKCTL_CGR1] +.endm + +.macro setup_sdram + ldr r0, =ESDCTL_BASE_ADDR + mov r3, #0x2000 + str r3, [r0, #0x0] + str r3, [r0, #0x8] + + /*ip(r12) has used to save lr register in upper calling*/ + mov fp, lr + + mov r5, #0x00 + mov r2, #0x00 + mov r1, #CSD0_BASE_ADDR + bl setup_sdram_bank + cmp r3, #0x0 + orreq r5, r5, #1 + eorne r2, r2, #0x1 + blne setup_sdram_bank + + mov lr, fp + +1: + ldr r3, =ESDCTL_DELAY_LINE5 + str r3, [r0, #0x30] +.endm + +.globl lowlevel_init +lowlevel_init: + mov r10, lr + + mrc 15, 0, r1, c1, c0, 0 + + mrc 15, 0, r0, c1, c0, 1 + orr r0, r0, #7 + mcr 15, 0, r0, c1, c0, 1 + orr r1, r1, #(1<<11) + + /* Set unaligned access enable */ + orr r1, r1, #(1<<22) + + /* Set low int latency enable */ + orr r1, r1, #(1<<21) + + mcr 15, 0, r1, c1, c0, 0 + + mov r0, #0 + + /* Set branch prediction enable */ + mcr 15, 0, r0, c15, c2, 4 + + mcr 15, 0, r0, c7, c7, 0 /* invalidate I cache and D cache */ + mcr 15, 0, r0, c8, c7, 0 /* invalidate TLBs */ + mcr 15, 0, r0, c7, c10, 4 /* Drain the write buffer */ + + /* + * initializes very early AIPS + * Then it also initializes Multi-Layer AHB Crossbar Switch, + * M3IF + * Also setup the Peripheral Port Remap register inside the core + */ + ldr r0, =0x40000015 /* start from AIPS 2GB region */ + mcr p15, 0, r0, c15, c2, 4 + + init_aips + + init_max + + init_m3if + + init_clock + init_debug_board + + cmp pc, #PHYS_SDRAM_1 + blo init_sdram_start + cmp pc, #(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE) + blo skip_sdram_setup + +init_sdram_start: + /*init_sdram*/ + setup_sdram + +skip_sdram_setup: + mov lr, r10 + mov pc, lr + + +/* + * r0: ESDCTL control base, r1: sdram slot base + * r2: DDR type(0:DDR2, 1:MDDR) r3, r4:working base + */ +setup_sdram_bank: + mov r3, #0xE + tst r2, #0x1 + orreq r3, r3, #0x300 /*DDR2*/ + str r3, [r0, #0x10] + bic r3, r3, #0x00A + str r3, [r0, #0x10] + beq 2f + + mov r3, #0x20000 +1: subs r3, r3, #1 + bne 1b + +2: tst r2, #0x1 + ldreq r3, =ESDCTL_DDR2_CONFIG + ldrne r3, =ESDCTL_MDDR_CONFIG + cmp r1, #CSD1_BASE_ADDR + strlo r3, [r0, #0x4] + strhs r3, [r0, #0xC] + + ldr r3, =ESDCTL_0x92220000 + strlo r3, [r0, #0x0] + strhs r3, [r0, #0x8] + mov r3, #0xDA + ldr r4, =ESDCTL_PRECHARGE + strb r3, [r1, r4] + + tst r2, #0x1 + bne skip_set_mode + + cmp r1, #CSD1_BASE_ADDR + ldr r3, =ESDCTL_0xB2220000 + strlo r3, [r0, #0x0] + strhs r3, [r0, #0x8] + mov r3, #0xDA + ldr r4, =ESDCTL_DDR2_EMR2 + strb r3, [r1, r4] + ldr r4, =ESDCTL_DDR2_EMR3 + strb r3, [r1, r4] + ldr r4, =ESDCTL_DDR2_EN_DLL + strb r3, [r1, r4] + ldr r4, =ESDCTL_DDR2_RESET_DLL + strb r3, [r1, r4] + + ldr r3, =ESDCTL_0x92220000 + strlo r3, [r0, #0x0] + strhs r3, [r0, #0x8] + mov r3, #0xDA + ldr r4, =ESDCTL_PRECHARGE + strb r3, [r1, r4] + +skip_set_mode: + cmp r1, #CSD1_BASE_ADDR + ldr r3, =ESDCTL_0xA2220000 + strlo r3, [r0, #0x0] + strhs r3, [r0, #0x8] + mov r3, #0xDA + strb r3, [r1] + strb r3, [r1] + + ldr r3, =ESDCTL_0xB2220000 + strlo r3, [r0, #0x0] + strhs r3, [r0, #0x8] + tst r2, #0x1 + ldreq r4, =ESDCTL_DDR2_MR + ldrne r4, =ESDCTL_MDDR_MR + mov r3, #0xDA + strb r3, [r1, r4] + ldreq r4, =ESDCTL_DDR2_OCD_DEFAULT + streqb r3, [r1, r4] + ldreq r4, =ESDCTL_DDR2_EN_DLL + ldrne r4, =ESDCTL_MDDR_EMR + strb r3, [r1, r4] + + cmp r1, #CSD1_BASE_ADDR + ldr r3, =ESDCTL_0x82228080 + strlo r3, [r0, #0x0] + strhs r3, [r0, #0x8] + + tst r2, #0x1 + moveq r4, #0x20000 + movne r4, #0x200 +1: subs r4, r4, #1 + bne 1b + + str r3, [r1, #0x100] + ldr r4, [r1, #0x100] + cmp r3, r4 + movne r3, #1 + moveq r3, #0 + + mov pc, lr diff --git a/board/freescale/mx35pdk/mx35pdk.c b/board/freescale/mx35pdk/mx35pdk.c new file mode 100644 index 0000000..da926e5 --- /dev/null +++ b/board/freescale/mx35pdk/mx35pdk.c @@ -0,0 +1,297 @@ +/* + * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> + * + * (C) Copyright 2008-2010 Freescale Semiconductor, Inc. + * + * 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/imx-regs.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/mx35_pins.h> +#include <asm/arch/iomux.h> +#include <i2c.h> +#include <fsl_pmic.h> +#include <mc9sdz60.h> +#include <mc13892.h> +#include <linux/types.h> +#include <mxc_gpio.h> +#include <asm/arch/sys_proto.h> +#include <netdev.h> + +#ifndef BOARD_LATE_INIT +#error "BOARD_LATE_INIT must be set for this board" +#endif + +#ifndef CONFIG_BOARD_EARLY_INIT_F +#error "CONFIG_BOARD_EARLY_INIT_F must be set for this board" +#endif + +#define mdelay(n) ({unsigned long msec = (n); while (msec--) udelay(1000); }) + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, + PHYS_SDRAM_1_SIZE); + + return 0; +} + +static void setup_iomux_i2c(void) +{ + int pad; + + /* setup pins for I2C1 */ + mxc_request_iomux(MX35_PIN_I2C1_CLK, MUX_CONFIG_SION); + mxc_request_iomux(MX35_PIN_I2C1_DAT, MUX_CONFIG_SION); + + pad = (PAD_CTL_HYS_SCHMITZ | PAD_CTL_PKE_ENABLE \ + | PAD_CTL_PUE_PUD | PAD_CTL_ODE_OpenDrain); + + mxc_iomux_set_pad(MX35_PIN_I2C1_CLK, pad); + mxc_iomux_set_pad(MX35_PIN_I2C1_DAT, pad); +} + + +static void setup_iomux_spi(void) +{ + mxc_request_iomux(MX35_PIN_CSPI1_MOSI, MUX_CONFIG_SION); + mxc_request_iomux(MX35_PIN_CSPI1_MISO, MUX_CONFIG_SION); + mxc_request_iomux(MX35_PIN_CSPI1_SS0, MUX_CONFIG_SION); + mxc_request_iomux(MX35_PIN_CSPI1_SS1, MUX_CONFIG_SION); + mxc_request_iomux(MX35_PIN_CSPI1_SCLK, MUX_CONFIG_SION); +} + +static void setup_iomux_fec(void) +{ + int pad; + + /* setup pins for FEC */ + mxc_request_iomux(MX35_PIN_FEC_TX_CLK, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_RX_CLK, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_RX_DV, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_COL, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_RDATA0, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_TDATA0, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_TX_EN, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_MDC, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_MDIO, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_TX_ERR, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_RX_ERR, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_CRS, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_RDATA1, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_TDATA1, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_RDATA2, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_TDATA2, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_RDATA3, MUX_CONFIG_FUNC); + mxc_request_iomux(MX35_PIN_FEC_TDATA3, MUX_CONFIG_FUNC); + + pad = (PAD_CTL_DRV_3_3V | PAD_CTL_PUE_PUD | PAD_CTL_ODE_CMOS | \ + PAD_CTL_DRV_NORMAL | PAD_CTL_SRE_SLOW); + + mxc_iomux_set_pad(MX35_PIN_FEC_TX_CLK, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_RX_CLK, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_RX_DV, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_COL, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_RDATA0, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_TDATA0, pad | PAD_CTL_HYS_CMOS | \ + PAD_CTL_PKE_NONE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_TX_EN, pad | PAD_CTL_HYS_CMOS | \ + PAD_CTL_PKE_NONE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_MDC, pad | PAD_CTL_HYS_CMOS | \ + PAD_CTL_PKE_NONE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_MDIO, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_22K_PU); + mxc_iomux_set_pad(MX35_PIN_FEC_TX_ERR, pad | PAD_CTL_HYS_CMOS | \ + PAD_CTL_PKE_NONE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_RX_ERR, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_CRS, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_RDATA1, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_TDATA1, pad | PAD_CTL_HYS_CMOS | \ + PAD_CTL_PKE_NONE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_RDATA2, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_TDATA2, pad | PAD_CTL_HYS_CMOS | \ + PAD_CTL_PKE_NONE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_RDATA3, pad | PAD_CTL_HYS_SCHMITZ | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_100K_PD); + mxc_iomux_set_pad(MX35_PIN_FEC_TDATA3, pad | PAD_CTL_HYS_CMOS | \ + PAD_CTL_PKE_NONE | PAD_CTL_100K_PD); +} + +int board_early_init_f(void) +{ + struct ccm_regs *ccm = + (struct ccm_regs *)IMX_CCM_BASE; + + /* enable clocks */ + writel(readl(&ccm->cgr0) | + MXC_CCM_CGR0_EMI_MASK | + MXC_CCM_CGR0_EDI0_MASK | + MXC_CCM_CGR0_EPIT1_MASK, + &ccm->cgr0); + + writel(readl(&ccm->cgr1) | + MXC_CCM_CGR1_FEC_MASK | + MXC_CCM_CGR1_GPIO1_MASK | + MXC_CCM_CGR1_GPIO2_MASK | + MXC_CCM_CGR1_GPIO3_MASK | + MXC_CCM_CGR1_I2C1_MASK | + MXC_CCM_CGR1_I2C2_MASK | + MXC_CCM_CGR1_IPU_MASK, + &ccm->cgr1); + + /* Setup NAND */ + __raw_writel(readl(&ccm->rcsr) | MXC_CCM_RCSR_NFC_FMS, &ccm->rcsr); + + setup_iomux_i2c(); + setup_iomux_fec(); + setup_iomux_spi(); + + return 0; +} + +int board_init(void) +{ + gd->bd->bi_arch_number = MACH_TYPE_MX35_3DS; /* board id for linux */ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +static inline int pmic_detect(void) +{ + int id; + + id = pmic_reg_read(REG_IDENTIFICATION); + + id = (id >> 6) & 0x7; + if (id == 0x7) + return 1; + return 0; +} + +u32 get_board_rev(void) +{ + int rev; + + rev = pmic_detect(); + + return (get_cpu_rev() & ~(0xF << 8)) | (rev & 0xF) << 8; +} + +int board_late_init(void) +{ + u8 val; + u32 pmic_val; + + if (pmic_detect()) { + mxc_request_iomux(MX35_PIN_WATCHDOG_RST, MUX_CONFIG_SION | + MUX_CONFIG_ALT1); + + pmic_val = pmic_reg_read(REG_SETTING_0); + pmic_reg_write(REG_SETTING_0, pmic_val | VO_1_30V | VO_1_50V); + pmic_val = pmic_reg_read(REG_MODE_0); + pmic_reg_write(REG_MODE_0, pmic_val | VGEN3EN); + + mxc_request_iomux(MX35_PIN_COMPARE, MUX_CONFIG_GPIO); + mxc_iomux_set_input(MUX_IN_GPIO1_IN_5, INPUT_CTL_PATH0); + + mxc_gpio_direction(37, MXC_GPIO_DIRECTION_OUT); + mxc_gpio_set(37, 1); + } + + val = mc9sdz60_reg_read(MC9SDZ60_REG_GPIO_1) | 0x04; + mc9sdz60_reg_write(MC9SDZ60_REG_GPIO_1, val); + mdelay(200); + + val = mc9sdz60_reg_read(MC9SDZ60_REG_RESET_1) & 0x7F; + mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1, val); + mdelay(200); + + val |= 0x80; + mc9sdz60_reg_write(MC9SDZ60_REG_RESET_1, val); + + return 0; +} + +int checkboard(void) +{ + struct ccm_regs *ccm = + (struct ccm_regs *)IMX_CCM_BASE; + u32 cpu_rev = get_cpu_rev(); + + /* + * Be sure that I2C is initialized to check + * the board revision + */ + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + + /* Print board revision */ + printf("Board: MX35 PDK %d.0 ", ((get_board_rev() >> 8) + 1) & 0x0F); + + /* Print CPU revision */ + printf("i.MX35 %d.%d [", (cpu_rev & 0xF0) >> 4, cpu_rev & 0x0F); + + switch (readl(&ccm->rcsr) & 0x0F) { + case 0x0000: + puts("POR"); + break; + case 0x0002: + puts("JTAG"); + break; + case 0x0004: + puts("RST"); + break; + case 0x0008: + puts("WDT"); + break; + default: + puts("unknown"); + } + puts("]\n"); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + int rc = -ENODEV; +#if defined(CONFIG_SMC911X) + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + + cpu_eth_init(bis); + + return rc; +} diff --git a/board/freescale/mx35pdk/mx35pdk.h b/board/freescale/mx35pdk/mx35pdk.h new file mode 100644 index 0000000..409aeb2 --- /dev/null +++ b/board/freescale/mx35pdk/mx35pdk.h @@ -0,0 +1,101 @@ +/* + * + * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> + * + * (C) Copyright 2008-2009 Freescale Semiconductor, Inc. + * + * 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 + */ + +#ifndef __BOARD_MX35_3STACK_H +#define __BOARD_MX35_3STACK_H + +#define AIPS_MPR_CONFIG 0x77777777 +#define AIPS_OPACR_CONFIG 0x00000000 + +/* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */ +#define MAX_MPR_CONFIG 0x00302154 +/* SGPCR - always park on last master */ +#define MAX_SGPCR_CONFIG 0x00000010 +/* MGPCR - restore default values */ +#define MAX_MGPCR_CONFIG 0x00000000 + +/* + * M3IF Control Register (M3IFCTL) + * MRRP[0] = L2CC0 not on priority list (0 << 0) = 0x00000000 + * MRRP[1] = L2CC1 not on priority list (0 << 0) = 0x00000000 + * MRRP[2] = MBX not on priority list (0 << 0) = 0x00000000 + * MRRP[3] = MAX1 not on priority list (0 << 0) = 0x00000000 + * MRRP[4] = SDMA not on priority list (0 << 0) = 0x00000000 + * MRRP[5] = MPEG4 not on priority list (0 << 0) = 0x00000000 + * MRRP[6] = IPU1 on priority list (1 << 6) = 0x00000040 + * MRRP[7] = IPU2 not on priority list (0 << 0) = 0x00000000 + * ------------ + * 0x00000040 + */ +#define M3IF_CONFIG 0x00000040 + +#define DBG_BASE_ADDR WEIM_CTRL_CS5 +#define DBG_CSCR_U_CONFIG 0x0000D843 +#define DBG_CSCR_L_CONFIG 0x22252521 +#define DBG_CSCR_A_CONFIG 0x22220A00 + +#define CCM_CCMR_CONFIG 0x003F4208 +#define CCM_PDR0_CONFIG 0x00801000 + +#define PLL_BRM_OFFSET 31 +#define PLL_PD_OFFSET 26 +#define PLL_MFD_OFFSET 16 +#define PLL_MFI_OFFSET 10 + +#define _PLL_BRM(x) ((x) << PLL_BRM_OFFSET) +#define _PLL_PD(x) (((x) - 1) << PLL_PD_OFFSET) +#define _PLL_MFD(x) (((x) - 1) << PLL_MFD_OFFSET) +#define _PLL_MFI(x) ((x) << PLL_MFI_OFFSET) +#define _PLL_MFN(x) (x) +#define _PLL_SETTING(brm, pd, mfd, mfi, mfn) \ + (_PLL_BRM(brm) | _PLL_PD(pd) | _PLL_MFD(mfd) | _PLL_MFI(mfi) |\ + _PLL_MFN(mfn)) + +#define CCM_MPLL_532_HZ _PLL_SETTING(1, 1, 12, 11, 1) +#define CCM_MPLL_399_HZ _PLL_SETTING(0, 1, 16, 8, 5) +#define CCM_PPLL_300_HZ _PLL_SETTING(0, 1, 4, 6, 1) + +/* MEMORY SETTING */ +#define ESDCTL_0x92220000 0x92220000 +#define ESDCTL_0xA2220000 0xA2220000 +#define ESDCTL_0xB2220000 0xB2220000 +#define ESDCTL_0x82228080 0x82228080 + +#define ESDCTL_PRECHARGE 0x00000400 + +#define ESDCTL_MDDR_CONFIG 0x007FFC3F +#define ESDCTL_MDDR_MR 0x00000033 +#define ESDCTL_MDDR_EMR 0x02000000 + +#define ESDCTL_DDR2_CONFIG 0x007FFC3F +#define ESDCTL_DDR2_EMR2 0x04000000 +#define ESDCTL_DDR2_EMR3 0x06000000 +#define ESDCTL_DDR2_EN_DLL 0x02000400 +#define ESDCTL_DDR2_RESET_DLL 0x00000333 +#define ESDCTL_DDR2_MR 0x00000233 +#define ESDCTL_DDR2_OCD_DEFAULT 0x02000780 + +#define ESDCTL_DELAY_LINE5 0x00F49F00 +#endif /* __BOARD_MX35_3STACK_H */ |