diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx51_3stack/Makefile | 49 | ||||
| -rw-r--r-- | board/freescale/mx51_3stack/board-mx51_3stack.h | 64 | ||||
| -rw-r--r-- | board/freescale/mx51_3stack/config.mk | 1 | ||||
| -rw-r--r-- | board/freescale/mx51_3stack/flash_header.S | 113 | ||||
| -rw-r--r-- | board/freescale/mx51_3stack/lowlevel_init.S | 303 | ||||
| -rw-r--r-- | board/freescale/mx51_3stack/mx51_3stack.c | 211 | ||||
| -rw-r--r-- | board/freescale/mx51_3stack/u-boot.lds | 72 |
7 files changed, 813 insertions, 0 deletions
diff --git a/board/freescale/mx51_3stack/Makefile b/board/freescale/mx51_3stack/Makefile new file mode 100644 index 0000000..f665a2d --- /dev/null +++ b/board/freescale/mx51_3stack/Makefile @@ -0,0 +1,49 @@ +# +# Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> +# +# (C) Copyright 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).a + +COBJS := mx51_3stack.o +SOBJS := lowlevel_init.o flash_header.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/mx51_3stack/board-mx51_3stack.h b/board/freescale/mx51_3stack/board-mx51_3stack.h new file mode 100644 index 0000000..d7c30c1 --- /dev/null +++ b/board/freescale/mx51_3stack/board-mx51_3stack.h @@ -0,0 +1,64 @@ +/* + * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. + */ + +/* + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#ifndef __BOARD_FREESCALE_BOARD_MX51_3STACK_H__ +#define __BOARD_FREESCALE_BOARD_MX51_3STACK_H__ + +/*! + * @defgroup BRDCFG_MX51 Board Configuration Options + * @ingroup MSL_MX51 + */ + +/*! + * @file mx51_3stack/board-mx51_3stack.h + * + * @brief This file contains all the board level configuration options. + * + * It currently hold the options defined for MX51 3Stack Platform. + * + * @ingroup BRDCFG_MX51 + */ + +/* CPLD offsets */ +#define PBC_LED_CTRL (0x20000) +#define PBC_SB_STAT (0x20008) +#define PBC_ID_AAAA (0x20040) +#define PBC_ID_5555 (0x20048) +#define PBC_VERSION (0x20050) +#define PBC_ID_CAFE (0x20058) +#define PBC_INT_STAT (0x20010) +#define PBC_INT_MASK (0x20038) +#define PBC_INT_REST (0x20020) +#define PBC_SW_RESET (0x20060) + +/* LED switchs */ +#define LED_SWITCH_REG 0x00 +/* buttons */ +#define SWITCH_BUTTONS_REG 0x08 +/* status, interrupt */ +#define INTR_STATUS_REG 0x10 +#define INTR_MASK_REG 0x38 +#define INTR_RESET_REG 0x20 +/* magic word for debug CPLD */ +#define MAGIC_NUMBER1_REG 0x40 +#define MAGIC_NUMBER2_REG 0x48 +/* CPLD code version */ +#define CPLD_CODE_VER_REG 0x50 +/* magic word for debug CPLD */ +#define MAGIC_NUMBER3_REG 0x58 +/* module reset register*/ +#define MODULE_RESET_REG 0x60 +/* CPU ID and Personality ID */ +#define MCU_BOARD_ID_REG 0x68 + +#endif /* __BOARD_FREESCALE_BOARD_MX51_3STACK_H__ */ diff --git a/board/freescale/mx51_3stack/config.mk b/board/freescale/mx51_3stack/config.mk new file mode 100644 index 0000000..ce7369d --- /dev/null +++ b/board/freescale/mx51_3stack/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x97800000 diff --git a/board/freescale/mx51_3stack/flash_header.S b/board/freescale/mx51_3stack/flash_header.S new file mode 100644 index 0000000..794ab6b --- /dev/null +++ b/board/freescale/mx51_3stack/flash_header.S @@ -0,0 +1,113 @@ +/* + * Copyright 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 <config.h> +#include <asm/arch/mx51.h> +#include "board-mx51_3stack.h" + +#ifdef CONFIG_FLASH_HEADER +#ifndef CONFIG_FLASH_HEADER_OFFSET +# error "Must define the offset of flash header" +#endif +#define MXC_DCD_ITEM(i, type, addr, val) \ +dcd_node_##i: \ + .word type ; \ + .word addr ; \ + .word val ; \ + +.section ".text.flasheader", "x" + b _start + .org CONFIG_FLASH_HEADER_OFFSET +app_code_jump_v: .word _start +app_code_code_barker: .word CONFIG_FLASH_HEADER_BARKER +app_code_csf: .word 0 +dcd_ptr_ptr: .word dcd_ptr +super_root_key: .word 0 +dcd_ptr: .word dcd_array_start +app_dest_ptr: .word TEXT_BASE +dcd_array_start: +magic: .word 0xB17219E9 +dcd_array_size: .word dcd_data_end - dcd_array_start - 8 +/* DCD */ +/* DDR2 IOMUX configuration */ +MXC_DCD_ITEM(1, 4, IOMUXC_BASE_ADDR + 0x8a0, 0x200) +MXC_DCD_ITEM(2, 4, IOMUXC_BASE_ADDR + 0x50c, 0x20c5) +MXC_DCD_ITEM(3, 4, IOMUXC_BASE_ADDR + 0x510, 0x20c5) +MXC_DCD_ITEM(4, 4, IOMUXC_BASE_ADDR + 0x83c, 0x2) +MXC_DCD_ITEM(5, 4, IOMUXC_BASE_ADDR + 0x848, 0x2) +MXC_DCD_ITEM(6, 4, IOMUXC_BASE_ADDR + 0x4b8, 0xe7) +MXC_DCD_ITEM(7, 4, IOMUXC_BASE_ADDR + 0x4bc, 0x45) +MXC_DCD_ITEM(8, 4, IOMUXC_BASE_ADDR + 0x4c0, 0x45) +MXC_DCD_ITEM(9, 4, IOMUXC_BASE_ADDR + 0x4c4, 0x45) +MXC_DCD_ITEM(10, 4, IOMUXC_BASE_ADDR + 0x4c8, 0x45) +MXC_DCD_ITEM(11, 4, IOMUXC_BASE_ADDR + 0x820, 0x0) +MXC_DCD_ITEM(12, 4, IOMUXC_BASE_ADDR + 0x4a4, 0x3) +MXC_DCD_ITEM(13, 4, IOMUXC_BASE_ADDR + 0x4a8, 0x3) +MXC_DCD_ITEM(14, 4, IOMUXC_BASE_ADDR + 0x4ac, 0xe3) +MXC_DCD_ITEM(15, 4, IOMUXC_BASE_ADDR + 0x4b0, 0xe3) +MXC_DCD_ITEM(16, 4, IOMUXC_BASE_ADDR + 0x4b4, 0xe3) +MXC_DCD_ITEM(17, 4, IOMUXC_BASE_ADDR + 0x4cc, 0xe3) +MXC_DCD_ITEM(18, 4, IOMUXC_BASE_ADDR + 0x4d0, 0xe2) +/* Set drive strength to MAX */ +MXC_DCD_ITEM(19, 4, IOMUXC_BASE_ADDR + 0x82c, 0x6) +MXC_DCD_ITEM(20, 4, IOMUXC_BASE_ADDR + 0x8a4, 0x6) +MXC_DCD_ITEM(21, 4, IOMUXC_BASE_ADDR + 0x8ac, 0x6) +MXC_DCD_ITEM(22, 4, IOMUXC_BASE_ADDR + 0x8b8, 0x6) +/* 13 ROW, 10 COL, 32Bit, SREF=4 Micron Model */ +/* CAS=3, BL=4 */ +MXC_DCD_ITEM(23, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDCTL0, 0x82a20000) +MXC_DCD_ITEM(24, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDCTL1, 0x82a20000) +MXC_DCD_ITEM(25, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDMISC, 0x000ad0d0) +MXC_DCD_ITEM(26, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDCFG0, 0x333574aa) +MXC_DCD_ITEM(27, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDCFG1, 0x333574aa) +/* Init DRAM on CS0 */ +MXC_DCD_ITEM(28, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x04008008) +MXC_DCD_ITEM(29, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0000801a) +MXC_DCD_ITEM(30, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0000801b) +MXC_DCD_ITEM(31, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00448019) +MXC_DCD_ITEM(32, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x07328018) +MXC_DCD_ITEM(33, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x04008008) +MXC_DCD_ITEM(34, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00008010) +MXC_DCD_ITEM(35, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00008010) +MXC_DCD_ITEM(36, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x06328018) +MXC_DCD_ITEM(37, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x03808019) +MXC_DCD_ITEM(38, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00408019) +MXC_DCD_ITEM(39, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00008000) +/* Init DRAM on CS1 */ +MXC_DCD_ITEM(40, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0400800c) +MXC_DCD_ITEM(41, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0000801e) +MXC_DCD_ITEM(42, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0000801f) +MXC_DCD_ITEM(43, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0000801d) +MXC_DCD_ITEM(44, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0732801c) +MXC_DCD_ITEM(45, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0400800c) +MXC_DCD_ITEM(46, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00008014) +MXC_DCD_ITEM(47, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00008014) +MXC_DCD_ITEM(48, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0632801c) +MXC_DCD_ITEM(49, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0380801d) +MXC_DCD_ITEM(50, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x0040801d) +MXC_DCD_ITEM(51, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00008004) +MXC_DCD_ITEM(52, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDCTL0, 0xb2a20000) +MXC_DCD_ITEM(53, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDCTL1, 0xb2a20000) +MXC_DCD_ITEM(54, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDMISC, 0x000ad6d0) +MXC_DCD_ITEM(55, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDCDLYGD, 0x90000000) +MXC_DCD_ITEM(56, 4, ESDCTL_BASE_ADDR + ESDCTL_ESDSCR, 0x00000000) +dcd_data_end: +image_len: .word 0x40000 +//image_len: .word _end - _start +#endif diff --git a/board/freescale/mx51_3stack/lowlevel_init.S b/board/freescale/mx51_3stack/lowlevel_init.S new file mode 100644 index 0000000..fa15ddf --- /dev/null +++ b/board/freescale/mx51_3stack/lowlevel_init.S @@ -0,0 +1,303 @@ +/* + * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> + * + * (C) Copyright 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 <config.h> +#include <asm/arch/mx51.h> +#include "board-mx51_3stack.h" + +/* + * return soc version + * 0x10: TO1 + * 0x20: TO2 + * 0x30: TO3 + */ +.macro check_soc_version ret, tmp +.endm + +/* + * L2CC Cache setup/invalidation/disable + */ +.macro init_l2cc + /* reconfigure L2 cache aux control reg */ + ldr r0, =0x03C000C4 + mcr p15, 1, r0, c9, c0, 2 +.endm /* init_l2cc */ + +/* 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, =0x77777777 + str r1, [r0, #0x0] + str r1, [r0, #0x4] + ldr r0, =AIPS2_BASE_ADDR + str r1, [r0, #0x0] + str r1, [r0, #0x4] + /* + * 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 + */ +.endm /* init_aips */ + +/* MAX (Multi-Layer AHB Crossbar Switch) setup */ +.macro init_max +.endm /* init_max */ + +/* M4IF setup */ +.macro init_m4if + /* VPU and IPU given higher priority (0x4) + * IPU accesses with ID=0x1 given highest priority (=0xA) + */ + ldr r0, =M4IF_BASE_ADDR + ldr r1, =0x00000a01 + str r1, [r0, #0x48] + ldr r1, =0x00000404 + str r1, [r0, #0x40] +.endm /* init_m4if */ + +/* To support 133MHz DDR */ +.macro init_drive_strength +.endm /* init_drive_strength */ + +/* CPLD on CS5 setup */ +.macro init_debug_board +.endm /* init_debug_board */ + +.macro setup_pll pll, freq + ldr r2, =\pll + ldr r1, =0x00001232 + str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */ + mov r1, #0x2 + str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */ + + str r3, [r2, #PLL_DP_OP] + str r3, [r2, #PLL_DP_HFS_OP] + + str r4, [r2, #PLL_DP_MFD] + str r4, [r2, #PLL_DP_HFS_MFD] + + str r5, [r2, #PLL_DP_MFN] + str r5, [r2, #PLL_DP_HFS_MFN] + + ldr r1, =0x00001232 + str r1, [r2, #PLL_DP_CTL] +1: ldr r1, [r2, #PLL_DP_CTL] + ands r1, r1, #0x1 + beq 1b +.endm + +.macro init_clock + ldr r0, =CCM_BASE_ADDR + mov r1, #0x00060000 + str r1, [r0, #CLKCTL_CCDR] + + /* Switch ARM to step clock */ + mov r1, #0x4 + str r1, [r0, #CLKCTL_CCSR] + + mov r3, #DP_OP_800 + mov r4, #DP_MFD_800 + mov r5, #DP_MFN_800 + setup_pll PLL1_BASE_ADDR + mov r3, #DP_OP_665 + mov r4, #DP_MFD_665 + mov r5, #DP_MFN_665 + setup_pll PLL3_BASE_ADDR + + /* Switch peripheral to PLL 3 */ + ldr r1, =0x0000D3C0 + str r1, [r0, #CLKCTL_CBCMR] + ldr r1, =0x033B9145 + str r1, [r0, #CLKCTL_CBCDR] + mov r3, #DP_OP_665 + mov r4, #DP_MFD_665 + mov r5, #DP_MFN_665 + setup_pll PLL2_BASE_ADDR + + /* Switch peripheral to PLL2 */ + ldr r1, =0x013B9145 + str r1, [r0, #CLKCTL_CBCDR] + ldr r1, =0x0000E3C0 + str r1, [r0, #CLKCTL_CBCMR] + + mov r3, #DP_OP_216 + mov r4, #DP_MFD_216 + mov r5, #DP_MFN_216 + setup_pll PLL3_BASE_ADDR + + /* Set the platform clock dividers */ + ldr r2, =ARM_BASE_ADDR + ldr r1, =0x00000725 + str r1, [r2, #0x14] + + /* Switch ARM back to PLL 1 */ + mov r1, #0 + str r1, [r0, #CLKCTL_CCSR] + str r1, [r0, #CLKCTL_CACRR] + + /* Use lp_apm (24MHz) source for perclk */ + mov r2, #0x48 + ldr r2, [r0] + cmp r2, #0x10 + ldrhs r1, =0x000020C2 + ldrlo r1, =0x0000E3C2 + str r1, [r0, #CLKCTL_CBCMR] + /* TO1.x emi = ahb, all perclk dividers are 1 since using 24MHz */ + /* TO2.x ddr from PLL1, all perclk dividers are 1 since using 24MHz */ + ldrhs r1, =0x59239100 + ldrlo r1, =0x013D9100 + strlo r1, [r0, #CLKCTL_CBCDR] + + /* use PLL2 for UART source, get 66.5MHz */ + ldr r1, =0xA5A2A020 + str r1, [r0, #CLKCTL_CSCMR1] + ldr r1, =0x00C30321 + str r1, [r0, #CLKCTL_CSCDR1] + + /* make sure divider effective */ +1: ldr r1, [r0, #CLKCTL_CDHIPR] + cmp r1, #0 + bne 1b + + mov r1, #0x0 + str r1, [r0, #CLKCTL_CCDR] +.endm + +.macro setup_wdog + ldr r0, =WDOG1_BASE_ADDR + mov r1, #0x30 + strh r1, [r0] +.endm + +.macro setup_sdram + ldr r0, =ESDCTL_BASE_ADDR + mov r2, #0x48 + ldr r2, [r2] + cmp r2, #0x10 + bhs 1f + /* Set CSD0 */ + mov r1, #0x80000000 + str r1, [r0, #ESDCTL_ESDCTL0] + /* Precharge command */ + ldr r1, DDR_PERCHARGE_CMD + str r1, [r0, #ESDCTL_ESDSCR] + /* 2 refresh commands */ + ldr r1, DDR_REFRESH_CMD + str r1, [r0, #ESDCTL_ESDSCR] + str r1, [r0, #ESDCTL_ESDSCR] + /* LMR with CAS=3 and BL=3 */ + ldr r1, DDR_LMR1_W + str r1, [r0, #ESDCTL_ESDSCR] + /* 13 ROW, 10 COL, 32Bit, SREF=4 Micron Model */ + ldr r1, DDR_LMR_CMD + str r1, [r0, #ESDCTL_ESDCTL0] + /* Timing parameters */ + ldr r1, DDR_TIMING_W + str r1, [r0, #ESDCTL_ESDCFG0] + /* MDDR enable, RLAT=2 */ + ldr r1, DDR_MISC_W + str r1, [r0, #ESDCTL_ESDMISC] + /* Normal mode */ + mov r1, #0x00000000 + str r1, [r0, #ESDCTL_ESDSCR] +1: +.endm /* setup_sdram */ + +.section ".text.init", "x" + +.globl lowlevel_init +lowlevel_init: + /* Platform CHIP level init*/ +#ifdef TURN_OFF_IMPRECISE_ABORT + mrs r0, cpsr + bic r0, r0, #0x100 + msr cpsr, r0 +#endif + + mrc 15, 0, r1, c1, c0, 0 + +#ifndef BRANCH_PREDICTION_ENABLE + mrc 15, 0, r0, c1, c0, 1 + bic r0, r0, #7 + mcr 15, 0, r0, c1, c0, 1 +#else + mrc 15, 0, r0, c1, c0, 1 + orr r0, r0, #7 + mcr 15, 0, r0, c1, c0, 1 + orr r1, r1, #(1<<11) +#endif + +#ifdef UNALIGNED_ACCESS_ENABLE + orr r1, r1, #(1<<22) +#endif + +#ifdef LOW_INT_LATENCY_ENABLE + orr r1, r1, #(1<<21) +#endif + mcr 15, 0, r1, c1, c0, 0 + + mov r0, #0 +#ifdef BRANCH_PREDICTION_ENABLE + mcr 15, 0, r0, c15, c2, 4 +#endif + mcr 15, 0, r0, c7, c10, 4 /* Drain the write buffer */ + + init_l2cc + + init_aips + + setup_wdog + + init_max + + init_m4if + + init_drive_strength + + cmp pc, #PHYS_SDRAM_1 + blo do_sdram_setup + cmp pc, #(PHYS_SDRAM_1 + PHYS_SDRAM_1_SIZE) + blo init_clock_start + +do_sdram_setup: + setup_sdram + +init_clock_start: + init_clock + init_debug_board + /*init_sdram*/ + + /* return from mxc_nand_load */ + /* r12 saved upper lr*/ + b mxc_nand_load + +/* Board level setting value */ +DDR_PERCHARGE_CMD: .word 0x04008008 +DDR_REFRESH_CMD: .word 0x00008010 +DDR_LMR1_W: .word 0x00338018 +DDR_LMR_CMD: .word 0xB2220000 +DDR_TIMING_W: .word 0xB02567A9 +DDR_MISC_W: .word 0x000A0104 diff --git a/board/freescale/mx51_3stack/mx51_3stack.c b/board/freescale/mx51_3stack/mx51_3stack.c new file mode 100644 index 0000000..c7f93aa --- /dev/null +++ b/board/freescale/mx51_3stack/mx51_3stack.c @@ -0,0 +1,211 @@ +/* + * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> + * + * (C) Copyright 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 + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/errno.h> +#include <asm/arch/mx51.h> +#include <asm/arch/mx51_pins.h> +#include <asm/arch/iomux.h> +#include <i2c.h> +#include "board-mx51_3stack.h" + +DECLARE_GLOBAL_DATA_PTR; + +static u32 system_rev; +u32 mx51_io_base_addr; + +u32 get_board_rev(void) +{ + return system_rev; +} + +static inline void setup_soc_rev(void) +{ + int reg; + reg = __REG(ROM_SI_REV); + switch (reg) { + case 0x02: + system_rev = 0x51000 | CHIP_REV_1_1; + break; + case 0x10: + system_rev = 0x51000 | CHIP_REV_2_0; + break; + default: + system_rev = 0x51000 | CHIP_REV_1_0; + } +} + +static inline void set_board_rev(int rev) +{ + system_rev |= (rev & 0xF) << 8; +} + +inline int is_soc_rev(int rev) +{ + return (system_rev & 0xFF) - rev; +} + +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; +} + +static void setup_uart(void) +{ + unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | + PAD_CTL_PUE_PULL | PAD_CTL_DRV_HIGH; + mxc_request_iomux(MX51_PIN_UART1_RXD, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_UART1_RXD, pad | PAD_CTL_SRE_FAST); + mxc_request_iomux(MX51_PIN_UART1_TXD, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_UART1_TXD, pad | PAD_CTL_SRE_FAST); + mxc_request_iomux(MX51_PIN_UART1_RTS, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_UART1_RTS, pad); + mxc_request_iomux(MX51_PIN_UART1_CTS, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_UART1_CTS, pad); +} + +void setup_nfc(void) +{ + /* Enable NFC IOMUX */ + mxc_request_iomux(MX51_PIN_NANDF_CS0, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX51_PIN_NANDF_CS1, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX51_PIN_NANDF_CS2, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX51_PIN_NANDF_CS3, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX51_PIN_NANDF_CS4, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX51_PIN_NANDF_CS5, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX51_PIN_NANDF_CS6, IOMUX_CONFIG_ALT0); + mxc_request_iomux(MX51_PIN_NANDF_CS7, IOMUX_CONFIG_ALT0); +} + +static void setup_expio(void) +{ + u32 reg; + /* CS5 setup */ + mxc_request_iomux(MX51_PIN_EIM_CS5, IOMUX_CONFIG_ALT0); + writel(0x00410089, WEIM_BASE_ADDR + 0x78 + CSGCR1); + writel(0x00000002, WEIM_BASE_ADDR + 0x78 + CSGCR2); + /* RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */ + writel(0x32260000, WEIM_BASE_ADDR + 0x78 + CSRCR1); + /* APR = 0 */ + writel(0x00000000, WEIM_BASE_ADDR + 0x78 + CSRCR2); + /* WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0, WEN=0, + * WCSA=0, WCSN=0 + */ + writel(0x72080F00, WEIM_BASE_ADDR + 0x78 + CSWCR1); + if ((readw(CS5_BASE_ADDR + PBC_ID_AAAA) == 0xAAAA) && + (readw(CS5_BASE_ADDR + PBC_ID_5555) == 0x5555)) { + if (is_soc_rev(CHIP_REV_2_0) < 0) { + reg = readl(CCM_BASE_ADDR + CLKCTL_CBCDR); + reg = (reg & (~0x70000)) | 0x30000; + writel(reg, CCM_BASE_ADDR + CLKCTL_CBCDR); + /* make sure divider effective */ + while (readl(CCM_BASE_ADDR + CLKCTL_CDHIPR) != 0) + ; + writel(0x0, CCM_BASE_ADDR + CLKCTL_CCDR); + } + mx51_io_base_addr = CS5_BASE_ADDR; + } else { + /* CS1 */ + writel(0x00410089, WEIM_BASE_ADDR + 0x18 + CSGCR1); + writel(0x00000002, WEIM_BASE_ADDR + 0x18 + CSGCR2); + /* RWSC=50, RADVA=2, RADVN=6, OEA=0, OEN=0, RCSA=0, RCSN=0 */ + writel(0x32260000, WEIM_BASE_ADDR + 0x18 + CSRCR1); + /* APR=0 */ + writel(0x00000000, WEIM_BASE_ADDR + 0x18 + CSRCR2); + /* WAL=0, WBED=1, WWSC=50, WADVA=2, WADVN=6, WEA=0, + * WEN=0, WCSA=0, WCSN=0 + */ + writel(0x72080F00, WEIM_BASE_ADDR + 0x18 + CSWCR1); + mx51_io_base_addr = CS1_BASE_ADDR; + } + + /* Reset interrupt status reg */ + writew(0x1F, mx51_io_base_addr + PBC_INT_REST); + writew(0x00, mx51_io_base_addr + PBC_INT_REST); + writew(0xFFFF, mx51_io_base_addr + PBC_INT_MASK); + + /* Reset the XUART and Ethernet controllers */ + reg = readw(mx51_io_base_addr + PBC_SW_RESET); + reg |= 0x9; + writew(reg, mx51_io_base_addr + PBC_SW_RESET); + reg &= ~0x9; + writew(reg, mx51_io_base_addr + PBC_SW_RESET); +} + +int board_init(void) +{ + int pad; + setup_soc_rev(); + + gd->bd->bi_arch_number = MACH_TYPE_MX51_3DS; /* board id for linux */ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + setup_uart(); + setup_nfc(); + setup_expio(); + return 0; +} + +#ifdef BOARD_LATE_INIT +int board_late_init(void) +{ + return 0; +} +#endif + +int checkboard(void) +{ + printf("Board: MX51 3STACK ["); + switch (__REG(SRC_BASE_ADDR + 0x8)) { + case 0x0001: + printf("POR"); + break; + case 0x0009: + printf("RST"); + break; + case 0x0010: + case 0x0011: + printf("WDOG"); + break; + default: + printf("unknown"); + } + printf("]\n"); + return 0; +} + +#ifdef CONFIG_NET_MULTI +int board_eth_init(bd_t *bis) +{ + int rc = -ENODEV; +#if defined(CONFIG_DRIVER_SMC911X) + rc = smc911x_initialize(bis); +#endif + return rc; +} +#endif diff --git a/board/freescale/mx51_3stack/u-boot.lds b/board/freescale/mx51_3stack/u-boot.lds new file mode 100644 index 0000000..1cf3c3d --- /dev/null +++ b/board/freescale/mx51_3stack/u-boot.lds @@ -0,0 +1,72 @@ +/* + * January 2004 - Changed to support H4 device + * Copyright (c) 2004 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> + * + * (C) Copyright 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 + */ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + board/freescale/mx51_3stack/flash_header.o (.text.flasheader) + cpu/arm_cortexa8/start.o + board/freescale/mx51_3stack/libmx51_3stack.a (.text) + lib_arm/libarm.a (.text) + net/libnet.a (.text) + drivers/mtd/libmtd.a (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/env_embedded.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 = .; +} |