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m68k: add amcore board support

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Add Sysam Amcore m68k-based board support.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>
This commit is contained in:
angelo@sysam.it 2015-02-12 01:39:40 +01:00 committed by Tom Rini
parent a2bc4321e4
commit 06fd66a4aa
9 changed files with 376 additions and 0 deletions
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4
arch/m68k/Kconfig
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@ -67,6 +67,9 @@ config TARGET_M5475EVB
config TARGET_M5485EVB
bool "Support M5485EVB"
config TARGET_AMCORE
bool "Support AMCORE"
endchoice
source "board/BuS/eb_cpu5282/Kconfig"
@ -89,5 +92,6 @@ source "board/freescale/m54451evb/Kconfig"
source "board/freescale/m54455evb/Kconfig"
source "board/freescale/m547xevb/Kconfig"
source "board/freescale/m548xevb/Kconfig"
source "board/sysam/amcore/Kconfig"
endmenu

22
board/sysam/amcore/Kconfig Normal file
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@ -0,0 +1,22 @@
if TARGET_AMCORE
config SYS_CPU
string
default "mcf530x"
config SYS_BOARD
string
default "amcore"
config SYS_VENDOR
string
default "sysam"
config SYS_CONFIG_NAME
string
default "amcore"
endif

6
board/sysam/amcore/MAINTAINERS Normal file
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@ -0,0 +1,6 @@
AMCORE BOARD
M: Angelo Dureghello <angelo@sysam.it>
S: Maintained
F: board/sysam/amcore/
F: include/configs/amcore.h
F: configs/amcore_defconfig

7
board/sysam/amcore/Makefile Normal file
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@ -0,0 +1,7 @@
#
# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
#
# SPDX-License-Identifier: GPL-2.0+
#
obj-y = amcore.o

101
board/sysam/amcore/amcore.c Normal file
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@ -0,0 +1,101 @@
/*
* Board functions for Sysam AMCORE (MCF5307 based) board
*
* (C) Copyright 2015 Angelo Dureghello <angelo@sysam.it>
*
* SPDX-License-Identifier: GPL-2.0+
*
* This file copies memory testdram() from sandburst/common/sb_common.c
*/
#include <common.h>
#include <asm/immap.h>
#include <asm/io.h>
void init_lcd(void)
{
/* setup for possible K0108 lcd connected on the parallel port */
sim_t *sim = (sim_t *)(MMAP_SIM);
out_be16(&sim->par, 0x300);
gpio_t *gpio = (gpio_t *)(MMAP_GPIO);
out_be16(&gpio->paddr, 0xfcff);
out_be16(&gpio->padat, 0x0c00);
}
int checkboard(void)
{
puts("Board: ");
puts("AMCORE v.001(alpha)\n");
init_lcd();
return 0;
}
/*
* in initdram we are here executing from flash
* case 1:
* is with no ACR/flash cache enabled
* nop = 40ns (scope measured)
*/
void fudelay(int usec)
{
while (usec--)
asm volatile ("nop");
}
phys_size_t initdram(int board_type)
{
u32 dramsize, RC;
sdramctrl_t *dc = (sdramctrl_t *)(MMAP_DRAMC);
/*
* SDRAM MT48LC4M32B2 details
* Memory block 0: 16 MB of SDRAM at address $00000000
* Port size: 32-bit port
*
* Memory block 0 wired as follows:
* CPU : A15 A14 A13 A12 A11 A10 A9 A17 A18 A19 A20 A21 A22 A23
* SDRAM : A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 BA0 BA1
*
* Ensure that there is a delay of at least 100 microseconds from
* processor reset to the following code so that the SDRAM is ready
* for commands.
*/
fudelay(100);
/*
* DCR
* set proper RC as per specification
*/
RC = (CONFIG_SYS_CPU_CLK / 1000000) >> 1;
RC = (RC * 15) >> 4;
/* 0x8000 is the faster option */
out_be16(&dc->dcr, 0x8200 | RC);
/*
* DACR0, page mode continuous, CMD on A20 0x0300
*/
out_be32(&dc->dacr0, 0x00003304);
dramsize = ((CONFIG_SYS_SDRAM_SIZE)-1) & 0xfffc0000;
out_be32(&dc->dmr0, dramsize|1);
/* issue a PRECHARGE ALL */
out_be32(&dc->dacr0, 0x0000330c);
out_be32((u32 *)0x00000004, 0xbeaddeed);
/* issue AUTOREFRESH */
out_be32(&dc->dacr0, 0x0000b304);
/* let refresh occour */
fudelay(1);
out_be32(&dc->dacr0, 0x0000b344);
out_be32((u32 *)0x00000c00, 0xbeaddeed);
return get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_SIZE);
}

7
board/sysam/amcore/config.mk Normal file
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@ -0,0 +1,7 @@
#
# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
#
# SPDX-License-Identifier: GPL-2.0+
#
CONFIG_SYS_TEXT_BASE = 0xffc00000

87
board/sysam/amcore/u-boot.lds Normal file
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@ -0,0 +1,87 @@
/*
* Linker script for Sysam AMCORE board
*
* (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
*
* SPDX-License-Identifier: GPL-2.0+
*/
OUTPUT_ARCH(m68k)
SECTIONS
{
/* Read-only sections, merged into text segment: */
.text :
{
arch/m68k/cpu/mcf530x/start.o (.text)
. = DEFINED(env_offset) ? env_offset : .;
common/env_embedded.o (.text)
*(.text)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
}
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
__got_start = .;
KEEP(*(.got))
__got_end = .;
_GOT2_TABLE_ = .;
KEEP(*(.got2))
_FIXUP_TABLE_ = .;
KEEP(*(.fixup))
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
__fixup_entries = (. - _FIXUP_TABLE_)>>2;
.data :
{
*(.data)
*(.sdata)
}
_edata = .;
PROVIDE (edata = .);
. = .;
. = ALIGN(4);
.u_boot_list : {
KEEP(*(SORT(.u_boot_list*)));
}
. = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(256);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(256);
__init_end = .;
__bss_start = .;
.bss (NOLOAD) :
{
_sbss = .;
*(.sbss*)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .;
}
__bss_end = . ;
PROVIDE (end = .);
}

2
configs/amcore_defconfig Normal file
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@ -0,0 +1,2 @@
CONFIG_M68K=y
CONFIG_TARGET_AMCORE=y

140
include/configs/amcore.h Normal file
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@ -0,0 +1,140 @@
/*
* Sysam AMCORE board configuration
*
* (C) Copyright 2015 Angelo Dureghello <angelo@sysam.it>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __AMCORE_CONFIG_H
#define __AMCORE_CONFIG_H
#define CONFIG_AMCORE
#define CONFIG_HOSTNAME AMCORE
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_MCF530x
#define CONFIG_M5307
#define CONFIG_MCFTMR
#define CONFIG_MCFUART
#define CONFIG_SYS_UART_PORT 0
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
#define CONFIG_BOOTDELAY 1
#define CONFIG_BOOTCOMMAND "bootm ffc20000"
#include <config_cmd_default.h>
#undef CONFIG_CMD_AES
#undef CONFIG_CMD_BOOTD
#undef CONFIG_CMD_NET
#undef CONFIG_CMD_NFS
#undef CONFIG_CMD_FPGA
#undef CONFIG_CMD_XIMG
#define CONFIG_CMD_CACHE
#define CONFIG_CMD_TIMER
#define CONFIG_CMD_DIAG
#define CONFIG_SYS_PROMPT "amcore $ "
/* undef to save memory */
#undef CONFIG_SYS_LONGHELP
#if defined(CONFIG_CMD_KGDB)
/* Console I/O buff. size */
#define CONFIG_SYS_CBSIZE 1024
#else
#define CONFIG_SYS_CBSIZE 256
#endif
/* Print buffer size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT)+16)
/* max number of command args */
#define CONFIG_SYS_MAXARGS 16
/* Boot argument buffer size */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
#define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* no console @ startup */
#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
#define CONFIG_LOOPW 1 /* enable loopw command */
#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
#define CONFIG_SYS_LOAD_ADDR 0x20000 /* default load address */
#define CONFIG_SYS_MEMTEST_START 0x0
#define CONFIG_SYS_MEMTEST_END 0x1000000
#define CONFIG_SYS_HZ 1000
#define CONFIG_SYS_CLK 45000000
#define CONFIG_SYS_CPU_CLK (CONFIG_SYS_CLK * 2)
/* Register Base Addrs */
#define CONFIG_SYS_MBAR 0x10000000
/* Definitions for initial stack pointer and data area (in DPRAM) */
#define CONFIG_SYS_INIT_RAM_ADDR 0x20000000
/* size of internal SRAM */
#define CONFIG_SYS_INIT_RAM_SIZE 0x1000
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
#define CONFIG_SYS_SDRAM_BASE 0x00000000
#define CONFIG_SYS_SDRAM_SIZE 0x1000000
#define CONFIG_SYS_FLASH_BASE 0xffc00000
#define CONFIG_SYS_MAX_FLASH_BANKS 1
#define CONFIG_SYS_MAX_FLASH_SECT 1024
#define CONFIG_SYS_FLASH_ERASE_TOUT 1000
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
/* amcore design has flash data bytes wired swapped */
#define CONFIG_SYS_WRITE_SWAPPED_DATA
/* reserve 128-4KB */
#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400)
#define CONFIG_SYS_MONITOR_LEN ((128 - 4) * 1024)
#define CONFIG_SYS_MALLOC_LEN (1 * 1024 * 1024)
#define CONFIG_SYS_BOOTPARAMS_LEN (64 * 1024)
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + \
CONFIG_SYS_MONITOR_LEN)
#define CONFIG_ENV_SIZE 0x1000
#define CONFIG_ENV_SECT_SIZE 0x1000
/* memory map space for linux boot data */
#define CONFIG_SYS_BOOTMAPSZ (8 << 20)
/*
* Cache Configuration
*
* Special 8K version 3 core cache.
* This is a single unified instruction/data cache.
* sdram - single region - no masks
*/
#define CONFIG_SYS_CACHELINE_SIZE 16
#define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_INIT_RAM_SIZE - 8)
#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_INIT_RAM_SIZE - 4)
#define CONFIG_SYS_ICACHE_INV (CF_CACR_CINVA)
#define CONFIG_SYS_CACHE_ACR0 (CF_ACR_CM_WT | CF_ACR_SM_ALL | \
CF_ACR_EN)
#define CONFIG_SYS_CACHE_ICACR (CF_CACR_DCM_P | CF_CACR_ESB | \
CF_CACR_EC)
/* CS0 - AMD Flash, address 0xffc00000 */
#define CONFIG_SYS_CS0_BASE (CONFIG_SYS_FLASH_BASE>>16)
/* 4MB, AA=0,V=1 C/I BIT for errata */
#define CONFIG_SYS_CS0_MASK 0x003f0001
/* WS=10, AA=1, PS=16bit (10) */
#define CONFIG_SYS_CS0_CTRL 0x1980
/* CS1 - DM9000 Ethernet Controller, address 0x30000000 */
#define CONFIG_SYS_CS1_BASE 0x3000
#define CONFIG_SYS_CS1_MASK 0x00070001
#define CONFIG_SYS_CS1_CTRL 0x0100
#endif /* __AMCORE_CONFIG_H */