Commit 06fd66a4aa8f0bdb0e78072593728fa31be8dadf

Authored by angelo@sysam.it
Committed by Tom Rini
1 parent a2bc4321e4

m68k: add amcore board support

Add Sysam Amcore m68k-based board support.

Signed-off-by: Angelo Dureghello <angelo@sysam.it>

Showing 9 changed files with 376 additions and 0 deletions Side-by-side Diff

... ... @@ -67,6 +67,9 @@
67 67 config TARGET_M5485EVB
68 68 bool "Support M5485EVB"
69 69  
  70 +config TARGET_AMCORE
  71 + bool "Support AMCORE"
  72 +
70 73 endchoice
71 74  
72 75 source "board/BuS/eb_cpu5282/Kconfig"
... ... @@ -89,6 +92,7 @@
89 92 source "board/freescale/m54455evb/Kconfig"
90 93 source "board/freescale/m547xevb/Kconfig"
91 94 source "board/freescale/m548xevb/Kconfig"
  95 +source "board/sysam/amcore/Kconfig"
92 96  
93 97 endmenu
board/sysam/amcore/Kconfig
  1 +if TARGET_AMCORE
  2 +
  3 +config SYS_CPU
  4 + string
  5 + default "mcf530x"
  6 +
  7 +config SYS_BOARD
  8 + string
  9 + default "amcore"
  10 +
  11 +config SYS_VENDOR
  12 + string
  13 + default "sysam"
  14 +
  15 +config SYS_CONFIG_NAME
  16 + string
  17 + default "amcore"
  18 +
  19 +endif
board/sysam/amcore/MAINTAINERS
  1 +AMCORE BOARD
  2 +M: Angelo Dureghello <angelo@sysam.it>
  3 +S: Maintained
  4 +F: board/sysam/amcore/
  5 +F: include/configs/amcore.h
  6 +F: configs/amcore_defconfig
board/sysam/amcore/Makefile
  1 +#
  2 +# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
  3 +#
  4 +# SPDX-License-Identifier: GPL-2.0+
  5 +#
  6 +
  7 +obj-y = amcore.o
board/sysam/amcore/amcore.c
  1 +/*
  2 + * Board functions for Sysam AMCORE (MCF5307 based) board
  3 + *
  4 + * (C) Copyright 2015 Angelo Dureghello <angelo@sysam.it>
  5 + *
  6 + * SPDX-License-Identifier: GPL-2.0+
  7 + *
  8 + * This file copies memory testdram() from sandburst/common/sb_common.c
  9 + */
  10 +
  11 +#include <common.h>
  12 +#include <asm/immap.h>
  13 +#include <asm/io.h>
  14 +
  15 +void init_lcd(void)
  16 +{
  17 + /* setup for possible K0108 lcd connected on the parallel port */
  18 + sim_t *sim = (sim_t *)(MMAP_SIM);
  19 +
  20 + out_be16(&sim->par, 0x300);
  21 +
  22 + gpio_t *gpio = (gpio_t *)(MMAP_GPIO);
  23 +
  24 + out_be16(&gpio->paddr, 0xfcff);
  25 + out_be16(&gpio->padat, 0x0c00);
  26 +}
  27 +
  28 +int checkboard(void)
  29 +{
  30 + puts("Board: ");
  31 + puts("AMCORE v.001(alpha)\n");
  32 +
  33 + init_lcd();
  34 +
  35 + return 0;
  36 +}
  37 +
  38 +/*
  39 + * in initdram we are here executing from flash
  40 + * case 1:
  41 + * is with no ACR/flash cache enabled
  42 + * nop = 40ns (scope measured)
  43 + */
  44 +void fudelay(int usec)
  45 +{
  46 + while (usec--)
  47 + asm volatile ("nop");
  48 +}
  49 +
  50 +phys_size_t initdram(int board_type)
  51 +{
  52 + u32 dramsize, RC;
  53 +
  54 + sdramctrl_t *dc = (sdramctrl_t *)(MMAP_DRAMC);
  55 +
  56 + /*
  57 + * SDRAM MT48LC4M32B2 details
  58 + * Memory block 0: 16 MB of SDRAM at address $00000000
  59 + * Port size: 32-bit port
  60 + *
  61 + * Memory block 0 wired as follows:
  62 + * CPU : A15 A14 A13 A12 A11 A10 A9 A17 A18 A19 A20 A21 A22 A23
  63 + * SDRAM : A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 BA0 BA1
  64 + *
  65 + * Ensure that there is a delay of at least 100 microseconds from
  66 + * processor reset to the following code so that the SDRAM is ready
  67 + * for commands.
  68 + */
  69 + fudelay(100);
  70 +
  71 + /*
  72 + * DCR
  73 + * set proper RC as per specification
  74 + */
  75 + RC = (CONFIG_SYS_CPU_CLK / 1000000) >> 1;
  76 + RC = (RC * 15) >> 4;
  77 +
  78 + /* 0x8000 is the faster option */
  79 + out_be16(&dc->dcr, 0x8200 | RC);
  80 +
  81 + /*
  82 + * DACR0, page mode continuous, CMD on A20 0x0300
  83 + */
  84 + out_be32(&dc->dacr0, 0x00003304);
  85 +
  86 + dramsize = ((CONFIG_SYS_SDRAM_SIZE)-1) & 0xfffc0000;
  87 + out_be32(&dc->dmr0, dramsize|1);
  88 +
  89 + /* issue a PRECHARGE ALL */
  90 + out_be32(&dc->dacr0, 0x0000330c);
  91 + out_be32((u32 *)0x00000004, 0xbeaddeed);
  92 + /* issue AUTOREFRESH */
  93 + out_be32(&dc->dacr0, 0x0000b304);
  94 + /* let refresh occour */
  95 + fudelay(1);
  96 +
  97 + out_be32(&dc->dacr0, 0x0000b344);
  98 + out_be32((u32 *)0x00000c00, 0xbeaddeed);
  99 +
  100 + return get_ram_size(CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_SDRAM_SIZE);
  101 +}
board/sysam/amcore/config.mk
  1 +#
  2 +# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
  3 +#
  4 +# SPDX-License-Identifier: GPL-2.0+
  5 +#
  6 +
  7 +CONFIG_SYS_TEXT_BASE = 0xffc00000
board/sysam/amcore/u-boot.lds
  1 +/*
  2 + * Linker script for Sysam AMCORE board
  3 + *
  4 + * (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it>
  5 + *
  6 + * SPDX-License-Identifier: GPL-2.0+
  7 + */
  8 +
  9 +OUTPUT_ARCH(m68k)
  10 +
  11 +SECTIONS
  12 +{
  13 + /* Read-only sections, merged into text segment: */
  14 + .text :
  15 + {
  16 + arch/m68k/cpu/mcf530x/start.o (.text)
  17 +
  18 + . = DEFINED(env_offset) ? env_offset : .;
  19 + common/env_embedded.o (.text)
  20 +
  21 + *(.text)
  22 + }
  23 + _etext = .;
  24 + PROVIDE (etext = .);
  25 + .rodata :
  26 + {
  27 + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
  28 + }
  29 +
  30 + /* Read-write section, merged into data segment: */
  31 + . = (. + 0x00FF) & 0xFFFFFF00;
  32 + _erotext = .;
  33 + PROVIDE (erotext = .);
  34 +
  35 + .reloc :
  36 + {
  37 + __got_start = .;
  38 + KEEP(*(.got))
  39 + __got_end = .;
  40 + _GOT2_TABLE_ = .;
  41 + KEEP(*(.got2))
  42 + _FIXUP_TABLE_ = .;
  43 + KEEP(*(.fixup))
  44 + }
  45 + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
  46 + __fixup_entries = (. - _FIXUP_TABLE_)>>2;
  47 +
  48 + .data :
  49 + {
  50 + *(.data)
  51 + *(.sdata)
  52 + }
  53 + _edata = .;
  54 + PROVIDE (edata = .);
  55 +
  56 + . = .;
  57 +
  58 + . = ALIGN(4);
  59 + .u_boot_list : {
  60 + KEEP(*(SORT(.u_boot_list*)));
  61 + }
  62 +
  63 + . = .;
  64 + __start___ex_table = .;
  65 + __ex_table : { *(__ex_table) }
  66 + __stop___ex_table = .;
  67 +
  68 + . = ALIGN(256);
  69 + __init_begin = .;
  70 + .text.init : { *(.text.init) }
  71 + .data.init : { *(.data.init) }
  72 + . = ALIGN(256);
  73 + __init_end = .;
  74 +
  75 + __bss_start = .;
  76 + .bss (NOLOAD) :
  77 + {
  78 + _sbss = .;
  79 + *(.sbss*)
  80 + *(.bss*)
  81 + *(COMMON)
  82 + . = ALIGN(4);
  83 + _ebss = .;
  84 + }
  85 + __bss_end = . ;
  86 + PROVIDE (end = .);
  87 +}
configs/amcore_defconfig
  1 +CONFIG_M68K=y
  2 +CONFIG_TARGET_AMCORE=y
include/configs/amcore.h
  1 +/*
  2 + * Sysam AMCORE board configuration
  3 + *
  4 + * (C) Copyright 2015 Angelo Dureghello <angelo@sysam.it>
  5 + *
  6 + * SPDX-License-Identifier: GPL-2.0+
  7 + */
  8 +
  9 +#ifndef __AMCORE_CONFIG_H
  10 +#define __AMCORE_CONFIG_H
  11 +
  12 +#define CONFIG_AMCORE
  13 +#define CONFIG_HOSTNAME AMCORE
  14 +
  15 +#define CONFIG_SYS_GENERIC_BOARD
  16 +
  17 +#define CONFIG_MCF530x
  18 +#define CONFIG_M5307
  19 +
  20 +#define CONFIG_MCFTMR
  21 +#define CONFIG_MCFUART
  22 +#define CONFIG_SYS_UART_PORT 0
  23 +#define CONFIG_BAUDRATE 115200
  24 +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
  25 +
  26 +#define CONFIG_BOOTDELAY 1
  27 +#define CONFIG_BOOTCOMMAND "bootm ffc20000"
  28 +
  29 +#include <config_cmd_default.h>
  30 +#undef CONFIG_CMD_AES
  31 +#undef CONFIG_CMD_BOOTD
  32 +#undef CONFIG_CMD_NET
  33 +#undef CONFIG_CMD_NFS
  34 +#undef CONFIG_CMD_FPGA
  35 +#undef CONFIG_CMD_XIMG
  36 +#define CONFIG_CMD_CACHE
  37 +#define CONFIG_CMD_TIMER
  38 +#define CONFIG_CMD_DIAG
  39 +
  40 +#define CONFIG_SYS_PROMPT "amcore $ "
  41 +/* undef to save memory */
  42 +#undef CONFIG_SYS_LONGHELP
  43 +
  44 +#if defined(CONFIG_CMD_KGDB)
  45 +/* Console I/O buff. size */
  46 +#define CONFIG_SYS_CBSIZE 1024
  47 +#else
  48 +#define CONFIG_SYS_CBSIZE 256
  49 +#endif
  50 +/* Print buffer size */
  51 +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
  52 + sizeof(CONFIG_SYS_PROMPT)+16)
  53 +/* max number of command args */
  54 +#define CONFIG_SYS_MAXARGS 16
  55 +/* Boot argument buffer size */
  56 +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
  57 +
  58 +#define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* no console @ startup */
  59 +#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
  60 +#define CONFIG_LOOPW 1 /* enable loopw command */
  61 +#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
  62 +
  63 +#define CONFIG_SYS_LOAD_ADDR 0x20000 /* default load address */
  64 +
  65 +#define CONFIG_SYS_MEMTEST_START 0x0
  66 +#define CONFIG_SYS_MEMTEST_END 0x1000000
  67 +
  68 +#define CONFIG_SYS_HZ 1000
  69 +
  70 +#define CONFIG_SYS_CLK 45000000
  71 +#define CONFIG_SYS_CPU_CLK (CONFIG_SYS_CLK * 2)
  72 +/* Register Base Addrs */
  73 +#define CONFIG_SYS_MBAR 0x10000000
  74 +/* Definitions for initial stack pointer and data area (in DPRAM) */
  75 +#define CONFIG_SYS_INIT_RAM_ADDR 0x20000000
  76 +/* size of internal SRAM */
  77 +#define CONFIG_SYS_INIT_RAM_SIZE 0x1000
  78 +#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - \
  79 + GENERATED_GBL_DATA_SIZE)
  80 +#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
  81 +
  82 +#define CONFIG_SYS_SDRAM_BASE 0x00000000
  83 +#define CONFIG_SYS_SDRAM_SIZE 0x1000000
  84 +#define CONFIG_SYS_FLASH_BASE 0xffc00000
  85 +#define CONFIG_SYS_MAX_FLASH_BANKS 1
  86 +#define CONFIG_SYS_MAX_FLASH_SECT 1024
  87 +#define CONFIG_SYS_FLASH_ERASE_TOUT 1000
  88 +
  89 +#define CONFIG_SYS_FLASH_CFI
  90 +#define CONFIG_FLASH_CFI_DRIVER
  91 +#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
  92 +/* amcore design has flash data bytes wired swapped */
  93 +#define CONFIG_SYS_WRITE_SWAPPED_DATA
  94 +/* reserve 128-4KB */
  95 +#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400)
  96 +#define CONFIG_SYS_MONITOR_LEN ((128 - 4) * 1024)
  97 +#define CONFIG_SYS_MALLOC_LEN (1 * 1024 * 1024)
  98 +#define CONFIG_SYS_BOOTPARAMS_LEN (64 * 1024)
  99 +
  100 +#define CONFIG_ENV_IS_IN_FLASH 1
  101 +#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + \
  102 + CONFIG_SYS_MONITOR_LEN)
  103 +#define CONFIG_ENV_SIZE 0x1000
  104 +#define CONFIG_ENV_SECT_SIZE 0x1000
  105 +
  106 +/* memory map space for linux boot data */
  107 +#define CONFIG_SYS_BOOTMAPSZ (8 << 20)
  108 +
  109 +/*
  110 + * Cache Configuration
  111 + *
  112 + * Special 8K version 3 core cache.
  113 + * This is a single unified instruction/data cache.
  114 + * sdram - single region - no masks
  115 + */
  116 +#define CONFIG_SYS_CACHELINE_SIZE 16
  117 +
  118 +#define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
  119 + CONFIG_SYS_INIT_RAM_SIZE - 8)
  120 +#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
  121 + CONFIG_SYS_INIT_RAM_SIZE - 4)
  122 +#define CONFIG_SYS_ICACHE_INV (CF_CACR_CINVA)
  123 +#define CONFIG_SYS_CACHE_ACR0 (CF_ACR_CM_WT | CF_ACR_SM_ALL | \
  124 + CF_ACR_EN)
  125 +#define CONFIG_SYS_CACHE_ICACR (CF_CACR_DCM_P | CF_CACR_ESB | \
  126 + CF_CACR_EC)
  127 +
  128 +/* CS0 - AMD Flash, address 0xffc00000 */
  129 +#define CONFIG_SYS_CS0_BASE (CONFIG_SYS_FLASH_BASE>>16)
  130 +/* 4MB, AA=0,V=1 C/I BIT for errata */
  131 +#define CONFIG_SYS_CS0_MASK 0x003f0001
  132 +/* WS=10, AA=1, PS=16bit (10) */
  133 +#define CONFIG_SYS_CS0_CTRL 0x1980
  134 +/* CS1 - DM9000 Ethernet Controller, address 0x30000000 */
  135 +#define CONFIG_SYS_CS1_BASE 0x3000
  136 +#define CONFIG_SYS_CS1_MASK 0x00070001
  137 +#define CONFIG_SYS_CS1_CTRL 0x0100
  138 +
  139 +#endif /* __AMCORE_CONFIG_H */