Add Sysam Amcore m68k-based board support.
Signed-off-by: Angelo Dureghello angelo@sysam.it --- arch/m68k/Kconfig | 4 ++ board/sysam/amcore/Kconfig | 22 +++++++ board/sysam/amcore/MAINTAINERS | 6 ++ board/sysam/amcore/Makefile | 7 +++ board/sysam/amcore/amcore.c | 101 +++++++++++++++++++++++++++++ board/sysam/amcore/config.mk | 7 +++ board/sysam/amcore/u-boot.lds | 87 +++++++++++++++++++++++++ configs/amcore_defconfig | 2 + include/configs/amcore.h | 140 +++++++++++++++++++++++++++++++++++++++++ 9 files changed, 376 insertions(+) create mode 100644 board/sysam/amcore/Kconfig create mode 100644 board/sysam/amcore/MAINTAINERS create mode 100644 board/sysam/amcore/Makefile create mode 100644 board/sysam/amcore/amcore.c create mode 100644 board/sysam/amcore/config.mk create mode 100644 board/sysam/amcore/u-boot.lds create mode 100644 configs/amcore_defconfig create mode 100644 include/configs/amcore.h
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 78c98ed..53c4aab 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -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 diff --git a/board/sysam/amcore/Kconfig b/board/sysam/amcore/Kconfig new file mode 100644 index 0000000..dd9816e --- /dev/null +++ b/board/sysam/amcore/Kconfig @@ -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 + + + diff --git a/board/sysam/amcore/MAINTAINERS b/board/sysam/amcore/MAINTAINERS new file mode 100644 index 0000000..fe5dd9b --- /dev/null +++ b/board/sysam/amcore/MAINTAINERS @@ -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 diff --git a/board/sysam/amcore/Makefile b/board/sysam/amcore/Makefile new file mode 100644 index 0000000..051186f --- /dev/null +++ b/board/sysam/amcore/Makefile @@ -0,0 +1,7 @@ +# +# (C) Copyright 2014 Angelo Dureghello angelo@sysam.it +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = amcore.o diff --git a/board/sysam/amcore/amcore.c b/board/sysam/amcore/amcore.c new file mode 100644 index 0000000..42b7c23 --- /dev/null +++ b/board/sysam/amcore/amcore.c @@ -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); +} diff --git a/board/sysam/amcore/config.mk b/board/sysam/amcore/config.mk new file mode 100644 index 0000000..d01a8bb --- /dev/null +++ b/board/sysam/amcore/config.mk @@ -0,0 +1,7 @@ +# +# (C) Copyright 2014 Angelo Dureghello angelo@sysam.it +# +# SPDX-License-Identifier: GPL-2.0+ +# + +CONFIG_SYS_TEXT_BASE = 0xffc00000 diff --git a/board/sysam/amcore/u-boot.lds b/board/sysam/amcore/u-boot.lds new file mode 100644 index 0000000..2f7a241 --- /dev/null +++ b/board/sysam/amcore/u-boot.lds @@ -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 = .); +} diff --git a/configs/amcore_defconfig b/configs/amcore_defconfig new file mode 100644 index 0000000..705c400 --- /dev/null +++ b/configs/amcore_defconfig @@ -0,0 +1,2 @@ +CONFIG_M68K=y +CONFIG_TARGET_AMCORE=y diff --git a/include/configs/amcore.h b/include/configs/amcore.h new file mode 100644 index 0000000..2a785b3 --- /dev/null +++ b/include/configs/amcore.h @@ -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 */ +