diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/freescale/m5253demo | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/m5253demo')
5 files changed, 694 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/m5253demo/Makefile b/qemu/roms/u-boot/board/freescale/m5253demo/Makefile new file mode 100644 index 000000000..62f3146fe --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m5253demo/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = m5253demo.o flash.o diff --git a/qemu/roms/u-boot/board/freescale/m5253demo/config.mk b/qemu/roms/u-boot/board/freescale/m5253demo/config.mk new file mode 100644 index 000000000..45474652a --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m5253demo/config.mk @@ -0,0 +1,9 @@ +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# Coldfire contribution by Bernhard Kuhn <bkuhn@metrowerks.com> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +CONFIG_SYS_TEXT_BASE = 0xFF800000 diff --git a/qemu/roms/u-boot/board/freescale/m5253demo/flash.c b/qemu/roms/u-boot/board/freescale/m5253demo/flash.c new file mode 100644 index 000000000..387e454ce --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m5253demo/flash.c @@ -0,0 +1,451 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * TsiChung Liew (Tsi-Chung.Liew@freescale.com) + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> + +#include <asm/immap.h> + +#ifndef CONFIG_SYS_FLASH_CFI +typedef unsigned short FLASH_PORT_WIDTH; +typedef volatile unsigned short FLASH_PORT_WIDTHV; + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +#define FLASH_CYCLE1 0x5555 +#define FLASH_CYCLE2 0x2aaa + +#define SYNC __asm__("nop") + +/*----------------------------------------------------------------------- + * Functions + */ + +ulong flash_get_size(FPWV * addr, flash_info_t * info); +int flash_get_offsets(ulong base, flash_info_t * info); +int write_word(flash_info_t * info, FPWV * dest, u16 data); +void inline spin_wheel(void); + +flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; + +ulong flash_init(void) +{ + ulong size = 0; + ulong fbase = 0; + + fbase = (ulong) CONFIG_SYS_FLASH_BASE; + flash_get_size((FPWV *) fbase, &flash_info[0]); + flash_get_offsets((ulong) fbase, &flash_info[0]); + fbase += flash_info[0].size; + size += flash_info[0].size; + + /* Protect monitor and environment sectors */ + flash_protect(FLAG_PROTECT_SET, + CONFIG_SYS_MONITOR_BASE, + CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]); + + return size; +} + +int flash_get_offsets(ulong base, flash_info_t * info) +{ + int j, k; + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + + info->start[0] = base; + for (k = 0, j = 0; j < CONFIG_SYS_SST_SECT; j++, k++) { + info->start[k + 1] = info->start[k] + CONFIG_SYS_SST_SECTSZ; + info->protect[k] = 0; + } + } + + return ERR_OK; +} + +void flash_print_info(flash_info_t * info) +{ + int i; + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_SST: + printf("SST "); + break; + default: + printf("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_SST6401B: + printf("SST39VF6401B\n"); + break; + default: + printf("Unknown Chip Type\n"); + return; + } + + if (info->size > 0x100000) { + int remainder; + + printf(" Size: %ld", info->size >> 20); + + remainder = (info->size % 0x100000); + if (remainder) { + remainder >>= 10; + remainder = (int)((float) + (((float)remainder / (float)1024) * + 10000)); + printf(".%d ", remainder); + } + + printf("MB in %d Sectors\n", info->sector_count); + } else + printf(" Size: %ld KB in %d Sectors\n", + info->size >> 10, info->sector_count); + + printf(" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + if ((i % 5) == 0) + printf("\n "); + printf(" %08lX%s", + info->start[i], info->protect[i] ? " (RO)" : " "); + } + printf("\n"); +} + +/* + * The following code cannot be run from FLASH! + */ +ulong flash_get_size(FPWV * addr, flash_info_t * info) +{ + u16 value; + + addr[FLASH_CYCLE1] = (FPWV) 0x00AA00AA; /* for Atmel, Intel ignores this */ + addr[FLASH_CYCLE2] = (FPWV) 0x00550055; /* for Atmel, Intel ignores this */ + addr[FLASH_CYCLE1] = (FPWV) 0x00900090; /* selects Intel or Atmel */ + + switch (addr[0] & 0xffff) { + case (u8) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + value = addr[1]; + break; + default: + printf("Unknown Flash\n"); + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + + *addr = (FPW) 0x00F000F0; + return (0); /* no or unknown flash */ + } + + switch (value) { + case (u16) SST_ID_xF6401B: + info->flash_id += FLASH_SST6401B; + break; + default: + info->flash_id = FLASH_UNKNOWN; + break; + } + + info->sector_count = 0; + info->size = 0; + info->sector_count = CONFIG_SYS_SST_SECT; + info->size = CONFIG_SYS_SST_SECT * CONFIG_SYS_SST_SECTSZ; + + /* reset ID mode */ + *addr = (FPWV) 0x00F000F0; + + if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { + printf("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); + info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; + } + + return (info->size); +} + +int flash_erase(flash_info_t * info, int s_first, int s_last) +{ + FPWV *addr; + int flag, prot, sect, count; + ulong type, start, last; + int rcode = 0, flashtype = 0; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) + printf("- missing\n"); + else + printf("- no sectors to erase\n"); + return 1; + } + + type = (info->flash_id & FLASH_VENDMASK); + + switch (type) { + case FLASH_MAN_SST: + flashtype = 1; + break; + default: + type = (info->flash_id & FLASH_VENDMASK); + printf("Can't erase unknown flash type %08lx - aborted\n", + info->flash_id); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) + printf("- Warning: %d protected sectors will not be erased!\n", + prot); + else + printf("\n"); + + flag = disable_interrupts(); + + start = get_timer(0); + last = start; + + if ((s_last - s_first) == (CONFIG_SYS_SST_SECT - 1)) { + if (prot == 0) { + addr = (FPWV *) info->start[0]; + + addr[FLASH_CYCLE1] = 0x00AA; /* unlock */ + addr[FLASH_CYCLE2] = 0x0055; /* unlock */ + addr[FLASH_CYCLE1] = 0x0080; /* erase mode */ + addr[FLASH_CYCLE1] = 0x00AA; /* unlock */ + addr[FLASH_CYCLE2] = 0x0055; /* unlock */ + *addr = 0x0030; /* erase chip */ + + count = 0; + start = get_timer(0); + + while ((*addr & 0x0080) != 0x0080) { + if (count++ > 0x10000) { + spin_wheel(); + count = 0; + } + + if (get_timer(start) > CONFIG_SYS_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + *addr = 0x00F0; /* reset to read mode */ + + return 1; + } + } + + *addr = 0x00F0; /* reset to read mode */ + + printf("\b. done\n"); + + if (flag) + enable_interrupts(); + + return 0; + } else if (prot == CONFIG_SYS_SST_SECT) { + return 1; + } + } + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + + addr = (FPWV *) (info->start[sect]); + + printf("."); + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + switch (flashtype) { + case 1: + { + FPWV *base; /* first address in bank */ + + flag = disable_interrupts(); + + base = (FPWV *) (CONFIG_SYS_FLASH_BASE); /* First sector */ + + base[FLASH_CYCLE1] = 0x00AA; /* unlock */ + base[FLASH_CYCLE2] = 0x0055; /* unlock */ + base[FLASH_CYCLE1] = 0x0080; /* erase mode */ + base[FLASH_CYCLE1] = 0x00AA; /* unlock */ + base[FLASH_CYCLE2] = 0x0055; /* unlock */ + *addr = 0x0050; /* erase sector */ + + if (flag) + enable_interrupts(); + + while ((*addr & 0x0080) != 0x0080) { + if (get_timer(start) > + CONFIG_SYS_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + *addr = 0x00F0; /* reset to read mode */ + + rcode = 1; + break; + } + } + + *addr = 0x00F0; /* reset to read mode */ + break; + } + } /* switch (flashtype) */ + } + } + printf(" done\n"); + + if (flag) + enable_interrupts(); + + return rcode; +} + +int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong wp, count; + u16 data; + int rc, port_width; + + if (info->flash_id == FLASH_UNKNOWN) + return 4; + + /* get lower word aligned address */ + wp = addr; + port_width = sizeof(FPW); + + /* handle unaligned start bytes */ + if (wp & 1) { + data = *((FPWV *) wp); + data = (data << 8) | *src; + + if ((rc = write_word(info, (FPWV *) wp, data)) != 0) + return (rc); + + wp++; + cnt -= 1; + src++; + } + + while (cnt >= 2) { + /* + * handle word aligned part + */ + count = 0; + data = *((FPWV *) src); + + if ((rc = write_word(info, (FPWV *) wp, data)) != 0) + return (rc); + + wp += 2; + src += 2; + cnt -= 2; + + if (count++ > 0x800) { + spin_wheel(); + count = 0; + } + } + /* handle word aligned part */ + if (cnt) { + /* handle word aligned part */ + count = 0; + data = *((FPWV *) wp); + + data = (data & 0x00FF) | (*src << 8); + + if ((rc = write_word(info, (FPWV *) wp, data)) != 0) + return (rc); + + wp++; + src++; + cnt -= 1; + if (count++ > 0x800) { + spin_wheel(); + count = 0; + } + } + + if (cnt == 0) + return ERR_OK; + + return ERR_OK; +} + +/*----------------------------------------------------------------------- + * Write a word to Flash + * A word is 16 bits, whichever the bus width of the flash bank + * (not an individual chip) is. + * + * returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_word(flash_info_t * info, FPWV * dest, u16 data) +{ + ulong start; + int flag; + int res = 0; /* result, assume success */ + FPWV *base; /* first address in flash bank */ + + /* Check if Flash is (sufficiently) erased */ + if ((*dest & (u8) data) != (u8) data) { + return (2); + } + + base = (FPWV *) (CONFIG_SYS_FLASH_BASE); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + base[FLASH_CYCLE1] = (u8) 0x00AA00AA; /* unlock */ + base[FLASH_CYCLE2] = (u8) 0x00550055; /* unlock */ + base[FLASH_CYCLE1] = (u8) 0x00A000A0; /* selects program mode */ + + *dest = data; /* start programming the data */ + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + start = get_timer(0); + + /* data polling for D7 */ + while (res == 0 + && (*dest & (u8) 0x00800080) != (data & (u8) 0x00800080)) { + if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { + *dest = (u8) 0x00F000F0; /* reset bank */ + res = 1; + } + } + + *dest++ = (u8) 0x00F000F0; /* reset bank */ + + return (res); +} + +void inline spin_wheel(void) +{ + static int p = 0; + static char w[] = "\\/-"; + + printf("\010%c", w[p]); + (++p == 3) ? (p = 0) : 0; +} + +#endif diff --git a/qemu/roms/u-boot/board/freescale/m5253demo/m5253demo.c b/qemu/roms/u-boot/board/freescale/m5253demo/m5253demo.c new file mode 100644 index 000000000..7e516bfa4 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m5253demo/m5253demo.c @@ -0,0 +1,140 @@ +/* + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. + * Hayden Fraser (Hayden.Fraser@freescale.com) + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/immap.h> +#include <netdev.h> +#include <asm/io.h> + +int checkboard(void) +{ + puts("Board: "); + puts("Freescale MCF5253 DEMO\n"); + return 0; +}; + +phys_size_t initdram(int board_type) +{ + u32 dramsize = 0; + + /* + * Check to see if the SDRAM has already been initialized + * by a run control tool + */ + if (!(mbar_readLong(MCFSIM_DCR) & 0x8000)) { + u32 RC, temp; + + RC = (CONFIG_SYS_CLK / 1000000) >> 1; + RC = (RC * 15) >> 4; + + /* Initialize DRAM Control Register: DCR */ + mbar_writeShort(MCFSIM_DCR, (0x8400 | RC)); + __asm__("nop"); + + mbar_writeLong(MCFSIM_DACR0, 0x00003224); + __asm__("nop"); + + /* Initialize DMR0 */ + dramsize = (CONFIG_SYS_SDRAM_SIZE << 20); + temp = (dramsize - 1) & 0xFFFC0000; + mbar_writeLong(MCFSIM_DMR0, temp | 1); + __asm__("nop"); + + mbar_writeLong(MCFSIM_DACR0, 0x0000322c); + mb(); + __asm__("nop"); + + /* Write to this block to initiate precharge */ + *(u32 *) (CONFIG_SYS_SDRAM_BASE) = 0xa5a5a5a5; + mb(); + __asm__("nop"); + + /* Set RE bit in DACR */ + mbar_writeLong(MCFSIM_DACR0, + mbar_readLong(MCFSIM_DACR0) | 0x8000); + __asm__("nop"); + + /* Wait for at least 8 auto refresh cycles to occur */ + udelay(500); + + /* Finish the configuration by issuing the MRS */ + mbar_writeLong(MCFSIM_DACR0, + mbar_readLong(MCFSIM_DACR0) | 0x0040); + __asm__("nop"); + + *(u32 *) (CONFIG_SYS_SDRAM_BASE + 0x800) = 0xa5a5a5a5; + mb(); + } + + return dramsize; +} + +int testdram(void) +{ + /* TODO: XXX XXX XXX */ + printf("DRAM test not implemented!\n"); + + return (0); +} + +#ifdef CONFIG_CMD_IDE +#include <ata.h> +int ide_preinit(void) +{ + return (0); +} + +void ide_set_reset(int idereset) +{ + atac_t *ata = (atac_t *) CONFIG_SYS_ATA_BASE_ADDR; + long period; + /* t1, t2, t3, t4, t5, t6, t9, tRD, tA */ + int piotms[5][9] = { {70, 165, 60, 30, 50, 5, 20, 0, 35}, /* PIO 0 */ + {50, 125, 45, 20, 35, 5, 15, 0, 35}, /* PIO 1 */ + {30, 100, 30, 15, 20, 5, 10, 0, 35}, /* PIO 2 */ + {30, 80, 30, 10, 20, 5, 10, 0, 35}, /* PIO 3 */ + {25, 70, 20, 10, 20, 5, 10, 0, 35} /* PIO 4 */ + }; + + if (idereset) { + /* control reset */ + out_8(&ata->cr, 0); + udelay(100); + } else { + mbar2_writeLong(CIM_MISCCR, CIM_MISCCR_CPUEND); + +#define CALC_TIMING(t) (t + period - 1) / period + period = 1000000000 / (CONFIG_SYS_CLK / 2); /* period in ns */ + + /*ata->ton = CALC_TIMING (180); */ + out_8(&ata->t1, CALC_TIMING(piotms[2][0])); + out_8(&ata->t2w, CALC_TIMING(piotms[2][1])); + out_8(&ata->t2r, CALC_TIMING(piotms[2][1])); + out_8(&ata->ta, CALC_TIMING(piotms[2][8])); + out_8(&ata->trd, CALC_TIMING(piotms[2][7])); + out_8(&ata->t4, CALC_TIMING(piotms[2][3])); + out_8(&ata->t9, CALC_TIMING(piotms[2][6])); + + /* IORDY enable */ + out_8(&ata->cr, 0x40); + udelay(2000); + /* IORDY enable */ + setbits_8(&ata->cr, 0x01); + } +} +#endif /* CONFIG_CMD_IDE */ + + +#ifdef CONFIG_DRIVER_DM9000 +int board_eth_init(bd_t *bis) +{ + return dm9000_initialize(bis); +} +#endif diff --git a/qemu/roms/u-boot/board/freescale/m5253demo/u-boot.lds b/qemu/roms/u-boot/board/freescale/m5253demo/u-boot.lds new file mode 100644 index 000000000..cd3d70a16 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/m5253demo/u-boot.lds @@ -0,0 +1,86 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +OUTPUT_ARCH(m68k) + +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + .text : + { + arch/m68k/cpu/mcf52x2/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 : + { + _sbss = .; + *(.sbss*) + *(.bss*) + *(COMMON) + . = ALIGN(4); + _ebss = .; + } + __bss_end = . ; + PROVIDE (end = .); +} |