diff options
Diffstat (limited to 'board/digsy_mtc')
| -rw-r--r-- | board/digsy_mtc/digsy_mtc.c | 109 | ||||
| -rw-r--r-- | board/digsy_mtc/is45s16800a2.h | 31 |
2 files changed, 138 insertions, 2 deletions
diff --git a/board/digsy_mtc/digsy_mtc.c b/board/digsy_mtc/digsy_mtc.c index cc6087b..afb0948 100644 --- a/board/digsy_mtc/digsy_mtc.c +++ b/board/digsy_mtc/digsy_mtc.c @@ -39,12 +39,29 @@ #include <asm/processor.h> #include <asm/io.h> #include "eeprom.h" +#if defined(CONFIG_DIGSY_REV5) +#include "is45s16800a2.h" +#include <mtd/cfi_flash.h> +#else #include "is42s16800a-7t.h" +#endif +#include <libfdt.h> DECLARE_GLOBAL_DATA_PTR; extern int usb_cpu_init(void); +#if defined(CONFIG_DIGSY_REV5) +/* + * The M29W128GH needs a specail reset command function, + * details see the doc/README.cfi file + */ +void flash_cmd_reset(flash_info_t *info) +{ + flash_write_cmd(info, 0, 0, AMD_CMD_RESET); +} +#endif + #ifndef CONFIG_SYS_RAMBOOT static void sdram_start(int hi_addr) { @@ -175,6 +192,9 @@ int checkboard(void) char *s = getenv("serial#"); puts ("Board: InterControl digsyMTC"); +#if defined(CONFIG_DIGSY_REV5) + puts (" rev5"); +#endif if (s != NULL) { puts(", "); puts(s); @@ -305,12 +325,97 @@ void ide_set_reset(int idereset) setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, (1 << 25)); } #endif /* CONFIG_IDE_RESET */ +#endif /* CONFIG_CMD_IDE */ #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +static void ft_delete_node(void *fdt, const char *compat) +{ + int off = -1; + int ret; + + off = fdt_node_offset_by_compatible(fdt, -1, compat); + if (off < 0) { + printf("Could not find %s node.\n", compat); + return; + } + + ret = fdt_del_node(fdt, off); + if (ret < 0) + printf("Could not delete %s node.\n", compat); +} +#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) +static void ft_adapt_flash_base(void *blob) +{ + flash_info_t *dev = &flash_info[0]; + int off; + struct fdt_property *prop; + int len; + u32 *reg, *reg2; + + off = fdt_node_offset_by_compatible(blob, -1, "fsl,mpc5200b-lpb"); + if (off < 0) { + printf("Could not find fsl,mpc5200b-lpb node.\n"); + return; + } + + /* found compatible property */ + prop = fdt_get_property_w(blob, off, "ranges", &len); + if (prop) { + reg = reg2 = (u32 *)&prop->data[0]; + + reg[2] = dev->start[0]; + reg[3] = dev->size; + fdt_setprop(blob, off, "ranges", reg2, len); + } else + printf("Could not find ranges\n"); +} + +extern ulong flash_get_size (phys_addr_t base, int banknum); + +/* Update the Flash Baseaddr settings */ +int update_flash_size (int flash_size) +{ + volatile struct mpc5xxx_mmap_ctl *mm = + (struct mpc5xxx_mmap_ctl *) CONFIG_SYS_MBAR; + flash_info_t *dev; + int i; + int size = 0; + unsigned long base = 0x0; + u32 *cs_reg = (u32 *)&mm->cs0_start; + + for (i = 0; i < 2; i++) { + dev = &flash_info[i]; + + if (dev->size) { + /* calculate new base addr for this chipselect */ + base -= dev->size; + out_be32(cs_reg, START_REG(base)); + cs_reg++; + out_be32(cs_reg, STOP_REG(base, dev->size)); + cs_reg++; + /* recalculate the sectoraddr in the cfi driver */ + size += flash_get_size(base, i); + } + } + gd->bd->bi_flashstart = base; + return 0; +} +#endif /* defined(CONFIG_SYS_UPDATE_FLASH_SIZE) */ + void ft_board_setup(void *blob, bd_t *bd) { ft_cpu_setup(blob, bd); + /* + * There are 2 RTC nodes in the DTS, so remove + * the unneeded node here. + */ +#if defined(CONFIG_DIGSY_REV5) + ft_delete_node(blob, "dallas,ds1339"); +#else + ft_delete_node(blob, "mc,rv3029c2"); +#endif +#if defined(CONFIG_SYS_UPDATE_FLASH_SIZE) + ft_adapt_flash_base(blob); +#endif } #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ - -#endif /* CONFIG_CMD_IDE */ diff --git a/board/digsy_mtc/is45s16800a2.h b/board/digsy_mtc/is45s16800a2.h new file mode 100644 index 0000000..6ab5c12 --- /dev/null +++ b/board/digsy_mtc/is45s16800a2.h @@ -0,0 +1,31 @@ +/* + * (C) Copyright 2010 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * based on: + * (C) Copyright 2004-2009 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * 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 + */ + +#define SDRAM_MODE 0x00CD0000 +#define SDRAM_CONTROL 0x50470000 +#define SDRAM_CONFIG1 0xD2322900 +#define SDRAM_CONFIG2 0x8AD70000 |