diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-10-17 10:40:00 +0000 |
---|---|---|
committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2011-10-17 10:40:00 +0000 |
commit | 4f609eec670815166ca1d18e96f7cc4ed430f4ee (patch) | |
tree | 56ef774c74a526d770c8d4686d03f6a55847fae8 /c/src/lib/libbsp/arm/lpc24xx/startup/start-config-emc-static.c | |
parent | 2011-10-17 Ralf Corsépius <ralf.corsepius@rtems.org> (diff) | |
download | rtems-4f609eec670815166ca1d18e96f7cc4ed430f4ee.tar.bz2 |
2011-10-17 Sebastian Huber <sebastian.huber@embedded-brains.de>
* include/start-config.h, make/custom/lpc24xx_plx800_rom_int.cfg,
startup/linkcmds.lpc24xx_plx800_rom_int,
startup/start-config-emc-dynamic.c, startup/start-config-emc-static.c,
startup/start-config-pinsel.c: New files.
* Makefile.am, configure.ac, preinstall.am: Reflect changes above.
* startup/bspstarthooks.c: Use configuration tables for EMC
initialization.
Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/arm/lpc24xx/startup/start-config-emc-static.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc24xx/startup/start-config-emc-static.c b/c/src/lib/libbsp/arm/lpc24xx/startup/start-config-emc-static.c new file mode 100644 index 0000000000..2efcacd3ba --- /dev/null +++ b/c/src/lib/libbsp/arm/lpc24xx/startup/start-config-emc-static.c @@ -0,0 +1,75 @@ +/** + * @file + * + * @ingroup lpc24xx + * + * @brief BSP start EMC static memory configuration. + */ + +/* + * Copyright (c) 2011 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Obere Lagerstr. 30 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + * + * $Id$ + */ + +#include <bsp/start-config.h> +#include <bsp/lpc24xx.h> + +const BSP_START_DATA_SECTION lpc24xx_emc_static_chip_config + lpc24xx_start_config_emc_static_chip [] = { +#ifdef LPC24XX_EMC_NUMONYX + /* + * Static Memory 1: Numonyx M29W160EB + * + * 1 clock cycle = 1/72MHz = 13.9ns + */ + { + .chip_select = (volatile lpc_emc_static *) EMC_STA_BASE_1, + .config = { + /* + * 16 bit, page mode disabled, active LOW chip select, extended wait + * disabled, writes not protected, byte lane state LOW/LOW (!). + */ + .config = 0x81, + + /* 1 clock cycles delay from the chip select 1 to the write enable */ + .waitwen = 0, + + /* + * 0 clock cycles delay from the chip select 1 or address change + * (whichever is later) to the output enable + */ + .waitoen = 0, + + /* 7 clock cycles delay from the chip select 1 to the read access */ + .waitrd = 0x6, + + /* + * 32 clock cycles delay for asynchronous page mode sequential accesses + */ + .waitpage = 0x1f, + + /* 5 clock cycles delay from the chip select 1 to the write access */ + .waitwr = 0x3, + + /* 16 bus turnaround cycles */ + .waitrun = 0xf + } + } +#endif /* LPC24XX_EMC_NUMONYX */ +}; + +const BSP_START_DATA_SECTION size_t + lpc24xx_start_config_emc_static_chip_count = + sizeof(lpc24xx_start_config_emc_static_chip) + / sizeof(lpc24xx_start_config_emc_static_chip [0]); |