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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-07-25 15:51:21 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2012-08-20 10:10:24 +0200 |
| commit | 6cfe52fcbcc128e98cef9312b52f9fe8fcd54d5b (patch) | |
| tree | 0a133a64869fb3be991b5391971233a6e0af31a7 /c/src/lib/libbsp/arm/lpc32xx/misc/nand-select.c | |
| parent | bsp/lpc24xx: Use USB RAM for fast data section (diff) | |
| download | rtems-6cfe52fcbcc128e98cef9312b52f9fe8fcd54d5b.tar.bz2 | |
bsp/lpc32xx: Add lpc32xx_select_nand_controller()
Diffstat (limited to 'c/src/lib/libbsp/arm/lpc32xx/misc/nand-select.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/lpc32xx/misc/nand-select.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc32xx/misc/nand-select.c b/c/src/lib/libbsp/arm/lpc32xx/misc/nand-select.c new file mode 100644 index 0000000000..533680ee92 --- /dev/null +++ b/c/src/lib/libbsp/arm/lpc32xx/misc/nand-select.c @@ -0,0 +1,44 @@ +/** + * @file + * + * @ingroup lpc32xx + * + * @brief NAND controller selection. + */ + +/* + * Copyright (c) 2012 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. + */ + +#include <bsp.h> +#include <bsp/lpc32xx.h> +#include <bsp/nand-mlc.h> + +void lpc32xx_select_nand_controller(lpc32xx_nand_controller nand_controller) +{ + uint32_t flashclk_ctrl = LPC32XX_FLASHCLK_CTRL & ~(FLASHCLK_IRQ_MLC + | FLASHCLK_SELECT_SLC | FLASHCLK_MLC_CLK_ENABLE | FLASHCLK_SLC_CLK_ENABLE); + + switch (nand_controller) { + case LPC32XX_NAND_CONTROLLER_MLC: + flashclk_ctrl |= FLASHCLK_IRQ_MLC | FLASHCLK_MLC_CLK_ENABLE; + break; + case LPC32XX_NAND_CONTROLLER_SLC: + flashclk_ctrl |= FLASHCLK_SELECT_SLC | FLASHCLK_SLC_CLK_ENABLE; + break; + default: + break; + } + + LPC32XX_FLASHCLK_CTRL = flashclk_ctrl; +} |