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Diffstat (limited to 'wirish/native_sram.cpp')
-rw-r--r-- | wirish/native_sram.cpp | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/wirish/native_sram.cpp b/wirish/native_sram.cpp new file mode 100644 index 0000000..5e8095f --- /dev/null +++ b/wirish/native_sram.cpp @@ -0,0 +1,45 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2011 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +#include "native_sram.h" +#include "libmaple.h" +#include "fsmc.h" +#include "rcc.h" + +#ifdef BOARD_maple_native + +void initNativeSRAM(void) { + fsmc_nor_psram_reg_map *regs = FSMC_NOR_PSRAM1_BASE; + + fsmc_sram_init_gpios(); + rcc_clk_enable(RCC_FSMC); + + regs->BCR = FSMC_BCR_WREN | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN; + fsmc_nor_psram_set_addset(regs, 0); + fsmc_nor_psram_set_datast(regs, 3); +} + +#endif |