[83374f3] | 1 | /*===============================================================*\ |
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| 2 | | Project: SPI driver for M25P40 like spi flash device | |
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| 3 | +-----------------------------------------------------------------+ |
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| 4 | | Copyright (c) 2007 | |
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| 5 | | Embedded Brains GmbH | |
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| 6 | | Obere Lagerstr. 30 | |
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| 7 | | D-82178 Puchheim | |
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| 8 | | Germany | |
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| 9 | | rtems@embedded-brains.de | |
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| 10 | +-----------------------------------------------------------------+ |
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| 11 | | The license and distribution terms for this file may be | |
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| 12 | | found in the file LICENSE in this distribution or at | |
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| 13 | | | |
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| 14 | | http://www.rtems.com/license/LICENSE. | |
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| 15 | | | |
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| 16 | +-----------------------------------------------------------------+ |
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| 17 | \*===============================================================*/ |
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| 18 | |
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| 19 | #include <rtems.h> |
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| 20 | #include <rtems/libi2c.h> |
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| 21 | |
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| 22 | #include <libchip/spi-flash-m25p40.h> |
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| 23 | #include <rtems/libio.h> |
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| 24 | |
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| 25 | |
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[42bf1b9] | 26 | static spi_memdrv_t spi_flash_m25p40_rw_drv_t = { |
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| 27 | {/* public fields */ |
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| 28 | ops: &spi_memdrv_rw_ops, /* operations of general memdrv */ |
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| 29 | size: sizeof (spi_flash_m25p40_rw_drv_t), |
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| 30 | }, |
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| 31 | { /* our private fields */ |
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| 32 | baudrate: 2000000, |
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[6640459d] | 33 | erase_before_program: true, |
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[42bf1b9] | 34 | empty_state: 0xff, |
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| 35 | page_size: 256, /* programming page size in byte */ |
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[05c599d] | 36 | sector_size: 0x10000 /* 64*1024 */, /* erase sector size in byte */ |
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| 37 | mem_size: 0x80000 /* 512*1024 */ /* total capacity in byte */ |
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[83374f3] | 38 | } |
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| 39 | }; |
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| 40 | |
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[3495c57] | 41 | rtems_libi2c_drv_t *spi_flash_m25p40_rw_driver_descriptor = |
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[42bf1b9] | 42 | &spi_flash_m25p40_rw_drv_t.libi2c_drv_entry; |
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| 43 | |
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| 44 | static spi_memdrv_t spi_flash_m25p40_ro_drv_t = { |
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| 45 | {/* public fields */ |
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| 46 | ops: &spi_memdrv_ro_ops, /* operations of general memdrv */ |
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| 47 | size: sizeof (spi_flash_m25p40_ro_drv_t), |
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| 48 | }, |
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| 49 | { /* our private fields */ |
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| 50 | baudrate: 2000000, |
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[6640459d] | 51 | erase_before_program: true, |
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[42bf1b9] | 52 | empty_state: 0xff, |
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| 53 | page_size: 256, /* programming page size in byte */ |
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[05c599d] | 54 | sector_size: 0x10000 /* 64*1024 */, /* erase sector size in byte */ |
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| 55 | mem_size: 0x80000 /* 512*1024 */ /* total capacity in byte */ |
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[42bf1b9] | 56 | } |
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[83374f3] | 57 | }; |
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| 58 | |
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[3495c57] | 59 | rtems_libi2c_drv_t *spi_flash_m25p40_ro_driver_descriptor = |
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[42bf1b9] | 60 | &spi_flash_m25p40_ro_drv_t.libi2c_drv_entry; |
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