diff options
Diffstat (limited to 'c/src/lib/libbsp/arm/tms570/hwinit/tms570_selftest_par_std.c')
-rw-r--r-- | c/src/lib/libbsp/arm/tms570/hwinit/tms570_selftest_par_std.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/c/src/lib/libbsp/arm/tms570/hwinit/tms570_selftest_par_std.c b/c/src/lib/libbsp/arm/tms570/hwinit/tms570_selftest_par_std.c deleted file mode 100644 index a9b20b5cb7..0000000000 --- a/c/src/lib/libbsp/arm/tms570/hwinit/tms570_selftest_par_std.c +++ /dev/null @@ -1,90 +0,0 @@ -/** - * @file tms570_selftest_par_std.c - * - * @ingroup tms570 - * - * @brief Generic parity based protection logic check applicable to HETx, HTUx, ADC, DMA and VIM. - */ -/* - * Copyright (c) 2016 Pavel Pisa <pisa@cmp.felk.cvut.cz> - * - * Czech Technical University in Prague - * Zikova 1903/4 - * 166 36 Praha 6 - * Czech Republic - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. - * - * Algorithms are based on Ti manuals and Ti HalCoGen generated - * code. - */ - -#include <stdint.h> -#include <stddef.h> -#include <bsp/tms570.h> -#include "tms570_selftest.h" -#include "tms570_selftest_parity.h" - -/** - * @brief run test to check that parity protection works for modules with common setup structure. - * - * @param[in] desc module registers addresses end ESM channels descriptor - * - * @return Void, in the case of error invokes bsp_selftest_fail_notification() - * - * The descriptor provides address of the module registers and address - * of internal RAM memory and corresponding parity area test access window. - * This test function is usable for HETx, HTUx, ADC, DMA and VIM TMS570 - * peripherals. - */ -void tms570_selftest_par_check_std( const tms570_selftest_par_desc_t *desc ) -{ - volatile uint32_t test_read_data; - uint32_t par_cr_bak = *desc->par_cr_reg; - int perr; - - /* Set TEST mode and enable parity checking */ - *desc->par_cr_reg = desc->par_cr_test | TMS570_SELFTEST_PAR_CR_KEY; - - /* flip parity bit */ - *desc->par_loc ^= desc->par_xor; - - /* Disable TEST mode */ - *desc->par_cr_reg = TMS570_SELFTEST_PAR_CR_KEY; - - /* read to cause parity error */ - test_read_data = *desc->ram_loc; - (void) test_read_data; - - /* check if ESM channel is flagged */ - perr = tms570_esm_channel_sr_get( desc->esm_prim_grp, desc->esm_prim_chan ); - - if ( desc->esm_sec_grp ) - perr |= tms570_esm_channel_sr_get( desc->esm_sec_grp, desc->esm_sec_chan ); - - if ( !perr ) { - /* RAM parity error was not flagged to ESM. */ - bsp_selftest_fail_notification( desc->fail_code ); - } else { - /* If periperal has it own parity status register, clear it */ - if ( desc->par_st_reg != NULL ) - *desc->par_st_reg = desc->par_st_clear; - - /* clear ESM flag */ - tms570_esm_channel_sr_clear( desc->esm_prim_grp, desc->esm_prim_chan ); - - if ( desc->esm_sec_grp ) - tms570_esm_channel_sr_clear( desc->esm_sec_grp, desc->esm_sec_chan ); - - /* Set TEST mode and enable parity checking */ - *desc->par_cr_reg = desc->par_cr_test | TMS570_SELFTEST_PAR_CR_KEY; - - /* Revert back to correct data by flipping parity location */ - *desc->par_loc ^= desc->par_xor; - } - - /* Restore Parity comtrol register */ - *desc->par_cr_reg = par_cr_bak; -} |