diff options
Diffstat (limited to 'src/usr/pnor/sfc_ast2400.C')
| -rw-r--r-- | src/usr/pnor/sfc_ast2400.C | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/src/usr/pnor/sfc_ast2400.C b/src/usr/pnor/sfc_ast2400.C index 197cd6b1a..5384e7b62 100644 --- a/src/usr/pnor/sfc_ast2400.C +++ b/src/usr/pnor/sfc_ast2400.C @@ -135,19 +135,38 @@ errlHndl_t SfcAST2400::writeFlash( uint32_t i_addr, { TRACDCOMP( g_trac_pnor, ENTER_MRK"SfcAST2400::writeFlash> i_addr=0x%.8x, i_size=0x%.8x", i_addr, i_size ); errlHndl_t l_err = NULL; + size_t l_bytes_left = i_size; + size_t l_bytes_to_write = 0; + uint32_t l_addr_to_write = i_addr; do { // Enable write mode l_err = enableWriteMode(); if( l_err ) { break; } + // Page Program (PP) command only supports 256 bytes at a time + if( l_bytes_left <= PNOR::PAGE_PROGRAM_BYTES ) + { + l_bytes_to_write = l_bytes_left; + l_bytes_left = 0; + } + else + { + l_bytes_to_write = PNOR::PAGE_PROGRAM_BYTES; + l_bytes_left -= PNOR::PAGE_PROGRAM_BYTES; + } + // Send in the Page Program command with the data to write uint8_t opcode = PNOR::SPI_JEDEC_PAGE_PROGRAM; - l_err = sendSpiCmd( opcode, i_addr, - i_size, reinterpret_cast<uint8_t*>(i_data), + l_err = sendSpiCmd( opcode, l_addr_to_write, + l_bytes_to_write, + reinterpret_cast<uint8_t*>(i_data), 0, NULL ); if( l_err ) { break; } + // Move to the next chunk + l_addr_to_write += l_bytes_to_write; + // Wait for idle l_err = pollOpComplete(); if( l_err ) { break; } @@ -161,7 +180,7 @@ errlHndl_t SfcAST2400::writeFlash( uint32_t i_addr, } #endif - } while(0); + } while(l_bytes_left); TRACDCOMP( g_trac_pnor, EXIT_MRK"SfcAST2400::writeFlash> err=%.8X", ERRL_GETEID_SAFE(l_err) ); return l_err; @@ -173,7 +192,7 @@ errlHndl_t SfcAST2400::writeFlash( uint32_t i_addr, */ errlHndl_t SfcAST2400::eraseFlash( uint32_t i_addr ) { - TRACFCOMP(g_trac_pnor, ">>SfcAST2400::eraseFlash> Block 0x%.8X", i_addr ); + TRACDCOMP(g_trac_pnor, ">>SfcAST2400::eraseFlash> Block 0x%.8X", i_addr ); errlHndl_t l_err = NULL; do { |
