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Merge pull request #1566 from antmicro/msieron/sdram-read-spd-fix

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liblitedram/sdram_spd: fix invalid buffer index
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enjoy-digital 2023-01-12 16:51:20 +01:00 committed by GitHub
commit 8b14e64906
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 2 deletions
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litex/soc/software/liblitedram/sdram_spd.c
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@ -31,7 +31,7 @@ static bool sdram_select_spd_page(uint8_t page) {
bool sdram_read_spd(uint8_t spd, uint16_t addr, uint8_t *buf, uint16_t len, bool send_stop) { bool sdram_read_spd(uint8_t spd, uint16_t addr, uint8_t *buf, uint16_t len, bool send_stop) {
uint8_t page; uint8_t page;
uint16_t offset; uint16_t offset;
uint16_t temp_len; uint16_t temp_len, read_bytes = 0;
bool temp_send_stop = false; bool temp_send_stop = false;
bool ok = true; bool ok = true;
@ -48,8 +48,9 @@ bool sdram_read_spd(uint8_t spd, uint16_t addr, uint8_t *buf, uint16_t len, bool
temp_len = len; temp_len = len;
} }
ok &= i2c_read(SPD_RW_ADDR(spd), offset, &buf[page * SDRAM_SPD_PAGE_SIZE], len, temp_send_stop, 1); ok &= i2c_read(SPD_RW_ADDR(spd), offset, &buf[read_bytes], len, temp_send_stop, 1);
len -= temp_len; len -= temp_len;
read_bytes += temp_len;
addr += temp_len; addr += temp_len;
} }