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liblitedram/sdram_spd: fix invalid buffer index 

Signed-off-by: Michal Sieron <msieron@antmicro.com>
This commit is contained in:
Michal Sieron 2023-01-12 13:47:38 +01:00
parent d67a7b13ae
commit 6a38e83ff6
1 changed files with 3 additions and 2 deletions
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5
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;
} }