From 40eed74cc9deaa4343b31e49a6fbf7f037e8d841 Mon Sep 17 00:00:00 2001 From: BALATON Zoltan Date: Wed, 8 Oct 2025 14:25:02 +0200 Subject: [PATCH] hw/i2c/smbus_eeprom: Add minimum write recovery time for DDR2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is needed for newer u-boot-sam460ex versions to pass the DRAM setup. Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daudé Message-ID: <20251008122502.9DA8956F301@zero.eik.bme.hu> Signed-off-by: Philippe Mathieu-Daudé --- hw/i2c/smbus_eeprom.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/i2c/smbus_eeprom.c b/hw/i2c/smbus_eeprom.c index 0a1088fbb0..26e211b31a 100644 --- a/hw/i2c/smbus_eeprom.c +++ b/hw/i2c/smbus_eeprom.c @@ -288,6 +288,7 @@ uint8_t *spd_data_generate(enum sdram_type type, ram_addr_t ram_size) spd[33] = 8; /* addr/cmd hold time */ spd[34] = 20; /* data input setup time */ spd[35] = 8; /* data input hold time */ + spd[36] = (type == DDR2 ? 13 << 2 : 0); /* min. write recovery time */ /* checksum */ for (i = 0; i < 63; i++) {