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[Qemu-devel] [PATCH 2/3] aspeed/smc: fix HW strapping


From: Cédric Le Goater
Subject: [Qemu-devel] [PATCH 2/3] aspeed/smc: fix HW strapping
Date: Tue, 12 Jun 2018 08:57:15 +0200

Only the flash type is strapped by HW. The 4BYTE mode is set by
firmware when the flash device is detected.

Signed-off-by: Cédric Le Goater <address@hidden>
---
 hw/ssi/aspeed_smc.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c
index fce126e6ee92..b15370893583 100644
--- a/hw/ssi/aspeed_smc.c
+++ b/hw/ssi/aspeed_smc.c
@@ -639,23 +639,17 @@ static void aspeed_smc_reset(DeviceState *d)
             aspeed_smc_segment_to_reg(&s->ctrl->segments[i]);
     }
 
-    /* HW strapping for AST2500 FMC controllers  */
+    /* HW strapping flash type for FMC controllers  */
     if (s->ctrl->segments == aspeed_segments_ast2500_fmc) {
         /* flash type is fixed to SPI for CE0 and CE1 */
         s->regs[s->r_conf] |= (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE0);
         s->regs[s->r_conf] |= (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE1);
-
-        /* 4BYTE mode is autodetected for CE0. Let's force it to 1 for
-         * now */
-        s->regs[s->r_ce_ctrl] |= (1 << (CTRL_EXTENDED0));
     }
 
     /* HW strapping for AST2400 FMC controllers (SCU70). Let's use the
      * configuration of the palmetto-bmc machine */
     if (s->ctrl->segments == aspeed_segments_fmc) {
         s->regs[s->r_conf] |= (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE0);
-
-        s->regs[s->r_ce_ctrl] |= (1 << (CTRL_EXTENDED0));
     }
 }
 
-- 
2.13.6




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