<div dir="ltr">ping.<div><br></div><div>I also missed the branch for this patch, but this should be in the v2016.07-aspeed-openbmc u-boot branch.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Apr 13, 2021 at 9:12 AM Willy Tu <<a href="mailto:wltu@google.com">wltu@google.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Add option to enable register for SGPIO in SCU<br>
for ast-g4.<br>
<br>
Signed-off-by: Willy Tu <<a href="mailto:wltu@google.com" target="_blank">wltu@google.com</a>><br>
---<br>
board/aspeed/ast-g4/Kconfig | 4 ++++<br>
board/aspeed/ast-g4/ast-g4.c | 13 +++++++++++++<br>
2 files changed, 17 insertions(+)<br>
<br>
diff --git a/board/aspeed/ast-g4/Kconfig b/board/aspeed/ast-g4/Kconfig<br>
index 2bec9a733a..e78030ae34 100644<br>
--- a/board/aspeed/ast-g4/Kconfig<br>
+++ b/board/aspeed/ast-g4/Kconfig<br>
@@ -19,4 +19,8 @@ config SYS_CONFIG_NAME<br>
default "ast-g4-phy" if ASPEED_NET_PHY<br>
default "ast-g4-ncsi" if ASPEED_NET_NCSI<br>
<br>
+config ENABLE_SGPIO<br>
+ tristate "Enable SGPIO in SCU"<br>
+ default n<br>
+<br>
endif<br>
diff --git a/board/aspeed/ast-g4/ast-g4.c b/board/aspeed/ast-g4/ast-g4.c<br>
index 656495307b..e2463d4524 100644<br>
--- a/board/aspeed/ast-g4/ast-g4.c<br>
+++ b/board/aspeed/ast-g4/ast-g4.c<br>
@@ -22,6 +22,19 @@ int board_init(void)<br>
/* address of boot parameters */<br>
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;<br>
gd->flags = 0;<br>
+<br>
+#ifdef CONFIG_ENABLE_SGPIO<br>
+ /* Unlock SCU */<br>
+ writel(SCU_PROTECT_UNLOCK, AST_SCU_BASE);<br>
+<br>
+ /* Enable SGPIO Master */<br>
+ u32 reg = readl(AST_SCU_BASE + AST_SCU_FUN_PIN_CTRL2);<br>
+ reg |= (SCU_FUN_PIN_SGPMI |<br>
+ SCU_FUN_PIN_SGPMO |<br>
+ SCU_FUN_PIN_SGPMLD |<br>
+ SCU_FUN_PIN_SGPMCK);<br>
+ writel(reg, AST_SCU_BASE + AST_SCU_FUN_PIN_CTRL2);<br>
+#endif<br>
return 0;<br>
}<br>
<br>
--<br>
2.31.1.295.g9ea45b61b8-goog<br>
<br>
</blockquote></div>