From: Nico Cheng <nico.cheng@rock-chips.com>
To: sjg@chromium.org, philipp.tomsich@vrull.eu, kever.yang@rock-chips.com
Cc: yamada.masahiro@socionext.com, chenjh@rock-chips.com,
jason.zhu@rock-chips.com, trini@konsulko.com,
yifeng.zhao@rock-chips.com, u-boot@lists.denx.de,
Nico Cheng <nico.cheng@rock-chips.com>
Subject: [PATCH v1 3/3] rockchip: rk3568: add arch_cpu_init()
Date: Fri, 8 Oct 2021 10:21:03 +0800 [thread overview]
Message-ID: <20210930112616.v1.3.Ib0d964f78ba35e91a4bef91d322101768d9fcfbf@changeid> (raw)
We configured the drive strength and security of EMMC in
arch_cpu_init().
Signed-off-by: Nico Cheng <nico.cheng@rock-chips.com>
---
arch/arm/mach-rockchip/rk3568/rk3568.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/arm/mach-rockchip/rk3568/rk3568.c b/arch/arm/mach-rockchip/rk3568/rk3568.c
index 973b4f9dcb..3f9a435c3c 100644
--- a/arch/arm/mach-rockchip/rk3568/rk3568.c
+++ b/arch/arm/mach-rockchip/rk3568/rk3568.c
@@ -13,6 +13,14 @@
#define PMUGRF_BASE 0xfdc20000
#define GRF_BASE 0xfdc60000
+#define GRF_GPIO1B_DS_2 0x218
+#define GRF_GPIO1B_DS_3 0x21c
+#define GRF_GPIO1C_DS_0 0x220
+#define GRF_GPIO1C_DS_1 0x224
+#define GRF_GPIO1C_DS_2 0x228
+#define GRF_GPIO1C_DS_3 0x22c
+#define SGRF_BASE 0xFDD18000
+#define SGRF_SOC_CON4 0x10
/* PMU_GRF_GPIO0D_IOMUX_L */
enum {
@@ -81,5 +89,16 @@ void board_debug_uart_init(void)
int arch_cpu_init(void)
{
+#ifdef CONFIG_SPL_BUILD
+ /* Set the emmc sdmmc0 to secure */
+ writel(((0x3 << 11 | 0x1 << 4) << 16), SGRF_BASE + SGRF_SOC_CON4);
+ /* set the emmc ds to level 2 */
+ writel(0x3f3f0707, GRF_BASE + GRF_GPIO1B_DS_2);
+ writel(0x3f3f0707, GRF_BASE + GRF_GPIO1B_DS_3);
+ writel(0x3f3f0707, GRF_BASE + GRF_GPIO1C_DS_0);
+ writel(0x3f3f0707, GRF_BASE + GRF_GPIO1C_DS_1);
+ writel(0x3f3f0707, GRF_BASE + GRF_GPIO1C_DS_2);
+ writel(0x3f3f0707, GRF_BASE + GRF_GPIO1C_DS_3);
+#endif
return 0;
}
--
2.17.1
next reply other threads:[~2021-10-08 2:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20211008020046.17446-1-nico.cheng@rock-chips.com>
2021-10-08 2:21 ` Nico Cheng [this message]
2021-10-08 17:33 ` [PATCH v1 3/3] rockchip: rk3568: add arch_cpu_init() Philipp Tomsich
2021-10-09 15:24 ` Kever Yang
2021-10-31 14:56 ` Alper Nebi Yasak
2021-10-09 15:20 ` Kever Yang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210930112616.v1.3.Ib0d964f78ba35e91a4bef91d322101768d9fcfbf@changeid \
--to=nico.cheng@rock-chips.com \
--cc=chenjh@rock-chips.com \
--cc=jason.zhu@rock-chips.com \
--cc=kever.yang@rock-chips.com \
--cc=philipp.tomsich@vrull.eu \
--cc=sjg@chromium.org \
--cc=trini@konsulko.com \
--cc=u-boot@lists.denx.de \
--cc=yamada.masahiro@socionext.com \
--cc=yifeng.zhao@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).