diff mbox series

[U-Boot,2/6] net: macb: add support for faster clk rates

Message ID 20190611151930.15852-2-rfried.dev@gmail.com
State Superseded
Delegated to: Joe Hershberger
Headers show
Series [U-Boot,1/6] net: macb: sync header definitions as taken from Linux | expand

Commit Message

Ramon Fried June 11, 2019, 3:19 p.m. UTC
add support for clock rates higher than 2.4Mhz

Signed-off-by: Ramon Fried <rfried.dev@gmail.com>
---

 drivers/net/macb.c | 6 +++++-
 drivers/net/macb.h | 2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)

Comments

Anup Patel July 3, 2019, 3:35 a.m. UTC | #1
> -----Original Message-----
> From: U-Boot <u-boot-bounces@lists.denx.de> On Behalf Of Ramon Fried
> Sent: Tuesday, June 11, 2019 8:49 PM
> To: u-boot@lists.denx.de
> Cc: Joe Hershberger <joe.hershberger@ni.com>
> Subject: [U-Boot] [PATCH 2/6] net: macb: add support for faster clk rates
> 
> add support for clock rates higher than 2.4Mhz
> 
> Signed-off-by: Ramon Fried <rfried.dev@gmail.com>
> ---
> 
>  drivers/net/macb.c | 6 +++++-
>  drivers/net/macb.h | 2 ++
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/macb.c b/drivers/net/macb.c index
> 5858004858..6885da9c38 100644
> --- a/drivers/net/macb.c
> +++ b/drivers/net/macb.c
> @@ -901,8 +901,12 @@ static u32 gem_mdc_clk_div(int id, struct
> macb_device *macb)
>  		config = GEM_BF(CLK, GEM_CLK_DIV48);
>  	else if (macb_hz < 160000000)
>  		config = GEM_BF(CLK, GEM_CLK_DIV64);
> -	else
> +	else if (macb_hz < 240000000)
>  		config = GEM_BF(CLK, GEM_CLK_DIV96);
> +	else if (macb_hz < 320000000)
> +		config = GEM_BF(CLK, GEM_CLK_DIV128);
> +	else
> +		config = GEM_BF(CLK, GEM_CLK_DIV224);
> 
>  	return config;
>  }
> diff --git a/drivers/net/macb.h b/drivers/net/macb.h index
> 8966c793a7..9b16383eba 100644
> --- a/drivers/net/macb.h
> +++ b/drivers/net/macb.h
> @@ -613,6 +613,8 @@
>  #define GEM_CLK_DIV48				3
>  #define GEM_CLK_DIV64				4
>  #define GEM_CLK_DIV96				5
> +#define GEM_CLK_DIV128				6
> +#define GEM_CLK_DIV224				7
> 
>  /* Constants for MAN register */
>  #define MACB_MAN_SOF				1
> --
> 2.21.0
> 
> _______________________________________________
> U-Boot mailing list
> U-Boot@lists.denx.de
> https://lists.denx.de/listinfo/u-boot

Reviewed-by: Anup Patel <anup.patel@wdc.com>
Tested-by: Anup Patel <anup.patel@wdc.com>

Regards,
Anup
Joe Hershberger July 8, 2019, 11:09 p.m. UTC | #2
On Tue, Jun 11, 2019 at 10:40 AM Ramon Fried <rfried.dev@gmail.com> wrote:
>
> add support for clock rates higher than 2.4Mhz
>
> Signed-off-by: Ramon Fried <rfried.dev@gmail.com>

Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff mbox series

Patch

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 5858004858..6885da9c38 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -901,8 +901,12 @@  static u32 gem_mdc_clk_div(int id, struct macb_device *macb)
 		config = GEM_BF(CLK, GEM_CLK_DIV48);
 	else if (macb_hz < 160000000)
 		config = GEM_BF(CLK, GEM_CLK_DIV64);
-	else
+	else if (macb_hz < 240000000)
 		config = GEM_BF(CLK, GEM_CLK_DIV96);
+	else if (macb_hz < 320000000)
+		config = GEM_BF(CLK, GEM_CLK_DIV128);
+	else
+		config = GEM_BF(CLK, GEM_CLK_DIV224);
 
 	return config;
 }
diff --git a/drivers/net/macb.h b/drivers/net/macb.h
index 8966c793a7..9b16383eba 100644
--- a/drivers/net/macb.h
+++ b/drivers/net/macb.h
@@ -613,6 +613,8 @@ 
 #define GEM_CLK_DIV48				3
 #define GEM_CLK_DIV64				4
 #define GEM_CLK_DIV96				5
+#define GEM_CLK_DIV128				6
+#define GEM_CLK_DIV224				7
 
 /* Constants for MAN register */
 #define MACB_MAN_SOF				1