From: Sascha Hauer <s.hauer@pengutronix.de>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 2/2] ARM: i.MX: nxp-imx8mm-evk: adjust DDR training order
Date: Fri, 2 Oct 2020 06:21:07 +0200 [thread overview]
Message-ID: <20201002042107.GQ11648@pengutronix.de> (raw)
In-Reply-To: <20200930132417.351944-2-l.stach@pengutronix.de>
Hi Lucas,
On Wed, Sep 30, 2020 at 03:24:17PM +0200, Lucas Stach wrote:
> This way we end up with the fastest DDR speed when training is finished
> and don't need to rely on TF-A to switch into a higher DDR speed.
>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> ---
> arch/arm/boards/nxp-imx8mm-evk/lpddr4-timing.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/arch/arm/boards/nxp-imx8mm-evk/lpddr4-timing.c b/arch/arm/boards/nxp-imx8mm-evk/lpddr4-timing.c
> index b164bdec07f1..33ef5542a364 100644
> --- a/arch/arm/boards/nxp-imx8mm-evk/lpddr4-timing.c
> +++ b/arch/arm/boards/nxp-imx8mm-evk/lpddr4-timing.c
> @@ -118,7 +118,7 @@ static struct dram_cfg_param lpddr4_ddrc_cfg[] = {
> { DDRC_FREQ2_INIT7(0), 0x0006004a },
>
> /* boot start point */
> - { DDRC_MSTR2(0), 0x2 }, //DDRC_MSTR2
> + { DDRC_MSTR2(0), 0x0 }, //DDRC_MSTR2
What's this change about?
Sascha
> };
>
> /* PHY Initialize Configuration */
> @@ -1940,12 +1940,6 @@ static struct dram_fsp_msg lpddr4_dram_fsp_msg[] = {
> .fw_type = FW_1D_IMAGE,
> .fsp_cfg = lpddr4_fsp0_cfg,
> .fsp_cfg_num = ARRAY_SIZE(lpddr4_fsp0_cfg),
> - }, {
> - /* P0 3000mts 2D */
> - .drate = 3000,
> - .fw_type = FW_2D_IMAGE,
> - .fsp_cfg = lpddr4_fsp0_2d_cfg,
> - .fsp_cfg_num = ARRAY_SIZE(lpddr4_fsp0_2d_cfg),
> }, {
> /* P1 400mts 1D */
> .drate = 400,
> @@ -1958,6 +1952,12 @@ static struct dram_fsp_msg lpddr4_dram_fsp_msg[] = {
> .fw_type = FW_1D_IMAGE,
> .fsp_cfg = lpddr4_fsp2_cfg,
> .fsp_cfg_num = ARRAY_SIZE(lpddr4_fsp2_cfg),
> + }, {
> + /* P0 3000mts 2D */
> + .drate = 3000,
> + .fw_type = FW_2D_IMAGE,
> + .fsp_cfg = lpddr4_fsp0_2d_cfg,
> + .fsp_cfg_num = ARRAY_SIZE(lpddr4_fsp0_2d_cfg),
> },
> };
>
> --
> 2.20.1
>
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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next prev parent reply other threads:[~2020-10-02 4:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 13:24 [PATCH 1/2] drivers/ddr/imx8: remove leftover DEBUG defines Lucas Stach
2020-09-30 13:24 ` [PATCH 2/2] ARM: i.MX: nxp-imx8mm-evk: adjust DDR training order Lucas Stach
2020-10-02 4:21 ` Sascha Hauer [this message]
2020-10-02 8:19 ` Lucas Stach
2020-10-07 8:05 ` Sascha Hauer
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