From: Nikita Kiryanov <nikita@compulab.co.il>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 10/18] arm: mx6: ddr: configure MMDC for slow_pd
Date: Mon, 04 Aug 2014 15:49:38 +0300 [thread overview]
Message-ID: <53DF8162.8090609@compulab.co.il> (raw)
In-Reply-To: <CAJ+vNU2DTNB4-+8osfo5Wsxmjz+bvAv0CyCpOA=3-FxzdTcs2g@mail.gmail.com>
On 04/08/14 08:42, Tim Harvey wrote:
> On Sun, Aug 3, 2014 at 12:34 AM, Nikita Kiryanov <nikita@compulab.co.il> wrote:
>> According to MX6 TRM, both MMDC and DRAM should be configured to
>> the same powerdown precharge. Currently, mx6_dram_cfg()
>> configures MMDC for fast pd, and the DRAM for slow pd.
>
> Nikita,
>
> I'm inclined to agree with you. A glance at some of the existing
> non-spl board config's show this same discrepancy which probably comes
> form an error in the IMX DDR3 Script Aid spreadsheet
> (https://community.freescale.com/docs/DOC-94917).
>
> I would at least add to the description the fact that the precharge pd
> is MR0 bit12 for DRAM and the current value of 0 indicates 'Slow exit
> (DLL off)'. I've asked our Freescale FAE for clarification to see if
> the spreadsheet is in error.
OK, I'll add it once the FAE confirms the error.
>
> Regards,
>
> Tim
>
next prev parent reply other threads:[~2014-08-04 12:49 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-03 7:34 [U-Boot] [PATCH 00/18] Introduce cm-fx6 board Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 01/18] spl: improve spi configuration Nikita Kiryanov
2014-08-03 13:44 ` Marek Vasut
2014-08-05 13:28 ` Nikita Kiryanov
2014-08-05 14:11 ` Marek Vasut
2014-08-06 10:53 ` Nikita Kiryanov
2014-08-06 11:32 ` Marek Vasut
2014-08-03 7:34 ` [U-Boot] [PATCH 02/18] mx6: add clock enabling functions Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 03/18] sf: fix sf probe Nikita Kiryanov
2014-08-03 13:46 ` Marek Vasut
2014-08-04 12:48 ` Nikita Kiryanov
2014-08-04 13:10 ` Marek Vasut
2014-08-04 13:45 ` Nikita Kiryanov
2014-08-04 13:51 ` Marek Vasut
2014-08-04 14:11 ` Nikita Kiryanov
2014-08-04 14:20 ` Marek Vasut
2014-08-04 14:02 ` Tom Rini
2014-08-04 14:09 ` Marek Vasut
2014-08-04 14:19 ` Nikita Kiryanov
2014-08-04 14:58 ` Tom Rini
2014-08-03 7:34 ` [U-Boot] [PATCH 04/18] mtd: spi: add support for M25PE16 and M25PX16 Nikita Kiryanov
2014-08-03 13:47 ` Marek Vasut
2014-08-03 7:34 ` [U-Boot] [PATCH 05/18] compulab: eeprom: add support for defining eeprom i2c bus Nikita Kiryanov
2014-08-03 13:48 ` Marek Vasut
2014-08-04 12:49 ` Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 06/18] sata: dwc_ahsata: implement sata_port_status Nikita Kiryanov
2014-08-03 13:49 ` Marek Vasut
2014-08-04 12:49 ` Nikita Kiryanov
2014-08-04 13:10 ` Marek Vasut
2014-08-03 7:34 ` [U-Boot] [PATCH 07/18] i2c: imx: add macros to setup pads for multiple SoC types Nikita Kiryanov
2014-08-04 4:28 ` Tim Harvey
2014-08-03 7:34 ` [U-Boot] [PATCH 08/18] arm: mx6: ddr: cleanup Nikita Kiryanov
2014-08-04 5:26 ` Tim Harvey
2014-08-03 7:34 ` [U-Boot] [PATCH 09/18] arm: mx6: ddr: do not write into reserved bit Nikita Kiryanov
2014-08-04 5:43 ` Tim Harvey
2014-08-04 12:49 ` Nikita Kiryanov
2014-08-06 8:18 ` Tim Harvey
2014-08-06 8:31 ` Stefano Babic
2014-08-03 7:34 ` [U-Boot] [PATCH 10/18] arm: mx6: ddr: configure MMDC for slow_pd Nikita Kiryanov
2014-08-04 5:42 ` Tim Harvey
2014-08-04 12:49 ` Nikita Kiryanov [this message]
2014-08-03 7:34 ` [U-Boot] [PATCH 11/18] arm: mx6: ddr: fix cs0_end calculation Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 12/18] arm: mx6: add support for Compulab cm-fx6 CoM Nikita Kiryanov
2014-08-03 14:09 ` Marek Vasut
2014-08-04 14:41 ` Nikita Kiryanov
2014-08-04 15:12 ` Marek Vasut
2014-08-05 7:36 ` Nikita Kiryanov
2014-08-05 7:58 ` Marek Vasut
2014-08-04 4:45 ` Tim Harvey
2014-08-04 13:36 ` Nikita Kiryanov
2014-08-06 17:29 ` Nikita Kiryanov
2014-08-08 7:19 ` Tim Harvey
2014-08-10 16:20 ` Nikita Kiryanov
2014-08-04 6:02 ` Tim Harvey
2014-08-04 14:24 ` Nikita Kiryanov
2014-08-07 11:27 ` Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 13/18] arm: mx6: cm_fx6: add nand support Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 14/18] arm: mx6: cm_fx6: add ethernet support Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 15/18] arm: mx6: cm_fx6: add usb support Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 16/18] arm: mx6: cm_fx6: add i2c support Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 17/18] arm: mx6: cm_fx6: use eeprom Nikita Kiryanov
2014-08-03 7:34 ` [U-Boot] [PATCH 18/18] arm: mx6: cm_fx6: add sata support Nikita Kiryanov
2014-08-03 14:10 ` Marek Vasut
2014-08-04 7:23 ` Igor Grinberg
2014-08-04 8:27 ` Marek Vasut
2014-08-04 10:47 ` Igor Grinberg
2014-08-04 10:53 ` Marek Vasut
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