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From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 12/18] arm: mx6: add support for Compulab cm-fx6 CoM
Date: Mon, 4 Aug 2014 17:12:27 +0200	[thread overview]
Message-ID: <201408041712.27425.marex@denx.de> (raw)
In-Reply-To: <53DF9B7F.8070301@compulab.co.il>

On Monday, August 04, 2014 at 04:41:03 PM, Nikita Kiryanov wrote:
> On 03/08/14 17:09, Marek Vasut wrote:
> > On Sunday, August 03, 2014 at 09:34:42 AM, Nikita Kiryanov wrote:
> >> Add initial support for Compulab CM-FX6 CoM.
> >> Support includes MMC, SPI flash, and SPL with dynamic DRAM detection.
> >> 
> >> Cc: Igor Grinberg <grinberg@compulab.co.il>
> >> Cc: Stefano Babic <sbabic@denx.de>
> >> Cc: Tom Rini <trini@ti.com>
> >> Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
> >> ---
> >> 
> >>   arch/arm/cpu/armv7/mx6/ddr.c       |   1 -
> >>   board/compulab/cm_fx6/Makefile     |  12 ++
> >>   board/compulab/cm_fx6/cm_fx6.c     | 108 ++++++++++
> >>   board/compulab/cm_fx6/common.c     |  83 ++++++++
> >>   board/compulab/cm_fx6/common.h     |  36 ++++
> >>   board/compulab/cm_fx6/imximage.cfg |   8 +
> >>   board/compulab/cm_fx6/spl.c        | 400
> >> 
> >> +++++++++++++++++++++++++++++++++++++ boards.cfg                        
> >> |
> >> 
> >>    2 +
> >>   
> >>   include/configs/cm_fx6.h           | 227 +++++++++++++++++++++
> >>   9 files changed, 876 insertions(+), 1 deletion(-)
> >>   create mode 100644 board/compulab/cm_fx6/Makefile
> >>   create mode 100644 board/compulab/cm_fx6/cm_fx6.c
> >>   create mode 100644 board/compulab/cm_fx6/common.c
> >>   create mode 100644 board/compulab/cm_fx6/common.h
> >>   create mode 100644 board/compulab/cm_fx6/imximage.cfg
> >>   create mode 100644 board/compulab/cm_fx6/spl.c
> >>   create mode 100644 include/configs/cm_fx6.h
> >> 
> >> diff --git a/arch/arm/cpu/armv7/mx6/ddr.c b/arch/arm/cpu/armv7/mx6/ddr.c
> >> index d3891dc..219263a 100644
> >> --- a/arch/arm/cpu/armv7/mx6/ddr.c
> >> +++ b/arch/arm/cpu/armv7/mx6/ddr.c
> >> @@ -4,7 +4,6 @@
> >> 
> >>    *
> >>    * SPDX-License-Identifier:     GPL-2.0+
> >>    */
> >> 
> >> -
> >> 
> >>   #include <common.h>
> >>   #include <linux/types.h>
> >>   #include <asm/arch/mx6-ddr.h>
> > 
> > Drop this piece ;-)
> 
> Yep...
> 
> > [...]
> > 
> >> +++ b/board/compulab/cm_fx6/cm_fx6.c
> > 
> > [...]
> > 
> >> +static ulong bank1_size;
> >> +static ulong bank2_size;
> >> +
> >> +#define MMDC1_MDCTL 0x21B0000
> >> +static int probe_mmdc_config(void)
> >> +{
> >> +	u32 val = readl(0x21B0000);
> >> +	switch (val) {
> >> +	case 0x83180000: /* DDR_16BIT_256MB */
> >> +		gd->ram_size	= 0x10000000;
> >> +		bank1_size	= 0x10000000;
> >> +		bank2_size	= 0;
> >> +		break;
> >> +	case 0x83190000: /* DDR_32BIT_512MB */
> >> +		gd->ram_size	= 0x20000000;
> >> +		bank1_size	= 0x20000000;
> >> +		bank2_size	= 0;
> >> +		break;
> > 
> > imx_ddr_size() won't cut it here ?
> 
> It doesn't handle 4GB correctly (returns 0). I suppose
> I can make a patch which caps the return value of
> imx_ddr_size() for MX6 socs to 3840MB.
> What do you think?

That you should check the U-Boot ML, since that's what I did yesterday ;-) But 
still, this is rather sad practice -- instead of fixing a bug in code which you 
do know about, you implement such a workaround :-(

  reply	other threads:[~2014-08-04 15:12 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
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 [this message]
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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