[U-Boot] [PATCH V3 21/32] mx6q_4x_mt41j128.cfg: skip initiailizing non-existent memory

Eric Nelson
2012-10-07T21:01:42Z

Hi Troy,

On 10/03/2012 06:47 PM, Troy Kisky wrote:
> Sabrelite does not have memory associated with CS1
>
> Signed-off-by: Troy Kisky<troy.kisky@boundarydevices.com>
> ---
> board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg | 5 -----
> 1 file changed, 5 deletions(-)
>
> diff --git a/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg b/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
> index 9c622c8..2d03ff7 100644
> --- a/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
> +++ b/board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
> @@ -155,20 +155,15 @@ WRITE_ENTRY1(MMDC_P0_MDCTL, 0x831A0000)
>
> /* MDSCR, con_req, LOAD MR2, CS0, A3,A10 set (CAS Write=6), RZQ/2 */
> WRITE_ENTRY1(MMDC_P0_MDSCR, 0x04088032)
> -WRITE_ENTRY1(MMDC_P0_MDSCR, 0x0408803A)
> /* LOAD MR3, CS0 */
> WRITE_ENTRY1(MMDC_P0_MDSCR, 0x00008033)
> -WRITE_ENTRY1(MMDC_P0_MDSCR, 0x0000803B)
> /* LOAD MR1, CS0, A1,A6 set Rtt=RZQ/2, ODI=RZQ/7 */
> WRITE_ENTRY1(MMDC_P0_MDSCR, 0x00428031)
> -WRITE_ENTRY1(MMDC_P0_MDSCR, 0x00428039)
> /* LOAD MR0, CS0, A6,A8,A11 set CAS=8, WR=8, DLL reset */
> WRITE_ENTRY1(MMDC_P0_MDSCR, 0x09408030)
> -WRITE_ENTRY1(MMDC_P0_MDSCR, 0x09408038)
>
> /* ZQ calibrate, CS0 */
> WRITE_ENTRY1(MMDC_P0_MDSCR, 0x04008040)
> -WRITE_ENTRY1(MMDC_P0_MDSCR, 0x04008048)
> WRITE_ENTRY1(MMDC_P0_MPZQHWCTRL, 0xA1380003)
> WRITE_ENTRY1(MMDC_P1_MPZQHWCTRL, 0xA1380003)
>

Note that mx6qsabreauto and mx6qsabresd also use this config file.
That said, none of these boards have pad DRAM_CS1 connected.