[U-Boot] [PATCH v4 0/4] Tegra: MMC: Add DT support for MMC to T20 boards

Marc Dietrich
2013-02-14T22:48:09Z

Hi Tom,

On Thursday 14 February 2013 14:03:57 Tom Warren wrote:
> This patchset adds device-tree support to the Tegra MMC driver.
> All device config is done via properties in the DT files instead
> of hard-coded config options/function arguments.
>
> I've tested this on my Seaboard and everything works fine,
> including card detect. For the other T20 boards, I've used
> the Linux kernel DTS files for the sdhci nodes where there
> wasn't one already, or expanded the info that was already
> there. Everything builds fine, but I haven't tested anything
> but Seaboard.

unfortunately, this is still no go on PAZ00.

U-Boot SPL 2013.01-00093-g206c157-dirty (Feb 14 2013 - 23:37:03)

U-Boot 2013.01-00093-g206c157-dirty (Feb 14 2013 - 23:37:03)

TEGRA20
Board: Compal Paz00
DRAM: 512 MiB
MMC: tegra_mmc_init entry
tegra_mmc_init: count of sdhci nodes is 2
process_nodes: count = 2
mmc_get_config: node = 5772
mmc_get_config: found controller at c8000600, width = 8, periph_id = 15
do_mmc_init: index 0, bus width 8 pwr_gpio -1 cd_gpio -1
do_mmc_init: bus width = 8
mmc_get_config: node = 5244
mmc_get_config: found controller at c8000000, width = 4, periph_id = 14
do_mmc_init: index 1, bus width 4 pwr_gpio 169 cd_gpio 173
Power GPIO name = power-gpios
CD GPIO name = cd-gpios
do_mmc_init: CD state = 0
do_mmc_init: bus width = 4
Tegra SD/MMC: 0, Tegra SD/MMC: 1
tegra_mmc_getcd called, host->cd_gpio = 0x1FBCC044
mmc_reset called

... so far so good

# ext2ls mmc 1
tegra_mmc_getcd called, host->cd_gpio = 0x1FBCC084
mmc_reset called
mmc_core_init: host version = 0
mmc_set_ios: bus_width: 1, clock: 375000
mmc_change_clock called
mmc_change_clock: div = 8
mmc_change_clock: clkcon = 00000405
mmc_set_ios: hostctl = 00000000
mmc_set_ios: bus_width: 1, clock: 375000
mmc_change_clock called
mmc_change_clock: div = 8
mmc_change_clock: clkcon = 00000405
mmc_set_ios: hostctl = 00000000
mmc_send_cmd: called
mmc_send_cmd_bounced called
mmc_send_cmd_bounced: cmd->arg: 00000000
mmc_send_cmd_bounced: cmd: 0
mmc_send_cmd: called
mmc_send_cmd_bounced called
mmc_send_cmd_bounced: cmd->arg: 000001aa
mmc_send_cmd_bounced: cmd: 8
mmc_send_cmd_bounced: error: 010c8001 cmd 8
mmc_send_cmd: called
mmc_send_cmd_bounced called
mmc_send_cmd_bounced: cmd->arg: 00000000
mmc_send_cmd_bounced: cmd: 55
mmc_send_cmd_bounced: error: 010c8001 cmd 55
mmc_send_cmd: called
mmc_send_cmd_bounced called
mmc_send_cmd_bounced: cmd->arg: 00000000
mmc_send_cmd_bounced: cmd: 2
mmc_send_cmd_bounced: error: 00048001 cmd 2
** Bad device mmc 1 **

any ideas?

Marc