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IR265772: MMC driver does not detect SDHC cards.
IR254201: Restructure MMC/SD driver for U8500 board according to the
block device framework in mainline U-Boot.
Changes to mmc framework:
- Multi Block Read support in mmc framework.
- Wrap Multi Block Write/Read to be able to adopt for large transaction.
- Removed incorrect check in EXT CSD for high capacity MMC.
- Corrected check for high capacity SD cards.
- Set MMC buswidth to 8, prio of using 4.
Known limitations/bugs in mmc framework:
- High capacity MMC, will likely not get the correct density.
- High speed is set, whether or not the host supports it or not.
board/st/u8500/mmc_utils:
IMPORTANT FOR DEVELOPERS:
- Removed unessary U-Boot commands which is already supported in
cmd_fat.
- mmc_read_cmd_file: Read command.txt into bootcmd env from FAT FS in
SD card.
- write_partition_block: Writes the MBR if it is not already written.
board/st/u8500/mmc_host[c.h]:
- Implements the entire MMC/SD host driver for the PL180 block.
- There is still room for optimization:
Increase CLK-speed.
Use high-speed for SD cards.
Is GPIO setup correctly for both cards an eMMC.
EarlyDrop support not fully tested.
Dynamically turn on voltage/clocks to SD, not always.
More...
Note:
- Increased read/write performance for eMMC, to around 5.4 MB/s for
sequential read/write. Earlier measurements was 3.5 MB/s for read and
2.6 MB/s for write.
ST-Ericsson ID: ER265772, CR267996, ER267993
Change-Id: I921102edbde761407ff5ad476d1bb99f5dc7a2ef
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/2288
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Tested-by: Michael BRANDT <michael.brandt@stericsson.com>
Reviewed-by: Martin LUNDHOLM <martin.xa.lundholm@stericsson.com>
Tested-by: Martin LUNDHOLM <martin.xa.lundholm@stericsson.com>
Reviewed-by: Mikael LARSSON <mikael.xt.larsson@stericsson.com>
Tested-by: Mikael LARSSON <mikael.xt.larsson@stericsson.com>
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Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Change-Id: Ieec8e7940e7acdc88d7c17b12007f61841741325
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/390
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
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This patch is part of WP254081 which depends on WP252006.
* Fixed I2C, use real timeouts instead of counter
* Undefined CONFIG_BOOTTIME, since it as to be changed to new timer.c
* Merged V1 patches from Bangalore
The patches were merged manually, because of the differences
of the U-Boot baseline (Bangalore U-Boot 1.3.1, Lund 2009.11).
The original patches were created by Rabin Vincent
<rabin.vincent@stericsson.com>.
and were applied originally to
Branches: blr_lsp, remotes/origin/blr_lsp
Follows: qpppaaa_20100210_094651
0001-u8500-gpio-add-I2C0-altfun.patch
0002-u8500-use-correct-v1-macros.patch
0003-emmc-clean-up-paritioning.patch
0004-u8500-remove-incorrect-ram-settings.patch
0005-u8500-gpio-remove-unnecessary-ifdefs.patch
0006-u8500-add-ED-v1-detection-and-handle-eMMC-diff.patch
0008-u8500-mmc-don-t-disable-altfuns.patch
0009-u8500-gpio-remove-unused-defined.patch
0010-u8500-mmc-add-barrier-for-while-loop.patch
0011-u8500-mmc-handle-non-block-addressed-cards.patch
0012-u8500-mmc-remove-unused-gpio-settings-on-v1.patch
0013-u8500-emmc-build-fix.patch
0014-u8500-handle-v1-gpios-and-clocks.patch
0015-mmc-build-fix-for-block-addressing.patch
0016-u8500-add-clocks-and-hardware-files.patch
0017-u8500-enable-PRCUM-timers-reg-for-ED.patch
0018-u8500-handle-MTU-for-v1-ED.patch
0019-u8500-emmc-remove-unnecessary-GPIO-settings.patch
0020-u8500-remove-dead-code.patch
0021-u8500-add-working-MTU-timer.patch
0022-pl011-empty-rx-fifo-if-necessary.patch
0023-u8500-gpio-fix-cont-handling-in-altfunc.patch
0024-u8500-reduce-bootdelay-to-1-and-enable-zero-check.patch
0025-u8500-disable-forcing-of-verify-but-set-n-by-default.patch
0029-u8500-fix-some-gpio-settings.patch
0030-emmc-make-v1-paritioning-differences-explicit.patch
Signed-off-by: Michael Brandt <Michael.Brandt@stericsson.com>
Change-Id: I1106702e393c34f630e71f071e06c3952b0d3a1a
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/182
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
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These are the patches for WP252006.
There will be a follow-up patched for WP254081.
Environment settings
* board_id bootargs parameter from board_id environment var
set in board_late_init().
* decreased bootdelay to 1 second
* added check for keypress on bootdelay==0
* removed preboot command and introduced "run cmdfile" instead
* changed rootfstype from ext2 to ext3
General I2C refactoring
* include/configs/u8500.h:
Enabled i2c command line commands.
Changed environment settings to use board_id as set in
board_late_init().
Added I2C address and configuration defines.
* board/st/u8500/Makefile: Replaced i2c.o with u8500_i2c.o.
* board/st/u8500/gpio.c, gpio.h: Added I2C busses to altfunc_table.
* board/st/u8500/init_mmc.c: removed config_extended_gpio() and therefore I2C
references. GPIOE settings are now in board_late_init().
* board/st/u8500/u8500.c:
Removed I2C/SD gpio settings from addr,value array.
board_late_init():
Determine and set board_id environment variable
0: mop500, 1: href500
Above boards have different GPIO expander chips which we can
distinguish by the chip id (1 and 3).
The board_id environment variable is needed for the Linux bootargs.
Signed-off-by: Michael Brandt <Michael.Brandt@stericsson.com>
Change-Id: I4c2cab28c1cb74692e0c72b2daa422e97787ff8d
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/167
Reviewed-by: Michael BRANDT <michael.brandt@stericsson.com>
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Tested-by: Jonas ABERG <jonas.aberg@stericsson.com>
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applied PACK3 changes:
* cpu/arm_cortexa9/start.S: reset register changed, but U-Boot reset
command still does not work.
* config.mk: build address changed to 0x05FC0000
* board/st/u8500/mmc.c: MBR change: descrease 4th partition size (userfs
2) from 0x00c0'0000 to 0x00b9'a000 sectors (6,442,450,944 to
6,228,541,440 bytes).
* board\st\u8500\init_mmc.c: modify bootargs to set board_id to HREF or
MOP. Is is an extremly ugly solution. It modifies the bootargs env
variable directly (bootargs[9] = board_id;), instead of setting a
additional environment variable board_id and use it in the bootargs
envvar.
* board/st/u8500/mmc.c: undocumented clock changes.
* board/st/u8500/mmc_utils.c:
new routine to switch to 4-bit interface.
The switch is done in mmc_read_file(). It would make more sense
to do so in mmc_init.
* board/st/u8500/u8500.c:
clock changes for HSI and I2C. I2C is now clocked by SOC1 PLL and runs
with 24 MHz (depends on boot ROM SOC1 initialisation)
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mmc init 0 will now initialise eMMC and mmc init 1 initialises MMC.
They can now be used in subsequent fatload or ext2load commands.
The numbering was choosing according to the Linux device numbering
/dev/mmcblk0 (eMMC) and /dev/mmcblk1 (MMC).
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