Commit graph

20 commits

Author SHA1 Message Date
Rafaël Carré
f0d53ea8d6 Sansa ASM: clock-target.h needs to know the CPU
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24521 a1c6a512-1295-4272-9138-f99709370657
2010-02-05 12:48:39 +00:00
Rafaël Carré
12af2926e5 Make Clip+ bootloader build
Now making the Fuzev2 bootloader build should be pretty easy

TODO:
    - write button driver (FlynDice found all buttons already)
    - find button light
    - decide if lcd-ssd1303.c must be modified for Clip+ using SSP or forked
    - check if backlight code works (I copied Clipv2 code)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24520 a1c6a512-1295-4272-9138-f99709370657
2010-02-05 12:40:25 +00:00
Bertrik Sikken
ba9040a82b Sansa AMS: allow use of PLL B for more accurate audio sample rate (0.04% instead 0.15% error)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24211 a1c6a512-1295-4272-9138-f99709370657
2010-01-10 14:24:45 +00:00
Rafaël Carré
2392bb4199 FS#10047 : Clipv2
Reuse some code from Clip (LCD) and a lot of code from AS3525
Add a new CPU type : AS3525v2, identical to AS3525 except it's an ARMv5 (arm926-ejs)
SD code still not working
For an unknown reason LCD doesn't work anymore (to be investigated)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24131 a1c6a512-1295-4272-9138-f99709370657
2009-12-31 19:15:20 +00:00
Jack Halpin
c03871ab80 Sansa AMS: Assume IDE_CLK is used as MCLK for internal SD. We assumed PCLK previously.
This patch changes all references/assumptions of PCLK to IDE_CLK for the internal pl180 controller.
Lower the AS3525_IDE_FREQ to 50 MHz in order to be able to divide by 2 for 25 MHz on the internal SD card.
Adjust the code in debug-as3525.c to account for the change and the frequencies reported should be correct.
Add some #if defined(HAVE_MULTIDRIVE) conditionals to cut out the code dealing with uSD for the clip.
Isolate the write delay needed for low frequency writes to only run for standard speed uSD cards. That is the only case for an MCICLK at 15.5 MHz.

Internal cards run at 25 MHz, HS uSD at 31 MHz, and standard speed uSD cards at 15.5 MHz.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23929 a1c6a512-1295-4272-9138-f99709370657
2009-12-11 04:53:22 +00:00
Rafaël Carré
f64a3fe149 Sansa AMS PCM: remove runtime sanity checks
Unaligned memory ops will cause a data abort anyway
Make the check for samplerate at buildtime

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23480 a1c6a512-1295-4272-9138-f99709370657
2009-11-01 23:35:34 +00:00
Jack Halpin
03986d4ec7 Revert r23350 "AMS Sansa: Assume IDECLK is MCLK for the internal SD Disk."
More information makes this assumption seem incorrect.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23356 a1c6a512-1295-4272-9138-f99709370657
2009-10-26 07:06:37 +00:00
Jack Halpin
ec43287aa0 AMS Sansa: Assume IDECLK is MCLK for the internal SD Disk. Reduce IDECLK to 62 MHz for now to be consistent with MCLK for uSD which is PCLK.
Adjust SD timeouts accordingly.

Adjust code in debug-as3525.c to display correct frequencies on system/debug/View disk info page.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23350 a1c6a512-1295-4272-9138-f99709370657
2009-10-25 18:31:44 +00:00
Jack Halpin
95ac12a68f AMSSansa: Add AS3525_DRAM_FREQ as a configurable frequency. Attempts to use PCLK != DRAM still fail but a method is now in place. Default scheme remains 248/62/62.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21130 a1c6a512-1295-4272-9138-f99709370657
2009-05-29 20:19:35 +00:00
Jack Halpin
b714ace163 AMSSansa: clock-target.h and debug-as3525 now use AS3525_FCLK_PREDIV correctly. Default frequency scheme remains 248/62/62.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21125 a1c6a512-1295-4272-9138-f99709370657
2009-05-29 06:43:37 +00:00
Jack Halpin
b4b7c7501e AMSSansa: Change comment to describe FCLK as input more accurately
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21124 a1c6a512-1295-4272-9138-f99709370657
2009-05-29 00:06:13 +00:00
Alexander Levin
1bf480cad5 Fix typo in the comment
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21093 a1c6a512-1295-4272-9138-f99709370657
2009-05-26 20:31:26 +00:00
Rafaël Carré
ef9aacb2e0 FS#10245 by Jack Halpin : Adjust Clocking scheme on Sansa AMS
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21088 a1c6a512-1295-4272-9138-f99709370657
2009-05-26 18:44:02 +00:00
Rafaël Carré
c7b698119d Sansa AMS: Partly revert r20923 (reset IDE maximal freq to 90MHz to fix problems with some players)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21007 a1c6a512-1295-4272-9138-f99709370657
2009-05-21 11:46:36 +00:00
Rafaël Carré
49c25816f0 Sansa AMS i2c : fix 2 problems identified by Jack Halpin & Bertrik Sikken
i2c clock frequency uses pclk as reference, not plla
i2c clock divider is only 10 bits, not 16

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20929 a1c6a512-1295-4272-9138-f99709370657
2009-05-14 09:36:56 +00:00
Rafaël Carré
8033342d0f Sansa AMS : remove mci_set_clock_divider()
Inline the 2 uses, and use a preprocessor sanity check for identification frequency

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20924 a1c6a512-1295-4272-9138-f99709370657
2009-05-13 08:27:33 +00:00
Rafaël Carré
adb978a44d Sansa AMS: Various fixes/enhancements for clock frequencies
Fix CGU_DBOP setting

Set PCLK to the exact frequency (62MHz, not the maximal frequency)

Use a better comment for CLK_DIV macro

Use preprocessor safety checks for clock divider sizes to avoid future mistakes (not for SD_IDENT frequency since that check is handled by mci_set_clock_divider)

Use maximal IDE frequency of 66MHz (like OF), not 90MHz like written in AS3525 datasheet. The IDE chip is somehow linked to internal storage, and a too high frequency could affect the storage driver.

Use the same DBOP frequency of 32MHz for all models (like OF, verified clip, fuze, e200v2 and m200v4), compromise between performance and battery life could be added in the future for each target
Performance increase on Sansa Fuze with DBOP freq. set to 64MHz: +12% fps for lcd_update, +1% fps for yuv

Thanks to daytona955 on the forums for his help

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20923 a1c6a512-1295-4272-9138-f99709370657
2009-05-13 08:27:20 +00:00
Björn Stenberg
9e3844db07 Updated Fuze button code. FS#9645 by Thomas Martitz.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19629 a1c6a512-1295-4272-9138-f99709370657
2008-12-31 21:02:56 +00:00
Michael Giacomelli
c97f640060 Commit FS#9679 by Thomas Martitz. Adds c200v2 to the target tree. Has some buttons defined, a bootloader, and stubs for most drivers.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19574 a1c6a512-1295-4272-9138-f99709370657
2008-12-24 04:10:18 +00:00
Rafaël Carré
45711ac286 Sansa AMS: centralize clock settings in clock-target.h
Reorder system_init() to initialize peripherals not only in bootloader
Use a 65MHz PCLK (and memclk) which will be needed for realtime decoding

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19330 a1c6a512-1295-4272-9138-f99709370657
2008-12-04 20:04:31 +00:00