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Vadim Bendebury a88c919767 cbfs: support concurrent media channels properly 
Coreboot generic CBFS media API does not support
multiple media access instances, but it should.

With this fix the CBFS context (memory cache for
SPI accesses) is shared among all open media access
streams. A better memory management scheme might be
required, but for now this fix allows to support
booting deptcharge and accessing VPD through two
independent CBFS media streams.

BUG=chrome-os-partner:32152
TEST=no exception is thrown when the second stream
     is opened

Change-Id: I62889089b4832c9e9760ef24ecc517220d8f3ec4
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 691f9794805d04beff349f1bc60ac9d7530d7cbf
Original-Change-Id: Ib9d9d1f5209c2e515a95d7acbf4a8ac1255d3f8a
Original-Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/219441
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8897
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
 		2015-03-26 08:53:39 +01:00
..
loaders loaders: add run_romstage() function to bootblock 2015-03-20 19:27:47 +01:00
Makefile.inc vboot2: read secdata and nvdata 2015-03-23 19:51:47 +01:00
bootmem.c coreboot: introduce notion of bootmem for memory map at boot 2014-03-03 21:47:27 +01:00
bootmode.c ChromeOS: Remove oprom_is_loaded 2014-05-01 15:39:26 +02:00
cbfs.c cbfs: expose init_backing_media() 2015-03-24 22:48:51 +01:00
cbfs_core.c cbfs: expose init_backing_media() 2015-03-24 22:48:51 +01:00
cbfs_core.h lib/cbfs: Use linker symbols over .c include in cbfs.c 2014-11-19 00:13:26 +01:00
cbfs_spi.c cbfs: support concurrent media channels properly 2015-03-26 08:53:39 +01:00
cbmem_common.c coreboot: fix munged license text 2015-03-09 02:32:19 +01:00
cbmem_console.c CBMEM: Support DYNAMIC_CBMEM with LATE_CBMEM_INIT 2015-01-27 22:50:14 +01:00
clog2.c src/lib/clog2.c: Fix style and clarity, remove some cruft 2014-06-20 08:06:51 +02:00
compute_ip_checksum.c lib: Fix spelling 2013-07-10 20:17:51 +02:00
coreboot_table.c vboot2: translate shared data to hand off to depthcharge 2015-03-23 19:53:09 +01:00
debug.c misc: Drop print_ implementation from non-romcc boards 2015-01-09 06:12:22 +01:00
delay.c - Major cleanup of the bootpath 2003-07-19 04:28:22 +00:00
dynamic_cbmem.c bootstate: use structure pointers for scheduling callbacks 2015-03-18 16:41:43 +01:00
edid.c drivers/xgi/z9s: Port Linux framebuffer initialization to coreboot 2015-02-05 17:37:05 +01:00
fallback_boot.c lib: Add Kconfig option to enable/disable auto fallback control 2015-03-17 04:22:23 +01:00
gcc.c lib: Trivial - drop trailing blank lines at EOF 2014-07-08 13:52:15 +02:00
gcov-glue.c bootstate: use structure pointers for scheduling callbacks 2015-03-18 16:41:43 +01:00
gcov-io.c Implement GCC code coverage analysis 2013-01-12 19:09:55 +01:00
gcov-io.h lib: Fix spelling 2013-07-10 20:17:51 +02:00
gcov-iov.h Implement GCC code coverage analysis 2013-01-12 19:09:55 +01:00
generic_dump_spd.c misc: Drop print_ implementation from non-romcc boards 2015-01-09 06:12:22 +01:00
generic_sdram.c misc: Drop print_ implementation from non-romcc boards 2015-01-09 06:12:22 +01:00
halt.c Introduce halt() 2014-11-30 12:20:05 +01:00
hardwaremain.c ramstage: remove rela_time use 2015-03-21 17:00:34 +01:00
hexdump.c lib/hexdump: Use `size_t` for length parameter of `hexdump32()` 2014-05-05 08:59:05 +02:00
jpeg.c Since some people disapprove of white space cleanups mixed in regular commits 2010-04-27 06:56:47 +00:00
jpeg.h Random cosmetic fixes (trivial). 2010-02-22 16:41:49 +00:00
libgcov.c Fix whitespace leaked into tree 2013-09-17 21:04:35 +02:00
lzma.c Add and consistently use wrapper macro for romstage static variables 2015-03-09 22:42:28 +01:00
lzmadecode.c RISCV: get RISCV to build again 2014-12-04 19:17:51 +01:00
lzmadecode.h Since some people disapprove of white space cleanups mixed in regular commits 2010-04-27 06:56:47 +00:00
malloc.c lib/malloc.c: Remove pre-proc guard around include 2014-11-11 12:33:01 +01:00
memchr.c Add an implementation for the memchr library function 2012-03-09 20:00:53 +01:00
memcmp.c - Initial checkin of the freebios2 tree 2003-04-22 19:02:15 +00:00
memcpy.c fix compiler warnings (trivial) 2009-01-20 21:40:16 +00:00
memmove.c tidy 2004-03-13 03:40:29 +00:00
memrange.c coreboot memrange: Two changes for zero size or empty memrange 2015-03-04 19:55:19 +01:00
memset.c fix compiler warnings (trivial) 2009-01-20 21:40:16 +00:00
primitive_memtest.c Primitive memory test 2015-01-09 16:50:55 +01:00
ramstage_cache.c RELOCATABLE_RAMSTAGE: Fix weak symbols with ramstage_cache 2014-12-28 19:56:58 +01:00
ramtest.c misc: Drop print_ implementation from non-romcc boards 2015-01-09 06:12:22 +01:00
reg_script.c x86: Change MMIO addr in readN(addr)/writeN(addr, val) to pointer 2015-02-15 08:50:22 +01:00
rmodule.c CBMEM: Always use DYNAMIC_CBMEM 2015-01-27 22:54:32 +01:00
rmodule.ld bootstate: use structure pointers for scheduling callbacks 2015-03-18 16:41:43 +01:00
selfboot.c loaders: add program_loading.h header file 2015-03-20 19:25:29 +01:00
stack.c stack check: cosmetics 2014-09-12 22:03:53 +02:00
thread.c Possible thread stack implementation. 2014-08-07 23:55:15 +02:00
timer_queue.c coreboot: add timer queue implementation 2013-05-01 07:19:12 +02:00
timestamp.c timestamps: Switch from tsc_t to uint64_t 2015-01-05 22:21:49 +01:00
tlcl.c vboot2: read secdata and nvdata 2015-03-23 19:51:47 +01:00
tlcl_internal.h vboot2: read secdata and nvdata 2015-03-23 19:51:47 +01:00
tlcl_structures.h vboot2: copy tlcl from vboot_reference as a preparation for vboot2 integration 2015-01-27 01:43:57 +01:00
tpm_error_messages.h TPM: Fix whitespace 2015-02-06 00:25:59 +01:00
trace.c GPLv2 notice: Unify all files to just use one space in »MA 02110-1301« 2013-03-01 10:16:08 +01:00
tristate_gpios.c fix how to interpret board id read from gpios 2015-03-26 00:26:50 +01:00
version.c build.h: remove variable for the builduser, -hostname and -domain 2015-03-09 17:53:16 +01:00