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History for barebox / drivers / nor / cfi_flash.c

2012-09-17	77322aa Browse files » Treewide: remove address of the Free Software Foundation ... The FSF address has changed in the past. Instead of updating it each time the address changes, just drop it completely treewide. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 17 Sep 2012
2012-06-30	3e50382 Browse files » use loff_t for file offsets ... This is a first step for 64bit file support: Make the file sizes/offsets 64bit. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 30 Jun 2012
2012-06-28	51885a7 Browse files » Change byte order detection mechanism to kernel style ... The Linux Kernel defines only one of __LITTLE_ENDIAN and __BIG_ENDIAN. Endianess can then be tested with #ifdef __xx_ENDIAN. Userspace always defined both __LITTLE_ENDIAN and __BIG_ENDIAN and byteorder can then be tested with #if __BYTE_ORDER == __xx_ENDIAN. As we tend to use a lot of Kernel code in barebox we switch to use the kernel way of determing the byte order. As this always causes a lot of confusion add a check to include/common.h to make sure only one of __LITTLE_ENDIAN and __BIG_ENDIAN is defined. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 28 Jun 2012
2011-09-23	2024fa5 Browse files » cfi flash: fix flash_make_cmd for big endian access ... This is broken on big endian systems since: 943b271 cfi_flash: support of u32 cmd I looked over it and I think that the function was correct for both big and little endian systems before this patch. To support u32 cmd we only have to change the data type of the command from u8 to u32. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Cc: Teresa Gámez <t.gamez@phytec.de> Sascha Hauer committed on 23 Sep 2011
2011-09-22	3ee7877 Browse files » introduce io.h ... To allow for some generic io accessors introduce io.h and use this instead of asm/io.h throughout the tree. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 22 Sep 2011
2011-08-26	943b271 Browse files » cfi_flash: support of u32 cmd ... Some NOR flash chips have commands with length greater than the maximum value size of uchar. Based on an U-Boot Patch by Vasiliy Leoenenko <vasiliy.leonenko@mail.ru> Only tested with little endian on an intel cfi_flash. Signed-off-by: Teresa Gámez <t.gamez@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Teresa Gámez authored on 25 Aug 2011 Sascha Hauer committed on 26 Aug 2011
2011-07-29	13da42d Browse files » cfi_flash: convert missing map_base ... Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 29 Jul 2011
2011-07-18	8262d20 Browse files » cfi: convert to struct resource ... This is the non invasive approach. All this type casting shows this driver should be really cleaned up (or retired) Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer authored on 19 Jul 2011 Jean-Christophe PLAGNIOL-VILLARD committed on 18 Jul 2011
2011-01-17	2f0109b Browse files » Merge branch 'master' into next Sascha Hauer committed on 17 Jan 2011
2011-01-17	04e89d0 Browse files » CFI NOR flash: fix write timeout units. ... Write timeouts are expressed in microseconds. Milliseconds are 1000 times longer than microseconds, not 1000 times shorter. Before (Intel 28F128J3D75): CFI conformant FLASH (16 x 16) Size: 16 MB in 128 Sectors Intel Extended command set, Manufacturer ID: 0x89, Device ID: 0x18 Erase timeout: 4096 ms, write timeout: 256000 ms Buffer write timeout: 1024000 ms, buffer size: 32 bytes After: ... Erase timeout: 4096 ms, write timeout: 256 us Buffer write timeout: 1024 us, buffer size: 32 bytes Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Krzysztof Halasa authored on 16 Jan 2011 Sascha Hauer committed on 17 Jan 2011
2011-01-07	c5baa0e Browse files » Fix error handling with malloc, memalign etc. Introduce xmemalign(). ... The idea is to panic() when there is no memory available for normal operation. Exception: code which can consume arbitrary amount of RAM (example: files allocated in ramfs) must report error instead of panic(). This patch also fixes code which didn't check for NULL from malloc() etc. Usage: malloc(), memalign() return NULL when out of RAM. xmalloc(), xmemalign() always return non-NULL or panic(). Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Krzysztof Halasa authored on 6 Jan 2011 Sascha Hauer committed on 7 Jan 2011
2010-12-21	72e94e7 Browse files » Fix NOR CFI flash driver to work on big endian systems. ... Fix NOR CFI flash driver to work on big endian systems. Basically this transforms the u8/u16/u32/u64 union into a single u64 value. Not tested on LE platform. Apply with caution. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Krzysztof Halasa authored on 20 Dec 2010 Sascha Hauer committed on 21 Dec 2010
	d66ae58 Browse files » Cosmetic fixes, including format attributes for printf() and friends. ... Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Krzysztof Halasa authored on 20 Dec 2010 Sascha Hauer committed on 21 Dec 2010
	e2bf1ae Browse files » Flash CFI: removed unused 'size' variable. ... Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Krzysztof Halasa authored on 20 Dec 2010 Sascha Hauer committed on 21 Dec 2010
2010-12-20	f4b1ebd Browse files » cfi flash driver: check for ctrl-c during erase ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 20 Dec 2010
2010-12-02	9985498 Browse files » cfi_flash: introduce flash cmdset fixup ... Move fixing up like geometry reversal into separate functions. The geometry reversal fixup is now performed by altering the qry structure directly, which makes the sector init code slightly cleaner. based on U-Boot Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	0df2a8d Browse files » cfi_flash: move reset command assigment to specific chipset init function ... Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	04191aa Browse files » cfi_flash: do not reset flash when probe fails ... The CFI flash driver starts at flash_init() which calls down into flash_get_size(). This starts by calling flash_detect_cfi(). If said function fails, flash_get_size() finishes by attempting to reset the flash. Unfortunately, it does this with an info->portwidth set to 0x10 which filters down into flash_make_cmd() and that happily smashes the stack by sticking info->portwidth bytes into a cfiword_t variable that lives on the stack. On a 64bit system you probably won't notice, but killing the last 8 bytes on a 32bit system usually leads to a corrupt return address. Which is what happens on a Blackfin system. based on U-Boot Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	fec9928 Browse files » cfi_flash: Read whole QRY structure in one go ... Read out the whole CFI Standard Query structure after successful cfi identification. This allows subsequent code to access this information directly without having to go through flash_read_uchar() and friends. based on U-Boot Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	6bc05af Browse files » cfi_flash: Introduce read and write accessors ... Introduce flash_read{8,16,32,64) and flash_write{8,16,32,64} and use them to access the flash memory. This makes it clearer when the flash is actually being accessed; merely dereferencing a volatile pointer looks just like any other kind of access. based on U-Boot Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	8b41ca2 Browse files » cfi_flash: update manufacturer id flash support ... several first banks can contain 0x7f instead of actual ID support as done in linux Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	64e70cd Browse files » cfi_flash: use amd and standard reset flash command at probing ... as we do not known which flash we have yet Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	ae416f6 Browse files » cfi_flash: move flash_read_uchar from inline to noinline ... it will reduce the binary size of 28 bytes and fix some issue observerd during the porting of the at91rm9200ek when reading the device_id and manufacturor_id Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
	322b9af Browse files » cfi_flash: move intel real protect flash support to cfi_flash_intel.c ... let an empty function for amd as we will add later atmel real protect flash Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Jean-Christophe PLAGNIOL-VILLARD committed on 2 Dec 2010
2010-07-05	8196b9e Browse files » cfi_flash: Add mtd partition support for UBI ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 5 Jul 2010
	b6b76c4 Browse files » cfi_flash: Do not print debug info while erasing ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 5 Jul 2010
	497445d Browse files » cfi_flash: Do not typedef struct flash_info ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 5 Jul 2010
2010-06-28	b99e2c4 Browse files » cfi flash driver: Use generic progression bar function ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 28 Jun 2010
2010-05-03	7a0a29c Browse files » cfi_flash: use flash_write_word instead of reimplementing it again ... While at it remove some unused code and an unbalanced enable_interrupts(). Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Uwe Kleine-König authored on 19 Apr 2010 Sascha Hauer committed on 3 May 2010
2010-02-08	e6b8bdc Browse files » cfi_flash: move include/cfi_flash.c next to driver ... This file has no useful things for others than the driver, so move it next to the driver and remove the corresponding include from other files. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 8 Feb 2010