flashrom March 2011

flashrom@flashrom.org

37 participants
170 discussions

Re: [flashrom] [PATCH] Add mediatek_pata programmer
by Joseph Smith 07 Mar '11

07 Mar '11

On Mon, 7 Mar 2011 01:05:03 +0100, Michael Karcher <flashrom(a)mkarcher.dialup.fu-berlin.de> wrote: > Add support for flashing using CD/DVD drives with mediatek chipsets. > > As the driver is now, it only supports parallel ATA drives with parallel > flash chips. The kind of drive access needed is not possible through IDE > drivers in the OS, flashrom has to access the IDE port directly. This will > interfere with OS drivers for the drive, so you better make sure that > the OS does not access the drive (or another drive on the same PATA > channel) > during the flash process. > > On recent linux kernels (with libata), the invocation > "-p mediatek_pata:devname=sr0" should work. It is supposed to forcibly > unregister all drives on the IDE channel sr0 is on (you better don't have > a file system mounted on a hard drive on the same channel), perform the > flash job, and, if the drive successfully reboots, re-add all detectable > IDE devices on that channel. > > This patch is known to lack a man page section and violate the flashrom > coding style in some places - I send it out to catch some early reviews > on it. > This is really cool :-) It also opens the door to another pata flasher: http://www.loet.de/flasher_en.html Great work! -- Thanks, Joseph Smith Set-Top-Linux www.settoplinux.org

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[Patch] Add coarse-grained IPC locking mechanism to Flashrom
by David Hendricks 07 Mar '11

07 Mar '11

Hi, I have attached a patch which adds a locking mechanism to Flashrom to prevent multiple instances from running simultaneously. It may need some modification to fit different Flashrom use cases better, but I think it's a good start. The size of the patch is somewhat misleading -- The only real changes to Flashrom's current code are some of the exit points in cli_classic() and some added stuff in the Makefile. Everything else is contained in new files. The new files are: csem.{c,h}: Low-level code that interfaces with semctl(), semget(), etc. ipc_lock.{c,h}: Wrapper for csem stuff. locks.h: A listing of locks that Flashrom cares about. big_lock.{c,h}: An even higher-level wrapper around ipc_lock stuff, useful for simple, coarse-grained locking. util/use_big_lock.sh: Used by the Makefile to test for POSIX.1-2001 compliance. The advantages of this approach are: - The semaphore can be shared easily with other processes. - The semaphore is cleaned automagically in case of abnormal program termination. - Semaphore info can be viewed and managed easily using standard utilities like ipcs. - On Linux at least, a second instance of Flashrom will automatically begin immediately after the first instance is done. No busy waiting, no excessive delays. - We avoid errata with other locking mechanisms (there are known issues with flock(), for example). Disadvantages: - The current patch is very coarse-grained, which could be problematic for people who wish to flash multiple chips simultaneously. - Requires >= POSIX.1-2001 compliance. Please note that some files in this patch are BSD-licensed. Much of it is based off code which was open-sourced by Sun Microsystems, after acquiring it from Cobalt Networks. Signed-off-by: David Hendricks <dhendrix(a)google.com> -- David Hendricks (dhendrix) Systems Software Engineer, Google Inc.

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Re: [flashrom] rtl8169 support - Final
by Mathias Krause 07 Mar '11

07 Mar '11

On 05.01.2011 18:36, Jon Shadow wrote: > I stole that static from nic3com.c file I suppose. > But there its used in nic3com_init() and nic3com_shutdown(), so needs to be a global variable. Regards, Mathias

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Re: [flashrom] [PATCH] SST39SF512 is tested
by Carl-Daniel Hailfinger 07 Mar '11

07 Mar '11

Hi Michael, thanks for your patch! Auf 07.03.2011 02:44, Michael Karcher schrieb: > flashrom -V -w: http://paste.flashrom.org/view.php?id=389 > > Signed-off-by: Michael Karcher <flashrom(a)mkarcher.dialup.fu-berlin.de> > Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006(a)gmx.net> Regards, Carl-Daniel -- http://www.hailfinger.org/

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Re: [flashrom] [PATCH] SST39SF512 is tested
by Michael Karcher 07 Mar '11

07 Mar '11

Am Montag, den 07.03.2011, 02:44 +0100 schrieb Michael Karcher: > flashrom -V -w: http://paste.flashrom.org/view.php?id=389 Sorry, that's without "-V". See here: http://paste.flashrom.org/view.php?id=394 Regards, Michael Karcher

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[PATCH] SST39SF512 is tested
by Michael Karcher 07 Mar '11

07 Mar '11

flashrom -V -w: http://paste.flashrom.org/view.php?id=389 Signed-off-by: Michael Karcher <flashrom(a)mkarcher.dialup.fu-berlin.de> --- flashchips.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/flashchips.c b/flashchips.c index 9f2b64f..0f1c9ab 100644 --- a/flashchips.c +++ b/flashchips.c @@ -5567,7 +5567,7 @@ struct flashchip flashchips[] = { .total_size = 64, .page_size = 4096, .feature_bits = FEATURE_EITHER_RESET, - .tested = TEST_UNTESTED, + .tested = TEST_PREW, .probe = probe_jedec, .probe_timing = 1, /* 150 ns */ .block_erasers = -- 1.7.2.3

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[commit] r1275 - trunk
by repository service 07 Mar '11

07 Mar '11

Author: mkarcher Date: Mon Mar 7 02:09:55 2011 New Revision: 1275 URL: http://flashrom.org/trac/flashrom/changeset/1275 Log: SST39SF512 is tested flashrom -V -w: http://paste.flashrom.org/view.php?id=395 Signed-off-by: Michael Karcher <flashrom(a)mkarcher.dialup.fu-berlin.de> Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006(a)gmx.net> Modified: trunk/flashchips.c Modified: trunk/flashchips.c ============================================================================== --- trunk/flashchips.c Mon Mar 7 02:08:09 2011 (r1274) +++ trunk/flashchips.c Mon Mar 7 02:09:55 2011 (r1275) @@ -5567,7 +5567,7 @@ .total_size = 64, .page_size = 4096, .feature_bits = FEATURE_EITHER_RESET, - .tested = TEST_UNTESTED, + .tested = TEST_PREW, .probe = probe_jedec, .probe_timing = 1, /* 150 ns */ .block_erasers =

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[PATCH] Simplify pcidev_init
by Carl-Daniel Hailfinger 07 Mar '11

07 Mar '11

Simplify pcidev_init by killing the vendorid parameter which was pretty useless anyway since it was present in the pcidevs parameter as well. This also allows us to handle multiple programmers with different vendor IDs in the same driver. As a side effect, compilation of flashrom with only the nicrealtek driver won't fail anymore. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006(a)gmx.net> Index: flashrom-pcidev_init_simplify/ogp_spi.c =================================================================== --- flashrom-pcidev_init_simplify/ogp_spi.c (Revision 1260) +++ flashrom-pcidev_init_simplify/ogp_spi.c (Arbeitskopie) @@ -120,8 +120,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_OGP, PCI_BASE_ADDRESS_0, - ogp_spi); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, ogp_spi); ogp_spibar = physmap("OGP registers", io_base_addr, 4096); Index: flashrom-pcidev_init_simplify/drkaiser.c =================================================================== --- flashrom-pcidev_init_simplify/drkaiser.c (Revision 1260) +++ flashrom-pcidev_init_simplify/drkaiser.c (Arbeitskopie) @@ -43,8 +43,7 @@ get_io_perms(); - addr = pcidev_init(PCI_VENDOR_ID_DRKAISER, PCI_BASE_ADDRESS_2, - drkaiser_pcidev); + addr = pcidev_init(PCI_BASE_ADDRESS_2, drkaiser_pcidev); /* Write magic register to enable flash write. */ rpci_write_word(pcidev_dev, PCI_MAGIC_DRKAISER_ADDR, Index: flashrom-pcidev_init_simplify/pcidev.c =================================================================== --- flashrom-pcidev_init_simplify/pcidev.c (Revision 1260) +++ flashrom-pcidev_init_simplify/pcidev.c (Arbeitskopie) @@ -79,8 +79,7 @@ return 0; } -uint32_t pcidev_init(uint16_t vendor_id, uint32_t bar, - const struct pcidev_status *devs) +uint32_t pcidev_init(uint32_t bar, const struct pcidev_status *devs) { struct pci_dev *dev; struct pci_filter filter; @@ -94,8 +93,7 @@ pci_scan_bus(pacc); /* We want to get the list of devices */ pci_filter_init(pacc, &filter); - /* Filter by vendor and also bb:dd.f (if supplied by the user). */ - filter.vendor = vendor_id; + /* Filter by bb:dd.f (if supplied by the user). */ pcidev_bdf = extract_programmer_param("pci"); if (pcidev_bdf != NULL) { if ((msg = pci_filter_parse_slot(&filter, pcidev_bdf))) { @@ -107,6 +105,9 @@ for (dev = pacc->devices; dev; dev = dev->next) { if (pci_filter_match(&filter, dev)) { + /* FIXME: We should count all matching devices, not + * just those with a valid BAR. + */ if ((addr = pcidev_validate(dev, bar, devs)) != 0) { curaddr = addr; pcidev_dev = dev; Index: flashrom-pcidev_init_simplify/gfxnvidia.c =================================================================== --- flashrom-pcidev_init_simplify/gfxnvidia.c (Revision 1260) +++ flashrom-pcidev_init_simplify/gfxnvidia.c (Arbeitskopie) @@ -66,8 +66,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_NVIDIA, PCI_BASE_ADDRESS_0, - gfx_nvidia); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, gfx_nvidia); io_base_addr += 0x300000; msg_pinfo("Detected NVIDIA I/O base address: 0x%x.\n", io_base_addr); Index: flashrom-pcidev_init_simplify/nicrealtek.c =================================================================== --- flashrom-pcidev_init_simplify/nicrealtek.c (Revision 1260) +++ flashrom-pcidev_init_simplify/nicrealtek.c (Arbeitskopie) @@ -32,10 +32,6 @@ const struct pcidev_status nics_realtek[] = { {0x10ec, 0x8139, OK, "Realtek", "RTL8139/8139C/8139C+"}, - {}, -}; - -const struct pcidev_status nics_realteksmc1211[] = { {0x1113, 0x1211, OK, "SMC2", "1211TX"}, /* RTL8139 clone */ {}, }; @@ -44,26 +40,13 @@ { get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_REALTEK, PCI_BASE_ADDRESS_0, - nics_realtek); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_realtek); buses_supported = CHIP_BUSTYPE_PARALLEL; return 0; } -int nicsmc1211_init(void) -{ - get_io_perms(); - - io_base_addr = pcidev_init(PCI_VENDOR_ID_SMC1211, PCI_BASE_ADDRESS_0, - nics_realteksmc1211); - - buses_supported = CHIP_BUSTYPE_PARALLEL; - - return 0; -} - int nicrealtek_shutdown(void) { /* FIXME: We forgot to disable software access again. */ Index: flashrom-pcidev_init_simplify/satamv.c =================================================================== --- flashrom-pcidev_init_simplify/satamv.c (Revision 1260) +++ flashrom-pcidev_init_simplify/satamv.c (Arbeitskopie) @@ -67,7 +67,7 @@ /* No need to check for errors, pcidev_init() will not return in case * of errors. */ - addr = pcidev_init(0x11ab, PCI_BASE_ADDRESS_0, satas_mv); + addr = pcidev_init(PCI_BASE_ADDRESS_0, satas_mv); mv_bar = physmap("Marvell 88SX7042 registers", addr, 0x20000); if (mv_bar == ERROR_PTR) Index: flashrom-pcidev_init_simplify/print_wiki.c =================================================================== --- flashrom-pcidev_init_simplify/print_wiki.c (Revision 1260) +++ flashrom-pcidev_init_simplify/print_wiki.c (Arbeitskopie) @@ -279,7 +279,6 @@ #endif #if CONFIG_NICREALTEK == 1 print_supported_pcidevs_wiki(nics_realtek); - print_supported_pcidevs_wiki(nics_realteksmc1211); #endif #if CONFIG_NICNATSEMI == 1 print_supported_pcidevs_wiki(nics_natsemi); Index: flashrom-pcidev_init_simplify/nicintel_spi.c =================================================================== --- flashrom-pcidev_init_simplify/nicintel_spi.c (Revision 1260) +++ flashrom-pcidev_init_simplify/nicintel_spi.c (Arbeitskopie) @@ -144,8 +144,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_INTEL, PCI_BASE_ADDRESS_0, - nics_intel_spi); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_intel_spi); nicintel_spibar = physmap("Intel Gigabit NIC w/ SPI flash", io_base_addr, 4096); Index: flashrom-pcidev_init_simplify/nicnatsemi.c =================================================================== --- flashrom-pcidev_init_simplify/nicnatsemi.c (Revision 1260) +++ flashrom-pcidev_init_simplify/nicnatsemi.c (Arbeitskopie) @@ -39,8 +39,7 @@ { get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_NATSEMI, PCI_BASE_ADDRESS_0, - nics_natsemi); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_natsemi); buses_supported = CHIP_BUSTYPE_PARALLEL; Index: flashrom-pcidev_init_simplify/atahpt.c =================================================================== --- flashrom-pcidev_init_simplify/atahpt.c (Revision 1260) +++ flashrom-pcidev_init_simplify/atahpt.c (Arbeitskopie) @@ -44,8 +44,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_HPT, PCI_BASE_ADDRESS_4, - ata_hpt); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_4, ata_hpt); /* Enable flash access. */ reg32 = pci_read_long(pcidev_dev, REG_FLASH_ACCESS); Index: flashrom-pcidev_init_simplify/nic3com.c =================================================================== --- flashrom-pcidev_init_simplify/nic3com.c (Revision 1260) +++ flashrom-pcidev_init_simplify/nic3com.c (Arbeitskopie) @@ -59,8 +59,7 @@ { get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_3COM, PCI_BASE_ADDRESS_0, - nics_3com); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_3com); id = pcidev_dev->device_id; Index: flashrom-pcidev_init_simplify/satasii.c =================================================================== --- flashrom-pcidev_init_simplify/satasii.c (Revision 1260) +++ flashrom-pcidev_init_simplify/satasii.c (Arbeitskopie) @@ -47,7 +47,7 @@ get_io_perms(); - pcidev_init(PCI_VENDOR_ID_SII, PCI_BASE_ADDRESS_0, satas_sii); + pcidev_init(PCI_BASE_ADDRESS_0, satas_sii); id = pcidev_dev->device_id; Index: flashrom-pcidev_init_simplify/flashrom.c =================================================================== --- flashrom-pcidev_init_simplify/flashrom.c (Revision 1260) +++ flashrom-pcidev_init_simplify/flashrom.c (Arbeitskopie) @@ -61,7 +61,6 @@ #endif #if CONFIG_NICREALTEK == 1 PROGRAMMER_NICREALTEK - PROGRAMMER_NICREALTEK2 #endif #if CONFIG_NICNATSEMI == 1 PROGRAMMER_NICNATSEMI @@ -182,7 +181,9 @@ #if CONFIG_NICREALTEK == 1 { + /* This programmer works for Realtek RTL8139 and SMC 1211. */ .name = "nicrealtek", + //.name = "nicsmc1211", .init = nicrealtek_init, .shutdown = nicrealtek_shutdown, .map_flash_region = fallback_map, @@ -197,22 +198,6 @@ .chip_writen = fallback_chip_writen, .delay = internal_delay, }, - { - .name = "nicsmc1211", - .init = nicsmc1211_init, - .shutdown = nicrealtek_shutdown, - .map_flash_region = fallback_map, - .unmap_flash_region = fallback_unmap, - .chip_readb = nicrealtek_chip_readb, - .chip_readw = fallback_chip_readw, - .chip_readl = fallback_chip_readl, - .chip_readn = fallback_chip_readn, - .chip_writeb = nicrealtek_chip_writeb, - .chip_writew = fallback_chip_writew, - .chip_writel = fallback_chip_writel, - .chip_writen = fallback_chip_writen, - .delay = internal_delay, - }, #endif #if CONFIG_NICNATSEMI == 1 Index: flashrom-pcidev_init_simplify/programmer.h =================================================================== --- flashrom-pcidev_init_simplify/programmer.h (Revision 1260) +++ flashrom-pcidev_init_simplify/programmer.h (Arbeitskopie) @@ -36,7 +36,6 @@ #endif #if CONFIG_NICREALTEK == 1 PROGRAMMER_NICREALTEK, - PROGRAMMER_NICREALTEK2, #endif #if CONFIG_NICNATSEMI == 1 PROGRAMMER_NICNATSEMI, @@ -220,7 +219,7 @@ const char *device_name; }; uint32_t pcidev_validate(struct pci_dev *dev, uint32_t bar, const struct pcidev_status *devs); -uint32_t pcidev_init(uint16_t vendor_id, uint32_t bar, const struct pcidev_status *devs); +uint32_t pcidev_init(uint32_t bar, const struct pcidev_status *devs); /* rpci_write_* are reversible writes. The original PCI config space register * contents will be restored on shutdown. */ @@ -384,12 +383,10 @@ /* nicrealtek.c */ #if CONFIG_NICREALTEK == 1 int nicrealtek_init(void); -int nicsmc1211_init(void); int nicrealtek_shutdown(void); void nicrealtek_chip_writeb(uint8_t val, chipaddr addr); uint8_t nicrealtek_chip_readb(const chipaddr addr); extern const struct pcidev_status nics_realtek[]; -extern const struct pcidev_status nics_realteksmc1211[]; #endif /* nicnatsemi.c */ Index: flashrom-pcidev_init_simplify/print.c =================================================================== --- flashrom-pcidev_init_simplify/print.c (Revision 1260) +++ flashrom-pcidev_init_simplify/print.c (Arbeitskopie) @@ -249,9 +249,6 @@ printf("\nSupported devices for the %s programmer:\n", programmer_table[PROGRAMMER_NICREALTEK].name); print_supported_pcidevs(nics_realtek); - printf("\nSupported devices for the %s programmer:\n", - programmer_table[PROGRAMMER_NICREALTEK2].name); - print_supported_pcidevs(nics_realteksmc1211); #endif #if CONFIG_NICNATSEMI == 1 printf("\nSupported devices for the %s programmer:\n", -- http://www.hailfinger.org/

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[commit] r1274 - trunk
by repository service 07 Mar '11

07 Mar '11

Author: hailfinger Date: Mon Mar 7 02:08:09 2011 New Revision: 1274 URL: http://flashrom.org/trac/flashrom/changeset/1274 Log: Simplify pcidev_init by killing the vendorid parameter which was pretty useless anyway since it was present in the pcidevs parameter as well. This also allows us to handle multiple programmers with different vendor IDs in the same driver. Fix compilation of flashrom with only the nicrealtek driver. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006(a)gmx.net> Acked-by: Michael Karcher <flashrom(a)mkarcher.dialup.fu-berlin.de> Modified: trunk/atahpt.c trunk/drkaiser.c trunk/flashrom.c trunk/gfxnvidia.c trunk/nic3com.c trunk/nicintel_spi.c trunk/nicnatsemi.c trunk/nicrealtek.c trunk/ogp_spi.c trunk/pcidev.c trunk/print.c trunk/print_wiki.c trunk/programmer.h trunk/satamv.c trunk/satasii.c Modified: trunk/atahpt.c ============================================================================== --- trunk/atahpt.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/atahpt.c Mon Mar 7 02:08:09 2011 (r1274) @@ -44,8 +44,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_HPT, PCI_BASE_ADDRESS_4, - ata_hpt); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_4, ata_hpt); /* Enable flash access. */ reg32 = pci_read_long(pcidev_dev, REG_FLASH_ACCESS); Modified: trunk/drkaiser.c ============================================================================== --- trunk/drkaiser.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/drkaiser.c Mon Mar 7 02:08:09 2011 (r1274) @@ -43,8 +43,7 @@ get_io_perms(); - addr = pcidev_init(PCI_VENDOR_ID_DRKAISER, PCI_BASE_ADDRESS_2, - drkaiser_pcidev); + addr = pcidev_init(PCI_BASE_ADDRESS_2, drkaiser_pcidev); /* Write magic register to enable flash write. */ rpci_write_word(pcidev_dev, PCI_MAGIC_DRKAISER_ADDR, Modified: trunk/flashrom.c ============================================================================== --- trunk/flashrom.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/flashrom.c Mon Mar 7 02:08:09 2011 (r1274) @@ -61,7 +61,6 @@ #endif #if CONFIG_NICREALTEK == 1 PROGRAMMER_NICREALTEK - PROGRAMMER_NICREALTEK2 #endif #if CONFIG_NICNATSEMI == 1 PROGRAMMER_NICNATSEMI @@ -182,27 +181,13 @@ #if CONFIG_NICREALTEK == 1 { + /* This programmer works for Realtek RTL8139 and SMC 1211. */ .name = "nicrealtek", + //.name = "nicsmc1211", .init = nicrealtek_init, .shutdown = nicrealtek_shutdown, .map_flash_region = fallback_map, .unmap_flash_region = fallback_unmap, - .chip_readb = nicrealtek_chip_readb, - .chip_readw = fallback_chip_readw, - .chip_readl = fallback_chip_readl, - .chip_readn = fallback_chip_readn, - .chip_writeb = nicrealtek_chip_writeb, - .chip_writew = fallback_chip_writew, - .chip_writel = fallback_chip_writel, - .chip_writen = fallback_chip_writen, - .delay = internal_delay, - }, - { - .name = "nicsmc1211", - .init = nicsmc1211_init, - .shutdown = nicrealtek_shutdown, - .map_flash_region = fallback_map, - .unmap_flash_region = fallback_unmap, .chip_readb = nicrealtek_chip_readb, .chip_readw = fallback_chip_readw, .chip_readl = fallback_chip_readl, Modified: trunk/gfxnvidia.c ============================================================================== --- trunk/gfxnvidia.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/gfxnvidia.c Mon Mar 7 02:08:09 2011 (r1274) @@ -66,8 +66,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_NVIDIA, PCI_BASE_ADDRESS_0, - gfx_nvidia); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, gfx_nvidia); io_base_addr += 0x300000; msg_pinfo("Detected NVIDIA I/O base address: 0x%x.\n", io_base_addr); Modified: trunk/nic3com.c ============================================================================== --- trunk/nic3com.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/nic3com.c Mon Mar 7 02:08:09 2011 (r1274) @@ -59,8 +59,7 @@ { get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_3COM, PCI_BASE_ADDRESS_0, - nics_3com); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_3com); id = pcidev_dev->device_id; Modified: trunk/nicintel_spi.c ============================================================================== --- trunk/nicintel_spi.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/nicintel_spi.c Mon Mar 7 02:08:09 2011 (r1274) @@ -144,8 +144,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_INTEL, PCI_BASE_ADDRESS_0, - nics_intel_spi); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_intel_spi); nicintel_spibar = physmap("Intel Gigabit NIC w/ SPI flash", io_base_addr, 4096); Modified: trunk/nicnatsemi.c ============================================================================== --- trunk/nicnatsemi.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/nicnatsemi.c Mon Mar 7 02:08:09 2011 (r1274) @@ -39,8 +39,7 @@ { get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_NATSEMI, PCI_BASE_ADDRESS_0, - nics_natsemi); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_natsemi); buses_supported = CHIP_BUSTYPE_PARALLEL; Modified: trunk/nicrealtek.c ============================================================================== --- trunk/nicrealtek.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/nicrealtek.c Mon Mar 7 02:08:09 2011 (r1274) @@ -32,10 +32,6 @@ const struct pcidev_status nics_realtek[] = { {0x10ec, 0x8139, OK, "Realtek", "RTL8139/8139C/8139C+"}, - {}, -}; - -const struct pcidev_status nics_realteksmc1211[] = { {0x1113, 0x1211, OK, "SMC2", "1211TX"}, /* RTL8139 clone */ {}, }; @@ -44,20 +40,7 @@ { get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_REALTEK, PCI_BASE_ADDRESS_0, - nics_realtek); - - buses_supported = CHIP_BUSTYPE_PARALLEL; - - return 0; -} - -int nicsmc1211_init(void) -{ - get_io_perms(); - - io_base_addr = pcidev_init(PCI_VENDOR_ID_SMC1211, PCI_BASE_ADDRESS_0, - nics_realteksmc1211); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, nics_realtek); buses_supported = CHIP_BUSTYPE_PARALLEL; Modified: trunk/ogp_spi.c ============================================================================== --- trunk/ogp_spi.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/ogp_spi.c Mon Mar 7 02:08:09 2011 (r1274) @@ -120,8 +120,7 @@ get_io_perms(); - io_base_addr = pcidev_init(PCI_VENDOR_ID_OGP, PCI_BASE_ADDRESS_0, - ogp_spi); + io_base_addr = pcidev_init(PCI_BASE_ADDRESS_0, ogp_spi); ogp_spibar = physmap("OGP registers", io_base_addr, 4096); Modified: trunk/pcidev.c ============================================================================== --- trunk/pcidev.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/pcidev.c Mon Mar 7 02:08:09 2011 (r1274) @@ -188,8 +188,7 @@ return 0; } -uintptr_t pcidev_init(uint16_t vendor_id, int bar, - const struct pcidev_status *devs) +uintptr_t pcidev_init(int bar, const struct pcidev_status *devs) { struct pci_dev *dev; struct pci_filter filter; @@ -203,8 +202,7 @@ pci_scan_bus(pacc); /* We want to get the list of devices */ pci_filter_init(pacc, &filter); - /* Filter by vendor and also bb:dd.f (if supplied by the user). */ - filter.vendor = vendor_id; + /* Filter by bb:dd.f (if supplied by the user). */ pcidev_bdf = extract_programmer_param("pci"); if (pcidev_bdf != NULL) { if ((msg = pci_filter_parse_slot(&filter, pcidev_bdf))) { @@ -216,6 +214,9 @@ for (dev = pacc->devices; dev; dev = dev->next) { if (pci_filter_match(&filter, dev)) { + /* FIXME: We should count all matching devices, not + * just those with a valid BAR. + */ if ((addr = pcidev_validate(dev, bar, devs)) != 0) { curaddr = addr; pcidev_dev = dev; Modified: trunk/print.c ============================================================================== --- trunk/print.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/print.c Mon Mar 7 02:08:09 2011 (r1274) @@ -249,9 +249,6 @@ printf("\nSupported devices for the %s programmer:\n", programmer_table[PROGRAMMER_NICREALTEK].name); print_supported_pcidevs(nics_realtek); - printf("\nSupported devices for the %s programmer:\n", - programmer_table[PROGRAMMER_NICREALTEK2].name); - print_supported_pcidevs(nics_realteksmc1211); #endif #if CONFIG_NICNATSEMI == 1 printf("\nSupported devices for the %s programmer:\n", Modified: trunk/print_wiki.c ============================================================================== --- trunk/print_wiki.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/print_wiki.c Mon Mar 7 02:08:09 2011 (r1274) @@ -279,7 +279,6 @@ #endif #if CONFIG_NICREALTEK == 1 print_supported_pcidevs_wiki(nics_realtek); - print_supported_pcidevs_wiki(nics_realteksmc1211); #endif #if CONFIG_NICNATSEMI == 1 print_supported_pcidevs_wiki(nics_natsemi); Modified: trunk/programmer.h ============================================================================== --- trunk/programmer.h Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/programmer.h Mon Mar 7 02:08:09 2011 (r1274) @@ -36,7 +36,6 @@ #endif #if CONFIG_NICREALTEK == 1 PROGRAMMER_NICREALTEK, - PROGRAMMER_NICREALTEK2, #endif #if CONFIG_NICNATSEMI == 1 PROGRAMMER_NICNATSEMI, @@ -220,7 +219,7 @@ const char *device_name; }; uintptr_t pcidev_validate(struct pci_dev *dev, int bar, const struct pcidev_status *devs); -uintptr_t pcidev_init(uint16_t vendor_id, int bar, const struct pcidev_status *devs); +uintptr_t pcidev_init(int bar, const struct pcidev_status *devs); /* rpci_write_* are reversible writes. The original PCI config space register * contents will be restored on shutdown. */ @@ -384,12 +383,10 @@ /* nicrealtek.c */ #if CONFIG_NICREALTEK == 1 int nicrealtek_init(void); -int nicsmc1211_init(void); int nicrealtek_shutdown(void); void nicrealtek_chip_writeb(uint8_t val, chipaddr addr); uint8_t nicrealtek_chip_readb(const chipaddr addr); extern const struct pcidev_status nics_realtek[]; -extern const struct pcidev_status nics_realteksmc1211[]; #endif /* nicnatsemi.c */ Modified: trunk/satamv.c ============================================================================== --- trunk/satamv.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/satamv.c Mon Mar 7 02:08:09 2011 (r1274) @@ -67,7 +67,7 @@ /* No need to check for errors, pcidev_init() will not return in case * of errors. */ - addr = pcidev_init(0x11ab, PCI_BASE_ADDRESS_0, satas_mv); + addr = pcidev_init(PCI_BASE_ADDRESS_0, satas_mv); mv_bar = physmap("Marvell 88SX7042 registers", addr, 0x20000); if (mv_bar == ERROR_PTR) Modified: trunk/satasii.c ============================================================================== --- trunk/satasii.c Sun Mar 6 23:52:55 2011 (r1273) +++ trunk/satasii.c Mon Mar 7 02:08:09 2011 (r1274) @@ -47,7 +47,7 @@ get_io_perms(); - pcidev_init(PCI_VENDOR_ID_SII, PCI_BASE_ADDRESS_0, satas_sii); + pcidev_init(PCI_BASE_ADDRESS_0, satas_sii); id = pcidev_dev->device_id;

1 0

Re: [flashrom] [PATCH] Add mediatek_pata programmer
by Carl-Daniel Hailfinger 07 Mar '11

07 Mar '11

Auf 07.03.2011 01:05, Michael Karcher schrieb: > Add support for flashing using CD/DVD drives with mediatek chipsets. > > As the driver is now, it only supports parallel ATA drives with parallel > flash chips. The kind of drive access needed is not possible through IDE > drivers in the OS, flashrom has to access the IDE port directly. This will > interfere with OS drivers for the drive, so you better make sure that > the OS does not access the drive (or another drive on the same PATA channel) > during the flash process. > > On recent linux kernels (with libata), the invocation > "-p mediatek_pata:devname=sr0" should work. It is supposed to forcibly > unregister all drives on the IDE channel sr0 is on (you better don't have > a file system mounted on a hard drive on the same channel), perform the > flash job, and, if the drive successfully reboots, re-add all detectable > IDE devices on that channel. > > This patch is known to lack a man page section and violate the flashrom > coding style in some places - I send it out to catch some early reviews > on it. > > Signed-off-by: Michael Karcher <flashrom(a)mkarcher.dialup.fu-berlin.de> > Nice! Thanks for your patch. Short review follows. > diff --git a/Makefile b/Makefile > index 6028485..a38740f 100644 > --- a/Makefile > +++ b/Makefile > @@ -158,6 +158,9 @@ CONFIG_DEDIPROG ?= no > # Always enable Marvell SATA controllers for now. > CONFIG_SATAMV ?= yes > > +# Disable Mediatek PATA programmer until cleaned up > +CONFIG_MEDIATEK_PATA ?= no > + > # Disable wiki printing by default. It is only useful if you have wiki access. > CONFIG_PRINT_WIKI ?= no > > @@ -292,6 +295,17 @@ PROGRAMMER_OBJS += satamv.o > NEED_PCI := yes > endif > > +ifeq ($(CONFIG_MEDIATEK_PATA), yes) > +FEATURE_CFLAGS += -D'CONFIG_MEDIATEK_PATA=1' > +PROGRAMMER_OBJS += mediatek.o > +# actually, I/O access, not PCI > +NEED_PCI := yes > +ifeq ($(OS_ARCH), Linux) > +LIBS += $(shell pkg-config --libs libsysfs) > "pkg-config --libs libsysfs" returns an error on my opensuse 11.3 machine, but libsysfs is installed. This is caused by a missing libsysfs.pc file. Could you fall back to -lsysfs in that case? > +FEATURE_CFLAGS += $(shell pkg-config --cflags libsysfs) > Same problem here. Fallback: -I/usr/include/sysfs Besides that, do we want to test for libsysfs like we test for libpci? Related side note: Should we finally kill the overly complicated libftdi detection code, enable it always, and do a libpci-style detection instead (with a slightly modified error message which suggests to set CONFIG_FT2232_SPI=no to avoid the compile error)? > +endif > +endif > + > ifeq ($(NEED_SERIAL), yes) > LIB_OBJS += serial.o > endif > diff --git a/flashrom.c b/flashrom.c > index 4c6c1fa..05c0a0b 100644 > --- a/flashrom.c > +++ b/flashrom.c > @@ -52,7 +52,7 @@ enum programmer programmer = PROGRAMMER_DUMMY; > * if more than one of them is selected. If only one is selected, it is clear > * that the user wants that one to become the default. > */ > -#if CONFIG_NIC3COM+CONFIG_NICREALTEK+CONFIG_NICNATSEMI+CONFIG_GFXNVIDIA+CONFIG_DRKAISER+CONFIG_SATASII+CONFIG_ATAHPT+CONFIG_FT2232_SPI+CONFIG_SERPROG+CONFIG_BUSPIRATE_SPI+CONFIG_DEDIPROG+CONFIG_RAYER_SPI+CONFIG_NICINTEL_SPI+CONFIG_OGP_SPI+CONFIG_SATAMV > 1 > +#if CONFIG_NIC3COM+CONFIG_NICREALTEK+CONFIG_NICNATSEMI+CONFIG_GFXNVIDIA+CONFIG_DRKAISER+CONFIG_SATASII+CONFIG_ATAHPT+CONFIG_FT2232_SPI+CONFIG_SERPROG+CONFIG_BUSPIRATE_SPI+CONFIG_DEDIPROG+CONFIG_RAYER_SPI+CONFIG_NICINTEL_SPI+CONFIG_OGP_SPI+CONFIG_SATAMV+CONFIG_MEDIATEK_PATA > 1 > #error Please enable either CONFIG_DUMMY or CONFIG_INTERNAL or disable support for all programmers except one. > #endif > enum programmer programmer = > @@ -102,6 +102,9 @@ enum programmer programmer = > #if CONFIG_SATAMV == 1 > PROGRAMMER_SATAMV > #endif > +#if CONFIG_MEDIATEK_PATA == 1 > + PROGRAMMER_MEDIATEK_PATA > +#endif > ; > #endif > > @@ -483,6 +486,25 @@ const struct programmer_entry programmer_table[] = { > }, > #endif > > +#if CONFIG_MEDIATEK_PATA == 1 > + { > + .name = "mediatek_pata", > + .init = mediatek_pata_init, > + .shutdown = mediatek_pata_shutdown, > + .map_flash_region = fallback_map, > + .unmap_flash_region = fallback_unmap, > + .chip_readb = mediatek_pata_chip_readb, > + .chip_readw = fallback_chip_readw, > + .chip_readl = fallback_chip_readl, > + .chip_readn = fallback_chip_readn, > + .chip_writeb = mediatek_pata_chip_writeb, > + .chip_writew = fallback_chip_writew, > + .chip_writel = fallback_chip_writel, > + .chip_writen = fallback_chip_writen, > + .delay = internal_delay, > + }, > +#endif > + > {}, /* This entry corresponds to PROGRAMMER_INVALID. */ > }; > > diff --git a/mediatek.c b/mediatek.c > new file mode 100644 > index 0000000..e44a261 > --- /dev/null > +++ b/mediatek.c > @@ -0,0 +1,350 @@ > +/* > + * This file is part of the flashrom project. > + * > + * Copyright (C) 2011 Michael Karcher > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; version 2 of the License. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA > + */ > + > +/* driver for PATA connected CD/DVD drives with mediatek chipset */ > + > +#include <stdlib.h> > +#include <stdio.h> > +#include "flash.h" > +#include "programmer.h" > + > +#ifdef __linux__ > +#include <libsysfs.h> > sysfs/libsysfs.h instead? Not sure where it lives on Debian. > + > +static int grab_device(const char *devname, unsigned * portnum, int * isslave, char * rescanpath) > +{ > + struct sysfs_class *blockclass; > + struct sysfs_class_device *cdclassdevice; > + struct sysfs_device *cddevice, *targetdevice, *hostdevice, *atacontroller; > + struct dlist *targets, *hostadapters, *hosts; > + const char *subtarget, *haname; > + const char *resourcelist; > + int devhostnum, hostnum; > + int hostbus = 0, i; > + blockclass = sysfs_open_class("block"); > + cdclassdevice = sysfs_get_class_device(blockclass,devname); > + if (!cdclassdevice) > + { > + fputs("Device not found\n", stderr); > + return -1; > + } > + cddevice = sysfs_get_classdev_device(cdclassdevice); > + /* should be only 0 or 1 */ > + if (sscanf(cddevice->name,"%*d:%*d:%d",isslave) != 1) > + { > + fputs("can't parse device ID\n", stderr); > + return -1; > + } > + targetdevice = sysfs_get_device_parent(cddevice); > + hostdevice = sysfs_get_device_parent(targetdevice); > + sprintf(rescanpath,"%s/scsi_host",hostdevice->path); > + hostadapters = sysfs_open_directory_list(rescanpath); > + dlist_for_each_data(hostadapters, haname, const char) break; > + sprintf(rescanpath,"%s/scsi_host/%s/scan",hostdevice->path,haname); > + sysfs_close_list(hostadapters); > + targets = sysfs_open_directory_list(hostdevice->path); > + dlist_for_each_data (targets, subtarget, const char) { > + /* handle all targets on that bus */ > + if (strncmp(subtarget,"target",6) == 0) > + { > + struct dlist * luns; > + const char * lundevname; > + char lunspath[SYSFS_PATH_MAX], deldevpath[SYSFS_PATH_MAX]; > + sprintf(lunspath, "%s/%s", hostdevice->path, subtarget); > + /* handle all (i.e. one) LUN on that target */ > + luns = sysfs_open_directory_list(lunspath); > + dlist_for_each_data (luns, lundevname, const char) { > + /* handle children, not the "power" subdir */ > + if (strchr(lundevname,':')) > + { > + FILE * f; > + sprintf(deldevpath, "%s/%s/delete", lunspath, lundevname); > + f = fopen(deldevpath,"w"); > + if (!f) > + { > + fprintf(stderr, "Can't open %s for grabbing device\n", deldevpath); > + return -1; > + } > + fputs("1\n", f); > + fclose(f); > + } > + } > + sysfs_close_list(luns); > + } > + } > + sysfs_close_list(targets); > + if (sscanf(hostdevice->name, "host%d", &devhostnum) != 1) > + { > + fputs("Can't parse host number\n",stderr); > + return -1; > + } > + atacontroller = sysfs_get_device_parent(hostdevice); > + hosts = sysfs_open_directory_list(atacontroller->path); > + dlist_for_each_data (hosts, haname, const char) { > + if (sscanf(haname, "host%d", &hostnum) == 1 && > + hostnum < devhostnum) > + hostbus++; > + } > + sysfs_close_list(hosts); > + resourcelist = sysfs_get_device_attr(atacontroller, "resource")->value; > + for (i = 0; i < 2*hostbus; i++) > + resourcelist = strchr(resourcelist, '\n') + 1; > + if (sscanf(resourcelist,"%i",portnum) != 1) > + { > + fputs("Can't parse port number\n", stderr); > + return 1; > + } > + sysfs_close_class(blockclass); > + return 0; > +} > + > +static void release_device(void *rescanpath) > +{ > + FILE * f; > + f = fopen((const char*)rescanpath, "w"); > + if (!f) > + { > + fputs("Can't open rescanning metafile\n", stderr); > + return; > + } > + fputs("- - -\n",f); > + fclose(f); > +} > + > +#endif > + > +struct ataintf { > A comment what "intf" means would be appreciated. > + unsigned portbase; > + int slavebit; > +} mtk_intf; > + > +static int ide_submit(struct ataintf *ata, unsigned char *command) > +{ > + int i, status, ret = 0; > + command[6] &= ~0x10; > + command[6] |= ata->slavebit; > + for (i = 1; i < 7; i++) > + outb(command[i], ata->portbase+i); > OUTB please, otherwise non-Linux platforms will fail. > + outb(command[0], ata->portbase+7); > + programmer_delay(10000); > A comment explaining the delay would be nice. > + i = 0; > + while ((status = inb(ata->portbase+7)) & 0x80 && ++i < 200) > INB Magic numbers. Please use #defines instead where possible. > + programmer_delay(10000); > + if (i == 200) > + ret = -1; > + command[0] = status; > + for (i = 1; i < 7; i++) > + command[i] = inb(ata->portbase + i); > + return ret; > +} > + > +static int mtk_open(unsigned portbase, int is_slave, struct ataintf * ata) > Whitespace after *. > +{ > + ata->portbase = portbase; > + if (is_slave) > + ata->slavebit = 0x10; > #define for 0x10 please. > + else > + ata->slavebit = 0; > + return 0; > +} > + > +#define MTK_A19toA17 1 > +#define MTK_CONTROL 2 > +#define MTK_DATA 3 > +#define MTK_A7toA0 4 > +#define MTK_A15toA8 5 > + > +#define MTK_CTL_RAISE_nWE 0x01 > +#define MTK_CTL_LOWER_nWE 0x02 > +#define MTK_CTL_RAISE_nOE 0x04 > +#define MTK_CTL_LOWER_nOE 0x08 > +#define MTK_CTL_RAISE_nCS 0x10 > +#define MTK_CTL_LOWER_nCS 0x20 /* latches low 8 address bits */ > +#define MTK_CTL_DRIVE_DATA 0x40 > +#define MTK_CTL_ADDRESS_A16 0x80 > Some #defines have lowercase chars, but I don't really think that readability would benefit from making them uppercase. Hm. > + > +static int mtk_open_flash(struct ataintf * ata) > +{ > + unsigned char task[7]; > + task[0] = 0x80; /* Vendor specific */ > + task[3] = 0x2A; /* mediatek: start flash access */ > + ide_submit(ata, task); > I think Linux once supported ATA command filters for security reasons. Do we have to catch something like that, and does that security feature even impact us? > + msg_pdbg("status: %x\n", task[0]); > + if ((task[0] & 0xFC) != 0x70) { > + msg_perr("Mediatek flash mode signature didn't appear. Most likely " > + "unsupported device\n"); > + return 1; > + } > + if (task[0] == 0x70) /* parallel flash */ > + { > + outb(MTK_CTL_RAISE_nCS | MTK_CTL_RAISE_nOE | MTK_CTL_RAISE_nWE, ata->portbase + MTK_CONTROL); > + return 0; > + } > + else > + { > + msg_perr("Signature for parallel flash not found, maybe SPI flash?\n"); > + return 1; > + } > +} > + > +static int mtk_close_flash(struct ataintf * ata) > +{ > + unsigned char task[8]; > + task[0] = 0x81; /* Vendor specific */ > + task[2] = 8; > + task[3] = 0; > + if (ide_submit(ata, task) == -1) > + { > + msg_perr("error rebooting CD drive\n"); > + return -1; > + } > + return 0; > +} > + > +static unsigned char mtk_readb(struct ataintf * ata, unsigned address) > +{ > + unsigned char val; > + unsigned char A16bit = address & 0x10000 ? MTK_CTL_ADDRESS_A16 : 0; > + outb(A16bit, ata->portbase + MTK_CONTROL); > + outb(address >> 17, ata->portbase + MTK_A19toA17); > + outb(address >> 8, ata->portbase + MTK_A15toA8); > + outb(address >> 0, ata->portbase + MTK_A7toA0); > + outb(MTK_CTL_LOWER_nCS | MTK_CTL_LOWER_nOE | A16bit, ata->portbase + MTK_CONTROL); > + val = inb(ata->portbase + MTK_DATA); > + outb(MTK_CTL_RAISE_nCS | MTK_CTL_RAISE_nOE, ata->portbase + MTK_CONTROL); > + return val; > +} > + > +static void mtk_writeb(struct ataintf * ata, unsigned char val, unsigned address) > +{ > + unsigned char A16bit = address & 0x10000 ? MTK_CTL_ADDRESS_A16 : 0; > + outb(A16bit, ata->portbase + MTK_CONTROL); > + outb(address >> 17, ata->portbase + MTK_A19toA17); > + outb(address >> 8, ata->portbase + MTK_A15toA8); > + outb(address >> 0, ata->portbase + MTK_A7toA0); > + outb(val, ata->portbase + MTK_DATA); > + outb(MTK_CTL_LOWER_nCS | MTK_CTL_DRIVE_DATA | A16bit, ata->portbase + MTK_CONTROL); > + outb(MTK_CTL_LOWER_nWE | MTK_CTL_DRIVE_DATA | A16bit, ata->portbase + MTK_CONTROL); > + outb(MTK_CTL_RAISE_nCS | MTK_CTL_RAISE_nWE, ata->portbase + MTK_CONTROL); > +} > + > +#ifdef __linux__ > +static char rescanpath[SYSFS_PATH_MAX] = ""; > +#endif > + > +int mediatek_pata_init(void) > +{ > + unsigned iobase; > + int isslave; > + char *portpos = NULL, *devpos = NULL; > + > + /* IDE port specified */ > + if ((portpos = extract_programmer_param("iobase"))) { > + char *endptr = NULL; > + char *slaveptr; > + unsigned long tmp; > + tmp = strtoul(portpos, &endptr, 0); > + free(portpos); > We free portpos here. > + /* Port 0, port >0x10000, unaligned ports and garbage strings > + * are rejected. > + */ > + if (!tmp || (tmp >= 0x10000) || (tmp & 0x7) || > Is the alignment really 0x8, or something different? > + (*endptr != '\0')) { > And dereference portpos here. Boom. (If this is copy-pasted, this means we access freed memory in another driver as well.) > + /* Using ports below 0x100 is a really bad idea, and > + * should only be done if no port between 0x100 and > + * 0xfffc works due to routing issues. > + */ > + msg_perr("Error: iobase= specified, but the I/O base " > + "given was invalid.\nIt must be a multiple of " > + "0x8 and lie between 0x100 and 0xfff8.\n"); > + return 1; > + } > + iobase = tmp; > + slaveptr = extract_programmer_param("slave"); > Mh, so anything starting with slave= will match? > + isslave = slaveptr != NULL; > + free(slaveptr); > + } else if ((devpos = extract_programmer_param("devname"))) { > +#ifdef __linux__ > + if(grab_device(devpos, &iobase, &isslave, rescanpath) == 0) > + { > + msg_pinfo("device grabbed: %s at port %x\n", > + isslave?"slave":"master", iobase); > + } > + else > + { > + msg_perr("can't get access to device %s\n", devpos); > + return -1; > + } > +#else > + msg_perr("Open by devname is not implemented on this OS yet\n"); > + return -1; > +#endif > + } else { > + msg_perr("Need to specify either iobase or devname for the " > + "mediatek_pata driver\n"); > + return -1; > + } > + > + get_io_perms(); > + if (mtk_open(iobase, isslave, &mtk_intf) < 0) > + { > + msg_perr("can't access that device, aborting\n"); > +// return -1; > Why is this commented out? > + } > + if (mtk_open_flash(&mtk_intf) < 0) > + { > + msg_perr("can't get access to flash chip, aborting\n"); > + return -1; > + } > + return 0; > +} > + > +void mediatek_pata_chip_writeb(uint8_t val, chipaddr addr) > +{ > + mtk_writeb(&mtk_intf, val, addr); > +} > + > +uint8_t mediatek_pata_chip_readb(const chipaddr addr) > +{ > + return mtk_readb(&mtk_intf, addr); > +} > + > +int mediatek_pata_shutdown(void) > +{ > + int res; > + res = mtk_close_flash(&mtk_intf); > +#ifdef __linux__ > + if (rescanpath[0]) { > + if (res >= 0) /* don't rescan if the drive is broken now */ > + release_device(rescanpath); > + else { > + msg_perr("probably bad flash contents, won't" > + " rescan ATA bus\n"); > + msg_perr("use \"echo - - - > %s\" to rescan after" > + " fixing\n",rescanpath); > + msg_perr("use \"-p mediatek_pata:iobase=0x%x%s\" until" > + " the drive is working again\n", > + mtk_intf.portbase, > + mtk_intf.slavebit ? ":slave" : ""); > + } > + } > + rescanpath[0] = 0; > +#endif > + return 0; > +} > diff --git a/programmer.h b/programmer.h > index 7a497f8..b62b86f 100644 > --- a/programmer.h > +++ b/programmer.h > @@ -82,6 +82,9 @@ enum programmer { > #if CONFIG_SATAMV == 1 > PROGRAMMER_SATAMV, > #endif > +#if CONFIG_MEDIATEK_PATA == 1 > + PROGRAMMER_MEDIATEK_PATA, > +#endif > PROGRAMMER_INVALID /* This must always be the last entry. */ > }; > > @@ -516,6 +519,11 @@ char *extract_programmer_param(char *param_name); > /* layout.c */ > int show_id(uint8_t *bios, int size, int force); > > +int mediatek_pata_init(void); > +int mediatek_pata_shutdown(void); > +void mediatek_pata_chip_writeb(uint8_t val, chipaddr addr); > +uint8_t mediatek_pata_chip_readb(const chipaddr addr); > + > /* spi.c */ > enum spi_controller { > SPI_CONTROLLER_NONE, > I did not review any Linux-specific stuff, but the rest looks OK apart from the coding style issues you mentioned. Someone with more sysfs/libsysfs knowledge should take a look at the sysfs related stuff. Regards, Carl-Daniel -- http://www.hailfinger.org/

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flashrom March 2011