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sbxxx: Handle active IMCs in AMD chipsets

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Detect and temporarily disable the IMC while accessing the flash.
Disable writes on default, but allow the user to enforce it.

Corresponding to flashrom svn r1704.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: David Hendricks <dhendrix@google.com>
This commit is contained in:
Rudolf Marek
2013-07-25 22:58:56 +00:00
committed by Stefan Tauner
parent 1aa80b0648
commit 70e145989b
5 changed files with 235 additions and 21 deletions
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3
programmer.h
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@ -572,6 +572,9 @@ int ich_init_spi(struct pci_dev *dev, uint32_t base, void *rcrb,
enum ich_chipset ich_generation);
int via_init_spi(struct pci_dev *dev, uint32_t mmio_base);
/* imc.c */
int amd_imc_shutdown(struct pci_dev *dev);
/* it85spi.c */
int it85xx_spi_init(struct superio s);