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authorDavid Woodhouse <dwmw2@infradead.org>2007-09-23 18:51:25 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2007-09-23 18:51:25 +0100
commit0bac5111cc00b70460dd8ba8340522e1f0d79f05 (patch)
treea4acd567a75ba775f28aed81993bd4b82aa61e5a /drivers/rtc/rtc-ds1742.c
parent59d8235be2ab38ddaffbe9137385095a5e8b0a77 (diff)
[MTD] map driver for NOR flash on the Intel Vermilion Range chipset
The Vermilion Range Expansion Bus supports four chip selects, each of which has 64MiB of address space. The 2nd BAR of the Expansion Bus PCI Device is a 256MiB memory region containing the address spaces for all four of the chip selects, with start addresses hardcoded on 64MiB boundaries. This map driver only supports NOR flash on chip select 0. The buswidth (either 8 bits or 16 bits) is determined by reading the Expansion Bus Timing and Control Register for Chip Select 0 (EXP_TIMING_CS0). Signed-off-by: Andy Lowe <alowe@mvista.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/rtc/rtc-ds1742.c')
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