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Added the generic block-splitting code to nvs.c

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This commit is contained in:
Michael Brown
2006-12-04 19:06:07 +00:00
parent 1961ba44e1
commit 2d8d21fe74
4 changed files with 49 additions and 25 deletions
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9
src/include/gpxe/nvs.h
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@@ -11,8 +11,13 @@
/** A non-volatile storage device */
struct nvs_device {
/** Word length, in bits */
unsigned int word_len;
/** Word length
*
* This is expressed as the base-2 logarithm of the word
* length in bytes. A value of 0 therefore translates as
* 8-bit words, and a value of 1 translates as 16-bit words.
*/
unsigned int word_len_log2;
/** Device size (in words) */
unsigned int size;
/** Data block size (in words)

2
src/include/gpxe/threewire.h
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@@ -32,7 +32,7 @@ extern int threewire_read ( struct nvs_device *nvs, unsigned int address,
static inline __attribute__ (( always_inline )) void
init_at93cx6 ( struct spi_device *device, unsigned int organisation ) {
device->nvs.word_len = organisation;
device->nvs.word_len_log2 = ( ( organisation == 8 ) ? 0 : 1 );
device->nvs.block_size = 1;
device->command_len = 3,
device->nvs.read = threewire_read;