openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-02 06:23:18 +02:00
Code Issues Releases Wiki Activity

ichspi: add (partially) dead support code for Intel Hardware Sequencing

Browse Source 
This was done to ease the review. Another patch will hook up (and
explain) this code later.

Corresponding to flashrom svn r1452.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Stefan Tauner
2011-10-20 12:57:14 +00:00
parent 836b26a423
commit d0c5dc23e2
3 changed files with 113 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
ich_descriptors.c
View File

@ -213,6 +213,34 @@ void prettyprint_ich_descriptor_master(const struct ich_desc_master *mstr)
msg_pdbg2("\n");
}
/** Returns the integer representation of the component density with index
idx in bytes or 0 if a correct size can not be determined. */
int getFCBA_component_density(const struct ich_descriptors *desc, uint8_t idx)
{
uint8_t size_enc;
switch(idx) {
case 0:
size_enc = desc->component.comp1_density;
break;
case 1:
if (desc->content.NC == 0)
return 0;
size_enc = desc->component.comp2_density;
break;
default:
msg_perr("Only ICH SPI component index 0 or 1 are supported "
"yet.\n");
return 0;
}
if (size_enc > 5) {
msg_perr("Density of ICH SPI component with index %d is "
"invalid. Encoded density is 0x%x.\n", idx, size_enc);
return 0;
}
return (1 << (19 + size_enc));
}
static uint32_t read_descriptor_reg(uint8_t section, uint16_t offset, void *spibar)
{
uint32_t control = 0;