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nicintel_eeprom: turn 82580 state variable into a struct

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Intel 82580 has more than just the "eec" variable. Others will be
added to the structure in the next commits.

TOPIC=register_master_api
TEST=builds

Change-Id: I66d42c6648088da7097674314dd00f34ef97119c
Signed-off-by: Alexander Goncharov <chat@joursoir.net>
Ticket: https://ticket.coreboot.org/issues/391
Reviewed-on: https://review.coreboot.org/c/flashrom/+/66689
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-by: Thomas Heijligen <src@posteo.de>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Alexander Goncharov 2022-08-11 21:47:13 +03:00 committed by Anastasia Klimchuk
parent 0b654bb92e
commit 95b6cf1835
1 changed files with 20 additions and 12 deletions
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32
nicintel_eeprom.c
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@ -77,6 +77,11 @@ static bool done_i20_write = false;
#define UNPROG_DEVICE 0x1509
struct nicintel_eeprom_data {
/* Intel 82580 variable(s) */
uint32_t eec;
};
/*
* Warning: is_i210() below makes assumptions on these PCI ids.
* It may have to be updated when this list is extended.
@ -419,12 +424,13 @@ out:
return ret;
}
static int nicintel_ee_shutdown_82580(void *eecp)
static int nicintel_ee_shutdown_82580(void *opaque_data)
{
struct nicintel_eeprom_data *data = opaque_data;
int ret = 0;
if (nicintel_pci->device_id != UNPROG_DEVICE) {
uint32_t old_eec = *(uint32_t *)eecp;
uint32_t old_eec = data->eec;
/* Request bitbanging and unselect the chip first to be safe. */
if (nicintel_ee_req() || nicintel_ee_bitset(EEC, EE_CS, 1)) {
ret = -1;
@ -441,7 +447,7 @@ static int nicintel_ee_shutdown_82580(void *eecp)
}
out:
free(eecp);
free(data);
return ret;
}
@ -463,6 +469,8 @@ static const struct opaque_master opaque_master_nicintel_ee_i210 = {
static int nicintel_ee_init(void)
{
uint32_t eec = 0;
struct pci_dev *dev = pcidev_init(nics_intel_ee, PCI_BASE_ADDRESS_0);
if (!dev)
return 1;
@ -476,11 +484,9 @@ static int nicintel_ee_init(void)
if (!nicintel_eebar)
return 1;
uint32_t *eecp = NULL;
nicintel_pci = dev;
if (dev->device_id != UNPROG_DEVICE) {
uint32_t eec = pci_mmio_readl(nicintel_eebar + EEC);
eec = pci_mmio_readl(nicintel_eebar + EEC);
/* C.f. 3.3.1.5 for the detection mechanism (maybe? contradicting
the EE_PRES definition),
@ -489,14 +495,16 @@ static int nicintel_ee_init(void)
msg_perr("Controller reports no EEPROM is present.\n");
return 1;
}
eecp = malloc(sizeof(uint32_t));
if (eecp == NULL)
return 1;
*eecp = eec;
}
return register_opaque_master(&opaque_master_nicintel_ee_82580, eecp);
struct nicintel_eeprom_data *data = calloc(1, sizeof(*data));
if (!data) {
msg_perr("Unable to allocate space for OPAQUE master data\n");
return 1;
}
data->eec = eec;
return register_opaque_master(&opaque_master_nicintel_ee_82580, data);
} else {
nicintel_eebar = rphysmap("Intel i210 NIC w/ emulated EEPROM",
io_base_addr + 0x12000, MEMMAP_SIZE);