diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/intel/i210/i210.c | 67 |
1 files changed, 35 insertions, 32 deletions
diff --git a/src/drivers/intel/i210/i210.c b/src/drivers/intel/i210/i210.c index e821d48884..c5e0c4ef69 100644 --- a/src/drivers/intel/i210/i210.c +++ b/src/drivers/intel/i210/i210.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2014 Siemens AG. + * Copyright (C) 2014-2016 Siemens AG. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -25,13 +25,14 @@ /* We need one function we can call to get a MAC address to use */ /* This function can be coded somewhere else but must exist. */ -extern enum cb_err mainboard_get_mac_address(u16 bus, u8 devfn, u8 mac[6]); +extern enum cb_err mainboard_get_mac_address(uint16_t bus, uint8_t devfn, + uint8_t mac[6]); /* This is a private function to wait for a bit mask in a given register */ /* To avoid endless loops, a time-out is implemented here. */ -static int wait_done(u32* reg, u32 mask) +static int wait_done(uint32_t* reg, uint32_t mask) { - u32 timeout = I210_POLL_TIMEOUT_US; + uint32_t timeout = I210_POLL_TIMEOUT_US; while (!(*reg & mask)) { udelay(1); @@ -50,17 +51,18 @@ static int wait_done(u32* reg, u32 mask) * @param *buffer Pointer to the buffer where to store read data * @return void I210_NO_ERROR or an error code */ -static u32 read_flash(struct device *dev, u32 address, u32 count, u16 *buffer) +static uint32_t read_flash(struct device *dev, uint32_t address, + uint32_t count, uint16_t *buffer) { - u32 bar; - u32 *eeprd; - u32 i; + uint32_t bar; + uint32_t *eeprd; + uint32_t i; /* Get the BAR to memory mapped space*/ bar = pci_read_config32(dev, PCI_BASE_ADDRESS_0); if ((!bar) || ((address + count) > 0x40)) return I210_INVALID_PARAM; - eeprd = (u32*)(bar + I210_REG_EEREAD); + eeprd = (uint32_t*)(bar + I210_REG_EEREAD); /* Prior to start ensure flash interface is ready by checking DONE-bit */ if (wait_done(eeprd, I210_DONE)) return I210_NOT_READY; @@ -84,10 +86,10 @@ static u32 read_flash(struct device *dev, u32 address, u32 count, u16 *buffer) * @param *checksum Pointer to the buffer where to store the checksum * @return void I210_NO_ERROR or an error code */ -static u32 compute_checksum(struct device *dev, u16 *checksum) +static uint32_t compute_checksum(struct device *dev, uint16_t *checksum) { - u16 eep_data[0x40]; - u32 i; + uint16_t eep_data[0x40]; + uint32_t i; /* First read back data to compute the checksum for */ if (read_flash(dev, 0, 0x3f, eep_data)) @@ -111,20 +113,21 @@ static u32 compute_checksum(struct device *dev, u16 *checksum) * @param *buffer Pointer to the buffer where data to write is stored in * @return void I210_NO_ERROR or an error code */ -static u32 write_flash(struct device *dev, u32 address, u32 count, u16 *buffer) +static uint32_t write_flash(struct device *dev, uint32_t address, + uint32_t count, uint16_t *buffer) { - u32 bar; - u32 *eepwr; - u32 *eectrl; - u16 checksum; - u32 i; + uint32_t bar; + uint32_t *eepwr; + uint32_t *eectrl; + uint16_t checksum; + uint32_t i; /* Get the BAR to memory mapped space */ bar = pci_read_config32(dev, 0x10); if ((!bar) || ((address + count) > 0x40)) return I210_INVALID_PARAM; - eepwr = (u32*)(bar + I210_REG_EEWRITE); - eectrl = (u32*)(bar + I210_REG_EECTRL); + eepwr = (uint32_t*)(bar + I210_REG_EEWRITE); + eectrl = (uint32_t*)(bar + I210_REG_EECTRL); /* Prior to start ensure flash interface is ready by checking DONE-bit */ if (wait_done(eepwr, I210_DONE)) return I210_NOT_READY; @@ -145,8 +148,8 @@ static u32 write_flash(struct device *dev, u32 address, u32 count, u16 *buffer) if (wait_done(eepwr, I210_DONE)) return I210_WRITE_ERROR; /* Up to now, desired data was written into shadowed RAM. We now need */ - /* to perform a flash cycle to bring the shadowed RAM into flash memory. */ - /* To start a flash cycle we need to set FLUPD-bit and wait for FLDONE. */ + /* to perform a flash cycle to bring the shadowed RAM into flash. */ + /* To start a flash cycle we need to set FLUPD and wait for FLDONE. */ *eectrl = *eectrl | I210_FLUPD; if (wait_done(eectrl, I210_FLUDONE)) return I210_FLASH_UPDATE_ERROR; @@ -158,16 +161,16 @@ static u32 write_flash(struct device *dev, u32 address, u32 count, u16 *buffer) * @param *MACAdr Pointer to the buffer where to store read MAC address * @return void I210_NO_ERROR or an error code */ -static u32 read_mac_adr(struct device *dev, u8 *mac_adr) +static uint32_t read_mac_adr(struct device *dev, uint8_t *mac_adr) { - u16 adr[3]; + uint16_t adr[3]; if (!dev || !mac_adr) return I210_INVALID_PARAM; if (read_flash(dev, 0, 3, adr)) return I210_READ_ERROR; - /* Copy the address into destination. This is done because of */ - /* possible not matching alignment for destination to u16 boundary. */ - memcpy(mac_adr, (u8*)adr, 6); + /* Copy the address into destination. This is done because of possible */ + /* not matching alignment for destination to uint16_t boundary. */ + memcpy(mac_adr, (uint8_t*)adr, 6); return I210_SUCCESS; } @@ -176,13 +179,13 @@ static u32 read_mac_adr(struct device *dev, u8 *mac_adr) * @param *MACAdr Pointer to the buffer where the desired MAC address is * @return void I210_NO_ERROR or an error code */ -static u32 write_mac_adr(struct device *dev, u8 *mac_adr) +static uint32_t write_mac_adr(struct device *dev, uint8_t *mac_adr) { - u16 adr[3]; + uint16_t adr[3]; if (!dev || !mac_adr) return I210_INVALID_PARAM; /* Copy desired address into a local buffer to avoid alignment issues */ - memcpy((u8*)adr, mac_adr, 6); + memcpy((uint8_t*)adr, mac_adr, 6); return write_flash(dev, 0, 3, adr); } @@ -194,8 +197,8 @@ static u32 write_mac_adr(struct device *dev, u8 *mac_adr) */ static void init(struct device *dev) { - u8 cur_adr[6]; - u8 adr_to_set[6]; + uint8_t cur_adr[6]; + uint8_t adr_to_set[6]; enum cb_err status; /*Check first whether there is a valid MAC address available */ |