diff options
Diffstat (limited to 'it8212.c')
| -rw-r--r-- | it8212.c | 34 |
1 files changed, 28 insertions, 6 deletions
@@ -20,7 +20,9 @@ #include "hwaccess_physmap.h" #include "platform/pci.h" -static uint8_t *it8212_bar = NULL; +struct it8212_data { + uint8_t *it8212_bar; +}; #define PCI_VENDOR_ID_ITE 0x1283 @@ -35,12 +37,22 @@ static const struct dev_entry devs_it8212[] = { static void it8212_chip_writeb(const struct flashctx *flash, uint8_t val, chipaddr addr) { - pci_mmio_writeb(val, it8212_bar + (addr & IT8212_MEMMAP_MASK)); + const struct it8212_data *data = flash->mst->par.data; + + pci_mmio_writeb(val, data->it8212_bar + (addr & IT8212_MEMMAP_MASK)); } static uint8_t it8212_chip_readb(const struct flashctx *flash, const chipaddr addr) { - return pci_mmio_readb(it8212_bar + (addr & IT8212_MEMMAP_MASK)); + const struct it8212_data *data = flash->mst->par.data; + + return pci_mmio_readb(data->it8212_bar + (addr & IT8212_MEMMAP_MASK)); +} + +static int it8212_shutdown(void *par_data) +{ + free(par_data); + return 0; } static const struct par_master par_master_it8212 = { @@ -52,10 +64,13 @@ static const struct par_master par_master_it8212 = { .chip_writew = fallback_chip_writew, .chip_writel = fallback_chip_writel, .chip_writen = fallback_chip_writen, + .shutdown = it8212_shutdown, }; static int it8212_init(void) { + uint8_t *bar; + struct pci_dev *dev = pcidev_init(devs_it8212, PCI_ROM_ADDRESS); if (!dev) return 1; @@ -65,15 +80,22 @@ static int it8212_init(void) if (!io_base_addr) return 1; - it8212_bar = rphysmap("IT8212F flash", io_base_addr, IT8212_MEMMAP_SIZE); - if (it8212_bar == ERROR_PTR) + bar = rphysmap("IT8212F flash", io_base_addr, IT8212_MEMMAP_SIZE); + if (bar == ERROR_PTR) + return 1; + + struct it8212_data *data = calloc(1, sizeof(*data)); + if (!data) { + msg_perr("Unable to allocate space for PAR master data\n"); return 1; + } + data->it8212_bar = bar; /* Restore ROM BAR decode state automatically at shutdown. */ rpci_write_long(dev, PCI_ROM_ADDRESS, io_base_addr | 0x01); max_rom_decode.parallel = IT8212_MEMMAP_SIZE; - return register_par_master(&par_master_it8212, BUS_PARALLEL, NULL); + return register_par_master(&par_master_it8212, BUS_PARALLEL, data); } const struct programmer_entry programmer_it8212 = { .name = "it8212", |