diff options
Diffstat (limited to 'atahpt.c')
-rw-r--r-- | atahpt.c | 100 |
1 files changed, 59 insertions, 41 deletions
@@ -14,24 +14,28 @@ * GNU General Public License for more details. */ -#if defined(__i386__) || defined(__x86_64__) - #include <stdlib.h> #include <string.h> #include "flash.h" #include "programmer.h" -#include "hwaccess.h" +#include "hwaccess_x86_io.h" +#include "platform/pci.h" #define BIOS_ROM_ADDR 0x90 #define BIOS_ROM_DATA 0x94 #define REG_FLASH_ACCESS 0x58 +#define BIT_FLASH_ACCESS BIT(24) #define PCI_VENDOR_ID_HPT 0x1103 -static uint32_t io_base_addr = 0; +struct atahpt_data { + struct pci_dev *dev; + uint32_t io_base_addr; + uint32_t flash_access; +}; -const struct dev_entry ata_hpt[] = { +static const struct dev_entry ata_hpt[] = { {0x1103, 0x0004, NT, "Highpoint", "HPT366/368/370/370A/372/372N"}, {0x1103, 0x0005, NT, "Highpoint", "HPT372A/372N"}, {0x1103, 0x0006, NT, "Highpoint", "HPT302/302N"}, @@ -40,29 +44,49 @@ const struct dev_entry ata_hpt[] = { }; static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val, - chipaddr addr); + chipaddr addr) +{ + struct atahpt_data *data = flash->mst->par.data; + + OUTL((uint32_t)addr, data->io_base_addr + BIOS_ROM_ADDR); + OUTB(val, data->io_base_addr + BIOS_ROM_DATA); +} + static uint8_t atahpt_chip_readb(const struct flashctx *flash, - const chipaddr addr); + const chipaddr addr) +{ + struct atahpt_data *data = flash->mst->par.data; + + OUTL((uint32_t)addr, data->io_base_addr + BIOS_ROM_ADDR); + return INB(data->io_base_addr + BIOS_ROM_DATA); +} + +static int atahpt_shutdown(void *par_data) +{ + struct atahpt_data *data = par_data; + + /* Restore original flash access state. */ + pci_write_long(data->dev, REG_FLASH_ACCESS, data->flash_access); + + free(par_data); + return 0; +} + static const struct par_master par_master_atahpt = { - .chip_readb = atahpt_chip_readb, - .chip_readw = fallback_chip_readw, - .chip_readl = fallback_chip_readl, - .chip_readn = fallback_chip_readn, - .chip_writeb = atahpt_chip_writeb, - .chip_writew = fallback_chip_writew, - .chip_writel = fallback_chip_writel, - .chip_writen = fallback_chip_writen, + .chip_readb = atahpt_chip_readb, + .chip_writeb = atahpt_chip_writeb, + .shutdown = atahpt_shutdown, }; -int atahpt_init(void) +static int atahpt_init(const struct programmer_cfg *cfg) { struct pci_dev *dev = NULL; - uint32_t reg32; + uint32_t io_base_addr; if (rget_io_perms()) return 1; - dev = pcidev_init(ata_hpt, PCI_BASE_ADDRESS_4); + dev = pcidev_init(cfg, ata_hpt, PCI_BASE_ADDRESS_4); if (!dev) return 1; @@ -70,30 +94,24 @@ int atahpt_init(void) if (!io_base_addr) return 1; - /* Enable flash access. */ - reg32 = pci_read_long(dev, REG_FLASH_ACCESS); - reg32 |= (1 << 24); - rpci_write_long(dev, REG_FLASH_ACCESS, reg32); - - register_par_master(&par_master_atahpt, BUS_PARALLEL); - - return 0; -} + struct atahpt_data *data = calloc(1, sizeof(*data)); + if (!data) { + msg_perr("Unable to allocate space for PAR master data\n"); + return 1; + } + data->dev = dev; + data->io_base_addr = io_base_addr; -static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val, - chipaddr addr) -{ - OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR); - OUTB(val, io_base_addr + BIOS_ROM_DATA); -} + /* Enable flash access. */ + data->flash_access = pci_read_long(dev, REG_FLASH_ACCESS); + pci_write_long(dev, REG_FLASH_ACCESS, data->flash_access | BIT_FLASH_ACCESS); -static uint8_t atahpt_chip_readb(const struct flashctx *flash, - const chipaddr addr) -{ - OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR); - return INB(io_base_addr + BIOS_ROM_DATA); + return register_par_master(&par_master_atahpt, BUS_PARALLEL, data); } -#else -#error PCI port I/O access is not supported on this architecture yet. -#endif +const struct programmer_entry programmer_atahpt = { + .name = "atahpt", + .type = PCI, + .devs.dev = ata_hpt, + .init = atahpt_init, +}; |