diff options
| -rw-r--r-- | board_enable.c | 76 | ||||
| -rw-r--r-- | chipset_enable.c | 141 | ||||
| -rw-r--r-- | flash.h | 45 |
3 files changed, 122 insertions, 140 deletions
diff --git a/board_enable.c b/board_enable.c index 13c4f1f..2610a53 100644 --- a/board_enable.c +++ b/board_enable.c @@ -50,13 +50,13 @@ static void w836xx_ext_leave(uint16_t port) static unsigned char wbsio_read(uint16_t index, uint8_t reg) { outb(reg, index); - return inb(index+1); + return inb(index + 1); } static void wbsio_write(uint16_t index, uint8_t reg, uint8_t data) { outb(reg, index); - outb(data, index+1); + outb(data, index + 1); } static void wbsio_mask(uint16_t index, uint8_t reg, uint8_t data, uint8_t mask) @@ -64,8 +64,8 @@ static void wbsio_mask(uint16_t index, uint8_t reg, uint8_t data, uint8_t mask) uint8_t tmp; outb(reg, index); - tmp = inb(index+1) & ~mask; - outb(tmp | (data & mask), index+1); + tmp = inb(index + 1) & ~mask; + outb(tmp | (data & mask), index + 1); } /** @@ -79,8 +79,8 @@ static int w83627hf_gpio24_raise(uint16_t index, const char *name) { w836xx_ext_enter(index); - /* Is this the w83627hf? */ - if (wbsio_read(index, 0x20) != 0x52) { /* Super I/O device ID register */ + /* Is this the W83627HF? */ + if (wbsio_read(index, 0x20) != 0x52) { /* Super I/O device ID reg. */ fprintf(stderr, "\nERROR: %s: W83627HF: Wrong ID: 0x%02X.\n", name, wbsio_read(index, 0x20)); w836xx_ext_leave(index); @@ -90,14 +90,12 @@ static int w83627hf_gpio24_raise(uint16_t index, const char *name) /* PIN89S: WDTO/GP24 multiplex -> GPIO24 */ wbsio_mask(index, 0x2B, 0x10, 0x10); - wbsio_write(index, 0x07, 0x08); /* Select logical device 8: GPIO port 2 */ + /* Select logical device 8: GPIO port 2 */ + wbsio_write(index, 0x07, 0x08); wbsio_mask(index, 0x30, 0x01, 0x01); /* Activate logical device. */ - wbsio_mask(index, 0xF0, 0x00, 0x10); /* GPIO24 -> output */ - wbsio_mask(index, 0xF2, 0x00, 0x10); /* Clear GPIO24 inversion */ - wbsio_mask(index, 0xF1, 0x10, 0x10); /* Raise GPIO24 */ w836xx_ext_leave(index); @@ -107,6 +105,7 @@ static int w83627hf_gpio24_raise(uint16_t index, const char *name) static int w83627hf_gpio24_raise_2e(const char *name) { + /* TODO: Typo? Shouldn't this be 0x2e? */ return w83627hf_gpio24_raise(0x2d, name); } @@ -119,8 +118,9 @@ static int w83627hf_gpio24_raise_2e(const char *name) static int w83627thf_gpio4_4_raise(uint16_t index, const char *name) { w836xx_ext_enter(index); - /* Is this the w83627thf? */ - if (wbsio_read(index, 0x20) != 0x82) { /* Super I/O device ID register */ + + /* Is this the W83627THF? */ + if (wbsio_read(index, 0x20) != 0x82) { /* Super I/O device ID reg. */ fprintf(stderr, "\nERROR: %s: W83627THF: Wrong ID: 0x%02X.\n", name, wbsio_read(index, 0x20)); w836xx_ext_leave(index); @@ -129,15 +129,11 @@ static int w83627thf_gpio4_4_raise(uint16_t index, const char *name) /* PINxxxxS: GPIO4/bit 4 multiplex -> GPIOXXX */ - wbsio_write(index, 0x07, 0x09); /* Select logical device 9: GPIO port 4 */ - - wbsio_mask(index, 0x30, 0x02, 0x02); /* Activate logical device. */ - - wbsio_mask(index, 0xF4, 0x00, 0x10); /* GPIO4 bit 4 -> output */ - - wbsio_mask(index, 0xF6, 0x00, 0x10); /* Clear GPIO4 bit 4 inversion */ - - wbsio_mask(index, 0xF5, 0x10, 0x10); /* Raise GPIO4 bit 4 */ + wbsio_write(index, 0x07, 0x09); /* Select LDN 9: GPIO port 4 */ + wbsio_mask(index, 0x30, 0x02, 0x02); /* Activate logical device. */ + wbsio_mask(index, 0xF4, 0x00, 0x10); /* GPIO4 bit 4 -> output */ + wbsio_mask(index, 0xF6, 0x00, 0x10); /* Clear GPIO4 bit 4 inversion */ + wbsio_mask(index, 0xF5, 0x10, 0x10); /* Raise GPIO4 bit 4 */ w836xx_ext_leave(index); @@ -146,8 +142,9 @@ static int w83627thf_gpio4_4_raise(uint16_t index, const char *name) static int w83627thf_gpio4_4_raise_4e(const char *name) { - return w83627thf_gpio4_4_raise(0x4E, name); + return w83627thf_gpio4_4_raise(0x4e, name); } + /** * Suited for VIAs EPIA M and MII, and maybe other CLE266 based EPIAs. * @@ -156,7 +153,7 @@ static int w83627thf_gpio4_4_raise_4e(const char *name) static int board_via_epia_m(const char *name) { struct pci_dev *dev; - unsigned int base; + uint16_t base; uint8_t val; dev = pci_dev_find(0x1106, 0x3177); /* VT8235 ISA bridge */ @@ -173,7 +170,7 @@ static int board_via_epia_m(const char *name) /* Get Power Management IO address. */ base = pci_read_word(dev, 0x88) & 0xFF80; - /* enable GPIO15 which is connected to write protect. */ + /* Enable GPIO15 which is connected to write protect. */ val = inb(base + 0x4D); val |= 0x80; outb(val, base + 0x4D); @@ -199,16 +196,16 @@ static int board_asus_a7v8x_mx(const char *name) return -1; } - /* This bit is marked reserved actually */ + /* This bit is marked reserved actually. */ val = pci_read_byte(dev, 0x59); val &= 0x7F; pci_write_byte(dev, 0x59, val); - /* Raise ROM MEMW# line on Winbond w83697 SuperIO */ + /* Raise ROM MEMW# line on Winbond W83697 Super I/O. */ w836xx_ext_enter(0x2E); - if (!(wbsio_read(0x2E, 0x24) & 0x02)) /* flash rom enabled? */ - wbsio_mask(0x2E, 0x24, 0x08, 0x08); /* enable MEMW# */ + if (!(wbsio_read(0x2E, 0x24) & 0x02)) /* Flash ROM enabled? */ + wbsio_mask(0x2E, 0x24, 0x08, 0x08); /* Enable MEMW#. */ w836xx_ext_leave(0x2E); @@ -323,7 +320,7 @@ static int board_epox_ep_bx3(const char *name) } /** - * Suited for Acorp 6A815EPD + * Suited for Acorp 6A815EPD. */ static int board_acorp_6a815epd(const char *name) { @@ -338,7 +335,7 @@ static int board_acorp_6a815epd(const char *name) } /* Use GPIOBASE register to find where the GPIO is mapped. */ - port = (pci_read_word(dev, 0x58) & 0xFF80) + 0xE; + port = (pci_read_word(dev, 0x58) & 0xFFC0) + 0xE; val = inb(port); val |= 0x80; /* Top Block Lock -- pin 8 of PLCC32 */ @@ -357,25 +354,25 @@ static int board_acorp_6a815epd(const char *name) * Keep the second set NULLed if it should be ignored. */ struct board_pciid_enable { - /* Any device, but make it sensible, like the isa bridge. */ + /* Any device, but make it sensible, like the ISA bridge. */ uint16_t first_vendor; uint16_t first_device; uint16_t first_card_vendor; uint16_t first_card_device; /* Any device, but make it sensible, like - * the host bridge. May be NULL + * the host bridge. May be NULL. */ uint16_t second_vendor; uint16_t second_device; uint16_t second_card_vendor; uint16_t second_card_device; - /* From linuxbios table */ - char *lb_vendor; - char *lb_part; + /* The vendor / part name from the LinuxBIOS table. */ + const char *lb_vendor; + const char *lb_part; - char *name; + const char *name; int (*enable) (const char *name); }; @@ -411,8 +408,7 @@ struct board_pciid_enable board_pciid_enables[] = { * Match boards on LinuxBIOS table gathered vendor and part name. * Require main PCI IDs to match too as extra safety. */ -static struct board_pciid_enable *board_match_linuxbios_name(char *vendor, - char *part) +static struct board_pciid_enable *board_match_linuxbios_name(const char *vendor, const char *part) { struct board_pciid_enable *board = board_pciid_enables; @@ -431,7 +427,9 @@ static struct board_pciid_enable *board_match_linuxbios_name(char *vendor, continue; return board; } + printf("NOT FOUND %s:%s\n", vendor, part); + return NULL; } @@ -472,7 +470,7 @@ static struct board_pciid_enable *board_match_pci_card_ids(void) return NULL; } -int board_flash_enable(char *vendor, char *part) +int board_flash_enable(const char *vendor, const char *part) { struct board_pciid_enable *board = NULL; int ret = 0; diff --git a/chipset_enable.c b/chipset_enable.c index 87929f5..7eecf09 100644 --- a/chipset_enable.c +++ b/chipset_enable.c @@ -34,12 +34,14 @@ #include <unistd.h> #include "flash.h" -static int enable_flash_ali_m1533(struct pci_dev *dev, char *name) +static int enable_flash_ali_m1533(struct pci_dev *dev, const char *name) { uint8_t tmp; - /* ROM Write enable, 0xFFFC0000-0xFFFDFFFF and - 0xFFFE0000-0xFFFFFFFF ROM select enable. */ + /* + * ROM Write enable, 0xFFFC0000-0xFFFDFFFF and + * 0xFFFE0000-0xFFFFFFFF ROM select enable. + */ tmp = pci_read_byte(dev, 0x47); tmp |= 0x46; pci_write_byte(dev, 0x47, tmp); @@ -47,24 +49,28 @@ static int enable_flash_ali_m1533(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_sis630(struct pci_dev *dev, char *name) +static int enable_flash_sis630(struct pci_dev *dev, const char *name) { - char b; + uint8_t b; - /* Enable 0xFFF8000~0xFFFF0000 decoding on SiS 540/630 */ + /* Enable 0xFFF8000~0xFFFF0000 decoding on SiS 540/630. */ b = pci_read_byte(dev, 0x40); pci_write_byte(dev, 0x40, b | 0xb); - /* Flash write enable on SiS 540/630 */ + + /* Flash write enable on SiS 540/630. */ b = pci_read_byte(dev, 0x45); pci_write_byte(dev, 0x45, b | 0x40); - /* The same thing on SiS 950 SuperIO side */ + /* The same thing on SiS 950 Super I/O side... */ + + /* First probe for Super I/O on config port 0x2e. */ outb(0x87, 0x2e); outb(0x01, 0x2e); outb(0x55, 0x2e); outb(0x55, 0x2e); if (inb(0x2f) != 0x87) { + /* If that failed, try config port 0x4e. */ outb(0x87, 0x4e); outb(0x01, 0x4e); outb(0x55, 0x4e); @@ -99,7 +105,7 @@ static int enable_flash_sis630(struct pci_dev *dev, char *name) * - PDF: http://www.intel.com/design/intarch/datashts/29056201.pdf * - Order Number: 290562-001 */ -static int enable_flash_piix4(struct pci_dev *dev, char *name) +static int enable_flash_piix4(struct pci_dev *dev, const char *name) { uint16_t old, new; uint16_t xbcs = 0x4e; /* X-Bus Chip Select register. */ @@ -132,23 +138,19 @@ static int enable_flash_piix4(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_ich(struct pci_dev *dev, char *name, int bios_cntl) +/* + * See ie. page 375 of "Intel ICH7 External Design Specification" + * http://download.intel.com/design/chipsets/datashts/30701302.pdf + */ +static int enable_flash_ich(struct pci_dev *dev, const char *name, + int bios_cntl) { - /* register 4e.b gets or'ed with one */ uint8_t old, new; - /* if it fails, it fails. There are so many variations of broken mobos - * that it is hard to argue that we should quit at this point. - */ - - /* Note: the ICH0-ICH5 BIOS_CNTL register is actually 16 bit wide, but + /* + * Note: the ICH0-ICH5 BIOS_CNTL register is actually 16 bit wide, but * just treating it as 8 bit wide seems to work fine in practice. */ - - /* see ie. page 375 of "Intel ICH7 External Design Specification" - * http://download.intel.com/design/chipsets/datashts/30701302.pdf - */ - old = pci_read_byte(dev, bios_cntl); new = old | 1; @@ -166,17 +168,17 @@ static int enable_flash_ich(struct pci_dev *dev, char *name, int bios_cntl) return 0; } -static int enable_flash_ich_4e(struct pci_dev *dev, char *name) +static int enable_flash_ich_4e(struct pci_dev *dev, const char *name) { return enable_flash_ich(dev, name, 0x4e); } -static int enable_flash_ich_dc(struct pci_dev *dev, char *name) +static int enable_flash_ich_dc(struct pci_dev *dev, const char *name) { return enable_flash_ich(dev, name, 0xdc); } -static int enable_flash_vt823x(struct pci_dev *dev, char *name) +static int enable_flash_vt823x(struct pci_dev *dev, const char *name) { uint8_t val; @@ -194,7 +196,7 @@ static int enable_flash_vt823x(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_cs5530(struct pci_dev *dev, char *name) +static int enable_flash_cs5530(struct pci_dev *dev, const char *name) { uint8_t reg8; @@ -224,7 +226,7 @@ static int enable_flash_cs5530(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_cs5536(struct pci_dev *dev, char *name) +static int enable_flash_cs5536(struct pci_dev *dev, const char *name) { int fd_msr; unsigned char buf[8]; @@ -233,15 +235,15 @@ static int enable_flash_cs5536(struct pci_dev *dev, char *name) /* Geode systems write protect the BIOS via RCONFs (cache * settings similar to MTRRs). To unlock, change MSR 0x1808 * top byte to 0x22. Reading and writing to msr, however - * requires instrucitons rdmsr/wrmsr, which are ring0 privileged + * requires instructions rdmsr/wrmsr, which are ring0 privileged * instructions so only the kernel can do the read/write. This * function, therefore, requires that the msr kernel module be * loaded to access these instructions from user space using * device /dev/cpu/0/msr. This hard-coded driver location * could have potential problems on SMP machines since it - * assumes cpu0, but it is safe on the geode which is not SMP. + * assumes cpu0, but it is safe on the Geode which is not SMP. * - * This is probably not portable beyond linux. + * This is probably not portable beyond Linux. */ fd_msr = open("/dev/cpu/0/msr", O_RDONLY); @@ -272,7 +274,7 @@ static int enable_flash_cs5536(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_sc1100(struct pci_dev *dev, char *name) +static int enable_flash_sc1100(struct pci_dev *dev, const char *name) { uint8_t new; @@ -288,16 +290,14 @@ static int enable_flash_sc1100(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_sis5595(struct pci_dev *dev, char *name) +static int enable_flash_sis5595(struct pci_dev *dev, const char *name) { uint8_t new, newer; new = pci_read_byte(dev, 0x45); - /* clear bit 5 */ - new &= (~0x20); - /* set bit 2 */ - new |= 0x4; + new &= (~0x20); /* Clear bit 5. */ + new |= 0x4; /* Set bit 2. */ pci_write_byte(dev, 0x45, new); @@ -311,16 +311,11 @@ static int enable_flash_sis5595(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_amd8111(struct pci_dev *dev, char *name) +static int enable_flash_amd8111(struct pci_dev *dev, const char *name) { - /* register 4e.b gets or'ed with one */ uint8_t old, new; - /* if it fails, it fails. There are so many variations of broken mobos - * that it is hard to argue that we should quit at this point. - */ - - /* enable decoding at 0xffb00000 to 0xffffffff */ + /* Enable decoding at 0xffb00000 to 0xffffffff. */ old = pci_read_byte(dev, 0x43); new = old | 0xC0; if (new != old) { @@ -344,17 +339,10 @@ static int enable_flash_amd8111(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_ck804(struct pci_dev *dev, char *name) +static int enable_flash_ck804(struct pci_dev *dev, const char *name) { - /* register 4e.b gets or'ed with one */ uint8_t old, new; - /* if it fails, it fails. There are so many variations of broken mobos - * that it is hard to argue that we should quit at this point. - */ - - /* dump_pci_device(dev); */ - old = pci_read_byte(dev, 0x88); new = old | 0xc0; if (new != old) { @@ -378,14 +366,14 @@ static int enable_flash_ck804(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_sb400(struct pci_dev *dev, char *name) +/* ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80) */ +static int enable_flash_sb400(struct pci_dev *dev, const char *name) { uint8_t tmp; - struct pci_filter f; struct pci_dev *smbusdev; - /* then look for the smbus device */ + /* Look for the SMBus device. */ pci_filter_init((struct pci_access *)0, &f); f.vendor = 0x1002; f.device = 0x4372; @@ -397,21 +385,21 @@ static int enable_flash_sb400(struct pci_dev *dev, char *name) } if (!smbusdev) { - fprintf(stderr, "ERROR: SMBus device not found. aborting\n"); + fprintf(stderr, "ERROR: SMBus device not found. Aborting.\n"); exit(1); } - /* enable some smbus stuff */ + /* Enable some SMBus stuff. */ tmp = pci_read_byte(smbusdev, 0x79); tmp |= 0x01; pci_write_byte(smbusdev, 0x79, tmp); - /* change southbridge */ + /* Change southbridge. */ tmp = pci_read_byte(dev, 0x48); tmp |= 0x21; pci_write_byte(dev, 0x48, tmp); - /* now become a bit silly. */ + /* Now become a bit silly. */ tmp = inb(0xc6f); outb(tmp, 0xeb); outb(tmp, 0xeb); @@ -423,19 +411,12 @@ static int enable_flash_sb400(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_mcp55(struct pci_dev *dev, char *name) +static int enable_flash_mcp55(struct pci_dev *dev, const char *name) { - /* register 4e.b gets or'ed with one */ - unsigned char old, new, byte; - unsigned short word; - - /* if it fails, it fails. There are so many variations of broken mobos - * that it is hard to argue that we should quit at this point. - */ + uint8_t old, new, byte; + uint16_t word; - /* dump_pci_device(dev); */ - - /* Set the 0-16 MB enable bits */ + /* Set the 0-16 MB enable bits. */ byte = pci_read_byte(dev, 0x88); byte |= 0xff; /* 256K */ pci_write_byte(dev, 0x88, byte); @@ -462,7 +443,7 @@ static int enable_flash_mcp55(struct pci_dev *dev, char *name) return 0; } -static int enable_flash_ht1000(struct pci_dev *dev, char *name) +static int enable_flash_ht1000(struct pci_dev *dev, const char *name) { uint8_t byte; @@ -479,12 +460,12 @@ static int enable_flash_ht1000(struct pci_dev *dev, char *name) } typedef struct penable { - unsigned short vendor, device; - char *name; - int (*doit) (struct pci_dev * dev, char *name); + uint16_t vendor, device; + const char *name; + int (*doit) (struct pci_dev *dev, const char *name); } FLASH_ENABLE; -static FLASH_ENABLE enables[] = { +static const FLASH_ENABLE enables[] = { {0x1039, 0x0630, "SIS630", enable_flash_sis630}, {0x8086, 0x7110, "PIIX4/PIIX4E/PIIX4M", enable_flash_piix4}, {0x8086, 0x7198, "Intel 440MX", enable_flash_piix4}, @@ -517,17 +498,14 @@ static FLASH_ENABLE enables[] = { {0x1022, 0x2080, "AMD GEODE CS5536", enable_flash_cs5536}, {0x1022, 0x7468, "AMD8111", enable_flash_amd8111}, {0x10B9, 0x1533, "ALi M1533", enable_flash_ali_m1533}, - /* this fallthrough looks broken. */ {0x10de, 0x0050, "NVIDIA CK804", enable_flash_ck804}, /* LPC */ {0x10de, 0x0051, "NVIDIA CK804", enable_flash_ck804}, /* Pro */ {0x10de, 0x00d3, "NVIDIA CK804", enable_flash_ck804}, /* Slave, should not be here, to fix known bug for A01. */ - {0x10de, 0x0260, "NVidia MCP51", enable_flash_ck804}, {0x10de, 0x0261, "NVidia MCP51", enable_flash_ck804}, {0x10de, 0x0262, "NVidia MCP51", enable_flash_ck804}, {0x10de, 0x0263, "NVidia MCP51", enable_flash_ck804}, - - {0x10de, 0x0360, "NVIDIA MCP55", enable_flash_mcp55}, /* Gigabyte m57sli-s4 */ + {0x10de, 0x0360, "NVIDIA MCP55", enable_flash_mcp55}, /* M57SLI-S4 */ {0x10de, 0x0361, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0362, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0363, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */ @@ -535,19 +513,18 @@ static FLASH_ENABLE enables[] = { {0x10de, 0x0365, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0366, "NVIDIA MCP55", enable_flash_mcp55}, /* LPC */ {0x10de, 0x0367, "NVIDIA MCP55", enable_flash_mcp55}, /* Pro */ - - {0x1002, 0x4377, "ATI SB400", enable_flash_sb400}, /* ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80) */ - + {0x1002, 0x4377, "ATI SB400", enable_flash_sb400}, {0x1166, 0x0205, "Broadcom HT-1000", enable_flash_ht1000}, }; int chipset_flash_enable(void) { struct pci_dev *dev = 0; - int ret = -2; /* nothing! */ + int ret = -2; /* Nothing! */ int i; - /* now let's try to find the chipset we have ... */ + /* Now let's try to find the chipset we have... */ + /* TODO: Use ARRAY_SIZE. */ for (i = 0; i < sizeof(enables) / sizeof(enables[0]); i++) { dev = pci_dev_find(enables[i].vendor, enables[i].device); if (dev) @@ -31,7 +31,7 @@ #include <stdio.h> struct flashchip { - char *name; + const char *name; int manufacture_id; int model_id; @@ -43,18 +43,18 @@ struct flashchip { int (*write) (struct flashchip *flash, uint8_t *buf); int (*read) (struct flashchip *flash, uint8_t *buf); - /* some flash devices have an additional - * register space - */ + /* Some flash devices have an additional register space. */ volatile uint8_t *virtual_memory; volatile uint8_t *virtual_registers; }; extern struct flashchip flashchips[]; -/* Please keep this list sorted alphabetically by manufacturer. The first +/* + * Please keep this list sorted alphabetically by manufacturer. The first * entry of each section should be the manufacturer ID, followed by the * list of devices from that manufacturer (sorted by device IDs). + * * All LPC/FWH parts (parallel flash) have 8-bit device IDs. * All SPI parts have 16-bit device IDs. */ @@ -80,9 +80,11 @@ extern struct flashchip flashchips[]; #define EMST_ID 0x8C /* EMST / EFST */ #define EMST_F49B002UA 0x00 +/* + * EN25 chips are SPI, first byte of device ID is memory type, + * second byte of device ID is log(bitsize)-9. + */ #define EON_ID 0x1C /* EON */ -/* EN25 chips are SPI, first byte of device id is memory type, - * second byte of device id is log(bitsize)-9. */ #define EN_25B05 0x2010 /* 2^19 kbit or 2^16 kByte */ #define EN_25B10 0x2011 #define EN_25B20 0x2012 @@ -103,13 +105,15 @@ extern struct flashchip flashchips[]; #define ISSI_ID 0xD5 /* ISSI */ #define MSYSTEMS_ID 0x156F /* M-Systems */ -#define MSYSTEMS_MD2200 0xDB /* ? */ +#define MSYSTEMS_MD2200 0xDB #define MSYSTEMS_MD2800 0x30 /* hmm -- both 0x30 */ #define MSYSTEMS_MD2802 0x30 /* hmm -- both 0x30 */ +/* + * MX25 chips are SPI, first byte of device ID is memory type, + * second byte of device ID is log(bitsize)-9. + */ #define MX_ID 0xC2 /* Macronix (MX) */ -/* MX25 chips are SPI, first byte of device id is memory type, - * second byte of device id is log(bitsize)-9. */ #define MX_25L512 0x2010 /* 2^19 kbit or 2^16 kByte */ #define MX_25L1005 0x2011 #define MX_25L2005 0x2012 @@ -129,9 +133,11 @@ extern struct flashchip flashchips[]; #define SHARP_ID 0xB0 /* Sharp */ #define SHARP_LHF00L04 0xCF +/* + * SST25 chips are SPI, first byte of device ID is memory type, second + * byte of device ID is related to log(bitsize) at least for some chips. + */ #define SST_ID 0xBF /* SST */ -/* SST25 chips are SPI, first byte of device id is memory type, second - * byte of device id is related to log(bitsize) at least for some chips. */ #define SST_25WF512 0x2501 #define SST_25WF010 0x2502 #define SST_25WF020 0x2503 @@ -196,22 +202,23 @@ extern struct flashchip flashchips[]; #define W_49V002A 0xB0 #define W_49V002FA 0x32 -/* function prototypes from udelay.h */ - +/* udelay.c */ void myusec_delay(int time); void myusec_calibrate_delay(); -/* pci handling for board/chipset_enable */ -struct pci_access *pacc; /* For board and chipset_enable */ +/* PCI handling for board/chipset_enable */ +struct pci_access *pacc; struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device); struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device, uint16_t card_vendor, uint16_t card_device); -int board_flash_enable(char *vendor, char *part); /* board_enable.c */ -int chipset_flash_enable(void); /* chipset_enable.c */ +/* board_enable.c */ +int board_flash_enable(const char *vendor, const char *part); -/* physical memory mapping device */ +/* chipset_enable.c */ +int chipset_flash_enable(void); +/* Physical memory mapping device */ #if defined (__sun) && (defined(__i386) || defined(__amd64)) # define MEM_DEV "/dev/xsvc" #else |
