diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/via/epia/Config.lb | 117 | ||||
| -rw-r--r-- | src/mainboard/via/epia/Options.lb | 19 | ||||
| -rw-r--r-- | src/mainboard/via/epia/auto.c | 24 | ||||
| -rw-r--r-- | src/northbridge/via/vt8601/northbridge.c | 4 | ||||
| -rw-r--r-- | src/northbridge/via/vt8601/raminit.c | 213 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/Config.lb | 8 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/chip.h | 10 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231.c | 450 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231_acpi.c | 44 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231_early_smbus.c | 260 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231_ide.c | 108 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231_lpc.c | 154 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231_nic.c | 37 | ||||
| -rw-r--r-- | src/southbridge/via/vt8231/vt8231_usb.c | 52 |
14 files changed, 762 insertions, 738 deletions
diff --git a/src/mainboard/via/epia/Config.lb b/src/mainboard/via/epia/Config.lb index 448d86fb09..96c543a1ec 100644 --- a/src/mainboard/via/epia/Config.lb +++ b/src/mainboard/via/epia/Config.lb @@ -125,61 +125,64 @@ dir /pc80 config chip.h chip northbridge/via/vt8601 - device pci_domain 0 on - device pci 0.0 on - chip southbridge/via/vt8231 - register "enable_usb" = "0" - register "enable_native_ide" = "0" - register "enable_com_ports" = "1" - register "enable_keyboard" = "0" - register "enable_nvram" = "1" - device pci 11.0 on # Southbridge - device pci 11.1 on end # Ide - device pci 11.2 off end # Usb - device pci 11.3 off end # Usb - device pci 11.4 off end # ACPI - device pci 11.5 off end # Audio - device pci 11.6 on # Com - chip superio/winbond/w83627hf - device pnp 2e.0 on # Floppy - io 0x60 = 0x3f0 - irq 0x70 = 6 - drq 0x74 = 2 - end - device pnp 2e.1 off # Parallel Port - io 0x60 = 0x378 - irq 0x70 = 7 - end - device pnp 2e.2 on # Com1 - io 0x60 = 0x3f8 - irq 0x70 = 4 - end - device pnp 2e.3 off # Com2 - io 0x60 = 0x2f8 - irq 0x70 = 3 - end - device pnp 2e.5 on # Keyboard - io 0x60 = 0x60 - io 0x62 = 0x64 - irq 0x70 = 1 - irq 0x72 = 12 - end - device pnp 2e.6 off end # CIR - device pnp 2e.7 off end # GAME_MIDI_GIPO1 - device pnp 2e.8 off end # GPIO2 - device pnp 2e.9 off end # GPIO3 - device pnp 2e.a off end # ACPI - device pnp 2e.b on # HW Monitor - io 0x60 = 0x290 - end - register "com1" = "{1}" - end - end - device pci 12.0 on end # Ethernet - end - end - end - end - chip cpu/via/model_centaur - end + device pci_domain 0 on + device pci 0.0 on end # Northbridge + device pci 0.1 on # AGP bridge + # chip drivers/pci/onboard # Integrated VGA + # device pci 0.0 on end + # register "rom_adress" = "0xfff80000" + # end + end + chip southbridge/via/vt8231 + register "enable_native_ide" = "0" + register "enable_com_ports" = "1" + register "enable_keyboard" = "0" + device pci 11.0 on # Southbrdge + chip superio/winbond/w83627hf + device pnp 2e.0 on # Floppy + io 0x60 = 0x3f0 + irq 0x70 = 6 + drq 0x74 = 2 + end + device pnp 2e.1 off # Parallel Port + io 0x60 = 0x378 + irq 0x70 = 7 + end + device pnp 2e.2 on # Com1 + io 0x60 = 0x3f8 + irq 0x70 = 4 + end + device pnp 2e.3 off # Com2 + io 0x60 = 0x2f8 + irq 0x70 = 3 + end + device pnp 2e.5 on # Keyboard + io 0x60 = 0x60 + io 0x62 = 0x64 + irq 0x70 = 1 + irq 0x72 = 12 + end + register "com1" = "{1}" + end + device pnp 2e.6 off end # CIR + device pnp 2e.7 off end # GAME_MIDI_GIPO1 + device pnp 2e.8 off end # GPIO2 + device pnp 2e.9 off end # GPIO3 + device pnp 2e.a off end # ACPI + device pnp 2e.b on # HW Monitor + io 0x60 = 0x290 + end + end + device pci 11.1 on end # Ide + device pci 11.2 off end # Usb port 0-1 + device pci 11.3 off end # Usb port 2-3 + device pci 11.4 off end # ACPI + device pci 11.5 off end # AC97 Audio + device pci 11.6 on end # AC97 Modem + device pci 12.0 on end # Ethernet + end + end + + chip cpu/via/model_centaur + end end diff --git a/src/mainboard/via/epia/Options.lb b/src/mainboard/via/epia/Options.lb index d8d3490dd0..259acfbc24 100644 --- a/src/mainboard/via/epia/Options.lb +++ b/src/mainboard/via/epia/Options.lb @@ -1,3 +1,10 @@ +uses MAXIMUM_CONSOLE_LOGLEVEL +uses DEFAULT_CONSOLE_LOGLEVEL +uses CONFIG_CONSOLE_SERIAL8250 +uses TTYS0_BAUD +uses TTYS0_BASE +uses TTYS0_LCS +uses CONFIG_CHIP_NAME uses HAVE_MP_TABLE uses HAVE_PIRQ_TABLE uses USE_FALLBACK_IMAGE @@ -40,6 +47,18 @@ uses MAXIMUM_CONSOLE_LOGLEVEL uses DEFAULT_CONSOLE_LOGLEVEL uses MAXIMUM_CONSOLE_LOGLEVEL +default CONFIG_CONSOLE_SERIAL8250=1 +## Select the serial console baud rate +default TTYS0_BAUD=19200 + +# Select the serial console base port +default TTYS0_BASE=0x3f8 + +# Select the serial protocol +# This defaults to 8 data bits, 1 stop bit, and no parity +default TTYS0_LCS=0x3 + +default CONFIG_CHIP_NAME=1 ## ROM_SIZE is the size of boot ROM that this board will use. default ROM_SIZE = 256*1024 diff --git a/src/mainboard/via/epia/auto.c b/src/mainboard/via/epia/auto.c index 6c8ea903ee..9e12f52a7c 100644 --- a/src/mainboard/via/epia/auto.c +++ b/src/mainboard/via/epia/auto.c @@ -2,9 +2,6 @@ #include <stdint.h> #include <device/pci_def.h> -#if 0 -#include <cpu/x86/lapic.h> -#endif #include <arch/io.h> #include <device/pnp_def.h> #include <arch/romcc_io.h> @@ -21,7 +18,7 @@ void udelay(int usecs) { int i; - for(i = 0; i < usecs; i++) + for (i = 0; i < usecs; i++) outb(i&0xff, 0x80); } @@ -30,18 +27,8 @@ void udelay(int usecs) #include "debug.c" #include "southbridge/via/vt8231/vt8231_early_smbus.c" - - #include "southbridge/via/vt8231/vt8231_early_serial.c" -static void memreset_setup(void) -{ -} -/* - static void memreset(int controllers, const struct mem_controller *ctrl) - { - } -*/ static inline int spd_read_byte(unsigned device, unsigned address) { unsigned char c; @@ -49,8 +36,6 @@ static inline int spd_read_byte(unsigned device, unsigned address) return c; } - - #include "northbridge/via/vt8601/raminit.c" /* #include "sdram/generic_sdram.c" @@ -66,6 +51,7 @@ static void enable_mainboard_devices(void) if (dev == PCI_DEV_INVALID) { die("Southbridge not found!!!\n"); } + pci_write_config8(dev, 0x50, 7); pci_write_config8(dev, 0x51, 0xff); #if 0 @@ -87,9 +73,9 @@ static void enable_mainboard_devices(void) static void enable_shadow_ram(void) { - device_t dev = 0; /* no need to look up 0:0.0 */ + device_t dev = 0; unsigned char shadowreg; - /* dev 0 for southbridge */ + shadowreg = pci_read_config8(dev, 0x63); /* 0xf0000-0xfffff */ shadowreg |= 0x30; @@ -113,8 +99,8 @@ static void main(unsigned long bist) enable_mainboard_devices(); enable_smbus(); enable_shadow_ram(); + /* - memreset_setup(); this is way more generic than we need. sdram_initialize(sizeof(cpu)/sizeof(cpu[0]), cpu); */ diff --git a/src/northbridge/via/vt8601/northbridge.c b/src/northbridge/via/vt8601/northbridge.c index b578a975e4..cf8e82907c 100644 --- a/src/northbridge/via/vt8601/northbridge.c +++ b/src/northbridge/via/vt8601/northbridge.c @@ -29,8 +29,6 @@ static void northbridge_init(device_t dev) pci_write_config8(dev, 0x76, 0x52); } - - static struct device_operations northbridge_operations = { .read_resources = pci_dev_read_resources, .set_resources = pci_dev_set_resources, @@ -46,8 +44,6 @@ static struct pci_driver northbridge_driver __pci_driver = { .device = 0x0601, /* 0x8601 is the AGP bridge? */ }; - - #define BRIDGE_IO_MASK (IORESOURCE_IO | IORESOURCE_MEM) static void pci_domain_read_resources(device_t dev) diff --git a/src/northbridge/via/vt8601/raminit.c b/src/northbridge/via/vt8601/raminit.c index 71ac010156..1aa58224f7 100644 --- a/src/northbridge/via/vt8601/raminit.c +++ b/src/northbridge/via/vt8601/raminit.c @@ -47,32 +47,30 @@ it with the version available from LANL. #define DIMM_CL2 0 #endif -void dimms_read(unsigned long x) +void dimms_read(unsigned long x) { uint8_t c; - unsigned long eax; + unsigned long eax; volatile unsigned long y; - eax = x; - for(c = 0; c < 6; c++) { - y = * (volatile unsigned long *) eax; + eax = x; + for (c = 0; c < 6; c++) { + y = *(volatile unsigned long *) eax; eax += 0x10000000; } } -void dimms_write(int x) +void dimms_write(int x) { uint8_t c; unsigned long eax = x; - for(c = 0; c < 6; c++) { + for (c = 0; c < 6; c++) { *(volatile unsigned long *) eax = 0; eax += 0x10000000; } } - - #ifdef DEBUG_SETNORTHB -void setnorthb(device_t north, uint8_t reg, uint8_t val) +void setnorthb(device_t north, uint8_t reg, uint8_t val) { print_debug("setnorth: reg "); print_debug_hex8(reg); @@ -85,108 +83,108 @@ void setnorthb(device_t north, uint8_t reg, uint8_t val) #define setnorthb pci_write_config8 #endif -void -dumpnorth(device_t north) +void dumpnorth(device_t north) { unsigned int r, c; - for(r = 0; ; r += 16) { + for (r = 0;; r += 16) { print_debug_hex8(r); print_debug(":"); - for(c = 0; c < 16; c++) { - print_debug_hex8(pci_read_config8(north, r+c)); + for (c = 0; c < 16; c++) { + print_debug_hex8(pci_read_config8(north, r + c)); print_debug(" "); } print_debug("\r\n"); if (r >= 240) break; - } + } } -static void sdram_set_registers(const struct mem_controller *ctrl) +static void sdram_set_registers(const struct mem_controller *ctrl) { - device_t north = (device_t) 0; + device_t north = (device_t) PCI_DEV(0, 0, 0); uint8_t c, r; print_err("vt8601 init starting\r\n"); - north = pci_locate_device(PCI_ID(0x1106, 0x8601), 0); - north = 0; print_debug_hex32(north); print_debug(" is the north\n"); print_debug_hex16(pci_read_config16(north, 0)); print_debug(" "); print_debug_hex16(pci_read_config16(north, 2)); print_debug("\r\n"); - + /* All we are doing now is setting initial known-good values that will * be revised later as we read SPD - */ + */ + // memory clk enable. We are not using ECC - pci_write_config8(north,0x78, 0x01); + pci_write_config8(north, 0x78, 0x01); print_debug_hex8(pci_read_config8(north, 0x78)); + // dram control, see the book. #if DIMM_PC133 - pci_write_config8(north,0x68, 0x52); + pci_write_config8(north, 0x68, 0x52); #else - pci_write_config8(north,0x68, 0x42); + pci_write_config8(north, 0x68, 0x42); #endif + // dram control, see the book. - pci_write_config8(north,0x6B, 0x0c); + pci_write_config8(north, 0x6B, 0x0c); + // Initial setting, 256MB in each bank, will be rewritten later. - pci_write_config8(north,0x5A, 0x20); + pci_write_config8(north, 0x5A, 0x20); print_debug_hex8(pci_read_config8(north, 0x5a)); - pci_write_config8(north,0x5B, 0x40); - pci_write_config8(north,0x5C, 0x60); - pci_write_config8(north,0x5D, 0x80); - pci_write_config8(north,0x5E, 0xA0); - pci_write_config8(north,0x5F, 0xC0); + pci_write_config8(north, 0x5B, 0x40); + pci_write_config8(north, 0x5C, 0x60); + pci_write_config8(north, 0x5D, 0x80); + pci_write_config8(north, 0x5E, 0xA0); + pci_write_config8(north, 0x5F, 0xC0); // It seems we have to take care of these 2 registers as if // they are bank 6 and 7. - pci_write_config8(north,0x56, 0xC0); - pci_write_config8(north,0x57, 0xC0); - + pci_write_config8(north, 0x56, 0xC0); + pci_write_config8(north, 0x57, 0xC0); + // SDRAM in all banks - pci_write_config8(north,0x60, 0x3F); + pci_write_config8(north, 0x60, 0x3F); + // DRAM timing. I'm suspicious of this // This is for all banks, 64 is 0,1. 65 is 2,3. 66 is 4,5. // ras precharge 4T, RAS pulse 5T // cas2 is 0xd6, cas3 is 0xe6 // we're also backing off write pulse width to 2T, so result is 0xee #if DIMM_CL2 - pci_write_config8(north,0x64, 0xd4); - pci_write_config8(north,0x65, 0xd4); - pci_write_config8(north,0x66, 0xd4); -#else // CL=3 - pci_write_config8(north,0x64, 0xe4); - pci_write_config8(north,0x65, 0xe4); - pci_write_config8(north,0x66, 0xe4); + pci_write_config8(north, 0x64, 0xd4); + pci_write_config8(north, 0x65, 0xd4); + pci_write_config8(north, 0x66, 0xd4); +#else // CL=3 + pci_write_config8(north, 0x64, 0xe4); + pci_write_config8(north, 0x65, 0xe4); + pci_write_config8(north, 0x66, 0xe4); #endif // dram frequency select. // enable 4K pages for 64M dram. #if DIMM_PC133 - pci_write_config8(north,0x69, 0x3c); + pci_write_config8(north, 0x69, 0x3c); #else - pci_write_config8(north,0x69, 0xac); + pci_write_config8(north, 0x69, 0xac); #endif /* IMPORTANT -- disable refresh counter */ // refresh counter, disabled. - pci_write_config8(north,0x6A, 0x00); - + pci_write_config8(north, 0x6A, 0x00); // clkenable configuration. kevinh FIXME - add precharge - pci_write_config8(north,0x6C, 0x00); + pci_write_config8(north, 0x6C, 0x00); // dram read latch delay of 1 ns, MD drive 8 mA, - // high drive strength on MA[2: 13], we#, cas#, ras# + // high drive strength on MA[2: 13], we#, cas#, ras# // As per Cindy Lee, set to 0x37, not 0x57 - pci_write_config8(north,0x6D, 0x7f); + pci_write_config8(north, 0x6D, 0x7f); } /* slot is the dram slot. Return size of side0 in lower 16-bit, * side1 in upper 16-bit, in units of 8MB */ -static unsigned long -spd_module_size(unsigned char slot) -{ +static unsigned long spd_module_size(unsigned char slot) +{ /* for all the DRAMS, see if they are there and get the size of each * module. This is just a very early first cut at sizing. */ @@ -195,21 +193,24 @@ spd_module_size(unsigned char slot) unsigned int value = 0; /* unsigned int module = ((0x50 + slot) << 1) + 1; */ unsigned int module = 0x50 + slot; + /* is the module there? if byte 2 is not 4, then we'll assume it * is useless. */ - print_info("Slot "); - print_info_hex8(slot); + print_info("Slot "); + print_info_hex8(slot); if (smbus_read_byte(module, 2) != 4) { print_info(" is empty\r\n"); return 0; } print_info(" is SDRAM "); - + banks = smbus_read_byte(module, 17); + /* we're going to assume symmetric banks. Sorry. */ - cols = smbus_read_byte(module, 4) & 0xf; - rows = smbus_read_byte(module, 3) & 0xf; + cols = smbus_read_byte(module, 4) & 0xf; + rows = smbus_read_byte(module, 3) & 0xf; + /* grand total. You have rows+cols addressing, * times of banks, times * width of data in bytes */ /* Width is assumed to be 64 bits == 8 bytes */ @@ -229,10 +230,8 @@ spd_module_size(unsigned char slot) } -static int -spd_num_chips(unsigned char slot) -{ -/* unsigned int module = ((0x50 + slot) << 1) + 1; */ +static int spd_num_chips(unsigned char slot) +{ unsigned int module = 0x50 + slot; unsigned int width; @@ -249,20 +248,21 @@ static void sdram_set_spd_registers(const struct mem_controller *ctrl) unsigned char timing = 0xe4; /* read Trp */ val = smbus_read_byte(0x50, 27); - if (val < 2*T133) + if (val < 2 * T133) Trp = 1; val = smbus_read_byte(0x50, 30); - if (val < 5*T133) + if (val < 5 * T133) Tras = 0; val = smbus_read_byte(0x50, 18); if (val < 8) casl = 1; if (val < 4) casl = 0; - + val = (Trp << 7) | (Tras << 6) | (casl << 4) | 4; - - print_debug_hex8(val); print_debug(" is the computed timing\n"); + + print_debug_hex8(val); + print_debug(" is the computed timing\n"); /* don't set it. Experience shows that this screwy chipset should just * be run with the most conservative timing. * pci_write_config8(0, 0x64, val); @@ -271,23 +271,23 @@ static void sdram_set_spd_registers(const struct mem_controller *ctrl) static void set_ma_mapping(device_t north, int slot, int type) { - unsigned char reg, val; - int shift; - - reg = 0x58 + slot/2; - if (slot%2 >= 1) - shift = 0; - else - shift = 4; - - val = pci_read_config8(north, reg); - val &= ~(0xf << shift); - val |= type << shift; - pci_write_config8(north, reg, val); + unsigned char reg, val; + int shift; + + reg = 0x58 + slot / 2; + if (slot % 2 >= 1) + shift = 0; + else + shift = 4; + + val = pci_read_config8(north, reg); + val &= ~(0xf << shift); + val |= type << shift; + pci_write_config8(north, reg, val); } -static void sdram_enable(int controllers, const struct mem_controller *ctrl) +static void sdram_enable(int controllers, const struct mem_controller *ctrl) { unsigned char i; static const uint8_t ramregs[] = { @@ -295,29 +295,30 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) }; device_t north = 0; uint32_t size, base, slot, ma; - /* begin to initialize*/ + /* begin to initialize */ + // I forget why we need this, but we do dimms_write(0xa55a5aa5); - - /* set NOP*/ - pci_write_config8(north,0x6C, 0x01); + + /* set NOP */ + pci_write_config8(north, 0x6C, 0x01); print_debug("NOP\r\n"); - /* wait 200us*/ + /* wait 200us */ // You need to do the memory reference. That causes the nop cycle. dimms_read(0); udelay(400); print_debug("PRECHARGE\r\n"); /* set precharge */ - pci_write_config8(north,0x6C, 0x02); + pci_write_config8(north, 0x6C, 0x02); print_debug("DUMMY READS\r\n"); - /* dummy reads*/ + /* dummy reads */ dimms_read(0); udelay(200); print_debug("CBR\r\n"); - /* set CBR*/ - pci_write_config8(north,0x6C, 0x04); - - /* do 8 reads and wait >100us between each - from via*/ + /* set CBR */ + pci_write_config8(north, 0x6C, 0x04); + + /* do 8 reads and wait >100us between each - from via */ dimms_read(0); udelay(200); dimms_read(0); @@ -335,43 +336,43 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) dimms_read(0); udelay(200); print_debug("MRS\r\n"); - /* set MRS*/ - pci_write_config8(north,0x6c, 0x03); + /* set MRS */ + pci_write_config8(north, 0x6c, 0x03); #if DIMM_CL2 dimms_read(0x150); -#else // CL=3 +#else // CL=3 dimms_read(0x1d0); #endif udelay(200); print_debug("NORMAL\r\n"); /* set to normal mode */ - pci_write_config8(north,0x6C, 0x08); - + pci_write_config8(north, 0x6C, 0x08); + dimms_write(0x55aa55aa); dimms_read(0); udelay(200); print_debug("set ref. rate\r\n"); // Set the refresh rate. #if DIMM_PC133 - pci_write_config8(north,0x6A, 0x86); + pci_write_config8(north, 0x6A, 0x86); #else - pci_write_config8(north,0x6A, 0x65); + pci_write_config8(north, 0x6A, 0x65); #endif print_debug("enable multi-page open\r\n"); // enable multi-page open - pci_write_config8(north,0x6B, 0x0d); - + pci_write_config8(north, 0x6B, 0x0d); + base = 0; - for(slot = 0; slot < 4; slot++) { + for (slot = 0; slot < 4; slot++) { size = spd_module_size(slot); /* side 0 */ base += size & 0xffff; - pci_write_config8(north, ramregs[2*slot], base); + pci_write_config8(north, ramregs[2 * slot], base); /* side 1 */ base += size >> 16; if (base > 0xff) base = 0xff; - pci_write_config8(north, ramregs[2*slot + 1], base); + pci_write_config8(north, ramregs[2 * slot + 1], base); if (!size) continue; @@ -379,13 +380,13 @@ static void sdram_enable(int controllers, const struct mem_controller *ctrl) /* Calculate the value of MA mapping type register, * based on size of SDRAM chips. */ size = (size & 0xffff) << (3 + 3); - /* convert module size to be in Mbits */ + /* convert module size to be in Mbits */ size /= spd_num_chips(slot); print_debug_hex16(size); print_debug(" is the chip size\r\n"); if (size < 64) ma = 0; - if (size < 256) + else if (size < 256) ma = 8; else ma = 0xe; diff --git a/src/southbridge/via/vt8231/Config.lb b/src/southbridge/via/vt8231/Config.lb index b0b2ef5abf..46b4e26129 100644 --- a/src/southbridge/via/vt8231/Config.lb +++ b/src/southbridge/via/vt8231/Config.lb @@ -1,2 +1,8 @@ config chip.h -object vt8231.o +driver vt8231.o +driver vt8231_lpc.o +driver vt8231_acpi.o +driver vt8231_ide.o +driver vt8231_nic.o +#driver vt8231_usb.o + diff --git a/src/southbridge/via/vt8231/chip.h b/src/southbridge/via/vt8231/chip.h index bc1e445f26..fef4e2913b 100644 --- a/src/southbridge/via/vt8231/chip.h +++ b/src/southbridge/via/vt8231/chip.h @@ -4,18 +4,10 @@ extern struct chip_operations southbridge_via_vt8231_ops; struct southbridge_via_vt8231_config { - /* PCI function enables */ - /* i.e. so that pci scan bus will find them. */ - /* I am putting in IDE as an example but obviously this needs - * to be more complete! - */ - int enable_ide; - /* enables of functions of devices */ - int enable_usb; + /* enables of Non-PCI devices */ int enable_native_ide; int enable_com_ports; int enable_keyboard; - int enable_nvram; }; #endif /* _SOUTHBRIDGE_VIA_VT8231 */ diff --git a/src/southbridge/via/vt8231/vt8231.c b/src/southbridge/via/vt8231/vt8231.c index d78bb2cf86..514d0c0626 100644 --- a/src/southbridge/via/vt8231/vt8231.c +++ b/src/southbridge/via/vt8231/vt8231.c @@ -1,441 +1,73 @@ - -#include <arch/io.h> +#include <console/console.h> #include <device/device.h> #include <device/pci.h> #include <device/pci_ops.h> #include <device/pci_ids.h> -#include <console/console.h> + +#include <pc80/mc146818rtc.h> +#include <pc80/keyboard.h> + #include "vt8231.h" #include "chip.h" -void pc_keyboard_init(void); +/* Base 8231 controller */ +static device_t lpc_dev; -void hard_reset(void) +void hard_reset(void) { - printk_err("NO HARD RESET ON VT8231! FIX ME!\n"); -} - -static void usb_on(int enable) -{ - unsigned char regval; - - /* Base 8231 controller */ - device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0); - /* USB controller 1 */ - device_t dev2 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, 0); - /* USB controller 2 */ - device_t dev3 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, dev2); - - /* enable USB1 */ - if(dev2) { - if (enable) { - pci_write_config8(dev2, 0x3c, 0x05); - pci_write_config8(dev2, 0x04, 0x07); - } else { - pci_write_config8(dev2, 0x3c, 0x00); - pci_write_config8(dev2, 0x04, 0x00); - } - } - - if(dev0) { - regval = pci_read_config8(dev0, 0x50); - if (enable) - regval &= ~(0x10); - else - regval |= 0x10; - pci_write_config8(dev0, 0x50, regval); - } - - /* enable USB2 */ - if(dev3) { - if (enable) { - pci_write_config8(dev3, 0x3c, 0x05); - pci_write_config8(dev3, 0x04, 0x07); - } else { - pci_write_config8(dev3, 0x3c, 0x00); - pci_write_config8(dev3, 0x04, 0x00); - } - } - - if(dev0) { - regval = pci_read_config8(dev0, 0x50); - if (enable) - regval &= ~(0x20); - else - regval |= 0x20; - pci_write_config8(dev0, 0x50, regval); - } + printk_err("NO HARD RESET ON VT8231! FIX ME!\n"); } static void keyboard_on(void) { unsigned char regval; - - /* Base 8231 controller */ - device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0); - - /* kevinh/Ispiri - update entire function to use - new pci_write_config8 */ - if (dev0) { - regval = pci_read_config8(dev0, 0x51); + if (lpc_dev) { + regval = pci_read_config8(lpc_dev, 0x51); regval |= 0x0f; - pci_write_config8(dev0, 0x51, regval); + pci_write_config8(lpc_dev, 0x51, regval); } init_pc_keyboard(0x60, 0x64, 0); } -static void nvram_on(void) +static void com_port_on(void) { - /* - * the VIA 8231 South has a very different nvram setup than the - * piix4e ... - * turn on ProMedia nvram. - * TO DO: use the PciWriteByte function here. - */ - - /* - * kevinh/Ispiri - I don't think this is the correct address/value - * intel_conf_writeb(0x80008841, 0xFF); +#if 0 + // enable com1 and com2. + enables = pci_read_config8(dev, 0x6e); + + /* 0x80 is enable com port b, 0x10 is to make it com2, 0x8 + * is enable com port a as com1 kevinh/Ispiri - Old code + * thought 0x01 would make it com1, that was wrong enables = + * 0x80 | 0x10 | 0x8 ; pci_write_config8(dev, 0x6e, + * enables); // note: this is also a redo of some port of + * assembly, but we want everything up. */ -} - -/* - * Enable the ethernet device and turn off stepping (because it is integrated - * inside the southbridge) - */ -static void ethernet_fixup() -{ - device_t edev; - uint8_t byte; - - printk_info("Ethernet fixup\n"); - - edev = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8233_7, 0); - if (edev) { - printk_debug("Configuring VIA LAN\n"); - - /* We don't need stepping - though the device supports it */ - byte = pci_read_config8(edev, PCI_COMMAND); - byte &= ~PCI_COMMAND_WAIT; - pci_write_config8(edev, PCI_COMMAND, byte); - } else { - printk_debug("VIA LAN not found\n"); - } -} - - -/* we need to do things in this function so that PCI scan will find - * them. One problem here is that we can't use ANY of the new device - * stuff. This work here precedes all that. - * Fundamental problem with linuxbios V2 architecture. - * You can't do pci control in the C code without having done a PCI scan. - * But in some cases you need to to pci control in the c code before doing - * a PCI scan. But you can't use arch/romcc_io.h (the code you need) because - * that has functions with the same name but different type signatures - * (e.g. device_t). This needs to get fixed. We need low-level pci scans - * in the C code. - */ -static void vt8231_pci_enable(struct southbridge_via_vt8231_config *conf) -{ - /* - unsigned long busdevfn = 0x8000; - if (conf->enable_ide) { - printk_debug("%s: enabling IDE function\n", __FUNCTION__); - } - */ -} - -/* PIRQ init - */ -void pci_assign_irqs(unsigned bus, unsigned slot, const unsigned char pIntAtoD[4]); - - -static const unsigned char southbridgeIrqs[4] = { 11, 5, 10, 12 }; -static const unsigned char enetIrqs[4] = { 11, 5, 10, 12 }; -static const unsigned char slotIrqs[4] = { 5, 10, 12, 11 }; - -/* - Our IDSEL mappings are as follows - PCI slot is AD31 (device 15) (00:14.0) - Southbridge is AD28 (device 12) (00:11.0) -*/ -static void pci_routing_fixup(struct device *dev) -{ - - printk_info("%s: dev is %p\n", __FUNCTION__, dev); - if (dev) { - /* initialize PCI interupts - these assignments depend - on the PCB routing of PINTA-D - - PINTA = IRQ11 - PINTB = IRQ5 - PINTC = IRQ10 - PINTD = IRQ12 - */ - pci_write_config8(dev, 0x55, 0xb0); - pci_write_config8(dev, 0x56, 0xa5); - pci_write_config8(dev, 0x57, 0xc0); - } - - // Standard southbridge components - printk_info("setting southbridge\n"); - pci_assign_irqs(0, 0x11, southbridgeIrqs); - - // Ethernet built into southbridge - printk_info("setting ethernet\n"); - pci_assign_irqs(0, 0x12, enetIrqs); - - // PCI slot - printk_info("setting pci slot\n"); - pci_assign_irqs(0, 0x14, slotIrqs); - printk_info("%s: DONE\n", __FUNCTION__); -} - - -void -dump_south(void) -{ - device_t dev0; - dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0); - int i,j; - - for(i = 0; i < 256; i += 16) { - printk_debug("0x%x: ", i); - for(j = 0; j < 16; j++) { - printk_debug("%02x ", pci_read_config8(dev0, i+j)); - } - printk_debug("\n"); - } + /* set com1 to 115 kbaud not clear how to do this yet. + * forget it; done in assembly. + */ +#endif } -static void vt8231_init(struct southbridge_via_vt8231_config *conf) +/* FixME: to be removed ? */ +static void vt8231_enable(struct device *dev) { - unsigned char enables; - device_t dev0; - device_t dev1; - device_t devpwr; - - // to do: use the pcibios_find function here, instead of - // hard coding the devfn. - // done - kevinh/Ispiri - printk_debug("vt8231 init\n"); - /* Base 8231 controller */ - dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0); - /* IDE controller */ - dev1 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, 0); - /* Power management controller */ - devpwr = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231_4, 0); - - // enable the internal I/O decode - enables = pci_read_config8(dev0, 0x6C); - enables |= 0x80; - pci_write_config8(dev0, 0x6C, enables); - - // Map 4MB of FLASH into the address space - pci_write_config8(dev0, 0x41, 0x7f); - - // Set bit 6 of 0x40, because Award does it (IO recovery time) - // IMPORTANT FIX - EISA 0x4d0 decoding must be on so that PCI - // interrupts can be properly marked as level triggered. - enables = pci_read_config8(dev0, 0x40); - pci_write_config8(dev0, 0x40, enables); - - // Set 0x42 to 0xf0 to match Award bios - enables = pci_read_config8(dev0, 0x42); - enables |= 0xf0; - pci_write_config8(dev0, 0x42, enables); - - // Set bit 3 of 0x4a, to match award (dummy pci request) - enables = pci_read_config8(dev0, 0x4a); - enables |= 0x08; - pci_write_config8(dev0, 0x4a, enables); - - // Set bit 3 of 0x4f to match award (use INIT# as cpu reset) - enables = pci_read_config8(dev0, 0x4f); - enables |= 0x08; - pci_write_config8(dev0, 0x4f, enables); - - // Set 0x58 to 0x03 to match Award - pci_write_config8(dev0, 0x58, 0x03); - - // enable the ethernet/RTC - if(dev0) { - enables = pci_read_config8(dev0, 0x51); - enables |= 0x18; - pci_write_config8(dev0, 0x51, enables); + struct southbridge_via_vt8231_config *conf = dev->chip_info; + + if (!lpc_dev) { + /* the first time called, enable devices not on PCI bus + * FIXME: is that device struct there yet? */ + lpc_dev = dev_find_device(PCI_VENDOR_ID_VIA, + PCI_DEVICE_ID_VIA_8231, 0); + if (conf->enable_keyboard) + keyboard_on(); + if (conf->enable_com_ports) + com_port_on(); } - - - // enable com1 and com2. - if (conf->enable_com_ports) { - enables = pci_read_config8(dev0, 0x6e); - - /* 0x80 is enable com port b, 0x10 is to make it com2, 0x8 - * is enable com port a as com1 kevinh/Ispiri - Old code - * thought 0x01 would make it com1, that was wrong enables = - * 0x80 | 0x10 | 0x8 ; pci_write_config8(dev0, 0x6e, - * enables); // note: this is also a redo of some port of - * assembly, but we want everything up. - */ - - /* set com1 to 115 kbaud not clear how to do this yet. - * forget it; done in assembly. - */ - - } - // enable IDE, since Linux won't do it. - // First do some more things to devfn (17,0) - // note: this should already be cleared, according to the book. - enables = pci_read_config8(dev0, 0x50); - printk_debug("IDE enable in reg. 50 is 0x%x\n", enables); - enables &= ~8; // need manifest constant here! - printk_debug("set IDE reg. 50 to 0x%x\n", enables); - pci_write_config8(dev0, 0x50, enables); - - // set default interrupt values (IDE) - enables = pci_read_config8(dev0, 0x4c); - printk_debug("IRQs in reg. 4c are 0x%x\n", enables & 0xf); - // clear out whatever was there. - enables &= ~0xf; - enables |= 4; - printk_debug("setting reg. 4c to 0x%x\n", enables); - pci_write_config8(dev0, 0x4c, enables); - - // set up the serial port interrupts. - // com2 to 3, com1 to 4 - pci_write_config8(dev0, 0x46, 0x04); - pci_write_config8(dev0, 0x47, 0x03); - pci_write_config8(dev0, 0x6e, 0x98); - // - // Power management setup - // - // Set ACPI base address to IO 0x4000 - pci_write_config32(devpwr, 0x48, 0x4001); - - // Enable ACPI access (and setup like award) - pci_write_config8(devpwr, 0x41, 0x84); - - // Set hardware monitor base address to IO 0x6000 - pci_write_config32(devpwr, 0x70, 0x6001); - - // Enable hardware monitor (and setup like award) - pci_write_config8(devpwr, 0x74, 0x01); - - // set IO base address to 0x5000 - pci_write_config32(devpwr, 0x90, 0x5001); - - // Enable SMBus - pci_write_config8(devpwr, 0xd2, 0x01); - - // - // IDE setup - // - if (! conf->enable_native_ide) { - // Run the IDE controller in 'compatiblity mode - i.e. don't use PCI - // interrupts. Using PCI ints confuses linux for some reason. - - printk_info("%s: enabling compatibility IDE addresses\n", __FUNCTION__); - enables = pci_read_config8(dev1, 0x42); - printk_debug("enables in reg 0x42 0x%x\n", enables); - enables &= ~0xc0; // compatability mode - pci_write_config8(dev1, 0x42, enables); - enables = pci_read_config8(dev1, 0x42); - printk_debug("enables in reg 0x42 read back as 0x%x\n", enables); - } - - enables = pci_read_config8(dev1, 0x40); - printk_debug("enables in reg 0x40 0x%x\n", enables); - enables |= 3; - pci_write_config8(dev1, 0x40, enables); - enables = pci_read_config8(dev1, 0x40); - printk_debug("enables in reg 0x40 read back as 0x%x\n", enables); - - // Enable prefetch buffers - enables = pci_read_config8(dev1, 0x41); - enables |= 0xf0; - pci_write_config8(dev1, 0x41, enables); - - // Lower thresholds (cause award does it) - enables = pci_read_config8(dev1, 0x43); - enables &= ~0x0f; - enables |= 0x05; - pci_write_config8(dev1, 0x43, enables); - - // PIO read prefetch counter (cause award does it) - pci_write_config8(dev1, 0x44, 0x18); - - // Use memory read multiple - pci_write_config8(dev1, 0x45, 0x1c); - - // address decoding. - // we want "flexible", i.e. 1f0-1f7 etc. or native PCI - // kevinh@ispiri.com - the standard linux drivers seem ass slow when - // used in native mode - I've changed back to classic - enables = pci_read_config8(dev1, 0x9); - printk_debug("enables in reg 0x9 0x%x\n", enables); - // by the book, set the low-order nibble to 0xa. - if (conf->enable_native_ide) { - enables &= ~0xf; - // cf/cg silicon needs an 'f' here. - enables |= 0xf; - } else { - enables &= ~0x5; - } - - pci_write_config8(dev1, 0x9, enables); - enables = pci_read_config8(dev1, 0x9); - printk_debug("enables in reg 0x9 read back as 0x%x\n", enables); - - // standard bios sets master bit. - enables = pci_read_config8(dev1, 0x4); - printk_debug("command in reg 0x4 0x%x\n", enables); - enables |= 7; - - // No need for stepping - kevinh@ispiri.com - enables &= ~0x80; - - pci_write_config8(dev1, 0x4, enables); - enables = pci_read_config8(dev1, 0x4); - printk_debug("command in reg 0x4 reads back as 0x%x\n", enables); - - if (! conf->enable_native_ide) { - // Use compatability mode - per award bios - pci_write_config32(dev1, 0x10, 0x0); - pci_write_config32(dev1, 0x14, 0x0); - pci_write_config32(dev1, 0x18, 0x0); - pci_write_config32(dev1, 0x1c, 0x0); - - // Force interrupts to use compat mode - just like Award bios - pci_write_config8(dev1, 0x3d, 00); - pci_write_config8(dev1, 0x3c, 0xff); - } - - - /* set up isa bus -- i/o recovery time, rom write enable, extend-ale */ - pci_write_config8(dev0, 0x40, 0x54); - ethernet_fixup(); - - // Start the rtc - rtc_init(0); -} - -static void southbridge_init(struct device *dev) { - vt8231_init(dev->chip_info); - pci_routing_fixup(dev); -} - -struct device_operations vt8231_dev_ops = { - .init = &southbridge_init, -}; - -static void southbridge_enable(struct device *dev) -{ - dev->ops = &vt8231_dev_ops; } struct chip_operations southbridge_via_vt8231_ops = { CHIP_NAME("VIA vt8231") - .enable_dev = southbridge_enable, + .enable_dev = vt8231_enable, }; diff --git a/src/southbridge/via/vt8231/vt8231_acpi.c b/src/southbridge/via/vt8231/vt8231_acpi.c new file mode 100644 index 0000000000..40f47b8367 --- /dev/null +++ b/src/southbridge/via/vt8231/vt8231_acpi.c @@ -0,0 +1,44 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <device/pci_ids.h> +#include "vt8231.h" + +static void acpi_init(struct device *dev) +{ + printk_debug("Configuring VIA ACPI\n"); + + // Set ACPI base address to IO 0x4000 + pci_write_config32(dev, 0x48, 0x4001); + + // Enable ACPI access (and setup like award) + pci_write_config8(dev, 0x41, 0x84); + + // Set hardware monitor base address to IO 0x6000 + pci_write_config32(dev, 0x70, 0x6001); + + // Enable hardware monitor (and setup like award) + pci_write_config8(dev, 0x74, 0x01); + + // set IO base address to 0x5000 + pci_write_config32(dev, 0x90, 0x5001); + + // Enable SMBus + pci_write_config8(dev, 0xd2, 0x01); +} + +static struct device_operations acpi_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = acpi_init, + .enable = 0, + .ops_pci = 0, +}; + +static struct pci_driver northbridge_driver __pci_driver = { + .ops = &acpi_ops, + .vendor = PCI_VENDOR_ID_VIA, + .device = PCI_DEVICE_ID_VIA_8231_4, +}; diff --git a/src/southbridge/via/vt8231/vt8231_early_smbus.c b/src/southbridge/via/vt8231/vt8231_early_smbus.c index 056c4b5b11..dbb6e213ae 100644 --- a/src/southbridge/via/vt8231/vt8231_early_smbus.c +++ b/src/southbridge/via/vt8231/vt8231_early_smbus.c @@ -12,12 +12,12 @@ #define SMBTRNSADD 0x9 #define SMBSLVDATA 0xa #define SMLINK_PIN_CTL 0xe -#define SMBUS_PIN_CTL 0xf +#define SMBUS_PIN_CTL 0xf /* Define register settings */ #define HOST_RESET 0xff -#define DIMM_BASE 0xa0 // 1010000 is base for DIMM in SMBus -#define READ_CMD 0x01 // 1 in the 0 bit of SMBHSTADD states to READ +#define DIMM_BASE 0xa0 // 1010000 is base for DIMM in SMBus +#define READ_CMD 0x01 // 1 in the 0 bit of SMBHSTADD states to READ #define SMBUS_TIMEOUT (100*1000*10) @@ -27,29 +27,28 @@ static void enable_smbus(void) device_t dev; unsigned char c; /* Power management controller */ - dev = pci_locate_device(PCI_ID(0x1106,0x8235), 0); - + dev = pci_locate_device(PCI_ID(0x1106, 0x8235), 0); + if (dev == PCI_DEV_INVALID) { die("SMBUS controller not found\r\n"); } - // set IO base address to SMBUS_IO_BASE - pci_write_config32(dev, 0x90, SMBUS_IO_BASE|1); - + pci_write_config32(dev, 0x90, SMBUS_IO_BASE | 1); + // Enable SMBus c = pci_read_config8(dev, 0xd2); c |= 5; pci_write_config8(dev, 0xd2, c); - + /* make it work for I/O ... */ - dev = pci_locate_device(PCI_ID(0x1106,0x8231), 0); + dev = pci_locate_device(PCI_ID(0x1106, 0x8231), 0); c = pci_read_config8(dev, 4); c |= 1; pci_write_config8(dev, 4, c); print_debug_hex8(c); print_debug(" is the comm register\r\n"); - + print_debug("SMBus controller enabled\r\n"); } @@ -61,52 +60,51 @@ static inline void smbus_delay(void) static int smbus_wait_until_active(void) { - unsigned long loops; - loops = SMBUS_TIMEOUT; - do { - unsigned char val; - smbus_delay(); - val = inb(SMBUS_IO_BASE + SMBHSTSTAT); - if ((val & 1)) { - break; - } - } while(--loops); - return loops?0:-4; + unsigned long loops; + loops = SMBUS_TIMEOUT; + do { + unsigned char val; + smbus_delay(); + val = inb(SMBUS_IO_BASE + SMBHSTSTAT); + if ((val & 1)) { + break; + } + } while (--loops); + return loops ? 0 : -4; } static int smbus_wait_until_ready(void) { - unsigned long loops; - loops = SMBUS_TIMEOUT; - do { - unsigned char val; - smbus_delay(); - val = inb(SMBUS_IO_BASE + SMBHSTSTAT); - if ((val & 1) == 0) { - break; - } - if(loops == (SMBUS_TIMEOUT / 2)) { - outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), - SMBUS_IO_BASE + SMBHSTSTAT); - } - } while(--loops); - return loops?0:-2; + unsigned long loops; + loops = SMBUS_TIMEOUT; + do { + unsigned char val; + smbus_delay(); + val = inb(SMBUS_IO_BASE + SMBHSTSTAT); + if ((val & 1) == 0) { + break; + } + if (loops == (SMBUS_TIMEOUT / 2)) { + outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); + } + } while (--loops); + return loops ? 0 : -2; } static int smbus_wait_until_done(void) { - unsigned long loops; - loops = SMBUS_TIMEOUT; - do { - unsigned char val; - smbus_delay(); - - val = inb(SMBUS_IO_BASE + SMBHSTSTAT); - if ( (val & 1) == 0) { - break; - } - } while(--loops); - return loops?0:-3; + unsigned long loops; + loops = SMBUS_TIMEOUT; + do { + unsigned char val; + smbus_delay(); + + val = inb(SMBUS_IO_BASE + SMBHSTSTAT); + if ((val & 1) == 0) { + break; + } + } while (--loops); + return loops ? 0 : -3; } void smbus_reset(void) @@ -115,13 +113,13 @@ void smbus_reset(void) outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT); outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT); outb(HOST_RESET, SMBUS_IO_BASE + SMBHSTSTAT); - + smbus_wait_until_ready(); print_debug("After reset status "); - print_debug_hex8( inb(SMBUS_IO_BASE + SMBHSTSTAT)); + print_debug_hex8(inb(SMBUS_IO_BASE + SMBHSTSTAT)); print_debug("\r\n"); } - + static void smbus_print_error(unsigned char host_status_register) { @@ -152,96 +150,95 @@ static void smbus_print_error(unsigned char host_status_register) */ static int smbus_read_byte(unsigned device, unsigned address) { - unsigned char global_control_register; - unsigned char global_status_register; - unsigned char byte; - - if (smbus_wait_until_ready() < 0) { - outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); - if ( smbus_wait_until_ready() < 0 ) { - return -2; - } - } - - /* setup transaction */ - /* disable interrupts */ - outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xfe, SMBUS_IO_BASE + SMBHSTCTL); - /* set the device I'm talking too */ - outb(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBXMITADD); - /* set the command/address... */ - outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD); - /* set up for a byte data read */ - outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xe3) | (0x2<<2), SMBUS_IO_BASE + SMBHSTCTL); - - /* clear any lingering errors, so the transaction will run */ - outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); - - /* clear the data byte...*/ - outb(0, SMBUS_IO_BASE + SMBHSTDAT0); - - /* start a byte read, with interrupts disabled */ - outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL); - /* poll for it to start */ - if (smbus_wait_until_active() < 0) { - return -4; - } - - /* poll for transaction completion */ - if (smbus_wait_until_done() < 0) { - return -3; - } + unsigned char global_control_register; + unsigned char global_status_register; + unsigned char byte; + + if (smbus_wait_until_ready() < 0) { + outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); + if (smbus_wait_until_ready() < 0) { + return -2; + } + } + + /* setup transaction */ + /* disable interrupts */ + outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xfe, SMBUS_IO_BASE + SMBHSTCTL); + /* set the device I'm talking too */ + outb(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBXMITADD); + /* set the command/address... */ + outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD); + /* set up for a byte data read */ + outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xe3) | (0x2 << 2), SMBUS_IO_BASE + SMBHSTCTL); + + /* clear any lingering errors, so the transaction will run */ + outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); + + /* clear the data byte... */ + outb(0, SMBUS_IO_BASE + SMBHSTDAT0); + + /* start a byte read, with interrupts disabled */ + outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL); + /* poll for it to start */ + if (smbus_wait_until_active() < 0) { + return -4; + } + + /* poll for transaction completion */ + if (smbus_wait_until_done() < 0) { + return -3; + } /* Ignore the Host Busy & Command Complete ? */ - global_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT) & ~((1<<1)|(1<<0)); + global_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT) & ~((1 << 1) | (1 << 0)); - /* read results of transaction */ - byte = inb(SMBUS_IO_BASE + SMBHSTDAT0); + /* read results of transaction */ + byte = inb(SMBUS_IO_BASE + SMBHSTDAT0); - if (global_status_register != 0) { - return -1; - } - return byte; + if (global_status_register != 0) { + return -1; + } + return byte; } #if 0 /* SMBus routines borrowed from VIA's Trident Driver */ /* this works, so I am not going to touch it for now -- rgm */ -static unsigned char smbus_read_byte(unsigned char devAdr, - unsigned char bIndex) +static unsigned char smbus_read_byte(unsigned char devAdr, unsigned char bIndex) { unsigned int i; - unsigned char bData; - unsigned char sts = 0; - + unsigned char bData; + unsigned char sts = 0; + /* clear host status */ outb(0xff, SMBUS_IO_BASE); - + /* check SMBUS ready */ - for ( i = 0; i < SMBUS_TIMEOUT; i++ ) - if ( (inb(SMBUS_IO_BASE) & 0x01) == 0 ) + for (i = 0; i < SMBUS_TIMEOUT; i++) + if ((inb(SMBUS_IO_BASE) & 0x01) == 0) break; /* set host command */ - outb(bIndex, SMBUS_IO_BASE+3); - + outb(bIndex, SMBUS_IO_BASE + 3); + /* set slave address */ - outb(devAdr | 0x01, SMBUS_IO_BASE+4); - + outb(devAdr | 0x01, SMBUS_IO_BASE + 4); + /* start */ - outb(0x48, SMBUS_IO_BASE+2); - + outb(0x48, SMBUS_IO_BASE + 2); + /* SMBUS Wait Ready */ - for ( i = 0; i < SMBUS_TIMEOUT; i++ ) - if ( ((sts = inb(SMBUS_IO_BASE)) & 0x01) == 0 ) + for (i = 0; i < SMBUS_TIMEOUT; i++) + if (((sts = inb(SMBUS_IO_BASE)) & 0x01) == 0) break; if ((sts & ~3) != 0) { smbus_print_error(sts); return 0; } - bData=inb(SMBUS_IO_BASE+5); - + bData = inb(SMBUS_IO_BASE + 5); + return bData; - + } #endif /* for reference, here is the fancier version which we will use at some @@ -252,11 +249,11 @@ int smbus_read_byte(unsigned device, unsigned address, unsigned char *result) { unsigned char host_status_register; unsigned char byte; - + reset(); - + smbus_wait_until_ready(); - + /* setup transaction */ /* disable interrupts */ outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & (~1), SMBUS_IO_BASE + SMBHSTCTL); @@ -265,35 +262,32 @@ int smbus_read_byte(unsigned device, unsigned address, unsigned char *result) /* set the command/address... */ outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD); /* set up for a byte data read */ - outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xE3) | (0x2 << 2), - SMBUS_IO_BASE + SMBHSTCTL); - + outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xE3) | (0x2 << 2), SMBUS_IO_BASE + SMBHSTCTL); + /* clear any lingering errors, so the transaction will run */ outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); - - /* clear the data byte...*/ + + /* clear the data byte... */ outb(0, SMBUS_IO_BASE + SMBHSTDAT0); - + /* start the command */ - outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), - SMBUS_IO_BASE + SMBHSTCTL); - + outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL); + /* poll for transaction completion */ smbus_wait_until_done(); - + host_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT); - + /* Ignore the In Use Status... */ host_status_register &= ~(1 << 6); - + /* read results of transaction */ byte = inb(SMBUS_IO_BASE + SMBHSTDAT0); smbus_print_error(byte); - + *result = byte; return host_status_register != 0x02; } #endif - diff --git a/src/southbridge/via/vt8231/vt8231_ide.c b/src/southbridge/via/vt8231/vt8231_ide.c new file mode 100644 index 0000000000..70f256990c --- /dev/null +++ b/src/southbridge/via/vt8231/vt8231_ide.c @@ -0,0 +1,108 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <device/pci_ids.h> +#include "vt8231.h" +#include "chip.h" + +static void ide_init(struct device *dev) +{ + struct southbridge_via_vt8231_config *conf; + unsigned char enables; + + if (!conf->enable_native_ide) { + // Run the IDE controller in 'compatiblity mode - i.e. don't use PCI + // interrupts. Using PCI ints confuses linux for some reason. + + printk_info("%s: enabling compatibility IDE addresses\n", __FUNCTION__); + enables = pci_read_config8(dev, 0x42); + printk_debug("enables in reg 0x42 0x%x\n", enables); + enables &= ~0xc0; // compatability mode + pci_write_config8(dev, 0x42, enables); + enables = pci_read_config8(dev, 0x42); + printk_debug("enables in reg 0x42 read back as 0x%x\n", enables); + } + + enables = pci_read_config8(dev, 0x40); + printk_debug("enables in reg 0x40 0x%x\n", enables); + enables |= 3; + pci_write_config8(dev, 0x40, enables); + enables = pci_read_config8(dev, 0x40); + printk_debug("enables in reg 0x40 read back as 0x%x\n", enables); + + // Enable prefetch buffers + enables = pci_read_config8(dev, 0x41); + enables |= 0xf0; + pci_write_config8(dev, 0x41, enables); + + // Lower thresholds (cause award does it) + enables = pci_read_config8(dev, 0x43); + enables &= ~0x0f; + enables |= 0x05; + pci_write_config8(dev, 0x43, enables); + + // PIO read prefetch counter (cause award does it) + pci_write_config8(dev, 0x44, 0x18); + + // Use memory read multiple + pci_write_config8(dev, 0x45, 0x1c); + + // address decoding. + // we want "flexible", i.e. 1f0-1f7 etc. or native PCI + // kevinh@ispiri.com - the standard linux drivers seem ass slow when + // used in native mode - I've changed back to classic + enables = pci_read_config8(dev, 0x9); + printk_debug("enables in reg 0x9 0x%x\n", enables); + // by the book, set the low-order nibble to 0xa. + if (conf->enable_native_ide) { + enables &= ~0xf; + // cf/cg silicon needs an 'f' here. + enables |= 0xf; + } else { + enables &= ~0x5; + } + + pci_write_config8(dev, 0x9, enables); + enables = pci_read_config8(dev, 0x9); + printk_debug("enables in reg 0x9 read back as 0x%x\n", enables); + + // standard bios sets master bit. + enables = pci_read_config8(dev, 0x4); + printk_debug("command in reg 0x4 0x%x\n", enables); + enables |= 7; + + // No need for stepping - kevinh@ispiri.com + enables &= ~0x80; + + pci_write_config8(dev, 0x4, enables); + enables = pci_read_config8(dev, 0x4); + printk_debug("command in reg 0x4 reads back as 0x%x\n", enables); + + if (!conf->enable_native_ide) { + // Use compatability mode - per award bios + pci_write_config32(dev, 0x10, 0x0); + pci_write_config32(dev, 0x14, 0x0); + pci_write_config32(dev, 0x18, 0x0); + pci_write_config32(dev, 0x1c, 0x0); + + // Force interrupts to use compat mode - just like Award bios + pci_write_config8(dev, 0x3d, 00); + pci_write_config8(dev, 0x3c, 0xff); + } +} + +static struct device_operations ide_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = ide_init, + .enable = 0, + .ops_pci = 0, +}; + +static struct pci_driver northbridge_driver __pci_driver = { + .ops = &ide_ops, + .vendor = PCI_VENDOR_ID_VIA, + .device = PCI_DEVICE_ID_VIA_82C586_1, +}; diff --git a/src/southbridge/via/vt8231/vt8231_lpc.c b/src/southbridge/via/vt8231/vt8231_lpc.c new file mode 100644 index 0000000000..9564b55ae7 --- /dev/null +++ b/src/southbridge/via/vt8231/vt8231_lpc.c @@ -0,0 +1,154 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <device/pci_ids.h> + +#include <pc80/mc146818rtc.h> + +#include "vt8231.h" +#include "chip.h" + +/* PIRQ init + */ +void pci_assign_irqs(unsigned bus, unsigned slot, const unsigned char pIntAtoD[4]); +static const unsigned char southbridgeIrqs[4] = { 11, 5, 10, 12 }; +static const unsigned char enetIrqs[4] = { 11, 5, 10, 12 }; +static const unsigned char slotIrqs[4] = { 5, 10, 12, 11 }; + +/* + Our IDSEL mappings are as follows + PCI slot is AD31 (device 15) (00:14.0) + Southbridge is AD28 (device 12) (00:11.0) +*/ +static void pci_routing_fixup(struct device *dev) +{ + + printk_info("%s: dev is %p\n", __FUNCTION__, dev); + if (dev) { + /* initialize PCI interupts - these assignments depend + on the PCB routing of PINTA-D + + PINTA = IRQ11 + PINTB = IRQ5 + PINTC = IRQ10 + PINTD = IRQ12 + */ + pci_write_config8(dev, 0x55, 0xb0); + pci_write_config8(dev, 0x56, 0xa5); + pci_write_config8(dev, 0x57, 0xc0); + } + + // Standard southbridge components + printk_info("setting southbridge\n"); + pci_assign_irqs(0, 0x11, southbridgeIrqs); + + // Ethernet built into southbridge + printk_info("setting ethernet\n"); + pci_assign_irqs(0, 0x12, enetIrqs); + + // PCI slot + printk_info("setting pci slot\n"); + pci_assign_irqs(0, 0x14, slotIrqs); + printk_info("%s: DONE\n", __FUNCTION__); +} + +static void vt8231_init(struct device *dev) +{ + unsigned char enables; + struct southbridge_via_vt8231_config *conf = dev->chip_info; + + printk_debug("vt8231 init\n"); + + // enable the internal I/O decode + enables = pci_read_config8(dev, 0x6C); + enables |= 0x80; + pci_write_config8(dev, 0x6C, enables); + + // Map 4MB of FLASH into the address space + pci_write_config8(dev, 0x41, 0x7f); + + // Set bit 6 of 0x40, because Award does it (IO recovery time) + // IMPORTANT FIX - EISA 0x4d0 decoding must be on so that PCI + // interrupts can be properly marked as level triggered. + enables = pci_read_config8(dev, 0x40); + pci_write_config8(dev, 0x40, enables); + + // Set 0x42 to 0xf0 to match Award bios + enables = pci_read_config8(dev, 0x42); + enables |= 0xf0; + pci_write_config8(dev, 0x42, enables); + + // Set bit 3 of 0x4a, to match award (dummy pci request) + enables = pci_read_config8(dev, 0x4a); + enables |= 0x08; + pci_write_config8(dev, 0x4a, enables); + + // Set bit 3 of 0x4f to match award (use INIT# as cpu reset) + enables = pci_read_config8(dev, 0x4f); + enables |= 0x08; + pci_write_config8(dev, 0x4f, enables); + + // Set 0x58 to 0x03 to match Award + pci_write_config8(dev, 0x58, 0x03); + + // enable the ethernet/RTC + if (dev) { + enables = pci_read_config8(dev, 0x51); + enables |= 0x18; + pci_write_config8(dev, 0x51, enables); + } + + // enable IDE, since Linux won't do it. + // First do some more things to devfn (17,0) + // note: this should already be cleared, according to the book. + enables = pci_read_config8(dev, 0x50); + printk_debug("IDE enable in reg. 50 is 0x%x\n", enables); + enables &= ~8; // need manifest constant here! + printk_debug("set IDE reg. 50 to 0x%x\n", enables); + pci_write_config8(dev, 0x50, enables); + + // set default interrupt values (IDE) + enables = pci_read_config8(dev, 0x4c); + printk_debug("IRQs in reg. 4c are 0x%x\n", enables & 0xf); + // clear out whatever was there. + enables &= ~0xf; + enables |= 4; + printk_debug("setting reg. 4c to 0x%x\n", enables); + pci_write_config8(dev, 0x4c, enables); + + // set up the serial port interrupts. + // com2 to 3, com1 to 4 + pci_write_config8(dev, 0x46, 0x04); + pci_write_config8(dev, 0x47, 0x03); + pci_write_config8(dev, 0x6e, 0x98); + + /* set up isa bus -- i/o recovery time, rom write enable, extend-ale */ + pci_write_config8(dev, 0x40, 0x54); + //ethernet_fixup(); + + // Start the rtc + rtc_init(0); +} + +static void southbridge_init(struct device *dev) +{ + vt8231_init(dev); + pci_routing_fixup(dev); +} + +static struct device_operations vt8231_lpc_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = &southbridge_init, + .scan_bus = scan_static_bus, + .enable = 0, + .ops_pci = 0, +}; + +static struct pci_driver lpc_driver __pci_driver = { + .ops = &vt8231_lpc_ops, + .vendor = PCI_VENDOR_ID_VIA, + .device = PCI_DEVICE_ID_VIA_8231, +}; diff --git a/src/southbridge/via/vt8231/vt8231_nic.c b/src/southbridge/via/vt8231/vt8231_nic.c new file mode 100644 index 0000000000..13da26345c --- /dev/null +++ b/src/southbridge/via/vt8231/vt8231_nic.c @@ -0,0 +1,37 @@ +#include <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_ops.h> +#include <device/pci_ids.h> +#include "vt8231.h" + +/* + * Enable the ethernet device and turn off stepping (because it is integrated + * inside the southbridge) + */ +static void nic_init(struct device *dev) +{ + uint8_t byte; + + printk_debug("Configuring VIA LAN\n"); + + /* We don't need stepping - though the device supports it */ + byte = pci_read_config8(dev, PCI_COMMAND); + byte &= ~PCI_COMMAND_WAIT; + pci_write_config8(dev, PCI_COMMAND, byte); +} + +static struct device_operations nic_ops = { + .read_resources = pci_dev_read_resources, + .set_resources = pci_dev_set_resources, + .enable_resources = pci_dev_enable_resources, + .init = nic_init, + .enable = 0, + .ops_pci = 0, +}; + +static struct pci_driver northbridge_driver __pci_driver = { + .ops = &nic_ops, + .vendor = PCI_VENDOR_ID_VIA, + .device = PCI_DEVICE_ID_VIA_8233_7, +}; diff --git a/src/southbridge/via/vt8231/vt8231_usb.c b/src/southbridge/via/vt8231/vt8231_usb.c new file mode 100644 index 0000000000..3dd0b4272b --- /dev/null +++ b/src/southbridge/via/vt8231/vt8231_usb.c @@ -0,0 +1,52 @@ + +static void usb_on(int enable) +{ + unsigned char regval; + + /* Base 8231 controller */ + device_t dev0 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8231, 0); + /* USB controller 1 */ + device_t dev2 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, 0); + /* USB controller 2 */ + device_t dev3 = dev_find_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, dev2); + + /* enable USB1 */ + if(dev2) { + if (enable) { + pci_write_config8(dev2, 0x3c, 0x05); + pci_write_config8(dev2, 0x04, 0x07); + } else { + pci_write_config8(dev2, 0x3c, 0x00); + pci_write_config8(dev2, 0x04, 0x00); + } + } + + if(dev0) { + regval = pci_read_config8(dev0, 0x50); + if (enable) + regval &= ~(0x10); + else + regval |= 0x10; + pci_write_config8(dev0, 0x50, regval); + } + + /* enable USB2 */ + if(dev3) { + if (enable) { + pci_write_config8(dev3, 0x3c, 0x05); + pci_write_config8(dev3, 0x04, 0x07); + } else { + pci_write_config8(dev3, 0x3c, 0x00); + pci_write_config8(dev3, 0x04, 0x00); + } + } + + if(dev0) { + regval = pci_read_config8(dev0, 0x50); + if (enable) + regval &= ~(0x20); + else + regval |= 0x20; + pci_write_config8(dev0, 0x50, regval); + } +} |