From dc2454eb944c2ea9201bd650d7bc9942d4653a6c Mon Sep 17 00:00:00 2001 From: Jonathan McDowell Date: Mon, 8 Aug 2005 08:16:23 +0000 Subject: [PATCH] Clean up vt1211 SuperIO support and make the EPIA-M config use it. git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2003 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/mainboard/via/epia-m/Config.lb | 30 ++++- src/superio/via/vt1211/chip.h | 15 +-- src/superio/via/vt1211/vt1211.c | 172 ++++++++++++++++------------- src/superio/via/vt1211/vt1211.h | 14 ++- 4 files changed, 136 insertions(+), 95 deletions(-) diff --git a/src/mainboard/via/epia-m/Config.lb b/src/mainboard/via/epia-m/Config.lb index ed17589ae..decbd0e3b 100644 --- a/src/mainboard/via/epia-m/Config.lb +++ b/src/mainboard/via/epia-m/Config.lb @@ -145,6 +145,30 @@ chip northbridge/via/vt8623 device pci 10.3 on end # USB 2 device pci 11.0 on # Southbridge + chip superio/via/vt1211 + 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 + drq 0x74 = 3 + end + device pnp 2e.2 on # COM1 + io 0x60 = 0x3f8 + irq 0x70 = 4 + end + device pnp 2e.3 on # COM2 + io 0x60 = 0x2f8 + irq 0x70 = 3 + end + device pnp 2e.b on # HWM + io 0x60 = 0xec00 + end + + end end device pci 11.1 on end # IDE @@ -153,12 +177,6 @@ chip northbridge/via/vt8623 device pci 11.6 off end # AC97 Modem device pci 12.0 on end # Ethernet end - chip superio/via/vt1211 - register "enable_com_ports" = "1" - register "enable_hwmon" = "1" - register "enable_lpt" = "1" - register "enable_fdc" = "1" - end # This is on the EPIA MII, not the M. # chip southbridge/ricoh/rl5c476 # end diff --git a/src/superio/via/vt1211/chip.h b/src/superio/via/vt1211/chip.h index fc461cc63..cfe0a3190 100644 --- a/src/superio/via/vt1211/chip.h +++ b/src/superio/via/vt1211/chip.h @@ -1,19 +1,12 @@ #ifndef _SUPERIO_VIA_VT1211 #define _SUPERIO_VIA_VT1211 -extern struct chip_operations superio_via_vt1211_control; +#include + +extern struct chip_operations superio_via_vt1211_ops; struct superio_via_vt1211_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! - */ - /* enables of functions of devices */ - int enable_com_ports; - int enable_fdc; - int enable_lpt; - int enable_hwmon; + struct uart8250 com1, com2; }; #endif /* _SUPERIO_VIA_VT1211 */ diff --git a/src/superio/via/vt1211/vt1211.c b/src/superio/via/vt1211/vt1211.c index c537429fc..f51aacdbf 100644 --- a/src/superio/via/vt1211/vt1211.c +++ b/src/superio/via/vt1211/vt1211.c @@ -22,11 +22,11 @@ #include -#include -#include -#include -#include #include +#include +#include +#include + #include "vt1211.h" #include "chip.h" @@ -47,102 +47,120 @@ static unsigned char vt1211hwmonitorinits[]={ 0x4c,0x0, 0x4d,0x0, 0x4e,0xf, 0x5d,0x77, 0x5c,0x0, 0x5f,0x33, 0x40,0x1}; -static void start_conf_pnp(int dev) -{ - outb(0x87,0x2e); - outb(0x87,0x2e); - outb(7,0x2e); - outb(dev,0x2f); -} -static void write_pnp(int reg, int val) +static void pnp_enter_ext_func_mode(device_t dev) { - outb(reg,0x2e); - outb(val,0x2f); + outb(0x87, dev->path.u.pnp.port); + outb(0x87, dev->path.u.pnp.port); } -static void end_conf_pnp() + +static void pnp_exit_ext_func_mode(device_t dev) { - outb(0xaa,0x2e); + outb(0xaa, dev->path.u.pnp.port); } -static void vt1211_init(struct superio_via_vt1211_config *conf) +static void init_hwm(unsigned long base) { - int i; - // Activate the vt1211 hardware monitor - if(conf->enable_hwmon){ - start_conf_pnp(0x0b); - write_pnp(0x60,0xec); - write_pnp(0x30,1); - end_conf_pnp(); - - // initialize vt1211 hardware monitor registers, which are at 0xECXX - for(i=0;ienable_fdc){ - // activate FDC - start_conf_pnp(0); // fdc is device 0 - write_pnp(0x60,0xfc); // io address - write_pnp(0x70,0x06); // interupt - write_pnp(0x74,0x02); // dma - write_pnp(0x30,0x01); // activate it - end_conf_pnp(); - } - - if( conf->enable_com_ports ){ - // activate com2 - start_conf_pnp(3); - write_pnp(0x60,0xbe); - write_pnp(0x70,0x3); - write_pnp(0xf0,0x02); - write_pnp(0x30,0x01); - end_conf_pnp(); - } - if( conf->enable_lpt ){ - // activate lpt - start_conf_pnp(1); - write_pnp(0x60,0xde); - write_pnp(0x70,0x07); - write_pnp(0x74,0x3); - write_pnp(0x30,0x01); - end_conf_pnp(); + // initialize vt1211 hardware monitor registers, which are at 0xECXX + for(i = 0; i < sizeof(vt1211hwmonitorinits); i += 2) { + outb(vt1211hwmonitorinits[i + 1], + base + vt1211hwmonitorinits[i]); } - } -static void superio_init(struct chip *chip, enum chip_pass pass) +static void vt1211_init(struct device *dev) { + struct superio_via_vt1211_config *conf = dev->chip_info; + struct resource *res0; - struct superio_via_vt1211_config *conf = - (struct superio_via_vt1211_config *)chip->chip_info; + if (!dev->enabled) { + return; + } - switch (pass) { - case CONF_PASS_PRE_PCI: + switch (dev->path.u.pnp.device) { + case VT1211_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); break; - - case CONF_PASS_POST_PCI: - vt1211_init(conf); + case VT1211_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); break; - - case CONF_PASS_PRE_BOOT: + case VT1211_HWM: + res0 = find_resource(dev, PNP_IDX_IO0); + init_hwm(res0->base); break; - default: - /* nothing yet */ - break; + printk_info("vt1211 asked to initialise unknown device!\n"); } + + /* activate com2 + start_conf_pnp(3); + write_pnp(0x60,0xbe); + write_pnp(0x70,0x3); + write_pnp(0xf0,0x02); + write_pnp(0x30,0x01); + end_conf_pnp(); + + // Activate the vt1211 hardware monitor + start_conf_pnp(0x0b); + write_pnp(0x60,0xec); + write_pnp(0x30,1); + end_conf_pnp(); */ + +} + +void vt1211_pnp_enable_resources(device_t dev) +{ + pnp_enter_ext_func_mode(dev); + pnp_enable_resources(dev); + pnp_exit_ext_func_mode(dev); } -static void enumerate(struct chip *chip) +void vt1211_pnp_set_resources(struct device *dev) +{ + pnp_enter_ext_func_mode(dev); + pnp_set_resources(dev); + pnp_exit_ext_func_mode(dev); +} + +void vt1211_pnp_enable(device_t dev) +{ + if (!dev->enabled) { + pnp_enter_ext_func_mode(dev); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_exit_ext_func_mode(dev); + } +} + +struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = vt1211_pnp_set_resources, + .enable_resources = vt1211_pnp_enable_resources, + .enable = vt1211_pnp_enable, + .init = vt1211_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, VT1211_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, }, + { &ops, VT1211_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, }, + { &ops, VT1211_SP1, PNP_IO0 | PNP_IRQ0, { 0x07f8, 0}, }, + { &ops, VT1211_SP2, PNP_IO0 | PNP_IRQ0, { 0x07f8, 0}, }, + { &ops, VT1211_HWM, PNP_IO0 , { 0xfff8, 0 }, }, +}; + +static void enable_dev(struct device *dev) { - extern struct device_operations default_pci_ops_bus; - chip_enumerate(chip); - chip->dev->ops = &default_pci_ops_bus; + printk_debug("vt1211 enabling PNP devices.\n"); + pnp_enable_devices(dev, + &ops, + sizeof(pnp_dev_info) / sizeof(pnp_dev_info[0]), + pnp_dev_info); } -struct chip_operations superio_via_vt1211_control = { +struct chip_operations superio_via_vt1211_ops = { CHIP_NAME("VIA vt1211") - .enumerate = enumerate, - .enable = superio_init, + .enable_dev = enable_dev, }; diff --git a/src/superio/via/vt1211/vt1211.h b/src/superio/via/vt1211/vt1211.h index 0d3d620df..e23cf7750 100644 --- a/src/superio/via/vt1211/vt1211.h +++ b/src/superio/via/vt1211/vt1211.h @@ -18,5 +18,17 @@ * MA 02111-1307 USA */ - /* vt1211 routines and defines*/ +/* vt1211 PNP devices */ +#define VT1211_FDC 0 /* Floppy */ +#define VT1211_PP 1 /* Parallel Port */ +#define VT1211_SP1 2 /* COM1 */ +#define VT1211_SP2 3 /* COM2 */ +#define VT1211_MIDI 6 /* MIDI */ +#define VT1211_GAME 7 /* Game port */ +#define VT1211_GPIO 8 /* GPIO pins */ +#define VT1211_WATCHDOG 9 /* Watchdog timer */ +#define VT1211_WAKEUP 10 /* Wakeup control */ +#define VT1211_HWM 11 /* Hardware monitor */ +#define VT1211_FIR 12 /* Irda */ +#define VT1211_ROM 13 /* ROM control */ -- 2.25.1