diff options
Diffstat (limited to 'src/superio/nsc/pc97307/superio.c')
-rw-r--r-- | src/superio/nsc/pc97307/superio.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/superio/nsc/pc97307/superio.c b/src/superio/nsc/pc97307/superio.c new file mode 100644 index 0000000000..b2de76a4c1 --- /dev/null +++ b/src/superio/nsc/pc97307/superio.c @@ -0,0 +1,88 @@ +/* Copyright 2000 AG Electronics Ltd. */ +/* This code is distributed without warranty under the GPL v2 (see COPYING) */ + +#include <arch/io.h> +#include <console/console.h> +#include <device/device.h> +#include <device/pnp.h> +#include "chip.h" +#include "pc97307.h" + +static void init(device_t dev) +{ + struct superio_nsc_pc97307_config *conf; + struct resource *res0, *res1; + + if (!dev->enabled) { + return; + } + conf = dev->chip_info; + switch(dev->path.u.pnp.device) { + case PC97307_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + + case PC97307_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + + case PC97307_KBCK: + /* Enable keyboard */ + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); /* Disable keyboard */ + pnp_write_config(dev, 0xf0, 0x40); /* Set KBC clock to 8 Mhz */ + pnp_set_enable(dev, 1); /* Enable keyboard */ + + res0 = find_resource(dev, PNP_IDX_IO0); + res1 = find_resource(dev, PNP_IDX_IO1); + init_pc_keyboard(res0->base, res1->base, &conf->keyboard); + break; + + case PC97307_FDC: + { + unsigned reg; + /* Set up floppy in PS/2 mode */ + outb(0x09, SIO_CONFIG_RA); + reg = inb(SIO_CONFIG_RD); + reg = (reg & 0x3F) | 0x40; + outb(reg, SIO_CONFIG_RD); + outb(reg, SIO_CONFIG_RD); /* Have to write twice to change! */ + break; + } + default: + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = pnp_set_resources, + .enable_resources = pnp_enable_resources, + .enable = pnp_enable, + .init = init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, PC97307_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0xffb, 0 }, { 0xffb, 0x4}, }, + { &ops, PC97307_KBCM, PNP_IRQ0 }, + { &ops, PC97307_RTC, PNP_IO0 | PNP_IRQ0, { 0xfffe, 0}, }, + { &ops, PC97307_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0xfffa, 0}, }, + { &ops, PC97307_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x03fc, 0}, }, + { &ops, PC97307_SP2, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0xfff8, 0 }, }, + { &ops, PC97307_SP1, PNP_IO0 | PNP_IRQ0, { 0xfff8, 0 }, }, + { &ops, PC97307_GPIO, PNP_IO0, { 0xfff8, 0 } }, + { &ops, PC97307_PM, PNP_IO0, { 0xfffe, 0 } }, +}; + +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &ops, + sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info); +} + +struct chip_operations superio_nsc_pc97307_ops = { + CHIP_NAME("NSC 97307") + .enable_dev = enable_dev, +}; |