diff options
Diffstat (limited to 'src/superio/smsc/lpc47m15x')
| -rw-r--r-- | src/superio/smsc/lpc47m15x/Config.lb | 2 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m15x/chip.h | 10 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m15x/lpc47m15x.h | 10 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m15x/lpc47m15x_early_serial.c | 42 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m15x/superio.c | 136 |
5 files changed, 200 insertions, 0 deletions
diff --git a/src/superio/smsc/lpc47m15x/Config.lb b/src/superio/smsc/lpc47m15x/Config.lb new file mode 100644 index 0000000000..f62a567d61 --- /dev/null +++ b/src/superio/smsc/lpc47m15x/Config.lb @@ -0,0 +1,2 @@ +config chip.h +object superio.o diff --git a/src/superio/smsc/lpc47m15x/chip.h b/src/superio/smsc/lpc47m15x/chip.h new file mode 100644 index 0000000000..5837e1472a --- /dev/null +++ b/src/superio/smsc/lpc47m15x/chip.h @@ -0,0 +1,10 @@ +struct chip_operations; +extern struct chip_operations superio_smsc_lpc47m15x_ops; + +#include <pc80/keyboard.h> +#include <uart8250.h> + +struct superio_smsc_lpc47m15x_config { + struct uart8250 com1, com2; + struct pc_keyboard keyboard; +}; diff --git a/src/superio/smsc/lpc47m15x/lpc47m15x.h b/src/superio/smsc/lpc47m15x/lpc47m15x.h new file mode 100644 index 0000000000..ac3c28eaba --- /dev/null +++ b/src/superio/smsc/lpc47m15x/lpc47m15x.h @@ -0,0 +1,10 @@ +#define LPC47M15X_FDC 0 /* Floppy */ +#define LPC47M15X_PP 3 /* Parallel Port */ +#define LPC47M15X_SP1 4 /* Com1 */ +#define LPC47M15X_SP2 5 /* Com2 */ +#define LPC47M15X_KBC 7 /* Keyboard & Mouse */ +#define LPC47M15X_GAME 9 /* GAME */ +#define LPC47M15X_PME 10 /* PME reg*/ +#define LPC47M15X_MPU 11 /* MPE -- who knows -- reg*/ + +#define LPC47M15X2_MAX_CONFIG_REGISTER 0x5F diff --git a/src/superio/smsc/lpc47m15x/lpc47m15x_early_serial.c b/src/superio/smsc/lpc47m15x/lpc47m15x_early_serial.c new file mode 100644 index 0000000000..842be5ea04 --- /dev/null +++ b/src/superio/smsc/lpc47m15x/lpc47m15x_early_serial.c @@ -0,0 +1,42 @@ +/* + * lpc47m15x_early_serial.c: Pre-RAM driver for SMSC LPC47M15X Super I/O chip + * + * Copyright (C) 2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/romcc_io.h> +#include "lpc47m15x.h" + +static inline void pnp_enter_conf_state(device_t dev) +{ + unsigned port = dev>>8; + outb(0x55, port); +} + +static void pnp_exit_conf_state(device_t dev) { + unsigned port = dev>>8; + outb(0xaa, port); +} + +static void lpc47b272_enable_serial(device_t dev, unsigned iobase) +{ + pnp_enter_conf_state(dev); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, iobase); + pnp_set_enable(dev, 1); + pnp_exit_conf_state(dev); +} diff --git a/src/superio/smsc/lpc47m15x/superio.c b/src/superio/smsc/lpc47m15x/superio.c new file mode 100644 index 0000000000..129b7d4b5c --- /dev/null +++ b/src/superio/smsc/lpc47m15x/superio.c @@ -0,0 +1,136 @@ +/* + * superio.c: RAM driver for SMSC LPC47M15X Super I/O chip + * + * (C) 2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/io.h> +#include <device/device.h> +#include <device/pnp.h> +#include <console/console.h> +#include <device/smbus.h> +#include <string.h> +#include <bitops.h> +#include <uart8250.h> +#include <pc80/keyboard.h> +#include <stdlib.h> +#include "chip.h" +#include "lpc47m15x.h" + +// Forward declarations +static void enable_dev(device_t dev); +void lpc47m15x_pnp_set_resources(device_t dev); +void lpc47m15x_pnp_set_resources(device_t dev); +void lpc47m15x_pnp_enable_resources(device_t dev); +void lpc47m15x_pnp_enable(device_t dev); +static void lpc47m15x_init(device_t dev); + +static void pnp_enter_conf_state(device_t dev); +static void pnp_exit_conf_state(device_t dev); +static void dump_pnp_device(device_t dev); + + +struct chip_operations superio_smsc_lpc47m15x_ops = { + CHIP_NAME("SMSC LPC47M15x/192/997 Super I/O") + .enable_dev = enable_dev +}; + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = lpc47m15x_pnp_set_resources, + .enable_resources = lpc47m15x_pnp_enable_resources, + .enable = lpc47m15x_pnp_enable, + .init = lpc47m15x_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, LPC47M15X_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, }, + { &ops, LPC47M15X_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, }, + { &ops, LPC47M15X_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, LPC47M15X_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, LPC47M15X_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, }, +}; + +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +void lpc47m15x_pnp_set_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_resources(dev); + pnp_exit_conf_state(dev); +} + +void lpc47m15x_pnp_enable_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_enable_resources(dev); + pnp_exit_conf_state(dev); +} + +void lpc47m15x_pnp_enable(device_t dev) +{ + pnp_enter_conf_state(dev); + pnp_set_logical_device(dev); + + if(dev->enabled) { + pnp_set_enable(dev, 1); + } + else { + pnp_set_enable(dev, 0); + } + pnp_exit_conf_state(dev); +} + +static void lpc47m15x_init(device_t dev) +{ + struct superio_smsc_lpc47m15x_config *conf = dev->chip_info; + struct resource *res0, *res1; + + if (!dev->enabled) + return; + + switch(dev->path.pnp.device) { + case LPC47M15X_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + + case LPC47M15X_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + + case LPC47M15X_KBC: + res0 = find_resource(dev, PNP_IDX_IO0); + res1 = find_resource(dev, PNP_IDX_IO1); + pc_keyboard_init(&conf->keyboard); + break; + } +} + +static void pnp_enter_conf_state(device_t dev) +{ + outb(0x55, dev->path.pnp.port); +} + +static void pnp_exit_conf_state(device_t dev) +{ + outb(0xaa, dev->path.pnp.port); +} + |