diff options
Diffstat (limited to 'src/superio/smsc/lpc47m10x/superio.c')
-rw-r--r-- | src/superio/smsc/lpc47m10x/superio.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/superio/smsc/lpc47m10x/superio.c b/src/superio/smsc/lpc47m10x/superio.c new file mode 100644 index 0000000000..cb297a5b14 --- /dev/null +++ b/src/superio/smsc/lpc47m10x/superio.c @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <device/device.h> +#include <device/pnp.h> +#include <superio/conf_mode.h> +#include <pc80/keyboard.h> + +#include "lpc47m10x.h" + +/** + * Initialize the specified Super I/O device. + * + * Devices other than COM ports and the keyboard controller are ignored. + * For COM ports, we configure the baud rate. + * + * @param dev Pointer to structure describing a Super I/O device. + */ +static void lpc47m10x_init(struct device *dev) +{ + if (!dev->enabled) + return; + + switch (dev->path.pnp.device) { + case LPC47M10X2_KBC: + pc_keyboard_init(NO_AUX_DEVICE); + break; + } +} + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = pnp_set_resources, + .enable_resources = pnp_enable_resources, + .enable = pnp_alt_enable, + .init = lpc47m10x_init, + .ops_pnp_mode = &pnp_conf_mode_55_aa, +}; + +static struct pnp_info pnp_dev_info[] = { + { NULL, LPC47M10X2_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, }, + { NULL, LPC47M10X2_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, }, + { NULL, LPC47M10X2_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, }, + { NULL, LPC47M10X2_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, }, + { NULL, LPC47M10X2_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, + 0x07ff, 0x07ff, }, + { NULL, LPC47M10X2_PME, PNP_IO0, 0x0f80, }, +}; + +/** + * Create device structures and allocate resources to devices specified in the + * pnp_dev_info array (above). + * + * @param dev Pointer to structure describing a Super I/O device. + */ +static void enable_dev(struct device *dev) +{ + pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); +} + +struct chip_operations superio_smsc_lpc47m10x_ops = { + CHIP_NAME("SMSC LPC47M10x Super I/O") + .enable_dev = enable_dev +}; |