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Diffstat (limited to 'src/superio/smsc/lpc47b397')
-rw-r--r--src/superio/smsc/lpc47b397/Config.lb2
-rw-r--r--src/superio/smsc/lpc47b397/chip.h17
-rw-r--r--src/superio/smsc/lpc47b397/lpc47b397.h7
-rw-r--r--src/superio/smsc/lpc47b397/lpc47b397_early_gpio.c25
-rw-r--r--src/superio/smsc/lpc47b397/lpc47b397_early_serial.c20
-rw-r--r--src/superio/smsc/lpc47b397/superio.c244
6 files changed, 315 insertions, 0 deletions
diff --git a/src/superio/smsc/lpc47b397/Config.lb b/src/superio/smsc/lpc47b397/Config.lb
new file mode 100644
index 0000000000..f62a567d61
--- /dev/null
+++ b/src/superio/smsc/lpc47b397/Config.lb
@@ -0,0 +1,2 @@
+config chip.h
+object superio.o
diff --git a/src/superio/smsc/lpc47b397/chip.h b/src/superio/smsc/lpc47b397/chip.h
new file mode 100644
index 0000000000..452cef51cf
--- /dev/null
+++ b/src/superio/smsc/lpc47b397/chip.h
@@ -0,0 +1,17 @@
+#ifndef SIO_COM1
+#define SIO_COM1_BASE 0x3F8
+#endif
+#ifndef SIO_COM2
+#define SIO_COM2_BASE 0x2F8
+#endif
+
+struct chip_operations;
+extern struct chip_operations superio_smsc_lpc47b397_ops;
+
+#include <pc80/keyboard.h>
+#include <uart8250.h>
+
+struct superio_smsc_lpc47b397_config {
+ struct uart8250 com1, com2;
+ struct pc_keyboard keyboard;
+};
diff --git a/src/superio/smsc/lpc47b397/lpc47b397.h b/src/superio/smsc/lpc47b397/lpc47b397.h
new file mode 100644
index 0000000000..193a971d8c
--- /dev/null
+++ b/src/superio/smsc/lpc47b397/lpc47b397.h
@@ -0,0 +1,7 @@
+#define LPC47B397_FDC 0 /* Floppy */
+#define LPC47B397_PP 3 /* Parallel Port */
+#define LPC47B397_SP1 4 /* Com1 */
+#define LPC47B397_SP2 5 /* Com2 */
+#define LPC47B397_KBC 7 /* Keyboard & Mouse */
+#define LPC47B397_HWM 8 /* HW Monitor */
+#define LPC47B397_RT 10 /* Runtime reg*/
diff --git a/src/superio/smsc/lpc47b397/lpc47b397_early_gpio.c b/src/superio/smsc/lpc47b397/lpc47b397_early_gpio.c
new file mode 100644
index 0000000000..6f27c74db1
--- /dev/null
+++ b/src/superio/smsc/lpc47b397/lpc47b397_early_gpio.c
@@ -0,0 +1,25 @@
+static void lpc47b397_gpio_offset_out(unsigned iobase, unsigned offset, unsigned value)
+{
+ outb(value,iobase+offset);
+}
+static unsigned lpc47b397_gpio_offset_in(unsigned iobase, unsigned offset)
+{
+ return inb(iobase+offset);
+}
+
+//for GP60-GP64, GP66-GP85
+#define LPC47B397_GPIO_CNTL_INDEX 0x70
+#define LPC47B397_GPIO_CNTL_DATA 0x71
+
+static void lpc47b397_gpio_index_out(unsigned iobase, unsigned index, unsigned value)
+{
+ outb(index,iobase+LPC47B397_GPIO_CNTL_INDEX);
+ outb(value, iobase+LPC47B397_GPIO_CNTL_DATA);
+}
+static unsigned lpc47b397_gpio_index_in(unsigned iobase, unsigned index)
+{
+ outb(index,iobase+LPC47B397_GPIO_CNTL_INDEX);
+ return inb(iobase+LPC47B397_GPIO_CNTL_DATA);
+}
+
+
diff --git a/src/superio/smsc/lpc47b397/lpc47b397_early_serial.c b/src/superio/smsc/lpc47b397/lpc47b397_early_serial.c
new file mode 100644
index 0000000000..2a3d3dbd31
--- /dev/null
+++ b/src/superio/smsc/lpc47b397/lpc47b397_early_serial.c
@@ -0,0 +1,20 @@
+#include <arch/romcc_io.h>
+#include "lpc47b397.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 lpc47b397_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/lpc47b397/superio.c b/src/superio/smsc/lpc47b397/superio.c
new file mode 100644
index 0000000000..5a456099c8
--- /dev/null
+++ b/src/superio/smsc/lpc47b397/superio.c
@@ -0,0 +1,244 @@
+/* Copyright 2000 AG Electronics Ltd. */
+/* Copyright 2003-2004 Linux Networx */
+/* Copyright 2004 Tyan
+ */
+
+/* This code is distributed without warranty under the GPL v2 (see COPYING) */
+
+#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 "chip.h"
+#include "lpc47b397.h"
+
+
+static void pnp_enter_conf_state(device_t dev) {
+ outb(0x55, dev->path.u.pnp.port);
+}
+static void pnp_exit_conf_state(device_t dev) {
+ outb(0xaa, dev->path.u.pnp.port);
+}
+
+static void pnp_write_index(unsigned long port_base, uint8_t reg, uint8_t value)
+{
+ outb(reg, port_base);
+ outb(value, port_base + 1);
+}
+
+static uint8_t pnp_read_index(unsigned long port_base, uint8_t reg)
+{
+ outb(reg, port_base);
+ return inb(port_base + 1);
+}
+
+static void enable_hwm_smbus(device_t dev) {
+ /* enable SensorBus register access */
+ uint8_t reg, value;
+ reg = 0xf0;
+ value = pnp_read_config(dev, reg);
+ value |= 0x01;
+ pnp_write_config(dev, reg, value);
+}
+#if 0
+static void dump_pnp_device(device_t dev)
+{
+ int i;
+ print_debug("\r\n");
+
+ for(i = 0; i <= 255; i++) {
+ uint8_t reg, val;
+ if ((i & 0x0f) == 0) {
+ print_debug_hex8(i);
+ print_debug_char(':');
+ }
+ reg = i;
+ if(i!=0xaa) {
+ val = pnp_read_config(dev, reg);
+ }
+ else {
+ val = 0xaa;
+ }
+ print_debug_char(' ');
+ print_debug_hex8(val);
+ if ((i & 0x0f) == 0x0f) {
+ print_debug("\r\n");
+ }
+ }
+}
+#endif
+
+
+static void lpc47b397_init(device_t dev)
+{
+ struct superio_smsc_lpc47b397_config *conf;
+ struct resource *res0, *res1;
+ if (!dev->enabled) {
+ return;
+ }
+ conf = dev->chip_info;
+ switch(dev->path.u.pnp.device) {
+ case LPC47B397_SP1:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ init_uart8250(res0->base, &conf->com1);
+ break;
+ case LPC47B397_SP2:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ init_uart8250(res0->base, &conf->com2);
+ break;
+ case LPC47B397_KBC:
+ res0 = find_resource(dev, PNP_IDX_IO0);
+ res1 = find_resource(dev, PNP_IDX_IO1);
+ init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
+ break;
+ }
+
+}
+
+void lpc47b397_pnp_set_resources(device_t dev)
+{
+
+ pnp_enter_conf_state(dev);
+
+ pnp_set_resources(dev);
+
+#if 0
+ dump_pnp_device(dev);
+#endif
+
+ pnp_exit_conf_state(dev);
+
+}
+
+void lpc47b397_pnp_enable_resources(device_t dev)
+{
+
+ pnp_enter_conf_state(dev);
+
+ pnp_enable_resources(dev);
+
+ switch(dev->path.u.pnp.device) {
+ case LPC47B397_HWM:
+ printk_debug("lpc47b397 SensorBus Register Access enabled\r\n");
+ pnp_set_logical_device(dev);
+ enable_hwm_smbus(dev);
+ break;
+ }
+
+#if 0
+ dump_pnp_device(dev);
+#endif
+
+ pnp_exit_conf_state(dev);
+
+}
+
+void lpc47b397_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 struct device_operations ops = {
+ .read_resources = pnp_read_resources,
+ .set_resources = lpc47b397_pnp_set_resources,
+ .enable_resources = lpc47b397_pnp_enable_resources,
+ .enable = lpc47b397_pnp_enable,
+ .init = lpc47b397_init,
+};
+
+
+#define HWM_INDEX 0
+#define HWM_DATA 1
+#define SB_INDEX 0x0b
+#define SB_DATA0 0x0c
+#define SB_DATA1 0x0d
+#define SB_DATA2 0x0e
+#define SB_DATA3 0x0f
+
+static int lsmbus_read_byte(device_t dev, uint8_t address)
+{
+ unsigned device;
+ struct resource *res;
+ int result;
+
+ device = dev->path.u.i2c.device;
+
+ res = find_resource(get_pbus_smbus(dev)->dev, PNP_IDX_IO0);
+
+ pnp_write_index(res->base+HWM_INDEX, 0, device); // why 0?
+
+ result = pnp_read_index(res->base+SB_INDEX, address); // we only read it one byte one time
+
+ return result;
+}
+
+static int lsmbus_write_byte(device_t dev, uint8_t address, uint8_t val)
+{
+ unsigned device;
+ struct resource *res;
+
+ device = dev->path.u.i2c.device;
+ res = find_resource(get_pbus_smbus(dev)->dev, PNP_IDX_IO0);
+
+ pnp_write_index(res->base+HWM_INDEX, 0, device); // why 0?
+
+ pnp_write_index(res->base+SB_INDEX, address, val); // we only write it one byte one time
+
+ return 0;
+}
+
+static struct smbus_bus_operations lops_smbus_bus = {
+// .recv_byte = lsmbus_recv_byte,
+// .send_byte = lsmbus_send_byte,
+ .read_byte = lsmbus_read_byte,
+ .write_byte = lsmbus_write_byte,
+};
+static struct device_operations ops_hwm = {
+ .read_resources = pnp_read_resources,
+ .set_resources = lpc47b397_pnp_set_resources,
+ .enable_resources = lpc47b397_pnp_enable_resources,
+ .enable = lpc47b397_pnp_enable,
+ .init = lpc47b397_init,
+ .scan_bus = scan_static_bus,
+ .ops_smbus_bus = &lops_smbus_bus,
+};
+
+static struct pnp_info pnp_dev_info[] = {
+ { &ops, LPC47B397_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
+ { &ops, LPC47B397_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
+ { &ops, LPC47B397_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+ { &ops, LPC47B397_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
+ { &ops, LPC47B397_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
+ { &ops_hwm, LPC47B397_HWM, PNP_IO0, { 0x7f0, 0 }, },
+ { &ops, LPC47B397_RT, PNP_IO0, { 0x780, 0 }, },
+};
+
+static void enable_dev(struct device *dev)
+{
+ pnp_enable_devices(dev, &pnp_ops,
+ sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
+}
+
+struct chip_operations superio_smsc_lpc47b397_ops = {
+ CHIP_NAME("smsc lpc47b397")
+ .enable_dev = enable_dev,
+};
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 04:41:04 +0000