diff options
| -rw-r--r-- | src/include/assert.h | 110 | ||||
| -rw-r--r-- | src/include/sdram_mode.h | 115 | ||||
| -rw-r--r-- | src/include/spd.h | 170 | ||||
| -rw-r--r-- | src/northbridge/intel/e7501/e7501.h | 5 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ca/cmos_failover.c | 14 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ca/i82801ca.c | 26 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ca/i82801ca.h | 64 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ca/i82801ca_early_smbus.c | 2 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ca/i82801ca_ide.c | 2 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ca/i82801ca_lpc.c | 94 | ||||
| -rw-r--r-- | src/southbridge/intel/i82801ca/i82801ca_smbus.c | 4 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47b272/lpc47b272_early_serial.c | 87 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47b272/superio.c | 189 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c | 87 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47m10x/superio.c | 5 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47n217/lpc47n217_early_serial.c | 302 | ||||
| -rw-r--r-- | src/superio/smsc/lpc47n217/superio.c | 780 |
17 files changed, 995 insertions, 1061 deletions
diff --git a/src/include/assert.h b/src/include/assert.h index 17f297d62b..4692ed0744 100644 --- a/src/include/assert.h +++ b/src/include/assert.h @@ -1,59 +1,51 @@ -/*
- * $Header: /home/cvs/BIR/ca-cpu/freebios/src/include/assert.h,v 1.1 2005/07/11 16:03:54 smagnani Exp $
- *
- * assert.h: Debugging macros
- *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log: assert.h,v $
- * Revision 1.1 2005/07/11 16:03:54 smagnani
- * Initial revision.
- *
- *
- */
-
-#ifndef __ASSERT_H_DEFINED
-#define __ASSERT_H_DEFINED
-
-// ROMCC doesn't support __FILE__ or __LINE__ :^{
-
-#if DEBUG
-#ifdef __ROMCC__
-#define ASSERT(x) { if (!(x)) die("ASSERT failure!\r\n"); }
-#else
-#define ASSERT(x) { \
- if (!(x)) \
- { \
- printk_emerg("ASSERT failure: file '%s', line %d\n", __FILE__, __LINE__); \
- die(""); \
- } \
- }
-#endif // __ROMCC__
-#else // !DEBUG
-#define ASSERT(x) { }
-#endif
-
-#ifdef __ROMCC__
-#define BUG() { die("BUG encountered: system halted\r\n"); }
-#else
-#define BUG() { \
- printk_emerg("BUG: file '%s', line %d\n", __FILE__, __LINE__); \
- die(""); \
- }
-#endif
-
-#endif // __ASSERT_H_DEFINED
+/* + * assert.h: Debugging macros + * + * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 + */ + +#ifndef __ASSERT_H_DEFINED +#define __ASSERT_H_DEFINED + +// ROMCC doesn't support __FILE__ or __LINE__ :^{ + +#if DEBUG +#ifdef __ROMCC__ +#define ASSERT(x) { if (!(x)) die("ASSERT failure!\r\n"); } +#else +#define ASSERT(x) { \ + if (!(x)) \ + { \ + printk_emerg("ASSERT failure: file '%s', line %d\n", __FILE__, __LINE__); \ + die(""); \ + } \ + } +#endif // __ROMCC__ +#else // !DEBUG +#define ASSERT(x) { } +#endif + +#ifdef __ROMCC__ +#define BUG() { die("BUG encountered: system halted\r\n"); } +#else +#define BUG() { \ + printk_emerg("BUG: file '%s', line %d\n", __FILE__, __LINE__); \ + die(""); \ + } +#endif + +#endif // __ASSERT_H_DEFINED diff --git a/src/include/sdram_mode.h b/src/include/sdram_mode.h index 238ff6b787..29f3154897 100644 --- a/src/include/sdram_mode.h +++ b/src/include/sdram_mode.h @@ -1,62 +1,53 @@ -/*
- * $Header: /home/cvs/BIR/ca-cpu/freebios/src/include/sdram_mode.h,v 1.1 2005/07/11 16:03:54 smagnani Exp $
- *
- * sdram_mode.h: Definitions for SDRAM Mode Register and Extended Mode Register
- *
- *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log: sdram_mode.h,v $
- * Revision 1.1 2005/07/11 16:03:54 smagnani
- * Initial revision.
- *
- *
- */
-
-#ifndef __SDRAMMODE_H_DEFINED
-#define __SDRAMMODE_H_DEFINED
-
-// SDRAM Mode Register definitions, per JESD79D
-// These are transmitted via A0-A13
-
-// Burst length
-#define SDRAM_BURST_2 (1<<0)
-#define SDRAM_BURST_4 (2<<0)
-#define SDRAM_BURST_8 (3<<0)
-
-#define SDRAM_BURST_SEQUENTIAL (0<<3)
-#define SDRAM_BURST_INTERLEAVED (1<<3)
-
-#define SDRAM_CAS_2_0 (2<<4)
-#define SDRAM_CAS_3_0 (3<<4) /* Optional for DDR 200-333 */
-#define SDRAM_CAS_1_5 (5<<4) /* Optional */
-#define SDRAM_CAS_2_5 (6<<4)
-#define SDRAM_CAS_MASK (7<<4)
-
-#define SDRAM_MODE_NORMAL (0 << 7)
-#define SDRAM_MODE_TEST (1 << 7)
-#define SDRAM_MODE_DLL_RESET (2 << 7)
-
-// Extended Mode Register
-
-#define SDRAM_EXTMODE_DLL_ENABLE (0 << 0)
-#define SDRAM_EXTMODE_DLL_DISABLE (1 << 0)
-
-#define SDRAM_EXTMODE_DRIVE_NORMAL (0 << 1)
-#define SDRAM_EXTMODE_DRIVE_WEAK (1 << 1) /* Optional */
-
-#endif // __SDRAMMODE_H_DEFINED
+/* + * sdram_mode.h: Definitions for SDRAM Mode Register and Extended Mode Register + * + * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 + */ + +#ifndef __SDRAMMODE_H_DEFINED +#define __SDRAMMODE_H_DEFINED + +// SDRAM Mode Register definitions, per JESD79D +// These are transmitted via A0-A13 + +// Burst length +#define SDRAM_BURST_2 (1<<0) +#define SDRAM_BURST_4 (2<<0) +#define SDRAM_BURST_8 (3<<0) + +#define SDRAM_BURST_SEQUENTIAL (0<<3) +#define SDRAM_BURST_INTERLEAVED (1<<3) + +#define SDRAM_CAS_2_0 (2<<4) +#define SDRAM_CAS_3_0 (3<<4) /* Optional for DDR 200-333 */ +#define SDRAM_CAS_1_5 (5<<4) /* Optional */ +#define SDRAM_CAS_2_5 (6<<4) +#define SDRAM_CAS_MASK (7<<4) + +#define SDRAM_MODE_NORMAL (0 << 7) +#define SDRAM_MODE_TEST (1 << 7) +#define SDRAM_MODE_DLL_RESET (2 << 7) + +// Extended Mode Register + +#define SDRAM_EXTMODE_DLL_ENABLE (0 << 0) +#define SDRAM_EXTMODE_DLL_DISABLE (1 << 0) + +#define SDRAM_EXTMODE_DRIVE_NORMAL (0 << 1) +#define SDRAM_EXTMODE_DRIVE_WEAK (1 << 1) /* Optional */ + +#endif // __SDRAMMODE_H_DEFINED diff --git a/src/include/spd.h b/src/include/spd.h index 65ea9d4af5..5fb6468810 100644 --- a/src/include/spd.h +++ b/src/include/spd.h @@ -1,89 +1,81 @@ -/*
- * $Header: /home/cvs/BIR/ca-cpu/freebios/src/include/spd.h,v 1.1 2005/07/11 16:03:54 smagnani Exp $
- *
- * spd.h: Definitions for Serial Presence Detect (SPD) data
- * stored on SDRAM modules
- *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log: spd.h,v $
- * Revision 1.1 2005/07/11 16:03:54 smagnani
- * Initial revision.
- *
- *
- */
-
-#ifndef __SPD_H_DEFINED
-#define __SPD_H_DEFINED
-
-// Byte numbers
-#define SPD_MEMORY_TYPE 2
-#define SPD_NUM_ROWS 3
-#define SPD_NUM_COLUMNS 4
-#define SPD_NUM_DIMM_BANKS 5
-#define SPD_MODULE_DATA_WIDTH_LSB 6
-#define SPD_MODULE_DATA_WIDTH_MSB 7
-#define SPD_MODULE_VOLTAGE 8
-#define SPD_MIN_CYCLE_TIME_AT_CAS_MAX 9
-#define SPD_DIMM_CONFIG_TYPE 11
-#define SPD_REFRESH 12
-#define SPD_PRIMARY_DRAM_WIDTH 13
-#define SPD_SUPPORTED_BURST_LENGTHS 16
-#define SPD_NUM_BANKS_PER_DRAM 17
-#define SPD_ACCEPTABLE_CAS_LATENCIES 18
-#define SPD_MODULE_ATTRIBUTES 21
-#define SPD_MIN_CYCLE_TIME_AT_CAS_REDUCED_05 23
-#define SPD_MIN_CYCLE_TIME_AT_CAS_REDUCED_10 25
-#define SPD_MIN_ROW_PRECHARGE_TIME 27
-#define SPD_MIN_RAS_TO_CAS_DELAY 29
-#define SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY 30
-#define SPD_ADDRESS_CMD_HOLD 33
-
-
-// SPD_MEMORY_TYPE values
-#define MEMORY_TYPE_SDRAM_DDR 7
-
-// SPD_MODULE_VOLTAGE values
-#define SPD_VOLTAGE_SSTL2 4
-
-// SPD_DIMM_CONFIG_TYPE values
-#define ERROR_SCHEME_NONE 0
-#define ERROR_SCHEME_PARITY 1
-#define ERROR_SCHEME_ECC 2
-
-// SPD_ACCEPTABLE_CAS_LATENCIES values
-#define SPD_CAS_LATENCY_1_0 0x01
-#define SPD_CAS_LATENCY_1_5 0x02
-#define SPD_CAS_LATENCY_2_0 0x04
-#define SPD_CAS_LATENCY_2_5 0x08
-#define SPD_CAS_LATENCY_3_0 0x10
-#define SPD_CAS_LATENCY_3_5 0x20
-#define SPD_CAS_LATENCY_4_0 0x40
-
-// SPD_SUPPORTED_BURST_LENGTHS values
-#define SPD_BURST_LENGTH_1 1
-#define SPD_BURST_LENGTH_2 2
-#define SPD_BURST_LENGTH_4 4
-#define SPD_BURST_LENGTH_8 8
-#define SPD_BURST_LENGTH_PAGE (1<<7)
-
-
-// SPD_MODULE_ATTRIBUTES values
-#define MODULE_BUFFERED 1
-#define MODULE_REGISTERED 2
-
-#endif // __SPD_H_DEFINED
+/* + * spd.h: Definitions for Serial Presence Detect (SPD) data + * stored on SDRAM modules + * + * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 + */ + +#ifndef __SPD_H_DEFINED +#define __SPD_H_DEFINED + +// Byte numbers +#define SPD_MEMORY_TYPE 2 +#define SPD_NUM_ROWS 3 +#define SPD_NUM_COLUMNS 4 +#define SPD_NUM_DIMM_BANKS 5 +#define SPD_MODULE_DATA_WIDTH_LSB 6 +#define SPD_MODULE_DATA_WIDTH_MSB 7 +#define SPD_MODULE_VOLTAGE 8 +#define SPD_MIN_CYCLE_TIME_AT_CAS_MAX 9 +#define SPD_DIMM_CONFIG_TYPE 11 +#define SPD_REFRESH 12 +#define SPD_PRIMARY_DRAM_WIDTH 13 +#define SPD_SUPPORTED_BURST_LENGTHS 16 +#define SPD_NUM_BANKS_PER_DRAM 17 +#define SPD_ACCEPTABLE_CAS_LATENCIES 18 +#define SPD_MODULE_ATTRIBUTES 21 +#define SPD_MIN_CYCLE_TIME_AT_CAS_REDUCED_05 23 +#define SPD_MIN_CYCLE_TIME_AT_CAS_REDUCED_10 25 +#define SPD_MIN_ROW_PRECHARGE_TIME 27 +#define SPD_MIN_RAS_TO_CAS_DELAY 29 +#define SPD_MIN_ACTIVE_TO_PRECHARGE_DELAY 30 +#define SPD_ADDRESS_CMD_HOLD 33 + + +// SPD_MEMORY_TYPE values +#define MEMORY_TYPE_SDRAM_DDR 7 + +// SPD_MODULE_VOLTAGE values +#define SPD_VOLTAGE_SSTL2 4 + +// SPD_DIMM_CONFIG_TYPE values +#define ERROR_SCHEME_NONE 0 +#define ERROR_SCHEME_PARITY 1 +#define ERROR_SCHEME_ECC 2 + +// SPD_ACCEPTABLE_CAS_LATENCIES values +#define SPD_CAS_LATENCY_1_0 0x01 +#define SPD_CAS_LATENCY_1_5 0x02 +#define SPD_CAS_LATENCY_2_0 0x04 +#define SPD_CAS_LATENCY_2_5 0x08 +#define SPD_CAS_LATENCY_3_0 0x10 +#define SPD_CAS_LATENCY_3_5 0x20 +#define SPD_CAS_LATENCY_4_0 0x40 + +// SPD_SUPPORTED_BURST_LENGTHS values +#define SPD_BURST_LENGTH_1 1 +#define SPD_BURST_LENGTH_2 2 +#define SPD_BURST_LENGTH_4 4 +#define SPD_BURST_LENGTH_8 8 +#define SPD_BURST_LENGTH_PAGE (1<<7) + + +// SPD_MODULE_ATTRIBUTES values +#define MODULE_BUFFERED 1 +#define MODULE_REGISTERED 2 + +#endif // __SPD_H_DEFINED diff --git a/src/northbridge/intel/e7501/e7501.h b/src/northbridge/intel/e7501/e7501.h index 707f34789d..6418677f07 100644 --- a/src/northbridge/intel/e7501/e7501.h +++ b/src/northbridge/intel/e7501/e7501.h @@ -1,6 +1,4 @@ /* - * $Header$ - * * e7501.h: PCI configuration space for the Intel E7501 memory controller * * Copyright (C) 2005 Digital Design Corporation @@ -18,9 +16,6 @@ * 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 - * - * $Log$ - * */ diff --git a/src/southbridge/intel/i82801ca/cmos_failover.c b/src/southbridge/intel/i82801ca/cmos_failover.c index 6197ef677a..8eb11c3f64 100644 --- a/src/southbridge/intel/i82801ca/cmos_failover.c +++ b/src/southbridge/intel/i82801ca/cmos_failover.c @@ -1,19 +1,19 @@ -//kind of cmos_err for ich3
-
-#include "i82801ca.h"
+//kind of cmos_err for ich3 + +#include "i82801ca.h" static void check_cmos_failed(void) -{
+{ #if HAVE_OPTION_TABLE - uint8_t byte = pci_read_config8(PCI_DEV(0,0x1f,0),GEN_PMCON_3);
+ uint8_t byte = pci_read_config8(PCI_DEV(0,0x1f,0),GEN_PMCON_3); if( byte & RTC_BATTERY_DEAD) { - // Set boot_option and last_boot to 'Fallback',
+ // Set boot_option and last_boot to 'Fallback', // clear reboot_bits byte = cmos_read(RTC_BOOT_BYTE); byte &= 0x0c; byte |= MAX_REBOOT_CNT << 4; cmos_write(byte, RTC_BOOT_BYTE); - }
+ } #endif } diff --git a/src/southbridge/intel/i82801ca/i82801ca.c b/src/southbridge/intel/i82801ca/i82801ca.c index 27432d95fb..11ac82c329 100644 --- a/src/southbridge/intel/i82801ca/i82801ca.c +++ b/src/southbridge/intel/i82801ca/i82801ca.c @@ -7,8 +7,8 @@ void i82801ca_enable(device_t dev) { - unsigned int index = 0;
- uint8_t bHasDisableBit = 0;
+ unsigned int index = 0; + uint8_t bHasDisableBit = 0; uint16_t cur_disable_mask, new_disable_mask; // all 82801ca devices are in bus 0 @@ -19,22 +19,22 @@ void i82801ca_enable(device_t dev) // Calculate disable bit position for specified device:function // NOTE: For ICH-3, only the following devices can be disabled: - // D31:F1, D31:F3, D31:F5, D31:F6,
- // D29:F0, D29:F1, D29:F2
+ // D31:F1, D31:F3, D31:F5, D31:F6, + // D29:F0, D29:F1, D29:F2 if (PCI_SLOT(dev->path.u.pci.devfn) == 31) { - index = PCI_FUNC(dev->path.u.pci.devfn);
-
- if ((index == 1) || (index == 3) || (index == 5) || (index == 6))
- bHasDisableBit = 1;
+ index = PCI_FUNC(dev->path.u.pci.devfn); + + if ((index == 1) || (index == 3) || (index == 5) || (index == 6)) + bHasDisableBit = 1; } else if (PCI_SLOT(dev->path.u.pci.devfn) == 29) { - index = 8 + PCI_FUNC(dev->path.u.pci.devfn);
-
- if (PCI_FUNC(dev->path.u.pci.devfn) < 3)
+ index = 8 + PCI_FUNC(dev->path.u.pci.devfn); + + if (PCI_FUNC(dev->path.u.pci.devfn) < 3) bHasDisableBit = 1; } -
+ if (bHasDisableBit) { cur_disable_mask = pci_read_config16(lpc_dev, FUNC_DIS); new_disable_mask = cur_disable_mask & ~(1<<index); // enable it @@ -43,7 +43,7 @@ void i82801ca_enable(device_t dev) } if (new_disable_mask != cur_disable_mask) { pci_write_config16(lpc_dev, FUNC_DIS, new_disable_mask); - }
+ } } } diff --git a/src/southbridge/intel/i82801ca/i82801ca.h b/src/southbridge/intel/i82801ca/i82801ca.h index a5117f23b6..59056f29df 100644 --- a/src/southbridge/intel/i82801ca/i82801ca.h +++ b/src/southbridge/intel/i82801ca/i82801ca.h @@ -1,10 +1,10 @@ #ifndef I82801CA_H #define I82801CA_H -
-#ifndef __ROMCC__
+ +#ifndef __ROMCC__ #include "chip.h" -extern void i82801ca_enable(device_t dev);
-#endif
+extern void i82801ca_enable(device_t dev); +#endif #define PCI_DMA_CFG 0x90 @@ -26,37 +26,37 @@ extern void i82801ca_enable(device_t dev); #define FUNC_DIS 0xF2 // GEN_PMCON_3 bits -#define RTC_BATTERY_DEAD (1<<2)
-#define RTC_POWER_FAILED (1<<1)
+#define RTC_BATTERY_DEAD (1<<2) +#define RTC_POWER_FAILED (1<<1) #define SLEEP_AFTER_POWER_FAIL (1<<0) -
-/********************************************************************/
-/* IDE Controller */
-/********************************************************************/
-
-// PCI Configuration Space (D31:F1)
-#define IDE_TIM_PRI 0x40 // IDE timings, primary
-#define IDE_TIM_SEC 0x42 // IDE timings, secondary
-
-
-// IDE_TIM bits
-#define IDE_DECODE_ENABLE (1<<15)
-
-/********************************************************************/
-/* SMBus */
-/********************************************************************/
-
-// PCI Configuration Space (D31:F3)
+ +/********************************************************************/ +/* IDE Controller */ +/********************************************************************/ + +// PCI Configuration Space (D31:F1) +#define IDE_TIM_PRI 0x40 // IDE timings, primary +#define IDE_TIM_SEC 0x42 // IDE timings, secondary + + +// IDE_TIM bits +#define IDE_DECODE_ENABLE (1<<15) + +/********************************************************************/ +/* SMBus */ +/********************************************************************/ + +// PCI Configuration Space (D31:F3) #define SMB_BASE 0x20 -#define HOSTC 0x40
-
-// HOSTC bits
-#define I2C_EN (1<<2)
-#define SMB_SMI_EN (1<<1)
-#define HST_EN (1<<0)
+#define HOSTC 0x40 + +// HOSTC bits +#define I2C_EN (1<<2) +#define SMB_SMI_EN (1<<1) +#define HST_EN (1<<0) #define SMBUS_IO_BASE 0x1000 -
+ // I/O registers (relative to SMBUS_IO_BASE) #define SMBHSTSTAT 0 #define SMBHSTCTL 2 @@ -69,7 +69,7 @@ extern void i82801ca_enable(device_t dev); #define SMBSLVDATA 10 #define SMLINK_PIN_CTL 14 #define SMBUS_PIN_CTL 15 -
+ /* Between 1-10 seconds, We should never timeout normally * Longer than this is just painful when a timeout condition occurs. */ diff --git a/src/southbridge/intel/i82801ca/i82801ca_early_smbus.c b/src/southbridge/intel/i82801ca/i82801ca_early_smbus.c index 054af75089..c97dd63e2c 100644 --- a/src/southbridge/intel/i82801ca/i82801ca_early_smbus.c +++ b/src/southbridge/intel/i82801ca/i82801ca_early_smbus.c @@ -1,5 +1,5 @@ #include <device/pci_ids.h> -#include "i82801ca.h"
+#include "i82801ca.h" static void enable_smbus(void) { diff --git a/src/southbridge/intel/i82801ca/i82801ca_ide.c b/src/southbridge/intel/i82801ca/i82801ca_ide.c index 50539fc5f7..38700bd851 100644 --- a/src/southbridge/intel/i82801ca/i82801ca_ide.c +++ b/src/southbridge/intel/i82801ca/i82801ca_ide.c @@ -10,7 +10,7 @@ static void ide_init(struct device *dev) { /* Enable ide devices so the linux ide driver will work */ uint16_t ideTimingConfig; - int enable_primary = 1;
+ int enable_primary = 1; int enable_secondary = 1; ideTimingConfig = pci_read_config16(dev, IDE_TIM_PRI); diff --git a/src/southbridge/intel/i82801ca/i82801ca_lpc.c b/src/southbridge/intel/i82801ca/i82801ca_lpc.c index 306d01a972..99d6803931 100644 --- a/src/southbridge/intel/i82801ca/i82801ca_lpc.c +++ b/src/southbridge/intel/i82801ca/i82801ca_lpc.c @@ -1,7 +1,7 @@ /* * (C) 2003 Linux Networx, SuSE Linux AG * (C) 2004 Tyan Computer - * (c) 2005 Digital Design Corporation
+ * (c) 2005 Digital Design Corporation */ #include <console/console.h> #include <device/device.h> @@ -14,14 +14,14 @@ #include "i82801ca.h" #define NMI_OFF 0 -
-#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL
-#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
-#endif
-
-#define MAINBOARD_POWER_OFF 0
-#define MAINBOARD_POWER_ON 1
-
+ +#ifndef MAINBOARD_POWER_ON_AFTER_POWER_FAIL +#define MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON +#endif + +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 + void i82801ca_enable_ioapic( struct device *dev) { @@ -60,20 +60,20 @@ void i82801ca_enable_serial_irqs( struct device *dev) pci_write_config8(dev, SERIRQ_CNTL, (1 << 7)|(1 << 6)|((21 - 17) << 2)|(0<< 0)); } -//----------------------------------------------------------------------------------
-// Function: i82801ca_lpc_route_dma
+//---------------------------------------------------------------------------------- +// Function: i82801ca_lpc_route_dma // Parameters: dev // mask - identifies whether each channel should be used for PCI DMA // (bit = 0) or LPC DMA (bit = 1). The LSb controls channel 0. -// Channel 4 is not used (reserved).
-// Return Value: None
-// Description: Route all DMA channels to either PCI or LPC.
-//
+// Channel 4 is not used (reserved). +// Return Value: None +// Description: Route all DMA channels to either PCI or LPC. +// void i82801ca_lpc_route_dma( struct device *dev, uint8_t mask) { uint16_t dmaConfig; int channelIndex; -
+ dmaConfig = pci_read_config16(dev, PCI_DMA_CFG); dmaConfig &= 0x300; // Preserve reserved bits for(channelIndex = 0; channelIndex < 8; channelIndex++) { @@ -87,26 +87,26 @@ void i82801ca_lpc_route_dma( struct device *dev, uint8_t mask) void i82801ca_rtc_init(struct device *dev) { uint32_t dword; - int rtc_failed;
- int pwr_on = MAINBOARD_POWER_ON_AFTER_POWER_FAIL;
- uint8_t pmcon3 = pci_read_config8(dev, GEN_PMCON_3);
+ int rtc_failed; + int pwr_on = MAINBOARD_POWER_ON_AFTER_POWER_FAIL; + uint8_t pmcon3 = pci_read_config8(dev, GEN_PMCON_3); rtc_failed = pmcon3 & RTC_BATTERY_DEAD; if (rtc_failed) { // Clear the RTC_BATTERY_DEAD bit, but preserve - // the RTC_POWER_FAILED, G3 state, and reserved bits
+ // the RTC_POWER_FAILED, G3 state, and reserved bits // NOTE: RTC_BATTERY_DEAD and RTC_POWER_FAILED are "write-1-clear" bits pmcon3 &= ~RTC_POWER_FAILED; - }
-
- get_option(&pwr_on, "power_on_after_fail");
- pmcon3 &= ~SLEEP_AFTER_POWER_FAIL;
- if (!pwr_on) {
- pmcon3 |= SLEEP_AFTER_POWER_FAIL;
- }
- pci_write_config8(dev, GEN_PMCON_3, pmcon3);
- printk_info("set power %s after power fail\n",
- pwr_on ? "on" : "off");
+ } + + get_option(&pwr_on, "power_on_after_fail"); + pmcon3 &= ~SLEEP_AFTER_POWER_FAIL; + if (!pwr_on) { + pmcon3 |= SLEEP_AFTER_POWER_FAIL; + } + pci_write_config8(dev, GEN_PMCON_3, pmcon3); + printk_info("set power %s after power fail\n", + pwr_on ? "on" : "off"); // See if the Safe Mode jumper is set dword = pci_read_config32(dev, GEN_STS); @@ -142,14 +142,14 @@ void i82801ca_1f0_misc(struct device *dev) // Enable access to the upper 128 byte bank of CMOS RAM pci_write_config8(dev, RTC_CONF, 0x04); - // Decode 0x3F8-0x3FF (COM1) for COMA port,
+ // Decode 0x3F8-0x3FF (COM1) for COMA port, // 0x2F8-0x2FF (COM2) for COMB pci_write_config8(dev, COM_DEC, 0x10); -
- // LPT decode defaults to 0x378-0x37F and 0x778-0x77F
- // Floppy decode defaults to 0x3F0-0x3F5, 0x3F7
- // Enable COMA, COMB, LPT, floppy;
+ // LPT decode defaults to 0x378-0x37F and 0x778-0x77F + // Floppy decode defaults to 0x3F0-0x3F5, 0x3F7 + + // Enable COMA, COMB, LPT, floppy; // disable microcontroller, Super I/O, sound, gameport pci_write_config16(dev, LPC_EN, 0x000F); } @@ -179,18 +179,18 @@ static void lpc_init(struct device *dev) pci_write_config8(dev, GEN_PMCON_3, byte); printk_info("set power %s after power fail\n", pwr_on?"on":"off"); - /* Set up NMI on errors */
- byte = inb(0x61);
- byte &= ~(1 << 3); /* IOCHK# NMI Enable */
- byte &= ~(1 << 2); /* PCI SERR# Enable */
- outb(byte, 0x61);
- byte = inb(0x70);
- nmi_option = NMI_OFF;
- get_option(&nmi_option, "nmi");
- if (nmi_option) {
- byte &= ~(1 << 7); /* set NMI */
- outb(byte, 0x70);
- }
+ /* Set up NMI on errors */ + byte = inb(0x61); + byte &= ~(1 << 3); /* IOCHK# NMI Enable */ + byte &= ~(1 << 2); /* PCI SERR# Enable */ + outb(byte, 0x61); + byte = inb(0x70); + nmi_option = NMI_OFF; + get_option(&nmi_option, "nmi"); + if (nmi_option) { + byte &= ~(1 << 7); /* set NMI */ + outb(byte, 0x70); + } /* Initialize the real time clock */ i82801ca_rtc_init(dev); diff --git a/src/southbridge/intel/i82801ca/i82801ca_smbus.c b/src/southbridge/intel/i82801ca/i82801ca_smbus.c index ab95e69e70..0eceba7103 100644 --- a/src/southbridge/intel/i82801ca/i82801ca_smbus.c +++ b/src/southbridge/intel/i82801ca/i82801ca_smbus.c @@ -1,7 +1,7 @@ #include <smbus.h> #include <pci.h> #include <arch/io.h> -#include "i82801ca.h"
+#include "i82801ca.h" #define PM_BUS 0 #define PM_DEVFN PCI_DEVFN(0x1f,3) @@ -9,7 +9,7 @@ void smbus_enable(void) { /* iobase addr */ - pcibios_write_config_dword(PM_BUS, PM_DEVFN, SMB_BASE,
+ pcibios_write_config_dword(PM_BUS, PM_DEVFN, SMB_BASE, SMBUS_IO_BASE | PCI_BASE_ADDRESS_SPACE_IO); /* smbus enable */ pcibios_write_config_byte(PM_BUS, PM_DEVFN, HOSTC, HST_EN); diff --git a/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c b/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c index 49ec2c47f8..39444c0d02 100644 --- a/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c +++ b/src/superio/smsc/lpc47b272/lpc47b272_early_serial.c @@ -1,62 +1,57 @@ -/*
- * $Header$
- *
- * lpc47b272_early_serial.c: Pre-RAM driver for SMSC LPC47B272 Super I/O chip
- *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log$
- *
- */
+/* + * lpc47b272_early_serial.c: Pre-RAM driver for SMSC LPC47B272 Super I/O chip + * + * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 "lpc47b272.h" -//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Enable access to the LPC47B272's configuration registers.
-//
+//---------------------------------------------------------------------------------- +// Function: pnp_enter_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Enable access to the LPC47B272's configuration registers. +// static inline void pnp_enter_conf_state(device_t dev) { unsigned port = dev>>8; outb(0x55, port); -}
+} -//----------------------------------------------------------------------------------
-// Function: pnp_exit_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Disable access to the LPC47B272's configuration registers.
-//
+//---------------------------------------------------------------------------------- +// Function: pnp_exit_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Disable access to the LPC47B272's configuration registers. +// static void pnp_exit_conf_state(device_t dev) { unsigned port = dev>>8; outb(0xaa, port); } -//----------------------------------------------------------------------------------
-// Function: lpc47b272_enable_serial
-// Parameters: dev - high 8 bits = Super I/O port,
-// low 8 bits = logical device number (per lpc47b272.h)
-// iobase - processor I/O port address to assign to this serial device
-// Return Value: bool
-// Description: Configure the base I/O port of the specified serial device
-// and enable the serial device.
-//
+//---------------------------------------------------------------------------------- +// Function: lpc47b272_enable_serial +// Parameters: dev - high 8 bits = Super I/O port, +// low 8 bits = logical device number (per lpc47b272.h) +// iobase - processor I/O port address to assign to this serial device +// Return Value: bool +// Description: Configure the base I/O port of the specified serial device +// and enable the serial device. +// static void lpc47b272_enable_serial(device_t dev, unsigned iobase) { pnp_enter_conf_state(dev); diff --git a/src/superio/smsc/lpc47b272/superio.c b/src/superio/smsc/lpc47b272/superio.c index 674fbdcfe4..c3d4f9a929 100644 --- a/src/superio/smsc/lpc47b272/superio.c +++ b/src/superio/smsc/lpc47b272/superio.c @@ -1,30 +1,25 @@ -/*
- * $Header$
- *
- * superio.c: RAM driver for SMSC LPC47B272 Super I/O chip
- *
+/* + * superio.c: RAM driver for SMSC LPC47B272 Super I/O chip + * * Copyright 2000 AG Electronics Ltd. * Copyright 2003-2004 Linux Networx * Copyright 2004 Tyan - * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log$
- *
- */
+ * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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> @@ -38,16 +33,16 @@ #include "chip.h" #include "lpc47b272.h" -// Forward declarations
-static void enable_dev(device_t dev);
+// Forward declarations +static void enable_dev(device_t dev); void lpc47b272_pnp_set_resources(device_t dev); void lpc47b272_pnp_set_resources(device_t dev); void lpc47b272_pnp_enable_resources(device_t dev); void lpc47b272_pnp_enable(device_t dev); static void lpc47b272_init(device_t dev); -static void pnp_enter_conf_state(device_t dev);
-static void pnp_exit_conf_state(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); @@ -73,30 +68,30 @@ static struct pnp_info pnp_dev_info[] = { { &ops, LPC47B272_RT, PNP_IO0, { 0x780, 0 }, }, }; -/**********************************************************************************/
-/* PUBLIC INTERFACE */
-/**********************************************************************************/
-
-//----------------------------------------------------------------------------------
-// Function: enable_dev
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Create device structures and allocate resources to devices
-// specified in the pnp_dev_info array (above).
-//
-static void enable_dev(device_t dev)
-{
- pnp_enable_devices(dev, &pnp_ops,
- sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]),
- pnp_dev_info);
-}
- -//----------------------------------------------------------------------------------
-// Function: lpc47b272_pnp_set_resources
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Configure the specified Super I/O device with the resources
-// (I/O space, etc.) that have been allocated for it.
+/**********************************************************************************/ +/* PUBLIC INTERFACE */ +/**********************************************************************************/ + +//---------------------------------------------------------------------------------- +// Function: enable_dev +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Create device structures and allocate resources to devices +// specified in the pnp_dev_info array (above). +// +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &pnp_ops, + sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), + pnp_dev_info); +} + +//---------------------------------------------------------------------------------- +// Function: lpc47b272_pnp_set_resources +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Configure the specified Super I/O device with the resources +// (I/O space, etc.) that have been allocated for it. // void lpc47b272_pnp_set_resources(device_t dev) { @@ -126,14 +121,14 @@ void lpc47b272_pnp_enable(device_t dev) pnp_exit_conf_state(dev); } -//----------------------------------------------------------------------------------
-// Function: lpc47b272_init
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Initialize the specified Super I/O device.
+//---------------------------------------------------------------------------------- +// Function: lpc47b272_init +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: 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.
-//
+// ignored. For COM ports, we configure the baud rate. +// static void lpc47b272_init(device_t dev) { struct superio_smsc_lpc47b272_config *conf = dev->chip_info; @@ -160,68 +155,68 @@ static void lpc47b272_init(device_t dev) break; } } -
-/**********************************************************************************/
-/* PRIVATE FUNCTIONS */
-/**********************************************************************************/
- -//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Enable access to the LPC47B272's configuration registers.
-//
-static void pnp_enter_conf_state(device_t dev)
+ +/**********************************************************************************/ +/* PRIVATE FUNCTIONS */ +/**********************************************************************************/ + +//---------------------------------------------------------------------------------- +// Function: pnp_enter_conf_state +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Enable access to the LPC47B272's configuration registers. +// +static void pnp_enter_conf_state(device_t dev) { outb(0x55, dev->path.u.pnp.port); -}
- -//----------------------------------------------------------------------------------
-// Function: pnp_exit_conf_state
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Disable access to the LPC47B272's configuration registers.
-//
-static void pnp_exit_conf_state(device_t dev)
+} + +//---------------------------------------------------------------------------------- +// Function: pnp_exit_conf_state +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Disable access to the LPC47B272's configuration registers. +// +static void pnp_exit_conf_state(device_t dev) { outb(0xaa, dev->path.u.pnp.port); } #if 0 -//----------------------------------------------------------------------------------
-// Function: dump_pnp_device
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Print the values of all of the LPC47B272's configuration registers.
-// NOTE: The LPC47B272 must be in configuration mode when this
-// function is called.
-//
+//---------------------------------------------------------------------------------- +// Function: dump_pnp_device +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Print the values of all of the LPC47B272's configuration registers. +// NOTE: The LPC47B272 must be in configuration mode when this +// function is called. +// static void dump_pnp_device(device_t dev) { int register_index; print_debug("\r\n"); for(register_index = 0; register_index <= LPC47B272_MAX_CONFIG_REGISTER; register_index++) { - uint8_t register_value;
+ uint8_t register_value; if ((register_index & 0x0f) == 0) { print_debug_hex8(register_index); print_debug_char(':'); - }
-
+ } + // Skip over 'register' that would cause exit from configuration mode if (register_index == 0xaa) - register_value = 0xaa;
+ register_value = 0xaa; else - register_value = pnp_read_config(dev, register_index);
-
+ register_value = pnp_read_config(dev, register_index); + print_debug_char(' '); print_debug_hex8(register_value); if ((register_index & 0x0f) == 0x0f) { print_debug("\r\n"); } - }
-
- print_debug("\r\n");
+ } + + print_debug("\r\n"); } #endif diff --git a/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c b/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c index 013453a9f4..70f7b20174 100644 --- a/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c +++ b/src/superio/smsc/lpc47m10x/lpc47m10x_early_serial.c @@ -1,63 +1,58 @@ -/*
- * $Header$
- *
- * lpc47m10x_early_serial.c: Pre-RAM driver for SMSC LPC47M10X2 Super I/O chip
+/* + * lpc47m10x_early_serial.c: Pre-RAM driver for SMSC LPC47M10X2 Super I/O chip * derived from lpc47n217 - *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log$
- *
- */
+ * + * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 "lpc47m10x.h" -//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Enable access to the LPC47M10X2's configuration registers.
-//
+//---------------------------------------------------------------------------------- +// Function: pnp_enter_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Enable access to the LPC47M10X2's configuration registers. +// static inline void pnp_enter_conf_state(device_t dev) { unsigned port = dev>>8; outb(0x55, port); -}
+} -//----------------------------------------------------------------------------------
-// Function: pnp_exit_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Disable access to the LPC47M10X2's configuration registers.
-//
+//---------------------------------------------------------------------------------- +// Function: pnp_exit_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Disable access to the LPC47M10X2's configuration registers. +// static void pnp_exit_conf_state(device_t dev) { unsigned port = dev>>8; outb(0xaa, port); } -//----------------------------------------------------------------------------------
-// Function: lpc47b272_enable_serial
-// Parameters: dev - high 8 bits = Super I/O port,
-// low 8 bits = logical device number (per lpc47b272.h)
-// iobase - processor I/O port address to assign to this serial device
-// Return Value: bool
-// Description: Configure the base I/O port of the specified serial device
-// and enable the serial device.
-//
+//---------------------------------------------------------------------------------- +// Function: lpc47b272_enable_serial +// Parameters: dev - high 8 bits = Super I/O port, +// low 8 bits = logical device number (per lpc47b272.h) +// iobase - processor I/O port address to assign to this serial device +// Return Value: bool +// Description: Configure the base I/O port of the specified serial device +// and enable the serial device. +// static void lpc47b272_enable_serial(device_t dev, unsigned iobase) { pnp_enter_conf_state(dev); diff --git a/src/superio/smsc/lpc47m10x/superio.c b/src/superio/smsc/lpc47m10x/superio.c index 05449bd97d..d808514bec 100644 --- a/src/superio/smsc/lpc47m10x/superio.c +++ b/src/superio/smsc/lpc47m10x/superio.c @@ -1,6 +1,4 @@ /* - * $Header$ - * * superio.c: RAM driver for SMSC LPC47M10X2 Super I/O chip * * Copyright 2000 AG Electronics Ltd. @@ -22,9 +20,6 @@ * 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 - * - * $Log$ - * */ #include <arch/io.h> diff --git a/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c b/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c index d3be378065..ae7c2a73a5 100644 --- a/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c +++ b/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c @@ -1,155 +1,147 @@ -/*
- * $Header: /home/cvs/BIR/ca-cpu/freebios/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c,v 1.1.1.1 2005/07/11 15:28:51 smagnani Exp $
- *
- * lpc47n217_early_serial.c: Pre-RAM driver for SMSC LPC47N217 Super I/O chip
- *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log: lpc47n217_early_serial.c,v $
- * Revision 1.1.1.1 2005/07/11 15:28:51 smagnani
- * Initial revision.
- *
- *
- */
-
-#include <arch/romcc_io.h>
-#include <assert.h>
-#include "lpc47n217.h"
-
-//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Enable access to the LPC47N217's configuration registers.
-//
-static inline void pnp_enter_conf_state(device_t dev) {
- unsigned port = dev>>8;
- outb(0x55, port);
-}
-
-//----------------------------------------------------------------------------------
-// Function: pnp_exit_conf_state
-// Parameters: dev - high 8 bits = Super I/O port
-// Return Value: None
-// Description: Disable access to the LPC47N217's configuration registers.
-//
-static void pnp_exit_conf_state(device_t dev) {
- unsigned port = dev>>8;
- outb(0xaa, port);
-}
-
-//----------------------------------------------------------------------------------
-// Function: lpc47n217_pnp_set_iobase
-// Parameters: dev - high 8 bits = Super I/O port,
-// low 8 bits = logical device number (per lpc47n217.h)
-// iobase - base I/O port for the logical device
-// Return Value: None
-// Description: Program the base I/O port for the specified logical device.
-//
-void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase)
-{
- // LPC47N217 requires base ports to be a multiple of 4
- ASSERT(!(iobase & 0x3));
-
- switch(dev & 0xFF) {
- case LPC47N217_PP:
- pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff);
- break;
-
- case LPC47N217_SP1:
- pnp_write_config(dev, 0x24, (iobase >> 2) & 0xff);
- break;
-
- case LPC47N217_SP2:
- pnp_write_config(dev, 0x25, (iobase >> 2) & 0xff);
- break;
-
- default:
- break;
- }
-}
-
-//----------------------------------------------------------------------------------
-// Function: lpc47n217_pnp_set_enable
-// Parameters: dev - high 8 bits = Super I/O port,
-// low 8 bits = logical device number (per lpc47n217.h)
-// enable - 0 to disable, anythig else to enable
-// Return Value: None
-// Description: Enable or disable the specified logical device.
-// Technically, a full disable requires setting the device's base
-// I/O port below 0x100. We don't do that here, because we don't
-// have access to a data structure that specifies what the 'real'
-// base port is (when asked to enable the device). Also the function
-// is used only to disable the device while its true base port is
-// programmed (see lpc47n217_enable_serial() below).
-//
-void lpc47n217_pnp_set_enable(device_t dev, int enable)
-{
- uint8_t power_register = 0;
- uint8_t power_mask = 0;
- uint8_t current_power;
- uint8_t new_power;
-
- switch(dev & 0xFF) {
- case LPC47N217_PP:
- power_register = 0x01;
- power_mask = 0x04;
- break;
-
- case LPC47N217_SP1:
- power_register = 0x02;
- power_mask = 0x08;
- break;
-
- case LPC47N217_SP2:
- power_register = 0x02;
- power_mask = 0x80;
- break;
-
- default:
- return;
- }
-
- current_power = pnp_read_config(dev, power_register);
- new_power = current_power & ~power_mask; // disable by default
-
- if (enable)
- new_power |= power_mask; // Enable
-
- pnp_write_config(dev, power_register, new_power);
-}
-
-//----------------------------------------------------------------------------------
-// Function: lpc47n217_enable_serial
-// Parameters: dev - high 8 bits = Super I/O port,
-// low 8 bits = logical device number (per lpc47n217.h)
-// iobase - processor I/O port address to assign to this serial device
-// Return Value: bool
-// Description: Configure the base I/O port of the specified serial device
-// and enable the serial device.
-//
-static void lpc47n217_enable_serial(device_t dev, unsigned iobase)
-{
- // NOTE: Cannot use pnp_set_XXX() here because they assume chip
- // support for logical devices, which the LPC47N217 doesn't have
-
- pnp_enter_conf_state(dev);
- lpc47n217_pnp_set_enable(dev, 0);
- lpc47n217_pnp_set_iobase(dev, iobase);
- lpc47n217_pnp_set_enable(dev, 1);
- pnp_exit_conf_state(dev);
-}
+/* + * lpc47n217_early_serial.c: Pre-RAM driver for SMSC LPC47N217 Super I/O chip + * + * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <assert.h> +#include "lpc47n217.h" + +//---------------------------------------------------------------------------------- +// Function: pnp_enter_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Enable access to the LPC47N217's configuration registers. +// +static inline void pnp_enter_conf_state(device_t dev) { + unsigned port = dev>>8; + outb(0x55, port); +} + +//---------------------------------------------------------------------------------- +// Function: pnp_exit_conf_state +// Parameters: dev - high 8 bits = Super I/O port +// Return Value: None +// Description: Disable access to the LPC47N217's configuration registers. +// +static void pnp_exit_conf_state(device_t dev) { + unsigned port = dev>>8; + outb(0xaa, port); +} + +//---------------------------------------------------------------------------------- +// Function: lpc47n217_pnp_set_iobase +// Parameters: dev - high 8 bits = Super I/O port, +// low 8 bits = logical device number (per lpc47n217.h) +// iobase - base I/O port for the logical device +// Return Value: None +// Description: Program the base I/O port for the specified logical device. +// +void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase) +{ + // LPC47N217 requires base ports to be a multiple of 4 + ASSERT(!(iobase & 0x3)); + + switch(dev & 0xFF) { + case LPC47N217_PP: + pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff); + break; + + case LPC47N217_SP1: + pnp_write_config(dev, 0x24, (iobase >> 2) & 0xff); + break; + + case LPC47N217_SP2: + pnp_write_config(dev, 0x25, (iobase >> 2) & 0xff); + break; + + default: + break; + } +} + +//---------------------------------------------------------------------------------- +// Function: lpc47n217_pnp_set_enable +// Parameters: dev - high 8 bits = Super I/O port, +// low 8 bits = logical device number (per lpc47n217.h) +// enable - 0 to disable, anythig else to enable +// Return Value: None +// Description: Enable or disable the specified logical device. +// Technically, a full disable requires setting the device's base +// I/O port below 0x100. We don't do that here, because we don't +// have access to a data structure that specifies what the 'real' +// base port is (when asked to enable the device). Also the function +// is used only to disable the device while its true base port is +// programmed (see lpc47n217_enable_serial() below). +// +void lpc47n217_pnp_set_enable(device_t dev, int enable) +{ + uint8_t power_register = 0; + uint8_t power_mask = 0; + uint8_t current_power; + uint8_t new_power; + + switch(dev & 0xFF) { + case LPC47N217_PP: + power_register = 0x01; + power_mask = 0x04; + break; + + case LPC47N217_SP1: + power_register = 0x02; + power_mask = 0x08; + break; + + case LPC47N217_SP2: + power_register = 0x02; + power_mask = 0x80; + break; + + default: + return; + } + + current_power = pnp_read_config(dev, power_register); + new_power = current_power & ~power_mask; // disable by default + + if (enable) + new_power |= power_mask; // Enable + + pnp_write_config(dev, power_register, new_power); +} + +//---------------------------------------------------------------------------------- +// Function: lpc47n217_enable_serial +// Parameters: dev - high 8 bits = Super I/O port, +// low 8 bits = logical device number (per lpc47n217.h) +// iobase - processor I/O port address to assign to this serial device +// Return Value: bool +// Description: Configure the base I/O port of the specified serial device +// and enable the serial device. +// +static void lpc47n217_enable_serial(device_t dev, unsigned iobase) +{ + // NOTE: Cannot use pnp_set_XXX() here because they assume chip + // support for logical devices, which the LPC47N217 doesn't have + + pnp_enter_conf_state(dev); + lpc47n217_pnp_set_enable(dev, 0); + lpc47n217_pnp_set_iobase(dev, iobase); + lpc47n217_pnp_set_enable(dev, 1); + pnp_exit_conf_state(dev); +} diff --git a/src/superio/smsc/lpc47n217/superio.c b/src/superio/smsc/lpc47n217/superio.c index 362f257fac..419b3babeb 100644 --- a/src/superio/smsc/lpc47n217/superio.c +++ b/src/superio/smsc/lpc47n217/superio.c @@ -1,394 +1,386 @@ -/*
- * $Header: /home/cvs/BIR/ca-cpu/freebios/src/superio/smsc/lpc47n217/superio.c,v 1.1.1.1 2005/07/11 15:28:51 smagnani Exp $
- *
- * superio.c: RAM-based driver for SMSC LPC47N217 Super I/O chip
- *
- * Based on LinuxBIOS code for SMSC 47B397:
- * Copyright 2000 AG Electronics Ltd.
- * Copyright 2003-2004 Linux Networx
- * Copyright 2004 Tyan
- *
- * Copyright (C) 2005 Digital Design Corporation
- *
- * 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- * $Log: superio.c,v $
- * Revision 1.1.1.1 2005/07/11 15:28:51 smagnani
- * Initial revision.
- *
- *
- */
-
-#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 <assert.h>
-#include "chip.h"
-#include "lpc47n217.h"
-
-// Forward declarations
-static void enable_dev(device_t dev);
-void lpc47n217_pnp_set_resources(device_t dev);
-void lpc47n217_pnp_enable_resources(device_t dev);
-void lpc47n217_pnp_enable(device_t dev);
-static void lpc47n217_init(device_t dev);
-
-static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource);
-void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase);
-void lpc47n217_pnp_set_drq(device_t dev, unsigned drq);
-void lpc47n217_pnp_set_irq(device_t dev, unsigned irq);
-void lpc47n217_pnp_set_enable(device_t dev, int enable);
-
-static void pnp_enter_conf_state(device_t dev);
-static void pnp_exit_conf_state(device_t dev);
-
-
-struct chip_operations superio_smsc_lpc47n217_ops = {
- CHIP_NAME("smsc lpc47n217")
- .enable_dev = enable_dev,
-};
-
-static struct device_operations ops = {
- .read_resources = pnp_read_resources,
- .set_resources = lpc47n217_pnp_set_resources,
- .enable_resources = lpc47n217_pnp_enable_resources,
- .enable = lpc47n217_pnp_enable,
- .init = lpc47n217_init,
-};
-
-static struct pnp_info pnp_dev_info[] = {
- { &ops, LPC47N217_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
- { &ops, LPC47N217_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
- { &ops, LPC47N217_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }
-};
-
-/**********************************************************************************/
-/* PUBLIC INTERFACE */
-/**********************************************************************************/
-
-//----------------------------------------------------------------------------------
-// Function: enable_dev
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Create device structures and allocate resources to devices
-// specified in the pnp_dev_info array (above).
-//
-static void enable_dev(device_t dev)
-{
- pnp_enable_devices(dev, &pnp_ops,
- sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]),
- pnp_dev_info);
-}
-
-//----------------------------------------------------------------------------------
-// Function: lpc47n217_pnp_set_resources
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Configure the specified Super I/O device with the resources
-// (I/O space, etc.) that have been allocate for it.
-//
-void lpc47n217_pnp_set_resources(device_t dev)
-{
- int i;
-
- pnp_enter_conf_state(dev);
-
- // NOTE: Cannot use pnp_set_resources() here because it assumes chip
- // support for logical devices, which the LPC47N217 doesn't have
- for(i = 0; i < dev->resources; i++)
- lpc47n217_pnp_set_resource(dev, &dev->resource[i]);
-
-// dump_pnp_device(dev);
-
- pnp_exit_conf_state(dev);
-}
-
-void lpc47n217_pnp_enable_resources(device_t dev)
-{
- pnp_enter_conf_state(dev);
-
- // NOTE: Cannot use pnp_enable_resources() here because it assumes chip
- // support for logical devices, which the LPC47N217 doesn't have
- lpc47n217_pnp_set_enable(dev, 1);
-
- pnp_exit_conf_state(dev);
-}
-
-void lpc47n217_pnp_enable(device_t dev)
-{
- pnp_enter_conf_state(dev);
-
- // NOTE: Cannot use pnp_set_enable() here because it assumes chip
- // support for logical devices, which the LPC47N217 doesn't have
-
- if(dev->enabled) {
- lpc47n217_pnp_set_enable(dev, 1);
- }
- else {
- lpc47n217_pnp_set_enable(dev, 0);
- }
-
- pnp_exit_conf_state(dev);
-}
-
-//----------------------------------------------------------------------------------
-// Function: lpc47n217_init
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Initialize the specified Super I/O device.
-// Devices other than COM ports are ignored.
-// For COM ports, we configure the baud rate.
-//
-static void lpc47n217_init(device_t dev)
-{
- struct superio_smsc_lpc47n217_config* conf = dev->chip_info;
- struct resource *res0;
-
- if (!dev->enabled)
- return;
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_SP1:
- res0 = find_resource(dev, PNP_IDX_IO0);
- init_uart8250(res0->base, &conf->com1);
- break;
-
- case LPC47N217_SP2:
- res0 = find_resource(dev, PNP_IDX_IO0);
- init_uart8250(res0->base, &conf->com2);
- break;
- }
-}
-
-
-/**********************************************************************************/
-/* PRIVATE FUNCTIONS */
-/**********************************************************************************/
-
-static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource)
-{
- if (!(resource->flags & IORESOURCE_ASSIGNED)) {
- printk_err("ERROR: %s %02x not allocated\n",
- dev_path(dev), resource->index);
- return;
- }
-
- /* Now store the resource */
- // NOTE: Cannot use pnp_set_XXX() here because they assume chip
- // support for logical devices, which the LPC47N217 doesn't have
-
- if (resource->flags & IORESOURCE_IO) {
- lpc47n217_pnp_set_iobase(dev, resource->base);
- }
- else if (resource->flags & IORESOURCE_DRQ) {
- lpc47n217_pnp_set_drq(dev, resource->base);
- }
- else if (resource->flags & IORESOURCE_IRQ) {
- lpc47n217_pnp_set_irq(dev, resource->base);
- }
- else {
- printk_err("ERROR: %s %02x unknown resource type\n",
- dev_path(dev), resource->index);
- return;
- }
- resource->flags |= IORESOURCE_STORED;
-
- report_resource_stored(dev, resource, "");
-}
-
-void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase)
-{
- ASSERT(!(iobase & 0x3));
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_PP:
- pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff);
- break;
-
- case LPC47N217_SP1:
- pnp_write_config(dev, 0x24, (iobase >> 2) & 0xff);
- break;
-
- case LPC47N217_SP2:
- pnp_write_config(dev, 0x25, (iobase >> 2) & 0xff);
- break;
-
- default:
- BUG();
- break;
- }
-}
-
-void lpc47n217_pnp_set_drq(device_t dev, unsigned drq)
-{
- if (dev->path.u.pnp.device == LPC47N217_PP) {
- const uint8_t PP_DMA_MASK = 0x0F;
- const uint8_t PP_DMA_SELECTION_REGISTER = 0x26;
- uint8_t current_config = pnp_read_config(dev, PP_DMA_SELECTION_REGISTER);
- uint8_t new_config;
-
- ASSERT(!(drq & ~PP_DMA_MASK)); // DRQ out of range??
- new_config = (current_config & ~PP_DMA_MASK) | drq;
- pnp_write_config(dev, PP_DMA_SELECTION_REGISTER, new_config);
- } else {
- BUG();
- }
-}
-
-void lpc47n217_pnp_set_irq(device_t dev, unsigned irq)
-{
- uint8_t irq_config_register = 0;
- uint8_t irq_config_mask = 0;
- uint8_t current_config;
- uint8_t new_config;
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_PP:
- irq_config_register = 0x27;
- irq_config_mask = 0x0F;
- break;
-
- case LPC47N217_SP1:
- irq_config_register = 0x28;
- irq_config_mask = 0xF0;
- irq <<= 4;
- break;
-
- case LPC47N217_SP2:
- irq_config_register = 0x28;
- irq_config_mask = 0x0F;
- break;
-
- default:
- BUG();
- return;
- }
-
- ASSERT(!(irq & ~irq_config_mask)); // IRQ out of range??
-
- current_config = pnp_read_config(dev, irq_config_register);
- new_config = (current_config & ~irq_config_mask) | irq;
- pnp_write_config(dev, irq_config_register, new_config);
-}
-
-void lpc47n217_pnp_set_enable(device_t dev, int enable)
-{
- uint8_t power_register = 0;
- uint8_t power_mask = 0;
- uint8_t current_power;
- uint8_t new_power;
-
- switch(dev->path.u.pnp.device) {
- case LPC47N217_PP:
- power_register = 0x01;
- power_mask = 0x04;
- break;
-
- case LPC47N217_SP1:
- power_register = 0x02;
- power_mask = 0x08;
- break;
-
- case LPC47N217_SP2:
- power_register = 0x02;
- power_mask = 0x80;
- break;
-
- default:
- BUG();
- return;
- }
-
- current_power = pnp_read_config(dev, power_register);
- new_power = current_power & ~power_mask; // disable by default
-
- if (enable) {
- struct resource* ioport_resource = find_resource(dev, PNP_IDX_IO0);
- lpc47n217_pnp_set_iobase(dev, ioport_resource->base);
-
- new_power |= power_mask; // Enable
-
- } else {
- lpc47n217_pnp_set_iobase(dev, 0);
- }
- pnp_write_config(dev, power_register, new_power);
-}
-
-
-//----------------------------------------------------------------------------------
-// Function: pnp_enter_conf_state
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Enable access to the LPC47N217's configuration registers.
-//
-static void pnp_enter_conf_state(device_t dev)
-{
- outb(0x55, dev->path.u.pnp.port);
-}
-
-//----------------------------------------------------------------------------------
-// Function: pnp_exit_conf_state
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Disable access to the LPC47N217's configuration registers.
-//
-static void pnp_exit_conf_state(device_t dev)
-{
- outb(0xaa, dev->path.u.pnp.port);
-}
-
-#if 0
-//----------------------------------------------------------------------------------
-// Function: dump_pnp_device
-// Parameters: dev - pointer to structure describing a Super I/O device
-// Return Value: None
-// Description: Print the values of all of the LPC47N217's configuration registers.
-// NOTE: The LPC47N217 must be in configuration mode when this
-// function is called.
-//
-static void dump_pnp_device(device_t dev)
-{
- int register_index;
- print_debug("\r\n");
-
- for(register_index = 0; register_index <= LPC47N217_MAX_CONFIG_REGISTER; register_index++) {
- uint8_t register_value;
-
- if ((register_index & 0x0f) == 0) {
- print_debug_hex8(register_index);
- print_debug_char(':');
- }
-
- // Skip over 'register' that would cause exit from configuration mode
- if (register_index == 0xaa)
- register_value = 0xaa;
- else
- register_value = pnp_read_config(dev, register_index);
-
- print_debug_char(' ');
- print_debug_hex8(register_value);
- if ((register_index & 0x0f) == 0x0f) {
- print_debug("\r\n");
- }
- }
-
- print_debug("\r\n");
-}
-#endif
+/* + * superio.c: RAM-based driver for SMSC LPC47N217 Super I/O chip + * + * Based on LinuxBIOS code for SMSC 47B397: + * Copyright 2000 AG Electronics Ltd. + * Copyright 2003-2004 Linux Networx + * Copyright 2004 Tyan + * + * Copyright (C) 2005 Digital Design Corporation + * + * 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 <assert.h> +#include "chip.h" +#include "lpc47n217.h" + +// Forward declarations +static void enable_dev(device_t dev); +void lpc47n217_pnp_set_resources(device_t dev); +void lpc47n217_pnp_enable_resources(device_t dev); +void lpc47n217_pnp_enable(device_t dev); +static void lpc47n217_init(device_t dev); + +static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource); +void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase); +void lpc47n217_pnp_set_drq(device_t dev, unsigned drq); +void lpc47n217_pnp_set_irq(device_t dev, unsigned irq); +void lpc47n217_pnp_set_enable(device_t dev, int enable); + +static void pnp_enter_conf_state(device_t dev); +static void pnp_exit_conf_state(device_t dev); + + +struct chip_operations superio_smsc_lpc47n217_ops = { + CHIP_NAME("smsc lpc47n217") + .enable_dev = enable_dev, +}; + +static struct device_operations ops = { + .read_resources = pnp_read_resources, + .set_resources = lpc47n217_pnp_set_resources, + .enable_resources = lpc47n217_pnp_enable_resources, + .enable = lpc47n217_pnp_enable, + .init = lpc47n217_init, +}; + +static struct pnp_info pnp_dev_info[] = { + { &ops, LPC47N217_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, }, + { &ops, LPC47N217_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, }, + { &ops, LPC47N217_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, } +}; + +/**********************************************************************************/ +/* PUBLIC INTERFACE */ +/**********************************************************************************/ + +//---------------------------------------------------------------------------------- +// Function: enable_dev +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Create device structures and allocate resources to devices +// specified in the pnp_dev_info array (above). +// +static void enable_dev(device_t dev) +{ + pnp_enable_devices(dev, &pnp_ops, + sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), + pnp_dev_info); +} + +//---------------------------------------------------------------------------------- +// Function: lpc47n217_pnp_set_resources +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Configure the specified Super I/O device with the resources +// (I/O space, etc.) that have been allocate for it. +// +void lpc47n217_pnp_set_resources(device_t dev) +{ + int i; + + pnp_enter_conf_state(dev); + + // NOTE: Cannot use pnp_set_resources() here because it assumes chip + // support for logical devices, which the LPC47N217 doesn't have + for(i = 0; i < dev->resources; i++) + lpc47n217_pnp_set_resource(dev, &dev->resource[i]); + +// dump_pnp_device(dev); + + pnp_exit_conf_state(dev); +} + +void lpc47n217_pnp_enable_resources(device_t dev) +{ + pnp_enter_conf_state(dev); + + // NOTE: Cannot use pnp_enable_resources() here because it assumes chip + // support for logical devices, which the LPC47N217 doesn't have + lpc47n217_pnp_set_enable(dev, 1); + + pnp_exit_conf_state(dev); +} + +void lpc47n217_pnp_enable(device_t dev) +{ + pnp_enter_conf_state(dev); + + // NOTE: Cannot use pnp_set_enable() here because it assumes chip + // support for logical devices, which the LPC47N217 doesn't have + + if(dev->enabled) { + lpc47n217_pnp_set_enable(dev, 1); + } + else { + lpc47n217_pnp_set_enable(dev, 0); + } + + pnp_exit_conf_state(dev); +} + +//---------------------------------------------------------------------------------- +// Function: lpc47n217_init +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Initialize the specified Super I/O device. +// Devices other than COM ports are ignored. +// For COM ports, we configure the baud rate. +// +static void lpc47n217_init(device_t dev) +{ + struct superio_smsc_lpc47n217_config* conf = dev->chip_info; + struct resource *res0; + + if (!dev->enabled) + return; + + switch(dev->path.u.pnp.device) { + case LPC47N217_SP1: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com1); + break; + + case LPC47N217_SP2: + res0 = find_resource(dev, PNP_IDX_IO0); + init_uart8250(res0->base, &conf->com2); + break; + } +} + + +/**********************************************************************************/ +/* PRIVATE FUNCTIONS */ +/**********************************************************************************/ + +static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource) +{ + if (!(resource->flags & IORESOURCE_ASSIGNED)) { + printk_err("ERROR: %s %02x not allocated\n", + dev_path(dev), resource->index); + return; + } + + /* Now store the resource */ + // NOTE: Cannot use pnp_set_XXX() here because they assume chip + // support for logical devices, which the LPC47N217 doesn't have + + if (resource->flags & IORESOURCE_IO) { + lpc47n217_pnp_set_iobase(dev, resource->base); + } + else if (resource->flags & IORESOURCE_DRQ) { + lpc47n217_pnp_set_drq(dev, resource->base); + } + else if (resource->flags & IORESOURCE_IRQ) { + lpc47n217_pnp_set_irq(dev, resource->base); + } + else { + printk_err("ERROR: %s %02x unknown resource type\n", + dev_path(dev), resource->index); + return; + } + resource->flags |= IORESOURCE_STORED; + + report_resource_stored(dev, resource, ""); +} + +void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase) +{ + ASSERT(!(iobase & 0x3)); + + switch(dev->path.u.pnp.device) { + case LPC47N217_PP: + pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff); + break; + + case LPC47N217_SP1: + pnp_write_config(dev, 0x24, (iobase >> 2) & 0xff); + break; + + case LPC47N217_SP2: + pnp_write_config(dev, 0x25, (iobase >> 2) & 0xff); + break; + + default: + BUG(); + break; + } +} + +void lpc47n217_pnp_set_drq(device_t dev, unsigned drq) +{ + if (dev->path.u.pnp.device == LPC47N217_PP) { + const uint8_t PP_DMA_MASK = 0x0F; + const uint8_t PP_DMA_SELECTION_REGISTER = 0x26; + uint8_t current_config = pnp_read_config(dev, PP_DMA_SELECTION_REGISTER); + uint8_t new_config; + + ASSERT(!(drq & ~PP_DMA_MASK)); // DRQ out of range?? + new_config = (current_config & ~PP_DMA_MASK) | drq; + pnp_write_config(dev, PP_DMA_SELECTION_REGISTER, new_config); + } else { + BUG(); + } +} + +void lpc47n217_pnp_set_irq(device_t dev, unsigned irq) +{ + uint8_t irq_config_register = 0; + uint8_t irq_config_mask = 0; + uint8_t current_config; + uint8_t new_config; + + switch(dev->path.u.pnp.device) { + case LPC47N217_PP: + irq_config_register = 0x27; + irq_config_mask = 0x0F; + break; + + case LPC47N217_SP1: + irq_config_register = 0x28; + irq_config_mask = 0xF0; + irq <<= 4; + break; + + case LPC47N217_SP2: + irq_config_register = 0x28; + irq_config_mask = 0x0F; + break; + + default: + BUG(); + return; + } + + ASSERT(!(irq & ~irq_config_mask)); // IRQ out of range?? + + current_config = pnp_read_config(dev, irq_config_register); + new_config = (current_config & ~irq_config_mask) | irq; + pnp_write_config(dev, irq_config_register, new_config); +} + +void lpc47n217_pnp_set_enable(device_t dev, int enable) +{ + uint8_t power_register = 0; + uint8_t power_mask = 0; + uint8_t current_power; + uint8_t new_power; + + switch(dev->path.u.pnp.device) { + case LPC47N217_PP: + power_register = 0x01; + power_mask = 0x04; + break; + + case LPC47N217_SP1: + power_register = 0x02; + power_mask = 0x08; + break; + + case LPC47N217_SP2: + power_register = 0x02; + power_mask = 0x80; + break; + + default: + BUG(); + return; + } + + current_power = pnp_read_config(dev, power_register); + new_power = current_power & ~power_mask; // disable by default + + if (enable) { + struct resource* ioport_resource = find_resource(dev, PNP_IDX_IO0); + lpc47n217_pnp_set_iobase(dev, ioport_resource->base); + + new_power |= power_mask; // Enable + + } else { + lpc47n217_pnp_set_iobase(dev, 0); + } + pnp_write_config(dev, power_register, new_power); +} + + +//---------------------------------------------------------------------------------- +// Function: pnp_enter_conf_state +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Enable access to the LPC47N217's configuration registers. +// +static void pnp_enter_conf_state(device_t dev) +{ + outb(0x55, dev->path.u.pnp.port); +} + +//---------------------------------------------------------------------------------- +// Function: pnp_exit_conf_state +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Disable access to the LPC47N217's configuration registers. +// +static void pnp_exit_conf_state(device_t dev) +{ + outb(0xaa, dev->path.u.pnp.port); +} + +#if 0 +//---------------------------------------------------------------------------------- +// Function: dump_pnp_device +// Parameters: dev - pointer to structure describing a Super I/O device +// Return Value: None +// Description: Print the values of all of the LPC47N217's configuration registers. +// NOTE: The LPC47N217 must be in configuration mode when this +// function is called. +// +static void dump_pnp_device(device_t dev) +{ + int register_index; + print_debug("\r\n"); + + for(register_index = 0; register_index <= LPC47N217_MAX_CONFIG_REGISTER; register_index++) { + uint8_t register_value; + + if ((register_index & 0x0f) == 0) { + print_debug_hex8(register_index); + print_debug_char(':'); + } + + // Skip over 'register' that would cause exit from configuration mode + if (register_index == 0xaa) + register_value = 0xaa; + else + register_value = pnp_read_config(dev, register_index); + + print_debug_char(' '); + print_debug_hex8(register_value); + if ((register_index & 0x0f) == 0x0f) { + print_debug("\r\n"); + } + } + + print_debug("\r\n"); +} +#endif |