diff options
author | Zheng Bao <zheng.bao@amd.com> | 2009-12-28 09:59:44 +0000 |
---|---|---|
committer | Zheng Bao <Zheng.Bao@amd.com> | 2009-12-28 09:59:44 +0000 |
commit | 9db833bec394b886ca990965970cdb100b65d9ac (patch) | |
tree | b06137607c918debaf7afb522feb3a56ee6f7ba5 /src/superio/smsc/lpc47n217 | |
parent | 0f0aa15e7eac54dae8d1710c3a4751c80b61709a (diff) | |
download | coreboot-9db833bec394b886ca990965970cdb100b65d9ac.tar.xz |
trival. All the changes is about comment and spaces.
In superio folder.
1. Delete trailing white spaces.
2. Change the // comment to /* */.
3. Add some copyright header.
4. reindent.
5. delete multi blank lines.
I tried my best to find them. If anything left, please fix it
or tell me.
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Acked-by: Zheng Bao <zheng.bao@amd.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4993 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/superio/smsc/lpc47n217')
-rw-r--r-- | src/superio/smsc/lpc47n217/Config.lb | 12 | ||||
-rw-r--r-- | src/superio/smsc/lpc47n217/Makefile.inc | 12 | ||||
-rw-r--r-- | src/superio/smsc/lpc47n217/lpc47n217.h | 5 | ||||
-rw-r--r-- | src/superio/smsc/lpc47n217/lpc47n217_early_serial.c | 131 | ||||
-rw-r--r-- | src/superio/smsc/lpc47n217/superio.c | 247 |
5 files changed, 206 insertions, 201 deletions
diff --git a/src/superio/smsc/lpc47n217/Config.lb b/src/superio/smsc/lpc47n217/Config.lb index 67c0dfd1b4..5a15d159ae 100644 --- a/src/superio/smsc/lpc47n217/Config.lb +++ b/src/superio/smsc/lpc47n217/Config.lb @@ -1,22 +1,22 @@ -## +## ## This file is part of the coreboot project. -## +## ## 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 -## +## config chip.h object superio.o diff --git a/src/superio/smsc/lpc47n217/Makefile.inc b/src/superio/smsc/lpc47n217/Makefile.inc index fa7729d809..10710b9080 100644 --- a/src/superio/smsc/lpc47n217/Makefile.inc +++ b/src/superio/smsc/lpc47n217/Makefile.inc @@ -1,22 +1,22 @@ -## +## ## This file is part of the coreboot project. -## +## ## 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 -## +## #config chip.h obj-$(CONFIG_SUPERIO_SMSC_LPC47N217) += superio.o diff --git a/src/superio/smsc/lpc47n217/lpc47n217.h b/src/superio/smsc/lpc47n217/lpc47n217.h index c52ca521eb..3795821129 100644 --- a/src/superio/smsc/lpc47n217/lpc47n217.h +++ b/src/superio/smsc/lpc47n217/lpc47n217.h @@ -18,8 +18,9 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -// These are arbitrary, but must match declarations in the mainboard config file. -// Values chosen to match SMSC 47B37x. +/* These are arbitrary, but must match declarations in the mainboard config file. + * Values chosen to match SMSC 47B37x. + */ #define LPC47N217_PP 3 /* Parallel Port */ #define LPC47N217_SP1 4 /* Com1 */ diff --git a/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c b/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c index f60dbcffe1..2b0c634bcf 100644 --- a/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c +++ b/src/superio/smsc/lpc47n217/lpc47n217_early_serial.c @@ -24,123 +24,126 @@ #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) { +/* + * 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); + 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) { +/* + * 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); + 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. -// +/* + * 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 + /* LPC47N217 requires base ports to be a multiple of 4 */ ASSERT(!(iobase & 0x3)); switch(dev & 0xFF) { - case LPC47N217_PP: + case LPC47N217_PP: pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff); break; - - case LPC47N217_SP1: + + 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). -// +/* + * 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: + case LPC47N217_PP: power_register = 0x01; power_mask = 0x04; break; - - case LPC47N217_SP1: + + 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 + new_power = current_power & ~power_mask; /* disable by default */ if (enable) - new_power |= power_mask; // 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. -// +/* + * 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 - + /* 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); diff --git a/src/superio/smsc/lpc47n217/superio.c b/src/superio/smsc/lpc47n217/superio.c index 90a3be1a8c..b83fe6cf6d 100644 --- a/src/superio/smsc/lpc47n217/superio.c +++ b/src/superio/smsc/lpc47n217/superio.c @@ -3,7 +3,7 @@ * * Copyright (C) 2000 AG Electronics Ltd. * Copyright (C) 2003-2004 Linux Networx - * Copyright (C) 2004 Tyan + * Copyright (C) 2004 Tyan * Copyright (C) 2005 Digital Design Corporation * * This program is free software; you can redistribute it and/or modify @@ -37,7 +37,7 @@ #include "chip.h" #include "lpc47n217.h" -// Forward declarations +/* Forward declarations */ static void enable_dev(device_t dev); static void lpc47n217_pnp_set_resources(device_t dev); static void lpc47n217_pnp_enable_resources(device_t dev); @@ -53,7 +53,6 @@ static 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 Super I/O") .enable_dev = enable_dev, @@ -68,69 +67,72 @@ static struct device_operations ops = { }; 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 }, } + { &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 */ +/* 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). -// +/* + * 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, - ARRAY_SIZE(pnp_dev_info), - pnp_dev_info); + pnp_enable_devices(dev, &pnp_ops, + ARRAY_SIZE(pnp_dev_info), + 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. -// +/* + * 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. + */ static 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 + 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); -} + /* dump_pnp_device(dev); */ + + pnp_exit_conf_state(dev); +} static void lpc47n217_pnp_enable_resources(device_t dev) -{ - pnp_enter_conf_state(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); + /* 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); + pnp_exit_conf_state(dev); } static void lpc47n217_pnp_enable(device_t dev) { - pnp_enter_conf_state(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 + /* 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); @@ -139,17 +141,17 @@ static void lpc47n217_pnp_enable(device_t dev) lpc47n217_pnp_set_enable(dev, 0); } - pnp_exit_conf_state(dev); + 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. -// +/* + * 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; @@ -159,7 +161,7 @@ static void lpc47n217_init(device_t dev) return; switch(dev->path.pnp.device) { - case LPC47N217_SP1: + case LPC47N217_SP1: res0 = find_resource(dev, PNP_IDX_IO0); init_uart8250(res0->base, &conf->com1); break; @@ -171,9 +173,8 @@ static void lpc47n217_init(device_t dev) } } - /**********************************************************************************/ -/* PRIVATE FUNCTIONS */ +/* PRIVATE FUNCTIONS */ /**********************************************************************************/ static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource) @@ -185,8 +186,9 @@ static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource) } /* 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 + /* 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); @@ -210,20 +212,20 @@ static void lpc47n217_pnp_set_resource(device_t dev, struct resource *resource) static void lpc47n217_pnp_set_iobase(device_t dev, unsigned iobase) { ASSERT(!(iobase & 0x3)); - + switch(dev->path.pnp.device) { - case LPC47N217_PP: + case LPC47N217_PP: pnp_write_config(dev, 0x23, (iobase >> 2) & 0xff); break; - - case LPC47N217_SP1: + + 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; @@ -238,7 +240,7 @@ static void lpc47n217_pnp_set_drq(device_t dev, unsigned drq) 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?? + 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 { @@ -252,31 +254,31 @@ static void lpc47n217_pnp_set_irq(device_t dev, unsigned irq) uint8_t irq_config_mask = 0; uint8_t current_config; uint8_t new_config; - + switch(dev->path.pnp.device) { - case LPC47N217_PP: + case LPC47N217_PP: irq_config_register = 0x27; irq_config_mask = 0x0F; break; - - case LPC47N217_SP1: + + 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?? - + 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); @@ -288,100 +290,99 @@ static void lpc47n217_pnp_set_enable(device_t dev, int enable) uint8_t power_mask = 0; uint8_t current_power; uint8_t new_power; - + switch(dev->path.pnp.device) { - case LPC47N217_PP: + case LPC47N217_PP: power_register = 0x01; power_mask = 0x04; break; - - case LPC47N217_SP1: + + 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 + 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 { + + 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) +/* + * 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.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) +/* + * 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.pnp.port); + outb(0xaa, dev->path.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. -// +/* + * 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"); + int register_index; + print_debug("\r\n"); - for(register_index = 0; register_index <= LPC47N217_MAX_CONFIG_REGISTER; register_index++) { - uint8_t register_value; + 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(':'); - } + 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) + /* 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"); - } - } + 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"); } |