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authorElyes HAOUAS <ehaouas@noos.fr>2016-10-10 21:25:17 +0200
committerMartin Roth <martinroth@google.com>2016-10-24 20:31:50 +0200
commitcaccd97d4e7700d487a89788eb216e2a5c571204 (patch)
treea58e96d72e715f785f2c937e6b3847c1a97dab1e /src/mainboard/amd/serengeti_cheetah
parent15622ee5f082431bcd927c1137adceaa544ce1ad (diff)
downloadcoreboot-caccd97d4e7700d487a89788eb216e2a5c571204.tar.xz
mainboard/amd/serengeti_cheetah*: Use C89 comments style & remove commented code
Change-Id: I2fae9e02e2fccaff97f2441fd17f8960e8ab9786 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/16975 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/mainboard/amd/serengeti_cheetah')
-rw-r--r--src/mainboard/amd/serengeti_cheetah/acpi_tables.c16
-rw-r--r--src/mainboard/amd/serengeti_cheetah/fadt.c14
-rw-r--r--src/mainboard/amd/serengeti_cheetah/get_bus_conf.c44
-rw-r--r--src/mainboard/amd/serengeti_cheetah/irq_tables.c9
-rw-r--r--src/mainboard/amd/serengeti_cheetah/mptable.c38
-rw-r--r--src/mainboard/amd/serengeti_cheetah/resourcemap.c4
-rw-r--r--src/mainboard/amd/serengeti_cheetah/romstage.c64
7 files changed, 71 insertions, 118 deletions
diff --git a/src/mainboard/amd/serengeti_cheetah/acpi_tables.c b/src/mainboard/amd/serengeti_cheetah/acpi_tables.c
index ddc232f03f..282222dc12 100644
--- a/src/mainboard/amd/serengeti_cheetah/acpi_tables.c
+++ b/src/mainboard/amd/serengeti_cheetah/acpi_tables.c
@@ -80,7 +80,7 @@ unsigned long acpi_fill_madt(unsigned long current)
for(i = 1; i< sysconf.hc_possible_num; i++) {
u32 d = 0;
if(!(sysconf.pci1234[i] & 0x1) ) continue;
- // 8131 need to use +4
+ /* 8131 need to use +4 */
switch (sysconf.hcid[i]) {
case 1:
d = 7;
@@ -141,15 +141,15 @@ unsigned long mainboard_write_acpi_tables(device_t dev, unsigned long start, acp
int i;
- get_bus_conf(); //it will get sblk, pci1234, hcdn, and sbdn
+ get_bus_conf(); /* it will get sblk, pci1234, hcdn, and sbdn */
/* Align ACPI tables to 16 bytes */
start = ALIGN(start, 16);
current = start;
- //same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table
+ /* same htio, but different position? We may have to copy, change HCIN, and recalculate the checknum and add_table */
- for(i = 1; i < sysconf.hc_possible_num; i++) { // 0: is hc sblink
+ for(i = 1; i < sysconf.hc_possible_num; i++) { /* 0: is hc sblink */
const char *file_name;
if((sysconf.pci1234[i] & 1) != 1 ) continue;
u8 c;
@@ -160,16 +160,16 @@ unsigned long mainboard_write_acpi_tables(device_t dev, unsigned long start, acp
c = (u8) ('A' + i - 1 - 6);
}
current = ALIGN(current, 8);
- printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); //pci0 and pci1 are in dsdt
+ printk(BIOS_DEBUG, "ACPI: * SSDT for PCI%c Aka hcid = %d\n", c, sysconf.hcid[i]); /* pci0 and pci1 are in dsdt */
ssdtx = (acpi_header_t *)current;
switch(sysconf.hcid[i]) {
- case 1: //8132
+ case 1: /* 8132 */
file_name = CONFIG_CBFS_PREFIX "/ssdt2.aml";
break;
- case 2: //8151
+ case 2: /* 8151 */
file_name = CONFIG_CBFS_PREFIX "/ssdt3.aml";
break;
- case 3: //8131
+ case 3: /* 8131 */
file_name = CONFIG_CBFS_PREFIX "/ssdt4.aml";
break;
default:
diff --git a/src/mainboard/amd/serengeti_cheetah/fadt.c b/src/mainboard/amd/serengeti_cheetah/fadt.c
index 6bb03e92e7..6cf5197149 100644
--- a/src/mainboard/amd/serengeti_cheetah/fadt.c
+++ b/src/mainboard/amd/serengeti_cheetah/fadt.c
@@ -41,11 +41,11 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){
fadt->firmware_ctrl=(u32)facs;
fadt->dsdt= (u32)dsdt;
- // 3 = Workstation, 4 = Enterprise Server, 7 = Performance Server
+ /* 3 = Workstation, 4 = Enterprise Server, 7 = Performance Server */
fadt->preferred_pm_profile = 0x03;
fadt->sci_int = 9;
- // disable system management mode by setting to 0:
- fadt->smi_cmd = 0;//pm_base+0x2f;
+ /* disable system management mode by setting to 0: */
+ fadt->smi_cmd = 0;/* pm_base+0x2f */
fadt->acpi_enable = 0xf0;
fadt->acpi_disable = 0xf1;
fadt->s4bios_req = 0x0;
@@ -75,10 +75,10 @@ void acpi_create_fadt(acpi_fadt_t *fadt,acpi_facs_t *facs,void *dsdt){
fadt->flush_stride = 0;
fadt->duty_offset = 1;
fadt->duty_width = 3;
- fadt->day_alrm = 0; // 0x7d these have to be
- fadt->mon_alrm = 0; // 0x7e added to cmos.layout
- fadt->century = 0; // 0x7f to make rtc alrm work
- fadt->iapc_boot_arch = 0x3; // See table 5-11
+ fadt->day_alrm = 0; /* 0x7d these have to be */
+ fadt->mon_alrm = 0; /* 0x7e added to cmos.layout */
+ fadt->century = 0; /* 0x7f to make rtc alrm work */
+ fadt->iapc_boot_arch = 0x3; /* See table 5-11 */
fadt->flags = 0x25;
fadt->res2 = 0;
diff --git a/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c b/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c
index 1eb97b59a7..b7f55fd0fb 100644
--- a/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c
+++ b/src/mainboard/amd/serengeti_cheetah/get_bus_conf.c
@@ -23,30 +23,18 @@
#include <stdlib.h>
#include "mb_sysconf.h"
-// Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables
+/* Global variables for MB layouts and these will be shared by irqtable mptable and acpi_tables */
struct mb_sysconf_t mb_sysconf;
-static unsigned pci1234x[] = { //Here you only need to set value in pci1234 for HT-IO that could be installed or not
- //You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail
+static unsigned pci1234x[] = { /*Here you only need to set value in pci1234 for HT-IO that could be installed or not */
+ /* You may need to preset pci1234 for HTIO board, please refer to src/northbridge/amd/amdk8/get_sblk_pci1234.c for detail */
0x0000ff0,
0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0,
-// 0x0000ff0
};
-static unsigned hcdnx[] = { //HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most
+static unsigned hcdnx[] = { /* HT Chain device num, actually it is unit id base of every ht device in chain, assume every chain only have 4 ht device at most */
0x20202020,
0x20202020,
-// 0x20202020,
-// 0x20202020,
-// 0x20202020,
-// 0x20202020,
-// 0x20202020,
-// 0x20202020,
};
static unsigned get_bus_conf_done = 0;
@@ -64,20 +52,20 @@ static unsigned get_hcid(unsigned i)
dev = dev_find_slot(busn, PCI_DEVFN(devn, 0));
switch (dev->device) {
- case 0x7458: //8132
+ case 0x7458: /*8132 */
id = 1;
break;
- case 0x7454: //8151
+ case 0x7454: /*8151 */
id = 2;
break;
- case 0x7450: //8131
+ case 0x7450: /*8131 */
id = 3;
break;
}
- // we may need more way to find out hcid: subsystem id? GPIO read ?
+ /* we may need more way to find out hcid: subsystem id? GPIO read ? */
- // we need use id for 1. bus num, 2. mptable, 3. ACPI table
+ /* we need use id for 1. bus num, 2. mptable, 3. ACPI table */
return id;
}
@@ -92,7 +80,7 @@ void get_bus_conf(void)
struct mb_sysconf_t *m;
if (get_bus_conf_done == 1)
- return; //do it only once
+ return; /* do it only once */
get_bus_conf_done = 1;
@@ -150,13 +138,13 @@ void get_bus_conf(void)
if (!(sysconf.pci1234[i] & 0x1))
continue;
- // check hcid type here
+ /* check hcid type here */
sysconf.hcid[i] = get_hcid(i);
switch (sysconf.hcid[i]) {
- case 1: //8132
- case 3: //8131
+ case 1: /* 8132 */
+ case 3: /* 8131 */
m->bus_8132a[j][0] = (sysconf.pci1234[i] >> 16) & 0xff;
@@ -190,7 +178,7 @@ void get_bus_conf(void)
break;
- case 2: //8151
+ case 2: /* 8151 */
m->bus_8151[j][0] = (sysconf.pci1234[i] >> 16) & 0xff;
m->sbdn5[j] = sysconf.hcdn[i] & 0xff;
@@ -202,7 +190,6 @@ void get_bus_conf(void)
if (dev) {
m->bus_8151[j][1] =
pci_read_config8(dev, PCI_SECONDARY_BUS);
- // printk(BIOS_DEBUG, "bus_8151_1=%d\n",bus_8151[j][1]);
} else {
printk(BIOS_DEBUG,
"ERROR - could not find PCI %02x:%02x.0, using defaults\n",
@@ -215,7 +202,7 @@ void get_bus_conf(void)
j++;
}
-/*I/O APICs: APIC ID Version State Address*/
+/* I/O APICs: APIC ID Version State Address */
if (IS_ENABLED(CONFIG_LOGICAL_CPUS))
apicid_base = get_apicid_base(3);
else
@@ -227,5 +214,4 @@ void get_bus_conf(void)
m->apicid_8132a[i][0] = apicid_base + 3 + i * 2;
m->apicid_8132a[i][1] = apicid_base + 3 + i * 2 + 1;
}
-
}
diff --git a/src/mainboard/amd/serengeti_cheetah/irq_tables.c b/src/mainboard/amd/serengeti_cheetah/irq_tables.c
index 3d9820f542..9e2e09b833 100644
--- a/src/mainboard/amd/serengeti_cheetah/irq_tables.c
+++ b/src/mainboard/amd/serengeti_cheetah/irq_tables.c
@@ -55,7 +55,7 @@ unsigned long write_pirq_routing_table(unsigned long addr)
struct mb_sysconf_t *m;
- get_bus_conf(); // it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c
+ get_bus_conf(); /* it will find out all bus num and apic that share with mptable.c and mptable.c and acpi_tables.c */
m = sysconf.mb;
@@ -105,7 +105,7 @@ unsigned long write_pirq_routing_table(unsigned long addr)
}
}
-//pci bridge
+/* pci bridge */
printk(BIOS_DEBUG, "setting Onboard AMD Southbridge\n");
static const unsigned char slotIrqs_1_4[4] = { 3, 5, 10, 11 };
pci_assign_irqs(m->bus_8111_0, sysconf.sbdn + 1, slotIrqs_1_4);
@@ -123,9 +123,7 @@ unsigned long write_pirq_routing_table(unsigned long addr)
pirq_info++;
slot_num++;
-//pcix bridge
-// write_pirq_info(pirq_info, m->bus_8132_0, (sbdn3 << 3)|0, 0x1, 0xdef8, 0x2, 0xdef8, 0x3, 0xdef8, 0x4, 0xdef8, 0, 0);
-// pirq_info++; slot_num++;
+/* pcix bridge */
int j = 0;
@@ -157,5 +155,4 @@ unsigned long write_pirq_routing_table(unsigned long addr)
printk(BIOS_INFO, "done.\n");
return (unsigned long)pirq_info;
-
}
diff --git a/src/mainboard/amd/serengeti_cheetah/mptable.c b/src/mainboard/amd/serengeti_cheetah/mptable.c
index 2ffe4c9070..fc421a9eae 100644
--- a/src/mainboard/amd/serengeti_cheetah/mptable.c
+++ b/src/mainboard/amd/serengeti_cheetah/mptable.c
@@ -41,8 +41,8 @@ static void *smp_write_config_table(void *v)
mptable_write_buses(mc, NULL, &bus_isa);
-/*I/O APICs: APIC ID Version State Address*/
- smp_write_ioapic(mc, m->apicid_8111, 0x11, VIO_APIC_VADDR); //8111
+/* I/O APICs: APIC ID Version State Address*/
+ smp_write_ioapic(mc, m->apicid_8111, 0x11, VIO_APIC_VADDR); /* 8111 */
{
device_t dev;
struct resource *res;
@@ -69,8 +69,8 @@ static void *smp_write_config_table(void *v)
if(!(sysconf.pci1234[i] & 0x1) ) continue;
switch(sysconf.hcid[i]) {
- case 1: // 8132
- case 3: // 8131
+ case 1: /* 8132 */
+ case 3: /* 8131 */
dev = dev_find_slot(m->bus_8132a[j][0], PCI_DEVFN(m->sbdn3a[j], 1));
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
@@ -97,33 +97,33 @@ static void *smp_write_config_table(void *v)
mptable_add_isa_interrupts(mc, bus_isa, m->apicid_8111, 0);
/*I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN# */
-//??? What
+/* ??? What */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8111_0, ((sysconf.sbdn+1)<<2)|3, m->apicid_8111, 0x13);
-// Onboard AMD USB
+/* Onboard AMD USB */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8111_1, (0 << 2)|3, m->apicid_8111, 0x13);
-//Slot 3 PCI 32
+/*Slot 3 PCI 32 */
for(i = 0; i < 4; i++) {
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8111_1, (5 << 2)|i, m->apicid_8111, 0x10 + (1+i)%4); //16
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8111_1, (5 << 2)|i, m->apicid_8111, 0x10 + (1+i)%4); /* 16 */
}
-//Slot 4 PCI 32
+/* Slot 4 PCI 32 */
for(i = 0; i < 4; i++) {
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8111_1, (4 << 2)|i, m->apicid_8111, 0x10 + (0+i)%4); //16
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8111_1, (4 << 2)|i, m->apicid_8111, 0x10 + (0+i)%4); /* 16 */
}
-//Slot 1 PCI-X 133/100/66
+/* Slot 1 PCI-X 133/100/66 */
for(i = 0; i < 4; i++) {
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132_2, (1 << 2)|i, m->apicid_8132_2, (0+i)%4); //
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132_2, (1 << 2)|i, m->apicid_8132_2, (0+i)%4);
}
-//Slot 2 PCI-X 133/100/66
+/* Slot 2 PCI-X 133/100/66 */
for(i = 0; i < 4; i++) {
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132_1, (1 << 2)|i, m->apicid_8132_1, (1+i)%4); //25
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132_1, (1 << 2)|i, m->apicid_8132_1, (1+i)%4); /* 25 */
}
j = 0;
@@ -140,9 +140,9 @@ static void *smp_write_config_table(void *v)
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
- //Slot 1 PCI-X 133/100/66
+ /* Slot 1 PCI-X 133/100/66 */
for(ii = 0; ii < 4; ii++) {
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132a[j][1], (0 << 2)|ii, m->apicid_8132a[j][0], (0+ii)%4); //
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132a[j][1], (0 << 2)|ii, m->apicid_8132a[j][0], (0+ii)%4);
}
}
}
@@ -151,9 +151,9 @@ static void *smp_write_config_table(void *v)
if (dev) {
res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (res) {
- //Slot 2 PCI-X 133/100/66
+ /* Slot 2 PCI-X 133/100/66 */
for(ii = 0; ii < 4; ii++) {
- smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132a[j][2], (0 << 2)|ii, m->apicid_8132a[j][1], (0+ii)%4); //25
+ smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8132a[j][2], (0 << 2)|ii, m->apicid_8132a[j][1], (0+ii)%4); /* 25 */
}
}
}
@@ -161,7 +161,7 @@ static void *smp_write_config_table(void *v)
break;
case 2:
- // Slot AGP
+ /* Slot AGP */
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, m->bus_8151[j][1], 0x0, m->apicid_8111, 0x11);
break;
}
diff --git a/src/mainboard/amd/serengeti_cheetah/resourcemap.c b/src/mainboard/amd/serengeti_cheetah/resourcemap.c
index 3126dd3d6f..92eaa9c481 100644
--- a/src/mainboard/amd/serengeti_cheetah/resourcemap.c
+++ b/src/mainboard/amd/serengeti_cheetah/resourcemap.c
@@ -260,8 +260,8 @@ static void setup_mb_resource_map(void)
* [31:24] Bus Number Limit i
* This field defines the highest bus number in configuration regin i
*/
- PCI_ADDR(0, 0x18, 1, 0xE0), 0x0000FC88, 0x06000003, // AMD 8111 on link0 of CPU 0
- PCI_ADDR(0, 0x18, 1, 0xE4), 0x0000FC88, 0x08070013, // AMD 8151 on link0 of CPU 1
+ PCI_ADDR(0, 0x18, 1, 0xE0), 0x0000FC88, 0x06000003, /* AMD 8111 on link0 of CPU 0 */
+ PCI_ADDR(0, 0x18, 1, 0xE4), 0x0000FC88, 0x08070013, /* AMD 8151 on link0 of CPU 1 */
PCI_ADDR(0, 0x18, 1, 0xE8), 0x0000FC88, 0x00000000,
PCI_ADDR(0, 0x18, 1, 0xEC), 0x0000FC88, 0x00000000,
};
diff --git a/src/mainboard/amd/serengeti_cheetah/romstage.c b/src/mainboard/amd/serengeti_cheetah/romstage.c
index fff950af25..51794484ed 100644
--- a/src/mainboard/amd/serengeti_cheetah/romstage.c
+++ b/src/mainboard/amd/serengeti_cheetah/romstage.c
@@ -37,8 +37,8 @@
static void memreset_setup(void)
{
- //GPIO on amd8111 to enable MEMRST ????
- outb((1 << 2)|(1 << 0), SMBUS_IO_BASE + 0xc0 + 16); //REVC_MEMRST_EN = 1
+ /* GPIO on amd8111 to enable MEMRST ???? */
+ outb((1 << 2)|(1 << 0), SMBUS_IO_BASE + 0xc0 + 16); /* REVC_MEMRST_EN = 1 */
outb((1 << 2)|(0 << 0), SMBUS_IO_BASE + 0xc0 + 17);
}
@@ -49,7 +49,7 @@ static inline void activate_spd_rom(const struct mem_controller *ctrl)
#define SMBUS_HUB 0x18
int ret,i;
unsigned device=(ctrl->channel0[0])>>8;
- /* the very first write always get COL_STS = 1 and ABRT_STS = 1, so try another time*/
+ /* the very first write always get COL_STS = 1 and ABRT_STS = 1, so try another time */
i = 2;
do {
ret = smbus_write_byte(SMBUS_HUB, 0x01, device);
@@ -82,19 +82,19 @@ static inline int spd_read_byte(unsigned device, unsigned address)
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
{
static const uint16_t spd_addr[] = {
- //first node
+ /* first node */
RC0|DIMM0, RC0|DIMM2, 0, 0,
RC0|DIMM1, RC0|DIMM3, 0, 0,
#if CONFIG_MAX_PHYSICAL_CPUS > 1
- //second node
+ /* second node */
RC1|DIMM0, RC1|DIMM2, RC1|DIMM4, RC1|DIMM6,
RC1|DIMM1, RC1|DIMM3, RC1|DIMM5, RC1|DIMM7,
#endif
#if CONFIG_MAX_PHYSICAL_CPUS > 2
- // third node
+ /* third node */
RC2|DIMM0, RC2|DIMM2, 0, 0,
RC2|DIMM1, RC2|DIMM3, 0, 0,
- // four node
+ /* four node */
RC3|DIMM0, RC3|DIMM2, RC3|DIMM4, RC3|DIMM6,
RC3|DIMM1, RC3|DIMM3, RC3|DIMM5, RC3|DIMM7,
#endif
@@ -114,27 +114,21 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
winbond_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
-// dump_mem(CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE-0x200, CONFIG_DCACHE_RAM_BASE+CONFIG_DCACHE_RAM_SIZE);
-
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
printk(BIOS_DEBUG, "*sysinfo range: [%p,%p]\n",sysinfo,sysinfo+1);
setup_mb_resource_map();
-#if 0
- dump_pci_device(PCI_DEV(0, 0x18, 0));
- dump_pci_device(PCI_DEV(0, 0x19, 0));
-#endif
printk(BIOS_DEBUG, "bsp_apicid=%02x\n", bsp_apicid);
- set_sysinfo_in_ram(0); // in BSP so could hold all ap until sysinfo is in ram
- setup_coherent_ht_domain(); // routing table and start other core0
+ set_sysinfo_in_ram(0); /* in BSP so could hold all ap until sysinfo is in ram */
+ setup_coherent_ht_domain(); /* routing table and start other core0 */
wait_all_core0_started();
#if CONFIG_LOGICAL_CPUS
- // It is said that we should start core1 after all core0 launched
+ /* It is said that we should start core1 after all core0 launched */
/* becase optimize_link_coherent_ht is moved out from setup_coherent_ht_domain,
* So here need to make sure last core0 is started, esp for two way system,
* (there may be apic id conflicts in that case)
@@ -144,13 +138,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
#endif
/* it will set up chains and store link pair for optimization later */
- ht_setup_chains_x(sysinfo); // it will init sblnk and sbbusn, nodes, sbdn
-
-#if 0
- //it your CPU min fid is 1G, you can change HT to 1G and FID to max one time.
- needs_reset = optimize_link_coherent_ht();
- needs_reset |= optimize_link_incoherent_ht(sysinfo);
-#endif
+ ht_setup_chains_x(sysinfo); /* it will init sblnk and sbbusn, nodes, sbdn */
#if CONFIG_SET_FIDVID
/* Check to see if processor is capable of changing FIDVID */
@@ -169,7 +157,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
enable_fid_change_on_sb(sysinfo->sbbusn, sysinfo->sbdn);
init_fidvid_bsp(bsp_apicid);
- // show final fid and vid
+ /* show final fid and vid */
{
msr_t msr;
msr = rdmsr(0xc0010042);
@@ -185,7 +173,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
needs_reset = optimize_link_coherent_ht();
needs_reset |= optimize_link_incoherent_ht(sysinfo);
- // fidvid change will issue one LDTSTOP and the HT change will be effective too
+ /* fidvid change will issue one LDTSTOP and the HT change will be effective too */
if (needs_reset) {
printk(BIOS_INFO, "ht reset -\n");
soft_reset_x(sysinfo->sbbusn, sysinfo->sbdn);
@@ -193,36 +181,18 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
#endif
allow_all_aps_stop(bsp_apicid);
- //It's the time to set ctrl in sysinfo now;
+ /* It's the time to set ctrl in sysinfo now; */
fill_mem_ctrl(sysinfo->nodes, sysinfo->ctrl, spd_addr);
enable_smbus();
-#if 0
- int i;
- for(i = 0; i < 4; i++) {
- activate_spd_rom(&cpu[i]);
- dump_smbus_registers();
- }
-#endif
-
memreset_setup();
- //do we need apci timer, tsc...., only debug need it for better output
+ /* do we need apci timer, tsc...., only debug need it for better output */
/* all ap stopped? */
-// init_timer(); // Need to use TMICT to synchronize FID/VID
+ /* Need to use TMICT to synchronize FID/VID */
sdram_initialize(sysinfo->nodes, sysinfo->ctrl, sysinfo);
-#if 0
- print_pci_devices();
-#endif
-
-#if 0
-// dump_pci_devices();
- dump_pci_device_index_wait(PCI_DEV(0, 0x18, 2), 0x98);
- dump_pci_device_index_wait(PCI_DEV(0, 0x19, 2), 0x98);
-#endif
-
- post_cache_as_ram(); // bsp swtich stack to RAM and copy sysinfo RAM now
+ post_cache_as_ram(); /* bsp swtich stack to RAM and copy sysinfo RAM now */
}