sravan/system76-coreboot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Migrate fsp_206ax to SMM_MODULES

Browse Source 
This gets rid of ugly tseg_relocate for fsp_bd82x6x.

This is adaptation of a3e41c0896

Change-Id: I4e80e6e98d3a6da3e3e480e9368fae1b3ed67cd6
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10353
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Vladimir Serbinenko
2015-05-28 21:03:51 +02:00
parent 456f495d4e
commit 7f46420f4c
10 changed files with 385 additions and 192 deletions
Download Patch File Download Diff File Expand all files Collapse all files

68
src/southbridge/intel/fsp_bd82x6x/smihandler.c
View File

@@ -51,28 +51,12 @@ static u8 smm_initialized = 0;
/* GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located
* by coreboot.
*/
static global_nvs_t *gnvs = (global_nvs_t *)0x0;
static global_nvs_t *gnvs;
global_nvs_t *smm_get_gnvs(void)
{
return gnvs;
}
#if CONFIG_SMM_TSEG
static u32 tseg_base = 0;
u32 smi_get_tseg_base(void)
{
if (!tseg_base)
tseg_base = pcie_read_config32(PCI_DEV(0, 0, 0), TSEG) & ~1;
return tseg_base;
}
void tseg_relocate(void **ptr)
{
/* Adjust pointer with TSEG base */
if (*ptr && *ptr < (void*)smi_get_tseg_base())
*ptr = (void *)(((u8*)*ptr) + smi_get_tseg_base());
}
#endif
/**
* @brief read and clear PM1_STS
* @return PM1_STS register
@@ -323,7 +307,7 @@ static void southbridge_gate_memory_reset(void)
outl(reg32, gpiobase + GP_LVL2);
}
static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_sleep(void)
{
u8 reg8;
u32 reg32;
@@ -338,8 +322,6 @@ static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *stat
outb(tmp70, 0x70);
outb(tmp72, 0x72);
void (*mainboard_sleep)(u8 slp_typ) = mainboard_smi_sleep;
/* First, disable further SMIs */
reg8 = inb(pmbase + SMI_EN);
reg8 &= ~SLP_SMI_EN;
@@ -351,8 +333,7 @@ static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *stat
slp_typ = (reg32 >> 10) & 7;
/* Do any mainboard sleep handling */
tseg_relocate((void **)&mainboard_sleep);
mainboard_sleep(slp_typ-2);
mainboard_smi_sleep(slp_typ-2);
#if CONFIG_ELOG_GSMI
/* Log S3, S4, and S5 entry */
@@ -428,13 +409,11 @@ static void southbridge_smi_sleep(unsigned int node, smm_state_save_area_t *stat
static em64t101_smm_state_save_area_t *smi_apmc_find_state_save(u8 cmd)
{
em64t101_smm_state_save_area_t *state;
u32 base = smi_get_tseg_base() + 0x8000 + 0x7d00;
int node;
/* Check all nodes looking for the one that issued the IO */
for (node = 0; node < CONFIG_MAX_CPUS; node++) {
state = (em64t101_smm_state_save_area_t *)
(base - (node * 0x400));
state = smm_get_save_state(node);
/* Check for Synchronous IO (bit0==1) */
if (!(state->io_misc_info & (1 << 0)))
@@ -481,11 +460,10 @@ static void southbridge_smi_gsmi(void)
}
#endif
static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_apmc(void)
{
u32 pmctrl;
u8 reg8;
int (*mainboard_apmc)(u8 apmc) = mainboard_smi_apmc;
em64t101_smm_state_save_area_t *state;
/* Emulate B2 register as the FADT / Linux expects it */
@@ -538,11 +516,10 @@ static void southbridge_smi_apmc(unsigned int node, smm_state_save_area_t *state
#endif
}
tseg_relocate((void **)&mainboard_apmc);
mainboard_apmc(reg8);
mainboard_smi_apmc(reg8);
}
static void southbridge_smi_pm1(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_pm1(void)
{
u16 pm1_sts;
@@ -563,7 +540,7 @@ static void southbridge_smi_pm1(unsigned int node, smm_state_save_area_t *state_
}
}
static void southbridge_smi_gpe0(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_gpe0(void)
{
u32 gpe0_sts;
@@ -571,17 +548,15 @@ static void southbridge_smi_gpe0(unsigned int node, smm_state_save_area_t *state
dump_gpe0_status(gpe0_sts);
}
static void southbridge_smi_gpi(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_gpi(void)
{
void (*mainboard_gpi)(u32 gpi_sts) = mainboard_smi_gpi;
u16 reg16;
reg16 = inw(pmbase + ALT_GP_SMI_STS);
outw(reg16, pmbase + ALT_GP_SMI_STS);
reg16 &= inw(pmbase + ALT_GP_SMI_EN);
tseg_relocate((void **)&mainboard_gpi);
mainboard_gpi(reg16);
mainboard_smi_gpi(reg16);
if (reg16)
printk(BIOS_DEBUG, "GPI (mask %04x)\n",reg16);
@@ -589,7 +564,7 @@ static void southbridge_smi_gpi(unsigned int node, smm_state_save_area_t *state_
outw(reg16, pmbase + ALT_GP_SMI_STS);
}
static void southbridge_smi_mc(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_mc(void)
{
u32 reg32;
@@ -604,7 +579,7 @@ static void southbridge_smi_mc(unsigned int node, smm_state_save_area_t *state_s
static void southbridge_smi_tco(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_tco(void)
{
u32 tco_sts;
@@ -641,7 +616,7 @@ static void southbridge_smi_tco(unsigned int node, smm_state_save_area_t *state_
}
}
static void southbridge_smi_periodic(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_periodic(void)
{
u32 reg32;
@@ -654,7 +629,7 @@ static void southbridge_smi_periodic(unsigned int node, smm_state_save_area_t *s
printk(BIOS_DEBUG, "Periodic SMI.\n");
}
static void southbridge_smi_monitor(unsigned int node, smm_state_save_area_t *state_save)
static void southbridge_smi_monitor(void)
{
#define IOTRAP(x) (trap_sts & (1 << x))
u32 trap_sts, trap_cycle;
@@ -708,8 +683,7 @@ static void southbridge_smi_monitor(unsigned int node, smm_state_save_area_t *st
#undef IOTRAP
}
typedef void (*smi_handler_t)(unsigned int node,
smm_state_save_area_t *state_save);
typedef void (*smi_handler_t)(void);
static smi_handler_t southbridge_smi[32] = {
NULL, // [0] reserved
@@ -753,7 +727,7 @@ static smi_handler_t southbridge_smi[32] = {
* @param state_save
*/
void southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_save)
void southbridge_smi_handler(void)
{
int i, dump = 0;
u32 smi_sts;
@@ -770,15 +744,7 @@ void southbridge_smi_handler(unsigned int node, smm_state_save_area_t *state_sav
for (i = 0; i < 31; i++) {
if (smi_sts & (1 << i)) {
if (southbridge_smi[i]) {
#if CONFIG_SMM_TSEG
smi_handler_t handler = (smi_handler_t)
((u8*)southbridge_smi[i] +
smi_get_tseg_base());
if (handler)
handler(node, state_save);
#else
southbridge_smi[i](node, state_save);
#endif
southbridge_smi[i]();
} else {
printk(BIOS_DEBUG, "SMI_STS[%d] occured, but no "
"handler available.\n", i);