Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/42851 )
Change subject: sb/intel/i82801dx: Drop GNVS in SMM ......................................................................
sb/intel/i82801dx: Drop GNVS in SMM
The table in CBMEM was never allocated with i82801dx.
Change-Id: I4ad97f6504e0f1b22d16210b7dbf5164852cb232 Signed-off-by: Kyösti Mälkki kyosti.malkki@gmail.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/42851 Reviewed-by: Patrick Georgi pgeorgi@google.com Tested-by: build bot (Jenkins) no-reply@coreboot.org --- D src/southbridge/intel/i82801dx/nvs.h M src/southbridge/intel/i82801dx/smihandler.c 2 files changed, 1 insertion(+), 188 deletions(-)
Approvals: build bot (Jenkins): Verified Patrick Georgi: Looks good to me, approved
diff --git a/src/southbridge/intel/i82801dx/nvs.h b/src/southbridge/intel/i82801dx/nvs.h deleted file mode 100644 index 1f8f6d1..0000000 --- a/src/southbridge/intel/i82801dx/nvs.h +++ /dev/null @@ -1,105 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#ifndef SOUTHBRIDGE_INTEL_I82801DX_NVS_H -#define SOUTHBRIDGE_INTEL_I82801DX_NVS_H - -#include <stdint.h> - -struct __packed global_nvs { - /* Miscellaneous */ - u16 osys; /* 0x00 - Operating System */ - u8 smif; /* 0x02 - SMI function call ("TRAP") */ - u8 prm0; /* 0x03 - SMI function call parameter */ - u8 prm1; /* 0x04 - SMI function call parameter */ - u8 scif; /* 0x05 - SCI function call (via _L00) */ - u8 prm2; /* 0x06 - SCI function call parameter */ - u8 prm3; /* 0x07 - SCI function call parameter */ - u8 lckf; /* 0x08 - Global Lock function for EC */ - u8 prm4; /* 0x09 - Lock function parameter */ - u8 prm5; /* 0x0a - Lock function parameter */ - u32 p80d; /* 0x0b - Debug port (IO 0x80) value */ - u8 lids; /* 0x0f - LID state (open = 1) */ - u8 pwrs; /* 0x10 - Power state (AC = 1) */ - u8 dbgs; /* 0x11 - Debug state */ - u8 linx; /* 0x12 - Linux OS */ - u8 dckn; /* 0x13 - PCIe docking state */ - /* Thermal policy */ - u8 actt; /* 0x14 - active trip point */ - u8 psvt; /* 0x15 - passive trip point */ - u8 tc1v; /* 0x16 - passive trip point TC1 */ - u8 tc2v; /* 0x17 - passive trip point TC2 */ - u8 tspv; /* 0x18 - passive trip point TSP */ - u8 crtt; /* 0x19 - critical trip point */ - u8 dtse; /* 0x1a - Digital Thermal Sensor enable */ - u8 dts1; /* 0x1b - DT sensor 1 */ - u8 dts2; /* 0x1c - DT sensor 2 */ - u8 rsvd2; - /* Battery Support */ - u8 bnum; /* 0x1e - number of batteries */ - u8 b0sc, b1sc, b2sc; /* 0x1f-0x21 - stored capacity */ - u8 b0ss, b1ss, b2ss; /* 0x22-0x24 - stored status */ - u8 rsvd3[3]; - /* Processor Identification */ - u8 apic; /* 0x28 - APIC enabled */ - u8 mpen; /* 0x29 - MP capable/enabled */ - u8 pcp0; /* 0x2a - PDC CPU/CORE 0 */ - u8 pcp1; /* 0x2b - PDC CPU/CORE 1 */ - u8 ppcm; /* 0x2c - Max. PPC state */ - u8 rsvd4[5]; - /* Super I/O & CMOS config */ - u8 natp; /* 0x32 - SIO type */ - u8 cmap; /* 0x33 - */ - u8 cmbp; /* 0x34 - */ - u8 lptp; /* 0x35 - LPT port */ - u8 fdcp; /* 0x36 - Floppy Disk Controller */ - u8 rfdv; /* 0x37 - */ - u8 hotk; /* 0x38 - Hot Key */ - u8 rtcf; - u8 util; - u8 acin; - /* Integrated Graphics Device */ - u8 igds; /* 0x3c - IGD state */ - u8 tlst; /* 0x3d - Display Toggle List Pointer */ - u8 cadl; /* 0x3e - currently attached devices */ - u8 padl; /* 0x3f - previously attached devices */ - u16 rsvd14[3]; - u8 ndid; /* 0x46 - number of device ids */ - u32 did[5]; /* 0x47 - 5b device id 1..5 */ - u8 rsvd5[0x9]; - /* Backlight Control */ - u8 blcs; /* 0x64 - Backlight Control possible */ - u8 brtl; - u8 odds; - u8 rsvd6[0x7]; - /* Ambient Light Sensors*/ - u8 alse; /* 0x6e - ALS enable */ - u8 alaf; - u8 llow; - u8 lhih; - u8 rsvd7[0x6]; - /* EMA */ - u8 emae; /* 0x78 - EMA enable */ - u16 emap; - u16 emal; - u8 rsvd8[0x5]; - /* MEF */ - u8 mefe; /* 0x82 - MEF enable */ - u8 rsvd9[0x9]; - /* TPM support */ - u8 tpmp; /* 0x8c - TPM */ - u8 tpme; - u8 rsvd10[8]; - /* SATA */ - u8 gtf0[7]; /* 0x96 - GTF task file buffer for port 0 */ - u8 gtf1[7]; - u8 gtf2[7]; - u8 idem; - u8 idet; - u8 rsvd11[67]; - /* Mainboard specific */ - u8 dock; /* 0xf0 - Docking Status */ - u8 bten; - u8 rsvd13[14]; -}; - -#endif /* SOUTHBRIDGE_INTEL_I82801DX_NVS_H */ diff --git a/src/southbridge/intel/i82801dx/smihandler.c b/src/southbridge/intel/i82801dx/smihandler.c index 7cd5c70..b54d1d39 100644 --- a/src/southbridge/intel/i82801dx/smihandler.c +++ b/src/southbridge/intel/i82801dx/smihandler.c @@ -19,8 +19,6 @@ #define G_SMRANE (1 << 3) #define C_BASE_SEG ((0 << 2) | (1 << 1) | (0 << 0))
-#include "nvs.h" - /* While we read PMBASE dynamically in case it changed, let's * initialize it with a sane value */ @@ -30,13 +28,6 @@ u32 mbi_len; u8 mbi_initialized = 0;
-/* GNVS needs to be updated by an 0xEA PM Trap (B2) after it has been located - * by coreboot. - */ -struct global_nvs *gnvs = (struct global_nvs *)0x0; -void *tcg = (void *)0x0; -void *smi1 = (void *)0x0; - /** * @brief read and clear PM1_STS * @return PM1_STS register @@ -188,23 +179,6 @@ printk(BIOS_DEBUG, "\n"); }
-int southbridge_io_trap_handler(int smif) -{ - switch (smif) { - case 0x32: - printk(BIOS_DEBUG, "OS Init\n"); - /* gnvs->smif: - * On success, the IO Trap Handler returns 0 - * On failure, the IO Trap Handler returns a value != 0 - */ - gnvs->smif = 0; - return 1; /* IO trap handled */ - } - - /* Not handled */ - return 0; -} - /** * @brief Set the EOS bit */ @@ -482,62 +456,6 @@ printk(BIOS_DEBUG, "Periodic SMI.\n"); }
-static void southbridge_smi_monitor(void) -{ -#define IOTRAP(x) (trap_sts & (1 << x)) -#if 0 - u32 trap_sts, trap_cycle; - u32 data, mask = 0; - int i; - - trap_sts = RCBA32(0x1e00); // TRSR - Trap Status Register - RCBA32(0x1e00) = trap_sts; // Clear trap(s) in TRSR - - trap_cycle = RCBA32(0x1e10); - for (i=16; i<20; i++) { - if (trap_cycle & (1 << i)) - mask |= (0xff << ((i - 16) << 2)); - } - - - /* IOTRAP(3) SMI function call */ - if (IOTRAP(3)) { - if (gnvs && gnvs->smif) - io_trap_handler(gnvs->smif); // call function smif - return; - } - - /* IOTRAP(2) currently unused - * IOTRAP(1) currently unused */ - - /* IOTRAP(0) SMIC */ - if (IOTRAP(0)) { - if (!(trap_cycle & (1 << 24))) { // It's a write - printk(BIOS_DEBUG, "SMI1 command\n"); - data = RCBA32(0x1e18); - data &= mask; - // if (smi1) - // southbridge_smi_command(data); - // return; - } - // Fall through to debug - } - - printk(BIOS_DEBUG, " trapped io address = 0x%x\n", trap_cycle & 0xfffc); - for (i=0; i < 4; i++) if (IOTRAP(i)) printk(BIOS_DEBUG, " TRAP = %d\n", i); - printk(BIOS_DEBUG, " AHBE = %x\n", (trap_cycle >> 16) & 0xf); - printk(BIOS_DEBUG, " MASK = 0x%08x\n", mask); - printk(BIOS_DEBUG, " read/write: %s\n", (trap_cycle & (1 << 24)) ? "read" : "write"); - - if (!(trap_cycle & (1 << 24))) { - /* Write Cycle */ - data = RCBA32(0x1e18); - printk(BIOS_DEBUG, " iotrap written data = 0x%08x\n", data); - } -#endif -#undef IOTRAP -} - typedef void (*smi_handler_t)(void);
smi_handler_t southbridge_smi[32] = { @@ -562,7 +480,7 @@ NULL, // [18] INTEL_USB2_STS NULL, // [19] reserved NULL, // [20] PCI_EXP_SMI_STS - southbridge_smi_monitor, // [21] MONITOR_STS + NULL, // [21] MONITOR_STS NULL, // [22] reserved NULL, // [23] reserved NULL, // [24] reserved