diff options
| author | Duncan Laurie <dlaurie@chromium.org> | 2012-06-28 13:03:40 -0700 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2012-07-24 19:06:17 +0200 |
| commit | 3f6a4d71647ebd7484c1c40be4c909d3c183e4fa (patch) | |
| tree | 45499e80180779214b93793581b8fcef954062a0 /src | |
| parent | afcaac2db512c5868db81e2dc038b5ae19ec8b71 (diff) | |
Add specific power management init code for PantherPoint
There are enough subtle differences in the magic values that
it is easier to make a separate function.
This fixes a reset hang with pantherpoint chipset.
Change-Id: I02b03cb37e5fd5ee2fd62067644f0a62dc2cd26a
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/1322
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/lpc.c | 58 |
1 files changed, 56 insertions, 2 deletions
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c index 37f929065f..30edbde6eb 100644 --- a/src/southbridge/intel/bd82x6x/lpc.c +++ b/src/southbridge/intel/bd82x6x/lpc.c @@ -302,8 +302,10 @@ static void pch_rtc_init(struct device *dev) rtc_init(rtc_failed); } -static void pch_pm_init(struct device *dev) +/* CougarPoint PCH Power Management init */ +static void cpt_pm_init(struct device *dev) { + printk(BIOS_DEBUG, "CougarPoint PM init\n"); pci_write_config8(dev, 0xa9, 0x47); RCBA32_AND_OR(0x2238, ~0UL, (1 << 6)|(1 << 0)); RCBA32_AND_OR(0x228c, ~0UL, (1 << 0)); @@ -342,6 +344,49 @@ static void pch_pm_init(struct device *dev) RCBA32_AND_OR(0x21b0, ~0UL, 0xf); } +/* PantherPoint PCH Power Management init */ +static void ppt_pm_init(struct device *dev) +{ + printk(BIOS_DEBUG, "PantherPoint PM init\n"); + pci_write_config8(dev, 0xa9, 0x47); + RCBA32_AND_OR(0x2238, ~0UL, (1 << 0)); + RCBA32_AND_OR(0x228c, ~0UL, (1 << 0)); + RCBA16_AND_OR(0x1100, ~0UL, (1 << 13)|(1 << 14)); + RCBA16_AND_OR(0x0900, ~0UL, (1 << 14)); + RCBA32(0x2304) = 0xc03b8400; + RCBA32_AND_OR(0x2314, ~0UL, (1 << 5)|(1 << 18)); + RCBA32_AND_OR(0x2320, ~0UL, (1 << 15)|(1 << 1)); + RCBA32_AND_OR(0x3314, ~0x1f, 0xf); + RCBA32(0x3318) = 0x054f0000; + RCBA32(0x3324) = 0x04000000; + RCBA32_AND_OR(0x3340, ~0UL, 0xfffff); + RCBA32_AND_OR(0x3344, ~0UL, (1 << 1)|(1 << 0)); + RCBA32(0x3360) = 0x0001c000; + RCBA32(0x3368) = 0x00061100; + RCBA32(0x3378) = 0x7f8fdfff; + RCBA32(0x337c) = 0x000003fd; + RCBA32(0x3388) = 0x00001000; + RCBA32(0x3390) = 0x0001c000; + RCBA32(0x33a0) = 0x00000800; + RCBA32(0x33b0) = 0x00001000; + RCBA32(0x33c0) = 0x00093900; + RCBA32(0x33cc) = 0x24653002; + RCBA32(0x33d0) = 0x067388fe; + RCBA32_AND_OR(0x33d4, 0xf000f000, 0x00670060); + RCBA32(0x3a28) = 0x01010000; + RCBA32(0x3a2c) = 0x01010404; + RCBA32(0x3a80) = 0x01040000; + RCBA32_AND_OR(0x3a84, ~0x0000ffff, 0x00001001); + RCBA32_AND_OR(0x3a84, ~0UL, (1 << 24)); /* SATA 2/3 disabled */ + RCBA32_AND_OR(0x3a88, ~0UL, (1 << 0)); /* SATA 4/5 disabled */ + RCBA32(0x3a6c) = 0x00000001; + RCBA32_AND_OR(0x2344, 0x00ffff00, 0xff00000c); + RCBA32_AND_OR(0x80c, ~(0xff << 20), 0x11 << 20); + RCBA32_AND_OR(0x33a4, ~0UL, (1 << 0)); + RCBA32(0x33c8) = 0; + RCBA32_AND_OR(0x21b0, ~0UL, 0xf); +} + static void enable_hpet(void) { u32 reg32; @@ -500,7 +545,16 @@ static void lpc_init(struct device *dev) pch_power_options(dev); /* Initialize power management */ - pch_pm_init(dev); + switch (pch_silicon_type()) { + case PCH_TYPE_CPT: /* CougarPoint */ + cpt_pm_init(dev); + break; + case PCH_TYPE_PPT: /* PantherPoint */ + ppt_pm_init(dev); + break; + default: + printk(BIOS_ERR, "Unknown Chipset: 0x%04x\n", dev->device); + } /* Set the state of the GPIO lines. */ //gpio_init(dev); |