diff options
| author | Jett Rink <jettrink@chromium.org> | 2018-03-22 10:18:49 -0600 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-03-26 17:03:27 -0700 |
| commit | 6a7fb0d39bf84d7199f0a3f1f9a32cd85dc1113e (patch) | |
| tree | 66ed0813f563bb89527da05dbb1fa884b0e86df7 /chip/npcx/lpc.c | |
| parent | b57ad0e1b82f87e7882e3bd7d05b8e994ad5a414 (diff) | |
| download | chrome-ec-6a7fb0d39bf84d7199f0a3f1f9a32cd85dc1113e.tar.gz | |
lpc: remove lpc_host_reset
No one is using this method and it implies that all chipset should
support the RCIN# Virtual Wire if using eSPI. Only large core chips
use RCIN#; small core chips don't.
This method was introduced for skylake and has since been replaced
since CL:575947 was merged.
BRANCH=none
BUG=none
TEST=build all
Change-Id: Ic541e3d61d1e0ecc64a0bb12385bdada40f0acf2
Signed-off-by: Jett Rink <jettrink@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/975904
Diffstat (limited to 'chip/npcx/lpc.c')
| -rw-r--r-- | chip/npcx/lpc.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/chip/npcx/lpc.c b/chip/npcx/lpc.c index 078474b2e5..518e15f957 100644 --- a/chip/npcx/lpc.c +++ b/chip/npcx/lpc.c @@ -792,33 +792,6 @@ int lpc_get_pltrst_asserted(void) return IS_BIT_SET(NPCX_MSWCTL1, NPCX_MSWCTL1_PLTRST_ACT); } -void lpc_host_reset(void) -{ - /* Host Reset Control will assert KBRST# (LPC) or RCIN# VW (eSPI) */ -#ifdef CONFIG_ESPI_VW_SIGNALS - int timeout = 100; /* 100 * 10us = 1ms */ - - /* Assert RCIN# VW to host */ - SET_BIT(NPCX_MSWCTL1, NPCX_MSWCTL1_HRSTOB); - - /* Poll for dirty bit to clear to indicate VW read by host */ - while ((NPCX_VWEVSM(2) & VWEVSM_DIRTY(1))) { - if (!timeout--) { - CPRINTS("RCIN# VW Timeout"); - break; - } - udelay(10); - } - - /* Deassert RCIN# VW to host */ - CLEAR_BIT(NPCX_MSWCTL1, NPCX_MSWCTL1_HRSTOB); -#else - SET_BIT(NPCX_MSWCTL1, NPCX_MSWCTL1_HRSTOB); - udelay(10); - CLEAR_BIT(NPCX_MSWCTL1, NPCX_MSWCTL1_HRSTOB); -#endif -} - #ifndef CONFIG_ESPI /* Initialize host settings by interrupt */ void lpc_lreset_pltrst_handler(void) |