baytrail/rambi: spi, charger, and audio updates

baytrail: combine SPI configuration in romstage
Reviewed-on: https://chromium-review.googlesource.com/185140
(cherry picked from commit 4e7f0e8ae1138e478ae7106d54719cf05e13b402)

baytrail: lock down registers before handoff
Reviewed-on: https://chromium-review.googlesource.com/185200
(cherry picked from commit 82cce4d2b46ccc554b71efa179b5d95756e2ad5e)

baytrail: invoke SMM finalization on handoff
Reviewed-on: https://chromium-review.googlesource.com/185201
(cherry picked from commit 1b50affb1fdda52a5986c9429713930ed517a86a)

rambi: don't invoke SMM finalization
Reviewed-on: https://chromium-review.googlesource.com/185202
(cherry picked from commit 6eff475dae7f4536eb846ccf6d51fce262b8ffef)

rambi: remove handling of APM_CNT_FINALIZE
Reviewed-on: https://chromium-review.googlesource.com/185203
(cherry picked from commit 9fc310d7e2730466cc7fcc84999502a2d4d08bab)

baytrail: don't increment boot count on S3 resume
Reviewed-on: https://chromium-review.googlesource.com/185381
(cherry picked from commit 940a0fa4df1ce335229eb6f80143b93a84ba358c)

rambi: enable HDA device
Reviewed-on: https://chromium-review.googlesource.com/184574
(cherry picked from commit 334f2a5c7c6540e744b6aaf7e1da0b55e1368196)

baytrail: lock down spi controller according to mainboard
Reviewed-on: https://chromium-review.googlesource.com/185631
(cherry picked from commit 696ece68cb6d522c248e800f168e675e4b4a7317)

rambi: implement mainboard_get_spi_config() to lock dow spi controller
Reviewed-on: https://chromium-review.googlesource.com/185632
(cherry picked from commit 1d9ba15858fd421a4fe5a47f7171273128e89524)

baytrail: introduce ssus_disable_internal_pull()
Reviewed-on: https://chromium-review.googlesource.com/185740
(cherry picked from commit 9d6056dd70b27183dab6a4656f4f9612ae870a4d)

rambi: fix write-protect gpio reading at romstage
Reviewed-on: https://chromium-review.googlesource.com/185741
(cherry picked from commit c64627689b1afec59be6fdab323d5492046f0bc7)

baytrail: DPTF: implement charger current limit
Reviewed-on: https://chromium-review.googlesource.com/185759
(cherry picked from commit 287e8936613a7a83281ff692b20383dacf7fcaf6)

rambi: Enable charger participant and define states
Reviewed-on: https://chromium-review.googlesource.com/185760
(cherry picked from commit 2f62a11927ecf10cb2c76a9f5d368d4050404137)

baytrail: increase command wait timeout
Reviewed-on: https://chromium-review.googlesource.com/185874
(cherry picked from commit 962a79ef72169b5d52fc746d1889d3b652fd9bcc)

baytrail: make caching MRC data more robust
Reviewed-on: https://chromium-review.googlesource.com/185875
(cherry picked from commit b5e10ad47b9e4f330caaee4faf69702f24d6bdd8)

baytrail: upgrade MRC wrapper header
Reviewed-on: https://chromium-review.googlesource.com/186391
(cherry picked from commit 8c1a62f1f4261d4f38aacbbb353c9d6218ec2885)

rambi: instruct MRC to use weaker memory ODT settings
Reviewed-on: https://chromium-review.googlesource.com/186420
(cherry picked from commit b9329126ca08d20ce1d8c5db0fcabd39140c7292)

rambi: Move touch wakeup resource GPIO to separate device
Reviewed-on: https://chromium-review.googlesource.com/186932
(cherry picked from commit ba44e2e04f9469c629cb61a911c8cd339f52b0ef)

baytrail: Set some MSRs related to turbo power
Reviewed-on: https://chromium-review.googlesource.com/186933
(cherry picked from commit 76b25df5a31914ae58d47d17af448216011e425c)

baytrail: change power consumption number for ACPI_C3/C6FS.
Reviewed-on: https://chromium-review.googlesource.com/186934
(cherry picked from commit 5192e2464fbb88ea6fc117070240c9733e34f065)

baytrail: Fix use of ConcatenateResTemplate() in ACPI LPE device
Reviewed-on: https://chromium-review.googlesource.com/186928
(cherry picked from commit 8d1ab5de1d43b0790d140f6d0e36a990a5049ece)

baytrail: Disable P-state HW coordination on 4-core SKU
Reviewed-on: https://chromium-review.googlesource.com/187575
(cherry picked from commit c19c0f1d7cb3cb2635766c186ba9598933424a78)

baytrail: DPTF: Enable mainboard-specific _PDL
Reviewed-on: https://chromium-review.googlesource.com/187576
(cherry picked from commit 5412ac5c07bee22017a0ee6d1e2433917b98ea87)

rambi: Apply DPTF tuning parameters
Reviewed-on: https://chromium-review.googlesource.com/187577
(cherry picked from commit 932a5a3803ceaf430ad2934b371ac0886c25efca)

rambi : change lpe_codec_clk_freq to 19.2
Reviewed-on: https://chromium-review.googlesource.com/187594
(cherry picked from commit f64cb1ae77076ad5ec994670f4a83dc561ea80c4)

Squashed 25 commits for baytrail/rambi.

Change-Id: Ibe628ac974d117a09361f7f3131a488911ddd27d
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6933
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>

1 files changed, 18 insertions, 19 deletions

diff --git a/src/soc/intel/baytrail/romstage/romstage.c b/src/soc/intel/baytrail/romstage/romstage.c
index 3a1d65d8ab..1c08f339fd 100644
--- a/src/soc/intel/baytrail/romstage/romstage.c
+++ b/src/soc/intel/baytrail/romstage/romstage.c
@@ -98,9 +98,19 @@ static void program_base_addresses(void)
 
 static void spi_init(void)
 {
+	const unsigned long scs = SPI_BASE_ADDRESS + SCS;
 	const unsigned long bcr = SPI_BASE_ADDRESS + BCR;
-	/* Enable caching and prefetching in the SPI controller. */
-	write32(bcr, (read32(bcr) & ~SRC_MASK) | SRC_CACHE_PREFETCH);
+	uint32_t reg;
+
+	/* Disable generating SMI when setting WPD bit. */
+	write32(scs, read32(scs) & ~SMIWPEN);
+	/*
+	 * Enable caching and prefetching in the SPI controller. Disable
+	 * the SMM-only BIOS write and set WPD bit.
+	 */
+	reg = (read32(bcr) & ~SRC_MASK) | SRC_CACHE_PREFETCH | BCR_WPD;
+	reg &= ~EISS;
+	write32(bcr, reg);
 }
 
 static inline void mark_ts(struct romstage_params *rp, uint64_t ts)
@@ -239,15 +249,17 @@ void romstage_common(struct romstage_params *params)
 
 	mark_ts(params, timestamp_get());
 
-#if CONFIG_ELOG_BOOT_COUNT
-	boot_count_increment();
-#endif
-
 	ps = fill_power_state();
 	prev_sleep_state = chipset_prev_sleep_state(ps);
 
 	printk(BIOS_DEBUG, "prev_sleep_state = S%d\n", prev_sleep_state);
 
+#if CONFIG_ELOG_BOOT_COUNT
+	if (prev_sleep_state != 3)
+		boot_count_increment();
+#endif
+
+
 	/* Initialize RAM */
 	raminit(params->mrc_params, prev_sleep_state);
 
@@ -268,21 +280,8 @@ void romstage_common(struct romstage_params *params)
 	timestamp_add(TS_AFTER_INITRAM, ts64_to_tsc(params->ts.times[3]));
 }
 
-static void open_up_spi(void)
-{
-	const uintptr_t sbase = SPI_BASE_ADDRESS;
-
-	/* Disable generating SMI when setting WPD bit. */
-	write32(sbase + 0xf8, read32(sbase + 0xf8) & ~(1 << 7));
-	/* Disable the SMM-only BIOS write and set WPD bit. */
-	write32(sbase + 0xfc, 1 | (read32(sbase + 0xfc) & ~(1 << 5)));
-}
-
 void asmlinkage romstage_after_car(void)
 {
-	/* Allow BIOS to program SPI part. */
-	open_up_spi();
-
 	timestamp_add_now(TS_END_ROMSTAGE);
 
 	/* Load the ramstage. */