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google/gale: Remove some unwanted code 

BUG=chrome-os-partner:49249
TEST=Compiles and boots
BRANCH=none

Original-Commit-Id: 96a125f99af3eaa8931563fa74ccef8dd997f3ca
Original-Change-Id: Iebfe7429c400e7119510a51c3124d432f00af76d
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333319
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>

squashed:

soc/qualcomm/ipq40xx: Add function to reset TPM

BUG=chrome-os-partner:49249
TEST=Able to read TPM registers
BRANCH=none

Original-Commit-Id: 9df3e9dfe61382143394a58a3a927c05a875b377
Original-Change-Id: I38732acc4418c94b88a430ba697db4e3b145c341
Original-Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/333317
Original-Commit-Ready: David Hendricks <dhendrix@chromium.org>
Original-Tested-by: David Hendricks <dhendrix@chromium.org>
Original-Reviewed-by: David Hendricks <dhendrix@chromium.org>

Change-Id: Ifc8df3b7e231eef944efec3a6f973b402c11bcaf
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/14674
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Varadarajan Narayanan 2015-11-25 14:26:01 +05:30 committed by Patrick Georgi
parent f136524d00
commit fce799c1b2
2 changed files with 34 additions and 41 deletions
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2
src/mainboard/google/gale/chromeos.c
View File

@ -78,8 +78,10 @@ enum switch_state {
static void display_pattern(int pattern)
{
#if IS_ENABLED(notyet)
if (board_id() == BOARD_ID_WHIRLWIND_SP5)
ww_ring_display_pattern(GSBI_ID_7, pattern);
#endif
}
#define WIPEOUT_MODE_DELAY_MS (8 * 1000)

73
src/mainboard/google/gale/mainboard.c
View File

@ -31,62 +31,53 @@
static void setup_usb(void)
{
#if !CONFIG_BOARD_VARIANT_AP148
gpio_tlmm_config_set(USB_ENABLE_GPIO, FUNC_SEL_GPIO,
GPIO_PULL_UP, GPIO_10MA, GPIO_ENABLE);
gpio_set(USB_ENABLE_GPIO, 1);
#endif
usb_clock_config();
setup_usb_host1();
}
#define TPM_RESET_GPIO 22
static void setup_tpm(void)
#define TPM_RESET_GPIO 19
static void ipq_setup_tpm(void)
{
if (board_id() != BOARD_ID_PROTO_0)
return; /* Only proto0 have TPM reset connected to GPIO22 */
gpio_tlmm_config_set(TPM_RESET_GPIO, FUNC_SEL_GPIO, GPIO_PULL_UP,
GPIO_4MA, GPIO_ENABLE);
/*
* Generate a reset pulse. The spec calls for 80 us minimum, let's
* make it twice as long. If the output was driven low originally, the
* reset pulse will be even longer.
*/
#ifdef CONFIG_I2C_TPM
gpio_tlmm_config_set(TPM_RESET_GPIO, FUNC_SEL_GPIO,
GPIO_PULL_UP, GPIO_6MA, 1);
gpio_set(TPM_RESET_GPIO, 0);
udelay(160);
udelay(100);
gpio_set(TPM_RESET_GPIO, 1);
}
#define SW_RESET_GPIO 26
static void assert_sw_reset(void)
{
if (board_id() == BOARD_ID_PROTO_0)
return;
/*
* only proto0.2 and later care about this. We want to keep the
* ethernet switch in reset, otherwise it comes up in default
* (bridging) mode.
* ----- Per the SLB 9615XQ1.2 spec -----
*
* 4.7.1 Reset Timing
*
* The TPM_ACCESS_x.tpmEstablishment bit has the correct value
* and the TPM_ACCESS_x.tpmRegValidSts bit is typically set
* within 8ms after RESET# is deasserted.
*
* The TPM is ready to receive a command after less than 30 ms.
*
* --------------------------------------
*
* I'm assuming this means "wait for 30ms"
*
* If we don't wait here, subsequent QUP I2C accesses
* to the TPM either fail or timeout.
*/
gpio_tlmm_config_set(SW_RESET_GPIO, FUNC_SEL_GPIO,
GPIO_PULL_UP, GPIO_4MA, GPIO_ENABLE);
mdelay(30);
gpio_set(SW_RESET_GPIO, 1);
#endif /* CONFIG_I2C_TPM */
}
static void mainboard_init(device_t dev)
{
/* disable mmu and d-cache before setting up secure world.*/
dcache_mmu_disable();
start_tzbsp();
/* Setup mmu and d-cache again as non secure entries. */
setup_mmu(DRAM_INITIALIZED);
start_rpm();
setup_usb();
assert_sw_reset();
setup_tpm();
/* disable mmu and d-cache before setting up secure world.*/
dcache_mmu_disable();
start_tzbsp();
/* Setup mmu and d-cache again as non secure entries. */
setup_mmu(DRAM_INITIALIZED);
setup_usb();
ipq_setup_tpm();
#if IS_ENABLED(CONFIG_CHROMEOS)
/* Copy WIFI calibration data into CBMEM. */
@ -99,7 +90,7 @@ static void mainboard_init(device_t dev)
*
* 48000 * 2 * 16 * 4 = 6144000
*/
audio_clock_config(6144000);
//audio_clock_config(6144000);
}
static void mainboard_enable(device_t dev)