[coreboot-gerrit] Patch set updated for coreboot: d343987 coreboot t132: Remove init pllx for now
Marc Jones (marc.jones@se-eng.com)
gerrit at coreboot.org
Wed Mar 4 02:10:53 CET 2015
Marc Jones (marc.jones at se-eng.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8571
-gerrit
commit d343987e175a354b6365c79a1d5ea0ee7c53cbfe
Author: Furquan Shaikh <furquan at google.com>
Date: Wed Jun 25 11:37:04 2014 -0700
coreboot t132: Remove init pllx for now
We suspect that the code was stuck on init pllx (PLLX - acts as a clock source
for the CPU cluster). So, remove the init call for pllx. This needs to be added
later when required. Also, add a few more printks to display the progress.
BUG=None
BRANCH=None
TEST=Compiles successfully for rush. Print messages seen on serial console.
Original-Change-Id: I70e908a9ce1f3598d68bda68c0401a78834597d1
Original-Signed-off-by: Furquan Shaikh <furquan at google.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/205680
Original-Tested-by: Furquan Shaikh <furquan at chromium.org>
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
Original-Commit-Queue: Furquan Shaikh <furquan at chromium.org>
(cherry picked from commit d557d99edb855fbf7b32231c6746c676041bf62a)
Signed-off-by: Marc Jones <marc.jones at se-eng.com>
Change-Id: Iaf56f2d587708c6e9fb01d4ced2edb5931075a81
---
src/soc/nvidia/tegra132/bootblock.c | 6 +++++-
src/soc/nvidia/tegra132/clock.c | 7 -------
2 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/src/soc/nvidia/tegra132/bootblock.c b/src/soc/nvidia/tegra132/bootblock.c
index f377bc1..46b7b3a 100644
--- a/src/soc/nvidia/tegra132/bootblock.c
+++ b/src/soc/nvidia/tegra132/bootblock.c
@@ -54,12 +54,16 @@ void main(void)
if (CONFIG_BOOTBLOCK_CONSOLE) {
console_init();
exception_init();
- printk(BIOS_INFO, "Tegra132: Bootblock here\n");
+ printk(BIOS_INFO, "T132: Bootblock here\n");
}
clock_init();
+ printk(BIOS_INFO, "T132 bootblock: Clock init done\n");
+
bootblock_mainboard_init();
+ printk(BIOS_INFO, "T132 bootblock: Mainboard bootblock init done\n");
+
while(1);
}
diff --git a/src/soc/nvidia/tegra132/clock.c b/src/soc/nvidia/tegra132/clock.c
index 9db957c..66eaf1e 100644
--- a/src/soc/nvidia/tegra132/clock.c
+++ b/src/soc/nvidia/tegra132/clock.c
@@ -519,9 +519,6 @@ void clock_init(void)
clrsetbits_le32(&pmc->osc_edpd_over, PMC_OSC_EDPD_OVER_XOFS_MASK,
OSC_DRIVE_STRENGTH << PMC_OSC_EDPD_OVER_XOFS_SHIFT);
- /* Disable IDDQ for PLLX before we set it up (from U-Boot -- why?) */
- clrbits_le32(&clk_rst->pllx_misc3, PLLX_IDDQ_MASK);
-
/* Set up PLLP_OUT(1|2|3|4) divisor to generate (9.6|48|102|204)MHz */
write32((CLK_DIVIDER(TEGRA_PLLP_KHZ, 9600) << PLL_OUT_RATIO_SHIFT |
PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT1_SHIFT |
@@ -534,10 +531,6 @@ void clock_init(void)
PLL_OUT_OVR | PLL_OUT_CLKEN | PLL_OUT_RSTN) << PLL_OUT4_SHIFT,
&clk_rst->pllp_outb);
- /* init pllx */
- init_pll(&clk_rst->pllx_base, &clk_rst->pllx_misc,
- osc_table[osc].pllx, PLLPAXS_MISC_LOCK_ENABLE);
-
/* init pllu */
init_pll(&clk_rst->pllu_base, &clk_rst->pllu_misc,
osc_table[osc].pllu, PLLUD_MISC_LOCK_ENABLE);
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