public inbox for u-boot@lists.denx.de
 help / color / mirror / Atom feed
* [U-Boot] [PATCH] tegra: pll: fix pllx cpcon in pllinfo table for t20/t30
@ 2015-08-05 14:37 Marcel Ziswiler
  2015-08-05 15:23 ` Tom Warren
  0 siblings, 1 reply; 5+ messages in thread
From: Marcel Ziswiler @ 2015-08-05 14:37 UTC (permalink / raw)
  To: u-boot

From: Marcel Ziswiler <marcel.ziswiler@toradex.com>

Fix CPCON mask and shift of PLLX for T20 as well as T30. While the
former's PLLX did not even lock any more resulting is super slow
operation the later seemed to still lock OK. Nonetheless I this patch
fixes it for both.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
---
Note: This patch requires Tom's two Tegra PLL patches being applied
first.

 arch/arm/mach-tegra/tegra20/clock.c | 2 +-
 arch/arm/mach-tegra/tegra30/clock.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-tegra/tegra20/clock.c b/arch/arm/mach-tegra/tegra20/clock.c
index df9f412..dea459b 100644
--- a/arch/arm/mach-tegra/tegra20/clock.c
+++ b/arch/arm/mach-tegra/tegra20/clock.c
@@ -379,7 +379,7 @@ struct clk_pll_info tegra_pll_info_table[CLOCK_ID_PLL_COUNT] = {
 	{ .m_shift = 0, .m_mask = 0x1F, .n_shift = 8, .n_mask = 0x3FF, .p_shift = 20, .p_mask = 0x07,
 	  .lock_ena = 22, .lock_det = 27, .kcp_shift = 8, .kcp_mask = 0xF, .kvco_shift = 4, .kvco_mask = 0xF },	/* PLLD */
 	{ .m_shift = 0, .m_mask = 0x1F, .n_shift = 8, .n_mask = 0x3FF,  .p_shift = 20, .p_mask = 0x0F,
-	  .lock_ena = 18, .lock_det = 27, .kcp_shift = 0, .kcp_mask = 0, .kvco_shift = 0, .kvco_mask = 0 },	/* PLLX */
+	  .lock_ena = 18, .lock_det = 27, .kcp_shift = 8, .kcp_mask = 0xF, .kvco_shift = 0, .kvco_mask = 0 },	/* PLLX */
 	{ .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF,  .p_shift = 0,  .p_mask = 0,
 	  .lock_ena = 9,  .lock_det = 11, .kcp_shift = 6, .kcp_mask = 3, .kvco_shift = 0, .kvco_mask = 1 },	/* PLLE */
 	{ .m_shift = 0, .m_mask = 0x0F, .n_shift = 8, .n_mask = 0x3FF, .p_shift = 20, .p_mask = 0x07,
diff --git a/arch/arm/mach-tegra/tegra30/clock.c b/arch/arm/mach-tegra/tegra30/clock.c
index 4267bb2..3ce508b 100644
--- a/arch/arm/mach-tegra/tegra30/clock.c
+++ b/arch/arm/mach-tegra/tegra30/clock.c
@@ -428,7 +428,7 @@ struct clk_pll_info tegra_pll_info_table[CLOCK_ID_PLL_COUNT] = {
 	{ .m_shift = 0, .m_mask = 0x1F, .n_shift = 8, .n_mask = 0x3FF, .p_shift = 20, .p_mask = 0x07,
 	  .lock_ena = 22, .lock_det = 27, .kcp_shift = 8, .kcp_mask = 0xF, .kvco_shift = 4, .kvco_mask = 0xF },	/* PLLD */
 	{ .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF,  .p_shift = 20, .p_mask = 0x0F,
-	  .lock_ena = 18, .lock_det = 27, .kcp_shift = 0, .kcp_mask = 0, .kvco_shift = 0, .kvco_mask = 0 },	/* PLLX */
+	  .lock_ena = 18, .lock_det = 27, .kcp_shift = 8, .kcp_mask = 0xF, .kvco_shift = 0, .kvco_mask = 0 },	/* PLLX */
 	{ .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF,  .p_shift = 0,  .p_mask = 0,
 	  .lock_ena = 9,  .lock_det = 11, .kcp_shift = 6, .kcp_mask = 3, .kvco_shift = 0, .kvco_mask = 1 },	/* PLLE */
 	{ .m_shift = 0, .m_mask = 0x0F, .n_shift = 8, .n_mask = 0x3FF, .p_shift = 20, .p_mask = 0x07,
-- 
2.4.3

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2015-08-05 16:14 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-08-05 14:37 [U-Boot] [PATCH] tegra: pll: fix pllx cpcon in pllinfo table for t20/t30 Marcel Ziswiler
2015-08-05 15:23 ` Tom Warren
2015-08-05 15:33   ` Marcel Ziswiler
2015-08-05 16:13     ` Tom Warren
2015-08-05 16:14       ` Stephen Warren

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox