[PATCH 06/13] clk: tegra: slow down MSELECT to 102MHz
Lucas Stach
dev at lynxeye.de
Sun Nov 2 12:13:48 PST 2014
Don't know where I got the 204MHZ previously, but
102MHz is the official supported maximum.
Signed-off-by: Lucas Stach <dev at lynxeye.de>
---
Overclocking MSELECT by 100% seems to lead to
PCIe failures. Much more on T124 than on T30.
---
drivers/clk/tegra/clk-tegra124.c | 2 +-
drivers/clk/tegra/clk-tegra30.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c
index 514b22a..3530127 100644
--- a/drivers/clk/tegra/clk-tegra124.c
+++ b/drivers/clk/tegra/clk-tegra124.c
@@ -286,7 +286,7 @@ static struct tegra_clk_init_table init_table[] = {
{TEGRA124_CLK_PLL_P_OUT2, TEGRA124_CLK_CLK_MAX, 48000000, 1},
{TEGRA124_CLK_PLL_P_OUT3, TEGRA124_CLK_CLK_MAX, 102000000, 1},
{TEGRA124_CLK_PLL_P_OUT4, TEGRA124_CLK_CLK_MAX, 204000000, 1},
- {TEGRA124_CLK_MSELECT, TEGRA124_CLK_PLL_P, 204000000, 1},
+ {TEGRA124_CLK_MSELECT, TEGRA124_CLK_PLL_P, 102000000, 1},
{TEGRA124_CLK_UARTA, TEGRA124_CLK_PLL_P, 0, 1},
{TEGRA124_CLK_UARTB, TEGRA124_CLK_PLL_P, 0, 1},
{TEGRA124_CLK_UARTC, TEGRA124_CLK_PLL_P, 0, 1},
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index 9997ab9..7210053 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -351,7 +351,7 @@ static struct tegra_clk_init_table init_table[] = {
{TEGRA30_CLK_PLL_P_OUT2, TEGRA30_CLK_CLK_MAX, 48000000, 1},
{TEGRA30_CLK_PLL_P_OUT3, TEGRA30_CLK_CLK_MAX, 102000000, 1},
{TEGRA30_CLK_PLL_P_OUT4, TEGRA30_CLK_CLK_MAX, 204000000, 1},
- {TEGRA30_CLK_MSELECT, TEGRA30_CLK_PLL_P, 204000000, 1},
+ {TEGRA30_CLK_MSELECT, TEGRA30_CLK_PLL_P, 102000000, 1},
{TEGRA30_CLK_UARTA, TEGRA30_CLK_PLL_P, 0, 1},
{TEGRA30_CLK_UARTB, TEGRA30_CLK_PLL_P, 0, 1},
{TEGRA30_CLK_UARTC, TEGRA30_CLK_PLL_P, 0, 1},
--
1.9.3
More information about the barebox
mailing list