p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

clk: tegra: Enable hardware control of SATA PLL 

This makes the SATA PLL be controlled by hardware instead of software.
This is required for working SATA support.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Mikko Perttunen 2014-06-18 17:23:23 +03:00 committed by Peter De Schrijver
parent 167d5366c4
commit 37ab366251
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/clk/tegra/clk-pll.c
View File

@ -110,6 +110,9 @@
#define XUSBIO_PLL_CFG0_SEQ_ENABLE BIT(24)
#define XUSBIO_PLL_CFG0_SEQ_START_STATE BIT(25)
#define SATA_PLL_CFG0 0x490
#define SATA_PLL_CFG0_PADPLL_RESET_SWCTL BIT(0)
#define PLLE_MISC_PLLE_PTS BIT(8)
#define PLLE_MISC_IDDQ_SW_VALUE BIT(13)
#define PLLE_MISC_IDDQ_SW_CTRL BIT(14)
@ -1361,6 +1364,11 @@ static int clk_plle_tegra114_enable(struct clk_hw *hw)
val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
pll_writel(val, XUSBIO_PLL_CFG0, pll);
/* Enable hw control of SATA pll */
val = pll_readl(SATA_PLL_CFG0, pll);
val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
pll_writel(val, SATA_PLL_CFG0, pll);
out:
if (pll->lock)
spin_unlock_irqrestore(pll->lock, flags);