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| author | Thierry Reding <thierry.reding@gmail.com> | 2013-10-01 17:04:45 +0200 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2013-12-18 10:19:48 -0700 |
| commit | 4475c7752d054050ffb5e844a32ab1a6881d7aa0 (patch) | |
| tree | 2596beb616c0c549ce1842bd8767f229a3dbb608 /arch | |
| parent | 44de8e22ecfc0106c0aea7f39b9aa85aebf46b9c (diff) | |
| download | u-boot-imx-4475c7752d054050ffb5e844a32ab1a6881d7aa0.zip u-boot-imx-4475c7752d054050ffb5e844a32ab1a6881d7aa0.tar.gz u-boot-imx-4475c7752d054050ffb5e844a32ab1a6881d7aa0.tar.bz2 | |
Tegra114: Do not program CPCON field for PLLX
PLLX no longer has the CPCON field on Tegra114, so do not attempt to
program it.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/arm720t/tegra-common/cpu.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/cpu/arm720t/tegra-common/cpu.c b/arch/arm/cpu/arm720t/tegra-common/cpu.c index aa1e04f..72c69b9 100644 --- a/arch/arm/cpu/arm720t/tegra-common/cpu.c +++ b/arch/arm/cpu/arm720t/tegra-common/cpu.c @@ -135,6 +135,7 @@ void adjust_pllp_out_freqs(void) int pllx_set_rate(struct clk_pll_simple *pll , u32 divn, u32 divm, u32 divp, u32 cpcon) { + int chip = tegra_get_chip(); u32 reg; /* If PLLX is already enabled, just return */ @@ -151,7 +152,10 @@ int pllx_set_rate(struct clk_pll_simple *pll , u32 divn, u32 divm, writel(reg, &pll->pll_base); /* Set cpcon to PLLX_MISC */ - reg = (cpcon << PLL_CPCON_SHIFT); + if (chip == CHIPID_TEGRA20 || chip == CHIPID_TEGRA30) + reg = (cpcon << PLL_CPCON_SHIFT); + else + reg = 0; /* Set dccon to PLLX_MISC if freq > 600MHz */ if (divn > 600) |