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authorSvyatoslav Ryhel <clamor95@gmail.com>2023-02-01 11:53:01 +0300
committerTom <twarren@nvidia.com>2023-02-02 20:16:41 +0300
commit87a758652b4f6d343f19d23bd5dba7d0f2491245 (patch)
tree04771d501ddfb1100ab0352138ee0cbdd4902241 /arch/arm/mach-tegra/tegra30/clock.c
parent1e1cd8eb2d0c8e5b28b2dd6622ec9cbbd5eb61b8 (diff)
downloadu-boot-87a758652b4f6d343f19d23bd5dba7d0f2491245.tar.xz
ARM: tegra: remap clock_osc_freq for all Tegra family
Enum clock_osc_freq was designed to use only with T20. This patch remaps it to use additional frequencies, added in T30+ SoC while maintaining backwards compatibility with T20. Tested-by: Andreas Westman Dorcsak <hedmoo@yahoo.com> # ASUS TF600T T30 Tested-by: Jonas Schwöbel <jonasschwoebel@yahoo.de> # Surface RT T30 Tested-by: Robert Eckelmann <longnoserob@gmail.com> # ASUS TF101 T20 Tested-by: Agneli <poczt@protonmail.ch> # Toshiba AC100 T20 Tested-by: Thierry Reding <treding@nvidia.com> # T30, T124, T210 Tested-by: Svyatoslav Ryhel <clamor95@gmail.com> # LG P895 T30 Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom <twarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/tegra30/clock.c')
-rw-r--r--arch/arm/mach-tegra/tegra30/clock.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/arm/mach-tegra/tegra30/clock.c b/arch/arm/mach-tegra/tegra30/clock.c
index c835cd0d47..449b66e3b2 100644
--- a/arch/arm/mach-tegra/tegra30/clock.c
+++ b/arch/arm/mach-tegra/tegra30/clock.c
@@ -439,8 +439,7 @@ struct clk_pll_info tegra_pll_info_table[CLOCK_ID_PLL_COUNT] = {
/*
* Get the oscillator frequency, from the corresponding hardware configuration
- * field. Note that T30 supports 3 new higher freqs, but we map back
- * to the old T20 freqs. Support for the higher oscillators is TBD.
+ * field. Note that T30+ supports 3 new higher freqs.
*/
enum clock_osc_freq clock_get_osc_freq(void)
{
@@ -449,12 +448,7 @@ enum clock_osc_freq clock_get_osc_freq(void)
u32 reg;
reg = readl(&clkrst->crc_osc_ctrl);
- reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
-
- if (reg & 1) /* one of the newer freqs */
- printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
-
- return reg >> 2; /* Map to most common (T20) freqs */
+ return (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
}
/* Returns a pointer to the clock source register for a peripheral */