Re: [PATCH V4 5/8] memory: tegra: Add EMC scaling support code for Tegra210

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



29.05.2019 11:21, Joseph Lo пишет:
> This patch adds the required APIs and variables for the EMC scaling
> sequence code on Tegra210.
> 
> Based on the work of Peter De Schrijver <pdeschrijver@xxxxxxxxxx>.
> 
> Signed-off-by: Joseph Lo <josephl@xxxxxxxxxx>
> ---
> v4:
> - fix the API with generic naming

> +extern const struct emc_table_register_offset reg_off;
> +extern unsigned long dram_over_temp_state;
> +
> +void ccfifo_writel(struct tegra_emc *emc, u32 val, unsigned long addr,
> +		   u32 delay);
> +u32 div_o3(u32 a, u32 b);
> +void emc_writel(struct tegra_emc *emc, u32 val, unsigned long offset);
> +u32  emc_readl(struct tegra_emc *emc, unsigned long offset);
> +void emc_writel_per_ch(struct tegra_emc *emc, u32 val, int type,
> +		       unsigned long offset);
> +u32  emc1_readl(struct tegra_emc *emc, unsigned long offset);
> +
> +void emc_do_clock_change(struct tegra_emc *emc, u32 clksrc);
> +void emc_set_shadow_bypass(struct tegra_emc *emc, int set);
> +void emc_timing_update(struct tegra_emc *emc, int dual_chan);
> +u32 emc_get_dll_state(struct emc_table *next_timing);
> +struct emc_table *emc_get_timing_from_freq(struct tegra_emc *emc,
> +					   unsigned long rate);
> +void emc_set_over_temp_timing(struct tegra_emc *emc, struct emc_table *timing,
> +			      unsigned long state);
> +int emc_wait_for_update(struct tegra_emc *emc, u32 status_reg, u32 bit_mask,
> +			bool updated_state, int chan);

It wouldn't hurt to prepend these all with "tegra210_".

-- 
Dmitry



[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux