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Commit bc71cf75 authored by Rishabh Bhatnagar's avatar Rishabh Bhatnagar
Browse files

drivers: llcc: Write to sub-cache register based on version 



Check the llcc version before writing to write subcache register as
its not supported by older targets.

Change-Id: Ifc3f2d4d66612d6dcc6070d3cbc3fce97202ccf3
Signed-off-by: default avatarRishabh Bhatnagar <rishabhb@codeaurora.org>
parent 16deced5

drivers/soc/qcom/llcc-slice.c

+8 −4
Original line number Diff line number Diff line
@@ -236,12 +236,15 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev) 
	u32 sz;

	u32 pcb = 0;

	u32 cad = 0;

	u32 wren = 0;

	int ret = 0;

	const struct llcc_slice_config *llcc_table;

	struct llcc_slice_desc desc;

	bool cap_based_alloc_and_pwr_collapse =

		drv_data->cap_based_alloc_and_pwr_collapse;

	uint32_t mask = ~0;

	int v2_ver = of_device_is_compatible(pdev->dev.of_node,

							 "qcom,llcc-v2");



	sz = drv_data->cfg_size;

	llcc_table = drv_data->cfg;
@@ -249,7 +252,7 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev) 
	/* Disable the Cache as Non-Cache override and enable

	 * the Non-Cache as Cache override

	 */

	if (of_device_is_compatible(pdev->dev.of_node, "qcom,llcc-v2")) {

	if (v2_ver) {

		ret  = regmap_write(drv_data->bcast_regmap,

						 LLCC_TRP_C_AS_NC, 0);

		if (ret)
@@ -307,10 +310,11 @@ static int qcom_llcc_cfg_program(struct platform_device *pdev) 
		if (ret)

			return ret;



		if (llcc_table[i].write_scid_en) {

		if (v2_ver) {

			wren |= llcc_table[i].write_scid_en <<

						llcc_table[i].slice_id;

			ret = regmap_write(drv_data->bcast_regmap,

				LLCC_TRP_WRSC_EN,

				LLCC_WRSC_SCID_EN(llcc_table[i].slice_id));

				LLCC_TRP_WRSC_EN, wren);

			if (ret)

				return ret;

		}