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soc: qcom: import smem from Linux 6.11-rc2

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Import the SMEM driver from Linux.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Caleb Connolly
2024-11-24 20:17:47 +01:00
committed by Simon Glass
parent 513edfc585
commit 252a93301a
3 changed files with 1410 additions and 0 deletions
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1279
drivers/soc/qcom/smem.c Normal file
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include/soc/qcom/smem.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __QCOM_SMEM_H__
#define __QCOM_SMEM_H__
#define QCOM_SMEM_HOST_ANY -1
bool qcom_smem_is_available(void);
int qcom_smem_alloc(unsigned host, unsigned item, size_t size);
void *qcom_smem_get(unsigned host, unsigned item, size_t *size);
int qcom_smem_get_free_space(unsigned host);
phys_addr_t qcom_smem_virt_to_phys(void *p);
int qcom_smem_get_soc_id(u32 *id);
int qcom_smem_get_feature_code(u32 *code);
int qcom_smem_bust_hwspin_lock_by_host(unsigned int host);
#endif

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include/soc/qcom/socinfo.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __QCOM_SOCINFO_H__
#define __QCOM_SOCINFO_H__
#include <linux/types.h>
/*
* SMEM item id, used to acquire handles to respective
* SMEM region.
*/
#define SMEM_HW_SW_BUILD_ID 137
#define SMEM_SOCINFO_BUILD_ID_LENGTH 32
#define SMEM_SOCINFO_CHIP_ID_LENGTH 32
/*
* SoC version type with major number in the upper 16 bits and minor
* number in the lower 16 bits.
*/
#define SOCINFO_MAJOR(ver) (((ver) >> 16) & 0xffff)
#define SOCINFO_MINOR(ver) ((ver) & 0xffff)
#define SOCINFO_VERSION(maj, min) ((((maj) & 0xffff) << 16)|((min) & 0xffff))
/* Socinfo SMEM item structure */
struct socinfo {
__le32 fmt;
__le32 id;
__le32 ver;
char build_id[SMEM_SOCINFO_BUILD_ID_LENGTH];
/* Version 2 */
__le32 raw_id;
__le32 raw_ver;
/* Version 3 */
__le32 hw_plat;
/* Version 4 */
__le32 plat_ver;
/* Version 5 */
__le32 accessory_chip;
/* Version 6 */
__le32 hw_plat_subtype;
/* Version 7 */
__le32 pmic_model;
__le32 pmic_die_rev;
/* Version 8 */
__le32 pmic_model_1;
__le32 pmic_die_rev_1;
__le32 pmic_model_2;
__le32 pmic_die_rev_2;
/* Version 9 */
__le32 foundry_id;
/* Version 10 */
__le32 serial_num;
/* Version 11 */
__le32 num_pmics;
__le32 pmic_array_offset;
/* Version 12 */
__le32 chip_family;
__le32 raw_device_family;
__le32 raw_device_num;
/* Version 13 */
__le32 nproduct_id;
char chip_id[SMEM_SOCINFO_CHIP_ID_LENGTH];
/* Version 14 */
__le32 num_clusters;
__le32 ncluster_array_offset;
__le32 num_subset_parts;
__le32 nsubset_parts_array_offset;
/* Version 15 */
__le32 nmodem_supported;
/* Version 16 */
__le32 feature_code;
__le32 pcode;
__le32 npartnamemap_offset;
__le32 nnum_partname_mapping;
/* Version 17 */
__le32 oem_variant;
/* Version 18 */
__le32 num_kvps;
__le32 kvps_offset;
/* Version 19 */
__le32 num_func_clusters;
__le32 boot_cluster;
__le32 boot_core;
};
/* Internal feature codes */
enum qcom_socinfo_feature_code {
/* External feature codes */
SOCINFO_FC_UNKNOWN = 0x0,
SOCINFO_FC_AA,
SOCINFO_FC_AB,
SOCINFO_FC_AC,
SOCINFO_FC_AD,
SOCINFO_FC_AE,
SOCINFO_FC_AF,
SOCINFO_FC_AG,
SOCINFO_FC_AH,
};
/* Internal feature codes */
/* Valid values: 0 <= n <= 0xf */
#define SOCINFO_FC_Yn(n) (0xf1 + (n))
#define SOCINFO_FC_INT_MAX SOCINFO_FC_Yn(0xf)
/* Product codes */
#define SOCINFO_PC_UNKNOWN 0
#define SOCINFO_PCn(n) ((n) + 1)
#define SOCINFO_PC_RESERVE (BIT(31) - 1)
#endif