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firmware: qcom: scm: Expose secure IO service

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The secure IO service provides operations for reading and writing secure
memory from non-secure mode, expose this API through SCM.

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
This commit is contained in:
Bjorn Andersson 2017-08-14 15:46:17 -07:00 • committed by Andy Gross
parent e691b48dcc
commit 4e659dbe2d
5 changed files with 71 additions and 0 deletions
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6
drivers/firmware/qcom_scm.h
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@ -30,6 +30,12 @@ extern int __qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
#define QCOM_SCM_CMD_CORE_HOTPLUGGED 0x10
extern void __qcom_scm_cpu_power_down(u32 flags);
#define QCOM_SCM_SVC_IO 0x5
#define QCOM_SCM_IO_READ 0x1
#define QCOM_SCM_IO_WRITE 0x2
extern int __qcom_scm_io_readl(struct device *dev, phys_addr_t addr, unsigned int *val);
extern int __qcom_scm_io_writel(struct device *dev, phys_addr_t addr, unsigned int val);
#define QCOM_SCM_SVC_INFO 0x6
#define QCOM_IS_CALL_AVAIL_CMD 0x1
extern int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,