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misc: imx8: add sc_misc_get_temp

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Add sc_misc_get_temp to support get temperature

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2019-05-05 13:23:51 +00:00 committed by Stefano Babic
parent 5fbc667d8a
commit 7752a0fef7
3 changed files with 31 additions and 0 deletions
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2
arch/arm/include/asm/arch-imx8/sci/sci.h
View file

@ -72,6 +72,8 @@ void sc_misc_get_boot_dev(sc_ipc_t ipc, sc_rsrc_t *boot_dev);
void sc_misc_boot_status(sc_ipc_t ipc, sc_misc_boot_status_t status);
void sc_misc_build_info(sc_ipc_t ipc, u32 *build, u32 *commit);
int sc_misc_otp_fuse_read(sc_ipc_t ipc, u32 word, u32 *val);
int sc_misc_get_temp(sc_ipc_t ipc, sc_rsrc_t resource, sc_misc_temp_t temp,
s16 *celsius, s8 *tenths);
/* RM API */
sc_bool_t sc_rm_is_memreg_owned(sc_ipc_t ipc, sc_rm_mr_t mr);

1
arch/arm/include/asm/arch-imx8/sci/svc/misc/api.h
View file

@ -26,5 +26,6 @@
#define SC_MISC_REL_CONTAINER 2U /* Release container */
typedef u8 sc_misc_boot_status_t;
typedef u8 sc_misc_temp_t;
#endif /* SC_MISC_API_H */

28
drivers/misc/imx8/scu_api.c
View file

@ -273,6 +273,34 @@ int sc_misc_otp_fuse_read(sc_ipc_t ipc, u32 word, u32 *val)
return 0;
}
int sc_misc_get_temp(sc_ipc_t ipc, sc_rsrc_t resource, sc_misc_temp_t temp,
s16 *celsius, s8 *tenths)
{
struct udevice *dev = gd->arch.scu_dev;
int size = sizeof(struct sc_rpc_msg_s);
struct sc_rpc_msg_s msg;
int ret;
RPC_VER(&msg) = SC_RPC_VERSION;
RPC_SVC(&msg) = (u8)SC_RPC_SVC_MISC;
RPC_FUNC(&msg) = (u8)MISC_FUNC_GET_TEMP;
RPC_U16(&msg, 0U) = (u16)resource;
RPC_U8(&msg, 2U) = (u8)temp;
RPC_SIZE(&msg) = 2U;
ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size);
if (ret < 0)
return ret;
if (celsius)
*celsius = RPC_I16(&msg, 0U);
if (tenths)
*tenths = RPC_I8(&msg, 2U);
return 0;
}
/* RM */
sc_bool_t sc_rm_is_memreg_owned(sc_ipc_t ipc, sc_rm_mr_t mr)
{