From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peng Fan Date: Wed, 18 Jul 2018 09:35:38 +0800 Subject: [U-Boot] [PATCH V2 08/32] misc: imx8: add scfw api impementation In-Reply-To: <20180718013602.26574-1-peng.fan@nxp.com> References: <20180718013602.26574-1-peng.fan@nxp.com> Message-ID: <20180718013602.26574-9-peng.fan@nxp.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Add clk/misc/pad/pm/rm scfw api implementaion for different drivers to invoke. The low level code is using misc_call to invoke imx8_scu driver. Signed-off-by: Peng Fan Cc: Stefano Babic --- arch/arm/include/asm/arch-imx8/sci/sci.h | 31 +++++++++- drivers/misc/imx8/Makefile | 2 +- drivers/misc/imx8/clk.c | 93 ++++++++++++++++++++++++++++++ drivers/misc/imx8/misc.c | 88 +++++++++++++++++++++++++++++ drivers/misc/imx8/pad.c | 39 +++++++++++++ drivers/misc/imx8/pm.c | 38 +++++++++++++ drivers/misc/imx8/rm.c | 97 ++++++++++++++++++++++++++++++++ 7 files changed, 386 insertions(+), 2 deletions(-) create mode 100644 drivers/misc/imx8/clk.c create mode 100644 drivers/misc/imx8/misc.c create mode 100644 drivers/misc/imx8/pad.c create mode 100644 drivers/misc/imx8/pm.c create mode 100644 drivers/misc/imx8/rm.c diff --git a/arch/arm/include/asm/arch-imx8/sci/sci.h b/arch/arm/include/asm/arch-imx8/sci/sci.h index b7280aee05..4704ba9699 100644 --- a/arch/arm/include/asm/arch-imx8/sci/sci.h +++ b/arch/arm/include/asm/arch-imx8/sci/sci.h @@ -46,7 +46,8 @@ static inline int sc_err_to_linux(sc_err_t err) ret = -EIO; break; default: - panic("Invalid sc_err_t value\n"); + ret = 0; + break; } debug("%s %d %d\n", __func__, err, ret); @@ -54,4 +55,32 @@ static inline int sc_err_to_linux(sc_err_t err) return ret; } +/* PM API*/ +int sc_pm_set_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource, + sc_pm_power_mode_t mode); +int sc_pm_set_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_pm_clock_rate_t *rate); +int sc_pm_get_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_pm_clock_rate_t *rate); +int sc_pm_set_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_pm_clock_rate_t *rate); +int sc_pm_get_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_pm_clock_rate_t *rate); +int sc_pm_clock_enable(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_bool_t enable, sc_bool_t autog); + +/* MISC API */ +int sc_misc_get_control(sc_ipc_t ipc, sc_rsrc_t resource, sc_ctrl_t ctrl, + u32 *val); +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); + +/* RM API */ +sc_bool_t sc_rm_is_memreg_owned(sc_ipc_t ipc, sc_rm_mr_t mr); +int sc_rm_get_memreg_info(sc_ipc_t ipc, sc_rm_mr_t mr, sc_faddr_t *addr_start, + sc_faddr_t *addr_end); +sc_bool_t sc_rm_is_resource_owned(sc_ipc_t ipc, sc_rsrc_t resource); + +/* PAD API */ +int sc_pad_set(sc_ipc_t ipc, sc_pad_t pad, u32 val); #endif diff --git a/drivers/misc/imx8/Makefile b/drivers/misc/imx8/Makefile index 3395340d22..4fc08ade50 100644 --- a/drivers/misc/imx8/Makefile +++ b/drivers/misc/imx8/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0+ -obj-y += scu.o +obj-y += pm.o clk.o misc.o pad.o rm.o scu.o diff --git a/drivers/misc/imx8/clk.c b/drivers/misc/imx8/clk.c new file mode 100644 index 0000000000..618b2c386f --- /dev/null +++ b/drivers/misc/imx8/clk.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + * + * Peng Fan + */ + +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int sc_pm_set_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_pm_clock_rate_t *rate) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + sc_rpc_msg_t msg; + int ret; + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_PM; + RPC_FUNC(&msg) = (u8)PM_FUNC_SET_CLOCK_RATE; + RPC_U32(&msg, 0U) = *(u32 *)rate; + RPC_U16(&msg, 4U) = (u16)resource; + RPC_U8(&msg, 6U) = (u8)clk; + RPC_SIZE(&msg) = 3U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: rate:%u resource:%u: clk:%u res:%d\n", + __func__, *rate, resource, clk, RPC_R8(&msg)); + + *rate = RPC_U32(&msg, 0U); + + return ret; +} + +int sc_pm_get_clock_rate(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_pm_clock_rate_t *rate) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + sc_rpc_msg_t msg; + int ret; + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_PM; + RPC_FUNC(&msg) = (u8)PM_FUNC_GET_CLOCK_RATE; + RPC_U16(&msg, 0U) = (u16)resource; + RPC_U8(&msg, 2U) = (u8)clk; + RPC_SIZE(&msg) = 2U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) { + printf("%s: resource:%d clk:%d: res:%d\n", + __func__, resource, clk, RPC_R8(&msg)); + return ret; + } + + if (rate) + *rate = RPC_U32(&msg, 0U); + + return 0; +} + +int sc_pm_clock_enable(sc_ipc_t ipc, sc_rsrc_t resource, sc_pm_clk_t clk, + sc_bool_t enable, sc_bool_t autog) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + sc_rpc_msg_t msg; + int ret; + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_PM; + RPC_FUNC(&msg) = (u8)PM_FUNC_CLOCK_ENABLE; + RPC_U16(&msg, 0U) = (u16)resource; + RPC_U8(&msg, 2U) = (u8)clk; + RPC_U8(&msg, 3U) = (u8)enable; + RPC_U8(&msg, 4U) = (u8)autog; + RPC_SIZE(&msg) = 3U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: resource:%d clk:%d: enable:%d autog: %d, res:%d\n", + __func__, resource, clk, enable, autog, RPC_R8(&msg)); + + return ret; +} diff --git a/drivers/misc/imx8/misc.c b/drivers/misc/imx8/misc.c new file mode 100644 index 0000000000..7557384b64 --- /dev/null +++ b/drivers/misc/imx8/misc.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + * + * Peng Fan + */ + +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int sc_misc_get_control(sc_ipc_t ipc, sc_rsrc_t resource, sc_ctrl_t ctrl, + u32 *val) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + int ret; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_MISC; + RPC_FUNC(&msg) = (u8)MISC_FUNC_GET_CONTROL; + RPC_U32(&msg, 0U) = (u32)ctrl; + RPC_U16(&msg, 4U) = (u16)resource; + RPC_SIZE(&msg) = 3U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: ctrl:%d resource:%d: res:%d\n", + __func__, ctrl, resource, RPC_R8(&msg)); + + if (!val) + *val = RPC_U32(&msg, 0U); + + return ret; +} + +void sc_misc_get_boot_dev(sc_ipc_t ipc, sc_rsrc_t *boot_dev) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + int ret; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_MISC; + RPC_FUNC(&msg) = (u8)MISC_FUNC_GET_BOOT_DEV; + RPC_SIZE(&msg) = 1U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: res:%d\n", __func__, RPC_R8(&msg)); + + if (!boot_dev) + *boot_dev = RPC_U16(&msg, 0U); +} + +void sc_misc_boot_status(sc_ipc_t ipc, sc_misc_boot_status_t status) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + int ret; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_MISC; + RPC_FUNC(&msg) = (u8)MISC_FUNC_BOOT_STATUS; + RPC_U8(&msg, 0U) = (u8)status; + RPC_SIZE(&msg) = 2U; + + ret = misc_call(dev, SC_TRUE, &msg, size, &msg, size); + if (ret) + printf("%s: status:%d res:%d\n", + __func__, status, RPC_R8(&msg)); +} diff --git a/drivers/misc/imx8/pad.c b/drivers/misc/imx8/pad.c new file mode 100644 index 0000000000..06cbdc90bf --- /dev/null +++ b/drivers/misc/imx8/pad.c @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + * + * Peng Fan + */ + +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int sc_pad_set(sc_ipc_t ipc, sc_pad_t pad, u32 val) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + int ret; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_PAD; + RPC_FUNC(&msg) = (u8)PAD_FUNC_SET; + RPC_U32(&msg, 0U) = (u32)val; + RPC_U16(&msg, 4U) = (u16)pad; + RPC_SIZE(&msg) = 3U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: val:%d pad:%d: res:%d\n", + __func__, val, pad, RPC_R8(&msg)); + + return ret; +} diff --git a/drivers/misc/imx8/pm.c b/drivers/misc/imx8/pm.c new file mode 100644 index 0000000000..c857138e36 --- /dev/null +++ b/drivers/misc/imx8/pm.c @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + * + * Peng Fan + */ + +#include +#include +#include +#include +#include + +int sc_pm_set_resource_power_mode(sc_ipc_t ipc, sc_rsrc_t resource, + sc_pm_power_mode_t mode) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + int ret; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_PM; + RPC_FUNC(&msg) = (u8)PM_FUNC_SET_RESOURCE_POWER_MODE; + RPC_U16(&msg, 0U) = (u16)resource; + RPC_U8(&msg, 2U) = (u8)mode; + RPC_SIZE(&msg) = 2U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: resource:%d mode:%d: res:%d\n", + __func__, resource, mode, RPC_R8(&msg)); + + return ret; +} diff --git a/drivers/misc/imx8/rm.c b/drivers/misc/imx8/rm.c new file mode 100644 index 0000000000..33de1f525b --- /dev/null +++ b/drivers/misc/imx8/rm.c @@ -0,0 +1,97 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2018 NXP + * + * Peng Fan + */ + +#include +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +sc_bool_t sc_rm_is_memreg_owned(sc_ipc_t ipc, sc_rm_mr_t mr) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + sc_err_t result; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_RM; + RPC_FUNC(&msg) = (u8)RM_FUNC_IS_MEMREG_OWNED; + RPC_U8(&msg, 0U) = (u8)mr; + RPC_SIZE(&msg) = 2U; + + misc_call(dev, SC_FALSE, &msg, size, &msg, size); + + result = RPC_R8(&msg); + + if (result != 0 && result != 1) + printf("%s: mr:%d res:%d\n", __func__, mr, RPC_R8(&msg)); + + return (sc_bool_t)result; +} + +int sc_rm_get_memreg_info(sc_ipc_t ipc, sc_rm_mr_t mr, sc_faddr_t *addr_start, + sc_faddr_t *addr_end) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + int ret; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_RM; + RPC_FUNC(&msg) = (u8)RM_FUNC_GET_MEMREG_INFO; + RPC_U8(&msg, 0U) = (u8)mr; + RPC_SIZE(&msg) = 2U; + + ret = misc_call(dev, SC_FALSE, &msg, size, &msg, size); + if (ret) + printf("%s: mr:%d res:%d\n", __func__, mr, RPC_R8(&msg)); + + if (addr_start) + *addr_start = ((u64)RPC_U32(&msg, 0U) << 32U) | + RPC_U32(&msg, 4U); + + if (addr_end) + *addr_end = ((u64)RPC_U32(&msg, 8U) << 32U) | + RPC_U32(&msg, 12U); + + return ret; +} + +sc_bool_t sc_rm_is_resource_owned(sc_ipc_t ipc, sc_rsrc_t resource) +{ + struct udevice *dev = gd->arch.scu_dev; + int size = sizeof(sc_rpc_msg_t); + struct sc_rpc_msg_s msg; + u8 result; + + if (!dev) + hang(); + + RPC_VER(&msg) = SC_RPC_VERSION; + RPC_SVC(&msg) = (u8)SC_RPC_SVC_RM; + RPC_FUNC(&msg) = (u8)RM_FUNC_IS_RESOURCE_OWNED; + RPC_U16(&msg, 0U) = (u16)resource; + RPC_SIZE(&msg) = 2U; + + misc_call(dev, SC_FALSE, &msg, size, &msg, size); + result = RPC_R8(&msg); + if (result != 0 && result != 1) + printf("%s: resource:%d res:%d\n", + __func__, resource, RPC_R8(&msg)); + + return !!result; +} -- 2.14.1