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firmware: rockchip_sip: Support building as module

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- Export API for other drivers;
- Add a local cpu_logical_map() implementation since
  cpu_logical_map() is not export.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: I784dbbbaf76efaca0bbdcf0d183518be88a7f0c7
This commit is contained in:
Joseph Chen
2020-07-16 17:08:37 +08:00
committed by Tao Huang
parent 9c086e2acc
commit 91422abe8b
3 changed files with 49 additions and 3 deletions
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2
drivers/firmware/Kconfig
View File

@@ -270,7 +270,7 @@ config QCOM_SCM_DOWNLOAD_MODE_DEFAULT
Say Y here to enable "download mode" by default.
config ROCKCHIP_SIP
bool "Rockchip SIP interface"
tristate "Rockchip SIP interface"
depends on HAVE_ARM_SMCCC && ARCH_ROCKCHIP
help
Say Y here if you want to enable SIP callbacks for Rockchip platforms

48
drivers/firmware/rockchip_sip.c
View File

@@ -13,6 +13,7 @@
#include <linux/arm-smccc.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/rockchip/rockchip_sip.h>
#include <asm/cputype.h>
#ifdef CONFIG_ARM
@@ -47,16 +48,19 @@ struct arm_smccc_res sip_smc_dram(u32 arg0, u32 arg1, u32 arg2)
{
return __invoke_sip_fn_smc(SIP_DRAM_CONFIG, arg0, arg1, arg2);
}
EXPORT_SYMBOL_GPL(sip_smc_dram);
struct arm_smccc_res sip_smc_get_atf_version(void)
{
return __invoke_sip_fn_smc(SIP_ATF_VERSION, 0, 0, 0);
}
EXPORT_SYMBOL_GPL(sip_smc_get_atf_version);
struct arm_smccc_res sip_smc_get_sip_version(void)
{
return __invoke_sip_fn_smc(SIP_SIP_VERSION, 0, 0, 0);
}
EXPORT_SYMBOL_GPL(sip_smc_get_sip_version);
int sip_smc_set_suspend_mode(u32 ctrl, u32 config1, u32 config2)
{
@@ -65,6 +69,7 @@ int sip_smc_set_suspend_mode(u32 ctrl, u32 config1, u32 config2)
res = __invoke_sip_fn_smc(SIP_SUSPEND_MODE, ctrl, config1, config2);
return res.a0;
}
EXPORT_SYMBOL_GPL(sip_smc_set_suspend_mode);
struct arm_smccc_res sip_smc_get_suspend_info(u32 info)
{
@@ -73,6 +78,7 @@ struct arm_smccc_res sip_smc_get_suspend_info(u32 info)
res = __invoke_sip_fn_smc(SIP_SUSPEND_MODE, info, 0, 0);
return res;
}
EXPORT_SYMBOL_GPL(sip_smc_get_suspend_info);
int sip_smc_virtual_poweroff(void)
{
@@ -81,6 +87,7 @@ int sip_smc_virtual_poweroff(void)
res = __invoke_sip_fn_smc(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND), 0, 0, 0);
return res.a0;
}
EXPORT_SYMBOL_GPL(sip_smc_virtual_poweroff);
int sip_smc_remotectl_config(u32 func, u32 data)
{
@@ -90,6 +97,7 @@ int sip_smc_remotectl_config(u32 func, u32 data)
return res.a0;
}
EXPORT_SYMBOL_GPL(sip_smc_remotectl_config);
u32 sip_smc_secure_reg_read(u32 addr_phy)
{
@@ -102,6 +110,7 @@ u32 sip_smc_secure_reg_read(u32 addr_phy)
return res.a1;
}
EXPORT_SYMBOL_GPL(sip_smc_secure_reg_read);
int sip_smc_secure_reg_write(u32 addr_phy, u32 val)
{
@@ -114,6 +123,7 @@ int sip_smc_secure_reg_write(u32 addr_phy, u32 val)
return res.a0;
}
EXPORT_SYMBOL_GPL(sip_smc_secure_reg_write);
static void *sip_map(phys_addr_t start, size_t size)
{
@@ -169,11 +179,13 @@ struct arm_smccc_res sip_smc_request_share_mem(u32 page_num,
error:
return res;
}
EXPORT_SYMBOL_GPL(sip_smc_request_share_mem);
struct arm_smccc_res sip_smc_mcu_el3fiq(u32 arg0, u32 arg1, u32 arg2)
{
return __invoke_sip_fn_smc(SIP_MCU_EL3FIQ_CFG, arg0, arg1, arg2);
}
EXPORT_SYMBOL_GPL(sip_smc_mcu_el3fiq);
struct arm_smccc_res sip_smc_vpu_reset(u32 arg0, u32 arg1, u32 arg2)
{
@@ -191,6 +203,7 @@ struct arm_smccc_res sip_smc_bus_config(u32 arg0, u32 arg1, u32 arg2)
res = __invoke_sip_fn_smc(SIP_BUS_CFG, arg0, arg1, arg2);
return res;
}
EXPORT_SYMBOL_GPL(sip_smc_bus_config);
struct arm_smccc_res sip_smc_lastlog_request(void)
{
@@ -219,6 +232,7 @@ struct arm_smccc_res sip_smc_lastlog_request(void)
return res;
}
EXPORT_SYMBOL_GPL(sip_smc_lastlog_request);
/************************** fiq debugger **************************************/
/*
@@ -244,6 +258,7 @@ int sip_fiq_debugger_is_enabled(void)
{
return fiq_sip_enabled;
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_is_enabled);
static struct pt_regs sip_fiq_debugger_get_pt_regs(void *reg_base,
unsigned long sp_el1)
@@ -373,16 +388,39 @@ int sip_fiq_debugger_uart_irq_tf_init(u32 irq_id, void *callback_fn)
return SIP_RET_SUCCESS;
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_uart_irq_tf_init);
static ulong cpu_logical_map_mpidr(u32 cpu)
{
#ifdef MODULE
/* Empirically, local "cpu_logical_map()" for rockchip platforms */
ulong mpidr = 0x00;
if (cpu < 4)
/* 0x00, 0x01, 0x02, 0x03 */
mpidr = cpu;
else if (cpu < 8)
/* 0x100, 0x101, 0x102, 0x103 */
mpidr = 0x100 | (cpu - 4);
else
pr_err("Unsupported map cpu: %d\n", cpu);
return mpidr;
#else
return cpu_logical_map(cpu);
#endif
}
int sip_fiq_debugger_switch_cpu(u32 cpu)
{
struct arm_smccc_res res;
fiq_target_cpu = cpu;
res = __invoke_sip_fn_smc(SIP_UARTDBG_FN, cpu_logical_map(cpu),
res = __invoke_sip_fn_smc(SIP_UARTDBG_FN, cpu_logical_map_mpidr(cpu),
0, UARTDBG_CFG_OSHDL_CPUSW);
return res.a0;
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_switch_cpu);
void sip_fiq_debugger_enable_debug(bool enable)
{
@@ -393,6 +431,7 @@ void sip_fiq_debugger_enable_debug(bool enable)
__invoke_sip_fn_smc(SIP_UARTDBG_FN, 0, 0, val);
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_enable_debug);
int sip_fiq_debugger_set_print_port(u32 port_phyaddr, u32 baudrate)
{
@@ -402,6 +441,7 @@ int sip_fiq_debugger_set_print_port(u32 port_phyaddr, u32 baudrate)
UARTDBG_CFG_PRINT_PORT);
return res.a0;
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_set_print_port);
int sip_fiq_debugger_request_share_memory(void)
{
@@ -415,11 +455,13 @@ int sip_fiq_debugger_request_share_memory(void)
return SIP_RET_SUCCESS;
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_request_share_memory);
int sip_fiq_debugger_get_target_cpu(void)
{
return fiq_target_cpu;
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_get_target_cpu);
void sip_fiq_debugger_enable_fiq(bool enable, uint32_t tgt_cpu)
{
@@ -429,6 +471,7 @@ void sip_fiq_debugger_enable_fiq(bool enable, uint32_t tgt_cpu)
en = enable ? UARTDBG_CFG_FIQ_ENABEL : UARTDBG_CFG_FIQ_DISABEL;
__invoke_sip_fn_smc(SIP_UARTDBG_FN, tgt_cpu, 0, en);
}
EXPORT_SYMBOL_GPL(sip_fiq_debugger_enable_fiq);
/******************************************************************************/
#ifdef CONFIG_ARM
@@ -476,3 +519,6 @@ static __init int sip_firmware_init(void)
}
arch_initcall(sip_firmware_init);
#endif
MODULE_DESCRIPTION("Rockchip SIP Call");
MODULE_LICENSE("GPL");

2
include/linux/rockchip/rockchip_sip.h
View File

@@ -112,7 +112,7 @@ typedef enum {
* a0: error code(0: success, !0: error);
* a1~a3: data
*/
#ifdef CONFIG_ROCKCHIP_SIP
#if IS_ENABLED(CONFIG_ROCKCHIP_SIP)
struct arm_smccc_res sip_smc_get_atf_version(void);
struct arm_smccc_res sip_smc_get_sip_version(void);
struct arm_smccc_res sip_smc_dram(u32 arg0, u32 arg1, u32 arg2);