diff options
| author | Chee Hong Ang <chee.hong.ang@intel.com> | 2020-12-24 18:21:06 +0800 |
|---|---|---|
| committer | Ley Foon Tan <ley.foon.tan@intel.com> | 2021-01-15 17:48:37 +0800 |
| commit | 018d27f2512ef64cb31ac0928c0224076e0e5408 (patch) | |
| tree | 5109f94ba8a556f1b7a643bbc7cd19fcbee5fa53 /arch | |
| parent | a90ae0167bd144124b5386567d5475a4516d0c9b (diff) | |
| download | u-boot-018d27f2512ef64cb31ac0928c0224076e0e5408.zip u-boot-018d27f2512ef64cb31ac0928c0224076e0e5408.tar.gz u-boot-018d27f2512ef64cb31ac0928c0224076e0e5408.tar.bz2 | |
arm: socfpga: soc64: Add ATF support for Reset Manager driver
In non-secure mode (EL2), Reset Manager driver calls the
SMC/PSCI service provided by ATF to enable/disable the
SOCFPGA bridges.
Signed-off-by: Chee Hong Ang <chee.hong.ang@intel.com>
Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-socfpga/reset_manager_s10.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/reset_manager_s10.c b/arch/arm/mach-socfpga/reset_manager_s10.c index 3746e6a..af8f2c0 100644 --- a/arch/arm/mach-socfpga/reset_manager_s10.c +++ b/arch/arm/mach-socfpga/reset_manager_s10.c @@ -5,11 +5,14 @@ */ #include <common.h> +#include <hang.h> #include <asm/io.h> #include <asm/arch/reset_manager.h> +#include <asm/arch/smc_api.h> #include <asm/arch/system_manager.h> #include <dt-bindings/reset/altr,rst-mgr-s10.h> #include <linux/iopoll.h> +#include <linux/intel-smc.h> DECLARE_GLOBAL_DATA_PTR; @@ -55,6 +58,15 @@ void socfpga_per_reset_all(void) void socfpga_bridges_reset(int enable) { +#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_ATF) + u64 arg = enable; + + int ret = invoke_smc(INTEL_SIP_SMC_HPS_SET_BRIDGES, &arg, 1, NULL, 0); + if (ret) { + printf("SMC call failed with error %d in %s.\n", ret, __func__); + return; + } +#else u32 reg; if (enable) { @@ -101,6 +113,7 @@ void socfpga_bridges_reset(int enable) /* Disable NOC timeout */ writel(0, socfpga_get_sysmgr_addr() + SYSMGR_SOC64_NOC_TIMEOUT); } +#endif } /* |