diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/tegra/bpmp.c | 9 | ||||
| -rw-r--r-- | drivers/firmware/trusted_foundations.c | 21 |
2 files changed, 22 insertions, 8 deletions
diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c index 6741fcda0c37..fe6702df24bf 100644 --- a/drivers/firmware/tegra/bpmp.c +++ b/drivers/firmware/tegra/bpmp.c @@ -6,6 +6,7 @@ #include <linux/clk/tegra.h> #include <linux/genalloc.h> #include <linux/mailbox_client.h> +#include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_device.h> @@ -869,12 +870,8 @@ static struct platform_driver tegra_bpmp_driver = { .name = "tegra-bpmp", .of_match_table = tegra_bpmp_match, .pm = &tegra_bpmp_pm_ops, + .suppress_bind_attrs = true, }, .probe = tegra_bpmp_probe, }; - -static int __init tegra_bpmp_init(void) -{ - return platform_driver_register(&tegra_bpmp_driver); -} -core_initcall(tegra_bpmp_init); +builtin_platform_driver(tegra_bpmp_driver); diff --git a/drivers/firmware/trusted_foundations.c b/drivers/firmware/trusted_foundations.c index fc544e19b0a1..1389fa9418a7 100644 --- a/drivers/firmware/trusted_foundations.c +++ b/drivers/firmware/trusted_foundations.c @@ -19,6 +19,7 @@ #define TF_CACHE_ENABLE 1 #define TF_CACHE_DISABLE 2 +#define TF_CACHE_REENABLE 4 #define TF_SET_CPU_BOOT_ADDR_SMC 0xfffff200 @@ -29,6 +30,7 @@ #define TF_CPU_PM_S1 0xffffffe4 #define TF_CPU_PM_S1_NOFLUSH_L2 0xffffffe7 +static unsigned long tf_idle_mode = TF_PM_MODE_NONE; static unsigned long cpu_boot_addr; static void tf_generic_smc(u32 type, u32 arg1, u32 arg2) @@ -85,25 +87,40 @@ static int tf_prepare_idle(unsigned long mode) cpu_boot_addr); break; + case TF_PM_MODE_NONE: + break; + default: return -EINVAL; } + tf_idle_mode = mode; + return 0; } #ifdef CONFIG_CACHE_L2X0 static void tf_cache_write_sec(unsigned long val, unsigned int reg) { - u32 l2x0_way_mask = 0xff; + u32 enable_op, l2x0_way_mask = 0xff; switch (reg) { case L2X0_CTRL: if (l2x0_saved_regs.aux_ctrl & L310_AUX_CTRL_ASSOCIATIVITY_16) l2x0_way_mask = 0xffff; + switch (tf_idle_mode) { + case TF_PM_MODE_LP2: + enable_op = TF_CACHE_REENABLE; + break; + + default: + enable_op = TF_CACHE_ENABLE; + break; + } + if (val == L2X0_CTRL_EN) - tf_generic_smc(TF_CACHE_MAINT, TF_CACHE_ENABLE, + tf_generic_smc(TF_CACHE_MAINT, enable_op, l2x0_saved_regs.aux_ctrl); else tf_generic_smc(TF_CACHE_MAINT, TF_CACHE_DISABLE, |