diff options
author | Tom Rini <trini@konsulko.com> | 2018-07-26 23:12:39 -0400 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2018-07-26 23:12:39 -0400 |
commit | 53885e76ce8dca29782b211c2c83ad37c41d798a (patch) | |
tree | d687746dacb00addb96b712796a0766d9edbf984 /arch/arm/mach-tegra | |
parent | a57d45db90c8de2959b4484cc8f6ba81219a2269 (diff) | |
parent | 2eea1269166fd3dccc319629e612edddcd650803 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-tegra
Diffstat (limited to 'arch/arm/mach-tegra')
-rw-r--r-- | arch/arm/mach-tegra/board2.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-tegra/powergate.c | 20 | ||||
-rw-r--r-- | arch/arm/mach-tegra/tegra124/cpu.c | 42 |
3 files changed, 45 insertions, 21 deletions
diff --git a/arch/arm/mach-tegra/board2.c b/arch/arm/mach-tegra/board2.c index 25da771607..5ecadf705e 100644 --- a/arch/arm/mach-tegra/board2.c +++ b/arch/arm/mach-tegra/board2.c @@ -249,6 +249,10 @@ static ulong carveout_size(void) { #ifdef CONFIG_ARM64 return SZ_512M; +#elif defined(CONFIG_ARMV7_SECURE_RESERVE_SIZE) + // BASE+SIZE might not == 4GB. If so, we want the carveout to cover + // from BASE to 4GB, not BASE to BASE+SIZE. + return (0 - CONFIG_ARMV7_SECURE_BASE); #else return 0; #endif diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c index d32d559f13..e45f0961b2 100644 --- a/arch/arm/mach-tegra/powergate.c +++ b/arch/arm/mach-tegra/powergate.c @@ -8,7 +8,7 @@ #include <asm/io.h> #include <asm/types.h> -#include <asm/arch/flow.h> + #include <asm/arch/powergate.h> #include <asm/arch/tegra.h> @@ -74,29 +74,11 @@ static int tegra_powergate_remove_clamping(enum tegra_powergate id) return 0; } -static void tegra_powergate_ram_repair(void) -{ -#ifdef CONFIG_TEGRA124 - struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE; - - /* Request RAM repair for cluster 0 and wait until complete */ - setbits_le32(&flow->ram_repair, RAM_REPAIR_REQ); - while (!(readl(&flow->ram_repair) & RAM_REPAIR_STS)) - ; - - /* Same for cluster 1 */ - setbits_le32(&flow->ram_repair_cluster1, RAM_REPAIR_REQ); - while (!(readl(&flow->ram_repair_cluster1) & RAM_REPAIR_STS)) - ; -#endif -} - int tegra_powergate_sequence_power_up(enum tegra_powergate id, enum periph_id periph) { int err; - tegra_powergate_ram_repair(); reset_set_enable(periph, 1); err = tegra_powergate_power_on(id); diff --git a/arch/arm/mach-tegra/tegra124/cpu.c b/arch/arm/mach-tegra/tegra124/cpu.c index 204d6e9539..992c0beb04 100644 --- a/arch/arm/mach-tegra/tegra124/cpu.c +++ b/arch/arm/mach-tegra/tegra124/cpu.c @@ -104,6 +104,43 @@ static void remove_cpu_resets(void) writel(reg, &clkrst->crc_rst_cpug_cmplx_clr); } +static void tegra124_ram_repair(void) +{ + struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE; + u32 ram_repair_timeout; /*usec*/ + u32 val; + + /* + * Request the Flow Controller perform RAM repair whenever it turns on + * a power rail that requires RAM repair. + */ + clrbits_le32(&flow->ram_repair, RAM_REPAIR_BYPASS_EN); + + /* Request SW trigerred RAM repair by setting req bit */ + /* cluster 0 */ + setbits_le32(&flow->ram_repair, RAM_REPAIR_REQ); + /* Wait for completion (status == 0) */ + ram_repair_timeout = 500; + do { + udelay(1); + val = readl(&flow->ram_repair); + } while (!(val & RAM_REPAIR_STS) && ram_repair_timeout--); + if (!ram_repair_timeout) + debug("Ram Repair cluster0 failed\n"); + + /* cluster 1 */ + setbits_le32(&flow->ram_repair_cluster1, RAM_REPAIR_REQ); + /* Wait for completion (status == 0) */ + ram_repair_timeout = 500; + do { + udelay(1); + val = readl(&flow->ram_repair_cluster1); + } while (!(val & RAM_REPAIR_STS) && ram_repair_timeout--); + + if (!ram_repair_timeout) + debug("Ram Repair cluster1 failed\n"); +} + /** * Tegra124 requires some special clock initialization, including setting up * the DVC I2C, turning on MSELECT and selecting the G CPU cluster @@ -254,10 +291,11 @@ void start_cpu(u32 reset_vector) &pmc->pmc_pwrgate_timer_mult); enable_cpu_power_rail(); + powerup_cpus(); + tegra124_ram_repair(); enable_cpu_clocks(); clock_enable_coresight(1); - remove_cpu_resets(); writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR); - powerup_cpus(); + remove_cpu_resets(); debug("%s exit, should continue @ reset_vector\n", __func__); } |