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authorTom Rini <trini@konsulko.com>2018-07-26 23:12:39 -0400
committerTom Rini <trini@konsulko.com>2018-07-26 23:12:39 -0400
commit53885e76ce8dca29782b211c2c83ad37c41d798a (patch)
treed687746dacb00addb96b712796a0766d9edbf984 /arch/arm/mach-tegra
parenta57d45db90c8de2959b4484cc8f6ba81219a2269 (diff)
parent2eea1269166fd3dccc319629e612edddcd650803 (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.c4
-rw-r--r--arch/arm/mach-tegra/powergate.c20
-rw-r--r--arch/arm/mach-tegra/tegra124/cpu.c42
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__);
}