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From: Lucas Stach <dev@lynxeye.de>
To: barebox@lists.infradead.org
Subject: [PATCH 12/30] tegra: power up additional partitions on Tegra124
Date: Tue,  3 Jun 2014 22:34:59 +0200	[thread overview]
Message-ID: <1401827717-6420-13-git-send-email-dev@lynxeye.de> (raw)
In-Reply-To: <1401827717-6420-1-git-send-email-dev@lynxeye.de>

Those 3 are needed to power CPU0 from the CPUG cluster.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
---
 arch/arm/mach-tegra/include/mach/tegra20-pmc.h |  4 ++++
 arch/arm/mach-tegra/tegra_avp_init.c           | 24 ++++++++++++++++++------
 2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/arch/arm/mach-tegra/include/mach/tegra20-pmc.h b/arch/arm/mach-tegra/include/mach/tegra20-pmc.h
index 3a05e0f..30ac065 100644
--- a/arch/arm/mach-tegra/include/mach/tegra20-pmc.h
+++ b/arch/arm/mach-tegra/include/mach/tegra20-pmc.h
@@ -66,4 +66,8 @@
 #define PMC_PWRGATE_STATUS_TD		(1 << 1)
 #define PMC_PWRGATE_STATUS_CPU		(1 << 0)
 
+#define PMC_PARTID_CRAIL		0
+#define PMC_PARTID_CE0			14
+#define PMC_PARTID_C0NC			15
+
 #define PMC_SCRATCH(i)			(0x050 + 0x4*i)
diff --git a/arch/arm/mach-tegra/tegra_avp_init.c b/arch/arm/mach-tegra/tegra_avp_init.c
index cc8b0e2..3d21963 100644
--- a/arch/arm/mach-tegra/tegra_avp_init.c
+++ b/arch/arm/mach-tegra/tegra_avp_init.c
@@ -197,26 +197,38 @@ static void start_cpu0_clocks(void)
 	tegra_ll_delay_usec(300);
 }
 
-static void maincomplex_powerup(void)
+static void power_up_partition(u32 partid)
 {
 	u32 reg;
 
-	if (!(readl(TEGRA_PMC_BASE + PMC_PWRGATE_STATUS) &
-	      PMC_PWRGATE_STATUS_CPU)) {
-		writel(PMC_PWRGATE_TOGGLE_START | PMC_PWRGATE_TOGGLE_PARTID_CPU,
+	if (!(readl(TEGRA_PMC_BASE + PMC_PWRGATE_STATUS) & (1 << partid))) {
+		writel(PMC_PWRGATE_TOGGLE_START | partid,
 		       TEGRA_PMC_BASE + PMC_PWRGATE_TOGGLE);
 
 		while (!(readl(TEGRA_PMC_BASE + PMC_PWRGATE_STATUS) &
-			 PMC_PWRGATE_STATUS_CPU));
+			(1 << partid)));
 
 		reg = readl(TEGRA_PMC_BASE + PMC_REMOVE_CLAMPING_CMD);
-		reg |= PMC_REMOVE_CLAMPING_CMD_CPU;
+		reg |= (1 << partid);
 		writel(reg, TEGRA_PMC_BASE + PMC_REMOVE_CLAMPING_CMD);
 
 		tegra_ll_delay_usec(1000);
 	}
 }
 
+static void maincomplex_powerup(void)
+{
+	/* main cpu rail */
+	power_up_partition(PMC_PARTID_CRAIL);
+
+	if (tegra_get_chiptype() >= TEGRA114) {
+		/* fast cluster uncore part */
+		power_up_partition(PMC_PARTID_C0NC);
+		/* fast cluster cpu0 part */
+		power_up_partition(PMC_PARTID_CE0);
+	}
+}
+
 static void tegra_cluster_switch_hp(void)
 {
 	u32 reg;
-- 
1.9.3


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  parent reply	other threads:[~2014-06-03 20:33 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-03 20:34 [PATCH 00/30] Tegra K1 support Lucas Stach
2014-06-03 20:34 ` [PATCH 01/30] mci: implement non-removable property Lucas Stach
2014-06-03 20:34 ` [PATCH 02/30] tegra: lowlevel-dvc: use __always_inline macro Lucas Stach
2014-06-03 20:34 ` [PATCH 03/30] tegra: pmc: add Tegra30 compatible Lucas Stach
2014-06-03 20:34 ` [PATCH 04/30] tegra: pmc: add command to get into RCM Lucas Stach
2014-06-03 20:34 ` [PATCH 05/30] tegra: lowlevel: setup an early stack Lucas Stach
2014-06-03 20:34 ` [PATCH 06/30] tegra: add Tegra124 id to lowlevel functions Lucas Stach
2014-06-03 20:34 ` [PATCH 07/30] tegra: lowlevel: fix ODMdata fetch on Tegra124 Lucas Stach
2014-06-03 20:34 ` [PATCH 08/30] tegra: recognize Tegra124 in maincomplex startup Lucas Stach
2014-06-03 20:34 ` [PATCH 09/30] tegra: recognize Tegra124 in common initcalls Lucas Stach
2014-06-03 20:34 ` [PATCH 10/30] tegra: add Tegra124 and AS3722 PMIC to lowlevel-dvc Lucas Stach
2014-06-03 20:34 ` [PATCH 11/30] tegra: disable IDDQ for PLL_X on Tegra124 Lucas Stach
2014-06-03 20:34 ` Lucas Stach [this message]
2014-06-03 20:35 ` [PATCH 13/30] tegra: fix MESLECT clock enable Lucas Stach
2014-06-03 20:35 ` [PATCH 14/30] tegra: change cpu internal reset layout for Tegra124 Lucas Stach
2014-06-03 20:35 ` [PATCH 15/30] tegra: add Tegra124 PLL_X rate setup Lucas Stach
2014-06-03 20:35 ` [PATCH 16/30] tegra: apply cluster switch logic to all SoCs >=T30 Lucas Stach
2014-06-03 20:35 ` [PATCH 17/30] tegra: hardcode entry address for main cluster Lucas Stach
2014-06-03 20:35 ` [PATCH 18/30] tegra: setup L2 cache on Tegra124 Lucas Stach
2014-06-03 20:35 ` [PATCH 19/30] tegra: add architectural timer init Lucas Stach
2014-06-03 20:35 ` [PATCH 20/30] tegra: add Tegra124 Kconfig symbol Lucas Stach
2014-06-03 20:35 ` [PATCH 21/30] pinctrl: tegra30: introduce drvdata Lucas Stach
2014-06-03 20:35 ` [PATCH 22/30] pinctrl: tegra: add Tegra124 support Lucas Stach
2014-06-03 20:35 ` [PATCH 23/30] clk: tegra: allow variable sized muxes Lucas Stach
2014-06-03 20:35 ` [PATCH 24/30] clk: tegra: don't bug out on zero PLL postdiv Lucas Stach
2014-06-03 20:35 ` [PATCH 25/30] clk: tegra: add Tegra124 driver Lucas Stach
2014-06-03 20:35 ` [PATCH 26/30] mci: tegra: add Tegra124 compatible Lucas Stach
2014-06-03 20:35 ` [PATCH 27/30] tegra: pmc: " Lucas Stach
2014-06-03 20:35 ` [PATCH 28/30] images: add Tegra124 image build rules Lucas Stach
2014-06-03 20:35 ` [PATCH 29/30] tegra: add NVIDIA Jetson-TK1 board support Lucas Stach
2014-06-03 20:35 ` [PATCH 30/30] tegra: refresh defconfig Lucas Stach
2014-06-04  5:22 ` [PATCH 00/30] Tegra K1 support Sascha Hauer

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