diff options
Diffstat (limited to 'arch/arm')
31 files changed, 181 insertions, 1176 deletions
diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi index fdc559ab2db3..335a1d8047f2 100644 --- a/arch/arm/boot/dts/tegra114.dtsi +++ b/arch/arm/boot/dts/tegra114.dtsi @@ -220,6 +220,12 @@ interrupt-controller; }; + apbmisc@70000800 { + compatible = "nvidia,tegra114-apbmisc", "nvidia,tegra20-apbmisc"; + reg = <0x70000800 0x64 /* Chip revision */ + 0x70000008 0x04>; /* Strapping options */ + }; + pinmux: pinmux@70000868 { compatible = "nvidia,tegra114-pinmux"; reg = <0x70000868 0x148 /* Pad control registers */ @@ -485,6 +491,15 @@ clock-names = "pclk", "clk32k_in"; }; + fuse@7000f800 { + compatible = "nvidia,tegra114-efuse"; + reg = <0x7000f800 0x400>; + clocks = <&tegra_car TEGRA114_CLK_FUSE>; + clock-names = "fuse"; + resets = <&tegra_car 39>; + reset-names = "fuse"; + }; + iommu@70019010 { compatible = "nvidia,tegra114-smmu", "nvidia,tegra30-smmu"; reg = <0x70019010 0x02c diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi index 6e6bc4e8185c..226941c07d15 100644 --- a/arch/arm/boot/dts/tegra124.dtsi +++ b/arch/arm/boot/dts/tegra124.dtsi @@ -179,6 +179,12 @@ #dma-cells = <1>; }; + apbmisc@0,70000800 { + compatible = "nvidia,tegra124-apbmisc", "nvidia,tegra20-apbmisc"; + reg = <0x0 0x70000800 0x0 0x64>, /* Chip revision */ + <0x0 0x7000E864 0x0 0x04>; /* Strapping options */ + }; + pinmux: pinmux@0,70000868 { compatible = "nvidia,tegra124-pinmux"; reg = <0x0 0x70000868 0x0 0x164>, /* Pad control registers */ @@ -449,6 +455,15 @@ clock-names = "pclk", "clk32k_in"; }; + fuse@0,7000f800 { + compatible = "nvidia,tegra124-efuse"; + reg = <0x0 0x7000f800 0x0 0x400>; + clocks = <&tegra_car TEGRA124_CLK_FUSE>; + clock-names = "fuse"; + resets = <&tegra_car 39>; + reset-names = "fuse"; + }; + sdhci@0,700b0000 { compatible = "nvidia,tegra124-sdhci"; reg = <0x0 0x700b0000 0x0 0x200>; diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index a7ddf70df50b..243d84cdbae8 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -236,6 +236,12 @@ interrupt-controller; }; + apbmisc@70000800 { + compatible = "nvidia,tegra20-apbmisc"; + reg = <0x70000800 0x64 /* Chip revision */ + 0x70000008 0x04>; /* Strapping options */ + }; + pinmux: pinmux@70000014 { compatible = "nvidia,tegra20-pinmux"; reg = <0x70000014 0x10 /* Tri-state registers */ @@ -545,6 +551,15 @@ #size-cells = <0>; }; + fuse@7000f800 { + compatible = "nvidia,tegra20-efuse"; + reg = <0x7000F800 0x400>; + clocks = <&tegra_car TEGRA20_CLK_FUSE>; + clock-names = "fuse"; + resets = <&tegra_car 39>; + reset-names = "fuse"; + }; + pcie-controller@80003000 { compatible = "nvidia,tegra20-pcie"; device_type = "pci"; diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index dec4fc823901..0b1ede940d1f 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -335,6 +335,12 @@ interrupt-controller; }; + apbmisc@70000800 { + compatible = "nvidia,tegra30-apbmisc", "nvidia,tegra20-apbmisc"; + reg = <0x70000800 0x64 /* Chip revision */ + 0x70000008 0x04>; /* Strapping options */ + }; + pinmux: pinmux@70000868 { compatible = "nvidia,tegra30-pinmux"; reg = <0x70000868 0xd4 /* Pad control registers */ @@ -631,6 +637,15 @@ nvidia,ahb = <&ahb>; }; + fuse@7000f800 { + compatible = "nvidia,tegra30-efuse"; + reg = <0x7000f800 0x400>; + clocks = <&tegra_car TEGRA30_CLK_FUSE>; + clock-names = "fuse"; + resets = <&tegra_car 39>; + reset-names = "fuse"; + }; + ahub@70080000 { compatible = "nvidia,tegra30-ahub"; reg = <0x70080000 0x200 diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 6fbfbb77dcd9..c303b55de22e 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -2,24 +2,20 @@ asflags-y += -march=armv7-a obj-y += io.o obj-y += irq.o -obj-y += fuse.o obj-y += pmc.o obj-y += flowctrl.o obj-y += powergate.o -obj-y += apbio.o obj-y += pm.o obj-y += reset.o obj-y += reset-handler.o obj-y += sleep.o obj-y += tegra.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o -obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_speedo.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += sleep-tegra20.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += pm-tegra20.o ifeq ($(CONFIG_CPU_IDLE),y) obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += cpuidle-tegra20.o endif -obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_speedo.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += sleep-tegra30.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += pm-tegra30.o ifeq ($(CONFIG_CPU_IDLE),y) @@ -28,7 +24,6 @@ endif obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o -obj-$(CONFIG_ARCH_TEGRA_114_SOC) += tegra114_speedo.o obj-$(CONFIG_ARCH_TEGRA_114_SOC) += sleep-tegra30.o obj-$(CONFIG_ARCH_TEGRA_114_SOC) += pm-tegra30.o ifeq ($(CONFIG_CPU_IDLE),y) diff --git a/arch/arm/mach-tegra/apbio.c b/arch/arm/mach-tegra/apbio.c deleted file mode 100644 index bc471973cf04..000000000000 --- a/arch/arm/mach-tegra/apbio.c +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright (C) 2010 NVIDIA Corporation. - * Copyright (C) 2010 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/kernel.h> -#include <linux/io.h> -#include <linux/of.h> -#include <linux/dmaengine.h> -#include <linux/dma-mapping.h> -#include <linux/spinlock.h> -#include <linux/completion.h> -#include <linux/sched.h> -#include <linux/mutex.h> - -#include "apbio.h" -#include "iomap.h" - -#if defined(CONFIG_TEGRA20_APB_DMA) -static DEFINE_MUTEX(tegra_apb_dma_lock); -static u32 *tegra_apb_bb; -static dma_addr_t tegra_apb_bb_phys; -static DECLARE_COMPLETION(tegra_apb_wait); - -static u32 tegra_apb_readl_direct(unsigned long offset); -static void tegra_apb_writel_direct(u32 value, unsigned long offset); - -static struct dma_chan *tegra_apb_dma_chan; -static struct dma_slave_config dma_sconfig; - -static bool tegra_apb_dma_init(void) -{ - dma_cap_mask_t mask; - - mutex_lock(&tegra_apb_dma_lock); - - /* Check to see if we raced to setup */ - if (tegra_apb_dma_chan) - goto skip_init; - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - tegra_apb_dma_chan = dma_request_channel(mask, NULL, NULL); - if (!tegra_apb_dma_chan) { - /* - * This is common until the device is probed, so don't - * shout about it. - */ - pr_debug("%s: can not allocate dma channel\n", __func__); - goto err_dma_alloc; - } - - tegra_apb_bb = dma_alloc_coherent(NULL, sizeof(u32), - &tegra_apb_bb_phys, GFP_KERNEL); - if (!tegra_apb_bb) { - pr_err("%s: can not allocate bounce buffer\n", __func__); - goto err_buff_alloc; - } - - dma_sconfig.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - dma_sconfig.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - dma_sconfig.src_maxburst = 1; - dma_sconfig.dst_maxburst = 1; - -skip_init: - mutex_unlock(&tegra_apb_dma_lock); - return true; - -err_buff_alloc: - dma_release_channel(tegra_apb_dma_chan); - tegra_apb_dma_chan = NULL; - -err_dma_alloc: - mutex_unlock(&tegra_apb_dma_lock); - return false; -} - -static void apb_dma_complete(void *args) -{ - complete(&tegra_apb_wait); -} - -static int do_dma_transfer(unsigned long apb_add, - enum dma_transfer_direction dir) -{ - struct dma_async_tx_descriptor *dma_desc; - int ret; - - if (dir == DMA_DEV_TO_MEM) - dma_sconfig.src_addr = apb_add; - else - dma_sconfig.dst_addr = apb_add; - - ret = dmaengine_slave_config(tegra_apb_dma_chan, &dma_sconfig); - if (ret) - return ret; - - dma_desc = dmaengine_prep_slave_single(tegra_apb_dma_chan, - tegra_apb_bb_phys, sizeof(u32), dir, - DMA_PREP_INTERRUPT | DMA_CTRL_ACK); - if (!dma_desc) - return -EINVAL; - - dma_desc->callback = apb_dma_complete; - dma_desc->callback_param = NULL; - - reinit_completion(&tegra_apb_wait); - - dmaengine_submit(dma_desc); - dma_async_issue_pending(tegra_apb_dma_chan); - ret = wait_for_completion_timeout(&tegra_apb_wait, - msecs_to_jiffies(50)); - - if (WARN(ret == 0, "apb read dma timed out")) { - dmaengine_terminate_all(tegra_apb_dma_chan); - return -EFAULT; - } - return 0; -} - -static u32 tegra_apb_readl_using_dma(unsigned long offset) -{ - int ret; - - if (!tegra_apb_dma_chan && !tegra_apb_dma_init()) - return tegra_apb_readl_direct(offset); - - mutex_lock(&tegra_apb_dma_lock); - ret = do_dma_transfer(offset, DMA_DEV_TO_MEM); - if (ret < 0) { - pr_err("error in reading offset 0x%08lx using dma\n", offset); - *(u32 *)tegra_apb_bb = 0; - } - mutex_unlock(&tegra_apb_dma_lock); - return *((u32 *)tegra_apb_bb); -} - -static void tegra_apb_writel_using_dma(u32 value, unsigned long offset) -{ - int ret; - - if (!tegra_apb_dma_chan && !tegra_apb_dma_init()) { - tegra_apb_writel_direct(value, offset); - return; - } - - mutex_lock(&tegra_apb_dma_lock); - *((u32 *)tegra_apb_bb) = value; - ret = do_dma_transfer(offset, DMA_MEM_TO_DEV); - if (ret < 0) - pr_err("error in writing offset 0x%08lx using dma\n", offset); - mutex_unlock(&tegra_apb_dma_lock); -} -#else -#define tegra_apb_readl_using_dma tegra_apb_readl_direct -#define tegra_apb_writel_using_dma tegra_apb_writel_direct -#endif - -typedef u32 (*apbio_read_fptr)(unsigned long offset); -typedef void (*apbio_write_fptr)(u32 value, unsigned long offset); - -static apbio_read_fptr apbio_read; -static apbio_write_fptr apbio_write; - -static u32 tegra_apb_readl_direct(unsigned long offset) -{ - return readl(IO_ADDRESS(offset)); -} - -static void tegra_apb_writel_direct(u32 value, unsigned long offset) -{ - writel(value, IO_ADDRESS(offset)); -} - -void tegra_apb_io_init(void) -{ - /* Need to use dma only when it is Tegra20 based platform */ - if (of_machine_is_compatible("nvidia,tegra20") || - !of_have_populated_dt()) { - apbio_read = tegra_apb_readl_using_dma; - apbio_write = tegra_apb_writel_using_dma; - } else { - apbio_read = tegra_apb_readl_direct; - apbio_write = tegra_apb_writel_direct; - } -} - -u32 tegra_apb_readl(unsigned long offset) -{ - return apbio_read(offset); -} - -void tegra_apb_writel(u32 value, unsigned long offset) -{ - apbio_write(value, offset); -} diff --git a/arch/arm/mach-tegra/apbio.h b/arch/arm/mach-tegra/apbio.h deleted file mode 100644 index f05d71c303c7..000000000000 --- a/arch/arm/mach-tegra/apbio.h +++ /dev/null @@ -1,22 +0,0 @@ -/* - * Copyright (C) 2010 NVIDIA Corporation. - * Copyright (C) 2010 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef __MACH_TEGRA_APBIO_H -#define __MACH_TEGRA_APBIO_H - -void tegra_apb_io_init(void); -u32 tegra_apb_readl(unsigned long offset); -void tegra_apb_writel(u32 value, unsigned long offset); -#endif diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c index 9c6029ba526f..bb4782a32713 100644 --- a/arch/arm/mach-tegra/board-paz00.c +++ b/arch/arm/mach-tegra/board-paz00.c @@ -17,9 +17,10 @@ * */ -#include <linux/platform_device.h> #include <linux/gpio/driver.h> +#include <linux/platform_device.h> #include <linux/rfkill-gpio.h> + #include "board.h" static struct rfkill_gpio_platform_data wifi_rfkill_platform_data = { diff --git a/arch/arm/mach-tegra/cpuidle-tegra114.c b/arch/arm/mach-tegra/cpuidle-tegra114.c index b5fb7c110c64..e3ebdce3e71f 100644 --- a/arch/arm/mach-tegra/cpuidle-tegra114.c +++ b/arch/arm/mach-tegra/cpuidle-tegra114.c @@ -14,16 +14,16 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <linux/kernel.h> -#include <linux/module.h> +#include <asm/firmware.h> +#include <linux/clockchips.h> #include <linux/cpuidle.h> #include <linux/cpu_pm.h> -#include <linux/clockchips.h> -#include <asm/firmware.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <asm/cpuidle.h> -#include <asm/suspend.h> #include <asm/smp_plat.h> +#include <asm/suspend.h> #include "pm.h" #include "sleep.h" diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c index b82dcaee2ef4..b30bf5cba65b 100644 --- a/arch/arm/mach-tegra/cpuidle-tegra20.c +++ b/arch/arm/mach-tegra/cpuidle-tegra20.c @@ -19,23 +19,23 @@ * more details. */ -#include <linux/kernel.h> -#include <linux/module.h> +#include <linux/clk/tegra.h> +#include <linux/clockchips.h> #include <linux/cpuidle.h> #include <linux/cpu_pm.h> -#include <linux/clockchips.h> -#include <linux/clk/tegra.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <asm/cpuidle.h> #include <asm/proc-fns.h> -#include <asm/suspend.h> #include <asm/smp_plat.h> +#include <asm/suspend.h> -#include "pm.h" -#include "sleep.h" +#include "flowctrl.h" #include "iomap.h" #include "irq.h" -#include "flowctrl.h" +#include "pm.h" +#include "sleep.h" #ifdef CONFIG_PM_SLEEP static bool abort_flag; diff --git a/arch/arm/mach-tegra/cpuidle-tegra30.c b/arch/arm/mach-tegra/cpuidle-tegra30.c index ed2a2a7bae4d..35561274f6cf 100644 --- a/arch/arm/mach-tegra/cpuidle-tegra30.c +++ b/arch/arm/mach-tegra/cpuidle-tegra30.c @@ -19,17 +19,17 @@ * more details. */ -#include <linux/kernel.h> -#include <linux/module.h> +#include <linux/clk/tegra.h> +#include <linux/clockchips.h> #include <linux/cpuidle.h> #include <linux/cpu_pm.h> -#include <linux/clockchips.h> -#include <linux/clk/tegra.h> +#include <linux/kernel.h> +#include <linux/module.h> #include <asm/cpuidle.h> #include <asm/proc-fns.h> -#include <asm/suspend.h> #include <asm/smp_plat.h> +#include <asm/suspend.h> #include "pm.h" #include "sleep.h" diff --git a/arch/arm/mach-tegra/cpuidle.c b/arch/arm/mach-tegra/cpuidle.c index 7bc5d8d667fe..316563141add 100644 --- a/arch/arm/mach-tegra/cpuidle.c +++ b/arch/arm/mach-tegra/cpuidle.c @@ -24,12 +24,13 @@ #include <linux/kernel.h> #include <linux/module.h> -#include "fuse.h" +#include <soc/tegra/fuse.h> + #include "cpuidle.h" void __init tegra_cpuidle_init(void) { - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) tegra20_cpuidle_init(); @@ -49,7 +50,7 @@ void __init tegra_cpuidle_init(void) void tegra_cpuidle_pcie_irqs_in_use(void) { - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) tegra20_cpuidle_pcie_irqs_in_use(); diff --git a/arch/arm/mach-tegra/flowctrl.c b/arch/arm/mach-tegra/flowctrl.c index ce8ab8abf061..ec55d1de1b55 100644 --- a/arch/arm/mach-tegra/flowctrl.c +++ b/arch/arm/mach-tegra/flowctrl.c @@ -18,14 +18,15 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/cpumask.h> #include <linux/init.h> -#include <linux/kernel.h> #include <linux/io.h> -#include <linux/cpumask.h> +#include <linux/kernel.h> + +#include <soc/tegra/fuse.h> #include "flowctrl.h" #include "iomap.h" -#include "fuse.h" static u8 flowctrl_offset_halt_cpu[] = { FLOW_CTRL_HALT_CPU0_EVENTS, @@ -76,7 +77,7 @@ void flowctrl_cpu_suspend_enter(unsigned int cpuid) int i; reg = flowctrl_read_cpu_csr(cpuid); - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: /* clear wfe bitmap */ reg &= ~TEGRA20_FLOW_CTRL_CSR_WFE_BITMAP; @@ -117,7 +118,7 @@ void flowctrl_cpu_suspend_exit(unsigned int cpuid) /* Disable powergating via flow controller for CPU0 */ reg = flowctrl_read_cpu_csr(cpuid); - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: /* clear wfe bitmap */ reg &= ~TEGRA20_FLOW_CTRL_CSR_WFE_BITMAP; diff --git a/arch/arm/mach-tegra/fuse.c b/arch/arm/mach-tegra/fuse.c deleted file mode 100644 index c9ac23b385be..000000000000 --- a/arch/arm/mach-tegra/fuse.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * arch/arm/mach-tegra/fuse.c - * - * Copyright (C) 2010 Google, Inc. - * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. - * - * Author: - * Colin Cross <ccross@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include <linux/kernel.h> -#include <linux/io.h> -#include <linux/export.h> -#include <linux/random.h> -#include <linux/clk.h> -#include <linux/tegra-soc.h> - -#include "fuse.h" -#include "iomap.h" -#include "apbio.h" - -/* Tegra20 only */ -#define FUSE_UID_LOW 0x108 -#define FUSE_UID_HIGH 0x10c - -/* Tegra30 and later */ -#define FUSE_VENDOR_CODE 0x200 -#define FUSE_FAB_CODE 0x204 -#define FUSE_LOT_CODE_0 0x208 -#define FUSE_LOT_CODE_1 0x20c -#define FUSE_WAFER_ID 0x210 -#define FUSE_X_COORDINATE 0x214 -#define FUSE_Y_COORDINATE 0x218 - -#define FUSE_SKU_INFO 0x110 - -#define TEGRA20_FUSE_SPARE_BIT 0x200 -#define TEGRA30_FUSE_SPARE_BIT 0x244 - -int tegra_sku_id; -int tegra_cpu_process_id; -int tegra_core_process_id; -int tegra_chip_id; -int tegra_cpu_speedo_id; /* only exist in Tegra30 and later */ -int tegra_soc_speedo_id; -enum tegra_revision tegra_revision; - -static struct clk *fuse_clk; -static int tegra_fuse_spare_bit; -static void (*tegra_init_speedo_data)(void); - -/* The BCT to use at boot is specified by board straps that can be read - * through a APB misc register and decoded. 2 bits, i.e. 4 possible BCTs. - */ -int tegra_bct_strapping; - -#define STRAP_OPT 0x008 -#define GMI_AD0 (1 << 4) -#define GMI_AD1 (1 << 5) -#define RAM_ID_MASK (GMI_AD0 | GMI_AD1) -#define RAM_CODE_SHIFT 4 - -static const char *tegra_revision_name[TEGRA_REVISION_MAX] = { - [TEGRA_REVISION_UNKNOWN] = "unknown", - [TEGRA_REVISION_A01] = "A01", - [TEGRA_REVISION_A02] = "A02", - [TEGRA_REVISION_A03] = "A03", - [TEGRA_REVISION_A03p] = "A03 prime", - [TEGRA_REVISION_A04] = "A04", -}; - -static void tegra_fuse_enable_clk(void) -{ - if (IS_ERR(fuse_clk)) - fuse_clk = clk_get_sys(NULL, "fuse"); - if (IS_ERR(fuse_clk)) - return; - clk_prepare_enable(fuse_clk); -} - -static void tegra_fuse_disable_clk(void) -{ - if (IS_ERR(fuse_clk)) - return; - clk_disable_unprepare(fuse_clk); -} - -u32 tegra_fuse_readl(unsigned long offset) -{ - return tegra_apb_readl(TEGRA_FUSE_BASE + offset); -} - -bool tegra_spare_fuse(int bit) -{ - bool ret; - - tegra_fuse_enable_clk(); - - ret = tegra_fuse_readl(tegra_fuse_spare_bit + bit * 4); - - tegra_fuse_disable_clk(); - - return ret; -} - -static enum tegra_revision tegra_get_revision(u32 id) -{ - u32 minor_rev = (id >> 16) & 0xf; - - switch (minor_rev) { - case 1: - return TEGRA_REVISION_A01; - case 2: - return TEGRA_REVISION_A02; - case 3: - if (tegra_chip_id == TEGRA20 && - (tegra_spare_fuse(18) || tegra_spare_fuse(19))) - return TEGRA_REVISION_A03p; - else - return TEGRA_REVISION_A03; - case 4: - return TEGRA_REVISION_A04; - default: - return TEGRA_REVISION_UNKNOWN; - } -} - -static void tegra_get_process_id(void) -{ - u32 reg; - - tegra_fuse_enable_clk(); - - reg = tegra_fuse_readl(tegra_fuse_spare_bit); - tegra_cpu_process_id = (reg >> 6) & 3; - reg = tegra_fuse_readl(tegra_fuse_spare_bit); - tegra_core_process_id = (reg >> 12) & 3; - - tegra_fuse_disable_clk(); -} - -u32 tegra_read_chipid(void) -{ - return readl_relaxed(IO_ADDRESS(TEGRA_APB_MISC_BASE) + 0x804); -} - -static void __init tegra20_fuse_init_randomness(void) -{ - u32 randomness[2]; - - randomness[0] = tegra_fuse_readl(FUSE_UID_LOW); - randomness[1] = tegra_fuse_readl(FUSE_UID_HIGH); - - add_device_randomness(randomness, sizeof(randomness)); -} - -/* Applies to Tegra30 or later */ -static void __init tegra30_fuse_init_randomness(void) -{ - u32 randomness[7]; - - randomness[0] = tegra_fuse_readl(FUSE_VENDOR_CODE); - randomness[1] = tegra_fuse_readl(FUSE_FAB_CODE); - randomness[2] = tegra_fuse_readl(FUSE_LOT_CODE_0); - randomness[3] = tegra_fuse_readl(FUSE_LOT_CODE_1); - randomness[4] = tegra_fuse_readl(FUSE_WAFER_ID); - randomness[5] = tegra_fuse_readl(FUSE_X_COORDINATE); - randomness[6] = tegra_fuse_readl(FUSE_Y_COORDINATE); - - add_device_randomness(randomness, sizeof(randomness)); -} - -void __init tegra_init_fuse(void) -{ - u32 id; - u32 randomness[5]; - - u32 reg = readl(IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x48)); - reg |= 1 << 28; - writel(reg, IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x48)); - - /* - * Enable FUSE clock. This needs to be hardcoded because the clock - * subsystem is not active during early boot. - */ - reg = readl(IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x14)); - reg |= 1 << 7; - writel(reg, IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x14)); - fuse_clk = ERR_PTR(-EINVAL); - - reg = tegra_fuse_readl(FUSE_SKU_INFO); - randomness[0] = reg; - tegra_sku_id = reg & 0xFF; - - reg = tegra_apb_readl(TEGRA_APB_MISC_BASE + STRAP_OPT); - randomness[1] = reg; - tegra_bct_strapping = (reg & RAM_ID_MASK) >> RAM_CODE_SHIFT; - - id = tegra_read_chipid(); - randomness[2] = id; - tegra_chip_id = (id >> 8) & 0xff; - - switch (tegra_chip_id) { - case TEGRA20: - tegra_fuse_spare_bit = TEGRA20_FUSE_SPARE_BIT; - tegra_init_speedo_data = &tegra20_init_speedo_data; - break; - case TEGRA30: - tegra_fuse_spare_bit = TEGRA30_FUSE_SPARE_BIT; - tegra_init_speedo_data = &tegra30_init_speedo_data; - break; - case TEGRA114: - tegra_init_speedo_data = &tegra114_init_speedo_data; - break; - default: - pr_warn("Tegra: unknown chip id %d\n", tegra_chip_id); - tegra_fuse_spare_bit = TEGRA20_FUSE_SPARE_BIT; - tegra_init_speedo_data = &tegra_get_process_id; - } - - tegra_revision = tegra_get_revision(id); - tegra_init_speedo_data(); - randomness[3] = (tegra_cpu_process_id << 16) | tegra_core_process_id; - randomness[4] = (tegra_cpu_speedo_id << 16) | tegra_soc_speedo_id; - - add_device_randomness(randomness, sizeof(randomness)); - switch (tegra_chip_id) { - case TEGRA20: - tegra20_fuse_init_randomness(); - break; - case TEGRA30: - case TEGRA114: - default: - tegra30_fuse_init_randomness(); - break; - } - - pr_info("Tegra Revision: %s SKU: %d CPU Process: %d Core Process: %d\n", - tegra_revision_name[tegra_revision], - tegra_sku_id, tegra_cpu_process_id, - tegra_core_process_id); -} diff --git a/arch/arm/mach-tegra/fuse.h b/arch/arm/mach-tegra/fuse.h deleted file mode 100644 index c01d04785d67..000000000000 --- a/arch/arm/mach-tegra/fuse.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright (C) 2010 Google, Inc. - * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. - * - * Author: - * Colin Cross <ccross@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef __MACH_TEGRA_FUSE_H -#define __MACH_TEGRA_FUSE_H - -#define SKU_ID_T20 8 -#define SKU_ID_T25SE 20 -#define SKU_ID_AP25 23 -#define SKU_ID_T25 24 -#define SKU_ID_AP25E 27 -#define SKU_ID_T25E 28 - -#define TEGRA20 0x20 -#define TEGRA30 0x30 -#define TEGRA114 0x35 -#define TEGRA124 0x40 - -#ifndef __ASSEMBLY__ -enum tegra_revision { - TEGRA_REVISION_UNKNOWN = 0, - TEGRA_REVISION_A01, - TEGRA_REVISION_A02, - TEGRA_REVISION_A03, - TEGRA_REVISION_A03p, - TEGRA_REVISION_A04, - TEGRA_REVISION_MAX, -}; - -extern int tegra_sku_id; -extern int tegra_cpu_process_id; -extern int tegra_core_process_id; -extern int tegra_chip_id; -extern int tegra_cpu_speedo_id; /* only exist in Tegra30 and later */ -extern int tegra_soc_speedo_id; -extern enum tegra_revision tegra_revision; - -extern int tegra_bct_strapping; - -unsigned long long tegra_chip_uid(void); -void tegra_init_fuse(void); -bool tegra_spare_fuse(int bit); -u32 tegra_fuse_readl(unsigned long offset); - -#ifdef CONFIG_ARCH_TEGRA_2x_SOC -void tegra20_init_speedo_data(void); -#else -static inline void tegra20_init_speedo_data(void) {} -#endif - -#ifdef CONFIG_ARCH_TEGRA_3x_SOC -void tegra30_init_speedo_data(void); -#else -static inline void tegra30_init_speedo_data(void) {} -#endif - -#ifdef CONFIG_ARCH_TEGRA_114_SOC -void tegra114_init_speedo_data(void); -#else -static inline void tegra114_init_speedo_data(void) {} -#endif -#endif /* __ASSEMBLY__ */ - -#endif diff --git a/arch/arm/mach-tegra/hotplug.c b/arch/arm/mach-tegra/hotplug.c index ff26af26bd0c..d60339c996cb 100644 --- a/arch/arm/mach-tegra/hotplug.c +++ b/arch/arm/mach-tegra/hotplug.c @@ -7,13 +7,15 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ + +#include <linux/clk/tegra.h> #include <linux/kernel.h> #include <linux/smp.h> -#include <linux/clk/tegra.h> + +#include <soc/tegra/fuse.h> #include <asm/smp_plat.h> -#include "fuse.h" #include "sleep.h" static void (*tegra_hotplug_shutdown)(void); @@ -51,12 +53,12 @@ void __init tegra_hotplug_init(void) if (!IS_ENABLED(CONFIG_HOTPLUG_CPU)) return; - if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && tegra_chip_id == TEGRA20) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && tegra_get_chip_id() == TEGRA20) tegra_hotplug_shutdown = tegra20_hotplug_shutdown; - if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_chip_id == TEGRA30) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_get_chip_id() == TEGRA30) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; - if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_chip_id == TEGRA114) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_get_chip_id() == TEGRA114) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; - if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_chip_id == TEGRA124) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_get_chip_id() == TEGRA124) tegra_hotplug_shutdown = tegra30_hotplug_shutdown; } diff --git a/arch/arm/mach-tegra/io.c b/arch/arm/mach-tegra/io.c index bb9c9c29d181..352de159d2c5 100644 --- a/arch/arm/mach-tegra/io.c +++ b/arch/arm/mach-tegra/io.c @@ -18,14 +18,14 @@ * */ -#include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> -#include <linux/mm.h> #include <linux/io.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/module.h> -#include <asm/page.h> #include <asm/mach/map.h> +#include <asm/page.h> #include "board.h" #include "iomap.h" diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c index 1a74d562dca1..da7be13aecce 100644 --- a/arch/arm/mach-tegra/irq.c +++ b/arch/arm/mach-tegra/irq.c @@ -17,14 +17,14 @@ * */ -#include <linux/kernel.h> #include <linux/cpu_pm.h> #include <linux/interrupt.h> -#include <linux/irq.h> #include <linux/io.h> -#include <linux/of.h> -#include <linux/of_address.h> #include <linux/irqchip/arm-gic.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_address.h> +#include <linux/of.h> #include <linux/syscore_ops.h> #include "board.h" diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c index 929d1046e2b4..0466a145b500 100644 --- a/arch/arm/mach-tegra/platsmp.c +++ b/arch/arm/mach-tegra/platsmp.c @@ -11,27 +11,28 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#include <linux/init.h> -#include <linux/errno.h> + +#include <linux/clk/tegra.h> #include <linux/delay.h> #include <linux/device.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/io.h> #include <linux/jiffies.h> #include <linux/smp.h> -#include <linux/io.h> -#include <linux/clk/tegra.h> + +#include <soc/tegra/fuse.h> #include <asm/cacheflush.h> #include <asm/mach-types.h> -#include <asm/smp_scu.h> #include <asm/smp_plat.h> - -#include "fuse.h" -#include "flowctrl.h" -#include "reset.h" -#include "pmc.h" +#include <asm/smp_scu.h> #include "common.h" +#include "flowctrl.h" #include "iomap.h" +#include "pmc.h" +#include "reset.h" static cpumask_t tegra_cpu_init_mask; @@ -170,13 +171,13 @@ static int tegra114_boot_secondary(unsigned int cpu, struct task_struct *idle) static int tegra_boot_secondary(unsigned int cpu, struct task_struct *idle) { - if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && tegra_chip_id == TEGRA20) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC) && tegra_get_chip_id() == TEGRA20) return tegra20_boot_secondary(cpu, idle); - if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_chip_id == TEGRA30) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_3x_SOC) && tegra_get_chip_id() == TEGRA30) return tegra30_boot_secondary(cpu, idle); - if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_chip_id == TEGRA114) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_114_SOC) && tegra_get_chip_id() == TEGRA114) return tegra114_boot_secondary(cpu, idle); - if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_chip_id == TEGRA124) + if (IS_ENABLED(CONFIG_ARCH_TEGRA_124_SOC) && tegra_get_chip_id() == TEGRA124) return tegra114_boot_secondary(cpu, idle); return -EINVAL; diff --git a/arch/arm/mach-tegra/pm-tegra20.c b/arch/arm/mach-tegra/pm-tegra20.c index d65e1d786400..39ac2b723f2e 100644 --- a/arch/arm/mach-tegra/pm-tegra20.c +++ b/arch/arm/mach-tegra/pm-tegra20.c @@ -13,6 +13,7 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ + #include <linux/kernel.h> #include "pm.h" diff --git a/arch/arm/mach-tegra/pm-tegra30.c b/arch/arm/mach-tegra/pm-tegra30.c index 8fa326d6ff1a..46cc19de9916 100644 --- a/arch/arm/mach-tegra/pm-tegra30.c +++ b/arch/arm/mach-tegra/pm-tegra30.c @@ -13,6 +13,7 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ + #include <linux/kernel.h> #include "pm.h" diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c index f55b05a29b55..94db3b6664df 100644 --- a/arch/arm/mach-tegra/pm.c +++ b/arch/arm/mach-tegra/pm.c @@ -16,30 +16,31 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/io.h> +#include <linux/clk/tegra.h> #include <linux/cpumask.h> -#include <linux/delay.h> #include <linux/cpu_pm.h> -#include <linux/suspend.h> +#include <linux/delay.h> #include <linux/err.h> +#include <linux/io.h> +#include <linux/kernel.h> #include <linux/slab.h> -#include <linux/clk/tegra.h> +#include <linux/spinlock.h> +#include <linux/suspend.h> + +#include <soc/tegra/fuse.h> -#include <asm/smp_plat.h> #include <asm/cacheflush.h> -#include <asm/suspend.h> #include <asm/idmap.h> #include <asm/proc-fns.h> +#include <asm/smp_plat.h> +#include <asm/suspend.h> #include <asm/tlbflush.h> -#include "iomap.h" -#include "reset.h" #include "flowctrl.h" -#include "fuse.h" -#include "pm.h" +#include "iomap.h" #include "pmc.h" +#include "pm.h" +#include "reset.h" #include "sleep.h" #ifdef CONFIG_PM_SLEEP @@ -53,7 +54,7 @@ static int (*tegra_sleep_func)(unsigned long v2p); static void tegra_tear_down_cpu_init(void) { - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) tegra_tear_down_cpu = tegra20_tear_down_cpu; @@ -143,7 +144,7 @@ bool tegra_set_cpu_in_lp2(void) if ((phy_cpu_id == 0) && cpumask_equal(cpu_lp2_mask, cpu_online_mask)) last_cpu = true; - else if (tegra_chip_id == TEGRA20 && phy_cpu_id == 1) + else if (tegra_get_chip_id() == TEGRA20 && phy_cpu_id == 1) tegra20_cpu_set_resettable_soon(); spin_unlock(&tegra_lp2_lock); @@ -212,7 +213,7 @@ static int tegra_sleep_core(unsigned long v2p) */ static bool tegra_lp1_iram_hook(void) { - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) tegra20_lp1_iram_hook(); @@ -242,7 +243,7 @@ static bool tegra_lp1_iram_hook(void) static bool tegra_sleep_core_init(void) { - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: if (IS_ENABLED(CONFIG_ARCH_TEGRA_2x_SOC)) tegra20_sleep_core_init(); diff --git a/arch/arm/mach-tegra/pmc.c b/arch/arm/mach-tegra/pmc.c index 7c7123e7557b..69df18090c8b 100644 --- a/arch/arm/mach-tegra/pmc.c +++ b/arch/arm/mach-tegra/pmc.c @@ -15,15 +15,16 @@ * */ -#include <linux/kernel.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/kernel.h> #include <linux/of.h> #include <linux/of_address.h> -#include <linux/tegra-powergate.h> + +#include <soc/tegra/fuse.h> +#include <soc/tegra/powergate.h> #include "flowctrl.h" -#include "fuse.h" #include "pm.h" #include "pmc.h" #include "sleep.h" @@ -251,7 +252,7 @@ void tegra_pmc_pm_set(enum tegra_suspend_mode mode) reg |= TEGRA_POWER_CPU_PWRREQ_OE; reg &= ~TEGRA_POWER_EFFECT_LP0; - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: case TEGRA30: break; diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c index 4cefc5cd6bed..0a14b8638437 100644 --- a/arch/arm/mach-tegra/powergate.c +++ b/arch/arm/mach-tegra/powergate.c @@ -17,21 +17,22 @@ * */ -#include <linux/kernel.h> #include <linux/clk.h> +#include <linux/clk/tegra.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/err.h> #include <linux/export.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/kernel.h> #include <linux/reset.h> #include <linux/seq_file.h> #include <linux/spinlock.h> -#include <linux/clk/tegra.h> -#include <linux/tegra-powergate.h> -#include "fuse.h" +#include <soc/tegra/fuse.h> +#include <soc/tegra/powergate.h> + #include "iomap.h" #define DPD_SAMPLE 0x020 @@ -157,7 +158,7 @@ int tegra_powergate_remove_clamping(int id) * The Tegra124 GPU has a separate register (with different semantics) * to remove clamps. */ - if (tegra_chip_id == TEGRA124) { + if (tegra_get_chip_id() == TEGRA124) { if (id == TEGRA_POWERGATE_3D) { pmc_write(0, GPU_RG_CNTRL); return 0; @@ -227,7 +228,7 @@ int tegra_cpu_powergate_id(int cpuid) int __init tegra_powergate_init(void) { - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: tegra_num_powerdomains = 7; break; @@ -368,7 +369,7 @@ int __init tegra_powergate_debugfs_init(void) { struct dentry *d; - switch (tegra_chip_id) { + switch (tegra_get_chip_id()) { case TEGRA20: powergate_name = powergate_name_t20; break; diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index 578d4d1ad648..7b2baab0f0bd 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -14,14 +14,15 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <linux/linkage.h> #include <linux/init.h> +#include <linux/linkage.h> + +#include <soc/tegra/fuse.h> -#include <asm/cache.h> #include <asm/asm-offsets.h> +#include <asm/cache.h> #include "flowctrl.h" -#include "fuse.h" #include "iomap.h" #include "reset.h" #include "sleep.h" diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c index 146fe8e0ae7c..5377495d41b8 100644 --- a/arch/arm/mach-tegra/reset.c +++ b/arch/arm/mach-tegra/reset.c @@ -14,20 +14,21 @@ * */ +#include <linux/bitops.h> +#include <linux/cpumask.h> #include <linux/init.h> #include <linux/io.h> -#include <linux/cpumask.h> -#include <linux/bitops.h> + +#include <soc/tegra/fuse.h> #include <asm/cacheflush.h> -#include <asm/hardware/cache-l2x0.h> #include <asm/firmware.h> +#include <asm/hardware/cache-l2x0.h> #include "iomap.h" #include "irammap.h" #include "reset.h" #include "sleep.h" -#include "fuse.h" #define TEGRA_IRAM_RESET_BASE (TEGRA_IRAM_BASE + \ TEGRA_IRAM_RESET_HANDLER_OFFSET) @@ -53,7 +54,7 @@ static void __init tegra_cpu_reset_handler_set(const u32 reset_address) * Prevent further modifications to the physical reset vector. * NOTE: Has no effect on chips prior to Tegra30. */ - if (tegra_chip_id != TEGRA20) { + if (tegra_get_chip_id() != TEGRA20) { reg = readl(sb_ctrl); reg |= 2; writel(reg, sb_ctrl); diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S index b16d4a57fa59..8ea699b8e3cb 100644 --- a/arch/arm/mach-tegra/sleep-tegra30.S +++ b/arch/arm/mach-tegra/sleep-tegra30.S @@ -16,14 +16,15 @@ #include <linux/linkage.h> -#include <asm/assembler.h> +#include <soc/tegra/fuse.h> + #include <asm/asm-offsets.h> +#include <asm/assembler.h> #include <asm/cache.h> +#include "flowctrl.h" #include "irammap.h" -#include "fuse.h" #include "sleep.h" -#include "flowctrl.h" #define EMC_CFG 0xc #define EMC_ADR_CFG 0x10 diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index 15ac9fcc96b1..6ccbc8ca1db5 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -16,37 +16,37 @@ * */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/serial_8250.h> #include <linux/clk.h> +#include <linux/clk/tegra.h> #include <linux/dma-mapping.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/irqchip.h> #include <linux/irqdomain.h> -#include <linux/of.h> +#include <linux/kernel.h> #include <linux/of_address.h> #include <linux/of_fdt.h> +#include <linux/of.h> #include <linux/of_platform.h> #include <linux/pda_power.h> -#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> #include <linux/slab.h> #include <linux/sys_soc.h> #include <linux/usb/tegra_usb_phy.h> -#include <linux/clk/tegra.h> -#include <linux/irqchip.h> + +#include <soc/tegra/fuse.h> #include <asm/hardware/cache-l2x0.h> -#include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> +#include <asm/mach-types.h> #include <asm/setup.h> #include <asm/trusted_foundations.h> -#include "apbio.h" #include "board.h" #include "common.h" #include "cpuidle.h" -#include "fuse.h" #include "iomap.h" #include "irq.h" #include "pmc.h" @@ -73,7 +73,6 @@ u32 tegra_uart_config[3] = { static void __init tegra_init_early(void) { of_register_trusted_foundations(); - tegra_apb_io_init(); tegra_init_fuse(); tegra_cpu_reset_handler_init(); tegra_powergate_init(); @@ -103,8 +102,9 @@ static void __init tegra_dt_init(void) goto out; soc_dev_attr->family = kasprintf(GFP_KERNEL, "Tegra"); - soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d", tegra_revision); - soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%d", tegra_chip_id); + soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d", + tegra_sku_info.revision); + soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "%u", tegra_get_chip_id()); soc_dev = soc_device_register(soc_dev_attr); if (IS_ERR(soc_dev)) { diff --git a/arch/arm/mach-tegra/tegra114_speedo.c b/arch/arm/mach-tegra/tegra114_speedo.c deleted file mode 100644 index 5218d4853cd3..000000000000 --- a/arch/arm/mach-tegra/tegra114_speedo.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/kernel.h> -#include <linux/bug.h> - -#include "fuse.h" - -#define CORE_PROCESS_CORNERS_NUM 2 -#define CPU_PROCESS_CORNERS_NUM 2 - -enum { - THRESHOLD_INDEX_0, - THRESHOLD_INDEX_1, - THRESHOLD_INDEX_COUNT, -}; - -static const u32 core_process_speedos[][CORE_PROCESS_CORNERS_NUM] = { - {1123, UINT_MAX}, - {0, UINT_MAX}, -}; - -static const u32 cpu_process_speedos[][CPU_PROCESS_CORNERS_NUM] = { - {1695, UINT_MAX}, - {0, UINT_MAX}, -}; - -static void rev_sku_to_speedo_ids(int rev, int sku, int *threshold) -{ - u32 tmp; - - switch (sku) { - case 0x00: - case 0x10: - case 0x05: - case 0x06: - tegra_cpu_speedo_id = 1; - tegra_soc_speedo_id = 0; - *threshold = THRESHOLD_INDEX_0; - break; - - case 0x03: - case 0x04: - tegra_cpu_speedo_id = 2; - tegra_soc_speedo_id = 1; - *threshold = THRESHOLD_INDEX_1; - break; - - default: - pr_err("Tegra114 Unknown SKU %d\n", sku); - tegra_cpu_speedo_id = 0; - tegra_soc_speedo_id = 0; - *threshold = THRESHOLD_INDEX_0; - break; - } - - if (rev == TEGRA_REVISION_A01) { - tmp = tegra_fuse_readl(0x270) << 1; - tmp |= tegra_fuse_readl(0x26c); - if (!tmp) - tegra_cpu_speedo_id = 0; - } -} - -void tegra114_init_speedo_data(void) -{ - u32 cpu_speedo_val; - u32 core_speedo_val; - int threshold; - int i; - - BUILD_BUG_ON(ARRAY_SIZE(cpu_process_speedos) != - THRESHOLD_INDEX_COUNT); - BUILD_BUG_ON(ARRAY_SIZE(core_process_speedos) != - THRESHOLD_INDEX_COUNT); - - rev_sku_to_speedo_ids(tegra_revision, tegra_sku_id, &threshold); - - cpu_speedo_val = tegra_fuse_readl(0x12c) + 1024; - core_speedo_val = tegra_fuse_readl(0x134); - - for (i = 0; i < CPU_PROCESS_CORNERS_NUM; i++) - if (cpu_speedo_val < cpu_process_speedos[threshold][i]) - break; - tegra_cpu_process_id = i; - - for (i = 0; i < CORE_PROCESS_CORNERS_NUM; i++) - if (core_speedo_val < core_process_speedos[threshold][i]) - break; - tegra_core_process_id = i; -} diff --git a/arch/arm/mach-tegra/tegra20_speedo.c b/arch/arm/mach-tegra/tegra20_speedo.c deleted file mode 100644 index fa6eb570623f..000000000000 --- a/arch/arm/mach-tegra/tegra20_speedo.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/kernel.h> -#include <linux/bug.h> - -#include "fuse.h" - -#define CPU_SPEEDO_LSBIT 20 -#define CPU_SPEEDO_MSBIT 29 -#define CPU_SPEEDO_REDUND_LSBIT 30 -#define CPU_SPEEDO_REDUND_MSBIT 39 -#define CPU_SPEEDO_REDUND_OFFS (CPU_SPEEDO_REDUND_MSBIT - CPU_SPEEDO_MSBIT) - -#define CORE_SPEEDO_LSBIT 40 -#define CORE_SPEEDO_MSBIT 47 -#define CORE_SPEEDO_REDUND_LSBIT 48 -#define CORE_SPEEDO_REDUND_MSBIT 55 -#define CORE_SPEEDO_REDUND_OFFS (CORE_SPEEDO_REDUND_MSBIT - CORE_SPEEDO_MSBIT) - -#define SPEEDO_MULT 4 - -#define PROCESS_CORNERS_NUM 4 - -#define SPEEDO_ID_SELECT_0(rev) ((rev) <= 2) -#define SPEEDO_ID_SELECT_1(sku) \ - (((sku) != 20) && ((sku) != 23) && ((sku) != 24) && \ - ((sku) != 27) && ((sku) != 28)) - -enum { - SPEEDO_ID_0, - SPEEDO_ID_1, - SPEEDO_ID_2, - SPEEDO_ID_COUNT, -}; - -static const u32 cpu_process_speedos[][PROCESS_CORNERS_NUM] = { - {315, 366, 420, UINT_MAX}, - {303, 368, 419, UINT_MAX}, - {316, 331, 383, UINT_MAX}, -}; - -static const u32 core_process_speedos[][PROCESS_CORNERS_NUM] = { - {165, 195, 224, UINT_MAX}, - {165, 195, 224, UINT_MAX}, - {165, 195, 224, UINT_MAX}, -}; - -void tegra20_init_speedo_data(void) -{ - u32 reg; - u32 val; - int i; - - BUILD_BUG_ON(ARRAY_SIZE(cpu_process_speedos) != SPEEDO_ID_COUNT); - BUILD_BUG_ON(ARRAY_SIZE(core_process_speedos) != SPEEDO_ID_COUNT); - - if (SPEEDO_ID_SELECT_0(tegra_revision)) - tegra_soc_speedo_id = SPEEDO_ID_0; - else if (SPEEDO_ID_SELECT_1(tegra_sku_id)) - tegra_soc_speedo_id = SPEEDO_ID_1; - else - tegra_soc_speedo_id = SPEEDO_ID_2; - - val = 0; - for (i = CPU_SPEEDO_MSBIT; i >= CPU_SPEEDO_LSBIT; i--) { - reg = tegra_spare_fuse(i) | - tegra_spare_fuse(i + CPU_SPEEDO_REDUND_OFFS); - val = (val << 1) | (reg & 0x1); - } - val = val * SPEEDO_MULT; - pr_debug("%s CPU speedo value %u\n", __func__, val); - - for (i = 0; i < (PROCESS_CORNERS_NUM - 1); i++) { - if (val <= cpu_process_speedos[tegra_soc_speedo_id][i]) - break; - } - tegra_cpu_process_id = i; - - val = 0; - for (i = CORE_SPEEDO_MSBIT; i >= CORE_SPEEDO_LSBIT; i--) { - reg = tegra_spare_fuse(i) | - tegra_spare_fuse(i + CORE_SPEEDO_REDUND_OFFS); - val = (val << 1) | (reg & 0x1); - } - val = val * SPEEDO_MULT; - pr_debug("%s Core speedo value %u\n", __func__, val); - - for (i = 0; i < (PROCESS_CORNERS_NUM - 1); i++) { - if (val <= core_process_speedos[tegra_soc_speedo_id][i]) - break; - } - tegra_core_process_id = i; - - pr_info("Tegra20 Soc Speedo ID %d", tegra_soc_speedo_id); -} diff --git a/arch/arm/mach-tegra/tegra30_speedo.c b/arch/arm/mach-tegra/tegra30_speedo.c deleted file mode 100644 index 125cb16424a6..000000000000 --- a/arch/arm/mach-tegra/tegra30_speedo.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/kernel.h> -#include <linux/bug.h> - -#include "fuse.h" - -#define CORE_PROCESS_CORNERS_NUM 1 -#define CPU_PROCESS_CORNERS_NUM 6 - -#define FUSE_SPEEDO_CALIB_0 0x114 -#define FUSE_PACKAGE_INFO 0X1FC -#define FUSE_TEST_PROG_VER 0X128 - -#define G_SPEEDO_BIT_MINUS1 58 -#define G_SPEEDO_BIT_MINUS1_R 59 -#define G_SPEEDO_BIT_MINUS2 60 -#define G_SPEEDO_BIT_MINUS2_R 61 -#define LP_SPEEDO_BIT_MINUS1 62 -#define LP_SPEEDO_BIT_MINUS1_R 63 -#define LP_SPEEDO_BIT_MINUS2 64 -#define LP_SPEEDO_BIT_MINUS2_R 65 - -enum { - THRESHOLD_INDEX_0, - THRESHOLD_INDEX_1, - THRESHOLD_INDEX_2, - THRESHOLD_INDEX_3, - THRESHOLD_INDEX_4, - THRESHOLD_INDEX_5, - THRESHOLD_INDEX_6, - THRESHOLD_INDEX_7, - THRESHOLD_INDEX_8, - THRESHOLD_INDEX_9, - THRESHOLD_INDEX_10, - THRESHOLD_INDEX_11, - THRESHOLD_INDEX_COUNT, -}; - -static const u32 core_process_speedos[][CORE_PROCESS_CORNERS_NUM] = { - {180}, - {170}, - {195}, - {180}, - {168}, - {192}, - {180}, - {170}, - {195}, - {180}, - {180}, - {180}, -}; - -static const u32 cpu_process_speedos[][CPU_PROCESS_CORNERS_NUM] = { - {306, 338, 360, 376, UINT_MAX}, - {295, 336, 358, 375, UINT_MAX}, - {325, 325, 358, 375, UINT_MAX}, - {325, 325, 358, 375, UINT_MAX}, - {292, 324, 348, 364, UINT_MAX}, - {324, 324, 348, 364, UINT_MAX}, - {324, 324, 348, 364, UINT_MAX}, - {295, 336, 358, 375, UINT_MAX}, - {358, 358, 358, 358, 397, UINT_MAX}, - {364, 364, 364, 364, 397, UINT_MAX}, - {295, 336, 358, 375, 391, UINT_MAX}, - {295, 336, 358, 375, 391, UINT_MAX}, -}; - -static int threshold_index; -static int package_id; - -static void fuse_speedo_calib(u32 *speedo_g, u32 *speedo_lp) -{ - u32 reg; - int ate_ver; - int bit_minus1; - int bit_minus2; - - reg = tegra_fuse_readl(FUSE_SPEEDO_CALIB_0); - - *speedo_lp = (reg & 0xFFFF) * 4; - *speedo_g = ((reg >> 16) & 0xFFFF) * 4; - - ate_ver = tegra_fuse_readl(FUSE_TEST_PROG_VER); - pr_info("%s: ATE prog ver %d.%d\n", __func__, ate_ver/10, ate_ver%10); - - if (ate_ver >= 26) { - bit_minus1 = tegra_spare_fuse(LP_SPEEDO_BIT_MINUS1); - bit_minus1 |= tegra_spare_fuse(LP_SPEEDO_BIT_MINUS1_R); - bit_minus2 = tegra_spare_fuse(LP_SPEEDO_BIT_MINUS2); - bit_minus2 |= tegra_spare_fuse(LP_SPEEDO_BIT_MINUS2_R); - *speedo_lp |= (bit_minus1 << 1) | bit_minus2; - - bit_minus1 = tegra_spare_fuse(G_SPEEDO_BIT_MINUS1); - bit_minus1 |= tegra_spare_fuse(G_SPEEDO_BIT_MINUS1_R); - bit_minus2 = tegra_spare_fuse(G_SPEEDO_BIT_MINUS2); - bit_minus2 |= tegra_spare_fuse(G_SPEEDO_BIT_MINUS2_R); - *speedo_g |= (bit_minus1 << 1) | bit_minus2; - } else { - *speedo_lp |= 0x3; - *speedo_g |= 0x3; - } -} - -static void rev_sku_to_speedo_ids(int rev, int sku) -{ - switch (rev) { - case TEGRA_REVISION_A01: - tegra_cpu_speedo_id = 0; - tegra_soc_speedo_id = 0; - threshold_index = THRESHOLD_INDEX_0; - break; - case TEGRA_REVISION_A02: - case TEGRA_REVISION_A03: - switch (sku) { - case 0x87: - case 0x82: - tegra_cpu_speedo_id = 1; - tegra_soc_speedo_id = 1; - threshold_index = THRESHOLD_INDEX_1; - break; - case 0x81: - switch (package_id) { - case 1: - tegra_cpu_speedo_id = 2; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_2; - break; - case 2: - tegra_cpu_speedo_id = 4; - tegra_soc_speedo_id = 1; - threshold_index = THRESHOLD_INDEX_7; - break; - default: - pr_err("Tegra30: Unknown pkg %d\n", package_id); - BUG(); - break; - } - break; - case 0x80: - switch (package_id) { - case 1: - tegra_cpu_speedo_id = 5; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_8; - break; - case 2: - tegra_cpu_speedo_id = 6; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_9; - break; - default: - pr_err("Tegra30: Unknown pkg %d\n", package_id); - BUG(); - break; - } - break; - case 0x83: - switch (package_id) { - case 1: - tegra_cpu_speedo_id = 7; - tegra_soc_speedo_id = 1; - threshold_index = THRESHOLD_INDEX_10; - break; - case 2: - tegra_cpu_speedo_id = 3; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_3; - break; - default: - pr_err("Tegra30: Unknown pkg %d\n", package_id); - BUG(); - break; - } - break; - case 0x8F: - tegra_cpu_speedo_id = 8; - tegra_soc_speedo_id = 1; - threshold_index = THRESHOLD_INDEX_11; - break; - case 0x08: - tegra_cpu_speedo_id = 1; - tegra_soc_speedo_id = 1; - threshold_index = THRESHOLD_INDEX_4; - break; - case 0x02: - tegra_cpu_speedo_id = 2; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_5; - break; - case 0x04: - tegra_cpu_speedo_id = 3; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_6; - break; - case 0: - switch (package_id) { - case 1: - tegra_cpu_speedo_id = 2; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_2; - break; - case 2: - tegra_cpu_speedo_id = 3; - tegra_soc_speedo_id = 2; - threshold_index = THRESHOLD_INDEX_3; - break; - default: - pr_err("Tegra30: Unknown pkg %d\n", package_id); - BUG(); - break; - } - break; - default: - pr_warn("Tegra30: Unknown SKU %d\n", sku); - tegra_cpu_speedo_id = 0; - tegra_soc_speedo_id = 0; - threshold_index = THRESHOLD_INDEX_0; - break; - } - break; - default: - pr_warn("Tegra30: Unknown chip rev %d\n", rev); - tegra_cpu_speedo_id = 0; - tegra_soc_speedo_id = 0; - threshold_index = THRESHOLD_INDEX_0; - break; - } -} - -void tegra30_init_speedo_data(void) -{ - u32 cpu_speedo_val; - u32 core_speedo_val; - int i; - - BUILD_BUG_ON(ARRAY_SIZE(cpu_process_speedos) != - THRESHOLD_INDEX_COUNT); - BUILD_BUG_ON(ARRAY_SIZE(core_process_speedos) != - THRESHOLD_INDEX_COUNT); - - package_id = tegra_fuse_readl(FUSE_PACKAGE_INFO) & 0x0F; - - rev_sku_to_speedo_ids(tegra_revision, tegra_sku_id); - fuse_speedo_calib(&cpu_speedo_val, &core_speedo_val); - pr_debug("%s CPU speedo value %u\n", __func__, cpu_speedo_val); - pr_debug("%s Core speedo value %u\n", __func__, core_speedo_val); - - for (i = 0; i < CPU_PROCESS_CORNERS_NUM; i++) { - if (cpu_speedo_val < cpu_process_speedos[threshold_index][i]) - break; - } - tegra_cpu_process_id = i - 1; - - if (tegra_cpu_process_id == -1) { - pr_warn("Tegra30: CPU speedo value %3d out of range", - cpu_speedo_val); - tegra_cpu_process_id = 0; - tegra_cpu_speedo_id = 1; - } - - for (i = 0; i < CORE_PROCESS_CORNERS_NUM; i++) { - if (core_speedo_val < core_process_speedos[threshold_index][i]) - break; - } - tegra_core_process_id = i - 1; - - if (tegra_core_process_id == -1) { - pr_warn("Tegra30: CORE speedo value %3d out of range", - core_speedo_val); - tegra_core_process_id = 0; - tegra_soc_speedo_id = 1; - } - - pr_info("Tegra30: CPU Speedo ID %d, Soc Speedo ID %d", - tegra_cpu_speedo_id, tegra_soc_speedo_id); -} |
