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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-02 22:43:38 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-02 22:43:38 +0200
commit3883cbb6c1bda013a3ce2dbdab7dc97c52e4a232 (patch)
tree5b69f83b049d24ac81123ac954ca8c9128e48443 /arch/arm/include/asm/v7m.h
parentMerge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
parentARM: integrator: let pciv3 use mem/premem from device tree (diff)
downloadlinux-3883cbb6c1bda013a3ce2dbdab7dc97c52e4a232.tar.xz
linux-3883cbb6c1bda013a3ce2dbdab7dc97c52e4a232.zip
Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC specific changes from Arnd Bergmann: "These changes are all to SoC-specific code, a total of 33 branches on 17 platforms were pulled into this. Like last time, Renesas sh-mobile is now the platform with the most changes, followed by OMAP and EXYNOS. Two new platforms, TI Keystone and Rockchips RK3xxx are added in this branch, both containing almost no platform specific code at all, since they are using generic subsystem interfaces for clocks, pinctrl, interrupts etc. The device drivers are getting merged through the respective subsystem maintainer trees. One more SoC (u300) is now multiplatform capable and several others (shmobile, exynos, msm, integrator, kirkwood, clps711x) are moving towards that goal with this series but need more work. Also noteworthy is the work on PCI here, which is traditionally part of the SoC specific code. With the changes done by Thomas Petazzoni, we can now more easily have PCI host controller drivers as loadable modules and keep them separate from the platform code in drivers/pci/host. This has already led to the discovery that three platforms (exynos, spear and imx) are actually using an identical PCIe host controller and will be able to share a driver once support for spear and imx is added." * tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (480 commits) ARM: integrator: let pciv3 use mem/premem from device tree ARM: integrator: set local side PCI addresses right ARM: dts: Add pcie controller node for exynos5440-ssdk5440 ARM: dts: Add pcie controller node for Samsung EXYNOS5440 SoC ARM: EXYNOS: Enable PCIe support for Exynos5440 pci: Add PCIe driver for Samsung Exynos ARM: OMAP5: voltagedomain data: remove temporary OMAP4 voltage data ARM: keystone: Move CPU bringup code to dedicated asm file ARM: multiplatform: always pick one CPU type ARM: imx: select syscon for IMX6SL ARM: keystone: select ARM_ERRATA_798181 only for SMP ARM: imx: Synertronixx scb9328 needs to select SOC_IMX1 ARM: OMAP2+: AM43x: resolve SMP related build error dmaengine: edma: enable build for AM33XX ARM: edma: Add EDMA crossbar event mux support ARM: edma: Add DT and runtime PM support to the private EDMA API dmaengine: edma: Add TI EDMA device tree binding arm: add basic support for Rockchip RK3066a boards arm: add debug uarts for rockchip rk29xx and rk3xxx series arm: Add basic clocks for Rockchip rk3066a SoCs ...
Diffstat (limited to 'arch/arm/include/asm/v7m.h')
-rw-r--r--arch/arm/include/asm/v7m.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/include/asm/v7m.h b/arch/arm/include/asm/v7m.h
new file mode 100644
index 000000000000..fa88d09fa3d9
--- /dev/null
+++ b/arch/arm/include/asm/v7m.h
@@ -0,0 +1,44 @@
+/*
+ * Common defines for v7m cpus
+ */
+#define V7M_SCS_ICTR IOMEM(0xe000e004)
+#define V7M_SCS_ICTR_INTLINESNUM_MASK 0x0000000f
+
+#define BASEADDR_V7M_SCB IOMEM(0xe000ed00)
+
+#define V7M_SCB_CPUID 0x00
+
+#define V7M_SCB_ICSR 0x04
+#define V7M_SCB_ICSR_PENDSVSET (1 << 28)
+#define V7M_SCB_ICSR_PENDSVCLR (1 << 27)
+#define V7M_SCB_ICSR_RETTOBASE (1 << 11)
+
+#define V7M_SCB_VTOR 0x08
+
+#define V7M_SCB_SCR 0x10
+#define V7M_SCB_SCR_SLEEPDEEP (1 << 2)
+
+#define V7M_SCB_CCR 0x14
+#define V7M_SCB_CCR_STKALIGN (1 << 9)
+
+#define V7M_SCB_SHPR2 0x1c
+#define V7M_SCB_SHPR3 0x20
+
+#define V7M_SCB_SHCSR 0x24
+#define V7M_SCB_SHCSR_USGFAULTENA (1 << 18)
+#define V7M_SCB_SHCSR_BUSFAULTENA (1 << 17)
+#define V7M_SCB_SHCSR_MEMFAULTENA (1 << 16)
+
+#define V7M_xPSR_FRAMEPTRALIGN 0x00000200
+#define V7M_xPSR_EXCEPTIONNO 0x000001ff
+
+/*
+ * When branching to an address that has bits [31:28] == 0xf an exception return
+ * occurs. Bits [27:5] are reserved (SBOP). If the processor implements the FP
+ * extension Bit [4] defines if the exception frame has space allocated for FP
+ * state information, SBOP otherwise. Bit [3] defines the mode that is returned
+ * to (0 -> handler mode; 1 -> thread mode). Bit [2] defines which sp is used
+ * (0 -> msp; 1 -> psp). Bits [1:0] are fixed to 0b01.
+ */
+#define EXC_RET_STACK_MASK 0x00000004
+#define EXC_RET_THREADMODE_PROCESSSTACK 0xfffffffd