diff options
Diffstat (limited to 'arch/mips/include/asm/mach-cavium-octeon')
7 files changed, 83 insertions, 90 deletions
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h index a58addb98cf..cf802287289 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h @@ -22,7 +22,6 @@ #define cpu_has_3k_cache 0 #define cpu_has_4k_cache 0 #define cpu_has_tx39_cache 0 -#define cpu_has_fpu 0 #define cpu_has_counter 1 #define cpu_has_watch 1 #define cpu_has_divec 1 @@ -53,12 +52,13 @@ #define cpu_has_mips64r2 1 #define cpu_has_mips_r2_exec_hazard 0 #define cpu_has_dsp 0 +#define cpu_has_dsp2 0 #define cpu_has_mipsmt 0 #define cpu_has_vint 0 #define cpu_has_veic 0 #define cpu_hwrena_impl_bits 0xc0000000 -#define kernel_uses_smartmips_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) +#define cpu_has_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) #define ARCH_HAS_IRQ_PER_CPU 1 #define ARCH_HAS_SPINLOCK_PREFETCH 1 diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h index be8fb4240ce..f9f44865050 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h +++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h @@ -13,6 +13,8 @@ #ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H #define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H +#include <linux/bug.h> + struct device; extern void octeon_pci_dma_init(void); @@ -21,18 +23,21 @@ static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size) { BUG(); + return 0; } static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page) { BUG(); + return 0; } static inline unsigned long plat_dma_addr_to_phys(struct device *dev, dma_addr_t dma_addr) { BUG(); + return 0; } static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, @@ -44,11 +49,7 @@ static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr, static inline int plat_dma_supported(struct device *dev, u64 mask) { BUG(); -} - -static inline void plat_extra_sync_for_device(struct device *dev) -{ - BUG(); + return 0; } static inline int plat_device_is_coherent(struct device *dev) @@ -56,12 +57,6 @@ static inline int plat_device_is_coherent(struct device *dev) return 1; } -static inline int plat_dma_mapping_error(struct device *dev, - dma_addr_t dma_addr) -{ - BUG(); -} - dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr); phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr); diff --git a/arch/mips/include/asm/mach-cavium-octeon/gpio.h b/arch/mips/include/asm/mach-cavium-octeon/gpio.h new file mode 100644 index 00000000000..34e9f7aabab --- /dev/null +++ b/arch/mips/include/asm/mach-cavium-octeon/gpio.h @@ -0,0 +1,21 @@ +#ifndef __ASM_MACH_CAVIUM_OCTEON_GPIO_H +#define __ASM_MACH_CAVIUM_OCTEON_GPIO_H + +#ifdef CONFIG_GPIOLIB +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep +#else +int gpio_request(unsigned gpio, const char *label); +void gpio_free(unsigned gpio); +int gpio_direction_input(unsigned gpio); +int gpio_direction_output(unsigned gpio, int value); +int gpio_get_value(unsigned gpio); +void gpio_set_value(unsigned gpio, int value); +#endif + +#include <asm-generic/gpio.h> + +#define gpio_to_irq __gpio_to_irq + +#endif /* __ASM_MACH_GENERIC_GPIO_H */ diff --git a/arch/mips/include/asm/mach-cavium-octeon/irq.h b/arch/mips/include/asm/mach-cavium-octeon/irq.h index 5b05f186e39..cceae32a073 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/irq.h +++ b/arch/mips/include/asm/mach-cavium-octeon/irq.h @@ -21,14 +21,11 @@ enum octeon_irq { OCTEON_IRQ_TIMER, /* sources in CIU_INTX_EN0 */ OCTEON_IRQ_WORKQ0, - OCTEON_IRQ_GPIO0 = OCTEON_IRQ_WORKQ0 + 16, - OCTEON_IRQ_WDOG0 = OCTEON_IRQ_GPIO0 + 16, - OCTEON_IRQ_WDOG15 = OCTEON_IRQ_WDOG0 + 15, - OCTEON_IRQ_MBOX0 = OCTEON_IRQ_WDOG0 + 16, + OCTEON_IRQ_WDOG0 = OCTEON_IRQ_WORKQ0 + 64, + OCTEON_IRQ_MBOX0 = OCTEON_IRQ_WDOG0 + 32, OCTEON_IRQ_MBOX1, - OCTEON_IRQ_UART0, - OCTEON_IRQ_UART1, - OCTEON_IRQ_UART2, + OCTEON_IRQ_MBOX2, + OCTEON_IRQ_MBOX3, OCTEON_IRQ_PCI_INT0, OCTEON_IRQ_PCI_INT1, OCTEON_IRQ_PCI_INT2, @@ -41,61 +38,23 @@ enum octeon_irq { OCTEON_IRQ_TWSI, OCTEON_IRQ_TWSI2, OCTEON_IRQ_RML, - OCTEON_IRQ_TRACE0, - OCTEON_IRQ_GMX_DRP0 = OCTEON_IRQ_TRACE0 + 4, - OCTEON_IRQ_IPD_DRP = OCTEON_IRQ_GMX_DRP0 + 5, - OCTEON_IRQ_KEY_ZERO, OCTEON_IRQ_TIMER0, OCTEON_IRQ_TIMER1, OCTEON_IRQ_TIMER2, OCTEON_IRQ_TIMER3, OCTEON_IRQ_USB0, OCTEON_IRQ_USB1, - OCTEON_IRQ_PCM, - OCTEON_IRQ_MPI, - OCTEON_IRQ_POWIQ, - OCTEON_IRQ_IPDPPTHR, - OCTEON_IRQ_MII0, - OCTEON_IRQ_MII1, - OCTEON_IRQ_BOOTDMA, - - OCTEON_IRQ_NAND, - OCTEON_IRQ_MIO, /* Summary of MIO_BOOT_ERR */ - OCTEON_IRQ_IOB, /* Summary of IOB_INT_SUM */ - OCTEON_IRQ_FPA, /* Summary of FPA_INT_SUM */ - OCTEON_IRQ_POW, /* Summary of POW_ECC_ERR */ - OCTEON_IRQ_L2C, /* Summary of L2C_INT_STAT */ - OCTEON_IRQ_IPD, /* Summary of IPD_INT_SUM */ - OCTEON_IRQ_PIP, /* Summary of PIP_INT_REG */ - OCTEON_IRQ_PKO, /* Summary of PKO_REG_ERROR */ - OCTEON_IRQ_ZIP, /* Summary of ZIP_ERROR */ - OCTEON_IRQ_TIM, /* Summary of TIM_REG_ERROR */ - OCTEON_IRQ_RAD, /* Summary of RAD_REG_ERROR */ - OCTEON_IRQ_KEY, /* Summary of KEY_INT_SUM */ - OCTEON_IRQ_DFA, /* Summary of DFA */ - OCTEON_IRQ_USBCTL, /* Summary of USBN0_INT_SUM */ - OCTEON_IRQ_SLI, /* Summary of SLI_INT_SUM */ - OCTEON_IRQ_DPI, /* Summary of DPI_INT_SUM */ - OCTEON_IRQ_AGX0, /* Summary of GMX0*+PCS0_INT*_REG */ - OCTEON_IRQ_AGL = OCTEON_IRQ_AGX0 + 5, - OCTEON_IRQ_PTP, - OCTEON_IRQ_PEM0, - OCTEON_IRQ_PEM1, - OCTEON_IRQ_SRIO0, - OCTEON_IRQ_SRIO1, - OCTEON_IRQ_LMC0, - OCTEON_IRQ_DFM = OCTEON_IRQ_LMC0 + 4, /* Summary of DFM */ - OCTEON_IRQ_RST, +#ifndef CONFIG_PCI_MSI + OCTEON_IRQ_LAST = 127 +#endif }; #ifdef CONFIG_PCI_MSI -/* 152 - 407 represent the MSI interrupts 0-255 */ -#define OCTEON_IRQ_MSI_BIT0 (OCTEON_IRQ_RST + 1) +/* 256 - 511 represent the MSI interrupts 0-255 */ +#define OCTEON_IRQ_MSI_BIT0 (256) -#define OCTEON_IRQ_MSI_LAST (OCTEON_IRQ_MSI_BIT0 + 255) -#define OCTEON_IRQ_LAST (OCTEON_IRQ_MSI_LAST + 1) -#else -#define OCTEON_IRQ_LAST (OCTEON_IRQ_RST + 1) +#define OCTEON_IRQ_MSI_LAST (OCTEON_IRQ_MSI_BIT0 + 255) +#define OCTEON_IRQ_LAST (OCTEON_IRQ_MSI_LAST + 1) #endif #endif diff --git a/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h b/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h index dedef7d2b01..1668ee57acb 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-cavium-octeon/kernel-entry-init.h @@ -16,7 +16,7 @@ #define CP0_PRID_OCTEON_PASS1 0x000d0000 #define CP0_PRID_OCTEON_CN30XX 0x000d0200 -.macro kernel_entry_setup +.macro kernel_entry_setup # Registers set by bootloader: # (only 32 bits set by bootloader, all addresses are physical # addresses, and need to have the appropriate memory region set @@ -28,21 +28,16 @@ .set push .set arch=octeon # Read the cavium mem control register - dmfc0 v0, CP0_CVMMEMCTL_REG + dmfc0 v0, CP0_CVMMEMCTL_REG # Clear the lower 6 bits, the CVMSEG size - dins v0, $0, 0, 6 - ori v0, CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE - dmtc0 v0, CP0_CVMMEMCTL_REG # Write the cavium mem control register - dmfc0 v0, CP0_CVMCTL_REG # Read the cavium control register -#ifdef CONFIG_CAVIUM_OCTEON_HW_FIX_UNALIGNED + dins v0, $0, 0, 6 + ori v0, CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE + dmtc0 v0, CP0_CVMMEMCTL_REG # Write the cavium mem control register + dmfc0 v0, CP0_CVMCTL_REG # Read the cavium control register # Disable unaligned load/store support but leave HW fixup enabled + # Needed for octeon specific memcpy or v0, v0, 0x5001 xor v0, v0, 0x1001 -#else - # Disable unaligned load/store and HW fixup support - or v0, v0, 0x5001 - xor v0, v0, 0x5001 -#endif # Read the processor ID register mfc0 v1, CP0_PRID_REG # Disable instruction prefetching (Octeon Pass1 errata) @@ -69,14 +64,14 @@ skip: and v0, v0, v1 ori v0, v0, (6 << 7) # Write the cavium control register - dmtc0 v0, CP0_CVMCTL_REG + dmtc0 v0, CP0_CVMCTL_REG sync # Flush dcache after config change - cache 9, 0($0) + cache 9, 0($0) # Get my core id - rdhwr v0, $0 + rdhwr v0, $0 # Jump the master to kernel_entry - bne a2, zero, octeon_main_processor + bne a2, zero, octeon_main_processor nop #ifdef CONFIG_SMP @@ -87,21 +82,21 @@ skip: # # This is the variable where the next core to boot os stored - PTR_LA t0, octeon_processor_boot + PTR_LA t0, octeon_processor_boot octeon_spin_wait_boot: # Get the core id of the next to be booted - LONG_L t1, (t0) + LONG_L t1, (t0) # Keep looping if it isn't me bne t1, v0, octeon_spin_wait_boot nop # Get my GP from the global variable - PTR_LA t0, octeon_processor_gp - LONG_L gp, (t0) + PTR_LA t0, octeon_processor_gp + LONG_L gp, (t0) # Get my SP from the global variable - PTR_LA t0, octeon_processor_sp - LONG_L sp, (t0) + PTR_LA t0, octeon_processor_sp + LONG_L sp, (t0) # Set the SP global variable to zero so the master knows we've started - LONG_S zero, (t0) + LONG_S zero, (t0) #ifdef __OCTEON__ syncw syncw @@ -130,7 +125,7 @@ octeon_main_processor: /* * Do SMP slave processor setup necessary before we can savely execute C code. */ - .macro smp_slave_setup + .macro smp_slave_setup .endm #endif /* __ASM_MACH_CAVIUM_OCTEON_KERNEL_ENTRY_H */ diff --git a/arch/mips/include/asm/mach-cavium-octeon/spaces.h b/arch/mips/include/asm/mach-cavium-octeon/spaces.h new file mode 100644 index 00000000000..daa91accf5a --- /dev/null +++ b/arch/mips/include/asm/mach-cavium-octeon/spaces.h @@ -0,0 +1,24 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2012 Cavium, Inc. + */ +#ifndef _ASM_MACH_CAVIUM_OCTEON_SPACES_H +#define _ASM_MACH_CAVIUM_OCTEON_SPACES_H + +#include <linux/const.h> + +#ifdef CONFIG_64BIT +/* They are all the same and some OCTEON II cores cannot handle 0xa8.. */ +#define CAC_BASE _AC(0x8000000000000000, UL) +#define UNCAC_BASE _AC(0x8000000000000000, UL) +#define IO_BASE _AC(0x8000000000000000, UL) + + +#endif /* CONFIG_64BIT */ + +#include <asm/mach-generic/spaces.h> + +#endif /* _ASM_MACH_CAVIUM_OCTEON_SPACES_H */ diff --git a/arch/mips/include/asm/mach-cavium-octeon/war.h b/arch/mips/include/asm/mach-cavium-octeon/war.h index c4712d7cc81..eb72b35cf04 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/war.h +++ b/arch/mips/include/asm/mach-cavium-octeon/war.h @@ -18,7 +18,6 @@ #define MIPS4K_ICACHE_REFILL_WAR 0 #define MIPS_CACHE_SYNC_WAR 0 #define TX49XX_ICACHE_INDEX_INV_WAR 0 -#define RM9000_CDEX_SMP_WAR 0 #define ICACHE_REFILLS_WORKAROUND_WAR 0 #define R10000_LLSC_WAR 0 #define MIPS34K_MISSED_ITLB_WAR 0 |