diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-12 14:27:24 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-12 14:27:24 -0800 |
commit | 09cea96caa59fabab3030c53bd698b9b568d959a (patch) | |
tree | a991cdc0c887fdcda37f4b751ee98d3db9559f4e /arch/powerpc/include/asm/cpm.h | |
parent | 6eb7365db6f3a4a9d8d9922bb0b800f9cbaad641 (diff) | |
parent | e090aa80321b64c3b793f3b047e31ecf1af9538d (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits)
powerpc: Fix usage of 64-bit instruction in 32-bit altivec code
MAINTAINERS: Add PowerPC patterns
powerpc/pseries: Track previous CPPR values to correctly EOI interrupts
powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP
powerpc: Make "intspec" pointers in irq_host->xlate() const
powerpc/8xx: DTLB Miss cleanup
powerpc/8xx: Remove DIRTY pte handling in DTLB Error.
powerpc/8xx: Start using dcbX instructions in various copy routines
powerpc/8xx: Restore _PAGE_WRITETHRU
powerpc/8xx: Add missing Guarded setting in DTLB Error.
powerpc/8xx: Fixup DAR from buggy dcbX instructions.
powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions.
powerpc/8xx: Update TLB asm so it behaves as linux mm expects.
powerpc/8xx: Invalidate non present TLBs
powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate
pseries/pseries: Add code to online/offline CPUs of a DLPAR node
powerpc: stop_this_cpu: remove the cpu from the online map.
powerpc/pseries: Add kernel based CPU DLPAR handling
sysfs/cpu: Add probe/release files
powerpc/pseries: Kernel DLPAR Infrastructure
...
Diffstat (limited to 'arch/powerpc/include/asm/cpm.h')
-rw-r--r-- | arch/powerpc/include/asm/cpm.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h index 24d79e3abd8..0835eb977ba 100644 --- a/arch/powerpc/include/asm/cpm.h +++ b/arch/powerpc/include/asm/cpm.h @@ -3,8 +3,47 @@ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/errno.h> #include <linux/of.h> +/* + * USB Controller pram common to QE and CPM. + */ +struct usb_ctlr { + u8 usb_usmod; + u8 usb_usadr; + u8 usb_uscom; + u8 res1[1]; + __be16 usb_usep[4]; + u8 res2[4]; + __be16 usb_usber; + u8 res3[2]; + __be16 usb_usbmr; + u8 res4[1]; + u8 usb_usbs; + /* Fields down below are QE-only */ + __be16 usb_ussft; + u8 res5[2]; + __be16 usb_usfrn; + u8 res6[0x22]; +} __attribute__ ((packed)); + +/* + * Function code bits, usually generic to devices. + */ +#ifdef CONFIG_CPM1 +#define CPMFCR_GBL ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_TC2 ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_DTB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#define CPMFCR_BDB ((u_char)0x00) /* Flag doesn't exist in CPM1 */ +#else +#define CPMFCR_GBL ((u_char)0x20) /* Set memory snooping */ +#define CPMFCR_TC2 ((u_char)0x04) /* Transfer code 2 value */ +#define CPMFCR_DTB ((u_char)0x02) /* Use local bus for data when set */ +#define CPMFCR_BDB ((u_char)0x01) /* Use local bus for BD when set */ +#endif +#define CPMFCR_EB ((u_char)0x10) /* Set big endian byte order */ + /* Opcodes common to CPM1 and CPM2 */ #define CPM_CR_INIT_TRX ((ushort)0x0000) @@ -93,13 +132,56 @@ typedef struct cpm_buf_desc { #define BD_I2C_START (0x0400) int cpm_muram_init(void); + +#if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) unsigned long cpm_muram_alloc(unsigned long size, unsigned long align); int cpm_muram_free(unsigned long offset); unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size); void __iomem *cpm_muram_addr(unsigned long offset); unsigned long cpm_muram_offset(void __iomem *addr); dma_addr_t cpm_muram_dma(void __iomem *addr); +#else +static inline unsigned long cpm_muram_alloc(unsigned long size, + unsigned long align) +{ + return -ENOSYS; +} + +static inline int cpm_muram_free(unsigned long offset) +{ + return -ENOSYS; +} + +static inline unsigned long cpm_muram_alloc_fixed(unsigned long offset, + unsigned long size) +{ + return -ENOSYS; +} + +static inline void __iomem *cpm_muram_addr(unsigned long offset) +{ + return NULL; +} + +static inline unsigned long cpm_muram_offset(void __iomem *addr) +{ + return -ENOSYS; +} + +static inline dma_addr_t cpm_muram_dma(void __iomem *addr) +{ + return 0; +} +#endif /* defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) */ + +#ifdef CONFIG_CPM int cpm_command(u32 command, u8 opcode); +#else +static inline int cpm_command(u32 command, u8 opcode) +{ + return -ENOSYS; +} +#endif /* CONFIG_CPM */ int cpm2_gpiochip_add32(struct device_node *np); |