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authorTejun Heo <tj@kernel.org>2010-01-05 09:17:33 +0900
committerTejun Heo <tj@kernel.org>2010-01-05 09:17:33 +0900
commit32032df6c2f6c9c6b2ada2ce42322231824f70c2 (patch)
treeb1ce838a37044bb38dfc128e2116ca35630e629a /arch/powerpc/include/asm/cpm.h
parent22b737f4c75197372d64afc6ed1bccd58c00e549 (diff)
parentc5974b835a909ff15c3b7e6cf6789b5eb919f419 (diff)
downloadop-kernel-dev-32032df6c2f6c9c6b2ada2ce42322231824f70c2.zip
op-kernel-dev-32032df6c2f6c9c6b2ada2ce42322231824f70c2.tar.gz
Merge branch 'master' into percpu
Conflicts: arch/powerpc/platforms/pseries/hvCall.S include/linux/percpu.h
Diffstat (limited to 'arch/powerpc/include/asm/cpm.h')
-rw-r--r--arch/powerpc/include/asm/cpm.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h
index 24d79e3..0835eb9 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);
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