From 82a96f5790ac93a406be72ed8f308dd29ad7e6af Mon Sep 17 00:00:00 2001 From: Krzysztof Halasa Date: Tue, 1 Jan 2008 21:55:23 +0100 Subject: [ARM] 4713/3: Adds drivers for IXP4xx QMgr and NPE features This patch adds drivers for IXP4xx hardware Queue Manager and for Network Processor Engines. Requires patch #4712 (reading/writing CPU feature (aka fuse) bits). Posted to linux-arm-kernel on 2 Dec 2007 and revised. Signed-off-by: Krzysztof Halasa Signed-off-by: Russell King --- include/asm-arm/arch-ixp4xx/npe.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 include/asm-arm/arch-ixp4xx/npe.h (limited to 'include/asm-arm/arch-ixp4xx/npe.h') diff --git a/include/asm-arm/arch-ixp4xx/npe.h b/include/asm-arm/arch-ixp4xx/npe.h new file mode 100644 index 000000000000..37d0511689dc --- /dev/null +++ b/include/asm-arm/arch-ixp4xx/npe.h @@ -0,0 +1,39 @@ +#ifndef __IXP4XX_NPE_H +#define __IXP4XX_NPE_H + +#include + +extern const char *npe_names[]; + +struct npe_regs { + u32 exec_addr, exec_data, exec_status_cmd, exec_count; + u32 action_points[4]; + u32 watchpoint_fifo, watch_count; + u32 profile_count; + u32 messaging_status, messaging_control; + u32 mailbox_status, /*messaging_*/ in_out_fifo; +}; + +struct npe { + struct resource *mem_res; + struct npe_regs __iomem *regs; + u32 regs_phys; + int id; + int valid; +}; + + +static inline const char *npe_name(struct npe *npe) +{ + return npe_names[npe->id]; +} + +int npe_running(struct npe *npe); +int npe_send_message(struct npe *npe, const void *msg, const char *what); +int npe_recv_message(struct npe *npe, void *msg, const char *what); +int npe_send_recv_message(struct npe *npe, void *msg, const char *what); +int npe_load_firmware(struct npe *npe, const char *name, struct device *dev); +struct npe *npe_request(int id); +void npe_release(struct npe *npe); + +#endif /* __IXP4XX_NPE_H */ -- cgit v1.2.2