diff options
| -rw-r--r-- | arch/powerpc/sysdev/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/cpm_common.c | 16 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/qe_lib/qe.c | 92 | ||||
| -rw-r--r-- | include/asm-powerpc/cpm.h | 1 | ||||
| -rw-r--r-- | include/asm-powerpc/qe.h | 36 |
5 files changed, 23 insertions, 123 deletions
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile index 2bfbb39380e..16a0ed28eb0 100644 --- a/arch/powerpc/sysdev/Makefile +++ b/arch/powerpc/sysdev/Makefile @@ -42,6 +42,7 @@ endif ifeq ($(ARCH),powerpc) obj-$(CONFIG_CPM) += cpm_common.o obj-$(CONFIG_CPM2) += cpm2.o cpm2_pic.o +obj-$(CONFIG_QUICC_ENGINE) += cpm_common.o obj-$(CONFIG_PPC_DCR) += dcr.o obj-$(CONFIG_8xx) += mpc8xx_pic.o cpm1.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c index cb7df2dce44..9b75d164bdf 100644 --- a/arch/powerpc/sysdev/cpm_common.c +++ b/arch/powerpc/sysdev/cpm_common.c @@ -85,9 +85,13 @@ int __init cpm_muram_init(void) np = of_find_compatible_node(NULL, NULL, "fsl,cpm-muram-data"); if (!np) { - printk(KERN_ERR "Cannot find CPM muram data node"); - ret = -ENODEV; - goto out; + /* try legacy bindings */ + np = of_find_node_by_name(NULL, "data-only"); + if (!np) { + printk(KERN_ERR "Cannot find CPM muram data node"); + ret = -ENODEV; + goto out; + } } muram_pbase = of_translate_address(np, zero); @@ -189,6 +193,12 @@ void __iomem *cpm_muram_addr(unsigned long offset) } EXPORT_SYMBOL(cpm_muram_addr); +unsigned long cpm_muram_offset(void __iomem *addr) +{ + return addr - (void __iomem *)muram_vbase; +} +EXPORT_SYMBOL(cpm_muram_offset); + /** * cpm_muram_dma - turn a muram virtual address into a DMA address * @offset: virtual address from cpm_muram_addr() to convert diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index cff550eec7e..28e05df952d 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -35,7 +35,6 @@ #include <asm/rheap.h> static void qe_snums_init(void); -static void qe_muram_init(void); static int qe_sdma_init(void); static DEFINE_SPINLOCK(qe_lock); @@ -325,97 +324,6 @@ static int qe_sdma_init(void) return 0; } -/* - * muram_alloc / muram_free bits. - */ -static DEFINE_SPINLOCK(qe_muram_lock); - -/* 16 blocks should be enough to satisfy all requests - * until the memory subsystem goes up... */ -static rh_block_t qe_boot_muram_rh_block[16]; -static rh_info_t qe_muram_info; - -static void qe_muram_init(void) -{ - struct device_node *np; - const u32 *address; - u64 size; - unsigned int flags; - - /* initialize the info header */ - rh_init(&qe_muram_info, 1, - sizeof(qe_boot_muram_rh_block) / - sizeof(qe_boot_muram_rh_block[0]), qe_boot_muram_rh_block); - - /* Attach the usable muram area */ - /* XXX: This is a subset of the available muram. It - * varies with the processor and the microcode patches activated. - */ - np = of_find_compatible_node(NULL, NULL, "fsl,qe-muram-data"); - if (!np) { - np = of_find_node_by_name(NULL, "data-only"); - if (!np) { - WARN_ON(1); - return; - } - } - - address = of_get_address(np, 0, &size, &flags); - WARN_ON(!address); - - of_node_put(np); - if (address) - rh_attach_region(&qe_muram_info, *address, (int)size); -} - -/* This function returns an index into the MURAM area. - */ -unsigned long qe_muram_alloc(int size, int align) -{ - unsigned long start; - unsigned long flags; - - spin_lock_irqsave(&qe_muram_lock, flags); - start = rh_alloc_align(&qe_muram_info, size, align, "QE"); - spin_unlock_irqrestore(&qe_muram_lock, flags); - - return start; -} -EXPORT_SYMBOL(qe_muram_alloc); - -int qe_muram_free(unsigned long offset) -{ - int ret; - unsigned long flags; - - spin_lock_irqsave(&qe_muram_lock, flags); - ret = rh_free(&qe_muram_info, offset); - spin_unlock_irqrestore(&qe_muram_lock, flags); - - return ret; -} -EXPORT_SYMBOL(qe_muram_free); - -/* not sure if this is ever needed */ -unsigned long qe_muram_alloc_fixed(unsigned long offset, int size) -{ - unsigned long start; - unsigned long flags; - - spin_lock_irqsave(&qe_muram_lock, flags); - start = rh_alloc_fixed(&qe_muram_info, offset, size, "commproc"); - spin_unlock_irqrestore(&qe_muram_lock, flags); - - return start; -} -EXPORT_SYMBOL(qe_muram_alloc_fixed); - -void qe_muram_dump(void) -{ - rh_dump(&qe_muram_info); -} -EXPORT_SYMBOL(qe_muram_dump); - /* The maximum number of RISCs we support */ #define MAX_QE_RISC 2 diff --git a/include/asm-powerpc/cpm.h b/include/asm-powerpc/cpm.h index ede38ffe466..63a55337c2d 100644 --- a/include/asm-powerpc/cpm.h +++ b/include/asm-powerpc/cpm.h @@ -96,6 +96,7 @@ 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); int cpm_command(u32 command, u8 opcode); diff --git a/include/asm-powerpc/qe.h b/include/asm-powerpc/qe.h index 01e3c70b93a..80807fd6a70 100644 --- a/include/asm-powerpc/qe.h +++ b/include/asm-powerpc/qe.h @@ -17,6 +17,7 @@ #ifdef __KERNEL__ #include <linux/spinlock.h> +#include <asm/cpm.h> #include <asm/immap_qe.h> #define QE_NUM_OF_SNUM 28 @@ -119,20 +120,13 @@ unsigned int qe_get_brg_clk(void); int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier); int qe_get_snum(void); void qe_put_snum(u8 snum); -unsigned long qe_muram_alloc(int size, int align); -int qe_muram_free(unsigned long offset); -unsigned long qe_muram_alloc_fixed(unsigned long offset, int size); -void qe_muram_dump(void); - -static inline void __iomem *qe_muram_addr(unsigned long offset) -{ - return (void __iomem *)&qe_immr->muram[offset]; -} - -static inline unsigned long qe_muram_offset(void __iomem *addr) -{ - return addr - (void __iomem *)qe_immr->muram; -} +/* we actually use cpm_muram implementation, define this for convenience */ +#define qe_muram_init cpm_muram_init +#define qe_muram_alloc cpm_muram_alloc +#define qe_muram_alloc_fixed cpm_muram_alloc_fixed +#define qe_muram_free cpm_muram_free +#define qe_muram_addr cpm_muram_addr +#define qe_muram_offset cpm_muram_offset /* Structure that defines QE firmware binary files. * @@ -199,20 +193,6 @@ struct qe_bd { #define BD_STATUS_MASK 0xffff0000 #define BD_LENGTH_MASK 0x0000ffff -#define BD_SC_EMPTY 0x8000 /* Receive is empty */ -#define BD_SC_READY 0x8000 /* Transmit is ready */ -#define BD_SC_WRAP 0x2000 /* Last buffer descriptor */ -#define BD_SC_INTRPT 0x1000 /* Interrupt on change */ -#define BD_SC_LAST 0x0800 /* Last buffer in frame */ -#define BD_SC_CM 0x0200 /* Continous mode */ -#define BD_SC_ID 0x0100 /* Rec'd too many idles */ -#define BD_SC_P 0x0100 /* xmt preamble */ -#define BD_SC_BR 0x0020 /* Break received */ -#define BD_SC_FR 0x0010 /* Framing error */ -#define BD_SC_PR 0x0008 /* Parity error */ -#define BD_SC_OV 0x0002 /* Overrun */ -#define BD_SC_CD 0x0001 /* ?? */ - /* Alignment */ #define QE_INTR_TABLE_ALIGN 16 /* ??? */ #define QE_ALIGNMENT_OF_BD 8 |