53 int xc_stop(struct xc *x)  in xc_stop()  argument
55 	writel(RPU_HOLD_PC, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS);  in xc_stop()
56 	writel(TPU_HOLD_PC, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS);  in xc_stop()
57 	writel(XPU_HOLD_PC, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS);  in xc_stop()
61 int xc_start(struct xc *x)  in xc_start()  argument
63 	writel(0, x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS);  in xc_start()
64 	writel(0, x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS);  in xc_start()
65 	writel(0, x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS);  in xc_start()
69 int xc_running(struct xc *x)  in xc_running()  argument
71 	return (readl(x->xmac_base + NETX_XMAC_RPU_HOLD_PC_OFS) & RPU_HOLD_PC)  in xc_running()
72 	    || (readl(x->xmac_base + NETX_XMAC_TPU_HOLD_PC_OFS) & TPU_HOLD_PC)  in xc_running()
73 	    || (readl(x->xpec_base + NETX_XPEC_XPU_HOLD_PC_OFS) & XPU_HOLD_PC) ?  in xc_running()
77 int xc_reset(struct xc *x)  in xc_reset()  argument
79 	writel(0, x->xpec_base + NETX_XPEC_PC_OFS);  in xc_reset()
83 static int xc_check_ptr(struct xc *x, unsigned long adr, unsigned int size)  in xc_check_ptr()  argument
85 	if (adr >= NETX_PA_XMAC(x->no) &&  in xc_check_ptr()
86 	    adr + size < NETX_PA_XMAC(x->no) + XMAC_MEM_SIZE)  in xc_check_ptr()
89 	if (adr >= NETX_PA_XPEC(x->no) &&  in xc_check_ptr()
90 	    adr + size < NETX_PA_XPEC(x->no) + XPEC_MEM_SIZE)  in xc_check_ptr()
93 	dev_err(x->dev, "Illegal pointer in firmware found. aborting\n");  in xc_check_ptr()
98 static int xc_patch(struct xc *x, const void *patch, int count)  in xc_patch()  argument
107 		if (xc_check_ptr(x, adr, 4) < 0)  in xc_patch()
115 int xc_request_firmware(struct xc *x)  in xc_request_firmware()  argument
126 	sprintf(name, "xc%d.bin", x->no);  in xc_request_firmware()
128 	ret = request_firmware(&fw, name, x->dev);  in xc_request_firmware()
131 		dev_err(x->dev, "request_firmware failed\n");  in xc_request_firmware()
138 			dev_err(x->dev,  in xc_request_firmware()
143 		dev_err(x->dev, "unrecognized firmware magic 0x%08x\n",  in xc_request_firmware()
149 	x->type = head->type;  in xc_request_firmware()
150 	x->version = head->version;  in xc_request_firmware()
160 		if (xc_check_ptr(x, dst, size))  in xc_request_firmware()
167 		ret = xc_patch(x, src, size);  in xc_request_firmware()
182 	struct xc *x = NULL;  in request_xc()  local
191 	x = kmalloc(sizeof (struct xc), GFP_KERNEL);  in request_xc()
192 	if (!x)  in request_xc()
207 	x->xpec_base = (void * __iomem)io_p2v(NETX_PA_XPEC(xcno));  in request_xc()
208 	x->xmac_base = (void * __iomem)io_p2v(NETX_PA_XMAC(xcno));  in request_xc()
209 	x->sram_base = ioremap(SRAM_INTERNAL_PHYS(xcno), SRAM_MEM_SIZE);  in request_xc()
210 	if (!x->sram_base)  in request_xc()
213 	x->irq = NETX_IRQ_XPEC(xcno);  in request_xc()
215 	x->no = xcno;  in request_xc()
216 	x->dev = dev;  in request_xc()
229 	kfree(x);  in request_xc()
230 	x = NULL;  in request_xc()
233 	return x;  in request_xc()
236 void free_xc(struct xc *x)  in free_xc()  argument
238 	int xcno = x->no;  in free_xc()
242 	iounmap(x->sram_base);  in free_xc()
246 	xc_in_use &= ~(1 << x->no);  in free_xc()
247 	kfree(x);  in free_xc()