Blackfin: first pass at debug mmr support

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

3 files changed, 1863 insertions, 1 deletions

diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug
index 2641731f24c..825d59e8ae4 100644
--- a/arch/blackfin/Kconfig.debug
+++ b/arch/blackfin/Kconfig.debug
@@ -32,7 +32,7 @@ config DEBUG_VERBOSE
 	  Most people should say N here.
 
 config DEBUG_MMRS
-	bool "Generate Blackfin MMR tree"
+	tristate "Generate Blackfin MMR tree"
 	select DEBUG_FS
 	help
 	  Create a tree of Blackfin MMRs via the debugfs tree.  If
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index ca5ccc77777..18ba6abd66d 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -37,3 +37,5 @@ obj-$(CONFIG_BFIN_PSEUDODBG_INSNS)   += pseudodbg.o
 # the kgdb test puts code into L2 and without linker
 # relaxation, we need to force long calls to/from it
 CFLAGS_kgdb_test.o := -mlong-calls -O0
+
+obj-$(CONFIG_DEBUG_MMRS)             += debug-mmrs.o
diff --git a/arch/blackfin/kernel/debug-mmrs.c b/arch/blackfin/kernel/debug-mmrs.c
new file mode 100644
index 00000000000..94b1d8a0256
--- /dev/null
+++ b/arch/blackfin/kernel/debug-mmrs.c
@@ -0,0 +1,1860 @@
+/*
+ * debugfs interface to core/system MMRs
+ *
+ * Copyright 2007-2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later
+ */
+
+#include <linux/debugfs.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <asm/blackfin.h>
+#include <asm/gpio.h>
+#include <asm/bfin_can.h>
+#include <asm/bfin_dma.h>
+#include <asm/bfin_ppi.h>
+#include <asm/bfin_serial.h>
+#include <asm/bfin5xx_spi.h>
+#include <asm/bfin_twi.h>
+
+/* Common code defines PORT_MUX on us, so redirect the MMR back locally */
+#ifdef BFIN_PORT_MUX
+#undef PORT_MUX
+#define PORT_MUX BFIN_PORT_MUX
+#endif
+
+#define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)addr)
+#define d(name, bits, addr)         _d(name, bits, addr, S_IRUSR|S_IWUSR)
+#define d_RO(name, bits, addr)      _d(name, bits, addr, S_IRUSR)
+#define d_WO(name, bits, addr)      _d(name, bits, addr, S_IWUSR)
+
+#define D_RO(name, bits) d_RO(#name, bits, name)
+#define D_WO(name, bits) d_WO(#name, bits, name)
+#define D32(name)        d(#name, 32, name)
+#define D16(name)        d(#name, 16, name)
+
+#define REGS_OFF(peri, mmr) offsetof(struct bfin_##peri##_regs, mmr)
+#define __REGS(peri, sname, rname) \
+	do { \
+		struct bfin_##peri##_regs r; \
+		void *addr = (void *)(base + REGS_OFF(peri, rname)); \
+		strcpy(_buf, sname); \
+		if (sizeof(r.rname) == 2) \
+			debugfs_create_x16(buf, S_IRUSR|S_IWUSR, parent, addr); \
+		else \
+			debugfs_create_x32(buf, S_IRUSR|S_IWUSR, parent, addr); \
+	} while (0)
+#define REGS_STR_PFX(buf, pfx, num) \
+	({ \
+		buf + (num >= 0 ? \
+			sprintf(buf, #pfx "%i_", num) : \
+			sprintf(buf, #pfx "_")); \
+	})
+#define REGS_STR_PFX_C(buf, pfx, num) \
+	({ \
+		buf + (num >= 0 ? \
+			sprintf(buf, #pfx "%c_", 'A' + num) : \
+			sprintf(buf, #pfx "_")); \
+	})
+
+/*
+ * Core registers (not memory mapped)
+ */
+extern u32 last_seqstat;
+
+static int debug_cclk_get(void *data, u64 *val)
+{
+	*val = get_cclk();
+	return 0;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_debug_cclk, debug_cclk_get, NULL, "0x%08llx\n");
+
+static int debug_sclk_get(void *data, u64 *val)
+{
+	*val = get_sclk();
+	return 0;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_debug_sclk, debug_sclk_get, NULL, "0x%08llx\n");
+
+#define DEFINE_SYSREG(sr, pre, post) \
+static int sysreg_##sr##_get(void *data, u64 *val) \
+{ \
+	unsigned long tmp; \
+	pre; \
+	__asm__ __volatile__("%0 = " #sr ";" : "=d"(tmp)); \
+	*val = tmp; \
+	return 0; \
+} \
+static int sysreg_##sr##_set(void *data, u64 val) \
+{ \
+	unsigned long tmp = val; \
+	__asm__ __volatile__(#sr " = %0;" : : "d"(tmp)); \
+	post; \
+	return 0; \
+} \
+DEFINE_SIMPLE_ATTRIBUTE(fops_sysreg_##sr, sysreg_##sr##_get, sysreg_##sr##_set, "0x%08llx\n")
+
+DEFINE_SYSREG(cycles, , );
+DEFINE_SYSREG(cycles2, __asm__ __volatile__("%0 = cycles;" : "=d"(tmp)), );
+DEFINE_SYSREG(emudat, , );
+DEFINE_SYSREG(seqstat, , );
+DEFINE_SYSREG(syscfg, , CSYNC());
+#define D_SYSREG(sr) debugfs_create_file(#sr, S_IRUSR|S_IWUSR, parent, NULL, &fops_sysreg_##sr)
+
+/*
+ * CAN
+ */
+#define CAN_OFF(mmr)  REGS_OFF(can, mmr)
+#define __CAN(uname, lname) __REGS(can, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_can(struct dentry *parent, unsigned long base, int num)
+{
+	static struct dentry *am, *mb;
+	int i, j;
+	char buf[32], *_buf = REGS_STR_PFX(buf, CAN, num);
+
+	if (!am) {
+		am = debugfs_create_dir("am", parent);
+		mb = debugfs_create_dir("mb", parent);
+	}
+
+	__CAN(MC1, mc1);
+	__CAN(MD1, md1);
+	__CAN(TRS1, trs1);
+	__CAN(TRR1, trr1);
+	__CAN(TA1, ta1);
+	__CAN(AA1, aa1);
+	__CAN(RMP1, rmp1);
+	__CAN(RML1, rml1);
+	__CAN(MBTIF1, mbtif1);
+	__CAN(MBRIF1, mbrif1);
+	__CAN(MBIM1, mbim1);
+	__CAN(RFH1, rfh1);
+	__CAN(OPSS1, opss1);
+
+	__CAN(MC2, mc2);
+	__CAN(MD2, md2);
+	__CAN(TRS2, trs2);
+	__CAN(TRR2, trr2);
+	__CAN(TA2, ta2);
+	__CAN(AA2, aa2);
+	__CAN(RMP2, rmp2);
+	__CAN(RML2, rml2);
+	__CAN(MBTIF2, mbtif2);
+	__CAN(MBRIF2, mbrif2);
+	__CAN(MBIM2, mbim2);
+	__CAN(RFH2, rfh2);
+	__CAN(OPSS2, opss2);
+
+	__CAN(CLOCK, clock);
+	__CAN(TIMING, timing);
+	__CAN(DEBUG, debug);
+	__CAN(STATUS, status);
+	__CAN(CEC, cec);
+	__CAN(GIS, gis);
+	__CAN(GIM, gim);
+	__CAN(GIF, gif);
+	__CAN(CONTROL, control);
+	__CAN(INTR, intr);
+	__CAN(VERSION, version);
+	__CAN(MBTD, mbtd);
+	__CAN(EWR, ewr);
+	__CAN(ESR, esr);
+	/*__CAN(UCREG, ucreg); no longer exists */
+	__CAN(UCCNT, uccnt);
+	__CAN(UCRC, ucrc);
+	__CAN(UCCNF, uccnf);
+	__CAN(VERSION2, version2);
+
+	for (i = 0; i < 32; ++i) {
+		sprintf(_buf, "AM%02iL", i);
+		debugfs_create_x16(buf, S_IRUSR|S_IWUSR, am,
+			(u16 *)(base + CAN_OFF(msk[i].aml)));
+		sprintf(_buf, "AM%02iH", i);
+		debugfs_create_x16(buf, S_IRUSR|S_IWUSR, am,
+			(u16 *)(base + CAN_OFF(msk[i].amh)));
+
+		for (j = 0; j < 3; ++j) {
+			sprintf(_buf, "MB%02i_DATA%i", i, j);
+			debugfs_create_x16(buf, S_IRUSR|S_IWUSR, mb,
+				(u16 *)(base + CAN_OFF(chl[i].data[j*2])));
+		}
+		sprintf(_buf, "MB%02i_LENGTH", i);
+		debugfs_create_x16(buf, S_IRUSR|S_IWUSR, mb,
+			(u16 *)(base + CAN_OFF(chl[i].dlc)));
+		sprintf(_buf, "MB%02i_TIMESTAMP", i);
+		debugfs_create_x16(buf, S_IRUSR|S_IWUSR, mb,
+			(u16 *)(base + CAN_OFF(chl[i].tsv)));
+		sprintf(_buf, "MB%02i_ID0", i);
+		debugfs_create_x16(buf, S_IRUSR|S_IWUSR, mb,
+			(u16 *)(base + CAN_OFF(chl[i].id0)));
+		sprintf(_buf, "MB%02i_ID1", i);
+		debugfs_create_x16(buf, S_IRUSR|S_IWUSR, mb,
+			(u16 *)(base + CAN_OFF(chl[i].id1)));
+	}
+}
+#define CAN(num) bfin_debug_mmrs_can(parent, CAN##num##_MC1, num)
+
+/*
+ * DMA
+ */
+#define __DMA(uname, lname) __REGS(dma, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_dma(struct dentry *parent, unsigned long base, int num, char mdma, const char *pfx)
+{
+	char buf[32], *_buf;
+
+	if (mdma)
+		_buf = buf + sprintf(buf, "%s_%c%i_", pfx, mdma, num);
+	else
+		_buf = buf + sprintf(buf, "%s%i_", pfx, num);
+
+	__DMA(NEXT_DESC_PTR, next_desc_ptr);
+	__DMA(START_ADDR, start_addr);
+	__DMA(CONFIG, config);
+	__DMA(X_COUNT, x_count);
+	__DMA(X_MODIFY, x_modify);
+	__DMA(Y_COUNT, y_count);
+	__DMA(Y_MODIFY, y_modify);
+	__DMA(CURR_DESC_PTR, curr_desc_ptr);
+	__DMA(CURR_ADDR, curr_addr);
+	__DMA(IRQ_STATUS, irq_status);
+	__DMA(PERIPHERAL_MAP, peripheral_map);
+	__DMA(CURR_X_COUNT, curr_x_count);
+	__DMA(CURR_Y_COUNT, curr_y_count);
+}
+#define _DMA(num, base, mdma, pfx) bfin_debug_mmrs_dma(parent, base, num, mdma, pfx "DMA")
+#define DMA(num)  _DMA(num, DMA##num##_NEXT_DESC_PTR, 0, "")
+#define _MDMA(num, x) \
+	do { \
+		_DMA(num, x##DMA_D##num##_CONFIG, 'D', #x); \
+		_DMA(num, x##DMA_S##num##_CONFIG, 'S', #x); \
+	} while (0)
+#define MDMA(num) _MDMA(num, M)
+#define IMDMA(num) _MDMA(num, IM)
+
+/*
+ * EPPI
+ */
+#define __EPPI(uname, lname) __REGS(eppi, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_eppi(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, EPPI, num);
+	__EPPI(STATUS, status);
+	__EPPI(HCOUNT, hcount);
+	__EPPI(HDELAY, hdelay);
+	__EPPI(VCOUNT, vcount);
+	__EPPI(VDELAY, vdelay);
+	__EPPI(FRAME, frame);
+	__EPPI(LINE, line);
+	__EPPI(CLKDIV, clkdiv);
+	__EPPI(CONTROL, control);
+	__EPPI(FS1W_HBL, fs1w_hbl);
+	__EPPI(FS1P_AVPL, fs1p_avpl);
+	__EPPI(FS2W_LVB, fs2w_lvb);
+	__EPPI(FS2P_LAVF, fs2p_lavf);
+	__EPPI(CLIP, clip);
+}
+#define EPPI(num) bfin_debug_mmrs_eppi(parent, EPPI##num##_STATUS, num)
+
+/*
+ * General Purpose Timers
+ */
+#define GPTIMER_OFF(mmr) (TIMER0_##mmr - TIMER0_CONFIG)
+#define __GPTIMER(name) \
+	do { \
+		strcpy(_buf, #name); \
+		debugfs_create_x16(buf, S_IRUSR|S_IWUSR, parent, (u16 *)(base + GPTIMER_OFF(name))); \
+	} while (0)
+static void __init __maybe_unused
+bfin_debug_mmrs_gptimer(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, TIMER, num);
+	__GPTIMER(CONFIG);
+	__GPTIMER(COUNTER);
+	__GPTIMER(PERIOD);
+	__GPTIMER(WIDTH);
+}
+#define GPTIMER(num) bfin_debug_mmrs_gptimer(parent, TIMER##num##_CONFIG, num)
+
+/*
+ * Handshake MDMA
+ */
+#define __HMDMA(uname, lname) __REGS(hmdma, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_hmdma(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, HMDMA, num);
+	__HMDMA(CONTROL, control);
+	__HMDMA(ECINIT, ecinit);
+	__HMDMA(BCINIT, bcinit);
+	__HMDMA(ECURGENT, ecurgent);
+	__HMDMA(ECOVERFLOW, ecoverflow);
+	__HMDMA(ECOUNT, ecount);
+	__HMDMA(BCOUNT, bcount);
+}
+#define HMDMA(num) bfin_debug_mmrs_hmdma(parent, HMDMA##num##_CONTROL, num)
+
+/*
+ * Port/GPIO
+ */
+#define bfin_gpio_regs gpio_port_t
+#define __PORT(uname, lname) __REGS(gpio, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_port(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf;
+#ifdef __ADSPBF54x__
+	_buf = REGS_STR_PFX_C(buf, PORT, num);
+	__PORT(FER, port_fer);
+	__PORT(SET, data_set);
+	__PORT(CLEAR, data_clear);
+	__PORT(DIR_SET, dir_set);
+	__PORT(DIR_CLEAR, dir_clear);
+	__PORT(INEN, inen);
+	__PORT(MUX, port_mux);
+#else
+	_buf = buf + sprintf(buf, "PORT%cIO_", num);
+	__PORT(CLEAR, data_clear);
+	__PORT(SET, data_set);
+	__PORT(TOGGLE, toggle);
+	__PORT(MASKA, maska);
+	__PORT(MASKA_CLEAR, maska_clear);
+	__PORT(MASKA_SET, maska_set);
+	__PORT(MASKA_TOGGLE, maska_toggle);
+	__PORT(MASKB, maskb);
+	__PORT(MASKB_CLEAR, maskb_clear);
+	__PORT(MASKB_SET, maskb_set);
+	__PORT(MASKB_TOGGLE, maskb_toggle);
+	__PORT(DIR, dir);
+	__PORT(POLAR, polar);
+	__PORT(EDGE, edge);
+	__PORT(BOTH, both);
+	__PORT(INEN, inen);
+#endif
+	_buf[-1] = '\0';
+	d(buf, 16, base + REGS_OFF(gpio, data));
+}
+#define PORT(base, num) bfin_debug_mmrs_port(parent, base, num)
+
+/*
+ * PPI
+ */
+#define __PPI(uname, lname) __REGS(ppi, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_ppi(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, PPI, num);
+	__PPI(CONTROL, control);
+	__PPI(STATUS, status);
+	__PPI(COUNT, count);
+	__PPI(DELAY, delay);
+	__PPI(FRAME, frame);
+}
+#define PPI(num) bfin_debug_mmrs_ppi(parent, PPI##num##_STATUS, num)
+
+/*
+ * SPI
+ */
+#define __SPI(uname, lname) __REGS(spi, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_spi(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, SPI, num);
+	__SPI(CTL, ctl);
+	__SPI(FLG, flg);
+	__SPI(STAT, stat);
+	__SPI(TDBR, tdbr);
+	__SPI(RDBR, rdbr);
+	__SPI(BAUD, baud);
+	__SPI(SHADOW, shadow);
+}
+#define SPI(num) bfin_debug_mmrs_spi(parent, SPI##num##_REGBASE, num)
+
+/*
+ * SPORT
+ */
+static inline int sport_width(void *mmr)
+{
+	unsigned long lmmr = (unsigned long)mmr;
+	if ((lmmr & 0xff) == 0x10)
+		/* SPORT#_TX has 0x10 offset -> SPORT#_TCR2 has 0x04 offset */
+		lmmr -= 0xc;
+	else
+		/* SPORT#_RX has 0x18 offset -> SPORT#_RCR2 has 0x24 offset */
+		lmmr += 0xc;
+	/* extract SLEN field from control register 2 and add 1 */
+	return (bfin_read16(lmmr) & 0x1f) + 1;
+}
+static int sport_set(void *mmr, u64 val)
+{
+	unsigned long flags;
+	local_irq_save(flags);
+	if (sport_width(mmr) <= 16)
+		bfin_write16(mmr, val);
+	else
+		bfin_write32(mmr, val);
+	local_irq_restore(flags);
+	return 0;
+}
+static int sport_get(void *mmr, u64 *val)
+{
+	unsigned long flags;
+	local_irq_save(flags);
+	if (sport_width(mmr) <= 16)
+		*val = bfin_read16(mmr);
+	else
+		*val = bfin_read32(mmr);
+	local_irq_restore(flags);
+	return 0;
+}
+DEFINE_SIMPLE_ATTRIBUTE(fops_sport, sport_get, sport_set, "0x%08llx\n");
+/*DEFINE_SIMPLE_ATTRIBUTE(fops_sport_ro, sport_get, NULL, "0x%08llx\n");*/
+DEFINE_SIMPLE_ATTRIBUTE(fops_sport_wo, NULL, sport_set, "0x%08llx\n");
+#define SPORT_OFF(mmr) (SPORT0_##mmr - SPORT0_TCR1)
+#define _D_SPORT(name, perms, fops) \
+	do { \
+		strcpy(_buf, #name); \
+		debugfs_create_file(buf, perms, parent, (void *)(base + SPORT_OFF(name)), fops); \
+	} while (0)
+#define __SPORT_RW(name) _D_SPORT(name, S_IRUSR|S_IWUSR, &fops_sport)
+#define __SPORT_RO(name) _D_SPORT(name, S_IRUSR, &fops_sport_ro)
+#define __SPORT_WO(name) _D_SPORT(name, S_IWUSR, &fops_sport_wo)
+#define __SPORT(name, bits) \
+	do { \
+		strcpy(_buf, #name); \
+		debugfs_create_x##bits(buf, S_IRUSR|S_IWUSR, parent, (u##bits *)(base + SPORT_OFF(name))); \
+	} while (0)
+static void __init __maybe_unused
+bfin_debug_mmrs_sport(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, SPORT, num);
+	__SPORT(CHNL, 16);
+	__SPORT(MCMC1, 16);
+	__SPORT(MCMC2, 16);
+	__SPORT(MRCS0, 32);
+	__SPORT(MRCS1, 32);
+	__SPORT(MRCS2, 32);
+	__SPORT(MRCS3, 32);
+	__SPORT(MTCS0, 32);
+	__SPORT(MTCS1, 32);
+	__SPORT(MTCS2, 32);
+	__SPORT(MTCS3, 32);
+	__SPORT(RCLKDIV, 16);
+	__SPORT(RCR1, 16);
+	__SPORT(RCR2, 16);
+	__SPORT(RFSDIV, 16);
+	__SPORT_RW(RX);
+	__SPORT(STAT, 16);
+	__SPORT(TCLKDIV, 16);
+	__SPORT(TCR1, 16);
+	__SPORT(TCR2, 16);
+	__SPORT(TFSDIV, 16);
+	__SPORT_WO(TX);
+}
+#define SPORT(num) bfin_debug_mmrs_sport(parent, SPORT##num##_TCR1, num)
+
+/*
+ * TWI
+ */
+#define __TWI(uname, lname) __REGS(twi, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_twi(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, TWI, num);
+	__TWI(CLKDIV, clkdiv);
+	__TWI(CONTROL, control);
+	__TWI(SLAVE_CTL, slave_ctl);
+	__TWI(SLAVE_STAT, slave_stat);
+	__TWI(SLAVE_ADDR, slave_addr);
+	__TWI(MASTER_CTL, master_ctl);
+	__TWI(MASTER_STAT, master_stat);
+	__TWI(MASTER_ADDR, master_addr);
+	__TWI(INT_STAT, int_stat);
+	__TWI(INT_MASK, int_mask);
+	__TWI(FIFO_CTL, fifo_ctl);
+	__TWI(FIFO_STAT, fifo_stat);
+	__TWI(XMT_DATA8, xmt_data8);
+	__TWI(XMT_DATA16, xmt_data16);
+	__TWI(RCV_DATA8, rcv_data8);
+	__TWI(RCV_DATA16, rcv_data16);
+}
+#define TWI(num) bfin_debug_mmrs_twi(parent, TWI##num##_CLKDIV, num)
+
+/*
+ * UART
+ */
+#define __UART(uname, lname) __REGS(uart, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_uart(struct dentry *parent, unsigned long base, int num)
+{
+	char buf[32], *_buf = REGS_STR_PFX(buf, UART, num);
+#ifdef BFIN_UART_BF54X_STYLE
+	__UART(DLL, dll);
+	__UART(DLH, dlh);
+	__UART(GCTL, gctl);
+	__UART(LCR, lcr);
+	__UART(MCR, mcr);
+	__UART(LSR, lsr);
+	__UART(MSR, msr);
+	__UART(SCR, scr);
+	__UART(IER_SET, ier_set);
+	__UART(IER_CLEAR, ier_clear);
+	__UART(THR, thr);
+	__UART(RBR, rbr);
+#else
+	__UART(DLL, dll);
+	__UART(THR, thr);
+	__UART(RBR, rbr);
+	__UART(DLH, dlh);
+	__UART(IER, ier);
+	__UART(IIR, iir);
+	__UART(LCR, lcr);
+	__UART(MCR, mcr);
+	__UART(LSR, lsr);
+	__UART(MSR, msr);
+	__UART(SCR, scr);
+	__UART(GCTL, gctl);
+#endif
+}
+#define UART(num) bfin_debug_mmrs_uart(parent, UART##num##_DLL, num)
+
+/*
+ * The actual debugfs generation
+ */
+static struct dentry *debug_mmrs_dentry;
+
+static int __init bfin_debug_mmrs_init(void)
+{
+	struct dentry *top, *parent;
+
+	pr_info("debug-mmrs: setting up Blackfin MMR debugfs\n");
+
+	top = debugfs_create_dir("blackfin", NULL);
+	if (top == NULL)
+		return -1;
+
+	parent = debugfs_create_dir("core_regs", top);
+	debugfs_create_file("cclk", S_IRUSR, parent, NULL, &fops_debug_cclk);
+	debugfs_create_file("sclk", S_IRUSR, parent, NULL, &fops_debug_sclk);
+	debugfs_create_x32("last_seqstat", S_IRUSR, parent, &last_seqstat);
+	D_SYSREG(cycles);
+	D_SYSREG(cycles2);
+	D_SYSREG(emudat);
+	D_SYSREG(seqstat);
+	D_SYSREG(syscfg);
+
+	/* Core MMRs */
+	parent = debugfs_create_dir("ctimer", top);
+	D32(TCNTL);
+	D32(TCOUNT);
+	D32(TPERIOD);
+	D32(TSCALE);
+
+	parent = debugfs_create_dir("cec", top);
+	D32(EVT0);
+	D32(EVT1);
+	D32(EVT2);
+	D32(EVT3);
+	D32(EVT4);
+	D32(EVT5);
+	D32(EVT6);
+	D32(EVT7);
+	D32(EVT8);
+	D32(EVT9);
+	D32(EVT10);
+	D32(EVT11);
+	D32(EVT12);
+	D32(EVT13);
+	D32(EVT14);
+	D32(EVT15);
+	D32(EVT_OVERRIDE);
+	D32(IMASK);
+	D32(IPEND);
+	D32(ILAT);
+	D32(IPRIO);
+
+	parent = debugfs_create_dir("debug", top);
+	D32(DBGSTAT);
+	D32(DSPID);
+
+	parent = debugfs_create_dir("mmu", top);
+	D32(SRAM_BASE_ADDRESS);
+	D32(DCPLB_ADDR0);
+	D32(DCPLB_ADDR10);
+	D32(DCPLB_ADDR11);
+	D32(DCPLB_ADDR12);
+	D32(DCPLB_ADDR13);
+	D32(DCPLB_ADDR14);
+	D32(DCPLB_ADDR15);
+	D32(DCPLB_ADDR1);
+	D32(DCPLB_ADDR2);
+	D32(DCPLB_ADDR3);
+	D32(DCPLB_ADDR4);
+	D32(DCPLB_ADDR5);
+	D32(DCPLB_ADDR6);
+	D32(DCPLB_ADDR7);
+	D32(DCPLB_ADDR8);
+	D32(DCPLB_ADDR9);
+	D32(DCPLB_DATA0);
+	D32(DCPLB_DATA10);
+	D32(DCPLB_DATA11);
+	D32(DCPLB_DATA12);
+	D32(DCPLB_DATA13);
+	D32(DCPLB_DATA14);
+	D32(DCPLB_DATA15);
+	D32(DCPLB_DATA1);
+	D32(DCPLB_DATA2);
+	D32(DCPLB_DATA3);
+	D32(DCPLB_DATA4);
+	D32(DCPLB_DATA5);
+	D32(DCPLB_DATA6);
+	D32(DCPLB_DATA7);
+	D32(DCPLB_DATA8);
+	D32(DCPLB_DATA9);
+	D32(DCPLB_FAULT_ADDR);
+	D32(DCPLB_STATUS);
+	D32(DMEM_CONTROL);
+	D32(DTEST_COMMAND);
+	D32(DTEST_DATA0);
+	D32(DTEST_DATA1);
+
+	D32(ICPLB_ADDR0);
+	D32(ICPLB_ADDR1);
+	D32(ICPLB_ADDR2);
+	D32(ICPLB_ADDR3);
+	D32(ICPLB_ADDR4);
+	D32(ICPLB_ADDR5);
+	D32(ICPLB_ADDR6);
+	D32(ICPLB_ADDR7);
+	D32(ICPLB_ADDR8);
+	D32(ICPLB_ADDR9);
+	D32(ICPLB_ADDR10);
+	D32(ICPLB_ADDR11);
+	D32(ICPLB_ADDR12);
+	D32(ICPLB_ADDR13);
+	D32(ICPLB_ADDR14);
+	D32(ICPLB_ADDR15);
+	D32(ICPLB_DATA0);
+	D32(ICPLB_DATA1);
+	D32(ICPLB_DATA2);
+	D32(ICPLB_DATA3);
+	D32(ICPLB_DATA4);
+	D32(ICPLB_DATA5);
+	D32(ICPLB_DATA6);
+	D32(ICPLB_DATA7);
+	D32(ICPLB_DATA8);
+	D32(ICPLB_DATA9);
+	D32(ICPLB_DATA10);
+	D32(ICPLB_DATA11);
+	D32(ICPLB_DATA12);
+	D32(ICPLB_DATA13);
+	D32(ICPLB_DATA14);
+	D32(ICPLB_DATA15);
+	D32(ICPLB_FAULT_ADDR);
+	D32(ICPLB_STATUS);
+	D32(IMEM_CONTROL);
+	if (!ANOMALY_05000481) {
+		D32(ITEST_COMMAND);
+		D32(ITEST_DATA0);
+		D32(ITEST_DATA1);
+	}
+
+	parent = debugfs_create_dir("perf", top);
+	D32(PFCNTR0);
+	D32(PFCNTR1);
+	D32(PFCTL);
+
+	parent = debugfs_create_dir("trace", top);
+	D32(TBUF);
+	D32(TBUFCTL);
+	D32(TBUFSTAT);
+
+	parent = debugfs_create_dir("watchpoint", top);
+	D32(WPIACTL);
+	D32(WPIA0);
+	D32(WPIA1);
+	D32(WPIA2);
+	D32(WPIA3);
+	D32(WPIA4);
+	D32(WPIA5);
+	D32(WPIACNT0);
+	D32(WPIACNT1);
+	D32(WPIACNT2);
+	D32(WPIACNT3);
+	D32(WPIACNT4);
+	D32(WPIACNT5);
+	D32(WPDACTL);
+	D32(WPDA0);
+	D32(WPDA1);
+	D32(WPDACNT0);
+	D32(WPDACNT1);
+	D32(WPSTAT);
+
+	/* System MMRs */
+#ifdef ATAPI_CONTROL
+	parent = debugfs_create_dir("atapi", top);
+	D16(ATAPI_CONTROL);
+	D16(ATAPI_DEV_ADDR);
+	D16(ATAPI_DEV_RXBUF);
+	D16(ATAPI_DEV_TXBUF);
+	D16(ATAPI_DMA_TFRCNT);
+	D16(ATAPI_INT_MASK);
+	D16(ATAPI_INT_STATUS);
+	D16(ATAPI_LINE_STATUS);
+	D16(ATAPI_MULTI_TIM_0);
+	D16(ATAPI_MULTI_TIM_1);
+	D16(ATAPI_MULTI_TIM_2);
+	D16(ATAPI_PIO_TFRCNT);
+	D16(ATAPI_PIO_TIM_0);
+	D16(ATAPI_PIO_TIM_1);
+	D16(ATAPI_REG_TIM_0);
+	D16(ATAPI_SM_STATE);
+	D16(ATAPI_STATUS);
+	D16(ATAPI_TERMINATE);
+	D16(ATAPI_UDMAOUT_TFRCNT);
+	D16(ATAPI_ULTRA_TIM_0);
+	D16(ATAPI_ULTRA_TIM_1);
+	D16(ATAPI_ULTRA_TIM_2);
+	D16(ATAPI_ULTRA_TIM_3);
+	D16(ATAPI_UMAIN_TFRCNT);
+	D16(ATAPI_XFER_LEN);
+#endif
+
+#if defined(CAN_MC1) || defined(CAN0_MC1) || defined(CAN1_MC1)
+	parent = debugfs_create_dir("can", top);
+# ifdef CAN_MC1
+	bfin_debug_mmrs_can(parent, CAN_MC1, -1);
+# endif
+# ifdef CAN0_MC1
+	CAN(0);
+# endif
+# ifdef CAN1_MC1
+	CAN(1);
+# endif
+#endif
+
+#ifdef CNT_COMMAND
+	parent = debugfs_create_dir("counter", top);
+	D16(CNT_COMMAND);
+	D16(CNT_CONFIG);
+	D32(CNT_COUNTER);
+	D16(CNT_DEBOUNCE);
+	D16(CNT_IMASK);
+	D32(CNT_MAX);
+	D32(CNT_MIN);
+	D16(CNT_STATUS);
+#endif
+
+	parent = debugfs_create_dir("dmac", top);
+#ifdef DMA_TC_CNT
+	D16(DMAC_TC_CNT);
+	D16(DMAC_TC_PER);
+#endif
+#ifdef DMAC0_TC_CNT
+	D16(DMAC0_TC_CNT);
+	D16(DMAC0_TC_PER);
+#endif
+#ifdef DMAC1_TC_CNT
+	D16(DMAC1_TC_CNT);
+	D16(DMAC1_TC_PER);
+#endif
+#ifdef DMAC1_PERIMUX
+	D16(DMAC1_PERIMUX);
+#endif
+
+#ifdef __ADSPBF561__
+	/* XXX: should rewrite the MMR map */
+# define DMA0_NEXT_DESC_PTR DMA2_0_NEXT_DESC_PTR
+# define DMA1_NEXT_DESC_PTR DMA2_1_NEXT_DESC_PTR
+# define DMA2_NEXT_DESC_PTR DMA2_2_NEXT_DESC_PTR
+# define DMA3_NEXT_DESC_PTR DMA2_3_NEXT_DESC_PTR
+# define DMA4_NEXT_DESC_PTR DMA2_4_NEXT_DESC_PTR
+# define DMA5_NEXT_DESC_PTR DMA2_5_NEXT_DESC_PTR
+# define DMA6_NEXT_DESC_PTR DMA2_6_NEXT_DESC_PTR
+# define DMA7_NEXT_DESC_PTR DMA2_7_NEXT_DESC_PTR
+# define DMA8_NEXT_DESC_PTR DMA2_8_NEXT_DESC_PTR
+# define DMA9_NEXT_DESC_PTR DMA2_9_NEXT_DESC_PTR
+# define DMA10_NEXT_DESC_PTR DMA2_10_NEXT_DESC_PTR
+# define DMA11_NEXT_DESC_PTR DMA2_11_NEXT_DESC_PTR
+# define DMA12_NEXT_DESC_PTR DMA1_0_NEXT_DESC_PTR
+# define DMA13_NEXT_DESC_PTR DMA1_1_NEXT_DESC_PTR
+# define DMA14_NEXT_DESC_PTR DMA1_2_NEXT_DESC_PTR
+# define DMA15_NEXT_DESC_PTR DMA1_3_NEXT_DESC_PTR
+# define DMA16_NEXT_DESC_PTR DMA1_4_NEXT_DESC_PTR
+# define DMA17_NEXT_DESC_PTR DMA1_5_NEXT_DESC_PTR
+# define DMA18_NEXT_DESC_PTR DMA1_6_NEXT_DESC_PTR
+# define DMA19_NEXT_DESC_PTR DMA1_7_NEXT_DESC_PTR
+# define DMA20_NEXT_DESC_PTR DMA1_8_NEXT_DESC_PTR
+# define DMA21_NEXT_DESC_PTR DMA1_9_NEXT_DESC_PTR
+# define DMA22_NEXT_DESC_PTR DMA1_10_NEXT_DESC_PTR
+# define DMA23_NEXT_DESC_PTR DMA1_11_NEXT_DESC_PTR
+#endif
+	parent = debugfs_create_dir("dma", top);
+	DMA(0);
+	DMA(1);
+	DMA(1);
+	DMA(2);
+	DMA(3);
+	DMA(4);
+	DMA(5);
+	DMA(6);
+	DMA(7);
+#ifdef DMA8_NEXT_DESC_PTR
+	DMA(8);
+	DMA(9);
+	DMA(10);
+	DMA(11);
+#endif
+#ifdef DMA12_NEXT_DESC_PTR
+	DMA(12);
+	DMA(13);
+	DMA(14);
+	DMA(15);
+	DMA(16);
+	DMA(17);
+	DMA(18);
+	DMA(19);
+#endif
+#ifdef DMA20_NEXT_DESC_PTR
+	DMA(20);
+	DMA(21);
+	DMA(22);
+	DMA(23);
+#endif
+
+	parent = debugfs_create_dir("ebiu_amc", top);
+	D32(EBIU_AMBCTL0);
+	D32(EBIU_AMBCTL1);
+	D16(EBIU_AMGCTL);
+#ifdef EBIU_MBSCTL
+	D16(EBIU_MBSCTL);
+	D32(EBIU_ARBSTAT);
+	D32(EBIU_MODE);
+	D16(EBIU_FCTL);
+#endif
+
+#ifdef EBIU_SDGCTL
+	parent = debugfs_create_dir("ebiu_sdram", top);
+# ifdef __ADSPBF561__
+	D32(EBIU_SDBCTL);
+# else
+	D16(EBIU_SDBCTL);
+# endif
+	D32(EBIU_SDGCTL);
+	D16(EBIU_SDRRC);
+	D16(EBIU_SDSTAT);
+#endif
+
+#ifdef EBIU_DDRACCT
+	parent = debugfs_create_dir("ebiu_ddr", top);
+	D32(EBIU_DDRACCT);
+	D32(EBIU_DDRARCT);
+	D32(EBIU_DDRBRC0);
+	D32(EBIU_DDRBRC1);
+	D32(EBIU_DDRBRC2);
+	D32(EBIU_DDRBRC3);
+	D32(EBIU_DDRBRC4);
+	D32(EBIU_DDRBRC5);
+	D32(EBIU_DDRBRC6);
+	D32(EBIU_DDRBRC7);
+	D32(EBIU_DDRBWC0);
+	D32(EBIU_DDRBWC1);
+	D32(EBIU_DDRBWC2);
+	D32(EBIU_DDRBWC3);
+	D32(EBIU_DDRBWC4);
+	D32(EBIU_DDRBWC5);
+	D32(EBIU_DDRBWC6);
+	D32(EBIU_DDRBWC7);
+	D32(EBIU_DDRCTL0);
+	D32(EBIU_DDRCTL1);
+	D32(EBIU_DDRCTL2);
+	D32(EBIU_DDRCTL3);
+	D32(EBIU_DDRGC0);
+	D32(EBIU_DDRGC1);
+	D32(EBIU_DDRGC2);
+	D32(EBIU_DDRGC3);
+	D32(EBIU_DDRMCCL);
+	D32(EBIU_DDRMCEN);
+	D32(EBIU_DDRQUE);
+	D32(EBIU_DDRTACT);
+	D32(EBIU_ERRADD);
+	D16(EBIU_ERRMST);
+	D16(EBIU_RSTCTL);
+#endif
+
+#ifdef EMAC_ADDRHI
+	parent = debugfs_create_dir("emac", top);
+	D32(EMAC_ADDRHI);
+	D32(EMAC_ADDRLO);
+	D32(EMAC_FLC);
+	D32(EMAC_HASHHI);
+	D32(EMAC_HASHLO);
+	D32(EMAC_MMC_CTL);
+	D32(EMAC_MMC_RIRQE);
+	D32(EMAC_MMC_RIRQS);
+	D32(EMAC_MMC_TIRQE);
+	D32(EMAC_MMC_TIRQS);
+	D32(EMAC_OPMODE);
+	D32(EMAC_RXC_ALIGN);
+	D32(EMAC_RXC_ALLFRM);
+	D32(EMAC_RXC_ALLOCT);
+	D32(EMAC_RXC_BROAD);
+	D32(EMAC_RXC_DMAOVF);
+	D32(EMAC_RXC_EQ64);
+	D32(EMAC_RXC_FCS);
+	D32(EMAC_RXC_GE1024);
+	D32(EMAC_RXC_LNERRI);
+	D32(EMAC_RXC_LNERRO);
+	D32(EMAC_RXC_LONG);
+	D32(EMAC_RXC_LT1024);
+	D32(EMAC_RXC_LT128);
+	D32(EMAC_RXC_LT256);
+	D32(EMAC_RXC_LT512);
+	D32(EMAC_RXC_MACCTL);
+	D32(EMAC_RXC_MULTI);
+	D32(EMAC_RXC_OCTET);
+	D32(EMAC_RXC_OK);
+	D32(EMAC_RXC_OPCODE);
+	D32(EMAC_RXC_PAUSE);
+	D32(EMAC_RXC_SHORT);
+	D32(EMAC_RXC_TYPED);
+	D32(EMAC_RXC_UNICST);
+	D32(EMAC_RX_IRQE);
+	D32(EMAC_RX_STAT);
+	D32(EMAC_RX_STKY);
+	D32(EMAC_STAADD);
+	D32(EMAC_STADAT);
+	D32(EMAC_SYSCTL);
+	D32(EMAC_SYSTAT);
+	D32(EMAC_TXC_1COL);
+	D32(EMAC_TXC_ABORT);
+	D32(EMAC_TXC_ALLFRM);
+	D32(EMAC_TXC_ALLOCT);
+	D32(EMAC_TXC_BROAD);
+	D32(EMAC_TXC_CRSERR);
+	D32(EMAC_TXC_DEFER);
+	D32(EMAC_TXC_DMAUND);
+	D32(EMAC_TXC_EQ64);
+	D32(EMAC_TXC_GE1024);
+	D32(EMAC_TXC_GT1COL);
+	D32(EMAC_TXC_LATECL);
+	D32(EMAC_TXC_LT1024);
+	D32(EMAC_TXC_LT128);
+	D32(EMAC_TXC_LT256);
+	D32(EMAC_TXC_LT512);
+	D32(EMAC_TXC_MACCTL);
+	D32(EMAC_TXC_MULTI);
+	D32(EMAC_TXC_OCTET);
+	D32(EMAC_TXC_OK);
+	D32(EMAC_TXC_UNICST);
+	D32(EMAC_TXC_XS_COL);
+	D32(EMAC_TXC_XS_DFR);
+	D32(EMAC_TX_IRQE);
+	D32(EMAC_TX_STAT);
+	D32(EMAC_TX_STKY);
+	D32(EMAC_VLAN1);
+	D32(EMAC_VLAN2);
+	D32(EMAC_WKUP_CTL);
+	D32(EMAC_WKUP_FFCMD);
+	D32(EMAC_WKUP_FFCRC0);
+	D32(EMAC_WKUP_FFCRC1);
+	D32(EMAC_WKUP_FFMSK0);
+	D32(EMAC_WKUP_FFMSK1);
+	D32(EMAC_WKUP_FFMSK2);
+	D32(EMAC_WKUP_FFMSK3);
+	D32(EMAC_WKUP_FFOFF);
+# ifdef EMAC_PTP_ACCR
+	D32(EMAC_PTP_ACCR);
+	D32(EMAC_PTP_ADDEND);
+	D32(EMAC_PTP_ALARMHI);
+	D32(EMAC_PTP_ALARMLO);
+	D16(EMAC_PTP_CTL);
+	D32(EMAC_PTP_FOFF);
+	D32(EMAC_PTP_FV1);
+	D32(EMAC_PTP_FV2);
+	D32(EMAC_PTP_FV3);
+	D16(EMAC_PTP_ID_OFF);
+	D32(EMAC_PTP_ID_SNAP);
+	D16(EMAC_PTP_IE);
+	D16(EMAC_PTP_ISTAT);
+	D32(EMAC_PTP_OFFSET);
+	D32(EMAC_PTP_PPS_PERIOD);
+	D32(EMAC_PTP_PPS_STARTHI);
+	D32(EMAC_PTP_PPS_STARTLO);
+	D32(EMAC_PTP_RXSNAPHI);
+	D32(EMAC_PTP_RXSNAPLO);
+	D32(EMAC_PTP_TIMEHI);
+	D32(EMAC_PTP_TIMELO);
+	D32(EMAC_PTP_TXSNAPHI);
+	D32(EMAC_PTP_TXSNAPLO);
+# endif
+#endif
+
+#if defined(EPPI0_STATUS) || defined(EPPI1_STATUS) || defined(EPPI2_STATUS)
+	parent = debugfs_create_dir("eppi", top);
+# ifdef EPPI0_STATUS
+	EPPI(0);
+# endif
+# ifdef EPPI1_STATUS
+	EPPI(1);
+# endif
+# ifdef EPPI2_STATUS
+	EPPI(2);
+# endif
+#endif
+
+	parent = debugfs_create_dir("gptimer", top);
+#ifdef TIMER_DISABLE
+	D16(TIMER_DISABLE);
+	D16(TIMER_ENABLE);
+	D32(TIMER_STATUS);
+#endif
+#ifdef TIMER_DISABLE0
+	D16(TIMER_DISABLE0);
+	D16(TIMER_ENABLE0);
+	D32(TIMER_STATUS0);
+#endif
+#ifdef TIMER_DISABLE1
+	D16(TIMER_DISABLE1);
+	D16(TIMER_ENABLE1);
+	D32(TIMER_STATUS1);
+#endif
+	/* XXX: Should convert BF561 MMR names */
+#ifdef TMRS4_DISABLE
+	D16(TMRS4_DISABLE);
+	D16(TMRS4_ENABLE);
+	D32(TMRS4_STATUS);
+	D16(TMRS8_DISABLE);
+	D16(TMRS8_ENABLE);
+	D32(TMRS8_STATUS);
+#endif
+	GPTIMER(0);
+	GPTIMER(1);
+	GPTIMER(2);
+#ifdef TIMER3_CONFIG
+	GPTIMER(3);
+	GPTIMER(4);
+	GPTIMER(5);
+	GPTIMER(6);
+	GPTIMER(7);
+#endif
+#ifdef TIMER8_CONFIG
+	GPTIMER(8);
+	GPTIMER(9);
+	GPTIMER(10);
+#endif
+#ifdef TIMER11_CONFIG
+	GPTIMER(11);
+#endif
+
+#ifdef HMDMA0_CONTROL
+	parent = debugfs_create_dir("hmdma", top);
+	HMDMA(0);
+	HMDMA(1);
+#endif
+
+#ifdef HOST_CONTROL
+	parent = debugfs_create_dir("hostdp", top);
+	D16(HOST_CONTROL);
+	D16(HOST_STATUS);
+	D16(HOST_TIMEOUT);
+#endif
+
+#ifdef IMDMA_S0_CONFIG
+	parent = debugfs_create_dir("imdma", top);
+	IMDMA(0);
+	IMDMA(1);
+#endif
+
+#ifdef KPAD_CTL
+	parent = debugfs_create_dir("keypad", top);
+	D16(KPAD_CTL);
+	D16(KPAD_PRESCALE);
+	D16(KPAD_MSEL);
+	D16(KPAD_ROWCOL);
+	D16(KPAD_STAT);
+	D16(KPAD_SOFTEVAL);
+#endif
+
+	parent = debugfs_create_dir("mdma", top);
+	MDMA(0);
+	MDMA(1);
+#ifdef MDMA_D2_CONFIG
+	MDMA(2);
+	MDMA(3);
+#endif
+
+#ifdef MXVR_CONFIG
+	parent = debugfs_create_dir("mxvr", top);
+	D16(MXVR_CONFIG);
+# ifdef MXVR_PLL_CTL_0
+	D32(MXVR_PLL_CTL_0);
+# endif
+	D32(MXVR_STATE_0);
+	D32(MXVR_STATE_1);
+	D32(MXVR_INT_STAT_0);
+	D32(MXVR_INT_STAT_1);
+	D32(MXVR_INT_EN_0);
+	D32(MXVR_INT_EN_1);
+	D16(MXVR_POSITION);
+	D16(MXVR_MAX_POSITION);
+	D16(MXVR_DELAY);
+	D16(MXVR_MAX_DELAY);
+	D32(MXVR_LADDR);
+	D16(MXVR_GADDR);
+	D32(MXVR_AADDR);
+	D32(MXVR_ALLOC_0);
+	D32(MXVR_ALLOC_1);
+	D32(MXVR_ALLOC_2);
+	D32(MXVR_ALLOC_3);
+	D32(MXVR_ALLOC_4);
+	D32(MXVR_ALLOC_5);
+	D32(MXVR_ALLOC_6);
+	D32(MXVR_ALLOC_7);
+	D32(MXVR_ALLOC_8);
+	D32(MXVR_ALLOC_9);
+	D32(MXVR_ALLOC_10);
+	D32(MXVR_ALLOC_11);
+	D32(MXVR_ALLOC_12);
+	D32(MXVR_ALLOC_13);
+	D32(MXVR_ALLOC_14);
+	D32(MXVR_SYNC_LCHAN_0);
+	D32(MXVR_SYNC_LCHAN_1);
+	D32(MXVR_SYNC_LCHAN_2);
+	D32(MXVR_SYNC_LCHAN_3);
+	D32(MXVR_SYNC_LCHAN_4);
+	D32(MXVR_SYNC_LCHAN_5);
+	D32(MXVR_SYNC_LCHAN_6);
+	D32(MXVR_SYNC_LCHAN_7);
+	D32(MXVR_DMA0_CONFIG);
+	D32(MXVR_DMA0_START_ADDR);
+	D16(MXVR_DMA0_COUNT);
+	D32(MXVR_DMA0_CURR_ADDR);
+	D16(MXVR_DMA0_CURR_COUNT);
+	D32(MXVR_DMA1_CONFIG);
+	D32(MXVR_DMA1_START_ADDR);
+	D16(MXVR_DMA1_COUNT);
+	D32(MXVR_DMA1_CURR_ADDR);
+	D16(MXVR_DMA1_CURR_COUNT);
+	D32(MXVR_DMA2_CONFIG);
+	D32(MXVR_DMA2_START_ADDR);
+	D16(MXVR_DMA2_COUNT);
+	D32(MXVR_DMA2_CURR_ADDR);
+	D16(MXVR_DMA2_CURR_COUNT);
+	D32(MXVR_DMA3_CONFIG);
+	D32(MXVR_DMA3_START_ADDR);
+	D16(MXVR_DMA3_COUNT);
+	D32(MXVR_DMA3_CURR_ADDR);
+	D16(MXVR_DMA3_CURR_COUNT);
+	D32(MXVR_DMA4_CONFIG);
+	D32(MXVR_DMA4_START_ADDR);
+	D16(MXVR_DMA4_COUNT);
+	D32(MXVR_DMA4_CURR_ADDR);
+	D16(MXVR_DMA4_CURR_COUNT);
+	D32(MXVR_DMA5_CONFIG);
+	D32(MXVR_DMA5_START_ADDR);
+	D16(MXVR_DMA5_COUNT);
+	D32(MXVR_DMA5_CURR_ADDR);
+	D16(MXVR_DMA5_CURR_COUNT);
+	D32(MXVR_DMA6_CONFIG);
+	D32(MXVR_DMA6_START_ADDR);
+	D16(MXVR_DMA6_COUNT);
+	D32(MXVR_DMA6_CURR_ADDR);
+	D16(MXVR_DMA6_CURR_COUNT);
+	D32(MXVR_DMA7_CONFIG);
+	D32(MXVR_DMA7_START_ADDR);
+	D16(MXVR_DMA7_COUNT);
+	D32(MXVR_DMA7_CURR_ADDR);
+	D16(MXVR_DMA7_CURR_COUNT);
+	D16(MXVR_AP_CTL);
+	D32(MXVR_APRB_START_ADDR);
+	D32(MXVR_APRB_CURR_ADDR);
+	D32(MXVR_APTB_START_ADDR);
+	D32(MXVR_APTB_CURR_ADDR);
+	D32(MXVR_CM_CTL);
+	D32(MXVR_CMRB_START_ADDR);
+	D32(MXVR_CMRB_CURR_ADDR);
+	D32(MXVR_CMTB_START_ADDR);
+	D32(MXVR_CMTB_CURR_ADDR);
+	D32(MXVR_RRDB_START_ADDR);
+	D32(MXVR_RRDB_CURR_ADDR);
+	D32(MXVR_PAT_DATA_0);
+	D32(MXVR_PAT_EN_0);
+	D32(MXVR_PAT_DATA_1);
+	D32(MXVR_PAT_EN_1);
+	D16(MXVR_FRAME_CNT_0);
+	D16(MXVR_FRAME_CNT_1);
+	D32(MXVR_ROUTING_0);
+	D32(MXVR_ROUTING_1);
+	D32(MXVR_ROUTING_2);
+	D32(MXVR_ROUTING_3);
+	D32(MXVR_ROUTING_4);
+	D32(MXVR_ROUTING_5);
+	D32(MXVR_ROUTING_6);
+	D32(MXVR_ROUTING_7);
+	D32(MXVR_ROUTING_8);
+	D32(MXVR_ROUTING_9);
+	D32(MXVR_ROUTING_10);
+	D32(MXVR_ROUTING_11);
+	D32(MXVR_ROUTING_12);
+	D32(MXVR_ROUTING_13);
+	D32(MXVR_ROUTING_14);
+# ifdef MXVR_PLL_CTL_1
+	D32(MXVR_PLL_CTL_1);
+# endif
+	D16(MXVR_BLOCK_CNT);
+# ifdef MXVR_CLK_CTL
+	D32(MXVR_CLK_CTL);
+# endif
+# ifdef MXVR_CDRPLL_CTL
+	D32(MXVR_CDRPLL_CTL);
+# endif
+# ifdef MXVR_FMPLL_CTL
+	D32(MXVR_FMPLL_CTL);
+# endif
+# ifdef MXVR_PIN_CTL
+	D16(MXVR_PIN_CTL);
+# endif
+# ifdef MXVR_SCLK_CNT
+	D16(MXVR_SCLK_CNT);
+# endif
+#endif
+
+#ifdef NFC_ADDR
+	parent = debugfs_create_dir("nfc", top);
+	D_WO(NFC_ADDR, 16);
+	D_WO(NFC_CMD, 16);
+	D_RO(NFC_COUNT, 16);
+	D16(NFC_CTL);
+	D_WO(NFC_DATA_RD, 16);
+	D_WO(NFC_DATA_WR, 16);
+	D_RO(NFC_ECC0, 16);
+	D_RO(NFC_ECC1, 16);
+	D_RO(NFC_ECC2, 16);
+	D_RO(NFC_ECC3, 16);
+	D16(NFC_IRQMASK);
+	D16(NFC_IRQSTAT);
+	D_WO(NFC_PGCTL, 16);
+	D_RO(NFC_READ, 16);
+	D16(NFC_RST);
+	D_RO(NFC_STAT, 16);
+#endif
+
+#ifdef OTP_CONTROL
+	parent = debugfs_create_dir("otp", top);
+	D16(OTP_CONTROL);
+	D16(OTP_BEN);
+	D16(OTP_STATUS);
+	D32(OTP_TIMING);
+	D32(OTP_DATA0);
+	D32(OTP_DATA1);
+	D32(OTP_DATA2);
+	D32(OTP_DATA3);
+#endif
+
+#ifdef PIXC_CTL
+	parent = debugfs_create_dir("pixc", top);
+	D16(PIXC_CTL);
+	D16(PIXC_PPL);
+	D16(PIXC_LPF);
+	D16(PIXC_AHSTART);
+	D16(PIXC_AHEND);
+	D16(PIXC_AVSTART);
+	D16(PIXC_AVEND);
+	D16(PIXC_ATRANSP);
+	D16(PIXC_BHSTART);
+	D16(PIXC_BHEND);
+	D16(PIXC_BVSTART);
+	D16(PIXC_BVEND);
+	D16(PIXC_BTRANSP);
+	D16(PIXC_INTRSTAT);
+	D32(PIXC_RYCON);
+	D32(PIXC_GUCON);
+	D32(PIXC_BVCON);
+	D32(PIXC_CCBIAS);
+	D32(PIXC_TC);
+#endif
+
+	parent = debugfs_create_dir("pll", top);
+	D16(PLL_CTL);
+	D16(PLL_DIV);
+	D16(PLL_LOCKCNT);
+	D16(PLL_STAT);
+	D16(VR_CTL);
+	D32(CHIPID);	/* it's part of this hardware block */
+
+#if defined(PPI_STATUS) || defined(PPI0_STATUS) || defined(PPI1_STATUS)
+	parent = debugfs_create_dir("ppi", top);
+# ifdef PPI_STATUS
+	bfin_debug_mmrs_ppi(parent, PPI_STATUS, -1);
+# endif
+# ifdef PPI0_STATUS
+	PPI(0);
+# endif
+# ifdef PPI1_STATUS
+	PPI(1);
+# endif
+#endif
+
+#ifdef PWM_CTRL
+	parent = debugfs_create_dir("pwm", top);
+	D16(PWM_CTRL);
+	D16(PWM_STAT);
+	D16(PWM_TM);
+	D16(PWM_DT);
+	D16(PWM_GATE);
+	D16(PWM_CHA);
+	D16(PWM_CHB);
+	D16(PWM_CHC);
+	D16(PWM_SEG);
+	D16(PWM_SYNCWT);
+	D16(PWM_CHAL);
+	D16(PWM_CHBL);
+	D16(PWM_CHCL);
+	D16(PWM_LSI);
+	D16(PWM_STAT2);
+#endif
+
+#ifdef RSI_CONFIG
+	parent = debugfs_create_dir("rsi", top);
+	D32(RSI_ARGUMENT);
+	D16(RSI_CEATA_CONTROL);
+	D16(RSI_CLK_CONTROL);
+	D16(RSI_COMMAND);
+	D16(RSI_CONFIG);
+	D16(RSI_DATA_CNT);
+	D16(RSI_DATA_CONTROL);
+	D16(RSI_DATA_LGTH);
+	D32(RSI_DATA_TIMER);
+	D16(RSI_EMASK);
+	D16(RSI_ESTAT);
+	D32(RSI_FIFO);
+	D16(RSI_FIFO_CNT);
+	D32(RSI_MASK0);
+	D32(RSI_MASK1);
+	D16(RSI_PID0);
+	D16(RSI_PID1);
+	D16(RSI_PID2);
+	D16(RSI_PID3);
+	D16(RSI_PWR_CONTROL);
+	D16(RSI_RD_WAIT_EN);
+	D32(RSI_RESPONSE0);
+	D32(RSI_RESPONSE1);
+	D32(RSI_RESPONSE2);
+	D32(RSI_RESPONSE3);
+	D16(RSI_RESP_CMD);
+	D32(RSI_STATUS);
+	D_WO(RSI_STATUSCL, 16);
+#endif
+
+#ifdef RTC_ALARM
+	parent = debugfs_create_dir("rtc", top);
+	D32(RTC_ALARM);
+	D16(RTC_ICTL);
+	D16(RTC_ISTAT);
+	D16(RTC_PREN);
+	D32(RTC_STAT);
+	D16(RTC_SWCNT);
+#endif
+
+#ifdef SDH_CFG
+	parent = debugfs_create_dir("sdh", top);
+	D32(SDH_ARGUMENT);
+	D16(SDH_CFG);
+	D16(SDH_CLK_CTL);
+	D16(SDH_COMMAND);
+	D_RO(SDH_DATA_CNT, 16);
+	D16(SDH_DATA_CTL);
+	D16(SDH_DATA_LGTH);
+	D32(SDH_DATA_TIMER);
+	D16(SDH_E_MASK);
+	D16(SDH_E_STATUS);
+	D32(SDH_FIFO);
+	D_RO(SDH_FIFO_CNT, 16);
+	D32(SDH_MASK0);
+	D32(SDH_MASK1);
+	D_RO(SDH_PID0, 16);
+	D_RO(SDH_PID1, 16);
+	D_RO(SDH_PID2, 16);
+	D_RO(SDH_PID3, 16);
+	D_RO(SDH_PID4, 16);
+	D_RO(SDH_PID5, 16);
+	D_RO(SDH_PID6, 16);
+	D_RO(SDH_PID7, 16);
+	D16(SDH_PWR_CTL);
+	D16(SDH_RD_WAIT_EN);
+	D_RO(SDH_RESPONSE0, 32);
+	D_RO(SDH_RESPONSE1, 32);
+	D_RO(SDH_RESPONSE2, 32);
+	D_RO(SDH_RESPONSE3, 32);
+	D_RO(SDH_RESP_CMD, 16);
+	D_RO(SDH_STATUS, 32);
+	D_WO(SDH_STATUS_CLR, 16);
+#endif
+
+#ifdef SECURE_CONTROL
+	parent = debugfs_create_dir("security", top);
+	D16(SECURE_CONTROL);
+	D16(SECURE_STATUS);
+	D32(SECURE_SYSSWT);
+#endif
+
+	parent = debugfs_create_dir("sic", top);
+	D16(SWRST);
+	D16(SYSCR);
+	D16(SIC_RVECT);
+	D32(SIC_IAR0);
+	D32(SIC_IAR1);
+	D32(SIC_IAR2);
+#ifdef SIC_IAR3
+	D32(SIC_IAR3);
+#endif
+#ifdef SIC_IAR4
+	D32(SIC_IAR4);
+	D32(SIC_IAR5);
+	D32(SIC_IAR6);
+#endif
+#ifdef SIC_IAR7
+	D32(SIC_IAR7);
+#endif
+#ifdef SIC_IAR8
+	D32(SIC_IAR8);
+	D32(SIC_IAR9);
+	D32(SIC_IAR10);
+	D32(SIC_IAR11);
+#endif
+#ifdef SIC_IMASK
+	D32(SIC_IMASK);
+	D32(SIC_ISR);
+	D32(SIC_IWR);
+#endif
+#ifdef SIC_IMASK0
+	D32(SIC_IMASK0);
+	D32(SIC_IMASK1);
+	D32(SIC_ISR0);
+	D32(SIC_ISR1);
+	D32(SIC_IWR0);
+	D32(SIC_IWR1);
+#endif
+#ifdef SIC_IMASK2
+	D32(SIC_IMASK2);
+	D32(SIC_ISR2);
+	D32(SIC_IWR2);
+#endif
+#ifdef SICB_RVECT
+	D16(SICB_SWRST);
+	D16(SICB_SYSCR);
+	D16(SICB_RVECT);
+	D32(SICB_IAR0);
+	D32(SICB_IAR1);
+	D32(SICB_IAR2);
+	D32(SICB_IAR3);
+	D32(SICB_IAR4);
+	D32(SICB_IAR5);
+	D32(SICB_IAR6);
+	D32(SICB_IAR7);
+	D32(SICB_IMASK0);
+	D32(SICB_IMASK1);
+	D32(SICB_ISR0);
+	D32(SICB_ISR1);
+	D32(SICB_IWR0);
+	D32(SICB_IWR1);
+#endif
+
+	parent = debugfs_create_dir("spi", top);
+#ifdef SPI0_REGBASE
+	SPI(0);
+#endif
+#ifdef SPI1_REGBASE
+	SPI(1);
+#endif
+#ifdef SPI2_REGBASE
+	SPI(2);
+#endif
+
+	parent = debugfs_create_dir("sport", top);
+#ifdef SPORT0_STAT
+	SPORT(0);
+#endif
+#ifdef SPORT1_STAT
+	SPORT(1);
+#endif
+#ifdef SPORT2_STAT
+	SPORT(2);
+#endif
+#ifdef SPORT3_STAT
+	SPORT(3);
+#endif
+
+#if defined(TWI_CLKDIV) || defined(TWI0_CLKDIV) || defined(TWI1_CLKDIV)
+	parent = debugfs_create_dir("twi", top);
+# ifdef TWI_CLKDIV
+	bfin_debug_mmrs_twi(parent, TWI_CLKDIV, -1);
+# endif
+# ifdef TWI0_CLKDIV
+	TWI(0);
+# endif
+# ifdef TWI1_CLKDIV
+	TWI(1);
+# endif
+#endif
+
+	parent = debugfs_create_dir("uart", top);
+#ifdef BFIN_UART_DLL
+	bfin_debug_mmrs_uart(parent, BFIN_UART_DLL, -1);
+#endif
+#ifdef UART0_DLL
+	UART(0);
+#endif
+#ifdef UART1_DLL
+	UART(1);
+#endif
+#ifdef UART2_DLL
+	UART(2);
+#endif
+#ifdef UART3_DLL
+	UART(3);
+#endif
+
+#ifdef USB_FADDR
+	parent = debugfs_create_dir("usb", top);
+	D16(USB_FADDR);
+	D16(USB_POWER);
+	D16(USB_INTRTX);
+	D16(USB_INTRRX);
+	D16(USB_INTRTXE);
+	D16(USB_INTRRXE);
+	D16(USB_INTRUSB);
+	D16(USB_INTRUSBE);
+	D16(USB_FRAME);
+	D16(USB_INDEX);
+	D16(USB_TESTMODE);
+	D16(USB_GLOBINTR);
+	D16(USB_GLOBAL_CTL);
+	D16(USB_TX_MAX_PACKET);
+	D16(USB_CSR0);
+	D16(USB_TXCSR);
+	D16(USB_RX_MAX_PACKET);
+	D16(USB_RXCSR);
+	D16(USB_COUNT0);
+	D16(USB_RXCOUNT);
+	D16(USB_TXTYPE);
+	D16(USB_NAKLIMIT0);
+	D16(USB_TXINTERVAL);
+	D16(USB_RXTYPE);
+	D16(USB_RXINTERVAL);
+	D16(USB_TXCOUNT);
+	D16(USB_EP0_FIFO);
+	D16(USB_EP1_FIFO);
+	D16(USB_EP2_FIFO);
+	D16(USB_EP3_FIFO);
+	D16(USB_EP4_FIFO);
+	D16(USB_EP5_FIFO);
+	D16(USB_EP6_FIFO);
+	D16(USB_EP7_FIFO);
+	D16(USB_OTG_DEV_CTL);
+	D16(USB_OTG_VBUS_IRQ);
+	D16(USB_OTG_VBUS_MASK);
+	D16(USB_LINKINFO);
+	D16(USB_VPLEN);
+	D16(USB_HS_EOF1);
+	D16(USB_FS_EOF1);
+	D16(USB_LS_EOF1);
+	D16(USB_APHY_CNTRL);
+	D16(USB_APHY_CALIB);
+	D16(USB_APHY_CNTRL2);
+	D16(USB_PHY_TEST);
+	D16(USB_PLLOSC_CTRL);
+	D16(USB_SRP_CLKDIV);
+	D16(USB_EP_NI0_TXMAXP);
+	D16(USB_EP_NI0_TXCSR);
+	D16(USB_EP_NI0_RXMAXP);
+	D16(USB_EP_NI0_RXCSR);
+	D16(USB_EP_NI0_RXCOUNT);
+	D16(USB_EP_NI0_TXTYPE);
+	D16(USB_EP_NI0_TXINTERVAL);
+	D16(USB_EP_NI0_RXTYPE);
+	D16(USB_EP_NI0_RXINTERVAL);
+	D16(USB_EP_NI0_TXCOUNT);
+	D16(USB_EP_NI1_TXMAXP);
+	D16(USB_EP_NI1_TXCSR);
+	D16(USB_EP_NI1_RXMAXP);
+	D16(USB_EP_NI1_RXCSR);
+	D16(USB_EP_NI1_RXCOUNT);
+	D16(USB_EP_NI1_TXTYPE);
+	D16(USB_EP_NI1_TXINTERVAL);
+	D16(USB_EP_NI1_RXTYPE);
+	D16(USB_EP_NI1_RXINTERVAL);
+	D16(USB_EP_NI1_TXCOUNT);
+	D16(USB_EP_NI2_TXMAXP);
+	D16(USB_EP_NI2_TXCSR);
+	D16(USB_EP_NI2_RXMAXP);
+	D16(USB_EP_NI2_RXCSR);
+	D16(USB_EP_NI2_RXCOUNT);
+	D16(USB_EP_NI2_TXTYPE);
+	D16(USB_EP_NI2_TXINTERVAL);
+	D16(USB_EP_NI2_RXTYPE);
+	D16(USB_EP_NI2_RXINTERVAL);
+	D16(USB_EP_NI2_TXCOUNT);
+	D16(USB_EP_NI3_TXMAXP);
+	D16(USB_EP_NI3_TXCSR);
+	D16(USB_EP_NI3_RXMAXP);
+	D16(USB_EP_NI3_RXCSR);
+	D16(USB_EP_NI3_RXCOUNT);
+	D16(USB_EP_NI3_TXTYPE);
+	D16(USB_EP_NI3_TXINTERVAL);
+	D16(USB_EP_NI3_RXTYPE);
+	D16(USB_EP_NI3_RXINTERVAL);
+	D16(USB_EP_NI3_TXCOUNT);
+	D16(USB_EP_NI4_TXMAXP);
+	D16(USB_EP_NI4_TXCSR);
+	D16(USB_EP_NI4_RXMAXP);
+	D16(USB_EP_NI4_RXCSR);
+	D16(USB_EP_NI4_RXCOUNT);
+	D16(USB_EP_NI4_TXTYPE);
+	D16(USB_EP_NI4_TXINTERVAL);
+	D16(USB_EP_NI4_RXTYPE);
+	D16(USB_EP_NI4_RXINTERVAL);
+	D16(USB_EP_NI4_TXCOUNT);
+	D16(USB_EP_NI5_TXMAXP);
+	D16(USB_EP_NI5_TXCSR);
+	D16(USB_EP_NI5_RXMAXP);
+	D16(USB_EP_NI5_RXCSR);
+	D16(USB_EP_NI5_RXCOUNT);
+	D16(USB_EP_NI5_TXTYPE);
+	D16(USB_EP_NI5_TXINTERVAL);
+	D16(USB_EP_NI5_RXTYPE);
+	D16(USB_EP_NI5_RXINTERVAL);
+	D16(USB_EP_NI5_TXCOUNT);
+	D16(USB_EP_NI6_TXMAXP);
+	D16(USB_EP_NI6_TXCSR);
+	D16(USB_EP_NI6_RXMAXP);
+	D16(USB_EP_NI6_RXCSR);
+	D16(USB_EP_NI6_RXCOUNT);
+	D16(USB_EP_NI6_TXTYPE);
+	D16(USB_EP_NI6_TXINTERVAL);
+	D16(USB_EP_NI6_RXTYPE);
+	D16(USB_EP_NI6_RXINTERVAL);
+	D16(USB_EP_NI6_TXCOUNT);
+	D16(USB_EP_NI7_TXMAXP);
+	D16(USB_EP_NI7_TXCSR);
+	D16(USB_EP_NI7_RXMAXP);
+	D16(USB_EP_NI7_RXCSR);
+	D16(USB_EP_NI7_RXCOUNT);
+	D16(USB_EP_NI7_TXTYPE);
+	D16(USB_EP_NI7_TXINTERVAL);
+	D16(USB_EP_NI7_RXTYPE);
+	D16(USB_EP_NI7_RXINTERVAL);
+	D16(USB_EP_NI7_TXCOUNT);
+	D16(USB_DMA_INTERRUPT);
+	D16(USB_DMA0CONTROL);
+	D16(USB_DMA0ADDRLOW);
+	D16(USB_DMA0ADDRHIGH);
+	D16(USB_DMA0COUNTLOW);
+	D16(USB_DMA0COUNTHIGH);
+	D16(USB_DMA1CONTROL);
+	D16(USB_DMA1ADDRLOW);
+	D16(USB_DMA1ADDRHIGH);
+	D16(USB_DMA1COUNTLOW);
+	D16(USB_DMA1COUNTHIGH);
+	D16(USB_DMA2CONTROL);
+	D16(USB_DMA2ADDRLOW);
+	D16(USB_DMA2ADDRHIGH);
+	D16(USB_DMA2COUNTLOW);
+	D16(USB_DMA2COUNTHIGH);
+	D16(USB_DMA3CONTROL);
+	D16(USB_DMA3ADDRLOW);
+	D16(USB_DMA3ADDRHIGH);
+	D16(USB_DMA3COUNTLOW);
+	D16(USB_DMA3COUNTHIGH);
+	D16(USB_DMA4CONTROL);
+	D16(USB_DMA4ADDRLOW);
+	D16(USB_DMA4ADDRHIGH);
+	D16(USB_DMA4COUNTLOW);
+	D16(USB_DMA4COUNTHIGH);
+	D16(USB_DMA5CONTROL);
+	D16(USB_DMA5ADDRLOW);
+	D16(USB_DMA5ADDRHIGH);
+	D16(USB_DMA5COUNTLOW);
+	D16(USB_DMA5COUNTHIGH);
+	D16(USB_DMA6CONTROL);
+	D16(USB_DMA6ADDRLOW);
+	D16(USB_DMA6ADDRHIGH);
+	D16(USB_DMA6COUNTLOW);
+	D16(USB_DMA6COUNTHIGH);
+	D16(USB_DMA7CONTROL);
+	D16(USB_DMA7ADDRLOW);
+	D16(USB_DMA7ADDRHIGH);
+	D16(USB_DMA7COUNTLOW);
+	D16(USB_DMA7COUNTHIGH);
+#endif
+
+#ifdef WDOG_CNT
+	parent = debugfs_create_dir("watchdog", top);
+	D32(WDOG_CNT);
+	D16(WDOG_CTL);
+	D32(WDOG_STAT);
+#endif
+#ifdef WDOGA_CNT
+	parent = debugfs_create_dir("watchdog", top);
+	D32(WDOGA_CNT);
+	D16(WDOGA_CTL);
+	D32(WDOGA_STAT);
+	D32(WDOGB_CNT);
+	D16(WDOGB_CTL);
+	D32(WDOGB_STAT);
+#endif
+
+	/* BF533 glue */
+#ifdef FIO_FLAG_D
+#define PORTFIO FIO_FLAG_D
+#endif
+	/* BF561 glue */
+#ifdef FIO0_FLAG_D
+#define PORTFIO FIO0_FLAG_D
+#endif
+#ifdef FIO1_FLAG_D
+#define PORTGIO FIO1_FLAG_D
+#endif
+#ifdef FIO2_FLAG_D
+#define PORTHIO FIO2_FLAG_D
+#endif
+	parent = debugfs_create_dir("port", top);
+#ifdef PORTFIO
+	PORT(PORTFIO, 'F');
+#endif
+#ifdef PORTGIO
+	PORT(PORTGIO, 'G');
+#endif
+#ifdef PORTHIO
+	PORT(PORTHIO, 'H');
+#endif
+
+#ifdef __ADSPBF51x__
+	D16(PORTF_FER);
+	D16(PORTF_DRIVE);
+	D16(PORTF_HYSTERESIS);
+	D16(PORTF_MUX);
+
+	D16(PORTG_FER);
+	D16(PORTG_DRIVE);
+	D16(PORTG_HYSTERESIS);
+	D16(PORTG_MUX);
+
+	D16(PORTH_FER);
+	D16(PORTH_DRIVE);
+	D16(PORTH_HYSTERESIS);
+	D16(PORTH_MUX);
+
+	D16(MISCPORT_DRIVE);
+	D16(MISCPORT_HYSTERESIS);
+#endif	/* BF51x */
+
+#ifdef __ADSPBF52x__
+	D16(PORTF_FER);
+	D16(PORTF_DRIVE);
+	D16(PORTF_HYSTERESIS);
+	D16(PORTF_MUX);
+	D16(PORTF_SLEW);
+
+	D16(PORTG_FER);
+	D16(PORTG_DRIVE);
+	D16(PORTG_HYSTERESIS);
+	D16(PORTG_MUX);
+	D16(PORTG_SLEW);
+
+	D16(PORTH_FER);
+	D16(PORTH_DRIVE);
+	D16(PORTH_HYSTERESIS);
+	D16(PORTH_MUX);
+	D16(PORTH_SLEW);
+
+	D16(MISCPORT_DRIVE);
+	D16(MISCPORT_HYSTERESIS);
+	D16(MISCPORT_SLEW);
+#endif	/* BF52x */
+
+#ifdef BF537_FAMILY
+	D16(PORTF_FER);
+	D16(PORTG_FER);
+	D16(PORTH_FER);
+	D16(PORT_MUX);
+#endif	/* BF534 BF536 BF537 */
+
+#ifdef BF538_FAMILY
+	D16(PORTCIO_FER);
+	D16(PORTCIO);
+	D16(PORTCIO_CLEAR);
+	D16(PORTCIO_SET);
+	D16(PORTCIO_TOGGLE);
+	D16(PORTCIO_DIR);
+	D16(PORTCIO_INEN);
+
+	D16(PORTDIO);
+	D16(PORTDIO_CLEAR);
+	D16(PORTDIO_DIR);
+	D16(PORTDIO_FER);
+	D16(PORTDIO_INEN);
+	D16(PORTDIO_SET);
+	D16(PORTDIO_TOGGLE);
+
+	D16(PORTEIO);
+	D16(PORTEIO_CLEAR);
+	D16(PORTEIO_DIR);
+	D16(PORTEIO_FER);
+	D16(PORTEIO_INEN);
+	D16(PORTEIO_SET);
+	D16(PORTEIO_TOGGLE);
+#endif	/* BF538 BF539 */
+
+#ifdef __ADSPBF54x__
+	{
+		int num;
+		unsigned long base;
+		char *_buf, buf[32];
+
+		base = PORTA_FER;
+		for (num = 0; num < 10; ++num) {
+			PORT(base, num);
+			base += sizeof(struct bfin_gpio_regs);
+		}
+
+#define __PINT(uname, lname) __REGS(pint, #uname, lname)
+		parent = debugfs_create_dir("pint", top);
+		base = PINT0_MASK_SET;
+		for (num = 0; num < 4; ++num) {
+			_buf = REGS_STR_PFX(buf, PINT, num);
+			__PINT(MASK_SET, mask_set);
+			__PINT(MASK_CLEAR, mask_clear);
+			__PINT(IRQ, irq);
+			__PINT(ASSIGN, assign);
+			__PINT(EDGE_SET, edge_set);
+			__PINT(EDGE_CLEAR, edge_clear);
+			__PINT(INVERT_SET, invert_set);
+			__PINT(INVERT_CLEAR, invert_clear);
+			__PINT(PINSTATE, pinstate);
+			__PINT(LATCH, latch);
+			base += sizeof(struct bfin_pint_regs);
+		}
+
+	}
+#endif	/* BF54x */
+
+	debug_mmrs_dentry = top;
+
+	return 0;
+}
+module_init(bfin_debug_mmrs_init);
+
+static void __exit bfin_debug_mmrs_exit(void)
+{
+	debugfs_remove_recursive(debug_mmrs_dentry);
+}
+module_exit(bfin_debug_mmrs_exit);
+
+MODULE_LICENSE("GPL");