Merge tag 'for-linus' of git://github.com/realmz/blackfin-linux

Pull blackfin updates from Steven Miao.

* tag 'for-linus' of git://github.com/realmz/blackfin-linux:
  bfin cache: dcplb map: add 16M dcplb map for BF60x
  blackfin: smp: fix smp build after drop asm/system.h
  blackfin: fix bootup core clock and system clock display
  Platform Nand: Set the GPIO for NAND read as input
  blackfin: rename vmImage to uImage after we move to buildroot
  blackfin: twi: Remove bogus #endif
  bf609: rsi: Add bf609 rsi MMR macro and board platform data.
  blackfin: dmc: Improve DDR2 write through in DMC effict controller.

14 files changed, 101 insertions, 24 deletions

diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index 66cf00095b8..1fce08632ad 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -141,11 +141,11 @@ archclean:
 
 INSTALL_PATH ?= /tftpboot
 boot := arch/$(ARCH)/boot
-BOOT_TARGETS = vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma vmImage.lzo vmImage.xip
+BOOT_TARGETS = uImage uImage.bin uImage.bz2 uImage.gz uImage.lzma uImage.lzo uImage.xip
 PHONY += $(BOOT_TARGETS) install
-KBUILD_IMAGE := $(boot)/vmImage
+KBUILD_IMAGE := $(boot)/uImage
 
-all: vmImage
+all: uImage
 
 $(BOOT_TARGETS): vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
diff --git a/arch/blackfin/boot/Makefile b/arch/blackfin/boot/Makefile
index f7d27d50d02..3efaa094fb9 100644
--- a/arch/blackfin/boot/Makefile
+++ b/arch/blackfin/boot/Makefile
@@ -6,7 +6,7 @@
 # for more details.
 #
 
-targets := vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma vmImage.lzo vmImage.xip
+targets := uImage uImage.bin uImage.bz2 uImage.gz uImage.lzma uImage.lzo uImage.xip
 extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.xip
 
 ifeq ($(CONFIG_RAMKERNEL),y)
@@ -39,22 +39,22 @@ quiet_cmd_mk_bin_xip = BIN     $@
 $(obj)/vmlinux.bin.xip: $(obj)/vmlinux.bin FORCE
 	$(call if_changed,mk_bin_xip)
 
-$(obj)/vmImage.bin: $(obj)/vmlinux.bin
+$(obj)/uImage.bin: $(obj)/vmlinux.bin
 	$(call if_changed,uimage,none)
 
-$(obj)/vmImage.bz2: $(obj)/vmlinux.bin.bz2
+$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2
 	$(call if_changed,uimage,bzip2)
 
-$(obj)/vmImage.gz: $(obj)/vmlinux.bin.gz
+$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
 	$(call if_changed,uimage,gzip)
 
-$(obj)/vmImage.lzma: $(obj)/vmlinux.bin.lzma
+$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
 	$(call if_changed,uimage,lzma)
 
-$(obj)/vmImage.lzo: $(obj)/vmlinux.bin.lzo
+$(obj)/uImage.lzo: $(obj)/vmlinux.bin.lzo
 	$(call if_changed,uimage,lzo)
 
-$(obj)/vmImage.xip: $(obj)/vmlinux.bin.xip
+$(obj)/uImage.xip: $(obj)/vmlinux.bin.xip
 	$(call if_changed,uimage,none)
 
 suffix-y                      := bin
@@ -64,7 +64,7 @@ suffix-$(CONFIG_KERNEL_LZMA)  := lzma
 suffix-$(CONFIG_KERNEL_LZO)   := lzo
 suffix-$(CONFIG_ROMKERNEL)    := xip
 
-$(obj)/vmImage: $(obj)/vmImage.$(suffix-y)
+$(obj)/uImage: $(obj)/uImage.$(suffix-y)
 	@ln -sf $(notdir $<) $@
 
 install:
diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h
index c8db653c72d..a107a98e997 100644
--- a/arch/blackfin/include/asm/atomic.h
+++ b/arch/blackfin/include/asm/atomic.h
@@ -11,7 +11,9 @@
 
 #ifdef CONFIG_SMP
 
+#include <asm/barrier.h>
 #include <linux/linkage.h>
+#include <linux/types.h>
 
 asmlinkage int __raw_uncached_fetch_asm(const volatile int *ptr);
 asmlinkage int __raw_atomic_update_asm(volatile int *ptr, int value);
diff --git a/arch/blackfin/include/asm/bfin_sdh.h b/arch/blackfin/include/asm/bfin_sdh.h
index 6a4cfe2d336..a99957ea9e9 100644
--- a/arch/blackfin/include/asm/bfin_sdh.h
+++ b/arch/blackfin/include/asm/bfin_sdh.h
@@ -24,18 +24,27 @@ struct bfin_sd_host {
 #define CMD_INT_E          (1 << 8)    /* Command Interrupt */
 #define CMD_PEND_E         (1 << 9)    /* Command Pending */
 #define CMD_E              (1 << 10)   /* Command Enable */
+#ifdef RSI_BLKSZ
+#define CMD_CRC_CHECK_D    (1 << 11)   /* CRC Check is disabled */
+#define CMD_DATA0_BUSY     (1 << 12)   /* Check for Busy State on the DATA0 pin */
+#endif
 
 /* SDH_PWR_CTL bitmasks */
+#ifndef RSI_BLKSZ
 #define PWR_ON             0x3         /* Power On */
 #define SD_CMD_OD          (1 << 6)    /* Open Drain Output */
 #define ROD_CTL            (1 << 7)    /* Rod Control */
+#endif
 
 /* SDH_CLK_CTL bitmasks */
 #define CLKDIV             0xff        /* MC_CLK Divisor */
 #define CLK_E              (1 << 8)    /* MC_CLK Bus Clock Enable */
 #define PWR_SV_E           (1 << 9)    /* Power Save Enable */
 #define CLKDIV_BYPASS      (1 << 10)   /* Bypass Divisor */
-#define WIDE_BUS           (1 << 11)   /* Wide Bus Mode Enable */
+#define BUS_MODE_MASK      0x1800      /* Bus Mode Mask */
+#define STD_BUS_1          0x000       /* Standard Bus 1 bit mode */
+#define WIDE_BUS_4         0x800       /* Wide Bus 4 bit mode */
+#define BYTE_BUS_8         0x1000      /* Byte Bus 8 bit mode */
 
 /* SDH_RESP_CMD bitmasks */
 #define RESP_CMD           0x3f        /* Response Command */
@@ -45,7 +54,13 @@ struct bfin_sd_host {
 #define DTX_DIR            (1 << 1)    /* Data Transfer Direction */
 #define DTX_MODE           (1 << 2)    /* Data Transfer Mode */
 #define DTX_DMA_E          (1 << 3)    /* Data Transfer DMA Enable */
+#ifndef RSI_BLKSZ
 #define DTX_BLK_LGTH       (0xf << 4)  /* Data Transfer Block Length */
+#else
+
+/* Bit masks for SDH_BLK_SIZE */
+#define DTX_BLK_LGTH       0x1fff      /* Data Transfer Block Length */
+#endif
 
 /* SDH_STATUS bitmasks */
 #define CMD_CRC_FAIL       (1 << 0)    /* CMD CRC Fail */
@@ -114,10 +129,14 @@ struct bfin_sd_host {
 /* SDH_E_STATUS bitmasks */
 #define SDIO_INT_DET       (1 << 1)    /* SDIO Int Detected */
 #define SD_CARD_DET        (1 << 4)    /* SD Card Detect */
+#define SD_CARD_BUSYMODE   (1 << 31)   /* Card is in Busy mode */
+#define SD_CARD_SLPMODE    (1 << 30)   /* Card in Sleep Mode */
+#define SD_CARD_READY      (1 << 17)   /* Card Ready */
 
 /* SDH_E_MASK bitmasks */
 #define SDIO_MSK           (1 << 1)    /* Mask SDIO Int Detected */
-#define SCD_MSK            (1 << 6)    /* Mask Card Detect */
+#define SCD_MSK            (1 << 4)    /* Mask Card Detect */
+#define CARD_READY_MSK     (1 << 16)   /* Mask Card Ready */
 
 /* SDH_CFG bitmasks */
 #define CLKS_EN            (1 << 0)    /* Clocks Enable */
@@ -126,7 +145,15 @@ struct bfin_sd_host {
 #define SD_RST             (1 << 4)    /* SDMMC Reset */
 #define PUP_SDDAT          (1 << 5)    /* Pull-up SD_DAT */
 #define PUP_SDDAT3         (1 << 6)    /* Pull-up SD_DAT3 */
+#ifndef RSI_BLKSZ
 #define PD_SDDAT3          (1 << 7)    /* Pull-down SD_DAT3 */
+#else
+#define PWR_ON             0x600       /* Power On */
+#define SD_CMD_OD          (1 << 11)   /* Open Drain Output */
+#define BOOT_EN            (1 << 12)   /* Boot Enable */
+#define BOOT_MODE          (1 << 13)   /* Alternate Boot Mode */
+#define BOOT_ACK_EN        (1 << 14)   /* Boot ACK is expected */
+#endif
 
 /* SDH_RD_WAIT_EN bitmasks */
 #define RWR                (1 << 0)    /* Read Wait Request */
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index 8a0fed16058..0ca40dd4472 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -41,6 +41,7 @@
 #include <asm-generic/bitops/non-atomic.h>
 #else
 
+#include <asm/barrier.h>
 #include <asm/byteorder.h>	/* swab32 */
 #include <linux/linkage.h>
 
diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h
index fe0ca03a1cb..ca67145c6a4 100644
--- a/arch/blackfin/include/asm/def_LPBlackfin.h
+++ b/arch/blackfin/include/asm/def_LPBlackfin.h
@@ -622,10 +622,12 @@ do { \
 #define PAGE_SIZE_4KB      0x00010000	/* 4 KB page size */
 #define PAGE_SIZE_1MB      0x00020000	/* 1 MB page size */
 #define PAGE_SIZE_4MB      0x00030000	/* 4 MB page size */
+#ifdef CONFIG_BF60x
 #define PAGE_SIZE_16KB     0x00040000	/* 16 KB page size */
 #define PAGE_SIZE_64KB     0x00050000	/* 64 KB page size */
 #define PAGE_SIZE_16MB     0x00060000	/* 16 MB page size */
 #define PAGE_SIZE_64MB     0x00070000	/* 64 MB page size */
+#endif
 #define CPLB_L1SRAM        0x00000020	/* 0=SRAM mapped in L1, 0=SRAM not
 					 * mapped to L1
 					 */
diff --git a/arch/blackfin/include/asm/mem_init.h b/arch/blackfin/include/asm/mem_init.h
index 9b33e724786..c865b33eeb6 100644
--- a/arch/blackfin/include/asm/mem_init.h
+++ b/arch/blackfin/include/asm/mem_init.h
@@ -335,6 +335,7 @@
 struct ddr_config {
 	u32 ddr_clk;
 	u32 dmc_ddrctl;
+	u32 dmc_effctl;
 	u32 dmc_ddrcfg;
 	u32 dmc_ddrtr0;
 	u32 dmc_ddrtr1;
@@ -348,6 +349,7 @@ static struct ddr_config ddr_config_table[] __attribute__((section(".data_l1")))
 	[0] = {
 		.ddr_clk    = 125,
 		.dmc_ddrctl = 0x00000904,
+		.dmc_effctl = 0x004400C0,
 		.dmc_ddrcfg = 0x00000422,
 		.dmc_ddrtr0 = 0x20705212,
 		.dmc_ddrtr1 = 0x201003CF,
@@ -358,6 +360,7 @@ static struct ddr_config ddr_config_table[] __attribute__((section(".data_l1")))
 	[1] = {
 		.ddr_clk    = 133,
 		.dmc_ddrctl = 0x00000904,
+		.dmc_effctl = 0x004400C0,
 		.dmc_ddrcfg = 0x00000422,
 		.dmc_ddrtr0 = 0x20806313,
 		.dmc_ddrtr1 = 0x2013040D,
@@ -368,6 +371,7 @@ static struct ddr_config ddr_config_table[] __attribute__((section(".data_l1")))
 	[2] = {
 		.ddr_clk    = 150,
 		.dmc_ddrctl = 0x00000904,
+		.dmc_effctl = 0x004400C0,
 		.dmc_ddrcfg = 0x00000422,
 		.dmc_ddrtr0 = 0x20A07323,
 		.dmc_ddrtr1 = 0x20160492,
@@ -378,6 +382,7 @@ static struct ddr_config ddr_config_table[] __attribute__((section(".data_l1")))
 	[3] = {
 		.ddr_clk    = 166,
 		.dmc_ddrctl = 0x00000904,
+		.dmc_effctl = 0x004400C0,
 		.dmc_ddrcfg = 0x00000422,
 		.dmc_ddrtr0 = 0x20A07323,
 		.dmc_ddrtr1 = 0x2016050E,
@@ -388,6 +393,7 @@ static struct ddr_config ddr_config_table[] __attribute__((section(".data_l1")))
 	[4] = {
 		.ddr_clk    = 200,
 		.dmc_ddrctl = 0x00000904,
+		.dmc_effctl = 0x004400C0,
 		.dmc_ddrcfg = 0x00000422,
 		.dmc_ddrtr0 = 0x20a07323,
 		.dmc_ddrtr1 = 0x2016050f,
@@ -398,6 +404,7 @@ static struct ddr_config ddr_config_table[] __attribute__((section(".data_l1")))
 	[5] = {
 		.ddr_clk    = 225,
 		.dmc_ddrctl = 0x00000904,
+		.dmc_effctl = 0x004400C0,
 		.dmc_ddrcfg = 0x00000422,
 		.dmc_ddrtr0 = 0x20E0A424,
 		.dmc_ddrtr1 = 0x302006DB,
@@ -408,6 +415,7 @@ static struct ddr_config ddr_config_table[] __attribute__((section(".data_l1")))
 	[6] = {
 		.ddr_clk    = 250,
 		.dmc_ddrctl = 0x00000904,
+		.dmc_effctl = 0x004400C0,
 		.dmc_ddrcfg = 0x00000422,
 		.dmc_ddrtr0 = 0x20E0A424,
 		.dmc_ddrtr1 = 0x3020079E,
@@ -469,6 +477,7 @@ static inline void init_dmc(u32 dmc_clk)
 			bfin_write_DMC0_TR2(ddr_config_table[i].dmc_ddrtr2);
 			bfin_write_DMC0_MR(ddr_config_table[i].dmc_ddrmr);
 			bfin_write_DMC0_EMR1(ddr_config_table[i].dmc_ddrmr1);
+			bfin_write_DMC0_EFFCTL(ddr_config_table[i].dmc_effctl);
 			bfin_write_DMC0_CTL(ddr_config_table[i].dmc_ddrctl);
 			break;
 		}
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 34e96ce02aa..b49a53b583d 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -30,6 +30,7 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
 {
 	int i_d, i_i;
 	unsigned long addr;
+	unsigned long cplb_pageflags, cplb_pagesize;
 
 	struct cplb_entry *d_tbl = dcplb_tbl[cpu];
 	struct cplb_entry *i_tbl = icplb_tbl[cpu];
@@ -49,11 +50,20 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
 	/* Cover kernel memory with 4M pages.  */
 	addr = 0;
 
-	for (; addr < memory_start; addr += 4 * 1024 * 1024) {
+#ifdef PAGE_SIZE_16MB
+	cplb_pageflags = PAGE_SIZE_16MB;
+	cplb_pagesize = SIZE_16M;
+#else
+	cplb_pageflags = PAGE_SIZE_4MB;
+	cplb_pagesize = SIZE_4M;
+#endif
+
+
+	for (; addr < memory_start; addr += cplb_pagesize) {
 		d_tbl[i_d].addr = addr;
-		d_tbl[i_d++].data = SDRAM_DGENERIC | PAGE_SIZE_4MB;
+		d_tbl[i_d++].data = SDRAM_DGENERIC | cplb_pageflags;
 		i_tbl[i_i].addr = addr;
-		i_tbl[i_i++].data = SDRAM_IGENERIC | PAGE_SIZE_4MB;
+		i_tbl[i_i++].data = SDRAM_IGENERIC | cplb_pageflags;
 	}
 
 #ifdef CONFIG_ROMKERNEL
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c
index e854f9066cb..79cc0f6dcdd 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbmgr.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbmgr.c
@@ -145,7 +145,7 @@ MGR_ATTR static int dcplb_miss(int cpu)
 	unsigned long addr = bfin_read_DCPLB_FAULT_ADDR();
 	int status = bfin_read_DCPLB_STATUS();
 	int idx;
-	unsigned long d_data, base, addr1, eaddr;
+	unsigned long d_data, base, addr1, eaddr, cplb_pagesize, cplb_pageflags;
 
 	nr_dcplb_miss[cpu]++;
 	if (unlikely(status & FAULT_USERSUPV))
@@ -167,18 +167,37 @@ MGR_ATTR static int dcplb_miss(int cpu)
 	if (unlikely(d_data == 0))
 		return CPLB_NO_ADDR_MATCH;
 
-	addr1 = addr & ~(SIZE_4M - 1);
 	addr &= ~(SIZE_1M - 1);
 	d_data |= PAGE_SIZE_1MB;
-	if (addr1 >= base && (addr1 + SIZE_4M) <= eaddr) {
+
+	/* BF60x support large than 4M CPLB page size */
+#ifdef PAGE_SIZE_16MB
+	cplb_pageflags = PAGE_SIZE_16MB;
+	cplb_pagesize = SIZE_16M;
+#else
+	cplb_pageflags = PAGE_SIZE_4MB;
+	cplb_pagesize = SIZE_4M;
+#endif
+
+find_pagesize:
+	addr1 = addr & ~(cplb_pagesize - 1);
+	if (addr1 >= base && (addr1 + cplb_pagesize) <= eaddr) {
 		/*
 		 * This works because
 		 * (PAGE_SIZE_4MB & PAGE_SIZE_1MB) == PAGE_SIZE_1MB.
 		 */
-		d_data |= PAGE_SIZE_4MB;
+		d_data |= cplb_pageflags;
 		addr = addr1;
+		goto found_pagesize;
+	} else {
+		if (cplb_pagesize > SIZE_4M) {
+			cplb_pageflags = PAGE_SIZE_4MB;
+			cplb_pagesize = SIZE_4M;
+			goto find_pagesize;
+		}
 	}
 
+found_pagesize:
 #ifdef CONFIG_BF60x
 	if ((addr >= ASYNC_BANK0_BASE)
 		&& (addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE))
diff --git a/arch/blackfin/kernel/cplbinfo.c b/arch/blackfin/kernel/cplbinfo.c
index 404045dcc5e..5b80d59e66e 100644
--- a/arch/blackfin/kernel/cplbinfo.c
+++ b/arch/blackfin/kernel/cplbinfo.c
@@ -17,8 +17,13 @@
 #include <asm/cplbinit.h>
 #include <asm/blackfin.h>
 
-static char const page_strtbl[][3] = { "1K", "4K", "1M", "4M" };
-#define page(flags)    (((flags) & 0x30000) >> 16)
+static char const page_strtbl[][4] = {
+	"1K", "4K", "1M", "4M",
+#ifdef CONFIG_BF60x
+	"16K", "64K", "16M", "64M",
+#endif
+};
+#define page(flags)    (((flags) & 0x70000) >> 16)
 #define strpage(flags) page_strtbl[page(flags)]
 
 struct cplbinfo_data {
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index fb96e607adc..107b306b06f 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -1314,7 +1314,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 			seq_printf(m, "(Compiled for Rev %d)", bfin_compiled_revid());
 	}
 
-	seq_printf(m, "\ncpu MHz\t\t: %lu.%03lu/%lu.%03lu\n",
+	seq_printf(m, "\ncpu MHz\t\t: %lu.%06lu/%lu.%06lu\n",
 		cclk/1000000, cclk%1000000,
 		sclk/1000000, sclk%1000000);
 	seq_printf(m, "bogomips\t: %lu.%02lu\n"
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index 95114ed395a..6a3a14bcd3a 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -455,6 +455,7 @@ static struct platform_device bfin_async_nand_device = {
 static void bfin_plat_nand_init(void)
 {
 	gpio_request(BFIN_NAND_PLAT_READY, "bfin_nand_plat");
+	gpio_direction_input(BFIN_NAND_PLAT_READY);
 }
 #else
 static void bfin_plat_nand_init(void) {}
diff --git a/arch/blackfin/mach-bf538/boards/ezkit.c b/arch/blackfin/mach-bf538/boards/ezkit.c
index a4fce0370c1..755f0dc1201 100644
--- a/arch/blackfin/mach-bf538/boards/ezkit.c
+++ b/arch/blackfin/mach-bf538/boards/ezkit.c
@@ -764,7 +764,6 @@ static struct platform_device i2c_bfin_twi1_device = {
 	.num_resources = ARRAY_SIZE(bfin_twi1_resource),
 	.resource = bfin_twi1_resource,
 };
-#endif	/* CONFIG_BF542 */
 #endif	/* CONFIG_I2C_BLACKFIN_TWI */
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
diff --git a/arch/blackfin/mach-bf609/include/mach/cdefBF60x_base.h b/arch/blackfin/mach-bf609/include/mach/cdefBF60x_base.h
index 4954cf3f7e1..102ee4025ac 100644
--- a/arch/blackfin/mach-bf609/include/mach/cdefBF60x_base.h
+++ b/arch/blackfin/mach-bf609/include/mach/cdefBF60x_base.h
@@ -312,6 +312,8 @@
 #define bfin_write_DMC0_EMR1(val) bfin_write32(DMC0_EMR1, val)
 #define bfin_read_DMC0_CTL() bfin_read32(DMC0_CTL)
 #define bfin_write_DMC0_CTL(val) bfin_write32(DMC0_CTL, val)
+#define bfin_read_DMC0_EFFCTL() bfin_read32(DMC0_EFFCTL)
+#define bfin_write_DMC0_EFFCTL(val) bfin_write32(DMC0_EFFCTL, val)
 #define bfin_read_DMC0_STAT() bfin_read32(DMC0_STAT)
 #define bfin_write_DMC0_STAT(val) bfin_write32(DMC0_STAT, val)
 #define bfin_read_DMC0_DLLCTL() bfin_read32(DMC0_DLLCTL)