Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney...
authorLinus Torvalds <torvalds@woody.linux-foundation.org>
Sun, 29 Jul 2007 02:33:04 +0000 (19:33 -0700)
committerLinus Torvalds <torvalds@woody.linux-foundation.org>
Sun, 29 Jul 2007 02:33:04 +0000 (19:33 -0700)
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6:
  Input Serio: Blackfin doesnt support I8042 - make sure it doesnt get selected
  Blackfin arch: add BF54x I2C/TWI TWI0 driver support
  Blackfin On-Chip RTC driver update for supporting BF54x
  Blackfin Ethernet MAC driver: fix bug Report returned -ENOMEM upwards (in case L1/uncached memory alloc fails)
  Blackfin arch: add error message when IRQ no available
  Blackfin arch: Initialize the exception vectors early in the boot process
  Blackfin arch: fix a compiling warning about dma-mapping
  Blackfin arch: switch to using proper defines this time THREAD_SIZE and PAGE_SIZE instead of just PAGE_SIZE everywhere
  Blackfin arch: fix bug which unaligns the init thread's stack and causes the current macro to fail.
  Blackfin arch: Load P0 before storing through it
  Blackfin arch: fix KGDB bug, dont forget last parameter.
  Blackfin arch: add selections for BF544 and BF542
  Blackfin arch: use bfin_read_SWRST() now that BF561 provides it
  Blackfin arch: setup aliases for some core Core A MMRs

19 files changed:
arch/blackfin/Makefile
arch/blackfin/kernel/dma-mapping.c
arch/blackfin/kernel/setup.c
arch/blackfin/kernel/traps.c
arch/blackfin/kernel/vmlinux.lds.S
arch/blackfin/mach-bf561/head.S
arch/blackfin/mach-common/cacheinit.S
arch/blackfin/mach-common/ints-priority-dc.c
arch/blackfin/mach-common/ints-priority-sc.c
drivers/i2c/busses/Kconfig
drivers/input/serio/Kconfig
drivers/net/bfin_mac.c
drivers/rtc/rtc-bfin.c
include/asm-blackfin/bfin-global.h
include/asm-blackfin/mach-bf548/cdefBF54x_base.h
include/asm-blackfin/mach-bf548/irq.h
include/asm-blackfin/mach-bf561/cdefBF561.h
include/asm-blackfin/mach-bf561/defBF561.h
include/asm-blackfin/thread_info.h

index 1b75672..2084166 100644 (file)
@@ -24,6 +24,8 @@ machine-$(CONFIG_BF533) := bf533
 machine-$(CONFIG_BF534) := bf537
 machine-$(CONFIG_BF536) := bf537
 machine-$(CONFIG_BF537) := bf537
+machine-$(CONFIG_BF542) := bf548
+machine-$(CONFIG_BF544) := bf548
 machine-$(CONFIG_BF548) := bf548
 machine-$(CONFIG_BF549) := bf548
 machine-$(CONFIG_BF561) := bf561
@@ -36,6 +38,8 @@ cpu-$(CONFIG_BF533) := bf533
 cpu-$(CONFIG_BF534) := bf534
 cpu-$(CONFIG_BF536) := bf536
 cpu-$(CONFIG_BF537) := bf537
+cpu-$(CONFIG_BF542) := bf542
+cpu-$(CONFIG_BF544) := bf544
 cpu-$(CONFIG_BF548) := bf548
 cpu-$(CONFIG_BF549) := bf549
 cpu-$(CONFIG_BF561) := bf561
index ea48d5b..94d7b11 100644 (file)
@@ -160,7 +160,8 @@ dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
        BUG_ON(direction == DMA_NONE);
 
        for (i = 0; i < nents; i++, sg++) {
-               sg->dma_address = page_address(sg->page) + sg->offset;
+               sg->dma_address = (dma_addr_t)(page_address(sg->page) +
+                                       sg->offset);
 
                invalidate_dcache_range(sg_dma_address(sg),
                                        sg_dma_address(sg) +
index f59dcee..88f221b 100644 (file)
@@ -402,11 +402,7 @@ void __init setup_arch(char **cmdline_p)
        if (l1_length > L1_DATA_A_LENGTH)
                panic("L1 data memory overflow\n");
 
-#ifdef BF561_FAMILY
-       _bfin_swrst = bfin_read_SICA_SWRST();
-#else
        _bfin_swrst = bfin_read_SWRST();
-#endif
 
        /* Copy atomic sequences to their fixed location, and sanity check that
           these locations are the ones that we advertise to userspace.  */
@@ -429,6 +425,7 @@ void __init setup_arch(char **cmdline_p)
        BUG_ON((char *)&atomic_xor32 - (char *)&fixed_code_start
               != ATOMIC_XOR32 - FIXED_CODE_START);
 
+       init_exception_vectors();
        bf53x_cache_init();
 }
 
index 3909f5b..8766bd6 100644 (file)
@@ -140,7 +140,7 @@ asmlinkage void trap_c(struct pt_regs *fp)
 #ifdef CONFIG_KGDB
 # define CHK_DEBUGGER_TRAP() \
        do { \
-               CHK_DEBUGGER(trapnr, sig, info.si_code, fp); \
+               CHK_DEBUGGER(trapnr, sig, info.si_code, fp); \
        } while (0)
 # define CHK_DEBUGGER_TRAP_MAYBE() \
        do { \
index d06f860..fb53780 100644 (file)
@@ -32,6 +32,7 @@
 #include <asm-generic/vmlinux.lds.h>
 #include <asm/mem_map.h>
 #include <asm/page.h>
+#include <asm/thread_info.h>
 
 OUTPUT_FORMAT("elf32-bfin")
 ENTRY(__start)
@@ -64,8 +65,12 @@ SECTIONS
 
        .data :
        {
-               . = ALIGN(PAGE_SIZE);
+               /* make sure the init_task is aligned to the
+                * kernel thread size so we can locate the kernel
+                * stack properly and quickly.
+                */
                __sdata = .;
+               . = ALIGN(THREAD_SIZE);
                *(.data.init_task)
                DATA_DATA
                CONSTRUCTORS
@@ -73,14 +78,14 @@ SECTIONS
                . = ALIGN(32);
                *(.data.cacheline_aligned)
 
-               . = ALIGN(PAGE_SIZE);
+               . = ALIGN(THREAD_SIZE);
                __edata = .;
        }
 
-       . = ALIGN(PAGE_SIZE);
        ___init_begin = .;
        .init :
        {
+               . = ALIGN(PAGE_SIZE);
                __sinittext = .;
                *(.init.text)
                __einittext = .;
@@ -153,10 +158,9 @@ SECTIONS
                __ebss_b_l1 = .;
        }
 
-       . = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
-       ___init_end = ALIGN(PAGE_SIZE);
+       ___init_end = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
 
-       .bss ___init_end :
+       .bss LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1) :
        {
                . = ALIGN(4);
                ___bss_start = .;
index 2f08bcb..38650a6 100644 (file)
@@ -440,15 +440,15 @@ ENTRY(_bfin_reset)
        SSYNC;
 
        /* make sure SYSCR is set to use BMODE */
-       P0.h = hi(SICA_SYSCR);
-       P0.l = lo(SICA_SYSCR);
-       R0.l = 0x20;
+       P0.h = hi(SYSCR);
+       P0.l = lo(SYSCR);
+       R0.l = 0x20;            /* on BF561, disable core b */
        W[P0] = R0.l;
        SSYNC;
 
        /* issue a system soft reset */
-       P1.h = hi(SICA_SWRST);
-       P1.l = lo(SICA_SWRST);
+       P1.h = hi(SWRST);
+       P1.l = lo(SWRST);
        R1.l = 0x0007;
        W[P1] = R1;
        SSYNC;
index 9d47562..5be6b97 100644 (file)
@@ -60,6 +60,9 @@ ENDPROC(_bfin_write_IMEM_CONTROL)
 
 #if defined(CONFIG_BLKFIN_DCACHE)
 ENTRY(_bfin_write_DMEM_CONTROL)
+       P0.l = (DMEM_CONTROL & 0xFFFF);
+       P0.h = (DMEM_CONTROL >> 16);
+
        CLI R1;
        SSYNC;          /* SSYNC required before writing to DMEM_CONTROL. */
        .align 8;
index 6b9fd03..660f881 100644 (file)
@@ -358,26 +358,10 @@ static void bf561_demux_gpio_irq(unsigned int inta_irq,
 
 #endif                         /* CONFIG_IRQCHIP_DEMUX_GPIO */
 
-/*
- * This function should be called during kernel startup to initialize
- * the BFin IRQ handling routines.
- */
-int __init init_arch_irq(void)
+void __init init_exception_vectors(void)
 {
-       int irq;
-       unsigned long ilat = 0;
-       /*  Disable all the peripheral intrs  - page 4-29 HW Ref manual */
-       bfin_write_SICA_IMASK0(SIC_UNMASK_ALL);
-       bfin_write_SICA_IMASK1(SIC_UNMASK_ALL);
        SSYNC();
 
-       bfin_write_SICA_IWR0(IWR_ENABLE_ALL);
-       bfin_write_SICA_IWR1(IWR_ENABLE_ALL);
-
-       local_irq_disable();
-
-       init_exception_buff();
-
 #ifndef CONFIG_KGDB
        bfin_write_EVT0(evt_emulation);
 #endif
@@ -395,6 +379,27 @@ int __init init_arch_irq(void)
        bfin_write_EVT14(evt14_softirq);
        bfin_write_EVT15(evt_system_call);
        CSYNC();
+}
+
+/*
+ * This function should be called during kernel startup to initialize
+ * the BFin IRQ handling routines.
+ */
+int __init init_arch_irq(void)
+{
+       int irq;
+       unsigned long ilat = 0;
+       /*  Disable all the peripheral intrs  - page 4-29 HW Ref manual */
+       bfin_write_SICA_IMASK0(SIC_UNMASK_ALL);
+       bfin_write_SICA_IMASK1(SIC_UNMASK_ALL);
+       SSYNC();
+
+       bfin_write_SICA_IWR0(IWR_ENABLE_ALL);
+       bfin_write_SICA_IWR1(IWR_ENABLE_ALL);
+
+       local_irq_disable();
+
+       init_exception_buff();
 
        for (irq = 0; irq <= SYS_IRQS; irq++) {
                if (irq <= IRQ_CORETMR)
index 28a878c..4708023 100644 (file)
@@ -579,8 +579,12 @@ static unsigned int bfin_gpio_irq_startup(unsigned int irq)
        u16 gpionr = irq - IRQ_PA0;
        u8 pint_val = irq2pint_lut[irq - SYS_IRQS];
 
-       if (pint_val == IRQ_NOT_AVAIL)
+       if (pint_val == IRQ_NOT_AVAIL) {
+               printk(KERN_ERR
+               "GPIO IRQ %d :Not in PINT Assign table "
+               "Reconfigure Interrupt to Port Assignemt\n", irq);
                return -ENODEV;
+       }
 
        if (!(gpio_enabled[gpio_bank(gpionr)] & gpio_bit(gpionr))) {
                ret = gpio_request(gpionr, NULL);
@@ -713,6 +717,29 @@ static void bfin_demux_gpio_irq(unsigned int intb_irq,
 }
 #endif                         /* CONFIG_IRQCHIP_DEMUX_GPIO */
 
+void __init init_exception_vectors(void)
+{
+       SSYNC();
+
+#ifndef CONFIG_KGDB
+       bfin_write_EVT0(evt_emulation);
+#endif
+       bfin_write_EVT2(evt_evt2);
+       bfin_write_EVT3(trap);
+       bfin_write_EVT5(evt_ivhw);
+       bfin_write_EVT6(evt_timer);
+       bfin_write_EVT7(evt_evt7);
+       bfin_write_EVT8(evt_evt8);
+       bfin_write_EVT9(evt_evt9);
+       bfin_write_EVT10(evt_evt10);
+       bfin_write_EVT11(evt_evt11);
+       bfin_write_EVT12(evt_evt12);
+       bfin_write_EVT13(evt_evt13);
+       bfin_write_EVT14(evt14_softirq);
+       bfin_write_EVT15(evt_system_call);
+       CSYNC();
+}
+
 /*
  * This function should be called during kernel startup to initialize
  * the BFin IRQ handling routines.
@@ -733,29 +760,10 @@ int __init init_arch_irq(void)
        bfin_write_SIC_IMASK(SIC_UNMASK_ALL);
        bfin_write_SIC_IWR(IWR_ENABLE_ALL);
 #endif
-
        SSYNC();
 
        local_irq_disable();
 
-#ifndef CONFIG_KGDB
-       bfin_write_EVT0(evt_emulation);
-#endif
-       bfin_write_EVT2(evt_evt2);
-       bfin_write_EVT3(trap);
-       bfin_write_EVT5(evt_ivhw);
-       bfin_write_EVT6(evt_timer);
-       bfin_write_EVT7(evt_evt7);
-       bfin_write_EVT8(evt_evt8);
-       bfin_write_EVT9(evt_evt9);
-       bfin_write_EVT10(evt_evt10);
-       bfin_write_EVT11(evt_evt11);
-       bfin_write_EVT12(evt_evt12);
-       bfin_write_EVT13(evt_evt13);
-       bfin_write_EVT14(evt14_softirq);
-       bfin_write_EVT15(evt_system_call);
-       CSYNC();
-
 #if defined(CONFIG_IRQCHIP_DEMUX_GPIO) && defined(CONFIG_BF54x)
 #ifdef CONFIG_PINTx_REASSIGN
        pint[0]->assign = CONFIG_PINT0_ASSIGN;
index da16478..1842f52 100644 (file)
@@ -92,9 +92,9 @@ config I2C_AU1550
 
 config I2C_BLACKFIN_TWI
        tristate "Blackfin TWI I2C support"
-       depends on BF534 || BF536 || BF537
+       depends on BF534 || BF536 || BF537 || BF54x
        help
-         This is the TWI I2C device driver for Blackfin 534/536/537.
+         This is the TWI I2C device driver for Blackfin 534/536/537/54x.
          This driver can also be built as a module.  If so, the module
          will be called i2c-bfin-twi.
 
index adef447..5ce632c 100644 (file)
@@ -21,7 +21,7 @@ if SERIO
 config SERIO_I8042
        tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
        default y
-       depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && !M68K
+       depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && !M68K && !BFIN
        ---help---
          i8042 is the chip over which the standard AT keyboard and PS/2
          mouse are connected to the computer. If you use these devices,
index 9a08d65..2bb97d4 100644 (file)
@@ -798,6 +798,7 @@ static void bf537mac_shutdown(struct net_device *dev)
  */
 static int bf537mac_open(struct net_device *dev)
 {
+       int retval;
        pr_debug("%s: %s\n", dev->name, __FUNCTION__);
 
        /*
@@ -811,7 +812,10 @@ static int bf537mac_open(struct net_device *dev)
        }
 
        /* initial rx and tx list */
-       desc_list_init();
+       retval = desc_list_init();
+
+       if (retval)
+               return retval;
 
        bf537mac_setphy(dev);
        setup_system_regs(dev);
index 260ead9..1aa709d 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Blackfin On-Chip Real Time Clock Driver
- *  Supports BF531/BF532/BF533/BF534/BF536/BF537
+ *  Supports BF53[123]/BF53[467]/BF54[2489]
  *
  * Copyright 2004-2007 Analog Devices Inc.
  *
index c4d6cbb..a970781 100644 (file)
@@ -61,6 +61,7 @@ extern void bfin_dcache_init(void);
 extern int read_iloc(void);
 extern int bfin_console_init(void);
 extern asmlinkage void lower_to_irq14(void);
+extern void init_exception_vectors(void);
 extern void init_dma(void);
 extern void program_IAR(void);
 extern void evt14_softirq(void);
index 98d35a9..cdf29e7 100644 (file)
@@ -242,6 +242,39 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
 #define bfin_read_TWI0_RCV_DATA16()            bfin_read16(TWI0_RCV_DATA16)
 #define bfin_write_TWI0_RCV_DATA16(val)                bfin_write16(TWI0_RCV_DATA16, val)
 
+#define bfin_read_TWI_CLKDIV()                 bfin_read16(TWI0_CLKDIV)
+#define bfin_write_TWI_CLKDIV(val)             bfin_write16(TWI0_CLKDIV, val)
+#define bfin_read_TWI_CONTROL()                        bfin_read16(TWI0_CONTROL)
+#define bfin_write_TWI_CONTROL(val)            bfin_write16(TWI0_CONTROL, val)
+#define bfin_read_TWI_SLAVE_CTRL()             bfin_read16(TWI0_SLAVE_CTRL)
+#define bfin_write_TWI_SLAVE_CTRL(val)         bfin_write16(TWI0_SLAVE_CTRL, val)
+#define bfin_read_TWI_SLAVE_STAT()             bfin_read16(TWI0_SLAVE_STAT)
+#define bfin_write_TWI_SLAVE_STAT(val)         bfin_write16(TWI0_SLAVE_STAT, val)
+#define bfin_read_TWI_SLAVE_ADDR()             bfin_read16(TWI0_SLAVE_ADDR)
+#define bfin_write_TWI_SLAVE_ADDR(val)         bfin_write16(TWI0_SLAVE_ADDR, val)
+#define bfin_read_TWI_MASTER_CTL()             bfin_read16(TWI0_MASTER_CTRL)
+#define bfin_write_TWI_MASTER_CTL(val)         bfin_write16(TWI0_MASTER_CTRL, val)
+#define bfin_read_TWI_MASTER_STAT()            bfin_read16(TWI0_MASTER_STAT)
+#define bfin_write_TWI_MASTER_STAT(val)                bfin_write16(TWI0_MASTER_STAT, val)
+#define bfin_read_TWI_MASTER_ADDR()            bfin_read16(TWI0_MASTER_ADDR)
+#define bfin_write_TWI_MASTER_ADDR(val)                bfin_write16(TWI0_MASTER_ADDR, val)
+#define bfin_read_TWI_INT_STAT()               bfin_read16(TWI0_INT_STAT)
+#define bfin_write_TWI_INT_STAT(val)           bfin_write16(TWI0_INT_STAT, val)
+#define bfin_read_TWI_INT_MASK()               bfin_read16(TWI0_INT_MASK)
+#define bfin_write_TWI_INT_MASK(val)           bfin_write16(TWI0_INT_MASK, val)
+#define bfin_read_TWI_FIFO_CTL()               bfin_read16(TWI0_FIFO_CTRL)
+#define bfin_write_TWI_FIFO_CTL(val)           bfin_write16(TWI0_FIFO_CTRL, val)
+#define bfin_read_TWI_FIFO_STAT()              bfin_read16(TWI0_FIFO_STAT)
+#define bfin_write_TWI_FIFO_STAT(val)          bfin_write16(TWI0_FIFO_STAT, val)
+#define bfin_read_TWI_XMT_DATA8()              bfin_read16(TWI0_XMT_DATA8)
+#define bfin_write_TWI_XMT_DATA8(val)          bfin_write16(TWI0_XMT_DATA8, val)
+#define bfin_read_TWI_XMT_DATA16()             bfin_read16(TWI0_XMT_DATA16)
+#define bfin_write_TWI_XMT_DATA16(val)         bfin_write16(TWI0_XMT_DATA16, val)
+#define bfin_read_TWI_RCV_DATA8()              bfin_read16(TWI0_RCV_DATA8)
+#define bfin_write_TWI_RCV_DATA8(val)          bfin_write16(TWI0_RCV_DATA8, val)
+#define bfin_read_TWI_RCV_DATA16()             bfin_read16(TWI0_RCV_DATA16)
+#define bfin_write_TWI_RCV_DATA16(val)         bfin_write16(TWI0_RCV_DATA16, val)
+
 /* SPORT0 is not defined in the shared file because it is not available on the ADSP-BF542 and ADSP-BF544 bfin_read_()rocessors */
 
 /* SPORT1 Registers */
index 0b3325b..e548d3c 100644 (file)
@@ -112,6 +112,7 @@ Events         (highest priority)  EMU         0
 #define IRQ_ATAPI_TX   BFIN_IRQ(44)    /* ATAPI TX (DMA11) Interrupt */
 #define IRQ_TWI0       BFIN_IRQ(45)    /* TWI0 Interrupt */
 #define IRQ_TWI1       BFIN_IRQ(46)    /* TWI1 Interrupt */
+#define IRQ_TWI                IRQ_TWI0        /* TWI Interrupt */
 #define IRQ_CAN0_RX    BFIN_IRQ(47)    /* CAN0 Receive Interrupt */
 #define IRQ_CAN0_TX    BFIN_IRQ(48)    /* CAN0 Transmit Interrupt */
 #define IRQ_MDMAS2     BFIN_IRQ(49)    /* MDMA Stream 2 Interrupt */
index 1a8ec9e..6e87ab2 100644 (file)
@@ -81,6 +81,12 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val)
 #define bfin_write_PLL_LOCKCNT(val)          bfin_write16(PLL_LOCKCNT,val)
 #define bfin_read_CHIPID()                   bfin_read32(CHIPID)
 
+/* For MMR's that are reserved on Core B, set up defines to better integrate with other ports */
+#define bfin_read_SWRST()                    bfin_read_SICA_SWRST()
+#define bfin_write_SWRST()                   bfin_write_SICA_SWRST()
+#define bfin_read_SYSCR()                    bfin_read_SICA_SYSCR()
+#define bfin_write_SYSCR()                   bfin_write_SICA_SYSCR()
+
 /* System Reset and Interrupt Controller registers for core A (0xFFC0 0100-0xFFC0 01FF) */
 #define bfin_read_SICA_SWRST()               bfin_read16(SICA_SWRST)
 #define bfin_write_SICA_SWRST(val)           bfin_write16(SICA_SWRST,val)
index 89150ec..0f2dc6e 100644 (file)
 #define PLL_LOCKCNT            0xFFC00010      /* PLL Lock Count register (16-bit) */
 #define CHIPID                 0xFFC00014       /* Chip ID Register */
 
+/* For MMR's that are reserved on Core B, set up defines to better integrate with other ports */
+#define SWRST                   SICA_SWRST
+#define SYSCR                   SICA_SYSCR
+
 /* System Reset and Interrupt Controller registers for core A (0xFFC0 0100-0xFFC0 01FF) */
 #define SICA_SWRST              0xFFC00100     /* Software Reset register */
 #define SICA_SYSCR              0xFFC00104     /* System Reset Configuration register */
index fa8f08c..34d3c2e 100644 (file)
  */
 #define ALIGN_PAGE_MASK         0xffffe000
 
+/*
+ * Size of kernel stack for each process. This must be a power of 2...
+ */
+#define THREAD_SIZE            8192    /* 2 pages */
+
 #ifndef __ASSEMBLY__
 
 typedef unsigned long mm_segment_t;
@@ -76,11 +81,6 @@ struct thread_info {
 #define init_thread_info       (init_thread_union.thread_info)
 #define init_stack             (init_thread_union.stack)
 
-/*
- * Size of kernel stack for each process. This must be a power of 2...
- */
-#define THREAD_SIZE            8192    /* 2 pages */
-
 /* How to get the thread information struct from C */
 
 static inline struct thread_info *current_thread_info(void)
@@ -94,7 +94,7 @@ static inline struct thread_info *current_thread_info(void)
        struct thread_info *ti;
       __asm__("%0 = sp;": "=&d"(ti):
        );
-       return (struct thread_info *)((long)ti & ~8191UL);
+       return (struct thread_info *)((long)ti & ~((long)THREAD_SIZE-1));
 }
 
 /* thread information allocation */