---

yaml --- r: 453 b: refs/heads/master c: a134220 h: refs/heads/master i: 451: 01b70db v: v3
git-mirror · Apr 26, 2005 · d72b984 · d72b984
1 parent 9996a11
commit d72b984
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Showing 22 changed files with 305 additions and 313 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5523662c4cd585b892811d7bb3e25d9a787e19b3
+refs/heads/master: a1342206e192709a405485dbe2e647d5c4005d20
diff --git a/trunk/arch/arm/mach-pxa/sleep.S b/trunk/arch/arm/mach-pxa/sleep.S
@@ -18,6 +18,11 @@
 
 #include <asm/arch/pxa-regs.h>
 
+#ifdef CONFIG_PXA27x			// workaround for Errata 50
+#define MDREFR_KDIV	0x200a4000	// all banks
+#define CCCR_SLEEP	0x00000107	// L=7 2N=2 A=0 PPDIS=0 CPDIS=0
+#endif
+
 		.text
 
 /*
@@ -28,7 +33,9 @@
 
 ENTRY(pxa_cpu_suspend)
 
+#ifndef CONFIG_IWMMXT
 	mra	r2, r3, acc0
+#endif
 	stmfd	sp!, {r2 - r12, lr}		@ save registers on stack
 
 	@ get coprocessor registers
@@ -61,14 +68,23 @@ ENTRY(pxa_cpu_suspend)
 	@ prepare value for sleep mode
 	mov	r1, #3				@ sleep mode
 
-	@ prepare to put SDRAM into self-refresh manually
+	@ prepare pointer to physical address 0 (virtual mapping in generic.c)
+	mov	r2, #UNCACHED_PHYS_0
+
+	@ prepare SDRAM refresh settings
 	ldr	r4, =MDREFR
 	ldr	r5, [r4]
+
+	@ enable SDRAM self-refresh mode
 	orr	r5, r5, #MDREFR_SLFRSH
 
-	@ prepare pointer to physical address 0 (virtual mapping in generic.c)
-	mov	r2, #UNCACHED_PHYS_0
+#ifdef CONFIG_PXA27x
+	@ set SDCLKx divide-by-2 bits (this is part of a workaround for Errata 50)
+	ldr	r6, =MDREFR_KDIV
+	orr	r5, r5, r6
+#endif
 
+#ifdef CONFIG_PXA25x
 	@ Intel PXA255 Specification Update notes problems
 	@ about suspending with PXBus operating above 133MHz
 	@ (see Errata 31, GPIO output signals, ... unpredictable in sleep
@@ -100,6 +116,18 @@ ENTRY(pxa_cpu_suspend)
 	mov	r0, #0
 	mcr	p14, 0, r0, c6, c0, 0
 	orr	r0, r0, #2			@ initiate change bit
+#endif
+#ifdef CONFIG_PXA27x
+	@ Intel PXA270 Specification Update notes problems sleeping
+	@ with core operating above 91 MHz
+	@ (see Errata 50, ...processor does not exit from sleep...)
+
+	ldr	r6, =CCCR
+	ldr	r8, [r6]		@ keep original value for resume
+
+	ldr	r7, =CCCR_SLEEP		@ prepare CCCR sleep value
+	mov	r0, #0x2		@ prepare value for CLKCFG
+#endif
 
 	@ align execution to a cache line
 	b	1f
@@ -111,21 +139,35 @@ ENTRY(pxa_cpu_suspend)
 	@ All needed values are now in registers.
 	@ These last instructions should be in cache
 
+#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
 	@ initiate the frequency change...
 	str	r7, [r6]
 	mcr	p14, 0, r0, c6, c0, 0
 
 	@ restore the original cpu speed value for resume
 	str	r8, [r6]
 
-	@ put SDRAM into self-refresh
-	str	r5, [r4]
+	@ need 6 13-MHz cycles before changing PWRMODE
+	@ just set frequency to 91-MHz... 6*91/13 = 42
+
+	mov	r0, #42
+10:	subs	r0, r0, #1
+	bne	10b
+#endif
+
+	@ Do not reorder...
+	@ Intel PXA270 Specification Update notes problems performing
+	@ external accesses after SDRAM is put in self-refresh mode
+	@ (see Errata 39 ...hangs when entering self-refresh mode)
 
 	@ force address lines low by reading at physical address 0
 	ldr	r3, [r2]
 
+	@ put SDRAM into self-refresh
+	str	r5, [r4]
+
 	@ enter sleep mode
-	mcr	p14, 0, r1, c7, c0, 0
+	mcr	p14, 0, r1, c7, c0, 0		@ PWRMODE
 
 20:	b	20b				@ loop waiting for sleep
 
@@ -188,7 +230,9 @@ resume_after_mmu:
 	bl	cpu_xscale_proc_init
 #endif
 	ldmfd	sp!, {r2, r3}
+#ifndef CONFIG_IWMMXT
 	mar	acc0, r2, r3
+#endif
 	ldmfd	sp!, {r4 - r12, pc}		@ return to caller
 
 
diff --git a/trunk/drivers/i2c/busses/i2c-mpc.c b/trunk/drivers/i2c/busses/i2c-mpc.c
@@ -55,7 +55,7 @@
 #define CSR_RXAK 0x01
 
 struct mpc_i2c {
-	char *base;
+	void __iomem *base;
 	u32 interrupt;
 	wait_queue_head_t queue;
 	struct i2c_adapter adap;
@@ -444,7 +444,7 @@ static int fsl_i2c_probe(struct device *device)
 
       fail_add:
 	if (i2c->irq != 0)
-		free_irq(i2c->irq, 0);
+		free_irq(i2c->irq, NULL);
       fail_irq:
 	iounmap(i2c->base);
       fail_map:

diff --git a/trunk/drivers/serial/mpsc.c b/trunk/drivers/serial/mpsc.c
@@ -329,8 +329,8 @@ mpsc_sdma_stop(struct mpsc_port_info *pi)
 	mpsc_sdma_cmd(pi, SDMA_SDCM_AR | SDMA_SDCM_AT);
 
 	/* Clear the SDMA current and first TX and RX pointers */
-	mpsc_sdma_set_tx_ring(pi, 0);
-	mpsc_sdma_set_rx_ring(pi, 0);
+	mpsc_sdma_set_tx_ring(pi, NULL);
+	mpsc_sdma_set_rx_ring(pi, NULL);
 
 	/* Disable interrupts */
 	mpsc_sdma_intr_mask(pi, 0xf);
@@ -1540,8 +1540,8 @@ mpsc_shared_unmap_regs(void)
 			MPSC_SDMA_INTR_REG_BLOCK_SIZE);
 	}
 
-	mpsc_shared_regs.mpsc_routing_base = 0;
-	mpsc_shared_regs.sdma_intr_base = 0;
+	mpsc_shared_regs.mpsc_routing_base = NULL;
+	mpsc_shared_regs.sdma_intr_base = NULL;
 
 	mpsc_shared_regs.mpsc_routing_base_p = 0;
 	mpsc_shared_regs.sdma_intr_base_p = 0;
@@ -1678,9 +1678,9 @@ mpsc_drv_unmap_regs(struct mpsc_port_info *pi)
 		release_mem_region(pi->brg_base_p, MPSC_BRG_REG_BLOCK_SIZE);
 	}
 
-	pi->mpsc_base = 0;
-	pi->sdma_base = 0;
-	pi->brg_base = 0;
+	pi->mpsc_base = NULL;
+	pi->sdma_base = NULL;
+	pi->brg_base = NULL;
 
 	pi->mpsc_base_p = 0;
 	pi->sdma_base_p = 0;

diff --git a/trunk/drivers/serial/mpsc.h b/trunk/drivers/serial/mpsc.h
@@ -83,8 +83,8 @@ struct mpsc_shared_regs {
 	phys_addr_t mpsc_routing_base_p;
 	phys_addr_t sdma_intr_base_p;
 
-	void *mpsc_routing_base;
-	void *sdma_intr_base;
+	void __iomem *mpsc_routing_base;
+	void __iomem *sdma_intr_base;
 
 	u32 MPSC_MRR_m;
 	u32 MPSC_RCRR_m;
@@ -120,9 +120,9 @@ struct mpsc_port_info {
 	phys_addr_t brg_base_p;
 
 	/* Virtual addresses of various blocks of registers (from platform) */
-	void *mpsc_base;
-	void *sdma_base;
-	void *brg_base;
+	void __iomem *mpsc_base;
+	void __iomem *sdma_base;
+	void __iomem *brg_base;
 
 	/* Descriptor ring and buffer allocations */
 	void *dma_region;

diff --git a/trunk/fs/isofs/compress.c b/trunk/fs/isofs/compress.c
@@ -18,29 +18,12 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
-
-#include <linux/stat.h>
-#include <linux/time.h>
-#include <linux/iso_fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/errno.h>
 #include <linux/init.h>
-#include <linux/nls.h>
-#include <linux/ctype.h>
-#include <linux/smp_lock.h>
-#include <linux/blkdev.h>
+
 #include <linux/vmalloc.h>
 #include <linux/zlib.h>
-#include <linux/buffer_head.h>
-
-#include <asm/system.h>
-#include <asm/uaccess.h>
-#include <asm/semaphore.h>
 
+#include "isofs.h"
 #include "zisofs.h"
 
 /* This should probably be global. */

diff --git a/trunk/fs/isofs/dir.c b/trunk/fs/isofs/dir.c
@@ -10,20 +10,9 @@
  * 
  *  isofs directory handling functions
  */
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/iso_fs.h>
-#include <linux/kernel.h>
-#include <linux/stat.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/time.h>
 #include <linux/config.h>
 #include <linux/smp_lock.h>
-#include <linux/buffer_head.h>
-
-#include <asm/uaccess.h>
+#include "isofs.h"
 
 static int isofs_readdir(struct file *, void *, filldir_t);
 

diff --git a/trunk/fs/isofs/export.c b/trunk/fs/isofs/export.c
@@ -13,11 +13,7 @@
  *     fs/exportfs/expfs.c.
  */
 
-#include <linux/buffer_head.h>
-#include <linux/errno.h>
-#include <linux/fs.h>
-#include <linux/iso_fs.h>
-#include <linux/kernel.h>
+#include "isofs.h"
 
 static struct dentry *
 isofs_export_iget(struct super_block *sb,

diff --git a/trunk/fs/isofs/inode.c b/trunk/fs/isofs/inode.c
@@ -12,29 +12,18 @@
  */
 
 #include <linux/config.h>
+#include <linux/init.h>
 #include <linux/module.h>
 
-#include <linux/stat.h>
-#include <linux/time.h>
-#include <linux/iso_fs.h>
-#include <linux/kernel.h>
-#include <linux/major.h>
-#include <linux/mm.h>
-#include <linux/string.h>
 #include <linux/slab.h>
-#include <linux/errno.h>
-#include <linux/cdrom.h>
-#include <linux/init.h>
 #include <linux/nls.h>
 #include <linux/ctype.h>
 #include <linux/smp_lock.h>
-#include <linux/blkdev.h>
-#include <linux/buffer_head.h>
-#include <linux/vfs.h>
+#include <linux/statfs.h>
+#include <linux/cdrom.h>
 #include <linux/parser.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
 
+#include "isofs.h"
 #include "zisofs.h"
 
 #define BEQUIET