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提交 e3ad1c23 编写于 作者: P Pete Popov 提交者： Ralf Baechle
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Base Au1200 2.6 support. 

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
上级 784f7b9d
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Showing with 1796 addition and 182 deletion
arch/mips/Kconfig
浏览文件 @ e3ad1c23
......@@ -642,6 +642,10 @@ config SGI_IP32
help
If you want this kernel to run on SGI O2 workstation, say Y here.
config SOC_AU1200
bool
select SOC_AU1X00
config SOC_AU1X00
bool "Support for AMD/Alchemy Au1X00 SOCs"
select SYS_SUPPORTS_32BIT_KERNEL
......@@ -702,6 +706,13 @@ config MIPS_PB1550
select HW_HAS_PCI
select MIPS_DISABLE_OBSOLETE_IDE
config MIPS_PB1200
bool "AMD Alchemy PB1200 board"
select SOC_AU1200
select DMA_NONCOHERENT
select MIPS_DISABLE_OBSOLETE_IDE
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_DB1000
bool "DB1000 board"
depends on SOC_AU1000
......@@ -732,6 +743,13 @@ config MIPS_BOSPORUS
depends on SOC_AU1500
select DMA_NONCOHERENT
config MIPS_DB1200
bool "AMD Alchemy DB1200 board"
select SOC_AU1200
select DMA_NONCOHERENT
select MIPS_DISABLE_OBSOLETE_IDE
select SYS_SUPPORTS_LITTLE_ENDIAN
config MIPS_MIRAGE
bool "Mirage board"
depends on SOC_AU1500
......
arch/mips/Makefile
浏览文件 @ e3ad1c23
......@@ -265,6 +265,13 @@ libs-$(CONFIG_MIPS_PB1550) += arch/mips/au1000/pb1550/
cflags-$(CONFIG_MIPS_PB1550) += -Iinclude/asm-mips/mach-pb1x00
load-$(CONFIG_MIPS_PB1550) += 0xffffffff80100000
#
# AMD Alchemy Pb1200 eval board
#
libs-$(CONFIG_MIPS_PB1200) += arch/mips/au1000/pb1200/
cflags-$(CONFIG_MIPS_PB1200) += -Iinclude/asm-mips/mach-pb1x00
load-$(CONFIG_MIPS_PB1200) += 0xffffffff80100000
#
# AMD Alchemy Db1000 eval board
#
......@@ -293,6 +300,13 @@ libs-$(CONFIG_MIPS_DB1550) += arch/mips/au1000/db1x00/
cflags-$(CONFIG_MIPS_DB1550) += -Iinclude/asm-mips/mach-db1x00
load-$(CONFIG_MIPS_DB1550) += 0xffffffff80100000
#
# AMD Alchemy Db1200 eval board
#
libs-$(CONFIG_MIPS_DB1200) += arch/mips/au1000/pb1200/
cflags-$(CONFIG_MIPS_DB1200) += -Iinclude/asm-mips/mach-db1x00
load-$(CONFIG_MIPS_DB1200) += 0xffffffff80100000
#
# AMD Alchemy Bosporus eval board
#
......
arch/mips/au1000/common/au1xxx_irqmap.c
浏览文件 @ e3ad1c23
......@@ -173,14 +173,14 @@ au1xxx_irq_map_t au1xxx_ic0_map[] = {
{ AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
{ AU1550_RTC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
{ AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0},
{ AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
......@@ -201,14 +201,14 @@ au1xxx_irq_map_t au1xxx_ic0_map[] = {
{ AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
{ AU1200_RTC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH2_INT, INTC_INT_RISE_EDGE, 1 },
{ AU1000_RTC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0},
{ AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
......
arch/mips/au1000/common/cputable.c
浏览文件 @ e3ad1c23
......@@ -37,7 +37,8 @@ struct cpu_spec cpu_specs[] = {
{ 0xffffffff, 0x02030203, "Au1100 BD", 0, 1 },
{ 0xffffffff, 0x02030204, "Au1100 BE", 0, 1 },
{ 0xffffffff, 0x03030200, "Au1550 AA", 0, 1 },
{ 0xffffffff, 0x04030200, "Au1200 AA", 0, 1 },
{ 0xffffffff, 0x04030200, "Au1200 AB", 0, 0 },
{ 0xffffffff, 0x04030201, "Au1200 AC", 0, 1 },
{ 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0 },
};
......
arch/mips/au1000/common/dbdma.c
浏览文件 @ e3ad1c23
......@@ -29,6 +29,7 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/errno.h>
......@@ -42,6 +43,8 @@
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#include <asm/system.h>
/* #include <linux/module.h> */
#if defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200)
/*
......@@ -55,43 +58,16 @@
* functions. The drivers allocate the data buffers and assign them
* to the descriptors.
*/
static DEFINE_SPINLOCK(au1xxx_dbdma_spin_lock);
static spinlock_t au1xxx_dbdma_spin_lock = SPIN_LOCK_UNLOCKED;
/* I couldn't find a macro that did this......
*/
#define ALIGN_ADDR(x, a) ((((u32)(x)) + (a-1)) & ~(a-1))
static volatile dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE;
static int dbdma_initialized;
static dbdma_global_t *dbdma_gptr = (dbdma_global_t *)DDMA_GLOBAL_BASE;
static int dbdma_initialized=0;
static void au1xxx_dbdma_init(void);
typedef struct dbdma_device_table {
u32 dev_id;
u32 dev_flags;
u32 dev_tsize;
u32 dev_devwidth;
u32 dev_physaddr; /* If FIFO */
u32 dev_intlevel;
u32 dev_intpolarity;
} dbdev_tab_t;
typedef struct dbdma_chan_config {
u32 chan_flags;
u32 chan_index;
dbdev_tab_t *chan_src;
dbdev_tab_t *chan_dest;
au1x_dma_chan_t *chan_ptr;
au1x_ddma_desc_t *chan_desc_base;
au1x_ddma_desc_t *get_ptr, *put_ptr, *cur_ptr;
void *chan_callparam;
void (*chan_callback)(int, void *, struct pt_regs *);
} chan_tab_t;
#define DEV_FLAGS_INUSE (1 << 0)
#define DEV_FLAGS_ANYUSE (1 << 1)
#define DEV_FLAGS_OUT (1 << 2)
#define DEV_FLAGS_IN (1 << 3)
static dbdev_tab_t dbdev_tab[] = {
#ifdef CONFIG_SOC_AU1550
/* UARTS */
......@@ -157,13 +133,13 @@ static dbdev_tab_t dbdev_tab[] = {
{ DSCR_CMD0_MAE_BOTH, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_LCD, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_SDMS_TX0, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_SDMS_RX0, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_SDMS_TX1, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_SDMS_RX1, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_SDMS_TX0, DEV_FLAGS_OUT, 4, 8, 0x10600000, 0, 0 },
{ DSCR_CMD0_SDMS_RX0, DEV_FLAGS_IN, 4, 8, 0x10600004, 0, 0 },
{ DSCR_CMD0_SDMS_TX1, DEV_FLAGS_OUT, 4, 8, 0x10680000, 0, 0 },
{ DSCR_CMD0_SDMS_RX1, DEV_FLAGS_IN, 4, 8, 0x10680004, 0, 0 },
{ DSCR_CMD0_AES_TX, DEV_FLAGS_OUT, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_AES_RX, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_AES_RX, DEV_FLAGS_IN , 4, 32, 0x10300008, 0, 0 },
{ DSCR_CMD0_AES_TX, DEV_FLAGS_OUT, 4, 32, 0x10300004, 0, 0 },
{ DSCR_CMD0_PSC0_TX, DEV_FLAGS_OUT, 0, 0, 0x11a0001c, 0, 0 },
{ DSCR_CMD0_PSC0_RX, DEV_FLAGS_IN, 0, 0, 0x11a0001c, 0, 0 },
......@@ -173,9 +149,9 @@ static dbdev_tab_t dbdev_tab[] = {
{ DSCR_CMD0_PSC1_RX, DEV_FLAGS_IN, 0, 0, 0x11b0001c, 0, 0 },
{ DSCR_CMD0_PSC1_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_CIM_RXA, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_CIM_RXB, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_CIM_RXC, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_CIM_RXA, DEV_FLAGS_IN, 0, 32, 0x14004020, 0, 0 },
{ DSCR_CMD0_CIM_RXB, DEV_FLAGS_IN, 0, 32, 0x14004040, 0, 0 },
{ DSCR_CMD0_CIM_RXC, DEV_FLAGS_IN, 0, 32, 0x14004060, 0, 0 },
{ DSCR_CMD0_CIM_SYNC, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_NAND_FLASH, DEV_FLAGS_IN, 0, 0, 0x00000000, 0, 0 },
......@@ -184,6 +160,24 @@ static dbdev_tab_t dbdev_tab[] = {
{ DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
{ DSCR_CMD0_ALWAYS, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 },
/* Provide 16 user definable device types */
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0 },
};
#define DBDEV_TAB_SIZE (sizeof(dbdev_tab) / sizeof(dbdev_tab_t))
......@@ -203,6 +197,30 @@ find_dbdev_id (u32 id)
return NULL;
}
u32
au1xxx_ddma_add_device(dbdev_tab_t *dev)
{
u32 ret = 0;
dbdev_tab_t *p=NULL;
static u16 new_id=0x1000;
p = find_dbdev_id(0);
if ( NULL != p )
{
memcpy(p, dev, sizeof(dbdev_tab_t));
p->dev_id = DSCR_DEV2CUSTOM_ID(new_id,dev->dev_id);
ret = p->dev_id;
new_id++;
#if 0
printk("add_device: id:%x flags:%x padd:%x\n",
p->dev_id, p->dev_flags, p->dev_physaddr );
#endif
}
return ret;
}
EXPORT_SYMBOL(au1xxx_ddma_add_device);
/* Allocate a channel and return a non-zero descriptor if successful.
*/
u32
......@@ -215,7 +233,7 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
int i;
dbdev_tab_t *stp, *dtp;
chan_tab_t *ctp;
volatile au1x_dma_chan_t *cp;
au1x_dma_chan_t *cp;
/* We do the intialization on the first channel allocation.
* We have to wait because of the interrupt handler initialization
......@@ -225,9 +243,6 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
au1xxx_dbdma_init();
dbdma_initialized = 1;
if ((srcid > DSCR_NDEV_IDS) || (destid > DSCR_NDEV_IDS))
return 0;
if ((stp = find_dbdev_id(srcid)) == NULL) return 0;
if ((dtp = find_dbdev_id(destid)) == NULL) return 0;
......@@ -269,9 +284,9 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
/* If kmalloc fails, it is caught below same
* as a channel not available.
*/
ctp = kmalloc(sizeof(chan_tab_t), GFP_KERNEL);
ctp = (chan_tab_t *)
kmalloc(sizeof(chan_tab_t), GFP_KERNEL);
chan_tab_ptr[i] = ctp;
ctp->chan_index = chan = i;
break;
}
}
......@@ -279,10 +294,11 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
if (ctp != NULL) {
memset(ctp, 0, sizeof(chan_tab_t));
ctp->chan_index = chan = i;
dcp = DDMA_CHANNEL_BASE;
dcp += (0x0100 * chan);
ctp->chan_ptr = (au1x_dma_chan_t *)dcp;
cp = (volatile au1x_dma_chan_t *)dcp;
cp = (au1x_dma_chan_t *)dcp;
ctp->chan_src = stp;
ctp->chan_dest = dtp;
ctp->chan_callback = callback;
......@@ -299,6 +315,9 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
i |= DDMA_CFG_DED;
if (dtp->dev_intpolarity)
i |= DDMA_CFG_DP;
if ((stp->dev_flags & DEV_FLAGS_SYNC) ||
(dtp->dev_flags & DEV_FLAGS_SYNC))
i |= DDMA_CFG_SYNC;
cp->ddma_cfg = i;
au_sync();
......@@ -309,14 +328,14 @@ au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
rv = (u32)(&chan_tab_ptr[chan]);
}
else {
/* Release devices.
*/
/* Release devices */
stp->dev_flags &= ~DEV_FLAGS_INUSE;
dtp->dev_flags &= ~DEV_FLAGS_INUSE;
}
}
return rv;
}
EXPORT_SYMBOL(au1xxx_dbdma_chan_alloc);
/* Set the device width if source or destination is a FIFO.
* Should be 8, 16, or 32 bits.
......@@ -344,6 +363,7 @@ au1xxx_dbdma_set_devwidth(u32 chanid, int bits)
return rv;
}
EXPORT_SYMBOL(au1xxx_dbdma_set_devwidth);
/* Allocate a descriptor ring, initializing as much as possible.
*/
......@@ -370,7 +390,8 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
* and if we try that first we are likely to not waste larger
* slabs of memory.
*/
desc_base = (u32)kmalloc(entries * sizeof(au1x_ddma_desc_t), GFP_KERNEL);
desc_base = (u32)kmalloc(entries * sizeof(au1x_ddma_desc_t),
GFP_KERNEL|GFP_DMA);
if (desc_base == 0)
return 0;
......@@ -381,7 +402,7 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
kfree((const void *)desc_base);
i = entries * sizeof(au1x_ddma_desc_t);
i += (sizeof(au1x_ddma_desc_t) - 1);
if ((desc_base = (u32)kmalloc(i, GFP_KERNEL)) == 0)
if ((desc_base = (u32)kmalloc(i, GFP_KERNEL|GFP_DMA)) == 0)
return 0;
desc_base = ALIGN_ADDR(desc_base, sizeof(au1x_ddma_desc_t));
......@@ -461,9 +482,14 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
/* If source input is fifo, set static address.
*/
if (stp->dev_flags & DEV_FLAGS_IN) {
src0 = stp->dev_physaddr;
if ( stp->dev_flags & DEV_FLAGS_BURSTABLE )
src1 |= DSCR_SRC1_SAM(DSCR_xAM_BURST);
else
src1 |= DSCR_SRC1_SAM(DSCR_xAM_STATIC);
}
if (stp->dev_physaddr)
src0 = stp->dev_physaddr;
/* Set up dest1. For now, assume no stride and increment.
* A channel attribute update can change this later.
......@@ -487,10 +513,18 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
/* If destination output is fifo, set static address.
*/
if (dtp->dev_flags & DEV_FLAGS_OUT) {
dest0 = dtp->dev_physaddr;
if ( dtp->dev_flags & DEV_FLAGS_BURSTABLE )
dest1 |= DSCR_DEST1_DAM(DSCR_xAM_BURST);
else
dest1 |= DSCR_DEST1_DAM(DSCR_xAM_STATIC);
}
if (dtp->dev_physaddr)
dest0 = dtp->dev_physaddr;
#if 0
printk("did:%x sid:%x cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
dtp->dev_id, stp->dev_id, cmd0, cmd1, src0, src1, dest0, dest1 );
#endif
for (i=0; i<entries; i++) {
dp->dscr_cmd0 = cmd0;
dp->dscr_cmd1 = cmd1;
......@@ -499,6 +533,7 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
dp->dscr_dest0 = dest0;
dp->dscr_dest1 = dest1;
dp->dscr_stat = 0;
dp->sw_context = dp->sw_status = 0;
dp->dscr_nxtptr = DSCR_NXTPTR(virt_to_phys(dp + 1));
dp++;
}
......@@ -511,13 +546,14 @@ au1xxx_dbdma_ring_alloc(u32 chanid, int entries)
return (u32)(ctp->chan_desc_base);
}
EXPORT_SYMBOL(au1xxx_dbdma_ring_alloc);
/* Put a source buffer into the DMA ring.
* This updates the source pointer and byte count. Normally used
* for memory to fifo transfers.
*/
u32
au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes)
_au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags)
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
......@@ -544,24 +580,40 @@ au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes)
*/
dp->dscr_source0 = virt_to_phys(buf);
dp->dscr_cmd1 = nbytes;
dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */
ctp->chan_ptr->ddma_dbell = 0xffffffff; /* Make it go */
/* Check flags */
if (flags & DDMA_FLAGS_IE)
dp->dscr_cmd0 |= DSCR_CMD0_IE;
if (flags & DDMA_FLAGS_NOIE)
dp->dscr_cmd0 &= ~DSCR_CMD0_IE;
/* Get next descriptor pointer.
*/
ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
/*
* There is an errata on the Au1200/Au1550 parts that could result
* in "stale" data being DMA'd. It has to do with the snoop logic on
* the dache eviction buffer. NONCOHERENT_IO is on by default for
* these parts. If it is fixedin the future, these dma_cache_inv will
* just be nothing more than empty macros. See io.h.
* */
dma_cache_wback_inv(buf,nbytes);
dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */
au_sync();
dma_cache_wback_inv(dp, sizeof(dp));
ctp->chan_ptr->ddma_dbell = 0;
/* return something not zero.
*/
return nbytes;
}
EXPORT_SYMBOL(_au1xxx_dbdma_put_source);
/* Put a destination buffer into the DMA ring.
* This updates the destination pointer and byte count. Normally used
* to place an empty buffer into the ring for fifo to memory transfers.
*/
u32
au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes)
_au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags)
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
......@@ -583,11 +635,33 @@ au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes)
if (dp->dscr_cmd0 & DSCR_CMD0_V)
return 0;
/* Load up buffer address and byte count.
*/
/* Load up buffer address and byte count */
/* Check flags */
if (flags & DDMA_FLAGS_IE)
dp->dscr_cmd0 |= DSCR_CMD0_IE;
if (flags & DDMA_FLAGS_NOIE)
dp->dscr_cmd0 &= ~DSCR_CMD0_IE;
dp->dscr_dest0 = virt_to_phys(buf);
dp->dscr_cmd1 = nbytes;
#if 0
printk("cmd0:%x cmd1:%x source0:%x source1:%x dest0:%x dest1:%x\n",
dp->dscr_cmd0, dp->dscr_cmd1, dp->dscr_source0,
dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1 );
#endif
/*
* There is an errata on the Au1200/Au1550 parts that could result in
* "stale" data being DMA'd. It has to do with the snoop logic on the
* dache eviction buffer. NONCOHERENT_IO is on by default for these
* parts. If it is fixedin the future, these dma_cache_inv will just
* be nothing more than empty macros. See io.h.
* */
dma_cache_inv(buf,nbytes);
dp->dscr_cmd0 |= DSCR_CMD0_V; /* Let it rip */
au_sync();
dma_cache_wback_inv(dp, sizeof(dp));
ctp->chan_ptr->ddma_dbell = 0;
/* Get next descriptor pointer.
*/
......@@ -597,6 +671,7 @@ au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes)
*/
return nbytes;
}
EXPORT_SYMBOL(_au1xxx_dbdma_put_dest);
/* Get a destination buffer into the DMA ring.
* Normally used to get a full buffer from the ring during fifo
......@@ -646,7 +721,7 @@ void
au1xxx_dbdma_stop(u32 chanid)
{
chan_tab_t *ctp;
volatile au1x_dma_chan_t *cp;
au1x_dma_chan_t *cp;
int halt_timeout = 0;
ctp = *((chan_tab_t **)chanid);
......@@ -666,6 +741,7 @@ au1xxx_dbdma_stop(u32 chanid)
cp->ddma_stat |= (DDMA_STAT_DB | DDMA_STAT_V);
au_sync();
}
EXPORT_SYMBOL(au1xxx_dbdma_stop);
/* Start using the current descriptor pointer. If the dbdma encounters
* a not valid descriptor, it will stop. In this case, we can just
......@@ -675,17 +751,17 @@ void
au1xxx_dbdma_start(u32 chanid)
{
chan_tab_t *ctp;
volatile au1x_dma_chan_t *cp;
au1x_dma_chan_t *cp;
ctp = *((chan_tab_t **)chanid);
cp = ctp->chan_ptr;
cp->ddma_desptr = virt_to_phys(ctp->cur_ptr);
cp->ddma_cfg |= DDMA_CFG_EN; /* Enable channel */
au_sync();
cp->ddma_dbell = 0xffffffff; /* Make it go */
cp->ddma_dbell = 0;
au_sync();
}
EXPORT_SYMBOL(au1xxx_dbdma_start);
void
au1xxx_dbdma_reset(u32 chanid)
......@@ -704,15 +780,21 @@ au1xxx_dbdma_reset(u32 chanid)
do {
dp->dscr_cmd0 &= ~DSCR_CMD0_V;
/* reset our SW status -- this is used to determine
* if a descriptor is in use by upper level SW. Since
* posting can reset 'V' bit.
*/
dp->sw_status = 0;
dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
} while (dp != ctp->chan_desc_base);
}
EXPORT_SYMBOL(au1xxx_dbdma_reset);
u32
au1xxx_get_dma_residue(u32 chanid)
{
chan_tab_t *ctp;
volatile au1x_dma_chan_t *cp;
au1x_dma_chan_t *cp;
u32 rv;
ctp = *((chan_tab_t **)chanid);
......@@ -747,15 +829,16 @@ au1xxx_dbdma_chan_free(u32 chanid)
kfree(ctp);
}
EXPORT_SYMBOL(au1xxx_dbdma_chan_free);
static irqreturn_t
static void
dbdma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
{
u32 intstat;
u32 intstat, flags;
u32 chan_index;
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
volatile au1x_dma_chan_t *cp;
au1x_dma_chan_t *cp;
intstat = dbdma_gptr->ddma_intstat;
au_sync();
......@@ -774,19 +857,26 @@ dbdma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
(ctp->chan_callback)(irq, ctp->chan_callparam, regs);
ctp->cur_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
return IRQ_HANDLED;
}
static void
au1xxx_dbdma_init(void)
static void au1xxx_dbdma_init(void)
{
int irq_nr;
dbdma_gptr->ddma_config = 0;
dbdma_gptr->ddma_throttle = 0;
dbdma_gptr->ddma_inten = 0xffff;
au_sync();
if (request_irq(AU1550_DDMA_INT, dbdma_interrupt, SA_INTERRUPT,
#if defined(CONFIG_SOC_AU1550)
irq_nr = AU1550_DDMA_INT;
#elif defined(CONFIG_SOC_AU1200)
irq_nr = AU1200_DDMA_INT;
#else
#error Unknown Au1x00 SOC
#endif
if (request_irq(irq_nr, dbdma_interrupt, SA_INTERRUPT,
"Au1xxx dbdma", (void *)dbdma_gptr))
printk("Can't get 1550 dbdma irq");
}
......@@ -797,7 +887,8 @@ au1xxx_dbdma_dump(u32 chanid)
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
dbdev_tab_t *stp, *dtp;
volatile au1x_dma_chan_t *cp;
au1x_dma_chan_t *cp;
u32 i = 0;
ctp = *((chan_tab_t **)chanid);
stp = ctp->chan_src;
......@@ -822,15 +913,64 @@ au1xxx_dbdma_dump(u32 chanid)
dp = ctp->chan_desc_base;
do {
printk("dp %08x, cmd0 %08x, cmd1 %08x\n",
(u32)dp, dp->dscr_cmd0, dp->dscr_cmd1);
printk("src0 %08x, src1 %08x, dest0 %08x\n",
dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0);
printk("dest1 %08x, stat %08x, nxtptr %08x\n",
dp->dscr_dest1, dp->dscr_stat, dp->dscr_nxtptr);
printk("Dp[%d]= %08x, cmd0 %08x, cmd1 %08x\n",
i++, (u32)dp, dp->dscr_cmd0, dp->dscr_cmd1);
printk("src0 %08x, src1 %08x, dest0 %08x, dest1 %08x\n",
dp->dscr_source0, dp->dscr_source1, dp->dscr_dest0, dp->dscr_dest1);
printk("stat %08x, nxtptr %08x\n",
dp->dscr_stat, dp->dscr_nxtptr);
dp = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
} while (dp != ctp->chan_desc_base);
}
/* Put a descriptor into the DMA ring.
* This updates the source/destination pointers and byte count.
*/
u32
au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr )
{
chan_tab_t *ctp;
au1x_ddma_desc_t *dp;
u32 nbytes=0;
/* I guess we could check this to be within the
* range of the table......
*/
ctp = *((chan_tab_t **)chanid);
/* We should have multiple callers for a particular channel,
* an interrupt doesn't affect this pointer nor the descriptor,
* so no locking should be needed.
*/
dp = ctp->put_ptr;
/* If the descriptor is valid, we are way ahead of the DMA
* engine, so just return an error condition.
*/
if (dp->dscr_cmd0 & DSCR_CMD0_V)
return 0;
/* Load up buffer addresses and byte count.
*/
dp->dscr_dest0 = dscr->dscr_dest0;
dp->dscr_source0 = dscr->dscr_source0;
dp->dscr_dest1 = dscr->dscr_dest1;
dp->dscr_source1 = dscr->dscr_source1;
dp->dscr_cmd1 = dscr->dscr_cmd1;
nbytes = dscr->dscr_cmd1;
/* Allow the caller to specifiy if an interrupt is generated */
dp->dscr_cmd0 &= ~DSCR_CMD0_IE;
dp->dscr_cmd0 |= dscr->dscr_cmd0 | DSCR_CMD0_V;
ctp->chan_ptr->ddma_dbell = 0;
/* Get next descriptor pointer.
*/
ctp->put_ptr = phys_to_virt(DSCR_GET_NXTPTR(dp->dscr_nxtptr));
/* return something not zero.
*/
return nbytes;
}
#endif /* defined(CONFIG_SOC_AU1550) || defined(CONFIG_SOC_AU1200) */
arch/mips/au1000/common/irq.c
浏览文件 @ e3ad1c23
......@@ -488,7 +488,7 @@ void intc0_req0_irqdispatch(struct pt_regs *regs)
intc0_req0 |= au_readl(IC0_REQ0INT);
if (!intc0_req0) return;
#ifdef AU1000_USB_DEV_REQ_INT
/*
* Because of the tight timing of SETUP token to reply
* transactions, the USB devices-side packet complete
......@@ -499,7 +499,7 @@ void intc0_req0_irqdispatch(struct pt_regs *regs)
do_IRQ(AU1000_USB_DEV_REQ_INT, regs);
return;
}
#endif
irq = au_ffs(intc0_req0) - 1;
intc0_req0 &= ~(1<<irq);
do_IRQ(irq, regs);
......
arch/mips/au1000/common/usbdev.c
浏览文件 @ e3ad1c23
......@@ -1005,11 +1005,11 @@ process_ep0_receive (struct usb_dev* dev)
#endif
dev->ep0_stage = SETUP_STAGE;
break;
}
}
spin_unlock(&ep0->lock);
// we're done processing the packet, free it
kfree(pkt);
// we're done processing the packet, free it
kfree(pkt);
}
......@@ -1072,8 +1072,7 @@ dma_done_ep0_intr(int irq, void *dev_id, struct pt_regs *regs)
clear_dma_done1(ep0->indma);
pkt = send_packet_complete(ep0);
if (pkt)
kfree(pkt);
kfree(pkt);
}
/*
......@@ -1302,8 +1301,7 @@ usbdev_exit(void)
endpoint_flush(ep);
}
if (usbdev.full_conf_desc)
kfree(usbdev.full_conf_desc);
kfree(usbdev.full_conf_desc);
}
int
......
arch/mips/au1000/pb1200/Makefile 0 → 100644
浏览文件 @ e3ad1c23
#
# Makefile for the Alchemy Semiconductor PB1200 board.
#
lib-y := init.o board_setup.o irqmap.o
arch/mips/au1000/pb1200/board_setup.c 0 → 100644
浏览文件 @ e3ad1c23
/*
*
* BRIEF MODULE DESCRIPTION
* Alchemy Pb1200/Db1200 board setup.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/console.h>
#include <linux/mc146818rtc.h>
#include <linux/delay.h>
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX)
#include <linux/ide.h>
#endif
#include <asm/cpu.h>
#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mipsregs.h>
#include <asm/reboot.h>
#include <asm/pgtable.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1xxx_dbdma.h>
#ifdef CONFIG_MIPS_PB1200
#include <asm/mach-pb1x00/pb1200.h>
#endif
#ifdef CONFIG_MIPS_DB1200
#include <asm/mach-db1x00/db1200.h>
#define PB1200_ETH_INT DB1200_ETH_INT
#define PB1200_IDE_INT DB1200_IDE_INT
#endif
extern void _board_init_irq(void);
extern void (*board_init_irq)(void);
#ifdef CONFIG_BLK_DEV_IDE_AU1XXX
extern struct ide_ops *ide_ops;
extern struct ide_ops au1xxx_ide_ops;
extern u32 au1xxx_ide_virtbase;
extern u64 au1xxx_ide_physbase;
extern int au1xxx_ide_irq;
u32 led_base_addr;
/* Ddma */
chan_tab_t *ide_read_ch, *ide_write_ch;
u32 au1xxx_ide_ddma_enable = 0, switch4ddma = 1; // PIO+ddma
dbdev_tab_t new_dbdev_tab_element = { DSCR_CMD0_THROTTLE, DEV_FLAGS_ANYUSE, 0, 0, 0x00000000, 0, 0 };
#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX */
void board_reset (void)
{
bcsr->resets = 0;
}
void __init board_setup(void)
{
char *argptr = NULL;
u32 pin_func;
#if 0
/* Enable PSC1 SYNC for AC97. Normaly done in audio driver,
* but it is board specific code, so put it here.
*/
pin_func = au_readl(SYS_PINFUNC);
au_sync();
pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
au_writel(pin_func, SYS_PINFUNC);
au_writel(0, (u32)bcsr|0x10); /* turn off pcmcia power */
au_sync();
#endif
#if defined( CONFIG_I2C_ALGO_AU1550 )
{
u32 freq0, clksrc;
/* Select SMBUS in CPLD */
bcsr->resets &= ~(BCSR_RESETS_PCS0MUX);
pin_func = au_readl(SYS_PINFUNC);
au_sync();
pin_func &= ~(3<<17 | 1<<4);
/* Set GPIOs correctly */
pin_func |= 2<<17;
au_writel(pin_func, SYS_PINFUNC);
au_sync();
/* The i2c driver depends on 50Mhz clock */
freq0 = au_readl(SYS_FREQCTRL0);
au_sync();
freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1);
freq0 |= (3<<SYS_FC_FRDIV1_BIT);
/* 396Mhz / (3+1)*2 == 49.5Mhz */
au_writel(freq0, SYS_FREQCTRL0);
au_sync();
freq0 |= SYS_FC_FE1;
au_writel(freq0, SYS_FREQCTRL0);
au_sync();
clksrc = au_readl(SYS_CLKSRC);
au_sync();
clksrc &= ~0x01f00000;
/* bit 22 is EXTCLK0 for PSC0 */
clksrc |= (0x3 << 22);
au_writel(clksrc, SYS_CLKSRC);
au_sync();
}
#endif
#ifdef CONFIG_FB_AU1200
argptr = prom_getcmdline();
#ifdef CONFIG_MIPS_PB1200
strcat(argptr, " video=au1200fb:panel:s11");
#endif
#ifdef CONFIG_MIPS_DB1200
strcat(argptr, " video=au1200fb:panel:s7");
#endif
#endif
#if defined(CONFIG_BLK_DEV_IDE_AU1XXX)
/*
* Iniz IDE parameters
*/
ide_ops = &au1xxx_ide_ops;
au1xxx_ide_irq = PB1200_IDE_INT;
au1xxx_ide_physbase = AU1XXX_ATA_PHYS_ADDR;
au1xxx_ide_virtbase = KSEG1ADDR(AU1XXX_ATA_PHYS_ADDR);
/*
* change PIO or PIO+Ddma
* check the GPIO-5 pin condition. pb1200:s18_dot */
switch4ddma = (au_readl(SYS_PINSTATERD) & (1 << 5)) ? 1 : 0;
#endif
/* The Pb1200 development board uses external MUX for PSC0 to
support SMB/SPI. bcsr->resets bit 12: 0=SMB 1=SPI
*/
#if defined(CONFIG_AU1550_PSC_SPI) && defined(CONFIG_I2C_ALGO_AU1550)
#error I2C and SPI are mutually exclusive. Both are physically connected to PSC0.\
Refer to Pb1200/Db1200 documentation.
#elif defined( CONFIG_AU1550_PSC_SPI )
bcsr->resets |= BCSR_RESETS_PCS0MUX;
#elif defined( CONFIG_I2C_ALGO_AU1550 )
bcsr->resets &= (~BCSR_RESETS_PCS0MUX);
#endif
au_sync();
#ifdef CONFIG_MIPS_PB1200
printk("AMD Alchemy Pb1200 Board\n");
#endif
#ifdef CONFIG_MIPS_DB1200
printk("AMD Alchemy Db1200 Board\n");
#endif
#if 0
/* Setup Pb1200 External Interrupt Controller */
{
extern void (*board_init_irq)(void);
extern void _board_init_irq(void);
board_init_irq = _board_init_irq;
}
#endif
}
arch/mips/au1000/pb1200/init.c 0 → 100644
浏览文件 @ e3ad1c23
/*
*
* BRIEF MODULE DESCRIPTION
* PB1200 board setup
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/bootmem.h>
#include <asm/addrspace.h>
#include <asm/bootinfo.h>
#include <linux/string.h>
#include <linux/kernel.h>
int prom_argc;
char **prom_argv, **prom_envp;
extern void __init prom_init_cmdline(void);
extern char *prom_getenv(char *envname);
const char *get_system_type(void)
{
return "Alchemy Pb1200";
}
void __init prom_init(void)
{
unsigned char *memsize_str;
unsigned long memsize;
prom_argc = (int) fw_arg0;
prom_argv = (char **) fw_arg1;
prom_envp = (char **) fw_arg2;
mips_machgroup = MACH_GROUP_ALCHEMY;
mips_machtype = MACH_PB1200;
prom_init_cmdline();
memsize_str = prom_getenv("memsize");
if (!memsize_str) {
memsize = 0x08000000;
} else {
memsize = simple_strtol(memsize_str, NULL, 0);
}
add_memory_region(0, memsize, BOOT_MEM_RAM);
}
arch/mips/au1000/pb1200/irqmap.c 0 → 100644
浏览文件 @ e3ad1c23
/*
* BRIEF MODULE DESCRIPTION
* Au1xxx irq map table
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/kernel_stat.h>
#include <linux/module.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/timex.h>
#include <linux/slab.h>
#include <linux/random.h>
#include <linux/delay.h>
#include <asm/bitops.h>
#include <asm/bootinfo.h>
#include <asm/io.h>
#include <asm/mipsregs.h>
#include <asm/system.h>
#include <asm/mach-au1x00/au1000.h>
#ifdef CONFIG_MIPS_PB1200
#include <asm/mach-pb1x00/pb1200.h>
#endif
#ifdef CONFIG_MIPS_DB1200
#include <asm/mach-db1x00/db1200.h>
#define PB1200_INT_BEGIN DB1200_INT_BEGIN
#define PB1200_INT_END DB1200_INT_END
#endif
au1xxx_irq_map_t au1xxx_irq_map[] = {
{ AU1000_GPIO_7, INTC_INT_LOW_LEVEL, 0 }, // This is exteranl interrupt cascade
};
int au1xxx_nr_irqs = sizeof(au1xxx_irq_map)/sizeof(au1xxx_irq_map_t);
/*
* Support for External interrupts on the PbAu1200 Development platform.
*/
static volatile int pb1200_cascade_en=0;
void pb1200_cascade_handler( int irq, void *dev_id, struct pt_regs *regs)
{
unsigned short bisr = bcsr->int_status;
int extirq_nr = 0;
/* Clear all the edge interrupts. This has no effect on level */
bcsr->int_status = bisr;
for( ; bisr; bisr &= (bisr-1) )
{
extirq_nr = (PB1200_INT_BEGIN-1) + au_ffs(bisr);
/* Ack and dispatch IRQ */
do_IRQ(extirq_nr,regs);
}
}
inline void pb1200_enable_irq(unsigned int irq_nr)
{
bcsr->intset_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
bcsr->intset = 1<<(irq_nr - PB1200_INT_BEGIN);
}
inline void pb1200_disable_irq(unsigned int irq_nr)
{
bcsr->intclr_mask = 1<<(irq_nr - PB1200_INT_BEGIN);
bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN);
}
static unsigned int pb1200_startup_irq( unsigned int irq_nr )
{
if (++pb1200_cascade_en == 1)
{
request_irq(AU1000_GPIO_7, &pb1200_cascade_handler,
0, "Pb1200 Cascade", &pb1200_cascade_handler );
#ifdef CONFIG_MIPS_PB1200
/* We have a problem with CPLD rev3. Enable a workaround */
if( ((bcsr->whoami & BCSR_WHOAMI_CPLD)>>4) <= 3)
{
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n");
printk("updated to latest revision. This software will not\n");
printk("work on anything less than CPLD rev4\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
while(1);
}
#endif
}
pb1200_enable_irq(irq_nr);
return 0;
}
static void pb1200_shutdown_irq( unsigned int irq_nr )
{
pb1200_disable_irq(irq_nr);
if (--pb1200_cascade_en == 0)
{
free_irq(AU1000_GPIO_7,&pb1200_cascade_handler );
}
return;
}
static inline void pb1200_mask_and_ack_irq(unsigned int irq_nr)
{
pb1200_disable_irq( irq_nr );
}
static void pb1200_end_irq(unsigned int irq_nr)
{
if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))) {
pb1200_enable_irq(irq_nr);
}
}
static struct hw_interrupt_type external_irq_type =
{
#ifdef CONFIG_MIPS_PB1200
"Pb1200 Ext",
#endif
#ifdef CONFIG_MIPS_DB1200
"Db1200 Ext",
#endif
pb1200_startup_irq,
pb1200_shutdown_irq,
pb1200_enable_irq,
pb1200_disable_irq,
pb1200_mask_and_ack_irq,
pb1200_end_irq,
NULL
};
void _board_init_irq(void)
{
int irq_nr;
for (irq_nr = PB1200_INT_BEGIN; irq_nr <= PB1200_INT_END; irq_nr++)
{
irq_desc[irq_nr].handler = &external_irq_type;
pb1200_disable_irq(irq_nr);
}
/* GPIO_7 can not be hooked here, so it is hooked upon first
request of any source attached to the cascade */
}
arch/mips/kernel/cpu-probe.c
浏览文件 @ e3ad1c23
......@@ -116,6 +116,8 @@ static inline void check_wait(void)
case CPU_AU1000:
case CPU_AU1100:
case CPU_AU1500:
case CPU_AU1550:
case CPU_AU1200:
if (au1k_wait_ptr != NULL) {
cpu_wait = au1k_wait_ptr;
printk(" available.\n");
......@@ -505,6 +507,9 @@ static inline void cpu_probe_alchemy(struct cpuinfo_mips *c)
case 3:
c->cputype = CPU_AU1550;
break;
case 4:
c->cputype = CPU_AU1200;
break;
default:
panic("Unknown Au Core!");
break;
......
arch/mips/kernel/proc.c
浏览文件 @ e3ad1c23
......@@ -60,6 +60,9 @@ static const char *cpu_name[] = {
[CPU_TX3927] "TX3927",
[CPU_AU1000] "Au1000",
[CPU_AU1500] "Au1500",
[CPU_AU1100] "Au1100",
[CPU_AU1550] "Au1550",
[CPU_AU1200] "Au1200",
[CPU_4KEC] "MIPS 4KEc",
[CPU_4KSC] "MIPS 4KSc",
[CPU_VR41XX] "NEC Vr41xx",
......
arch/mips/mm/c-r4k.c
浏览文件 @ e3ad1c23
......@@ -1036,7 +1036,11 @@ static void __init probe_pcache(void)
c->icache.flags |= MIPS_CACHE_VTAG;
break;
case CPU_AU1000:
case CPU_AU1500:
case CPU_AU1100:
case CPU_AU1550:
case CPU_AU1200:
c->icache.flags |= MIPS_CACHE_IC_F_DC;
break;
}
......
arch/mips/mm/tlbex.c
浏览文件 @ e3ad1c23
......@@ -840,6 +840,7 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
case CPU_AU1100:
case CPU_AU1500:
case CPU_AU1550:
case CPU_AU1200:
i_nop(p);
tlbw(p);
break;
......
include/asm-mips/bootinfo.h
浏览文件 @ e3ad1c23
......@@ -177,6 +177,8 @@
#define MACH_MTX1 7 /* 4G MTX-1 Au1500-based board */
#define MACH_PB1550 8 /* Au1550-based eval board */
#define MACH_DB1550 9 /* Au1550-based eval board */
#define MACH_PB1200 10 /* Au1200-based eval board */
#define MACH_DB1200 11 /* Au1200-based eval board */
/*
* Valid machtype for group NEC_VR41XX
......
include/asm-mips/cpu.h
浏览文件 @ e3ad1c23
......@@ -182,7 +182,8 @@
#define CPU_VR4133 56
#define CPU_AU1550 57
#define CPU_24K 58
#define CPU_LAST 58
#define CPU_AU1200 59
#define CPU_LAST 59
/*
* ISA Level encodings
......
include/asm-mips/mach-au1x00/au1xxx_dbdma.h
浏览文件 @ e3ad1c23
......@@ -45,7 +45,7 @@
#define DDMA_GLOBAL_BASE 0xb4003000
#define DDMA_CHANNEL_BASE 0xb4002000
typedef struct dbdma_global {
typedef volatile struct dbdma_global {
u32 ddma_config;
u32 ddma_intstat;
u32 ddma_throttle;
......@@ -62,7 +62,7 @@ typedef struct dbdma_global {
/* The structure of a DMA Channel.
*/
typedef struct au1xxx_dma_channel {
typedef volatile struct au1xxx_dma_channel {
u32 ddma_cfg; /* See below */
u32 ddma_desptr; /* 32-byte aligned pointer to descriptor */
u32 ddma_statptr; /* word aligned pointer to status word */
......@@ -98,7 +98,7 @@ typedef struct au1xxx_dma_channel {
/* "Standard" DDMA Descriptor.
* Must be 32-byte aligned.
*/
typedef struct au1xxx_ddma_desc {
typedef volatile struct au1xxx_ddma_desc {
u32 dscr_cmd0; /* See below */
u32 dscr_cmd1; /* See below */
u32 dscr_source0; /* source phys address */
......@@ -107,6 +107,12 @@ typedef struct au1xxx_ddma_desc {
u32 dscr_dest1; /* See below */
u32 dscr_stat; /* completion status */
u32 dscr_nxtptr; /* Next descriptor pointer (mostly) */
/* First 32bytes are HW specific!!!
Lets have some SW data following.. make sure its 32bytes
*/
u32 sw_status;
u32 sw_context;
u32 sw_reserved[6];
} au1x_ddma_desc_t;
#define DSCR_CMD0_V (1 << 31) /* Descriptor valid */
......@@ -125,8 +131,11 @@ typedef struct au1xxx_ddma_desc {
#define DSCR_CMD0_CV (0x1 << 2) /* Clear Valid when done */
#define DSCR_CMD0_ST_MASK (0x3 << 0) /* Status instruction */
#define SW_STATUS_INUSE (1<<0)
/* Command 0 device IDs.
*/
#ifdef CONFIG_SOC_AU1550
#define DSCR_CMD0_UART0_TX 0
#define DSCR_CMD0_UART0_RX 1
#define DSCR_CMD0_UART3_TX 2
......@@ -155,9 +164,45 @@ typedef struct au1xxx_ddma_desc {
#define DSCR_CMD0_MAC0_TX 25
#define DSCR_CMD0_MAC1_RX 26
#define DSCR_CMD0_MAC1_TX 27
#endif /* CONFIG_SOC_AU1550 */
#ifdef CONFIG_SOC_AU1200
#define DSCR_CMD0_UART0_TX 0
#define DSCR_CMD0_UART0_RX 1
#define DSCR_CMD0_UART1_TX 2
#define DSCR_CMD0_UART1_RX 3
#define DSCR_CMD0_DMA_REQ0 4
#define DSCR_CMD0_DMA_REQ1 5
#define DSCR_CMD0_MAE_BE 6
#define DSCR_CMD0_MAE_FE 7
#define DSCR_CMD0_SDMS_TX0 8
#define DSCR_CMD0_SDMS_RX0 9
#define DSCR_CMD0_SDMS_TX1 10
#define DSCR_CMD0_SDMS_RX1 11
#define DSCR_CMD0_AES_TX 13
#define DSCR_CMD0_AES_RX 12
#define DSCR_CMD0_PSC0_TX 14
#define DSCR_CMD0_PSC0_RX 15
#define DSCR_CMD0_PSC1_TX 16
#define DSCR_CMD0_PSC1_RX 17
#define DSCR_CMD0_CIM_RXA 18
#define DSCR_CMD0_CIM_RXB 19
#define DSCR_CMD0_CIM_RXC 20
#define DSCR_CMD0_MAE_BOTH 21
#define DSCR_CMD0_LCD 22
#define DSCR_CMD0_NAND_FLASH 23
#define DSCR_CMD0_PSC0_SYNC 24
#define DSCR_CMD0_PSC1_SYNC 25
#define DSCR_CMD0_CIM_SYNC 26
#endif /* CONFIG_SOC_AU1200 */
#define DSCR_CMD0_THROTTLE 30
#define DSCR_CMD0_ALWAYS 31
#define DSCR_NDEV_IDS 32
/* THis macro is used to find/create custom device types */
#define DSCR_DEV2CUSTOM_ID(x,d) (((((x)&0xFFFF)<<8)|0x32000000)|((d)&0xFF))
#define DSCR_CUSTOM2DEV_ID(x) ((x)&0xFF)
#define DSCR_CMD0_SID(x) (((x) & 0x1f) << 25)
#define DSCR_CMD0_DID(x) (((x) & 0x1f) << 20)
......@@ -246,6 +291,43 @@ typedef struct au1xxx_ddma_desc {
*/
#define NUM_DBDMA_CHANS 16
/*
* Ddma API definitions
* FIXME: may not fit to this header file
*/
typedef struct dbdma_device_table {
u32 dev_id;
u32 dev_flags;
u32 dev_tsize;
u32 dev_devwidth;
u32 dev_physaddr; /* If FIFO */
u32 dev_intlevel;
u32 dev_intpolarity;
} dbdev_tab_t;
typedef struct dbdma_chan_config {
spinlock_t lock;
u32 chan_flags;
u32 chan_index;
dbdev_tab_t *chan_src;
dbdev_tab_t *chan_dest;
au1x_dma_chan_t *chan_ptr;
au1x_ddma_desc_t *chan_desc_base;
au1x_ddma_desc_t *get_ptr, *put_ptr, *cur_ptr;
void *chan_callparam;
void (*chan_callback)(int, void *, struct pt_regs *);
} chan_tab_t;
#define DEV_FLAGS_INUSE (1 << 0)
#define DEV_FLAGS_ANYUSE (1 << 1)
#define DEV_FLAGS_OUT (1 << 2)
#define DEV_FLAGS_IN (1 << 3)
#define DEV_FLAGS_BURSTABLE (1 << 4)
#define DEV_FLAGS_SYNC (1 << 5)
/* end Ddma API definitions */
/* External functions for drivers to use.
*/
/* Use this to allocate a dbdma channel. The device ids are one of the
......@@ -258,18 +340,6 @@ u32 au1xxx_dbdma_chan_alloc(u32 srcid, u32 destid,
#define DBDMA_MEM_CHAN DSCR_CMD0_ALWAYS
/* ACK! These should be in a board specific description file.
*/
#ifdef CONFIG_MIPS_PB1550
#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
#endif
#ifdef CONFIG_MIPS_DB1550
#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
#endif
/* Set the device width of a in/out fifo.
*/
u32 au1xxx_dbdma_set_devwidth(u32 chanid, int bits);
......@@ -280,8 +350,8 @@ u32 au1xxx_dbdma_ring_alloc(u32 chanid, int entries);
/* Put buffers on source/destination descriptors.
*/
u32 au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes);
u32 au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes);
u32 _au1xxx_dbdma_put_source(u32 chanid, void *buf, int nbytes, u32 flags);
u32 _au1xxx_dbdma_put_dest(u32 chanid, void *buf, int nbytes, u32 flags);
/* Get a buffer from the destination descriptor.
*/
......@@ -295,5 +365,25 @@ u32 au1xxx_get_dma_residue(u32 chanid);
void au1xxx_dbdma_chan_free(u32 chanid);
void au1xxx_dbdma_dump(u32 chanid);
u32 au1xxx_dbdma_put_dscr(u32 chanid, au1x_ddma_desc_t *dscr );
u32 au1xxx_ddma_add_device( dbdev_tab_t *dev );
/*
Some compatibilty macros --
Needed to make changes to API without breaking existing drivers
*/
#define au1xxx_dbdma_put_source(chanid,buf,nbytes)_au1xxx_dbdma_put_source(chanid, buf, nbytes, DDMA_FLAGS_IE)
#define au1xxx_dbdma_put_source_flags(chanid,buf,nbytes,flags) _au1xxx_dbdma_put_source(chanid, buf, nbytes, flags)
#define au1xxx_dbdma_put_dest(chanid,buf,nbytes) _au1xxx_dbdma_put_dest(chanid, buf, nbytes, DDMA_FLAGS_IE)
#define au1xxx_dbdma_put_dest_flags(chanid,buf,nbytes,flags) _au1xxx_dbdma_put_dest(chanid, buf, nbytes, flags)
/*
* Flags for the put_source/put_dest functions.
*/
#define DDMA_FLAGS_IE (1<<0)
#define DDMA_FLAGS_NOIE (1<<1)
#endif /* _LANGUAGE_ASSEMBLY */
#endif /* _AU1000_DBDMA_H_ */
include/asm-mips/mach-db1x00/db1200.h 0 → 100644
浏览文件 @ e3ad1c23
/*
* AMD Alchemy DB1200 Referrence Board
* Board Registers defines.
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
*
*/
#ifndef __ASM_DB1200_H
#define __ASM_DB1200_H
#include <linux/types.h>
// This is defined in au1000.h with bogus value
#undef AU1X00_EXTERNAL_INT
#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
#define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC1_RX
/* SPI and SMB are muxed on the Pb1200 board.
Refer to board documentation.
*/
#define SPI_PSC_BASE PSC0_BASE_ADDR
#define SMBUS_PSC_BASE PSC0_BASE_ADDR
/* AC97 and I2S are muxed on the Pb1200 board.
Refer to board documentation.
*/
#define AC97_PSC_BASE PSC1_BASE_ADDR
#define I2S_PSC_BASE PSC1_BASE_ADDR
#define BCSR_KSEG1_ADDR 0xB9800000
typedef volatile struct
{
/*00*/ u16 whoami;
u16 reserved0;
/*04*/ u16 status;
u16 reserved1;
/*08*/ u16 switches;
u16 reserved2;
/*0C*/ u16 resets;
u16 reserved3;
/*10*/ u16 pcmcia;
u16 reserved4;
/*14*/ u16 board;
u16 reserved5;
/*18*/ u16 disk_leds;
u16 reserved6;
/*1C*/ u16 system;
u16 reserved7;
/*20*/ u16 intclr;
u16 reserved8;
/*24*/ u16 intset;
u16 reserved9;
/*28*/ u16 intclr_mask;
u16 reserved10;
/*2C*/ u16 intset_mask;
u16 reserved11;
/*30*/ u16 sig_status;
u16 reserved12;
/*34*/ u16 int_status;
u16 reserved13;
/*38*/ u16 reserved14;
u16 reserved15;
/*3C*/ u16 reserved16;
u16 reserved17;
} BCSR;
static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
/*
* Register bit definitions for the BCSRs
*/
#define BCSR_WHOAMI_DCID 0x000F
#define BCSR_WHOAMI_CPLD 0x00F0
#define BCSR_WHOAMI_BOARD 0x0F00
#define BCSR_STATUS_PCMCIA0VS 0x0003
#define BCSR_STATUS_PCMCIA1VS 0x000C
#define BCSR_STATUS_SWAPBOOT 0x0040
#define BCSR_STATUS_FLASHBUSY 0x0100
#define BCSR_STATUS_IDECBLID 0x0200
#define BCSR_STATUS_SD0WP 0x0400
#define BCSR_STATUS_U0RXD 0x1000
#define BCSR_STATUS_U1RXD 0x2000
#define BCSR_SWITCHES_OCTAL 0x00FF
#define BCSR_SWITCHES_DIP_1 0x0080
#define BCSR_SWITCHES_DIP_2 0x0040
#define BCSR_SWITCHES_DIP_3 0x0020
#define BCSR_SWITCHES_DIP_4 0x0010
#define BCSR_SWITCHES_DIP_5 0x0008
#define BCSR_SWITCHES_DIP_6 0x0004
#define BCSR_SWITCHES_DIP_7 0x0002
#define BCSR_SWITCHES_DIP_8 0x0001
#define BCSR_SWITCHES_ROTARY 0x0F00
#define BCSR_RESETS_ETH 0x0001
#define BCSR_RESETS_CAMERA 0x0002
#define BCSR_RESETS_DC 0x0004
#define BCSR_RESETS_IDE 0x0008
#define BCSR_RESETS_TV 0x0010
/* not resets but in the same register */
#define BCSR_RESETS_PWMR1mUX 0x0800
#define BCSR_RESETS_PCS0MUX 0x1000
#define BCSR_RESETS_PCS1MUX 0x2000
#define BCSR_RESETS_SPISEL 0x4000
#define BCSR_PCMCIA_PC0VPP 0x0003
#define BCSR_PCMCIA_PC0VCC 0x000C
#define BCSR_PCMCIA_PC0DRVEN 0x0010
#define BCSR_PCMCIA_PC0RST 0x0080
#define BCSR_PCMCIA_PC1VPP 0x0300
#define BCSR_PCMCIA_PC1VCC 0x0C00
#define BCSR_PCMCIA_PC1DRVEN 0x1000
#define BCSR_PCMCIA_PC1RST 0x8000
#define BCSR_BOARD_LCDVEE 0x0001
#define BCSR_BOARD_LCDVDD 0x0002
#define BCSR_BOARD_LCDBL 0x0004
#define BCSR_BOARD_CAMSNAP 0x0010
#define BCSR_BOARD_CAMPWR 0x0020
#define BCSR_BOARD_SD0PWR 0x0040
#define BCSR_LEDS_DECIMALS 0x0003
#define BCSR_LEDS_LED0 0x0100
#define BCSR_LEDS_LED1 0x0200
#define BCSR_LEDS_LED2 0x0400
#define BCSR_LEDS_LED3 0x0800
#define BCSR_SYSTEM_POWEROFF 0x4000
#define BCSR_SYSTEM_RESET 0x8000
/* Bit positions for the different interrupt sources */
#define BCSR_INT_IDE 0x0001
#define BCSR_INT_ETH 0x0002
#define BCSR_INT_PC0 0x0004
#define BCSR_INT_PC0STSCHG 0x0008
#define BCSR_INT_PC1 0x0010
#define BCSR_INT_PC1STSCHG 0x0020
#define BCSR_INT_DC 0x0040
#define BCSR_INT_FLASHBUSY 0x0080
#define BCSR_INT_PC0INSERT 0x0100
#define BCSR_INT_PC0EJECT 0x0200
#define BCSR_INT_PC1INSERT 0x0400
#define BCSR_INT_PC1EJECT 0x0800
#define BCSR_INT_SD0INSERT 0x1000
#define BCSR_INT_SD0EJECT 0x2000
#define AU1XXX_SMC91111_PHYS_ADDR (0x19000300)
#define AU1XXX_SMC91111_IRQ DB1200_ETH_INT
#define AU1XXX_ATA_PHYS_ADDR (0x18800000)
#define AU1XXX_ATA_PHYS_LEN (0x100)
#define AU1XXX_ATA_REG_OFFSET (5)
#define AU1XXX_ATA_INT DB1200_IDE_INT
#define AU1XXX_ATA_DDMA_REQ DSCR_CMD0_DMA_REQ1;
#define AU1XXX_ATA_RQSIZE 128
#define NAND_PHYS_ADDR 0x20000000
/*
* External Interrupts for Pb1200 as of 8/6/2004.
* Bit positions in the CPLD registers can be calculated by taking
* the interrupt define and subtracting the DB1200_INT_BEGIN value.
* *example: IDE bis pos is = 64 - 64
ETH bit pos is = 65 - 64
*/
#define DB1200_INT_BEGIN (AU1000_LAST_INTC1_INT + 1)
#define DB1200_IDE_INT (DB1200_INT_BEGIN + 0)
#define DB1200_ETH_INT (DB1200_INT_BEGIN + 1)
#define DB1200_PC0_INT (DB1200_INT_BEGIN + 2)
#define DB1200_PC0_STSCHG_INT (DB1200_INT_BEGIN + 3)
#define DB1200_PC1_INT (DB1200_INT_BEGIN + 4)
#define DB1200_PC1_STSCHG_INT (DB1200_INT_BEGIN + 5)
#define DB1200_DC_INT (DB1200_INT_BEGIN + 6)
#define DB1200_FLASHBUSY_INT (DB1200_INT_BEGIN + 7)
#define DB1200_PC0_INSERT_INT (DB1200_INT_BEGIN + 8)
#define DB1200_PC0_EJECT_INT (DB1200_INT_BEGIN + 9)
#define DB1200_PC1_INSERT_INT (DB1200_INT_BEGIN + 10)
#define DB1200_PC1_EJECT_INT (DB1200_INT_BEGIN + 11)
#define DB1200_SD0_INSERT_INT (DB1200_INT_BEGIN + 12)
#define DB1200_SD0_EJECT_INT (DB1200_INT_BEGIN + 13)
#define DB1200_INT_END (DB1200_INT_BEGIN + 15)
/* For drivers/pcmcia/au1000_db1x00.c */
#define BOARD_PC0_INT DB1200_PC0_INT
#define BOARD_PC1_INT DB1200_PC1_INT
#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1<<(8+(2*SOCKET)))
#endif /* __ASM_DB1200_H */
include/asm-mips/mach-pb1x00/pb1200.h 0 → 100644
浏览文件 @ e3ad1c23
/*
* AMD Alchemy PB1200 Referrence Board
* Board Registers defines.
*
* ########################################################################
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* ########################################################################
*
*
*/
#ifndef __ASM_PB1200_H
#define __ASM_PB1200_H
#include <linux/types.h>
// This is defined in au1000.h with bogus value
#undef AU1X00_EXTERNAL_INT
#define DBDMA_AC97_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_AC97_RX_CHAN DSCR_CMD0_PSC1_RX
#define DBDMA_I2S_TX_CHAN DSCR_CMD0_PSC1_TX
#define DBDMA_I2S_RX_CHAN DSCR_CMD0_PSC1_RX
/* SPI and SMB are muxed on the Pb1200 board.
Refer to board documentation.
*/
#define SPI_PSC_BASE PSC0_BASE_ADDR
#define SMBUS_PSC_BASE PSC0_BASE_ADDR
/* AC97 and I2S are muxed on the Pb1200 board.
Refer to board documentation.
*/
#define AC97_PSC_BASE PSC1_BASE_ADDR
#define I2S_PSC_BASE PSC1_BASE_ADDR
#define BCSR_KSEG1_ADDR 0xAD800000
typedef volatile struct
{
/*00*/ u16 whoami;
u16 reserved0;
/*04*/ u16 status;
u16 reserved1;
/*08*/ u16 switches;
u16 reserved2;
/*0C*/ u16 resets;
u16 reserved3;
/*10*/ u16 pcmcia;
u16 reserved4;
/*14*/ u16 board;
u16 reserved5;
/*18*/ u16 disk_leds;
u16 reserved6;
/*1C*/ u16 system;
u16 reserved7;
/*20*/ u16 intclr;
u16 reserved8;
/*24*/ u16 intset;
u16 reserved9;
/*28*/ u16 intclr_mask;
u16 reserved10;
/*2C*/ u16 intset_mask;
u16 reserved11;
/*30*/ u16 sig_status;
u16 reserved12;
/*34*/ u16 int_status;
u16 reserved13;
/*38*/ u16 reserved14;
u16 reserved15;
/*3C*/ u16 reserved16;
u16 reserved17;
} BCSR;
static BCSR * const bcsr = (BCSR *)BCSR_KSEG1_ADDR;
/*
* Register bit definitions for the BCSRs
*/
#define BCSR_WHOAMI_DCID 0x000F
#define BCSR_WHOAMI_CPLD 0x00F0
#define BCSR_WHOAMI_BOARD 0x0F00
#define BCSR_STATUS_PCMCIA0VS 0x0003
#define BCSR_STATUS_PCMCIA1VS 0x000C
#define BCSR_STATUS_SWAPBOOT 0x0040
#define BCSR_STATUS_FLASHBUSY 0x0100
#define BCSR_STATUS_IDECBLID 0x0200
#define BCSR_STATUS_SD0WP 0x0400
#define BCSR_STATUS_SD1WP 0x0800
#define BCSR_STATUS_U0RXD 0x1000
#define BCSR_STATUS_U1RXD 0x2000
#define BCSR_SWITCHES_OCTAL 0x00FF
#define BCSR_SWITCHES_DIP_1 0x0080
#define BCSR_SWITCHES_DIP_2 0x0040
#define BCSR_SWITCHES_DIP_3 0x0020
#define BCSR_SWITCHES_DIP_4 0x0010
#define BCSR_SWITCHES_DIP_5 0x0008
#define BCSR_SWITCHES_DIP_6 0x0004
#define BCSR_SWITCHES_DIP_7 0x0002
#define BCSR_SWITCHES_DIP_8 0x0001
#define BCSR_SWITCHES_ROTARY 0x0F00
#define BCSR_RESETS_ETH 0x0001
#define BCSR_RESETS_CAMERA 0x0002
#define BCSR_RESETS_DC 0x0004
#define BCSR_RESETS_IDE 0x0008
/* not resets but in the same register */
#define BCSR_RESETS_WSCFSM 0x0800
#define BCSR_RESETS_PCS0MUX 0x1000
#define BCSR_RESETS_PCS1MUX 0x2000
#define BCSR_RESETS_SPISEL 0x4000
#define BCSR_RESETS_SD1MUX 0x8000
#define BCSR_PCMCIA_PC0VPP 0x0003
#define BCSR_PCMCIA_PC0VCC 0x000C
#define BCSR_PCMCIA_PC0DRVEN 0x0010
#define BCSR_PCMCIA_PC0RST 0x0080
#define BCSR_PCMCIA_PC1VPP 0x0300
#define BCSR_PCMCIA_PC1VCC 0x0C00
#define BCSR_PCMCIA_PC1DRVEN 0x1000
#define BCSR_PCMCIA_PC1RST 0x8000
#define BCSR_BOARD_LCDVEE 0x0001
#define BCSR_BOARD_LCDVDD 0x0002
#define BCSR_BOARD_LCDBL 0x0004
#define BCSR_BOARD_CAMSNAP 0x0010
#define BCSR_BOARD_CAMPWR 0x0020
#define BCSR_BOARD_SD0PWR 0x0040
#define BCSR_BOARD_SD1PWR 0x0080
#define BCSR_LEDS_DECIMALS 0x00FF
#define BCSR_LEDS_LED0 0x0100
#define BCSR_LEDS_LED1 0x0200
#define BCSR_LEDS_LED2 0x0400
#define BCSR_LEDS_LED3 0x0800
#define BCSR_SYSTEM_VDDI 0x001F
#define BCSR_SYSTEM_POWEROFF 0x4000
#define BCSR_SYSTEM_RESET 0x8000
/* Bit positions for the different interrupt sources */
#define BCSR_INT_IDE 0x0001
#define BCSR_INT_ETH 0x0002
#define BCSR_INT_PC0 0x0004
#define BCSR_INT_PC0STSCHG 0x0008
#define BCSR_INT_PC1 0x0010
#define BCSR_INT_PC1STSCHG 0x0020
#define BCSR_INT_DC 0x0040
#define BCSR_INT_FLASHBUSY 0x0080
#define BCSR_INT_PC0INSERT 0x0100
#define BCSR_INT_PC0EJECT 0x0200
#define BCSR_INT_PC1INSERT 0x0400
#define BCSR_INT_PC1EJECT 0x0800
#define BCSR_INT_SD0INSERT 0x1000
#define BCSR_INT_SD0EJECT 0x2000
#define BCSR_INT_SD1INSERT 0x4000
#define BCSR_INT_SD1EJECT 0x8000
#define AU1XXX_SMC91111_PHYS_ADDR (0x0D000300)
#define AU1XXX_SMC91111_IRQ PB1200_ETH_INT
#define AU1XXX_ATA_PHYS_ADDR (0x0C800000)
#define AU1XXX_ATA_PHYS_LEN (0x100)
#define AU1XXX_ATA_REG_OFFSET (5)
#define AU1XXX_ATA_INT PB1200_IDE_INT
#define AU1XXX_ATA_DDMA_REQ DSCR_CMD0_DMA_REQ1;
#define AU1XXX_ATA_RQSIZE 128
#define NAND_PHYS_ADDR 0x1C000000
/* Timing values as described in databook, * ns value stripped of
* lower 2 bits.
* These defines are here rather than an SOC1200 generic file because
* the parts chosen on another board may be different and may require
* different timings.
*/
#define NAND_T_H (18 >> 2)
#define NAND_T_PUL (30 >> 2)
#define NAND_T_SU (30 >> 2)
#define NAND_T_WH (30 >> 2)
/* Bitfield shift amounts */
#define NAND_T_H_SHIFT 0
#define NAND_T_PUL_SHIFT 4
#define NAND_T_SU_SHIFT 8
#define NAND_T_WH_SHIFT 12
#define NAND_TIMING ((NAND_T_H & 0xF) << NAND_T_H_SHIFT) | \
((NAND_T_PUL & 0xF) << NAND_T_PUL_SHIFT) | \
((NAND_T_SU & 0xF) << NAND_T_SU_SHIFT) | \
((NAND_T_WH & 0xF) << NAND_T_WH_SHIFT)
/*
* External Interrupts for Pb1200 as of 8/6/2004.
* Bit positions in the CPLD registers can be calculated by taking
* the interrupt define and subtracting the PB1200_INT_BEGIN value.
* *example: IDE bis pos is = 64 - 64
ETH bit pos is = 65 - 64
*/
#define PB1200_INT_BEGIN (AU1000_LAST_INTC1_INT + 1)
#define PB1200_IDE_INT (PB1200_INT_BEGIN + 0)
#define PB1200_ETH_INT (PB1200_INT_BEGIN + 1)
#define PB1200_PC0_INT (PB1200_INT_BEGIN + 2)
#define PB1200_PC0_STSCHG_INT (PB1200_INT_BEGIN + 3)
#define PB1200_PC1_INT (PB1200_INT_BEGIN + 4)
#define PB1200_PC1_STSCHG_INT (PB1200_INT_BEGIN + 5)
#define PB1200_DC_INT (PB1200_INT_BEGIN + 6)
#define PB1200_FLASHBUSY_INT (PB1200_INT_BEGIN + 7)
#define PB1200_PC0_INSERT_INT (PB1200_INT_BEGIN + 8)
#define PB1200_PC0_EJECT_INT (PB1200_INT_BEGIN + 9)
#define PB1200_PC1_INSERT_INT (PB1200_INT_BEGIN + 10)
#define PB1200_PC1_EJECT_INT (PB1200_INT_BEGIN + 11)
#define PB1200_SD0_INSERT_INT (PB1200_INT_BEGIN + 12)
#define PB1200_SD0_EJECT_INT (PB1200_INT_BEGIN + 13)
#define PB1200_SD1_INSERT_INT (PB1200_INT_BEGIN + 14)
#define PB1200_SD1_EJECT_INT (PB1200_INT_BEGIN + 15)
#define PB1200_INT_END (PB1200_INT_BEGIN + 15)
/* For drivers/pcmcia/au1000_db1x00.c */
#define BOARD_PC0_INT PB1200_PC0_INT
#define BOARD_PC1_INT PB1200_PC1_INT
#define BOARD_CARD_INSERTED(SOCKET) bcsr->sig_status & (1<<(8+(2*SOCKET)))
#endif /* __ASM_PB1200_H */
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