} else if (ar531x_misc_intrs & AR531X_ISR_AHBPROC)
do_IRQ(AR531X_MISC_IRQ_AHB_PROC);
else if (ar531x_misc_intrs & AR531X_ISR_GPIO)
- ar5312_gpio_irq_dispatch();
+ ar5312_gpio_irq_dispatch();
else if ((ar531x_misc_intrs & AR531X_ISR_UART0))
do_IRQ(AR531X_MISC_IRQ_UART0);
else if (ar531x_misc_intrs & AR531X_ISR_WD)
printk("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n",
procAddr, proc1, dmaAddr, dma1);
-
+
machine_restart("AHB error"); /* Catastrophic failure */
return IRQ_HANDLED;
}
/* reconfigure GPIO line as input */
sysRegMask(AR5315_GPIO_CR, AR5315_GPIO_CR_M(gpio), AR5315_GPIO_CR_I(gpio));
-
+
/* Enable interrupt with edge detection */
sysRegMask(AR5315_GPIO_INT, AR5315_GPIO_INT_M | AR5315_GPIO_INT_LVL_M, gpio | AR5315_GPIO_INT_LVL(3));
}
case AR531X_MISC_IRQ_SPI:
imr &= ~AR5315_ISR_SPI;
break;
-
+
case AR531X_MISC_IRQ_TIMER:
imr &= (~AR5315_ISR_TIMER);
break;
printk("WARNING: No board configuration data found!\n");
addr = NULL;
}
-
+
return addr;
}
{
int dataFound;
u32 radio_config;
-
- /*
+
+ /*
* Now find the start of Radio Configuration data, using heuristics:
* Search forward from Board Configuration data by 0x1000 bytes
* at a time until we find non-0xffffffff.
printk("Radio config found at offset 0x%x(0x%x)\n", rcfg - bcfg, radio_config - board_config);
rcfg_size = BOARD_CONFIG_BUFSZ - ((rcfg - bcfg) & (BOARD_CONFIG_BUFSZ - 1));
memcpy(radio_config, rcfg, rcfg_size);
-
+
return 0;
}
void __init serial_setup(unsigned long mapbase, unsigned int uartclk)
{
struct uart_port s;
-
+
memset(&s, 0, sizeof(s));
s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST;
case MACH_ATHEROS_AR2312:
return "Atheros AR2312";
-
+
case MACH_ATHEROS_AR2313:
return "Atheros AR2313";
#endif
struct platform_device *pdev;
printk(KERN_INFO "ar531x: Registering GPIODEV device\n");
-
+
pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
if (!pdev) {
#include <asm/irq_cpu.h>
#include <asm/gpio.h>
#include "ar531x.h"
-/*
+/*
GPIO Interrupt Support
Make use of request_irq() and the function gpio_to_irq() to trap gpio events
*/
sysRegWrite(AR5315_GPIO_CR, reg);
(void)sysRegRead(AR5315_GPIO_CR); /* flush write to hardware */
- /* Locate a free register slot to enable gpio intr
+ /* Locate a free register slot to enable gpio intr
will fail silently if no more slots are available
*/
reg = sysRegRead(AR5315_GPIO_INT);
DO_AR5315(ar5315_prom_init();)
#if 0
argv = (char **)fw_arg1;
- /* RedBoot desired command line is argv[1] */
+ /* RedBoot desired command line is argv[1] */
strcat(arcs_cmdline, argv[1]);
#endif
}
size_t len;
char *scratch, *s;
char buf[128];
-
+
event = container_of(wq, struct event_t, wq);
if (!uevent_sock)
goto done;
skb = alloc_skb(len + 2048, GFP_KERNEL);
if (!skb)
goto done;
-
+
/* add header */
scratch = skb_put(skb, len);
sprintf(scratch, "%s@",s);
event = (struct event_t *) kzalloc(sizeof(struct event_t), GFP_ATOMIC);
if (!event)
return IRQ_NONE;
-
+
pressed = !pressed;
DO_AR5315(gpio = sysRegRead(AR5315_GPIO_DI);)
void ar531x_disable_reset_button(void)
{
- disable_irq(AR531X_RESET_GPIO_IRQ);
+ disable_irq(AR531X_RESET_GPIO_IRQ);
}
EXPORT_SYMBOL(ar531x_disable_reset_button);
bcfg = (struct ar531x_boarddata *) board_config;
seen = jiffies;
-
+
request_irq(AR531X_RESET_GPIO_IRQ, &button_handler, IRQF_SAMPLE_RANDOM, "ar531x_reset", NULL);
return 0;
spin_lock_bh(&spidata->mutex); \
} \
} while (0)
-
+
static __u32 spiflash_regread32(int reg);
static void spiflash_regwrite32(int reg, __u32 data);
/* Driver private data structure */
struct spiflash_data {
- struct mtd_info *mtd;
+ struct mtd_info *mtd;
struct mtd_partition *parsed_parts; /* parsed partitions */
void *readaddr; /* memory mapped data for read */
void *mmraddr; /* memory mapped register space */
return (*data);
}
-static void
+static void
spiflash_regwrite32(int reg, __u32 data)
{
volatile __u32 *addr = (__u32 *)(spidata->mmraddr + reg);
}
-static __u32
+static __u32
spiflash_sendcmd (int op, u32 addr)
{
u32 reg;
spiflash_regwrite32(SPI_FLASH_CTL, reg);
busy_wait(spiflash_regread32(SPI_FLASH_CTL) & SPI_CTL_BUSY, 0);
-
+
if (!ptr_opcode->rx_cnt)
return 0;
* Function returns 0 for failure.
* and flashconfig_tbl array index for success.
*/
-static int
+static int
spiflash_probe_chip (void)
{
__u32 sig;
int flash_size;
-
+
/* Read the signature on the flash device */
spin_lock_bh(&spidata->mutex);
sig = spiflash_sendcmd(SPI_RD_SIG, 0);
spin_unlock_bh(&spidata->mutex);
schedule();
remove_wait_queue(&spidata->wq, &wait);
-
+
if(signal_pending(current))
return 0;
wake_up(&spidata->wq);
}
-static int
+static int
spiflash_erase (struct mtd_info *mtd,struct erase_info *instr)
{
struct opcodes *ptr_opcode;
spin_unlock_bh(&spidata->mutex);
msleep(800);
spin_lock_bh(&spidata->mutex);
-
+
busy_wait(spiflash_sendcmd(SPI_RD_STATUS, 0) & SPI_STATUS_WIP, 20);
spiflash_done();
return 0;
}
-static int
+static int
spiflash_read (struct mtd_info *mtd, loff_t from,size_t len,size_t *retlen,u_char *buf)
{
u8 *read_addr;
-
+
/* sanity checks */
if (!len) return (0);
if (from + len > mtd->size) return (-EINVAL);
-
+
/* we always read len bytes */
*retlen = len;
return 0;
}
-static int
+static int
spiflash_write (struct mtd_info *mtd,loff_t to,size_t len,size_t *retlen,const u_char *buf)
{
u32 opcode, bytes_left;
/* sanity checks */
if (!len) return (0);
if (to + len > mtd->size) return (-EINVAL);
-
+
opcode = stm_opcodes[SPI_PAGE_PROGRAM].code;
bytes_left = len;
-
+
do {
u32 xact_len, reg, page_offset, spi_data = 0;
spi_data = (buf[2] << 16) | (buf[1] << 8) | buf[0];
break;
case 4:
- spi_data = (buf[3] << 24) | (buf[2] << 16) |
+ spi_data = (buf[3] << 24) | (buf[2] << 16) |
(buf[1] << 8) | buf[0];
break;
default:
spin_lock_init(&spidata->mutex);
init_waitqueue_head(&spidata->wq);
spidata->state = FL_READY;
-
+
if (!spidata->mmraddr) {
printk (KERN_WARNING SPIFLASH "Failed to map flash device\n");
kfree(spidata);
kfree(spidata);
return -ENXIO;
}
-
+
if (!(index = spiflash_probe_chip())) {
printk (KERN_WARNING SPIFLASH "Found no serial flash device\n");
goto error;
result = add_mtd_partitions(mtd, spidata->parsed_parts, num_parts);
spidata->mtd = mtd;
-
+
return (result);
-
+
error:
kfree(mtd);
kfree(spidata);
.remove = spiflash_remove,
};
-int __init
+int __init
spiflash_init (void)
{
spidata = kmalloc(sizeof(struct spiflash_data), GFP_KERNEL);
return 0;
}
-void __exit
+void __exit
spiflash_exit (void)
{
kfree(spidata);
* (at your option) any later version.
*
* Additional credits:
- * This code is taken from John Taylor's Sibyte driver and then
+ * This code is taken from John Taylor's Sibyte driver and then
* modified for the AR2313.
*/
#define CRC_LEN 4
#define RX_OFFSET 2
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
+#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
#define VLAN_HDR 4
#else
#define VLAN_HDR 0
return (-ENXIO);
}
- /*
- * When there's only one MAC, PHY regs are typically on ENET0,
+ /*
+ * When there's only one MAC, PHY regs are typically on ENET0,
* even though the MAC might be on ENET1.
* Needto remap PHY regs separately in this case
*/
sp->board_idx = BOARD_IDX_STATIC;
if (ar2313_init(dev)) {
- /*
+ /*
* ar2313_init() calls ar2313_init_cleanup() on error.
*/
kfree(dev);
sp->mii_bus.id = 0;
sp->mii_bus.irq = kmalloc(sizeof(int), GFP_KERNEL);
*sp->mii_bus.irq = PHY_POLL;
-
+
mdiobus_register(&sp->mii_bus);
if (mdiobus_probe(dev) != 0) {
/* start link poll timer */
ar2313_setup_timer(dev);
}
-
+
return 0;
}
*/
static void ar2313_multicast_list(struct net_device *dev)
{
- /*
- * Always listen to broadcasts and
- * treat IFF bits independently
+ /*
+ * Always listen to broadcasts and
+ * treat IFF bits independently
*/
struct ar2313_private *sp = (struct ar2313_private *) dev->priv;
unsigned int recognise;
{
struct ar2313_private *sp = dev->priv;
- /*
+ /*
* Tasklet may be scheduled. Need to get it removed from the list
* since we're about to free the struct.
*/
/*
- * Restart the AR2313 ethernet controller.
+ * Restart the AR2313 ethernet controller.
*/
static int ar2313_restart(struct net_device *dev)
{
// autonegotiated value of half or full duplex.
ar2313_check_link(dev);
- // Loop faster when we don't have link.
+ // Loop faster when we don't have link.
// This was needed to speed up the AP bootstrap time.
if (sp->link == 0) {
mod_timer(&sp->link_timer, jiffies + HZ / 2);
struct ar2313_private *sp = dev->priv;
int ecode = 0;
- /*
+ /*
* Allocate descriptors
*/
if (ar2313_allocate_descriptors(dev)) {
goto init_error;
}
- /*
+ /*
* Get the memory for the skb rings.
*/
if (sp->rx_skb == NULL) {
}
memset(sp->tx_skb, 0, sizeof(struct sk_buff *) * AR2313_DESCR_ENTRIES);
- /*
+ /*
* Set tx_csm before we start receiving interrupts, otherwise
* the interrupt handler might think it is supposed to process
* tx ints before we are up and running, which may cause a null
sp->tx_prd = 0;
sp->tx_csm = 0;
- /*
+ /*
* Zero the stats before starting the interface
*/
memset(&sp->stats, 0, sizeof(sp->stats));
- /*
+ /*
* We load the ring here as there seem to be no way to tell the
* firmware to wipe the ring without re-initializing it.
*/
ar2313_load_rx_ring(dev, RX_RING_SIZE);
- /*
+ /*
* Init hardware
*/
ar2313_reset_reg(dev);
- /*
+ /*
* Get the IRQ
*/
ecode =
// partha: create additional room in the front for tx pkt capture
skb_reserve(skb, 32);
- /*
+ /*
* Make sure IP header starts on a fresh cache line.
*/
skb->dev = dev;
idx = sp->cur_rx;
- /* process at most the entire ring and then wait for another interrupt
+ /* process at most the entire ring and then wait for another interrupt
*/
while (1) {
unsigned int status, enabled;
/* clear interrupt */
- /*
+ /*
* Don't clear RI bit if currently disabled.
*/
status = sp->dma_regs->status;
if (status & DMA_STATUS_NIS) {
/* normal status */
- /*
+ /*
* Don't schedule rx processing if interrupt
* is already disabled.
*/
static int ar2313_close(struct net_device *dev)
{
#if 0
- /*
+ /*
* Disable interrupts
*/
disable_irq(dev->irq);
- /*
+ /*
* Without (or before) releasing irq and stopping hardware, this
* is an absolute non-sense, by the way. It will be reset instantly
* by the first irq.
struct mii_ioctl_data *data = (struct mii_ioctl_data *) &ifr->ifr_data;
struct ar2313_private *sp = dev->priv;
int ret;
-
+
switch (cmd) {
case SIOCETHTOOL:
(ifr->ifr_data, dev->dev_addr, sizeof(dev->dev_addr)))
return -EFAULT;
return 0;
-
+
case SIOCGMIIPHY:
case SIOCGMIIREG:
case SIOCSMIIREG:
return phy_mii_ioctl(sp->phy_dev, data, cmd);
-
+
default:
break;
}
#define MII_ADDR(phy, reg) \
((reg << MII_ADDR_REG_SHIFT) | (phy << MII_ADDR_PHY_SHIFT))
-static int
+static int
mdiobus_read(struct mii_bus *bus, int phy_addr, int regnum)
{
struct net_device *const dev = bus->priv;
return (ethernet->mii_data >> MII_DATA_SHIFT);
}
-static int
+static int
mdiobus_write(struct mii_bus *bus, int phy_addr, int regnum,
u16 value)
{
} ETHERNET_STRUCT;
/********************************************************************
- * Interrupt controller
+ * Interrupt controller
********************************************************************/
typedef struct {
spinlock_t lock; /* Serialise access to device */
- /*
+ /*
* RX and TX descriptors, must be adjacent
*/
ar2313_descr_t *rx_ring;
struct sk_buff **rx_skb;
struct sk_buff **tx_skb;
- /*
+ /*
* RX elements
*/
u32 rx_skbprd;
u32 cur_rx;
- /*
+ /*
* TX elements
*/
u32 tx_prd;
u32 tx_csm;
- /*
+ /*
* Misc elements
*/
int board_idx;
* $Log: dma.h,v $
* Revision 1.3 2002/06/06 18:34:03 astichte
* Added XXX_PhysicalAddress and XXX_VirtualAddress
- *
+ *
* Revision 1.2 2002/06/05 18:30:46 astichte
* Removed IDTField
- *
+ *
* Revision 1.1 2002/05/29 17:33:21 sysarch
* jba File moved from vcode/include/idt/acacia
- *
+ *
*
******************************************************************************/
#define AR531X_RADIO_MASK_OFF 0xc8
#define AR531X_RADIO0_MASK 0x0003
#define AR531X_RADIO1_MASK 0x000c
-#define AR531X_RADIO1_S 2
+#define AR531X_RADIO1_S 2
/*
* AR531X_NUM_WMAC defines the number of Wireless MACs that\
#ifndef AR5315_H
#define AR5315_H
-/*
+/*
* IRQs
*/
#define AR5315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
#define AR5315_CONFIG_CPU_DRAM 0x00010000
#define AR5315_CONFIG_CPU_PCI 0x00020000
#define AR5315_CONFIG_CPU_MMR 0x00040000
-#define AR5315_CONFIG_BIG 0x00000400
+#define AR5315_CONFIG_BIG 0x00000400
/*
#define IF_PCI_HOST 0x00000010
#define IF_PCI_INTR 0x00000020
#define IF_PCI_CLK_MASK 0x00030000
-#define IF_PCI_CLK_INPUT 0
+#define IF_PCI_CLK_INPUT 0
#define IF_PCI_CLK_OUTPUT_LOW 1
#define IF_PCI_CLK_OUTPUT_CLK 2
#define IF_PCI_CLK_OUTPUT_HIGH 3
-#define IF_PCI_CLK_SHIFT 16
-
-
+#define IF_PCI_CLK_SHIFT 16
+
+
/* Major revision numbers, bits 7..4 of Revision ID register */
#define REV_MAJ_AR5311 0x01
#define REV_MAJ_AR5312 0x04
#define AR5315_ISR_GPIO 0x0040 /* GPIO */
#define AR5315_ISR_WD 0x0080 /* watchdog */
#define AR5315_ISR_IR_RSVD 0x0100 /* IR */
-
+
#define AR5315_GISR_MISC 0x0001
#define AR5315_GISR_WLAN0 0x0002
#define AR5315_GISR_MPEGTS_RSVD 0x0004
#define PERF_ACTIVE 0x0010 /* Count Active Processor Cycles */
#define PERF_WBHIT 0x0020 /* Count CPU Write Buffer Hits */
#define PERF_WBMISS 0x0040 /* Count CPU Write Buffer Misses */
-
+
#define PERF_EB_ARDY 0x0001 /* Count EB_ARdy signal */
#define PERF_EB_AVALID 0x0002 /* Count EB_AValid signal */
#define PERF_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */
#define PROCERR_HMAST_LOCAL 4
#define PROCERR_HMAST_CPU 5
#define PROCERR_HMAST_PCITGT 6
-
+
#define PROCERR_HMAST_S 0
#define PROCERR_HWRITE 0x00000010
#define PROCERR_HSIZE 0x00000060
*/
#define ASSOC_STATUS_M 0x00000003
#define ASSOC_STATUS_NONE 0
-#define ASSOC_STATUS_PENDING 1
+#define ASSOC_STATUS_PENDING 1
#define ASSOC_STATUS_ASSOCIATED 2
#define LED_MODE_M 0x0000001c
#define LED_BLINK_THRESHOLD_M 0x000000e0
#define AR5315_RESET_GPIO 5
#define AR5315_NUM_GPIO 22
-
-/*
+
+/*
* PCI Clock Control
- */
-
+ */
+
#define AR5315_PCICLK (AR5315_DSLBASE + 0x00a4)
#define AR5315_PCICLK_INPUT_M 0x3
#define AR5315_PCICLK_INPUT_S 0
-
+
#define AR5315_PCICLK_PLLC_CLKM 0
#define AR5315_PCICLK_PLLC_CLKM1 1
#define AR5315_PCICLK_PLLC_CLKC 2
-#define AR5315_PCICLK_REF_CLK 3
+#define AR5315_PCICLK_REF_CLK 3
#define AR5315_PCICLK_DIV_M 0xc
#define AR5315_PCICLK_DIV_S 2
-
+
#define AR5315_PCICLK_IN_FREQ 0
#define AR5315_PCICLK_IN_FREQ_DIV_6 1
#define AR5315_PCICLK_IN_FREQ_DIV_8 2
-#define AR5315_PCICLK_IN_FREQ_DIV_10 3
+#define AR5315_PCICLK_IN_FREQ_DIV_10 3
/*
* Observation Control Register
#define OCR_GPIO1_IROUT 0x0080
#define OCR_GPIO3_RXCLR 0x0200
-/*
+/*
* General Clock Control
- */
-
+ */
+
#define AR5315_MISCCLK (AR5315_DSLBASE + 0x00b4)
#define MISCCLK_PLLBYPASS_EN 0x00000001
#define MISCCLK_PROCREFCLK 0x00000002
#define SPI_CTL_CLK_SEL_MASK 0x03000000
#define SPI_OPCODE_MASK 0x000000ff
-/*
- * PCI-MAC Configuration registers
+/*
+ * PCI-MAC Configuration registers
*/
-#define PCI_MAC_RC (AR5315_PCI + 0x4000)
+#define PCI_MAC_RC (AR5315_PCI + 0x4000)
#define PCI_MAC_SCR (AR5315_PCI + 0x4004)
#define PCI_MAC_INTPEND (AR5315_PCI + 0x4008)
#define PCI_MAC_SFR (AR5315_PCI + 0x400C)
#define PCI_MAC_RC_BB 0x00000002
#define PCI_MAC_SCR_SLMODE_M 0x00030000
-#define PCI_MAC_SCR_SLMODE_S 16
-#define PCI_MAC_SCR_SLM_FWAKE 0
-#define PCI_MAC_SCR_SLM_FSLEEP 1
-#define PCI_MAC_SCR_SLM_NORMAL 2
+#define PCI_MAC_SCR_SLMODE_S 16
+#define PCI_MAC_SCR_SLM_FWAKE 0
+#define PCI_MAC_SCR_SLM_FSLEEP 1
+#define PCI_MAC_SCR_SLM_NORMAL 2
#define PCI_MAC_SFR_SLEEP 0x00000001
#define PCI_MAC_PCICFG_SPWR_DN 0x00010000
-
+
/*
* PCI Bus Interface Registers
*/
#define AR5315_PCI_RXEOL 0x00000080 /* Desc Out EOL */
#define AR5315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */
#define AR5315_PCI_MASK 0x0000FFFF /* Desc Mask */
-#define AR5315_PCI_EXT_INT 0x02000000
-#define AR5315_PCI_ABORT_INT 0x04000000
+#define AR5315_PCI_EXT_INT 0x02000000
+#define AR5315_PCI_ABORT_INT 0x04000000
#define AR5315_PCI_INT_MASK (AR5315_PCI + 0x0504) /* same as INT_STATUS */
* sysLib.c/sysTlbInit(), in that it assumes that 2 pages of size
* PCI_TLB_PAGE_SIZE are set up in the TLB for each PCI memory space.
*/
-
+
#define CPU_TO_PCI_MEM_BASE1 0xE0000000
#define CPU_TO_PCI_MEM_SIZE1 (2*PCI_TLB_PAGE_SIZE)
-
+
/* TLB attributes for PCI transactions */
: "=r" (ret)
: "r" (val)
);
-
+
return ret;
}
-/*
+/*
* Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are
* using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime.
*/
static inline u32 sysRegMask(u32 phys, u32 mask, u32 value)
{
u32 reg;
-
+
reg = sysRegRead(phys);
reg &= ~mask;
reg |= value & mask;
projects / openwrt / openwrt.git / commitdiff