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solos: support new FPGA RAM layout 

Buffer sizes have been changed to 2048 bytes.
Flash upgrades use a dedicated RAM block.
Add support for daughterboard.

Signed-off-by: Nathan Williams <nathan@traverse.com.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Nathan Williams 2009-03-25 20:27:37 +11:00 committed by David Woodhouse
parent 1329f4550f
commit 4dbedf43d2
1 changed files with 62 additions and 9 deletions
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71
drivers/atm/solos-pci.c
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@ -59,21 +59,29 @@
#define RX_DMA_ADDR(port) (0x30 + (4 * (port)))
#define DATA_RAM_SIZE 32768
#define BUF_SIZE 4096
#define BUF_SIZE 2048
#define OLD_BUF_SIZE 4096 /* For FPGA versions <= 2*/
#define FPGA_PAGE 528 /* FPGA flash page size*/
#define SOLOS_PAGE 512 /* Solos flash page size*/
#define FPGA_BLOCK (FPGA_PAGE * 8) /* FPGA flash block size*/
#define SOLOS_BLOCK (SOLOS_PAGE * 8) /* Solos flash block size*/
#define RX_BUF(card, nr) ((card->buffers) + (nr)*BUF_SIZE*2)
#define TX_BUF(card, nr) ((card->buffers) + (nr)*BUF_SIZE*2 + BUF_SIZE)
#define RX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2)
#define TX_BUF(card, nr) ((card->buffers) + (nr)*(card->buffer_size)*2 + (card->buffer_size))
#define FLASH_BUF ((card->buffers) + 4*(card->buffer_size)*2)
#define RX_DMA_SIZE 2048
#define FPGA_VERSION(a,b) (((a) << 8) + (b))
#define LEGACY_BUFFERS 2
#define DMA_SUPPORTED 4
static int reset = 0;
static int atmdebug = 0;
static int firmware_upgrade = 0;
static int fpga_upgrade = 0;
static int db_firmware_upgrade = 0;
static int db_fpga_upgrade = 0;
struct pkt_hdr {
__le16 size;
@ -116,6 +124,8 @@ struct solos_card {
wait_queue_head_t param_wq;
wait_queue_head_t fw_wq;
int using_dma;
int fpga_version;
int buffer_size;
};
@ -136,10 +146,14 @@ MODULE_PARM_DESC(reset, "Reset Solos chips on startup");
MODULE_PARM_DESC(atmdebug, "Print ATM data");
MODULE_PARM_DESC(firmware_upgrade, "Initiate Solos firmware upgrade");
MODULE_PARM_DESC(fpga_upgrade, "Initiate FPGA upgrade");
MODULE_PARM_DESC(db_firmware_upgrade, "Initiate daughter board Solos firmware upgrade");
MODULE_PARM_DESC(db_fpga_upgrade, "Initiate daughter board FPGA upgrade");
module_param(reset, int, 0444);
module_param(atmdebug, int, 0644);
module_param(firmware_upgrade, int, 0444);
module_param(fpga_upgrade, int, 0444);
module_param(db_firmware_upgrade, int, 0444);
module_param(db_fpga_upgrade, int, 0444);
static void fpga_queue(struct solos_card *card, int port, struct sk_buff *skb,
struct atm_vcc *vcc);
@ -517,10 +531,32 @@ static int flash_upgrade(struct solos_card *card, int chip)
if (chip == 0) {
fw_name = "solos-FPGA.bin";
blocksize = FPGA_BLOCK;
} else {
}
if (chip == 1) {
fw_name = "solos-Firmware.bin";
blocksize = SOLOS_BLOCK;
}
if (chip == 2){
if (card->fpga_version > LEGACY_BUFFERS){
fw_name = "solos-db-FPGA.bin";
blocksize = FPGA_BLOCK;
} else {
dev_info(&card->dev->dev, "FPGA version doesn't support daughter board upgrades\n");
return -EPERM;
}
}
if (chip == 3){
if (card->fpga_version > LEGACY_BUFFERS){
fw_name = "solos-Firmware.bin";
blocksize = SOLOS_BLOCK;
} else {
dev_info(&card->dev->dev, "FPGA version doesn't support daughter board upgrades\n");
return -EPERM;
}
}
if (request_firmware(&fw, fw_name, &card->dev->dev))
return -ENOENT;
@ -536,8 +572,10 @@ static int flash_upgrade(struct solos_card *card, int chip)
data32 = ioread32(card->config_regs + FPGA_MODE);
/* Set mode to Chip Erase */
dev_info(&card->dev->dev, "Set FPGA Flash mode to %s Chip Erase\n",
chip?"Solos":"FPGA");
if(chip == 0 || chip == 2)
dev_info(&card->dev->dev, "Set FPGA Flash mode to FPGA Chip Erase\n");
if(chip == 1 || chip == 3)
dev_info(&card->dev->dev, "Set FPGA Flash mode to Solos Chip Erase\n");
iowrite32((chip * 2), card->config_regs + FLASH_MODE);
@ -557,7 +595,10 @@ static int flash_upgrade(struct solos_card *card, int chip)
/* Copy block to buffer, swapping each 16 bits */
for(i = 0; i < blocksize; i += 4) {
uint32_t word = swahb32p((uint32_t *)(fw->data + offset + i));
iowrite32(word, RX_BUF(card, 3) + i);
if(card->fpga_version > LEGACY_BUFFERS)
iowrite32(word, FLASH_BUF + i);
else
iowrite32(word, RX_BUF(card, 3) + i);
}
/* Specify block number and then trigger flash write */
@ -1094,12 +1135,18 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
fpga_ver = (data32 & 0x0000FFFF);
major_ver = ((data32 & 0xFF000000) >> 24);
minor_ver = ((data32 & 0x00FF0000) >> 16);
card->fpga_version = FPGA_VERSION(major_ver,minor_ver);
if (card->fpga_version > LEGACY_BUFFERS)
card->buffer_size = BUF_SIZE;
else
card->buffer_size = OLD_BUF_SIZE;
dev_info(&dev->dev, "Solos FPGA Version %d.%02d svn-%d\n",
major_ver, minor_ver, fpga_ver);
if (0 && fpga_ver > 27)
if (card->fpga_version >= DMA_SUPPORTED){
card->using_dma = 1;
else {
} else {
card->using_dma = 0;
/* Set RX empty flag for all ports */
iowrite32(0xF0, card->config_regs + FLAGS_ADDR);
}
@ -1131,6 +1178,12 @@ static int fpga_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (firmware_upgrade)
flash_upgrade(card, 1);
if (db_fpga_upgrade)
flash_upgrade(card, 2);
if (db_firmware_upgrade)
flash_upgrade(card, 3);
err = atm_init(card);
if (err)
goto out_free_irq;