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wifipineapple-openwrt/target/linux/generic/patches-2.6.39/050-linux-atm_nathan.patch

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From: Nathan Williams <nathan@traverse.com.au>
To: netdev@vger.kernel.org
Date: Wed, 05 Oct 2011 15:43:30 +1100
Cc: linux-atm-general@lists.sourceforge.net,
David Woodhouse <dwmw2@infradead.org>, linux-kernel@vger.kernel.org
Subject: [Linux-ATM-General] [PATCH 1/4] atm: solos-pci: Add AnnexA/M
capability attributes
BisACapability and BisMCapability allow users to
force either Annex A or Annex M.
Signed-off-by: Nathan Williams <nathan@traverse.com.au>
---
drivers/atm/solos-attrlist.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
--- a/drivers/atm/solos-attrlist.c
+++ b/drivers/atm/solos-attrlist.c
@@ -71,6 +71,8 @@ SOLOS_ATTR_RW(BisAForceSNRMarginDn)
SOLOS_ATTR_RW(BisMForceSNRMarginDn)
SOLOS_ATTR_RW(BisAMaxMargin)
SOLOS_ATTR_RW(BisMMaxMargin)
+SOLOS_ATTR_RW(BisACapability)
+SOLOS_ATTR_RW(BisMCapability)
SOLOS_ATTR_RW(AnnexAForceSNRMarginDn)
SOLOS_ATTR_RW(AnnexAMaxMargin)
SOLOS_ATTR_RW(AnnexMMaxMargin)
--- a/drivers/atm/solos-pci.c
+++ b/drivers/atm/solos-pci.c
@@ -42,7 +42,8 @@
#include <linux/swab.h>
#include <linux/slab.h>
-#define VERSION "0.07"
+#define VERSION "1.0"
+#define DRIVER_VERSION 0x01
#define PTAG "solos-pci"
#define CONFIG_RAM_SIZE 128
@@ -56,16 +57,21 @@
#define FLASH_BUSY 0x60
#define FPGA_MODE 0x5C
#define FLASH_MODE 0x58
+#define GPIO_STATUS 0x54
+#define DRIVER_VER 0x50
#define TX_DMA_ADDR(port) (0x40 + (4 * (port)))
#define RX_DMA_ADDR(port) (0x30 + (4 * (port)))
#define DATA_RAM_SIZE 32768
#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*/
+/* Old boards use ATMEL AD45DB161D flash */
+#define ATMEL_FPGA_PAGE 528 /* FPGA flash page size*/
+#define ATMEL_SOLOS_PAGE 512 /* Solos flash page size*/
+#define ATMEL_FPGA_BLOCK (ATMEL_FPGA_PAGE * 8) /* FPGA block size*/
+#define ATMEL_SOLOS_BLOCK (ATMEL_SOLOS_PAGE * 8) /* Solos block size*/
+/* Current boards use M25P/M25PE SPI flash */
+#define SPI_FLASH_BLOCK (256 * 64)
#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))
@@ -127,6 +133,7 @@ struct solos_card {
int using_dma;
int fpga_version;
int buffer_size;
+ int atmel_flash;
};
@@ -452,7 +459,6 @@ static ssize_t console_show(struct devic
len = skb->len;
memcpy(buf, skb->data, len);
- dev_dbg(&card->dev->dev, "len: %d\n", len);
kfree_skb(skb);
return len;
@@ -499,6 +505,87 @@ static ssize_t console_store(struct devi
return err?:count;
}
+struct geos_gpio {
+ char *name;
+ int offset;
+};
+
+static struct geos_gpio geos_gpio_pins[] = {
+ {"GPIO1", 9},
+ {"GPIO2", 10},
+ {"GPIO3", 11},
+ {"GPIO4", 12},
+ {"GPIO5", 13},
+ {"PushButton", 14},
+ {NULL, 0}
+};
+
+static ssize_t geos_gpio_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
+ struct solos_card *card = atmdev->dev_data;
+ uint32_t data32;
+
+ struct geos_gpio *p = geos_gpio_pins;
+ while(p->name){
+ if(!strcmp(attr->attr.name, p->name)){
+ break;
+ }
+ p++;
+ }
+
+ data32 = ioread32(card->config_regs + GPIO_STATUS);
+ if(buf[0] == '1'){
+ data32 |= 1 << p->offset;
+ iowrite32(data32, card->config_regs + GPIO_STATUS);
+ } else if(buf[0] == '0') {
+ data32 &= ~(1 << p->offset);
+ iowrite32(data32, card->config_regs + GPIO_STATUS);
+ }
+ return count;
+}
+
+static ssize_t geos_gpio_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
+ struct solos_card *card = atmdev->dev_data;
+ uint32_t data32;
+
+ struct geos_gpio *p = geos_gpio_pins;
+ while(p->name){
+ if(!strcmp(attr->attr.name, p->name)){
+ break;
+ }
+ p++;
+ }
+
+ data32 = ioread32(card->config_regs + GPIO_STATUS);
+ data32 = (data32 >> p->offset) & 1;
+
+ return sprintf(buf, "%d\n", data32);
+}
+
+static ssize_t hardware_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct atm_dev *atmdev = container_of(dev, struct atm_dev, class_dev);
+ struct solos_card *card = atmdev->dev_data;
+ uint32_t data32;
+
+ data32 = ioread32(card->config_regs + GPIO_STATUS);
+ if(!strcmp(attr->attr.name, "HardwareVersion")){
+ data32 = data32 & 0x1F;
+ return sprintf(buf, "%d\n", data32);
+ } else if(!strcmp(attr->attr.name, "HardwareVariant")){
+ data32 = (data32 >> 5) & 0x0F;
+ return sprintf(buf, "%d\n", data32);
+ }
+
+ return sprintf(buf, "Error\n");
+}
+
static DEVICE_ATTR(console, 0644, console_show, console_store);
@@ -507,6 +594,14 @@ static DEVICE_ATTR(console, 0644, consol
#include "solos-attrlist.c"
+static DEVICE_ATTR(GPIO1, 0644, geos_gpio_show, geos_gpio_store);
+static DEVICE_ATTR(GPIO2, 0644, geos_gpio_show, geos_gpio_store);
+static DEVICE_ATTR(GPIO3, 0644, geos_gpio_show, geos_gpio_store);
+static DEVICE_ATTR(GPIO4, 0644, geos_gpio_show, geos_gpio_store);
+static DEVICE_ATTR(GPIO5, 0644, geos_gpio_show, geos_gpio_store);
+static DEVICE_ATTR(PushButton, 0444, geos_gpio_show, NULL);
+static DEVICE_ATTR(HardwareVersion, 0444, hardware_show, NULL);
+static DEVICE_ATTR(HardwareVariant, 0444, hardware_show, NULL);
#undef SOLOS_ATTR_RO
#undef SOLOS_ATTR_RW
@@ -515,6 +610,14 @@ static DEVICE_ATTR(console, 0644, consol
static struct attribute *solos_attrs[] = {
#include "solos-attrlist.c"
+ &dev_attr_GPIO1.attr,
+ &dev_attr_GPIO2.attr,
+ &dev_attr_GPIO3.attr,
+ &dev_attr_GPIO4.attr,
+ &dev_attr_GPIO5.attr,
+ &dev_attr_PushButton.attr,
+ &dev_attr_HardwareVersion.attr,
+ &dev_attr_HardwareVariant.attr,
NULL
};
@@ -535,16 +638,25 @@ static int flash_upgrade(struct solos_ca
switch (chip) {
case 0:
fw_name = "solos-FPGA.bin";
- blocksize = FPGA_BLOCK;
+ if (card->atmel_flash)
+ blocksize = ATMEL_FPGA_BLOCK;
+ else
+ blocksize = SPI_FLASH_BLOCK;
break;
case 1:
fw_name = "solos-Firmware.bin";
- blocksize = SOLOS_BLOCK;
+ if (card->atmel_flash)
+ blocksize = ATMEL_SOLOS_BLOCK;
+ else
+ blocksize = SPI_FLASH_BLOCK;
break;
case 2:
if (card->fpga_version > LEGACY_BUFFERS){
fw_name = "solos-db-FPGA.bin";
- blocksize = FPGA_BLOCK;
+ if (card->atmel_flash)
+ blocksize = ATMEL_FPGA_BLOCK;
+ else
+ blocksize = SPI_FLASH_BLOCK;
} else {
dev_info(&card->dev->dev, "FPGA version doesn't support"
" daughter board upgrades\n");
@@ -554,7 +666,10 @@ static int flash_upgrade(struct solos_ca
case 3:
if (card->fpga_version > LEGACY_BUFFERS){
fw_name = "solos-Firmware.bin";
- blocksize = SOLOS_BLOCK;
+ if (card->atmel_flash)
+ blocksize = ATMEL_SOLOS_BLOCK;
+ else
+ blocksize = SPI_FLASH_BLOCK;
} else {
dev_info(&card->dev->dev, "FPGA version doesn't support"
" daughter board upgrades\n");
@@ -599,9 +714,13 @@ static int flash_upgrade(struct solos_ca
/* dev_info(&card->dev->dev, "Set FPGA Flash mode to Block Write\n"); */
iowrite32(((chip * 2) + 1), card->config_regs + FLASH_MODE);
- /* Copy block to buffer, swapping each 16 bits */
+ /* Copy block to buffer, swapping each 16 bits for Atmel flash */
for(i = 0; i < blocksize; i += 4) {
- uint32_t word = swahb32p((uint32_t *)(fw->data + offset + i));
+ uint32_t word;
+ if (card->atmel_flash)
+ word = swahb32p((uint32_t *)(fw->data + offset + i));
+ else
+ word = *(uint32_t *)(fw->data + offset + i);
if(card->fpga_version > LEGACY_BUFFERS)
iowrite32(word, FLASH_BUF + i);
else
@@ -1153,6 +1272,11 @@ static int fpga_probe(struct pci_dev *de
db_fpga_upgrade = db_firmware_upgrade = 0;
}
+ /* Stopped using Atmel flash after 0.03-38 */
+ if (fpga_ver < 39)
+ card->atmel_flash = 1;
+ else
+ card->atmel_flash = 0;
if (card->fpga_version >= DMA_SUPPORTED){
card->using_dma = 1;
} else {
@@ -1160,6 +1284,8 @@ static int fpga_probe(struct pci_dev *de
/* Set RX empty flag for all ports */
iowrite32(0xF0, card->config_regs + FLAGS_ADDR);
}
+ /* New FPGAs require driver version before permitting flash upgrades */
+ iowrite32(DRIVER_VERSION, card->config_regs + DRIVER_VER);
data32 = ioread32(card->config_regs + PORTS);
card->nr_ports = (data32 & 0x000000FF);
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