@@ -13,9 +13,11 @@
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <linux/platform_data/i2c-xiic.h>
+#include <linux/platform_data/i2c-ocores.h>
#include <linux/ptp_clock_kernel.h>
#include <linux/spi/spi.h>
#include <linux/spi/xilinx_spi.h>
+#include <linux/spi/altera.h>
#include <net/devlink.h>
#include <linux/i2c.h>
#include <linux/mtd/mtd.h>
@@ -28,6 +30,9 @@
#define PCI_VENDOR_ID_CELESTICA 0x18d4
#define PCI_DEVICE_ID_CELESTICA_TIMECARD 0x1008
+#define PCI_VENDOR_ID_OROLIA 0x1ad7
+#define PCI_DEVICE_ID_OROLIA_ARTCARD 0xa000
+
static struct class timecard_class = {
.owner = THIS_MODULE,
.name = "timecard",
@@ -310,6 +315,7 @@ struct ptp_ocp {
struct ptp_ocp_ext_src *ts2;
struct ptp_ocp_ext_src *ts3;
struct ptp_ocp_ext_src *ts4;
+ struct ocp_art_gpio_reg __iomem *art_sma;
struct img_reg __iomem *image;
struct ptp_clock *ptp;
struct ptp_clock_info ptp_info;
@@ -370,8 +376,12 @@ static int ptp_ocp_signal_from_perout(struct ptp_ocp *bp, int gen,
static int ptp_ocp_signal_enable(void *priv, u32 req, bool enable);
static int ptp_ocp_sma_store(struct ptp_ocp *bp, const char *buf, int sma_nr);
+static int ptp_ocp_art_board_init(struct ptp_ocp *bp, struct ocp_resource *r);
+
static const struct ocp_attr_group fb_timecard_groups[];
+static const struct ocp_attr_group art_timecard_groups[];
+
struct ptp_ocp_eeprom_map {
u16 off;
u16 len;
@@ -394,6 +404,12 @@ static struct ptp_ocp_eeprom_map fb_eeprom_map[] = {
{ }
};
+static struct ptp_ocp_eeprom_map art_eeprom_map[] = {
+ { EEPROM_ENTRY(0x200 + 0x43, board_id) },
+ { EEPROM_ENTRY(0x200 + 0x63, serial) },
+ { }
+};
+
#define bp_assign_entry(bp, res, val) ({ \
uintptr_t addr = (uintptr_t)(bp) + (res)->bp_offset; \
*(typeof(val) *)addr = val; \
@@ -435,6 +451,13 @@ static struct ptp_ocp_eeprom_map fb_eeprom_map[] = {
* 14: Signal Generator 4
* 15: TS3
* 16: TS4
+ --
+ * 8: Orolia TS1
+ * 10: Orolia TS2
+ * 11: Orolia TS0 (GNSS)
+ * 12: Orolia PPS
+ * 14: Orolia TS3
+ * 15: Orolia TS4
*/
static struct ocp_resource ocp_fb_resource[] = {
@@ -661,9 +684,127 @@ static struct ocp_resource ocp_fb_resource[] = {
{ }
};
+struct ocp_art_gpio_reg {
+ struct {
+ u32 gpio;
+ u32 __pad[3];
+ } map[4];
+};
+
+static struct ocp_resource ocp_art_resource[] = {
+ {
+ OCP_MEM_RESOURCE(reg),
+ .offset = 0x01000000, .size = 0x10000,
+ },
+ {
+ OCP_SERIAL_RESOURCE(gnss_port),
+ .offset = 0x00160000 + 0x1000, .irq_vec = 3,
+ .extra = &(struct ptp_ocp_serial_port) {
+ .baud = 115200,
+ },
+ },
+ {
+ OCP_MEM_RESOURCE(art_sma),
+ .offset = 0x003C0000, .size = 0x1000,
+ },
+ /* Timestamp associated with GNSS1 receiver PPS */
+ {
+ OCP_EXT_RESOURCE(ts0),
+ .offset = 0x360000, .size = 0x20, .irq_vec = 12,
+ .extra = &(struct ptp_ocp_ext_info) {
+ .index = 0,
+ .irq_fcn = ptp_ocp_ts_irq,
+ .enable = ptp_ocp_ts_enable,
+ },
+ },
+ {
+ OCP_EXT_RESOURCE(ts1),
+ .offset = 0x380000, .size = 0x20, .irq_vec = 8,
+ .extra = &(struct ptp_ocp_ext_info) {
+ .index = 1,
+ .irq_fcn = ptp_ocp_ts_irq,
+ .enable = ptp_ocp_ts_enable,
+ },
+ },
+ {
+ OCP_EXT_RESOURCE(ts2),
+ .offset = 0x390000, .size = 0x20, .irq_vec = 10,
+ .extra = &(struct ptp_ocp_ext_info) {
+ .index = 2,
+ .irq_fcn = ptp_ocp_ts_irq,
+ .enable = ptp_ocp_ts_enable,
+ },
+ },
+ {
+ OCP_EXT_RESOURCE(ts3),
+ .offset = 0x3A0000, .size = 0x20, .irq_vec = 14,
+ .extra = &(struct ptp_ocp_ext_info) {
+ .index = 3,
+ .irq_fcn = ptp_ocp_ts_irq,
+ .enable = ptp_ocp_ts_enable,
+ },
+ },
+ {
+ OCP_EXT_RESOURCE(ts4),
+ .offset = 0x3B0000, .size = 0x20, .irq_vec = 15,
+ .extra = &(struct ptp_ocp_ext_info) {
+ .index = 4,
+ .irq_fcn = ptp_ocp_ts_irq,
+ .enable = ptp_ocp_ts_enable,
+ },
+ },
+ /* Timestamp associated with Internal PPS of the card */
+ {
+ OCP_EXT_RESOURCE(pps),
+ .offset = 0x00330000, .size = 0x20, .irq_vec = 11,
+ .extra = &(struct ptp_ocp_ext_info) {
+ .index = 5,
+ .irq_fcn = ptp_ocp_ts_irq,
+ .enable = ptp_ocp_ts_enable,
+ },
+ },
+ {
+ OCP_SPI_RESOURCE(spi_flash),
+ .offset = 0x00310000, .size = 0x10000, .irq_vec = 9,
+ .extra = &(struct ptp_ocp_flash_info) {
+ .name = "spi_altera", .pci_offset = 0,
+ .data_size = sizeof(struct altera_spi_platform_data),
+ .data = &(struct altera_spi_platform_data) {
+ .num_chipselect = 1,
+ .num_devices = 1,
+ .devices = &(struct spi_board_info) {
+ .modalias = "spi-nor",
+ },
+ },
+ },
+ },
+ {
+ OCP_I2C_RESOURCE(i2c_ctrl),
+ .offset = 0x350000, .size = 0x100, .irq_vec = 4,
+ .extra = &(struct ptp_ocp_i2c_info) {
+ .name = "ocores-i2c",
+ .fixed_rate = 400000,
+ .data_size = sizeof(struct ocores_i2c_platform_data),
+ .data = &(struct ocores_i2c_platform_data) {
+ .clock_khz = 125000,
+ .bus_khz = 400,
+ .num_devices = 1,
+ .devices = &(struct i2c_board_info) {
+ I2C_BOARD_INFO("24c08", 0x50),
+ },
+ },
+ },
+ },
+ {
+ .setup = ptp_ocp_art_board_init,
+ },
+ { }
+};
+
static const struct pci_device_id ptp_ocp_pcidev_id[] = {
{ PCI_DEVICE_DATA(FACEBOOK, TIMECARD, &ocp_fb_resource) },
{ PCI_DEVICE_DATA(CELESTICA, TIMECARD, &ocp_fb_resource) },
+ { PCI_DEVICE_DATA(OROLIA, ARTCARD, &ocp_art_resource) },
{ }
};
MODULE_DEVICE_TABLE(pci, ptp_ocp_pcidev_id);
@@ -728,6 +869,19 @@ static const struct ocp_selector ptp_ocp_sma_out[] = {
{ }
};
+static const struct ocp_selector ptp_ocp_art_sma_in[] = {
+ { .name = "PPS1", .value = 0x0001 },
+ { .name = "10Mhz", .value = 0x0008 },
+ { }
+};
+
+static const struct ocp_selector ptp_ocp_art_sma_out[] = {
+ { .name = "PHC", .value = 0x0002 },
+ { .name = "GNSS", .value = 0x0004 },
+ { .name = "10Mhz", .value = 0x0010 },
+ { }
+};
+
struct ocp_sma_op {
const struct ocp_selector *tbl[2];
void (*init)(struct ptp_ocp *bp);
@@ -2275,6 +2429,121 @@ ptp_ocp_register_resources(struct ptp_ocp *bp, kernel_ulong_t driver_data)
return err;
}
+static void
+ptp_ocp_art_sma_init(struct ptp_ocp *bp)
+{
+ u32 reg;
+ int i;
+
+ /* defaults */
+ bp->sma[0].mode = SMA_MODE_IN;
+ bp->sma[1].mode = SMA_MODE_IN;
+ bp->sma[2].mode = SMA_MODE_OUT;
+ bp->sma[3].mode = SMA_MODE_OUT;
+
+ bp->sma[0].default_fcn = 0x08; /* IN: 10Mhz */
+ bp->sma[1].default_fcn = 0x01; /* IN: PPS1 */
+ bp->sma[2].default_fcn = 0x10; /* OUT: 10Mhz */
+ bp->sma[3].default_fcn = 0x02; /* OUT: PHC */
+
+ /* If no SMA map, the pin functions and directions are fixed. */
+ if (!bp->art_sma) {
+ for (i = 0; i < 4; i++) {
+ bp->sma[i].fixed_fcn = true;
+ bp->sma[i].fixed_dir = true;
+ }
+ return;
+ }
+
+ for (i = 0; i < 4; i++) {
+ reg = ioread32(&bp->art_sma->map[i].gpio);
+
+ switch (reg & 0xff) {
+ case 0:
+ bp->sma[i].fixed_fcn = true;
+ bp->sma[i].fixed_dir = true;
+ break;
+ case 1:
+ case 8:
+ bp->sma[i].mode = SMA_MODE_IN;
+ break;
+ default:
+ bp->sma[i].mode = SMA_MODE_OUT;
+ break;
+ }
+ }
+}
+
+static u32
+ptp_ocp_art_sma_get(struct ptp_ocp *bp, int sma_nr)
+{
+ if (bp->sma[sma_nr - 1].fixed_fcn)
+ return bp->sma[sma_nr - 1].default_fcn;
+
+ return ioread32(&bp->art_sma->map[sma_nr - 1].gpio) & 0xff;
+}
+
+/* note: store 0 is considered invalid. */
+static int
+ptp_ocp_art_sma_set(struct ptp_ocp *bp, int sma_nr, u32 val)
+{
+ unsigned long flags;
+ u32 __iomem *gpio;
+ int err = 0;
+ u32 reg;
+
+ val &= SMA_SELECT_MASK;
+ if (hweight32(val) > 1)
+ return -EINVAL;
+
+ gpio = &bp->art_sma->map[sma_nr - 1].gpio;
+
+ spin_lock_irqsave(&bp->lock, flags);
+ reg = ioread32(gpio);
+ if (((reg >> 16) & val) == 0) {
+ err = -EOPNOTSUPP;
+ } else {
+ reg = (reg & 0xff00) | (val & 0xff);
+ iowrite32(reg, gpio);
+ }
+ spin_unlock_irqrestore(&bp->lock, flags);
+
+ return err;
+}
+
+static const struct ocp_sma_op ocp_art_sma_op = {
+ .tbl = { ptp_ocp_art_sma_in, ptp_ocp_art_sma_out },
+ .init = ptp_ocp_art_sma_init,
+ .get = ptp_ocp_art_sma_get,
+ .set_inputs = ptp_ocp_art_sma_set,
+ .set_output = ptp_ocp_art_sma_set,
+};
+
+/* ART specific board initializers; last "resource" registered. */
+static int
+ptp_ocp_art_board_init(struct ptp_ocp *bp, struct ocp_resource *r)
+{
+ int err;
+
+ bp->flash_start = 0x1000000;
+ bp->eeprom_map = art_eeprom_map;
+ bp->fw_cap = OCP_CAP_BASIC;
+ bp->fw_version = ioread32(&bp->reg->version);
+ bp->fw_tag = 2;
+ bp->sma_op = &ocp_art_sma_op;
+
+ /* Enable MAC serial port during initialisation */
+ iowrite32(1, &bp->board_config->mro50_serial_activate);
+
+ ptp_ocp_sma_init(bp);
+
+ err = ptp_ocp_attr_group_add(bp, art_timecard_groups);
+ if (err)
+ return err;
+
+ return ptp_ocp_init_clock(bp);
+}
+
static ssize_t
ptp_ocp_show_output(const struct ocp_selector *tbl, u32 val, char *buf,
int def_val)
@@ -3083,6 +3352,30 @@ static const struct ocp_attr_group fb_timecard_groups[] = {
{ },
};
+static struct attribute *art_timecard_attrs[] = {
+ &dev_attr_serialnum.attr,
+ &dev_attr_clock_source.attr,
+ &dev_attr_available_clock_sources.attr,
+ &dev_attr_utc_tai_offset.attr,
+ &dev_attr_ts_window_adjust.attr,
+ &dev_attr_sma1.attr,
+ &dev_attr_sma2.attr,
+ &dev_attr_sma3.attr,
+ &dev_attr_sma4.attr,
+ &dev_attr_available_sma_inputs.attr,
+ &dev_attr_available_sma_outputs.attr,
+ NULL,
+};
+
+static const struct attribute_group art_timecard_group = {
+ .attrs = art_timecard_attrs,
+};
+
+static const struct ocp_attr_group art_timecard_groups[] = {
+ { .cap = OCP_CAP_BASIC, .group = &art_timecard_group },
+ { },
+};
+
static void
gpio_input_map(char *buf, struct ptp_ocp *bp, u16 map[][2], u16 bit,
const char *def)