From 1276afc164f22c1d2304df0f57e0bdcab160f0b8 Mon Sep 17 00:00:00 2001
From: Matthieu Crapet <mcrapet@gmail.com>
Date: Sun, 17 Jan 2010 17:59:19 +0100
Subject: [PATCH 08/16] ts72xx_ts_eth100
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Petr Štetiar <ynezz@true.cz>
---
drivers/net/Kconfig | 10 ++
drivers/net/Makefile | 1 +
drivers/net/ax88796.c | 4 +
drivers/net/ax88796_ts_eth100.c | 185 +++++++++++++++++++++++++++++++++++++++
4 files changed, 200 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/ax88796_ts_eth100.c
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index dd9a09c..4007f1e 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -236,6 +236,16 @@ config AX88796_93CX6
help
Select this if your platform comes with an external 93CX6 eeprom.
+config AX88796_TS_ETH100
+ tristate "Support for TS-ETH100 (TS-72XX SBC)"
+ depends on AX88796 && MACH_TS72XX
+ help
+ Say Y here if you have a TS-ETH100 PC/104 peripheral.
+ IRQ numbers and I/O address will be configurated automatically.
+
+ To compile this driver as a module, choose M here: the module
+ will be called ax88796_ts_eth100.
+
config MACE
tristate "MACE (Power Mac ethernet) support"
depends on PPC_PMAC && PPC32
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index ad1346d..5e50254 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -140,6 +140,7 @@ obj-$(CONFIG_B44) += b44.o
obj-$(CONFIG_FORCEDETH) += forcedeth.o
obj-$(CONFIG_NE_H8300) += ne-h8300.o 8390.o
obj-$(CONFIG_AX88796) += ax88796.o
+obj-$(CONFIG_AX88796_TS_ETH100) += ax88796_ts_eth100.o
obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o
obj-$(CONFIG_TSI108_ETH) += tsi108_eth.o
diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c
index 1dd4403..8a88508 100644
--- a/drivers/net/ax88796.c
+++ b/drivers/net/ax88796.c
@@ -934,7 +934,11 @@ static int ax_probe(struct platform_device *pdev)
goto exit_mem2;
}
+ #ifdef CONFIG_AX88796_TS_ETH100
+ ei_status.reg_offset[0x10] = ax->map2 - ei_status.mem + 0x10;
+ #else
ei_status.reg_offset[0x1f] = ax->map2 - ei_status.mem;
+ #endif
}
/* got resources, now initialise and register device */
diff --git a/drivers/net/ax88796_ts_eth100.c b/drivers/net/ax88796_ts_eth100.c
new file mode 100644
index 0000000..e8eb5e7
--- /dev/null
+++ b/drivers/net/ax88796_ts_eth100.c
@@ -0,0 +1,185 @@
+/*
+ * linux/drivers/net/ax88796_ts_eth100.c
+ * Technologic Systems TS-ETH100 support.
+ *
+ * (c) Copyright 2008 Matthieu Crapet <mcrapet@gmail.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 program is distributed in the hope that 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.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <net/ax88796.h>
+#include <mach/ts72xx.h>
+#include <mach/gpio.h>
+
+#define TS72XX_ETH100_IO8_PHYS_BASE (TS72XX_PC104_8BIT_IO_PHYS_BASE)
+#define TS72XX_ETH100_IO8_SIZE (TS72XX_PC104_8BIT_IO_SIZE)
+#define TS72XX_ETH100_IO16_PHYS_BASE (TS72XX_PC104_16BIT_IO_PHYS_BASE)
+#define TS72XX_ETH100_IO16_SIZE (TS72XX_PC104_16BIT_IO_SIZE)
+
+/* Technologic systems I/O space */
+#define TS_ETH100_PLD_0 0x100
+#define TS_ETH100_PLD_1 0x110
+#define TS_ETH100_PLD_2 0x120
+#define TS_ETH100_PLD_3 0x130
+
+/* NE2000 I/O space */
+#define TS_ETH100_MAC_0 0x200
+#define TS_ETH100_MAC_1 0x240
+#define TS_ETH100_MAC_2 0x300
+#define TS_ETH100_MAC_3 0x340
+
+/* Board identifier must be 5 ; PLD revision should be 1 */
+#define is_eth100_present(__iomem, __offset) \
+ (((__raw_readb(__iomem + __offset) & 0xF) == 0x5) && \
+ ((__raw_readb(__iomem + __offset + 4) & 0xF) == 0x1))
+
+/* Jumpers status (SRAM control register) */
+#define read_irq(__iomem, __offset) \
+ (__raw_readb(__iomem + __offset + 8) & 0xE)
+
+
+static u32 offsets[0x20] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F
+};
+
+static struct ax_plat_data ts72xx_eth100_asix_data = {
+ .flags = AXFLG_HAS_93CX6,
+ .wordlength = 2,
+ .dcr_val = 0x48,
+ .rcr_val = 0x40,
+ .reg_offsets = offsets,
+};
+
+static struct resource ts72xx_eth100_resource[] = {
+ [0] = {
+ .start = TS72XX_ETH100_IO8_PHYS_BASE,
+ .end = TS72XX_ETH100_IO8_PHYS_BASE + 0x3ff, //0x20 -1,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = { /* 0x10 is NE_DATAPORT is 16-bit access */
+ .start = TS72XX_ETH100_IO16_PHYS_BASE,
+ .end = TS72XX_ETH100_IO16_PHYS_BASE + 0x3ff, //0x20 -1,
+ .flags = IORESOURCE_MEM
+ },
+ [2] = {
+ .start = IRQ_EP93XX_EXT1,
+ .end = IRQ_EP93XX_EXT1,
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+
+static void ts72xx_eth100_release(struct device *dev)
+{
+ // nothing to do (no kfree) because we have static struct
+}
+
+
+static struct platform_device ts72xx_eth100_device_asix = {
+ .name = "ax88796",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(ts72xx_eth100_resource),
+ .resource = ts72xx_eth100_resource,
+ .dev = {
+ .platform_data = &ts72xx_eth100_asix_data,
+ .release = ts72xx_eth100_release,
+ }
+};
+
+
+static int __init ts_eth100_init(void)
+{
+ void __iomem *iomem;
+ static struct platform_device *ethX = NULL;
+
+ iomem = ioremap(TS72XX_ETH100_IO8_PHYS_BASE, TS72XX_ETH100_IO8_SIZE);
+ if (iomem != NULL) {
+ int irq = 0;
+
+ ethX = &ts72xx_eth100_device_asix;
+
+ if (is_eth100_present(iomem, TS_ETH100_PLD_0)) {
+ ethX->resource[0].start += TS_ETH100_MAC_0;
+ ethX->resource[0].end += TS_ETH100_MAC_0;
+ ethX->resource[1].start += TS_ETH100_MAC_0;
+ ethX->resource[1].end += TS_ETH100_MAC_0;
+ irq = read_irq(iomem, TS_ETH100_PLD_0);
+ } else if(is_eth100_present(iomem, TS_ETH100_PLD_1)) {
+ ethX->resource[0].start += TS_ETH100_MAC_1;
+ ethX->resource[0].end += TS_ETH100_MAC_1;
+ ethX->resource[1].start += TS_ETH100_MAC_1;
+ ethX->resource[1].end += TS_ETH100_MAC_1;
+ irq = read_irq(iomem, TS_ETH100_PLD_1);
+ } else if(is_eth100_present(iomem, TS_ETH100_PLD_2)) {
+ ethX->resource[0].start += TS_ETH100_MAC_2;
+ ethX->resource[0].end += TS_ETH100_MAC_2;
+ ethX->resource[1].start += TS_ETH100_MAC_2;
+ ethX->resource[1].end += TS_ETH100_MAC_2;
+ irq = read_irq(iomem, TS_ETH100_PLD_2);
+ } else if(is_eth100_present(iomem, TS_ETH100_PLD_3)) {
+ ethX->resource[0].start += TS_ETH100_MAC_3;
+ ethX->resource[0].end += TS_ETH100_MAC_3;
+ ethX->resource[1].start += TS_ETH100_MAC_3;
+ ethX->resource[1].end += TS_ETH100_MAC_3;
+ irq = read_irq(iomem, TS_ETH100_PLD_3);
+ } else {
+ ethX = NULL;
+ }
+
+ /* Translate IRQ number */
+ if (ethX != NULL) {
+ switch (irq) {
+ case 0x2: /* IRQ5 */
+ ethX->resource[2].start = gpio_to_irq(EP93XX_GPIO_LINE_F(3)); // 83
+ ethX->resource[2].end = gpio_to_irq(EP93XX_GPIO_LINE_F(3));
+ gpio_direction_input(EP93XX_GPIO_LINE_F(3));
+ set_irq_type(ethX->resource[2].start, IRQ_TYPE_EDGE_RISING);
+ break;
+ case 0x4: /* IRQ6 */
+ ethX->resource[2].start = IRQ_EP93XX_EXT1;
+ ethX->resource[2].end = IRQ_EP93XX_EXT1;
+ break;
+ case 0x8: /* IRQ7 */
+ default:
+ ethX->resource[2].start = IRQ_EP93XX_EXT3;
+ ethX->resource[2].end = IRQ_EP93XX_EXT3;
+ break;
+ }
+ }
+
+ iounmap(iomem);
+ }
+
+ return ((ethX == NULL) ? -ENODEV :
+ platform_device_register(&ts72xx_eth100_device_asix));
+}
+
+
+static void __exit ts_eth100_exit(void)
+{
+ platform_device_unregister(&ts72xx_eth100_device_asix);
+}
+
+module_init(ts_eth100_init);
+module_exit(ts_eth100_exit);
+
+MODULE_AUTHOR("Matthieu Crapet <mcrapet@gmail.com>");
+MODULE_DESCRIPTION("Asix 88796 ethernet probe module for TS-ETH100 (TS-72xx)");
+MODULE_LICENSE("GPL");
+MODULE_VERSION("0.2");
--
1.6.3.3