Signed-off-by: Stanislaw Gruszka <stf_xl@xxxxx>
---
arch/arm/mach-at91/at91sam9263_devices.c | 97 ++++++++++++++++++++++++++++++
1 files changed, 97 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index b753cb8..503651a 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -347,6 +347,103 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {}
#endif
+/* --------------------------------------------------------------------
+ * IDE
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_BLK_DEV_IDE_AT91) || defined(CONFIG_BLK_DEV_IDE_AT91_MODULE)
+
+/* Proper CS address space will be added */
+#define AT91_IDE_TASK_FILE 0x00c00000
+#define AT91_IDE_CTRL_REG 0x00e00000
+
+static struct resource ide_resources[] = {
+ [0] = {
+ .start = AT91_IDE_TASK_FILE,
+ .end = AT91_IDE_TASK_FILE + 16 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = AT91_IDE_CTRL_REG,
+ .end = AT91_IDE_CTRL_REG + 16 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct at91_ide_data ide_data;
+
+static struct platform_device at91_ide_device = {
+ .name = "at91_ide",
+ .id = -1,
+ .dev = {
+ .platform_data = &ide_data,
+ },
+ .resource = ide_resources,
+ .num_resources = ARRAY_SIZE(ide_resources),
+};
+
+void __init at91_add_device_ide(struct at91_ide_data *data)
+{
+ unsigned long ebi0_csa, addr_space;
+ u8 chipselect = data->chipselect;
+
+ /* enable PIO controlled pins, inputs with pull ups */
+ if (data->rst_pin)
+ at91_set_gpio_output(data->rst_pin, 0); /* reset card */
+
+ at91_set_gpio_input(data->irq_pin, 1);
+ at91_set_deglitch(data->irq_pin, 1);
+
+ if (data->det_pin) {
+ at91_set_gpio_input(data->det_pin, 1);
+ at91_set_deglitch(data->det_pin, 1);
+ }
+
+ /* enable EBI SMC controlled pins */
+ at91_set_A_periph(AT91_PIN_PD5, 1); /* NWAIT */
+ at91_set_A_periph(AT91_PIN_PD8, 0); /* CFCE1 */
+ at91_set_A_periph(AT91_PIN_PD9, 0); /* CFCE2 */
+ at91_set_A_periph(AT91_PIN_PD14, 0); /* CFNRW */
+
+ /* assign CS4/5 to SMC with Compact Flash logic support
+ * and fix resources addresses */
+ ebi0_csa = at91_sys_read(AT91_MATRIX_EBI0CSA);
+ switch (chipselect) {
+ case 4:
+ at91_set_A_periph(AT91_PIN_PD6, 0); /* EBI0_NCS4/CFCS0 */
+ ebi0_csa |= AT91_MATRIX_EBI0_CS4A_SMC_CF1;
+ addr_space = AT91_CHIPSELECT_4;
+ break;
+ case 5:
+ at91_set_A_periph(AT91_PIN_PD7, 0); /* EBI0_NCS5/CFCS1 */
+ ebi0_csa |= AT91_MATRIX_EBI0_CS5A_SMC_CF2;
+ addr_space = AT91_CHIPSELECT_5;
+ break;
+ default:
+ printk(KERN_ERR "at91_ide: bad chip select %u\n", chipselect);
+ return;
+ }
+ at91_sys_write(AT91_MATRIX_EBI0CSA, ebi0_csa);
+ ide_resources[0].start += addr_space;
+ ide_resources[0].end += addr_space;
+ ide_resources[1].start += addr_space;
+ ide_resources[1].end += addr_space;
+
+ /* turn on the card if reset pin is GPIO */
+ if (data->rst_pin)
+ at91_set_gpio_value(data->rst_pin, 1);
+
+ if (data->det_pin && at91_get_gpio_value(data->det_pin) != 0) {
+ printk(KERN_ERR "at91_ide: no Compact Flash card detected\n");
+ return;
+ }
+
+ ide_data = *data;
+ platform_device_register(&at91_ide_device);
+}
+#else
+void __init at91_add_device_ide(struct at91_ide_data *data) {}
+#endif
/* --------------------------------------------------------------------
* NAND / SmartMedia
--
1.5.2.5
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