ar71xx: add platform data for the RB750 NAND driver

[openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-rb750.c

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
index 976617b..bcd961e 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-rb750.c
@@ -1,5 +1,5 @@
 /*
- *  MikroTik RouterBOARD 750 support
+ *  MikroTik RouterBOARD 750/750GL support
  *
  *  Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
  *
@@ -59,9 +59,13 @@ static struct platform_device rb750_leds_device = {
        }
 };
 
+static struct rb7xx_nand_platform_data rb750_nand_data;
 static struct platform_device rb750_nand_device = {
        .name   = "rb750-nand",
        .id     = -1,
+       .dev    = {
+               .platform_data = &rb750_nand_data,
+       }
 };
 
 int rb750_latch_change(u32 mask_clr, u32 mask_set)
@@ -113,19 +117,24 @@ unlock:
 }
 EXPORT_SYMBOL_GPL(rb750_latch_change);
 
-void rb750_nand_pins_enable(void)
+static void rb750_nand_enable_pins(void)
 {
+       rb750_latch_change(RB750_LVC573_LE, 0);
        ath79_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
                                  AR724X_GPIO_FUNC_SPI_EN);
 }
-EXPORT_SYMBOL_GPL(rb750_nand_pins_enable);
 
-void rb750_nand_pins_disable(void)
+static void rb750_nand_disable_pins(void)
 {
        ath79_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
                                  AR724X_GPIO_FUNC_JTAG_DISABLE);
+       rb750_latch_change(0, RB750_LVC573_LE);
+}
+
+static void rb750_nand_latch_change(u32 clear, u32 set)
+{
+       rb750_latch_change(clear, set);
 }
-EXPORT_SYMBOL_GPL(rb750_nand_pins_disable);
 
 static void __init rb750_setup(void)
 {
@@ -147,6 +156,11 @@ static void __init rb750_setup(void)
        ath79_register_eth(0);
 
        platform_device_register(&rb750_leds_device);
+
+       rb750_nand_data.nce_line = RB750_NAND_NCE;
+       rb750_nand_data.enable_pins = rb750_nand_enable_pins;
+       rb750_nand_data.disable_pins = rb750_nand_disable_pins;
+       rb750_nand_data.latch_change = rb750_nand_latch_change;
        platform_device_register(&rb750_nand_device);
 }