ar71xx: allow to register the NAND flash controller on the QCA955x

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34945 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c
index 6155f70..5208279 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c
@@ -38,6 +38,22 @@ static struct platform_device ath79_nfc_device = {
        },
 };
 
+static void __init ath79_nfc_init_resource(struct resource res[2],
+                                          unsigned long base,
+                                          unsigned long size,
+                                          int irq)
+{
+       memset(res, 0, sizeof(res));
+
+       res[0].flags = IORESOURCE_MEM;
+       res[0].start = base;
+       res[0].end = base + size - 1;
+
+       res[1].flags = IORESOURCE_IRQ;
+       res[1].start = irq;
+       res[1].end = irq;
+}
+
 static void ar934x_nfc_hw_reset(bool active)
 {
        if (active) {
@@ -57,15 +73,33 @@ static void ar934x_nfc_hw_reset(bool active)
 
 static void ar934x_nfc_setup(void)
 {
-       ath79_nfc_resources[0].start = AR934X_NFC_BASE;
-       ath79_nfc_resources[0].end = AR934X_NFC_BASE + AR934X_NFC_SIZE - 1;
-       ath79_nfc_resources[0].flags = IORESOURCE_MEM;
+       ath79_nfc_data.hw_reset = ar934x_nfc_hw_reset;
 
-       ath79_nfc_resources[1].start = ATH79_MISC_IRQ(21);
-       ath79_nfc_resources[1].end = ATH79_MISC_IRQ(21);
-       ath79_nfc_resources[1].flags = IORESOURCE_IRQ;
+       ath79_nfc_init_resource(ath79_nfc_resources,
+                               AR934X_NFC_BASE, AR934X_NFC_SIZE,
+                               ATH79_MISC_IRQ(21));
 
-       ath79_nfc_data.hw_reset = ar934x_nfc_hw_reset;
+       platform_device_register(&ath79_nfc_device);
+}
+
+static void qca955x_nfc_hw_reset(bool active)
+{
+       if (active) {
+               ath79_device_reset_set(QCA955X_RESET_NANDF);
+               udelay(250);
+       } else {
+               ath79_device_reset_clear(QCA955X_RESET_NANDF);
+               udelay(100);
+       }
+}
+
+static void qca955x_nfc_setup(void)
+{
+       ath79_nfc_data.hw_reset = qca955x_nfc_hw_reset;
+
+       ath79_nfc_init_resource(ath79_nfc_resources,
+                               QCA955X_NFC_BASE, QCA955X_NFC_SIZE,
+                               ATH79_MISC_IRQ(21));
 
        platform_device_register(&ath79_nfc_device);
 }
@@ -95,6 +129,8 @@ void __init ath79_register_nfc(void)
 {
        if (soc_is_ar934x())
                ar934x_nfc_setup();
+       else if (soc_is_qca955x())
+               qca955x_nfc_setup();
        else
                BUG();
 }