summaryrefslogtreecommitdiff
path: root/target/linux/ar71xx/files
diff options
context:
space:
mode:
authorGabor Juhos <juhosg@openwrt.org>2013-01-01 13:10:36 +0000
committerGabor Juhos <juhosg@openwrt.org>2013-01-01 13:10:36 +0000
commit66efec678367d2c6667975182bb53383880f864a (patch)
tree9e1bce643a25df83d47366e6cb0d97047b07204c /target/linux/ar71xx/files
parent2c77e5d7b3be846491a2bc6718085af2343d9cb6 (diff)
downloadmtk-20170518-66efec678367d2c6667975182bb53383880f864a.zip
mtk-20170518-66efec678367d2c6667975182bb53383880f864a.tar.gz
mtk-20170518-66efec678367d2c6667975182bb53383880f864a.tar.bz2
ar71xx: allow to register the NAND flash controller on the QCA955x
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 34945
Diffstat (limited to 'target/linux/ar71xx/files')
-rw-r--r--target/linux/ar71xx/files/arch/mips/ath79/dev-nfc.c50
1 files changed, 43 insertions, 7 deletions
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
--- 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();
}