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ar71xx: define wmac reset function for QCA955x

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2016-07-09 16:12:46 +02:00
parent 7bdc21de72
commit a176168a85
2 changed files with 85 additions and 3 deletions
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82
target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch Normal file
View File

@ -0,0 +1,82 @@
--- a/arch/mips/ath79/common.c
+++ b/arch/mips/ath79/common.c
@@ -39,7 +39,7 @@ unsigned int ath79_soc_rev;
void __iomem *ath79_pll_base;
void __iomem *ath79_reset_base;
EXPORT_SYMBOL_GPL(ath79_reset_base);
-static void __iomem *ath79_ddr_base;
+void __iomem *ath79_ddr_base;
static void __iomem *ath79_ddr_wb_flush_base;
static void __iomem *ath79_ddr_pci_win_base;
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -32,7 +32,7 @@
#define AR71XX_SPI_SIZE 0x01000000
#define AR71XX_DDR_CTRL_BASE (AR71XX_APB_BASE + 0x00000000)
-#define AR71XX_DDR_CTRL_SIZE 0x100
+#define AR71XX_DDR_CTRL_SIZE 0x200
#define AR71XX_UART_BASE (AR71XX_APB_BASE + 0x00020000)
#define AR71XX_UART_SIZE 0x100
#define AR71XX_USB_CTRL_BASE (AR71XX_APB_BASE + 0x00030000)
@@ -218,6 +218,9 @@
#define QCA953X_DDR_REG_FLUSH_PCIE 0xa8
#define QCA953X_DDR_REG_FLUSH_WMAC 0xac
+#define QCA955X_DDR_CTL_CONFIG 0x108
+#define QCA955X_DDR_CTL_CONFIG_ACT_WMAC BIT(23)
+
/*
* PLL block
*/
--- a/arch/mips/ath79/dev-wmac.c
+++ b/arch/mips/ath79/dev-wmac.c
@@ -171,6 +171,27 @@ static void qca953x_wmac_setup(void)
ath79_wmac_data.get_mac_revision = ar93xx_get_soc_revision;
}
+static int ar955x_wmac_reset(void)
+{
+ int i;
+
+ /* Try to wait for WMAC DDR activity to stop */
+ for (i = 0; i < 10; i++) {
+ if (!(__raw_readl(ath79_ddr_base + QCA955X_DDR_CTL_CONFIG) &
+ QCA955X_DDR_CTL_CONFIG_ACT_WMAC))
+ break;
+
+ udelay(10);
+ }
+
+ ath79_device_reset_set(QCA955X_RESET_RTC);
+ udelay(10);
+ ath79_device_reset_clear(QCA955X_RESET_RTC);
+ udelay(10);
+
+ return 0;
+}
+
static void qca955x_wmac_setup(void)
{
u32 t;
@@ -187,6 +208,8 @@ static void qca955x_wmac_setup(void)
ath79_wmac_data.is_clk_25mhz = false;
else
ath79_wmac_data.is_clk_25mhz = true;
+
+ ath79_wmac_data.external_reset = ar955x_wmac_reset;
}
static void qca956x_wmac_setup(void)
--- a/arch/mips/ath79/common.h
+++ b/arch/mips/ath79/common.h
@@ -19,6 +19,8 @@
#define ATH79_MEM_SIZE_MIN (2 * 1024 * 1024)
#define ATH79_MEM_SIZE_MAX (256 * 1024 * 1024)
+extern void __iomem *ath79_ddr_base;
+
void ath79_clocks_init(void);
unsigned long ath79_get_sys_clk_rate(const char *id);

6
target/linux/ar71xx/patches-4.4/820-MIPS-ath79-add_gpio_function2_setup.patch
View File

@ -4,7 +4,7 @@ functions on the Arduino Yun.
--- a/arch/mips/ath79/common.h
+++ b/arch/mips/ath79/common.h
@@ -28,6 +28,7 @@ void ath79_ddr_wb_flush(unsigned int reg
@@ -30,6 +30,7 @@ void ath79_ddr_wb_flush(unsigned int reg
void ath79_gpio_function_enable(u32 mask);
void ath79_gpio_function_disable(u32 mask);
void ath79_gpio_function_setup(u32 set, u32 clear);
@ -48,7 +48,7 @@ functions on the Arduino Yun.
void __iomem *reg = ath79_gpio_get_function_reg();
--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
@@ -847,6 +847,7 @@
@@ -850,6 +850,7 @@
#define AR71XX_GPIO_REG_INT_PENDING 0x20
#define AR71XX_GPIO_REG_INT_ENABLE 0x24
#define AR71XX_GPIO_REG_FUNC 0x28
@ -56,7 +56,7 @@ functions on the Arduino Yun.
#define AR934X_GPIO_REG_OUT_FUNC0 0x2c
#define AR934X_GPIO_REG_OUT_FUNC1 0x30
@@ -971,6 +972,8 @@
@@ -974,6 +975,8 @@
#define AR724X_GPIO_FUNC_UART_EN BIT(1)
#define AR724X_GPIO_FUNC_JTAG_DISABLE BIT(0)