diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch b/target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch new file mode 100644 index 0000000000..8c2e6051cb --- /dev/null +++ b/target/linux/ar71xx/patches-4.4/640-MIPS-ath79-add-QCA955x-wmac-reset.patch @@ -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); + |