diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.3/125-MIPS-ath79-add-IRQ-handling-code-for-AR934X.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.3/125-MIPS-ath79-add-IRQ-handling-code-for-AR934X.patch | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/target/linux/ar71xx/patches-3.3/125-MIPS-ath79-add-IRQ-handling-code-for-AR934X.patch b/target/linux/ar71xx/patches-3.3/125-MIPS-ath79-add-IRQ-handling-code-for-AR934X.patch deleted file mode 100644 index 1268077255..0000000000 --- a/target/linux/ar71xx/patches-3.3/125-MIPS-ath79-add-IRQ-handling-code-for-AR934X.patch +++ /dev/null @@ -1,194 +0,0 @@ -From b16fdecf14d24fe213c81409c0c2dca66d5b7bc9 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Wed, 14 Mar 2012 10:45:25 +0100 -Subject: [PATCH 30/47] MIPS: ath79: add IRQ handling code for AR934X - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> -Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> -Cc: linux-mips@linux-mips.org -Cc: mcgrof@infradead.org -Patchwork: https://patchwork.linux-mips.org/patch/3510/ -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---- - arch/mips/ath79/irq.c | 55 +++++++++++++++++++++++- - arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 25 +++++++++++ - arch/mips/include/asm/mach-ath79/irq.h | 6 ++- - 3 files changed, 83 insertions(+), 3 deletions(-) - ---- a/arch/mips/ath79/irq.c -+++ b/arch/mips/ath79/irq.c -@@ -1,10 +1,11 @@ - /* - * Atheros AR71xx/AR724x/AR913x specific interrupt handling - * -+ * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> - * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> - * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> - * -- * Parts of this file are based on Atheros' 2.6.15 BSP -+ * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published -@@ -129,7 +130,7 @@ static void __init ath79_misc_irq_init(v - - if (soc_is_ar71xx() || soc_is_ar913x()) - ath79_misc_irq_chip.irq_mask_ack = ar71xx_misc_irq_mask; -- else if (soc_is_ar724x() || soc_is_ar933x()) -+ else if (soc_is_ar724x() || soc_is_ar933x() || soc_is_ar934x()) - ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack; - else - BUG(); -@@ -143,6 +144,39 @@ static void __init ath79_misc_irq_init(v - irq_set_chained_handler(ATH79_CPU_IRQ_MISC, ath79_misc_irq_handler); - } - -+static void ar934x_ip2_irq_dispatch(unsigned int irq, struct irq_desc *desc) -+{ -+ u32 status; -+ -+ disable_irq_nosync(irq); -+ -+ status = ath79_reset_rr(AR934X_RESET_REG_PCIE_WMAC_INT_STATUS); -+ -+ if (status & AR934X_PCIE_WMAC_INT_PCIE_ALL) { -+ ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_PCIE); -+ generic_handle_irq(ATH79_IP2_IRQ(0)); -+ } else if (status & AR934X_PCIE_WMAC_INT_WMAC_ALL) { -+ ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_WMAC); -+ generic_handle_irq(ATH79_IP2_IRQ(1)); -+ } else { -+ spurious_interrupt(); -+ } -+ -+ enable_irq(irq); -+} -+ -+static void ar934x_ip2_irq_init(void) -+{ -+ int i; -+ -+ for (i = ATH79_IP2_IRQ_BASE; -+ i < ATH79_IP2_IRQ_BASE + ATH79_IP2_IRQ_COUNT; i++) -+ irq_set_chip_and_handler(i, &dummy_irq_chip, -+ handle_level_irq); -+ -+ irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar934x_ip2_irq_dispatch); -+} -+ - asmlinkage void plat_irq_dispatch(void) - { - unsigned long pending; -@@ -202,6 +236,11 @@ static void ar933x_ip2_handler(void) - do_IRQ(ATH79_CPU_IRQ_IP2); - } - -+static void ar934x_ip2_handler(void) -+{ -+ do_IRQ(ATH79_CPU_IRQ_IP2); -+} -+ - static void ar71xx_ip3_handler(void) - { - ath79_ddr_wb_flush(AR71XX_DDR_REG_FLUSH_USB); -@@ -226,6 +265,12 @@ static void ar933x_ip3_handler(void) - do_IRQ(ATH79_CPU_IRQ_USB); - } - -+static void ar934x_ip3_handler(void) -+{ -+ ath79_ddr_wb_flush(AR934X_DDR_REG_FLUSH_USB); -+ do_IRQ(ATH79_CPU_IRQ_USB); -+} -+ - void __init arch_init_irq(void) - { - if (soc_is_ar71xx()) { -@@ -240,6 +285,9 @@ void __init arch_init_irq(void) - } else if (soc_is_ar933x()) { - ath79_ip2_handler = ar933x_ip2_handler; - ath79_ip3_handler = ar933x_ip3_handler; -+ } else if (soc_is_ar934x()) { -+ ath79_ip2_handler = ar934x_ip2_handler; -+ ath79_ip3_handler = ar934x_ip3_handler; - } else { - BUG(); - } -@@ -247,4 +295,7 @@ void __init arch_init_irq(void) - cp0_perfcount_irq = ATH79_MISC_IRQ_PERFC; - mips_cpu_irq_init(); - ath79_misc_irq_init(); -+ -+ if (soc_is_ar934x()) -+ ar934x_ip2_irq_init(); - } ---- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -@@ -92,6 +92,12 @@ - #define AR933X_DDR_REG_FLUSH_USB 0x84 - #define AR933X_DDR_REG_FLUSH_WMAC 0x88 - -+#define AR934X_DDR_REG_FLUSH_GE0 0x9c -+#define AR934X_DDR_REG_FLUSH_GE1 0xa0 -+#define AR934X_DDR_REG_FLUSH_USB 0xa4 -+#define AR934X_DDR_REG_FLUSH_PCIE 0xa8 -+#define AR934X_DDR_REG_FLUSH_WMAC 0xac -+ - /* - * PLL block - */ -@@ -222,6 +228,7 @@ - #define AR933X_RESET_REG_BOOTSTRAP 0xac - - #define AR934X_RESET_REG_BOOTSTRAP 0xb0 -+#define AR934X_RESET_REG_PCIE_WMAC_INT_STATUS 0xac - - #define MISC_INT_ETHSW BIT(12) - #define MISC_INT_TIMER4 BIT(10) -@@ -295,6 +302,24 @@ - #define AR934X_BOOTSTRAP_SDRAM_DISABLED BIT(1) - #define AR934X_BOOTSTRAP_DDR1 BIT(0) - -+#define AR934X_PCIE_WMAC_INT_WMAC_MISC BIT(0) -+#define AR934X_PCIE_WMAC_INT_WMAC_TX BIT(1) -+#define AR934X_PCIE_WMAC_INT_WMAC_RXLP BIT(2) -+#define AR934X_PCIE_WMAC_INT_WMAC_RXHP BIT(3) -+#define AR934X_PCIE_WMAC_INT_PCIE_RC BIT(4) -+#define AR934X_PCIE_WMAC_INT_PCIE_RC0 BIT(5) -+#define AR934X_PCIE_WMAC_INT_PCIE_RC1 BIT(6) -+#define AR934X_PCIE_WMAC_INT_PCIE_RC2 BIT(7) -+#define AR934X_PCIE_WMAC_INT_PCIE_RC3 BIT(8) -+#define AR934X_PCIE_WMAC_INT_WMAC_ALL \ -+ (AR934X_PCIE_WMAC_INT_WMAC_MISC | AR934X_PCIE_WMAC_INT_WMAC_TX | \ -+ AR934X_PCIE_WMAC_INT_WMAC_RXLP | AR934X_PCIE_WMAC_INT_WMAC_RXHP) -+ -+#define AR934X_PCIE_WMAC_INT_PCIE_ALL \ -+ (AR934X_PCIE_WMAC_INT_PCIE_RC | AR934X_PCIE_WMAC_INT_PCIE_RC0 | \ -+ AR934X_PCIE_WMAC_INT_PCIE_RC1 | AR934X_PCIE_WMAC_INT_PCIE_RC2 | \ -+ AR934X_PCIE_WMAC_INT_PCIE_RC3) -+ - #define REV_ID_MAJOR_MASK 0xfff0 - #define REV_ID_MAJOR_AR71XX 0x00a0 - #define REV_ID_MAJOR_AR913X 0x00b0 ---- a/arch/mips/include/asm/mach-ath79/irq.h -+++ b/arch/mips/include/asm/mach-ath79/irq.h -@@ -10,7 +10,7 @@ - #define __ASM_MACH_ATH79_IRQ_H - - #define MIPS_CPU_IRQ_BASE 0 --#define NR_IRQS 46 -+#define NR_IRQS 48 - - #define ATH79_MISC_IRQ_BASE 8 - #define ATH79_MISC_IRQ_COUNT 32 -@@ -19,6 +19,10 @@ - #define ATH79_PCI_IRQ_COUNT 6 - #define ATH79_PCI_IRQ(_x) (ATH79_PCI_IRQ_BASE + (_x)) - -+#define ATH79_IP2_IRQ_BASE (ATH79_PCI_IRQ_BASE + ATH79_PCI_IRQ_COUNT) -+#define ATH79_IP2_IRQ_COUNT 2 -+#define ATH79_IP2_IRQ(_x) (ATH79_IP2_IRQ_BASE + (_x)) -+ - #define ATH79_CPU_IRQ_IP2 (MIPS_CPU_IRQ_BASE + 2) - #define ATH79_CPU_IRQ_USB (MIPS_CPU_IRQ_BASE + 3) - #define ATH79_CPU_IRQ_GE0 (MIPS_CPU_IRQ_BASE + 4) |