diff options
Diffstat (limited to 'target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch')
| -rw-r--r-- | target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch | 683 |
1 files changed, 683 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch b/target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch new file mode 100644 index 0000000..c2df429 --- /dev/null +++ b/target/linux/ramips/patches-3.10/0502-MIPS-ralink-add-MT7621-support.patch @@ -0,0 +1,683 @@ +From 99342a0481d49b6e1ade90fdb02f597cb75f103f Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 2 Dec 2013 16:11:09 +0100 +Subject: [PATCH 502/507] MIPS: ralink: add MT7621 support + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/include/asm/mach-ralink/mt7621.h | 39 +++++ + arch/mips/ralink/Kconfig | 18 ++ + arch/mips/ralink/Makefile | 7 +- + arch/mips/ralink/Platform | 5 + + arch/mips/ralink/irq-gic.c | 255 ++++++++++++++++++++++++++++ + arch/mips/ralink/malta-amon.c | 81 +++++++++ + arch/mips/ralink/mt7621.c | 186 ++++++++++++++++++++ + 7 files changed, 590 insertions(+), 1 deletion(-) + create mode 100644 arch/mips/include/asm/mach-ralink/mt7621.h + create mode 100644 arch/mips/ralink/irq-gic.c + create mode 100644 arch/mips/ralink/malta-amon.c + create mode 100644 arch/mips/ralink/mt7621.c + +Index: linux-3.10.21/arch/mips/include/asm/mach-ralink/mt7621.h +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-3.10.21/arch/mips/include/asm/mach-ralink/mt7621.h 2013-12-09 19:52:51.752677298 +0100 +@@ -0,0 +1,39 @@ ++/* ++ * 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 ++ * by the Free Software Foundation. ++ * ++ * Parts of this file are based on Ralink's 2.6.21 BSP ++ * ++ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#ifndef _MT7621_REGS_H_ ++#define _MT7621_REGS_H_ ++ ++#define MT7621_SYSC_BASE 0x1E000000 ++ ++#define SYSC_REG_CHIP_NAME0 0x00 ++#define SYSC_REG_CHIP_NAME1 0x04 ++#define SYSC_REG_CHIP_REV 0x0c ++#define SYSC_REG_SYSTEM_CONFIG0 0x10 ++#define SYSC_REG_SYSTEM_CONFIG1 0x14 ++ ++#define CHIP_REV_PKG_MASK 0x1 ++#define CHIP_REV_PKG_SHIFT 16 ++#define CHIP_REV_VER_MASK 0xf ++#define CHIP_REV_VER_SHIFT 8 ++#define CHIP_REV_ECO_MASK 0xf ++ ++#define MT7621_DRAM_BASE 0x0 ++#define MT7621_DDR2_SIZE_MIN 32 ++#define MT7621_DDR2_SIZE_MAX 256 ++ ++#define MT7621_CHIP_NAME0 0x3637544D ++#define MT7621_CHIP_NAME1 0x20203132 ++ ++#define MIPS_GIC_IRQ_BASE (MIPS_CPU_IRQ_BASE + 8) ++ ++#endif +Index: linux-3.10.21/arch/mips/ralink/Kconfig +=================================================================== +--- linux-3.10.21.orig/arch/mips/ralink/Kconfig 2013-12-09 19:51:55.600675960 +0100 ++++ linux-3.10.21/arch/mips/ralink/Kconfig 2013-12-09 19:52:51.756677296 +0100 +@@ -1,5 +1,10 @@ + if RALINK + ++config IRQ_INTC ++ bool ++ default y ++ depends on !SOC_MT7621 ++ + config CLKEVT_RT3352 + bool "Systick Clockevent source" + depends on SOC_RT305X || SOC_MT7620 +@@ -35,6 +40,15 @@ + select USB_ARCH_HAS_EHCI + select HW_HAS_PCI + ++ config SOC_MT7621 ++ bool "MT7621" ++ select MIPS_CPU_SCACHE ++ select SYS_SUPPORTS_MULTITHREADING ++ select SYS_SUPPORTS_SMP ++ select SYS_SUPPORTS_MIPS_CMP ++ select IRQ_GIC ++ select HW_HAS_PCI ++ + endchoice + + choice +@@ -62,6 +76,10 @@ + bool "MT7620A eval kit" + depends on SOC_MT7620 + ++ config DTB_MT7621_EVAL ++ bool "MT7621 eval kit" ++ depends on SOC_MT7621 ++ + endchoice + + endif +Index: linux-3.10.21/arch/mips/ralink/Makefile +=================================================================== +--- linux-3.10.21.orig/arch/mips/ralink/Makefile 2013-12-09 19:51:55.600675960 +0100 ++++ linux-3.10.21/arch/mips/ralink/Makefile 2013-12-09 19:52:51.756677296 +0100 +@@ -6,7 +6,11 @@ + # Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> + # Copyright (C) 2013 John Crispin <blogic@openwrt.org> + +-obj-y := prom.o of.o reset.o clk.o irq.o timer.o ++obj-y := prom.o of.o reset.o clk.o timer.o ++ ++obj-$(CONFIG_IRQ_INTC) += irq.o ++obj-$(CONFIG_IRQ_GIC) += irq-gic.o ++obj-$(CONFIG_MIPS_MT_SMP) += malta-amon.o + + obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o + +@@ -16,6 +20,7 @@ + obj-$(CONFIG_SOC_RT305X) += rt305x.o + obj-$(CONFIG_SOC_RT3883) += rt3883.o + obj-$(CONFIG_SOC_MT7620) += mt7620.o ++obj-$(CONFIG_SOC_MT7621) += mt7621.o + + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + +Index: linux-3.10.21/arch/mips/ralink/Platform +=================================================================== +--- linux-3.10.21.orig/arch/mips/ralink/Platform 2013-12-09 19:51:55.000000000 +0100 ++++ linux-3.10.21/arch/mips/ralink/Platform 2013-12-09 19:53:54.660678800 +0100 +@@ -26,3 +26,10 @@ + # Ralink MT7620 + # + load-$(CONFIG_SOC_MT7620) += 0xffffffff80000000 ++cflags-$(CONFIG_SOC_MT7620) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7620 ++ ++# ++# Ralink MT7621 ++# ++load-$(CONFIG_SOC_MT7621) += 0xffffffff80001000 ++cflags-$(CONFIG_SOC_MT7620) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7621 +Index: linux-3.10.21/arch/mips/ralink/irq-gic.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-3.10.21/arch/mips/ralink/irq-gic.c 2013-12-09 19:52:51.756677296 +0100 +@@ -0,0 +1,255 @@ ++#include <linux/init.h> ++#include <linux/sched.h> ++#include <linux/slab.h> ++#include <linux/interrupt.h> ++#include <linux/kernel_stat.h> ++#include <linux/hardirq.h> ++#include <linux/preempt.h> ++#include <linux/irqdomain.h> ++#include <linux/of_platform.h> ++#include <linux/of_address.h> ++#include <linux/of_irq.h> ++ ++#include <asm/irq_cpu.h> ++#include <asm/mipsregs.h> ++ ++#include <asm/irq.h> ++#include <asm/setup.h> ++ ++#include <asm/gic.h> ++#include <asm/gcmpregs.h> ++ ++#include <asm/mach-ralink/mt7621.h> ++ ++static unsigned long _gcmp_base; ++static int gic_resched_int_base = 56; ++static int gic_call_int_base = 60; ++static struct irq_chip *irq_gic; ++ ++#define GIC_RESCHED_INT(cpu) (gic_resched_int_base+(cpu)) ++#define GIC_CALL_INT(cpu) (gic_call_int_base+(cpu)) ++ ++static struct gic_intr_map gic_intr_map[GIC_NUM_INTRS] = { ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //0 ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { GIC_UNUSED }, ++ { 0, GIC_CPU_INT3, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //FE ++ { 0, GIC_CPU_INT4, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //PCIE0 ++ { GIC_UNUSED}, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //10 ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { GIC_UNUSED }, ++ { GIC_UNUSED }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //20 ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { GIC_UNUSED }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, //25 ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT },//30 ++ { 0, GIC_CPU_INT0, GIC_POL_POS, GIC_TRIG_LEVEL, GIC_FLAG_TRANSPARENT }, ++}; ++ ++static struct gic_intr_map ipi_intr_map[8] = { ++ { 0, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++ { 1, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++ { 2, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++ { 3, GIC_CPU_INT1, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++ { 0, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++ { 1, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++ { 2, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++ { 3, GIC_CPU_INT2, GIC_POL_POS, GIC_TRIG_EDGE, GIC_FLAG_IPI }, ++}; ++ ++static irqreturn_t ++ipi_resched_interrupt(int irq, void *dev_id) ++{ ++ scheduler_ipi(); ++ ++ return IRQ_HANDLED; ++} ++ ++static irqreturn_t ++ipi_call_interrupt(int irq, void *dev_id) ++{ ++ smp_call_function_interrupt(); ++ ++ return IRQ_HANDLED; ++} ++ ++static struct irqaction irq_resched = { ++ .handler = ipi_resched_interrupt, ++ .flags = IRQF_DISABLED|IRQF_PERCPU, ++ .name = "ipi resched" ++}; ++ ++static struct irqaction irq_call = { ++ .handler = ipi_call_interrupt, ++ .flags = IRQF_DISABLED|IRQF_PERCPU, ++ .name = "ipi call" ++}; ++ ++void ++gic_irq_ack(struct irq_data *d) ++{ ++ int irq = (d->irq - gic_irq_base); ++ ++ GIC_CLR_INTR_MASK(irq); ++ ++ if (gic_irq_flags[irq] & GIC_TRIG_EDGE) ++ GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), irq); ++} ++ ++void ++gic_finish_irq(struct irq_data *d) ++{ ++ GIC_SET_INTR_MASK(d->irq - gic_irq_base); ++} ++ ++void __init ++gic_platform_init(int irqs, struct irq_chip *irq_controller) ++{ ++ irq_gic = irq_controller; ++} ++ ++static void ++vi_gic_irqdispatch(void) ++{ ++ int irq = gic_get_int(); ++ ++ if (irq >= 0) ++ do_IRQ(MIPS_GIC_IRQ_BASE + irq); ++} ++ ++static void ++vi_timer_irqdispatch(void) ++{ ++ do_IRQ(cp0_compare_irq); ++} ++ ++unsigned int ++plat_ipi_call_int_xlate(unsigned int cpu) ++{ ++ return GIC_CALL_INT(cpu); ++} ++ ++unsigned int ++plat_ipi_resched_int_xlate(unsigned int cpu) ++{ ++ return GIC_RESCHED_INT(cpu); ++} ++ ++asmlinkage void ++plat_irq_dispatch(void) ++{ ++ unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; ++ ++ if (pending & CAUSEF_IP7) ++ do_IRQ(cp0_compare_irq); ++ else if (pending & (CAUSEF_IP4 | CAUSEF_IP3)) ++ vi_gic_irqdispatch(); ++ else ++ spurious_interrupt(); ++} ++ ++unsigned int __cpuinit ++get_c0_compare_int(void) ++{ ++ return CP0_LEGACY_COMPARE_IRQ; ++} ++ ++static int ++gic_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) ++{ ++ irq_set_chip_and_handler(irq, irq_gic, handle_percpu_irq); ++ ++ return 0; ++} ++ ++static const struct irq_domain_ops irq_domain_ops = { ++ .xlate = irq_domain_xlate_onecell, ++ .map = gic_map, ++}; ++ ++static int __init ++of_gic_init(struct device_node *node, ++ struct device_node *parent) ++{ ++ struct irq_domain *domain; ++ struct resource gcmp = { 0 }, gic = { 0 }; ++ unsigned int gic_rev; ++ int i; ++ ++ if (of_address_to_resource(node, 0, &gic)) ++ panic("Failed to get gic memory range"); ++ if (request_mem_region(gic.start, resource_size(&gic), ++ gic.name) < 0) ++ panic("Failed to request gic memory"); ++ if (of_address_to_resource(node, 2, &gcmp)) ++ panic("Failed to get gic memory range"); ++ if (request_mem_region(gcmp.start, resource_size(&gcmp), ++ gcmp.name) < 0) ++ panic("Failed to request gcmp memory"); ++ ++ _gcmp_base = (unsigned long) ioremap_nocache(gcmp.start, resource_size(&gcmp)); ++ if (!_gcmp_base) ++ panic("Failed to remap gcmp memory\n"); ++ ++ if ((GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) != gcmp.start) ++ panic("Failed to find gcmp core\n"); ++ ++ /* tell the gcmp where to find the gic */ ++ GCMPGCB(GICBA) = gic.start | GCMP_GCB_GICBA_EN_MSK; ++ gic_present = 1; ++ if (cpu_has_vint) { ++ set_vi_handler(3, vi_gic_irqdispatch); ++ set_vi_handler(4, vi_gic_irqdispatch); ++ set_vi_handler(7, vi_timer_irqdispatch); ++ } ++ ++ memcpy(&gic_intr_map[gic_resched_int_base], ipi_intr_map, sizeof(ipi_intr_map)); ++ gic_init(gic.start, resource_size(&gic), gic_intr_map, ++ ARRAY_SIZE(gic_intr_map), MIPS_GIC_IRQ_BASE); ++ ++ GICREAD(GIC_REG(SHARED, GIC_SH_REVISIONID), gic_rev); ++ pr_info("gic: revision %d.%d\n", (gic_rev >> 8) & 0xff, gic_rev & 0xff); ++ ++ domain = irq_domain_add_legacy(node, GIC_NUM_INTRS, MIPS_GIC_IRQ_BASE, ++ 0, &irq_domain_ops, NULL); ++ if (!domain) ++ panic("Failed to add irqdomain"); ++ ++ for (i = 0; i < NR_CPUS; i++) { ++ setup_irq(MIPS_GIC_IRQ_BASE + GIC_RESCHED_INT(i), &irq_resched); ++ setup_irq(MIPS_GIC_IRQ_BASE + GIC_CALL_INT(i), &irq_call); ++ } ++ ++ change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 | STATUSF_IP6 | ++ STATUSF_IP7); ++ return 0; ++} ++ ++static struct of_device_id __initdata of_irq_ids[] = { ++ { .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_intc_init }, ++ { .compatible = "ralink,mt7621-gic", .data = of_gic_init }, ++ {}, ++}; ++ ++void __init ++arch_init_irq(void) ++{ ++ of_irq_init(of_irq_ids); ++} +Index: linux-3.10.21/arch/mips/ralink/malta-amon.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-3.10.21/arch/mips/ralink/malta-amon.c 2013-12-09 19:52:51.756677296 +0100 +@@ -0,0 +1,81 @@ ++/* ++ * Copyright (C) 2007 MIPS Technologies, Inc. ++ * All rights reserved. ++ ++ * This program is free software; you can distribute it and/or modify it ++ * under the terms of the GNU General Public License (Version 2) as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++ * ++ * Arbitrary Monitor interface ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/smp.h> ++ ++#include <asm/addrspace.h> ++#include <asm/mips-boards/launch.h> ++#include <asm/mipsmtregs.h> ++ ++int amon_cpu_avail(int cpu) ++{ ++ struct cpulaunch *launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); ++ ++ if (cpu < 0 || cpu >= NCPULAUNCH) { ++ pr_debug("avail: cpu%d is out of range\n", cpu); ++ return 0; ++ } ++ ++ launch += cpu; ++ if (!(launch->flags & LAUNCH_FREADY)) { ++ pr_debug("avail: cpu%d is not ready\n", cpu); ++ return 0; ++ } ++ if (launch->flags & (LAUNCH_FGO|LAUNCH_FGONE)) { ++ pr_debug("avail: too late.. cpu%d is already gone\n", cpu); ++ return 0; ++ } ++ ++ return 1; ++} ++ ++void amon_cpu_start(int cpu, ++ unsigned long pc, unsigned long sp, ++ unsigned long gp, unsigned long a0) ++{ ++ volatile struct cpulaunch *launch = ++ (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); ++ ++ if (!amon_cpu_avail(cpu)) ++ return; ++ if (cpu == smp_processor_id()) { ++ pr_debug("launch: I am cpu%d!\n", cpu); ++ return; ++ } ++ launch += cpu; ++ ++ pr_debug("launch: starting cpu%d\n", cpu); ++ ++ launch->pc = pc; ++ launch->gp = gp; ++ launch->sp = sp; ++ launch->a0 = a0; ++ ++ smp_wmb(); /* Target must see parameters before go */ ++ launch->flags |= LAUNCH_FGO; ++ smp_wmb(); /* Target must see go before we poll */ ++ ++ while ((launch->flags & LAUNCH_FGONE) == 0) ++ ; ++ smp_rmb(); /* Target will be updating flags soon */ ++ pr_debug("launch: cpu%d gone!\n", cpu); ++} +Index: linux-3.10.21/arch/mips/ralink/mt7621.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-3.10.21/arch/mips/ralink/mt7621.c 2013-12-09 19:52:51.760677296 +0100 +@@ -0,0 +1,186 @@ ++/* ++ * 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 ++ * by the Free Software Foundation. ++ * ++ * Parts of this file are based on Ralink's 2.6.21 BSP ++ * ++ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> ++ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> ++ * Copyright (C) 2013 John Crispin <blogic@openwrt.org> ++ */ ++ ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <linux/module.h> ++#include <asm/gcmpregs.h> ++ ++#include <asm/mipsregs.h> ++#include <asm/mach-ralink/ralink_regs.h> ++#include <asm/mach-ralink/mt7621.h> ++ ++#include <pinmux.h> ++ ++#include "common.h" ++ ++#define SYSC_REG_SYSCFG 0x10 ++#define SYSC_REG_CPLL_CLKCFG0 0x2c ++#define SYSC_REG_CUR_CLK_STS 0x44 ++#define CPU_CLK_SEL (BIT(30) | BIT(31)) ++ ++#define MT7621_GPIO_MODE_UART1 1 ++#define MT7621_GPIO_MODE_I2C 2 ++#define MT7621_GPIO_MODE_UART2 3 ++#define MT7621_GPIO_MODE_UART3 5 ++#define MT7621_GPIO_MODE_JTAG 7 ++#define MT7621_GPIO_MODE_WDT_MASK 0x3 ++#define MT7621_GPIO_MODE_WDT_SHIFT 8 ++#define MT7621_GPIO_MODE_WDT_GPIO 1 ++#define MT7621_GPIO_MODE_PCIE_RST 0 ++#define MT7621_GPIO_MODE_PCIE_REF 2 ++#define MT7621_GPIO_MODE_PCIE_MASK 0x3 ++#define MT7621_GPIO_MODE_PCIE_SHIFT 10 ++#define MT7621_GPIO_MODE_PCIE_GPIO 1 ++#define MT7621_GPIO_MODE_MDIO 12 ++#define MT7621_GPIO_MODE_RGMII1 14 ++#define MT7621_GPIO_MODE_RGMII2 15 ++#define MT7621_GPIO_MODE_SPI_MASK 0x3 ++#define MT7621_GPIO_MODE_SPI_SHIFT 16 ++#define MT7621_GPIO_MODE_SPI_GPIO 1 ++#define MT7621_GPIO_MODE_SDHCI_MASK 0x3 ++#define MT7621_GPIO_MODE_SDHCI_SHIFT 18 ++#define MT7621_GPIO_MODE_SDHCI_GPIO 1 ++ ++static struct rt2880_pmx_func uart1_grp[] = { FUNC("uart1", 0, 1, 2) }; ++static struct rt2880_pmx_func i2c_grp[] = { FUNC("i2c", 0, 3, 2) }; ++static struct rt2880_pmx_func uart3_grp[] = { FUNC("uart3", 0, 5, 4) }; ++static struct rt2880_pmx_func uart2_grp[] = { FUNC("uart2", 0, 9, 4) }; ++static struct rt2880_pmx_func jtag_grp[] = { FUNC("jtag", 0, 13, 5) }; ++static struct rt2880_pmx_func wdt_grp[] = { ++ FUNC("wdt rst", 0, 18, 1), ++ FUNC("wdt refclk", 2, 18, 1), ++}; ++static struct rt2880_pmx_func pcie_rst_grp[] = { ++ FUNC("pcie rst", MT7621_GPIO_MODE_PCIE_RST, 19, 1), ++ FUNC("pcie refclk", MT7621_GPIO_MODE_PCIE_REF, 19, 1) ++}; ++static struct rt2880_pmx_func mdio_grp[] = { FUNC("mdio", 0, 20, 2) }; ++static struct rt2880_pmx_func rgmii2_grp[] = { FUNC("rgmii2", 0, 22, 12) }; ++static struct rt2880_pmx_func spi_grp[] = { ++ FUNC("spi", 0, 34, 7), ++ FUNC("nand", 2, 34, 8), ++}; ++static struct rt2880_pmx_func sdhci_grp[] = { ++ FUNC("sdhci", 0, 41, 8), ++ FUNC("nand", 2, 41, 8), ++}; ++static struct rt2880_pmx_func rgmii1_grp[] = { FUNC("rgmii1", 0, 49, 12) }; ++ ++static struct rt2880_pmx_group mt7621_pinmux_data[] = { ++ GRP("uart1", uart1_grp, 1, MT7621_GPIO_MODE_UART1), ++ GRP("i2c", i2c_grp, 1, MT7621_GPIO_MODE_I2C), ++ GRP("uart3", uart2_grp, 1, MT7621_GPIO_MODE_UART2), ++ GRP("uart2", uart3_grp, 1, MT7621_GPIO_MODE_UART3), ++ GRP("jtag", jtag_grp, 1, MT7621_GPIO_MODE_JTAG), ++ GRP_G("wdt", wdt_grp, MT7621_GPIO_MODE_WDT_MASK, ++ MT7621_GPIO_MODE_WDT_GPIO, MT7621_GPIO_MODE_WDT_SHIFT), ++ GRP_G("pcie", pcie_rst_grp, MT7621_GPIO_MODE_PCIE_MASK, ++ MT7621_GPIO_MODE_PCIE_GPIO, MT7621_GPIO_MODE_PCIE_SHIFT), ++ GRP("mdio", mdio_grp, 1, MT7621_GPIO_MODE_MDIO), ++ GRP("rgmii2", rgmii2_grp, 1, MT7621_GPIO_MODE_RGMII2), ++ GRP_G("spi", spi_grp, MT7621_GPIO_MODE_SPI_MASK, ++ MT7621_GPIO_MODE_SPI_GPIO, MT7621_GPIO_MODE_SPI_SHIFT), ++ GRP_G("sdhci", sdhci_grp, MT7621_GPIO_MODE_SDHCI_MASK, ++ MT7621_GPIO_MODE_SDHCI_GPIO, MT7621_GPIO_MODE_SDHCI_SHIFT), ++ GRP("rgmii1", rgmii1_grp, 1, MT7621_GPIO_MODE_RGMII1), ++ { 0 } ++}; ++ ++void __init ralink_clk_init(void) ++{ ++ int cpu_fdiv = 0; ++ int cpu_ffrac = 0; ++ int fbdiv = 0; ++ u32 clk_sts, syscfg; ++ u8 clk_sel = 0, xtal_mode; ++ u32 cpu_clk; ++ ++ if ((rt_sysc_r32(SYSC_REG_CPLL_CLKCFG0) & CPU_CLK_SEL) != 0) ++ clk_sel = 1; ++ ++ switch (clk_sel) { ++ case 0: ++ clk_sts = rt_sysc_r32(SYSC_REG_CUR_CLK_STS); ++ cpu_fdiv = ((clk_sts >> 8) & 0x1F); ++ cpu_ffrac = (clk_sts & 0x1F); ++ cpu_clk = (500 * cpu_ffrac / cpu_fdiv) * 1000 * 1000; ++ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); ++ break; ++ ++ case 1: ++ fbdiv = ((rt_sysc_r32(0x648) >> 4) & 0x7F) + 1; ++ syscfg = rt_sysc_r32(SYSC_REG_SYSCFG); ++ xtal_mode = (syscfg >> 6) & 0x7; ++ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); ++ if(xtal_mode >= 6) { //25Mhz Xtal ++ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); ++ cpu_clk = 25 * fbdiv * 1000 * 1000; ++ } else if(xtal_mode >=3) { //40Mhz Xtal ++ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); ++ cpu_clk = 40 * fbdiv * 1000 * 1000; ++ } else { // 20Mhz Xtal ++ printk("%s:%s[%d]\n", __FILE__, __func__, __LINE__); ++ cpu_clk = 20 * fbdiv * 1000 * 1000; ++ } ++ break; ++ } ++ cpu_clk = 880000000; ++ ralink_clk_add("cpu", cpu_clk); ++ ralink_clk_add("1e000b00.spi", 50000000); ++ ralink_clk_add("1e000c00.uartlite", 50000000); ++} ++ ++void __init ralink_of_remap(void) ++{ ++ rt_sysc_membase = plat_of_remap_node("mtk,mt7621-sysc"); ++ rt_memc_membase = plat_of_remap_node("mtk,mt7621-memc"); ++ ++ if (!rt_sysc_membase || !rt_memc_membase) ++ panic("Failed to remap core resources"); ++} ++ ++void prom_soc_init(struct ralink_soc_info *soc_info) ++{ ++ void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7621_SYSC_BASE); ++ unsigned char *name = NULL; ++ u32 n0; ++ u32 n1; ++ u32 rev; ++ ++ n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0); ++ n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1); ++ ++ if (n0 == MT7621_CHIP_NAME0 && n1 == MT7621_CHIP_NAME1) { ++ name = "MT7621"; ++ soc_info->compatible = "mtk,mt7621-soc"; ++ } else { ++ panic("mt7621: unknown SoC, n0:%08x n1:%08x\n", n0, n1); ++ } ++ ++ rev = __raw_readl(sysc + SYSC_REG_CHIP_REV); ++ ++ snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN, ++ "Mediatek %s ver:%u eco:%u", ++ name, ++ (rev >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK, ++ (rev & CHIP_REV_ECO_MASK)); ++ ++ soc_info->mem_size_min = MT7621_DDR2_SIZE_MIN; ++ soc_info->mem_size_max = MT7621_DDR2_SIZE_MAX; ++ soc_info->mem_base = MT7621_DRAM_BASE; ++ ++ rt2880_pinmux_data = mt7621_pinmux_data; ++ ++ if (register_cmp_smp_ops()) ++ panic("failed to register_vsmp_smp_ops()"); ++} |