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-rw-r--r--arch/mips/ralink/Kconfig20
-rw-r--r--arch/mips/ralink/Makefile2
-rw-r--r--arch/mips/ralink/bootrom.c15
-rw-r--r--arch/mips/ralink/cevt-rt3352.c153
-rw-r--r--arch/mips/ralink/clk.c61
-rw-r--r--arch/mips/ralink/common.h7
-rw-r--r--arch/mips/ralink/ill_acc.c4
-rw-r--r--arch/mips/ralink/irq-gic.c1
-rw-r--r--arch/mips/ralink/irq.c7
-rw-r--r--arch/mips/ralink/mt7620.c378
-rw-r--r--arch/mips/ralink/mt7621.c169
-rw-r--r--arch/mips/ralink/of.c67
-rw-r--r--arch/mips/ralink/prom.c2
-rw-r--r--arch/mips/ralink/reset.c61
-rw-r--r--arch/mips/ralink/rt288x.c118
-rw-r--r--arch/mips/ralink/rt305x.c218
-rw-r--r--arch/mips/ralink/rt3883.c131
-rw-r--r--arch/mips/ralink/timer-gic.c2
-rw-r--r--arch/mips/ralink/timer.c14
19 files changed, 619 insertions, 811 deletions
diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index c800bf5559b5..910d059ec70b 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -1,13 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
if RALINK
-config CLKEVT_RT3352
- bool
- depends on SOC_RT305X || SOC_MT7620
- default y
- select TIMER_OF
- select CLKSRC_MMIO
-
config RALINK_ILL_ACC
bool
depends on SOC_RT305X
@@ -29,18 +22,22 @@ choice
select MIPS_AUTO_PFN_OFFSET
select MIPS_L1_CACHE_SHIFT_4
select HAVE_PCI
+ select SOC_BUS
config SOC_RT305X
bool "RT305x"
+ select SOC_BUS
config SOC_RT3883
bool "RT3883"
select HAVE_PCI
+ select SOC_BUS
config SOC_MT7620
bool "MT7620/8"
select CPU_MIPSR2_IRQ_VI
select HAVE_PCI
+ select SOC_BUS
config SOC_MT7621
bool "MT7621"
@@ -51,12 +48,19 @@ choice
select SYS_SUPPORTS_HIGHMEM
select MIPS_GIC
select CLKSRC_MIPS_GIC
- select HAVE_PCI if PCI_MT7621
+ select HAVE_PCI
+ select PCI_DRIVERS_GENERIC
select SOC_BUS
+ select PINCTRL
+
+ help
+ The MT7621 system-on-a-chip includes an 880 MHz MIPS1004Kc
+ dual-core CPU, a 5-port 10/100/1000 switch/PHY and one RGMII.
endchoice
choice
prompt "Devicetree selection"
+ depends on !SOC_MT7621
default DTB_RT_NONE
help
Select the devicetree.
diff --git a/arch/mips/ralink/Makefile b/arch/mips/ralink/Makefile
index 26fabbdea1f1..0c109eae1953 100644
--- a/arch/mips/ralink/Makefile
+++ b/arch/mips/ralink/Makefile
@@ -10,8 +10,6 @@ ifndef CONFIG_MIPS_GIC
obj-y += clk.o timer.o
endif
-obj-$(CONFIG_CLKEVT_RT3352) += cevt-rt3352.o
-
obj-$(CONFIG_RALINK_ILL_ACC) += ill_acc.o
obj-$(CONFIG_IRQ_INTC) += irq.o
diff --git a/arch/mips/ralink/bootrom.c b/arch/mips/ralink/bootrom.c
index 94ca8379b83c..8c8cc0a81ed8 100644
--- a/arch/mips/ralink/bootrom.c
+++ b/arch/mips/ralink/bootrom.c
@@ -18,22 +18,11 @@ static int bootrom_show(struct seq_file *s, void *unused)
return 0;
}
-
-static int bootrom_open(struct inode *inode, struct file *file)
-{
- return single_open(file, bootrom_show, NULL);
-}
-
-static const struct file_operations bootrom_file_ops = {
- .open = bootrom_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(bootrom);
static int __init bootrom_setup(void)
{
- debugfs_create_file("bootrom", 0444, NULL, NULL, &bootrom_file_ops);
+ debugfs_create_file("bootrom", 0444, NULL, NULL, &bootrom_fops);
return 0;
}
diff --git a/arch/mips/ralink/cevt-rt3352.c b/arch/mips/ralink/cevt-rt3352.c
deleted file mode 100644
index 269d4877d120..000000000000
--- a/arch/mips/ralink/cevt-rt3352.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2013 by John Crispin <john@phrozen.org>
- */
-
-#include <linux/clockchips.h>
-#include <linux/clocksource.h>
-#include <linux/interrupt.h>
-#include <linux/reset.h>
-#include <linux/init.h>
-#include <linux/time.h>
-#include <linux/of.h>
-#include <linux/of_irq.h>
-#include <linux/of_address.h>
-
-#include <asm/mach-ralink/ralink_regs.h>
-
-#define SYSTICK_FREQ (50 * 1000)
-
-#define SYSTICK_CONFIG 0x00
-#define SYSTICK_COMPARE 0x04
-#define SYSTICK_COUNT 0x08
-
-/* route systick irq to mips irq 7 instead of the r4k-timer */
-#define CFG_EXT_STK_EN 0x2
-/* enable the counter */
-#define CFG_CNT_EN 0x1
-
-struct systick_device {
- void __iomem *membase;
- struct clock_event_device dev;
- int irq_requested;
- int freq_scale;
-};
-
-static int systick_set_oneshot(struct clock_event_device *evt);
-static int systick_shutdown(struct clock_event_device *evt);
-
-static int systick_next_event(unsigned long delta,
- struct clock_event_device *evt)
-{
- struct systick_device *sdev;
- u32 count;
-
- sdev = container_of(evt, struct systick_device, dev);
- count = ioread32(sdev->membase + SYSTICK_COUNT);
- count = (count + delta) % SYSTICK_FREQ;
- iowrite32(count, sdev->membase + SYSTICK_COMPARE);
-
- return 0;
-}
-
-static void systick_event_handler(struct clock_event_device *dev)
-{
- /* noting to do here */
-}
-
-static irqreturn_t systick_interrupt(int irq, void *dev_id)
-{
- struct clock_event_device *dev = (struct clock_event_device *) dev_id;
-
- dev->event_handler(dev);
-
- return IRQ_HANDLED;
-}
-
-static struct systick_device systick = {
- .dev = {
- /*
- * cevt-r4k uses 300, make sure systick
- * gets used if available
- */
- .rating = 310,
- .features = CLOCK_EVT_FEAT_ONESHOT,
- .set_next_event = systick_next_event,
- .set_state_shutdown = systick_shutdown,
- .set_state_oneshot = systick_set_oneshot,
- .event_handler = systick_event_handler,
- },
-};
-
-static int systick_shutdown(struct clock_event_device *evt)
-{
- struct systick_device *sdev;
-
- sdev = container_of(evt, struct systick_device, dev);
-
- if (sdev->irq_requested)
- free_irq(systick.dev.irq, &systick.dev);
- sdev->irq_requested = 0;
- iowrite32(0, systick.membase + SYSTICK_CONFIG);
-
- return 0;
-}
-
-static int systick_set_oneshot(struct clock_event_device *evt)
-{
- const char *name = systick.dev.name;
- struct systick_device *sdev;
- int irq = systick.dev.irq;
-
- sdev = container_of(evt, struct systick_device, dev);
-
- if (!sdev->irq_requested) {
- if (request_irq(irq, systick_interrupt,
- IRQF_PERCPU | IRQF_TIMER, name, &systick.dev))
- pr_err("Failed to request irq %d (%s)\n", irq, name);
- }
- sdev->irq_requested = 1;
- iowrite32(CFG_EXT_STK_EN | CFG_CNT_EN,
- systick.membase + SYSTICK_CONFIG);
-
- return 0;
-}
-
-static int __init ralink_systick_init(struct device_node *np)
-{
- int ret;
-
- systick.membase = of_iomap(np, 0);
- if (!systick.membase)
- return -ENXIO;
-
- systick.dev.name = np->name;
- clockevents_calc_mult_shift(&systick.dev, SYSTICK_FREQ, 60);
- systick.dev.max_delta_ns = clockevent_delta2ns(0x7fff, &systick.dev);
- systick.dev.max_delta_ticks = 0x7fff;
- systick.dev.min_delta_ns = clockevent_delta2ns(0x3, &systick.dev);
- systick.dev.min_delta_ticks = 0x3;
- systick.dev.irq = irq_of_parse_and_map(np, 0);
- if (!systick.dev.irq) {
- pr_err("%pOFn: request_irq failed", np);
- return -EINVAL;
- }
-
- ret = clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name,
- SYSTICK_FREQ, 301, 16,
- clocksource_mmio_readl_up);
- if (ret)
- return ret;
-
- clockevents_register_device(&systick.dev);
-
- pr_info("%pOFn: running - mult: %d, shift: %d\n",
- np, systick.dev.mult, systick.dev.shift);
-
- return 0;
-}
-
-TIMER_OF_DECLARE(systick, "ralink,cevt-systick", ralink_systick_init);
diff --git a/arch/mips/ralink/clk.c b/arch/mips/ralink/clk.c
index 5b02bb7e0829..9db73fcac522 100644
--- a/arch/mips/ralink/clk.c
+++ b/arch/mips/ralink/clk.c
@@ -11,29 +11,72 @@
#include <linux/clkdev.h>
#include <linux/clk.h>
#include <linux/clk-provider.h>
+#include <asm/mach-ralink/ralink_regs.h>
#include <asm/time.h>
#include "common.h"
-void ralink_clk_add(const char *dev, unsigned long rate)
+static const char *clk_cpu(int *idx)
{
- struct clk *clk = clk_register_fixed_rate(NULL, dev, NULL, 0, rate);
-
- if (!clk)
- panic("failed to add clock");
-
- clkdev_create(clk, NULL, "%s", dev);
+ switch (ralink_soc) {
+ case RT2880_SOC:
+ *idx = 0;
+ return "ralink,rt2880-sysc";
+ case RT3883_SOC:
+ *idx = 0;
+ return "ralink,rt3883-sysc";
+ case RT305X_SOC_RT3050:
+ *idx = 0;
+ return "ralink,rt3050-sysc";
+ case RT305X_SOC_RT3052:
+ *idx = 0;
+ return "ralink,rt3052-sysc";
+ case RT305X_SOC_RT3350:
+ *idx = 1;
+ return "ralink,rt3350-sysc";
+ case RT305X_SOC_RT3352:
+ *idx = 1;
+ return "ralink,rt3352-sysc";
+ case RT305X_SOC_RT5350:
+ *idx = 1;
+ return "ralink,rt5350-sysc";
+ case MT762X_SOC_MT7620A:
+ *idx = 2;
+ return "ralink,mt7620-sysc";
+ case MT762X_SOC_MT7620N:
+ *idx = 2;
+ return "ralink,mt7620-sysc";
+ case MT762X_SOC_MT7628AN:
+ *idx = 1;
+ return "ralink,mt7628-sysc";
+ case MT762X_SOC_MT7688:
+ *idx = 1;
+ return "ralink,mt7688-sysc";
+ default:
+ *idx = -1;
+ return "invalid";
+ }
}
void __init plat_time_init(void)
{
+ struct of_phandle_args clkspec;
+ const char *compatible;
struct clk *clk;
+ int cpu_clk_idx;
ralink_of_remap();
- ralink_clk_init();
- clk = clk_get_sys("cpu", NULL);
+ compatible = clk_cpu(&cpu_clk_idx);
+ if (cpu_clk_idx == -1)
+ panic("unable to get CPU clock index");
+
+ of_clk_init(NULL);
+ clkspec.np = of_find_compatible_node(NULL, NULL, compatible);
+ clkspec.args_count = 1;
+ clkspec.args[0] = cpu_clk_idx;
+ clk = of_clk_get_from_provider(&clkspec);
if (IS_ERR(clk))
panic("unable to get CPU clock, err=%ld", PTR_ERR(clk));
pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000);
diff --git a/arch/mips/ralink/common.h b/arch/mips/ralink/common.h
index 87fc16751281..893981a0ca7d 100644
--- a/arch/mips/ralink/common.h
+++ b/arch/mips/ralink/common.h
@@ -23,13 +23,6 @@ extern struct ralink_soc_info soc_info;
extern void ralink_of_remap(void);
-extern void ralink_clk_init(void);
-extern void ralink_clk_add(const char *dev, unsigned long rate);
-
-extern void ralink_rst_init(void);
-
extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
-__iomem void *plat_of_remap_node(const char *node);
-
#endif /* _RALINK_COMMON_H__ */
diff --git a/arch/mips/ralink/ill_acc.c b/arch/mips/ralink/ill_acc.c
index bdf53807d7c2..25341b2319d0 100644
--- a/arch/mips/ralink/ill_acc.c
+++ b/arch/mips/ralink/ill_acc.c
@@ -5,8 +5,10 @@
*/
#include <linux/interrupt.h>
+#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/of_irq.h>
+#include <linux/platform_device.h>
#include <asm/mach-ralink/ralink_regs.h>
@@ -61,10 +63,12 @@ static int __init ill_acc_of_setup(void)
pdev = of_find_device_by_node(np);
if (!pdev) {
pr_err("%pOFn: failed to lookup pdev\n", np);
+ of_node_put(np);
return -EINVAL;
}
irq = irq_of_parse_and_map(np, 0);
+ of_node_put(np);
if (!irq) {
dev_err(&pdev->dev, "failed to get irq\n");
put_device(&pdev->dev);
diff --git a/arch/mips/ralink/irq-gic.c b/arch/mips/ralink/irq-gic.c
index 3bab51a5fb4c..8bc566ea00e5 100644
--- a/arch/mips/ralink/irq-gic.c
+++ b/arch/mips/ralink/irq-gic.c
@@ -10,6 +10,7 @@
#include <linux/of.h>
#include <linux/irqchip.h>
#include <asm/mips-cps.h>
+#include <asm/time.h>
int get_c0_perfcount_int(void)
{
diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c
index 220ca0cd7945..955b36e89358 100644
--- a/arch/mips/ralink/irq.c
+++ b/arch/mips/ralink/irq.c
@@ -7,7 +7,7 @@
#include <linux/io.h>
#include <linux/bitops.h>
-#include <linux/of_platform.h>
+#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/irqdomain.h>
@@ -15,6 +15,7 @@
#include <asm/irq_cpu.h>
#include <asm/mipsregs.h>
+#include <asm/time.h>
#include "common.h"
@@ -100,7 +101,7 @@ static void ralink_intc_irq_handler(struct irq_desc *desc)
if (pending) {
struct irq_domain *domain = irq_desc_get_handler_data(desc);
- generic_handle_irq(irq_find_mapping(domain, __ffs(pending)));
+ generic_handle_domain_irq(domain, __ffs(pending));
} else {
spurious_interrupt();
}
@@ -176,7 +177,7 @@ static int __init intc_of_init(struct device_node *node,
/* route all INTC interrupts to MIPS HW0 interrupt */
rt_intc_w32(0, INTC_REG_TYPE);
- domain = irq_domain_add_legacy(node, RALINK_INTC_IRQ_COUNT,
+ domain = irq_domain_create_legacy(of_fwnode_handle(node), RALINK_INTC_IRQ_COUNT,
RALINK_INTC_IRQ_BASE, 0, &irq_domain_ops, NULL);
if (!domain)
panic("Failed to add irqdomain");
diff --git a/arch/mips/ralink/mt7620.c b/arch/mips/ralink/mt7620.c
index ae1fa0391c88..672249a13a09 100644
--- a/arch/mips/ralink/mt7620.c
+++ b/arch/mips/ralink/mt7620.c
@@ -11,6 +11,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/bug.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
#include <asm/mipsregs.h>
#include <asm/mach-ralink/ralink_regs.h>
@@ -34,12 +36,6 @@
#define PMU1_CFG 0x8C
#define DIG_SW_SEL BIT(25)
-/* clock scaling */
-#define CLKCFG_FDIV_MASK 0x1f00
-#define CLKCFG_FDIV_USB_VAL 0x0300
-#define CLKCFG_FFRAC_MASK 0x001f
-#define CLKCFG_FFRAC_USB_VAL 0x0003
-
/* EFUSE bits */
#define EFUSE_MT7688 0x100000
@@ -49,234 +45,7 @@
/* does the board have sdram or ddram */
static int dram_type;
-static __init u32
-mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div)
-{
- u64 t;
-
- t = ref_rate;
- t *= mul;
- do_div(t, div);
-
- return t;
-}
-
-#define MHZ(x) ((x) * 1000 * 1000)
-
-static __init unsigned long
-mt7620_get_xtal_rate(void)
-{
- u32 reg;
-
- reg = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0);
- if (reg & SYSCFG0_XTAL_FREQ_SEL)
- return MHZ(40);
-
- return MHZ(20);
-}
-
-static __init unsigned long
-mt7620_get_periph_rate(unsigned long xtal_rate)
-{
- u32 reg;
-
- reg = rt_sysc_r32(SYSC_REG_CLKCFG0);
- if (reg & CLKCFG0_PERI_CLK_SEL)
- return xtal_rate;
-
- return MHZ(40);
-}
-
-static const u32 mt7620_clk_divider[] __initconst = { 2, 3, 4, 8 };
-
-static __init unsigned long
-mt7620_get_cpu_pll_rate(unsigned long xtal_rate)
-{
- u32 reg;
- u32 mul;
- u32 div;
-
- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0);
- if (reg & CPLL_CFG0_BYPASS_REF_CLK)
- return xtal_rate;
-
- if ((reg & CPLL_CFG0_SW_CFG) == 0)
- return MHZ(600);
-
- mul = (reg >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) &
- CPLL_CFG0_PLL_MULT_RATIO_MASK;
- mul += 24;
- if (reg & CPLL_CFG0_LC_CURFCK)
- mul *= 2;
-
- div = (reg >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) &
- CPLL_CFG0_PLL_DIV_RATIO_MASK;
-
- WARN_ON(div >= ARRAY_SIZE(mt7620_clk_divider));
-
- return mt7620_calc_rate(xtal_rate, mul, mt7620_clk_divider[div]);
-}
-
-static __init unsigned long
-mt7620_get_pll_rate(unsigned long xtal_rate, unsigned long cpu_pll_rate)
-{
- u32 reg;
-
- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1);
- if (reg & CPLL_CFG1_CPU_AUX1)
- return xtal_rate;
-
- if (reg & CPLL_CFG1_CPU_AUX0)
- return MHZ(480);
-
- return cpu_pll_rate;
-}
-
-static __init unsigned long
-mt7620_get_cpu_rate(unsigned long pll_rate)
-{
- u32 reg;
- u32 mul;
- u32 div;
-
- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
-
- mul = reg & CPU_SYS_CLKCFG_CPU_FFRAC_MASK;
- div = (reg >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) &
- CPU_SYS_CLKCFG_CPU_FDIV_MASK;
-
- return mt7620_calc_rate(pll_rate, mul, div);
-}
-
-static const u32 mt7620_ocp_dividers[16] __initconst = {
- [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2,
- [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3,
- [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4,
- [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5,
- [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10,
-};
-
-static __init unsigned long
-mt7620_get_dram_rate(unsigned long pll_rate)
-{
- if (dram_type == SYSCFG0_DRAM_TYPE_SDRAM)
- return pll_rate / 4;
-
- return pll_rate / 3;
-}
-
-static __init unsigned long
-mt7620_get_sys_rate(unsigned long cpu_rate)
-{
- u32 reg;
- u32 ocp_ratio;
- u32 div;
-
- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
-
- ocp_ratio = (reg >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) &
- CPU_SYS_CLKCFG_OCP_RATIO_MASK;
-
- if (WARN_ON(ocp_ratio >= ARRAY_SIZE(mt7620_ocp_dividers)))
- return cpu_rate;
-
- div = mt7620_ocp_dividers[ocp_ratio];
- if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio))
- return cpu_rate;
-
- return cpu_rate / div;
-}
-
-void __init ralink_clk_init(void)
-{
- unsigned long xtal_rate;
- unsigned long cpu_pll_rate;
- unsigned long pll_rate;
- unsigned long cpu_rate;
- unsigned long sys_rate;
- unsigned long dram_rate;
- unsigned long periph_rate;
- unsigned long pcmi2s_rate;
-
- xtal_rate = mt7620_get_xtal_rate();
-
-#define RFMT(label) label ":%lu.%03luMHz "
-#define RINT(x) ((x) / 1000000)
-#define RFRAC(x) (((x) / 1000) % 1000)
-
- if (is_mt76x8()) {
- if (xtal_rate == MHZ(40))
- cpu_rate = MHZ(580);
- else
- cpu_rate = MHZ(575);
- dram_rate = sys_rate = cpu_rate / 3;
- periph_rate = MHZ(40);
- pcmi2s_rate = MHZ(480);
-
- ralink_clk_add("10000d00.uartlite", periph_rate);
- ralink_clk_add("10000e00.uartlite", periph_rate);
- } else {
- cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate);
- pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate);
-
- cpu_rate = mt7620_get_cpu_rate(pll_rate);
- dram_rate = mt7620_get_dram_rate(pll_rate);
- sys_rate = mt7620_get_sys_rate(cpu_rate);
- periph_rate = mt7620_get_periph_rate(xtal_rate);
- pcmi2s_rate = periph_rate;
-
- pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"),
- RINT(xtal_rate), RFRAC(xtal_rate),
- RINT(cpu_pll_rate), RFRAC(cpu_pll_rate),
- RINT(pll_rate), RFRAC(pll_rate));
-
- ralink_clk_add("10000500.uart", periph_rate);
- }
-
- pr_debug(RFMT("CPU") RFMT("DRAM") RFMT("SYS") RFMT("PERIPH"),
- RINT(cpu_rate), RFRAC(cpu_rate),
- RINT(dram_rate), RFRAC(dram_rate),
- RINT(sys_rate), RFRAC(sys_rate),
- RINT(periph_rate), RFRAC(periph_rate));
-#undef RFRAC
-#undef RINT
-#undef RFMT
-
- ralink_clk_add("cpu", cpu_rate);
- ralink_clk_add("10000100.timer", periph_rate);
- ralink_clk_add("10000120.watchdog", periph_rate);
- ralink_clk_add("10000900.i2c", periph_rate);
- ralink_clk_add("10000a00.i2s", pcmi2s_rate);
- ralink_clk_add("10000b00.spi", sys_rate);
- ralink_clk_add("10000b40.spi", sys_rate);
- ralink_clk_add("10000c00.uartlite", periph_rate);
- ralink_clk_add("10000d00.uart1", periph_rate);
- ralink_clk_add("10000e00.uart2", periph_rate);
- ralink_clk_add("10180000.wmac", xtal_rate);
-
- if (IS_ENABLED(CONFIG_USB) && !is_mt76x8()) {
- /*
- * When the CPU goes into sleep mode, the BUS clock will be
- * too low for USB to function properly. Adjust the busses
- * fractional divider to fix this
- */
- u32 val = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG);
-
- val &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK);
- val |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL;
-
- rt_sysc_w32(val, SYSC_REG_CPU_SYS_CLKCFG);
- }
-}
-
-void __init ralink_of_remap(void)
-{
- rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc");
- rt_memc_membase = plat_of_remap_node("ralink,mt7620a-memc");
-
- if (!rt_sysc_membase || !rt_memc_membase)
- panic("Failed to remap core resources");
-}
+static struct ralink_soc_info *soc_info_ptr;
static __init void
mt7620_dram_init(struct ralink_soc_info *soc_info)
@@ -324,35 +93,76 @@ mt7628_dram_init(struct ralink_soc_info *soc_info)
}
}
-void __init prom_soc_init(struct ralink_soc_info *soc_info)
+static unsigned int __init mt7620_get_soc_name0(void)
{
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(MT7620_SYSC_BASE);
- unsigned char *name = NULL;
- u32 n0;
- u32 n1;
- u32 rev;
- u32 cfg0;
- u32 pmu0;
- u32 pmu1;
- u32 bga;
+ return __raw_readl(MT7620_SYSC_BASE + SYSC_REG_CHIP_NAME0);
+}
- n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0);
- n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1);
- rev = __raw_readl(sysc + SYSC_REG_CHIP_REV);
- bga = (rev >> CHIP_REV_PKG_SHIFT) & CHIP_REV_PKG_MASK;
+static unsigned int __init mt7620_get_soc_name1(void)
+{
+ return __raw_readl(MT7620_SYSC_BASE + SYSC_REG_CHIP_NAME1);
+}
+
+static bool __init mt7620_soc_valid(void)
+{
+ if (mt7620_get_soc_name0() == MT7620_CHIP_NAME0 &&
+ mt7620_get_soc_name1() == MT7620_CHIP_NAME1)
+ return true;
+ else
+ return false;
+}
+
+static bool __init mt7628_soc_valid(void)
+{
+ if (mt7620_get_soc_name0() == MT7620_CHIP_NAME0 &&
+ mt7620_get_soc_name1() == MT7628_CHIP_NAME1)
+ return true;
+ else
+ return false;
+}
+
+static unsigned int __init mt7620_get_rev(void)
+{
+ return __raw_readl(MT7620_SYSC_BASE + SYSC_REG_CHIP_REV);
+}
+
+static unsigned int __init mt7620_get_bga(void)
+{
+ return (mt7620_get_rev() >> CHIP_REV_PKG_SHIFT) & CHIP_REV_PKG_MASK;
+}
+
+static unsigned int __init mt7620_get_efuse(void)
+{
+ return __raw_readl(MT7620_SYSC_BASE + SYSC_REG_EFUSE_CFG);
+}
+
+static unsigned int __init mt7620_get_soc_ver(void)
+{
+ return (mt7620_get_rev() >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK;
+}
+
+static unsigned int __init mt7620_get_soc_eco(void)
+{
+ return (mt7620_get_rev() & CHIP_REV_ECO_MASK);
+}
+
+static const char __init *mt7620_get_soc_name(struct ralink_soc_info *soc_info)
+{
+ if (mt7620_soc_valid()) {
+ u32 bga = mt7620_get_bga();
- if (n0 == MT7620_CHIP_NAME0 && n1 == MT7620_CHIP_NAME1) {
if (bga) {
ralink_soc = MT762X_SOC_MT7620A;
- name = "MT7620A";
soc_info->compatible = "ralink,mt7620a-soc";
+ return "MT7620A";
} else {
ralink_soc = MT762X_SOC_MT7620N;
- name = "MT7620N";
soc_info->compatible = "ralink,mt7620n-soc";
+ return "MT7620N";
}
- } else if (n0 == MT7620_CHIP_NAME0 && n1 == MT7628_CHIP_NAME1) {
- u32 efuse = __raw_readl(sysc + SYSC_REG_EFUSE_CFG);
+ } else if (mt7628_soc_valid()) {
+ u32 efuse = mt7620_get_efuse();
+ unsigned char *name = NULL;
if (efuse & EFUSE_MT7688) {
ralink_soc = MT762X_SOC_MT7688;
@@ -362,17 +172,63 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
name = "MT7628AN";
}
soc_info->compatible = "ralink,mt7628an-soc";
+ return name;
} else {
- panic("mt762x: unknown SoC, n0:%08x n1:%08x\n", n0, n1);
+ panic("mt762x: unknown SoC, n0:%08x n1:%08x\n",
+ mt7620_get_soc_name0(), mt7620_get_soc_name1());
+ }
+}
+
+static const char __init *mt7620_get_soc_id_name(void)
+{
+ if (ralink_soc == MT762X_SOC_MT7620A)
+ return "mt7620a";
+ else if (ralink_soc == MT762X_SOC_MT7620N)
+ return "mt7620n";
+ else if (ralink_soc == MT762X_SOC_MT7688)
+ return "mt7688";
+ else if (ralink_soc == MT762X_SOC_MT7628AN)
+ return "mt7628n";
+ else
+ return "invalid";
+}
+
+static int __init mt7620_soc_dev_init(void)
+{
+ struct soc_device *soc_dev;
+ struct soc_device_attribute *soc_dev_attr;
+
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
+ soc_dev_attr->family = "Ralink";
+ soc_dev_attr->soc_id = mt7620_get_soc_id_name();
+
+ soc_dev_attr->data = soc_info_ptr;
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr);
+ return PTR_ERR(soc_dev);
}
+ return 0;
+}
+device_initcall(mt7620_soc_dev_init);
+
+void __init prom_soc_init(struct ralink_soc_info *soc_info)
+{
+ const char *name = mt7620_get_soc_name(soc_info);
+ u32 cfg0;
+ u32 pmu0;
+ u32 pmu1;
+
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));
+ name, mt7620_get_soc_ver(), mt7620_get_soc_eco());
- cfg0 = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG0);
+ cfg0 = __raw_readl(MT7620_SYSC_BASE + SYSC_REG_SYSTEM_CONFIG0);
if (is_mt76x8()) {
dram_type = cfg0 & DRAM_TYPE_MT7628_MASK;
} else {
@@ -388,11 +244,13 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
else
mt7620_dram_init(soc_info);
- pmu0 = __raw_readl(sysc + PMU0_CFG);
- pmu1 = __raw_readl(sysc + PMU1_CFG);
+ pmu0 = __raw_readl(MT7620_SYSC_BASE + PMU0_CFG);
+ pmu1 = __raw_readl(MT7620_SYSC_BASE + PMU1_CFG);
pr_info("Analog PMU set to %s control\n",
(pmu0 & PMU_SW_SET) ? ("sw") : ("hw"));
pr_info("Digital PMU set to %s control\n",
(pmu1 & DIG_SW_SEL) ? ("sw") : ("hw"));
+
+ soc_info_ptr = soc_info;
}
diff --git a/arch/mips/ralink/mt7621.c b/arch/mips/ralink/mt7621.c
index bd71f5b14238..5a9fd3fe41d7 100644
--- a/arch/mips/ralink/mt7621.c
+++ b/arch/mips/ralink/mt7621.c
@@ -10,6 +10,8 @@
#include <linux/slab.h>
#include <linux/sys_soc.h>
#include <linux/memblock.h>
+#include <linux/pci.h>
+#include <linux/bug.h>
#include <asm/bootinfo.h>
#include <asm/mipsregs.h>
@@ -20,77 +22,150 @@
#include "common.h"
-static void *detect_magic __initdata = detect_memory_region;
+#define MT7621_MEM_TEST_PATTERN 0xaa5555aa
+
+static u32 detect_magic __initdata;
+static struct ralink_soc_info *soc_info_ptr;
+
+int pcibios_root_bridge_prepare(struct pci_host_bridge *bridge)
+{
+ struct resource_entry *entry;
+ resource_size_t mask;
+
+ entry = resource_list_first_type(&bridge->windows, IORESOURCE_MEM);
+ if (!entry) {
+ pr_err("Cannot get memory resource\n");
+ return -EINVAL;
+ }
+
+ if (mips_cps_numiocu(0)) {
+ /*
+ * Hardware doesn't accept mask values with 1s after
+ * 0s (e.g. 0xffef), so warn if that's happen
+ */
+ mask = ~(entry->res->end - entry->res->start) & CM_GCR_REGn_MASK_ADDRMASK;
+ WARN_ON(mask && BIT(ffz(~mask)) - 1 != ~mask);
+
+ write_gcr_reg1_base(entry->res->start);
+ write_gcr_reg1_mask(mask | CM_GCR_REGn_MASK_CMTGT_IOCU0);
+ pr_info("PCI coherence region base: 0x%08llx, mask/settings: 0x%08llx\n",
+ (unsigned long long)read_gcr_reg1_base(),
+ (unsigned long long)read_gcr_reg1_mask());
+ }
+
+ return 0;
+}
phys_addr_t mips_cpc_default_phys_base(void)
{
panic("Cannot detect cpc address");
}
+static bool __init mt7621_addr_wraparound_test(phys_addr_t size)
+{
+ void *dm = (void *)KSEG1ADDR(&detect_magic);
+
+ if (CPHYSADDR(dm + size) >= MT7621_LOWMEM_MAX_SIZE)
+ return true;
+ __raw_writel(MT7621_MEM_TEST_PATTERN, dm);
+ if (__raw_readl(dm) != __raw_readl(dm + size))
+ return false;
+ __raw_writel(~MT7621_MEM_TEST_PATTERN, dm);
+ return __raw_readl(dm) == __raw_readl(dm + size);
+}
+
static void __init mt7621_memory_detect(void)
{
- void *dm = &detect_magic;
phys_addr_t size;
- for (size = 32 * SZ_1M; size < 256 * SZ_1M; size <<= 1) {
- if (!__builtin_memcmp(dm, dm + size, sizeof(detect_magic)))
- break;
+ for (size = 32 * SZ_1M; size <= 256 * SZ_1M; size <<= 1) {
+ if (mt7621_addr_wraparound_test(size)) {
+ memblock_add(MT7621_LOWMEM_BASE, size);
+ return;
+ }
}
- if ((size == 256 * SZ_1M) &&
- (CPHYSADDR(dm + size) < MT7621_LOWMEM_MAX_SIZE) &&
- __builtin_memcmp(dm, dm + size, sizeof(detect_magic))) {
- memblock_add(MT7621_LOWMEM_BASE, MT7621_LOWMEM_MAX_SIZE);
- memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
- } else {
- memblock_add(MT7621_LOWMEM_BASE, size);
- }
+ memblock_add(MT7621_LOWMEM_BASE, MT7621_LOWMEM_MAX_SIZE);
+ memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE);
+}
+
+static unsigned int __init mt7621_get_soc_name0(void)
+{
+ return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME0);
}
-void __init ralink_of_remap(void)
+static unsigned int __init mt7621_get_soc_name1(void)
{
- rt_sysc_membase = plat_of_remap_node("mediatek,mt7621-sysc");
- rt_memc_membase = plat_of_remap_node("mediatek,mt7621-memc");
+ return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME1);
+}
- if (!rt_sysc_membase || !rt_memc_membase)
- panic("Failed to remap core resources");
+static bool __init mt7621_soc_valid(void)
+{
+ if (mt7621_get_soc_name0() == MT7621_CHIP_NAME0 &&
+ mt7621_get_soc_name1() == MT7621_CHIP_NAME1)
+ return true;
+ else
+ return false;
}
-static void soc_dev_init(struct ralink_soc_info *soc_info, u32 rev)
+static const char __init *mt7621_get_soc_id(void)
+{
+ if (mt7621_soc_valid())
+ return "MT7621";
+ else
+ return "invalid";
+}
+
+static unsigned int __init mt7621_get_soc_rev(void)
+{
+ return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_REV);
+}
+
+static unsigned int __init mt7621_get_soc_ver(void)
+{
+ return (mt7621_get_soc_rev() >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK;
+}
+
+static unsigned int __init mt7621_get_soc_eco(void)
+{
+ return (mt7621_get_soc_rev() & CHIP_REV_ECO_MASK);
+}
+
+static const char __init *mt7621_get_soc_revision(void)
+{
+ if (mt7621_get_soc_rev() == 1 && mt7621_get_soc_eco() == 1)
+ return "E2";
+ else
+ return "E1";
+}
+
+static int __init mt7621_soc_dev_init(void)
{
struct soc_device *soc_dev;
struct soc_device_attribute *soc_dev_attr;
soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
if (!soc_dev_attr)
- return;
+ return -ENOMEM;
soc_dev_attr->soc_id = "mt7621";
soc_dev_attr->family = "Ralink";
+ soc_dev_attr->revision = mt7621_get_soc_revision();
- if (((rev >> CHIP_REV_VER_SHIFT) & CHIP_REV_VER_MASK) == 1 &&
- (rev & CHIP_REV_ECO_MASK) == 1)
- soc_dev_attr->revision = "E2";
- else
- soc_dev_attr->revision = "E1";
-
- soc_dev_attr->data = soc_info;
+ soc_dev_attr->data = soc_info_ptr;
soc_dev = soc_device_register(soc_dev_attr);
if (IS_ERR(soc_dev)) {
kfree(soc_dev_attr);
- return;
+ return PTR_ERR(soc_dev);
}
+
+ return 0;
}
+device_initcall(mt7621_soc_dev_init);
void __init 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;
-
/* Early detection of CMP support */
mips_cm_probe();
mips_cpc_probe();
@@ -100,7 +175,7 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
* mips_cm_probe() wipes out bootloader
* config for CM regions and we have to configure them
* again. This SoC cannot talk to pamlbus devices
- * witout proper iocu region set up.
+ * without proper iocu region set up.
*
* FIXME: it would be better to do this with values
* from DT, but we need this very early because
@@ -113,32 +188,26 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
__sync();
}
- 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";
+ if (mt7621_soc_valid())
soc_info->compatible = "mediatek,mt7621-soc";
- } else {
- panic("mt7621: unknown SoC, n0:%08x n1:%08x\n", n0, n1);
- }
+ else
+ panic("mt7621: unknown SoC, n0:%08x n1:%08x\n",
+ mt7621_get_soc_name0(),
+ mt7621_get_soc_name1());
ralink_soc = MT762X_SOC_MT7621AT;
- 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));
+ mt7621_get_soc_id(),
+ mt7621_get_soc_ver(),
+ mt7621_get_soc_eco());
soc_info->mem_detect = mt7621_memory_detect;
- soc_dev_init(soc_info, rev);
+ soc_info_ptr = soc_info;
if (!register_cps_smp_ops())
return;
- if (!register_cmp_smp_ops())
- return;
if (!register_vsmp_smp_ops())
return;
}
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 0135376c5de5..7f90068c68f2 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -14,13 +14,14 @@
#include <linux/of_fdt.h>
#include <linux/kernel.h>
#include <linux/memblock.h>
-#include <linux/of_platform.h>
+#include <linux/of.h>
#include <linux/of_address.h>
#include <asm/reboot.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/prom.h>
+#include <asm/mach-ralink/ralink_regs.h>
#include "common.h"
@@ -28,40 +29,59 @@ __iomem void *rt_sysc_membase;
__iomem void *rt_memc_membase;
EXPORT_SYMBOL_GPL(rt_sysc_membase);
-__iomem void *plat_of_remap_node(const char *node)
+static const struct of_device_id mtmips_memc_match[] = {
+ { .compatible = "mediatek,mt7621-memc" },
+ { .compatible = "ralink,mt7620a-memc" },
+ { .compatible = "ralink,rt2880-memc" },
+ { .compatible = "ralink,rt3050-memc" },
+ { .compatible = "ralink,rt3883-memc" },
+ {}
+};
+
+static const struct of_device_id mtmips_sysc_match[] = {
+ { .compatible = "mediatek,mt7621-sysc" },
+ { .compatible = "ralink,mt7620-sysc" },
+ { .compatible = "ralink,mt7628-sysc" },
+ { .compatible = "ralink,mt7688-sysc" },
+ { .compatible = "ralink,rt2880-sysc" },
+ { .compatible = "ralink,rt3050-sysc" },
+ { .compatible = "ralink,rt3052-sysc" },
+ { .compatible = "ralink,rt3352-sysc" },
+ { .compatible = "ralink,rt3883-sysc" },
+ { .compatible = "ralink,rt5350-sysc" },
+ {}
+};
+
+static __iomem void *
+mtmips_of_remap_node(const struct of_device_id *match, const char *type)
{
struct resource res;
struct device_node *np;
- np = of_find_compatible_node(NULL, NULL, node);
+ np = of_find_matching_node(NULL, match);
if (!np)
- panic("Failed to find %s node", node);
+ panic("Failed to find %s controller node", type);
if (of_address_to_resource(np, 0, &res))
- panic("Failed to get resource for %s", node);
+ panic("Failed to get resource for %s node", np->name);
if (!request_mem_region(res.start,
resource_size(&res),
res.name))
- panic("Failed to request resources for %s", node);
+ panic("Failed to request resources for %s node", np->name);
- return ioremap(res.start, resource_size(&res));
-}
+ of_node_put(np);
-void __init device_tree_init(void)
-{
- unflatten_and_copy_device_tree();
+ return ioremap(res.start, resource_size(&res));
}
-static int memory_dtb;
-
-static int __init early_init_dt_find_memory(unsigned long node,
- const char *uname, int depth, void *data)
+void __init ralink_of_remap(void)
{
- if (depth == 1 && !strcmp(uname, "memory@0"))
- memory_dtb = 1;
+ rt_sysc_membase = mtmips_of_remap_node(mtmips_sysc_match, "system");
+ rt_memc_membase = mtmips_of_remap_node(mtmips_memc_match, "memory");
- return 0;
+ if (!rt_sysc_membase || !rt_memc_membase)
+ panic("Failed to remap core resources");
}
void __init plat_mem_setup(void)
@@ -77,10 +97,10 @@ void __init plat_mem_setup(void)
dtb = get_fdt();
__dt_setup_arch(dtb);
- of_scan_flat_dt(early_init_dt_find_memory, NULL);
- if (memory_dtb)
- of_scan_flat_dt(early_init_dt_scan_memory, NULL);
- else if (soc_info.mem_detect)
+ if (early_init_dt_scan_memory())
+ return;
+
+ if (soc_info.mem_detect)
soc_info.mem_detect();
else if (soc_info.mem_size)
memblock_add(soc_info.mem_base, soc_info.mem_size * SZ_1M);
@@ -94,9 +114,6 @@ static int __init plat_of_setup(void)
{
__dt_register_buses(soc_info.compatible, "palmbus");
- /* make sure that the reset controller is setup early */
- ralink_rst_init();
-
return 0;
}
diff --git a/arch/mips/ralink/prom.c b/arch/mips/ralink/prom.c
index aaac1e6ec7d9..c3b96861844c 100644
--- a/arch/mips/ralink/prom.c
+++ b/arch/mips/ralink/prom.c
@@ -7,8 +7,6 @@
*/
#include <linux/string.h>
-#include <linux/of_fdt.h>
-#include <linux/of_platform.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
diff --git a/arch/mips/ralink/reset.c b/arch/mips/ralink/reset.c
index 274d33078c5e..4875637ef469 100644
--- a/arch/mips/ralink/reset.c
+++ b/arch/mips/ralink/reset.c
@@ -10,7 +10,6 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/delay.h>
-#include <linux/reset-controller.h>
#include <asm/reboot.h>
@@ -22,66 +21,6 @@
#define RSTCTL_RESET_PCI BIT(26)
#define RSTCTL_RESET_SYSTEM BIT(0)
-static int ralink_assert_device(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- u32 val;
-
- if (id == 0)
- return -1;
-
- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
- val |= BIT(id);
- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
-
- return 0;
-}
-
-static int ralink_deassert_device(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- u32 val;
-
- if (id == 0)
- return -1;
-
- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
- val &= ~BIT(id);
- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
-
- return 0;
-}
-
-static int ralink_reset_device(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- ralink_assert_device(rcdev, id);
- return ralink_deassert_device(rcdev, id);
-}
-
-static const struct reset_control_ops reset_ops = {
- .reset = ralink_reset_device,
- .assert = ralink_assert_device,
- .deassert = ralink_deassert_device,
-};
-
-static struct reset_controller_dev reset_dev = {
- .ops = &reset_ops,
- .owner = THIS_MODULE,
- .nr_resets = 32,
- .of_reset_n_cells = 1,
-};
-
-void ralink_rst_init(void)
-{
- reset_dev.of_node = of_find_compatible_node(NULL, NULL,
- "ralink,rt2880-reset");
- if (!reset_dev.of_node)
- pr_err("Failed to find reset controller node");
- else
- reset_controller_register(&reset_dev);
-}
-
static void ralink_restart(char *command)
{
if (IS_ENABLED(CONFIG_PCI)) {
diff --git a/arch/mips/ralink/rt288x.c b/arch/mips/ralink/rt288x.c
index 493335db2fe1..ce8b5b6025bb 100644
--- a/arch/mips/ralink/rt288x.c
+++ b/arch/mips/ralink/rt288x.c
@@ -10,6 +10,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
#include <asm/mipsregs.h>
#include <asm/mach-ralink/ralink_regs.h>
@@ -17,74 +19,92 @@
#include "common.h"
-void __init ralink_clk_init(void)
+static struct ralink_soc_info *soc_info_ptr;
+
+static unsigned int __init rt2880_get_soc_name0(void)
{
- unsigned long cpu_rate, wmac_rate = 40000000;
- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
- t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK);
-
- switch (t) {
- case SYSTEM_CONFIG_CPUCLK_250:
- cpu_rate = 250000000;
- break;
- case SYSTEM_CONFIG_CPUCLK_266:
- cpu_rate = 266666667;
- break;
- case SYSTEM_CONFIG_CPUCLK_280:
- cpu_rate = 280000000;
- break;
- case SYSTEM_CONFIG_CPUCLK_300:
- cpu_rate = 300000000;
- break;
- }
+ return __raw_readl(RT2880_SYSC_BASE + SYSC_REG_CHIP_NAME0);
+}
- ralink_clk_add("cpu", cpu_rate);
- ralink_clk_add("300100.timer", cpu_rate / 2);
- ralink_clk_add("300120.watchdog", cpu_rate / 2);
- ralink_clk_add("300500.uart", cpu_rate / 2);
- ralink_clk_add("300900.i2c", cpu_rate / 2);
- ralink_clk_add("300c00.uartlite", cpu_rate / 2);
- ralink_clk_add("400000.ethernet", cpu_rate / 2);
- ralink_clk_add("480000.wmac", wmac_rate);
+static unsigned int __init rt2880_get_soc_name1(void)
+{
+ return __raw_readl(RT2880_SYSC_BASE + SYSC_REG_CHIP_NAME1);
}
-void __init ralink_of_remap(void)
+static bool __init rt2880_soc_valid(void)
{
- rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc");
- rt_memc_membase = plat_of_remap_node("ralink,rt2880-memc");
+ if (rt2880_get_soc_name0() == RT2880_CHIP_NAME0 &&
+ rt2880_get_soc_name1() == RT2880_CHIP_NAME1)
+ return true;
+ else
+ return false;
+}
- if (!rt_sysc_membase || !rt_memc_membase)
- panic("Failed to remap core resources");
+static const char __init *rt2880_get_soc_name(void)
+{
+ if (rt2880_soc_valid())
+ return "RT2880";
+ else
+ return "invalid";
}
-void __init prom_soc_init(struct ralink_soc_info *soc_info)
+static unsigned int __init rt2880_get_soc_id(void)
{
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT2880_SYSC_BASE);
- const char *name;
- u32 n0;
- u32 n1;
- u32 id;
+ return __raw_readl(RT2880_SYSC_BASE + SYSC_REG_CHIP_ID);
+}
- n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0);
- n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1);
- id = __raw_readl(sysc + SYSC_REG_CHIP_ID);
+static unsigned int __init rt2880_get_soc_ver(void)
+{
+ return (rt2880_get_soc_id() >> CHIP_ID_ID_SHIFT) & CHIP_ID_ID_MASK;
+}
- if (n0 == RT2880_CHIP_NAME0 && n1 == RT2880_CHIP_NAME1) {
- soc_info->compatible = "ralink,r2880-soc";
- name = "RT2880";
- } else {
- panic("rt288x: unknown SoC, n0:%08x n1:%08x", n0, n1);
+static unsigned int __init rt2880_get_soc_rev(void)
+{
+ return (rt2880_get_soc_id() & CHIP_ID_REV_MASK);
+}
+
+static int __init rt2880_soc_dev_init(void)
+{
+ struct soc_device *soc_dev;
+ struct soc_device_attribute *soc_dev_attr;
+
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
+ soc_dev_attr->family = "Ralink";
+ soc_dev_attr->soc_id = rt2880_get_soc_name();
+
+ soc_dev_attr->data = soc_info_ptr;
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr);
+ return PTR_ERR(soc_dev);
}
+ return 0;
+}
+device_initcall(rt2880_soc_dev_init);
+
+void __init prom_soc_init(struct ralink_soc_info *soc_info)
+{
+ if (rt2880_soc_valid())
+ soc_info->compatible = "ralink,r2880-soc";
+ else
+ panic("rt288x: unknown SoC, n0:%08x n1:%08x",
+ rt2880_get_soc_name0(), rt2880_get_soc_name1());
+
snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN,
"Ralink %s id:%u rev:%u",
- name,
- (id >> CHIP_ID_ID_SHIFT) & CHIP_ID_ID_MASK,
- (id & CHIP_ID_REV_MASK));
+ rt2880_get_soc_name(),
+ rt2880_get_soc_ver(),
+ rt2880_get_soc_rev());
soc_info->mem_base = RT2880_SDRAM_BASE;
soc_info->mem_size_min = RT2880_MEM_SIZE_MIN;
soc_info->mem_size_max = RT2880_MEM_SIZE_MAX;
ralink_soc = RT2880_SOC;
+ soc_info_ptr = soc_info;
}
diff --git a/arch/mips/ralink/rt305x.c b/arch/mips/ralink/rt305x.c
index 8b095a9dcb15..1f422470b029 100644
--- a/arch/mips/ralink/rt305x.c
+++ b/arch/mips/ralink/rt305x.c
@@ -11,6 +11,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/bug.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
#include <asm/io.h>
#include <asm/mipsregs.h>
@@ -19,13 +21,14 @@
#include "common.h"
+static struct ralink_soc_info *soc_info_ptr;
+
static unsigned long rt5350_get_mem_size(void)
{
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
unsigned long ret;
u32 t;
- t = __raw_readl(sysc + SYSC_REG_SYSTEM_CONFIG);
+ t = __raw_readl(RT305X_SYSC_BASE + SYSC_REG_SYSTEM_CONFIG);
t = (t >> RT5350_SYSCFG0_DRAM_SIZE_SHIFT) &
RT5350_SYSCFG0_DRAM_SIZE_MASK;
@@ -53,140 +56,149 @@ static unsigned long rt5350_get_mem_size(void)
return ret;
}
-void __init ralink_clk_init(void)
+static unsigned int __init rt305x_get_soc_name0(void)
{
- unsigned long cpu_rate, sys_rate, wdt_rate, uart_rate;
- unsigned long wmac_rate = 40000000;
-
- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG);
-
- if (soc_is_rt305x() || soc_is_rt3350()) {
- t = (t >> RT305X_SYSCFG_CPUCLK_SHIFT) &
- RT305X_SYSCFG_CPUCLK_MASK;
- switch (t) {
- case RT305X_SYSCFG_CPUCLK_LOW:
- cpu_rate = 320000000;
- break;
- case RT305X_SYSCFG_CPUCLK_HIGH:
- cpu_rate = 384000000;
- break;
- }
- sys_rate = uart_rate = wdt_rate = cpu_rate / 3;
- } else if (soc_is_rt3352()) {
- t = (t >> RT3352_SYSCFG0_CPUCLK_SHIFT) &
- RT3352_SYSCFG0_CPUCLK_MASK;
- switch (t) {
- case RT3352_SYSCFG0_CPUCLK_LOW:
- cpu_rate = 384000000;
- break;
- case RT3352_SYSCFG0_CPUCLK_HIGH:
- cpu_rate = 400000000;
- break;
- }
- sys_rate = wdt_rate = cpu_rate / 3;
- uart_rate = 40000000;
- } else if (soc_is_rt5350()) {
- t = (t >> RT5350_SYSCFG0_CPUCLK_SHIFT) &
- RT5350_SYSCFG0_CPUCLK_MASK;
- switch (t) {
- case RT5350_SYSCFG0_CPUCLK_360:
- cpu_rate = 360000000;
- sys_rate = cpu_rate / 3;
- break;
- case RT5350_SYSCFG0_CPUCLK_320:
- cpu_rate = 320000000;
- sys_rate = cpu_rate / 4;
- break;
- case RT5350_SYSCFG0_CPUCLK_300:
- cpu_rate = 300000000;
- sys_rate = cpu_rate / 3;
- break;
- default:
- BUG();
- }
- uart_rate = 40000000;
- wdt_rate = sys_rate;
- } else {
- BUG();
- }
-
- if (soc_is_rt3352() || soc_is_rt5350()) {
- u32 val = rt_sysc_r32(RT3352_SYSC_REG_SYSCFG0);
-
- if (!(val & RT3352_CLKCFG0_XTAL_SEL))
- wmac_rate = 20000000;
- }
+ return __raw_readl(RT305X_SYSC_BASE + SYSC_REG_CHIP_NAME0);
+}
- ralink_clk_add("cpu", cpu_rate);
- ralink_clk_add("sys", sys_rate);
- ralink_clk_add("10000900.i2c", uart_rate);
- ralink_clk_add("10000a00.i2s", uart_rate);
- ralink_clk_add("10000b00.spi", sys_rate);
- ralink_clk_add("10000b40.spi", sys_rate);
- ralink_clk_add("10000100.timer", wdt_rate);
- ralink_clk_add("10000120.watchdog", wdt_rate);
- ralink_clk_add("10000500.uart", uart_rate);
- ralink_clk_add("10000c00.uartlite", uart_rate);
- ralink_clk_add("10100000.ethernet", sys_rate);
- ralink_clk_add("10180000.wmac", wmac_rate);
+static unsigned int __init rt305x_get_soc_name1(void)
+{
+ return __raw_readl(RT305X_SYSC_BASE + SYSC_REG_CHIP_NAME1);
}
-void __init ralink_of_remap(void)
+static bool __init rt3052_soc_valid(void)
{
- rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc");
- rt_memc_membase = plat_of_remap_node("ralink,rt3050-memc");
+ if (rt305x_get_soc_name0() == RT3052_CHIP_NAME0 &&
+ rt305x_get_soc_name1() == RT3052_CHIP_NAME1)
+ return true;
+ else
+ return false;
+}
- if (!rt_sysc_membase || !rt_memc_membase)
- panic("Failed to remap core resources");
+static bool __init rt3350_soc_valid(void)
+{
+ if (rt305x_get_soc_name0() == RT3350_CHIP_NAME0 &&
+ rt305x_get_soc_name1() == RT3350_CHIP_NAME1)
+ return true;
+ else
+ return false;
}
-void __init prom_soc_init(struct ralink_soc_info *soc_info)
+static bool __init rt3352_soc_valid(void)
{
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
- unsigned char *name;
- u32 n0;
- u32 n1;
- u32 id;
+ if (rt305x_get_soc_name0() == RT3352_CHIP_NAME0 &&
+ rt305x_get_soc_name1() == RT3352_CHIP_NAME1)
+ return true;
+ else
+ return false;
+}
- n0 = __raw_readl(sysc + SYSC_REG_CHIP_NAME0);
- n1 = __raw_readl(sysc + SYSC_REG_CHIP_NAME1);
+static bool __init rt5350_soc_valid(void)
+{
+ if (rt305x_get_soc_name0() == RT5350_CHIP_NAME0 &&
+ rt305x_get_soc_name1() == RT5350_CHIP_NAME1)
+ return true;
+ else
+ return false;
+}
- if (n0 == RT3052_CHIP_NAME0 && n1 == RT3052_CHIP_NAME1) {
+static const char __init *rt305x_get_soc_name(struct ralink_soc_info *soc_info)
+{
+ if (rt3052_soc_valid()) {
unsigned long icache_sets;
icache_sets = (read_c0_config1() >> 22) & 7;
if (icache_sets == 1) {
ralink_soc = RT305X_SOC_RT3050;
- name = "RT3050";
soc_info->compatible = "ralink,rt3050-soc";
+ return "RT3050";
} else {
ralink_soc = RT305X_SOC_RT3052;
- name = "RT3052";
soc_info->compatible = "ralink,rt3052-soc";
+ return "RT3052";
}
- } else if (n0 == RT3350_CHIP_NAME0 && n1 == RT3350_CHIP_NAME1) {
+ } else if (rt3350_soc_valid()) {
ralink_soc = RT305X_SOC_RT3350;
- name = "RT3350";
soc_info->compatible = "ralink,rt3350-soc";
- } else if (n0 == RT3352_CHIP_NAME0 && n1 == RT3352_CHIP_NAME1) {
+ return "RT3350";
+ } else if (rt3352_soc_valid()) {
ralink_soc = RT305X_SOC_RT3352;
- name = "RT3352";
soc_info->compatible = "ralink,rt3352-soc";
- } else if (n0 == RT5350_CHIP_NAME0 && n1 == RT5350_CHIP_NAME1) {
+ return "RT3352";
+ } else if (rt5350_soc_valid()) {
ralink_soc = RT305X_SOC_RT5350;
- name = "RT5350";
soc_info->compatible = "ralink,rt5350-soc";
+ return "RT5350";
} else {
- panic("rt305x: unknown SoC, n0:%08x n1:%08x", n0, n1);
+ panic("rt305x: unknown SoC, n0:%08x n1:%08x",
+ rt305x_get_soc_name0(), rt305x_get_soc_name1());
+ }
+}
+
+static unsigned int __init rt305x_get_soc_id(void)
+{
+ return __raw_readl(RT305X_SYSC_BASE + SYSC_REG_CHIP_ID);
+}
+
+static unsigned int __init rt305x_get_soc_ver(void)
+{
+ return (rt305x_get_soc_id() >> CHIP_ID_ID_SHIFT) & CHIP_ID_ID_MASK;
+}
+
+static unsigned int __init rt305x_get_soc_rev(void)
+{
+ return (rt305x_get_soc_id() & CHIP_ID_REV_MASK);
+}
+
+static const char __init *rt305x_get_soc_id_name(void)
+{
+ if (soc_is_rt3050())
+ return "rt3050";
+ else if (soc_is_rt3052())
+ return "rt3052";
+ else if (soc_is_rt3350())
+ return "rt3350";
+ else if (soc_is_rt3352())
+ return "rt3352";
+ else if (soc_is_rt5350())
+ return "rt5350";
+ else
+ return "invalid";
+}
+
+static int __init rt305x_soc_dev_init(void)
+{
+ struct soc_device *soc_dev;
+ struct soc_device_attribute *soc_dev_attr;
+
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
+ soc_dev_attr->family = "Ralink";
+ soc_dev_attr->soc_id = rt305x_get_soc_id_name();
+
+ soc_dev_attr->data = soc_info_ptr;
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr);
+ return PTR_ERR(soc_dev);
}
- id = __raw_readl(sysc + SYSC_REG_CHIP_ID);
+ return 0;
+}
+device_initcall(rt305x_soc_dev_init);
+
+void __init prom_soc_init(struct ralink_soc_info *soc_info)
+{
+ const char *name = rt305x_get_soc_name(soc_info);
snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN,
"Ralink %s id:%u rev:%u",
name,
- (id >> CHIP_ID_ID_SHIFT) & CHIP_ID_ID_MASK,
- (id & CHIP_ID_REV_MASK));
+ rt305x_get_soc_ver(),
+ rt305x_get_soc_rev());
soc_info->mem_base = RT305X_SDRAM_BASE;
if (soc_is_rt5350()) {
@@ -198,4 +210,6 @@ void __init prom_soc_init(struct ralink_soc_info *soc_info)
soc_info->mem_size_min = RT3352_MEM_SIZE_MIN;
soc_info->mem_size_max = RT3352_MEM_SIZE_MAX;
}
+
+ soc_info_ptr = soc_info;
}
diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c
index d9875f146d66..21ce00da5758 100644
--- a/arch/mips/ralink/rt3883.c
+++ b/arch/mips/ralink/rt3883.c
@@ -10,6 +10,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/sys_soc.h>
#include <asm/mipsregs.h>
#include <asm/mach-ralink/ralink_regs.h>
@@ -17,87 +19,92 @@
#include "common.h"
-void __init ralink_clk_init(void)
+static struct ralink_soc_info *soc_info_ptr;
+
+static unsigned int __init rt3883_get_soc_name0(void)
{
- unsigned long cpu_rate, sys_rate;
- u32 syscfg0;
- u32 clksel;
- u32 ddr2;
-
- syscfg0 = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG0);
- clksel = ((syscfg0 >> RT3883_SYSCFG0_CPUCLK_SHIFT) &
- RT3883_SYSCFG0_CPUCLK_MASK);
- ddr2 = syscfg0 & RT3883_SYSCFG0_DRAM_TYPE_DDR2;
-
- switch (clksel) {
- case RT3883_SYSCFG0_CPUCLK_250:
- cpu_rate = 250000000;
- sys_rate = (ddr2) ? 125000000 : 83000000;
- break;
- case RT3883_SYSCFG0_CPUCLK_384:
- cpu_rate = 384000000;
- sys_rate = (ddr2) ? 128000000 : 96000000;
- break;
- case RT3883_SYSCFG0_CPUCLK_480:
- cpu_rate = 480000000;
- sys_rate = (ddr2) ? 160000000 : 120000000;
- break;
- case RT3883_SYSCFG0_CPUCLK_500:
- cpu_rate = 500000000;
- sys_rate = (ddr2) ? 166000000 : 125000000;
- break;
- }
+ return __raw_readl(RT3883_SYSC_BASE + RT3883_SYSC_REG_CHIPID0_3);
+}
- ralink_clk_add("cpu", cpu_rate);
- ralink_clk_add("10000100.timer", sys_rate);
- ralink_clk_add("10000120.watchdog", sys_rate);
- ralink_clk_add("10000500.uart", 40000000);
- ralink_clk_add("10000900.i2c", 40000000);
- ralink_clk_add("10000a00.i2s", 40000000);
- ralink_clk_add("10000b00.spi", sys_rate);
- ralink_clk_add("10000b40.spi", sys_rate);
- ralink_clk_add("10000c00.uartlite", 40000000);
- ralink_clk_add("10100000.ethernet", sys_rate);
- ralink_clk_add("10180000.wmac", 40000000);
+static unsigned int __init rt3883_get_soc_name1(void)
+{
+ return __raw_readl(RT3883_SYSC_BASE + RT3883_SYSC_REG_CHIPID4_7);
}
-void __init ralink_of_remap(void)
+static bool __init rt3883_soc_valid(void)
{
- rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc");
- rt_memc_membase = plat_of_remap_node("ralink,rt3883-memc");
+ if (rt3883_get_soc_name0() == RT3883_CHIP_NAME0 &&
+ rt3883_get_soc_name1() == RT3883_CHIP_NAME1)
+ return true;
+ else
+ return false;
+}
- if (!rt_sysc_membase || !rt_memc_membase)
- panic("Failed to remap core resources");
+static const char __init *rt3883_get_soc_name(void)
+{
+ if (rt3883_soc_valid())
+ return "RT3883";
+ else
+ return "invalid";
}
-void __init prom_soc_init(struct ralink_soc_info *soc_info)
+static unsigned int __init rt3883_get_soc_id(void)
{
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE);
- const char *name;
- u32 n0;
- u32 n1;
- u32 id;
+ return __raw_readl(RT3883_SYSC_BASE + RT3883_SYSC_REG_REVID);
+}
- n0 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID0_3);
- n1 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID4_7);
- id = __raw_readl(sysc + RT3883_SYSC_REG_REVID);
+static unsigned int __init rt3883_get_soc_ver(void)
+{
+ return (rt3883_get_soc_id() >> RT3883_REVID_VER_ID_SHIFT) & RT3883_REVID_VER_ID_MASK;
+}
- if (n0 == RT3883_CHIP_NAME0 && n1 == RT3883_CHIP_NAME1) {
- soc_info->compatible = "ralink,rt3883-soc";
- name = "RT3883";
- } else {
- panic("rt3883: unknown SoC, n0:%08x n1:%08x", n0, n1);
+static unsigned int __init rt3883_get_soc_rev(void)
+{
+ return (rt3883_get_soc_id() & RT3883_REVID_ECO_ID_MASK);
+}
+
+static int __init rt3883_soc_dev_init(void)
+{
+ struct soc_device *soc_dev;
+ struct soc_device_attribute *soc_dev_attr;
+
+ soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
+ if (!soc_dev_attr)
+ return -ENOMEM;
+
+ soc_dev_attr->family = "Ralink";
+ soc_dev_attr->soc_id = rt3883_get_soc_name();
+
+ soc_dev_attr->data = soc_info_ptr;
+
+ soc_dev = soc_device_register(soc_dev_attr);
+ if (IS_ERR(soc_dev)) {
+ kfree(soc_dev_attr);
+ return PTR_ERR(soc_dev);
}
+ return 0;
+}
+device_initcall(rt3883_soc_dev_init);
+
+void __init prom_soc_init(struct ralink_soc_info *soc_info)
+{
+ if (rt3883_soc_valid())
+ soc_info->compatible = "ralink,rt3883-soc";
+ else
+ panic("rt3883: unknown SoC, n0:%08x n1:%08x",
+ rt3883_get_soc_name0(), rt3883_get_soc_name1());
+
snprintf(soc_info->sys_type, RAMIPS_SYS_TYPE_LEN,
"Ralink %s ver:%u eco:%u",
- name,
- (id >> RT3883_REVID_VER_ID_SHIFT) & RT3883_REVID_VER_ID_MASK,
- (id & RT3883_REVID_ECO_ID_MASK));
+ rt3883_get_soc_name(),
+ rt3883_get_soc_ver(),
+ rt3883_get_soc_rev());
soc_info->mem_base = RT3883_SDRAM_BASE;
soc_info->mem_size_min = RT3883_MEM_SIZE_MIN;
soc_info->mem_size_max = RT3883_MEM_SIZE_MAX;
ralink_soc = RT3883_SOC;
+ soc_info_ptr = soc_info;
}
diff --git a/arch/mips/ralink/timer-gic.c b/arch/mips/ralink/timer-gic.c
index dcf2a44ac51e..926082655a78 100644
--- a/arch/mips/ralink/timer-gic.c
+++ b/arch/mips/ralink/timer-gic.c
@@ -11,6 +11,8 @@
#include <linux/of_clk.h>
#include <linux/clocksource.h>
+#include <asm/time.h>
+
#include "common.h"
void __init plat_time_init(void)
diff --git a/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c
index 652424d8ed51..54094f6e033e 100644
--- a/arch/mips/ralink/timer.c
+++ b/arch/mips/ralink/timer.c
@@ -6,11 +6,16 @@
* Copyright (C) 2013 John Crispin <john@phrozen.org>
*/
-#include <linux/platform_device.h>
+#include <linux/bits.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/err.h>
#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/mod_devicetable.h>
+#include <linux/platform_device.h>
#include <linux/timer.h>
-#include <linux/of_gpio.h>
-#include <linux/clk.h>
+#include <linux/types.h>
#include <asm/mach-ralink/ralink_regs.h>
@@ -95,7 +100,6 @@ static int rt_timer_enable(struct rt_timer *rt)
static int rt_timer_probe(struct platform_device *pdev)
{
- struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
struct rt_timer *rt;
struct clk *clk;
@@ -109,7 +113,7 @@ static int rt_timer_probe(struct platform_device *pdev)
if (rt->irq < 0)
return rt->irq;
- rt->membase = devm_ioremap_resource(&pdev->dev, res);
+ rt->membase = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
if (IS_ERR(rt->membase))
return PTR_ERR(rt->membase);
generated by cgit (git 2.34.1) at 2025-12-26 03:06:20 +0000