From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/arch/arm/mach-davinci/da850.c | 197 +++++++++++--------------------------------------
1 files changed, 45 insertions(+), 152 deletions(-)
diff --git a/kernel/arch/arm/mach-davinci/da850.c b/kernel/arch/arm/mach-davinci/da850.c
index 4528bbf..68156e7 100644
--- a/kernel/arch/arm/mach-davinci/da850.c
+++ b/kernel/arch/arm/mach-davinci/da850.c
@@ -1,7 +1,7 @@
/*
* TI DA850/OMAP-L138 chip specific setup
*
- * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com/
*
* Derived from: arch/arm/mach-davinci/da830.c
* Original Copyrights follow:
@@ -18,9 +18,12 @@
#include <linux/cpufreq.h>
#include <linux/gpio.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/irqchip/irq-davinci-cp-intc.h>
#include <linux/mfd/da8xx-cfgchip.h>
#include <linux/platform_data/clk-da8xx-cfgchip.h>
#include <linux/platform_data/clk-davinci-pll.h>
+#include <linux/platform_data/davinci-cpufreq.h>
#include <linux/platform_data/gpio-davinci.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
@@ -29,13 +32,13 @@
#include <asm/mach/map.h>
#include <mach/common.h>
-#include <mach/cpufreq.h>
#include <mach/cputype.h>
#include <mach/da8xx.h>
-#include <mach/irqs.h>
#include <mach/pm.h>
-#include <mach/time.h>
+#include <clocksource/timer-davinci.h>
+
+#include "irqs.h"
#include "mux.h"
#define DA850_PLL1_BASE 0x01e1a000
@@ -298,111 +301,6 @@
-1
};
-/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
-static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
- [IRQ_DA8XX_COMMTX] = 7,
- [IRQ_DA8XX_COMMRX] = 7,
- [IRQ_DA8XX_NINT] = 7,
- [IRQ_DA8XX_EVTOUT0] = 7,
- [IRQ_DA8XX_EVTOUT1] = 7,
- [IRQ_DA8XX_EVTOUT2] = 7,
- [IRQ_DA8XX_EVTOUT3] = 7,
- [IRQ_DA8XX_EVTOUT4] = 7,
- [IRQ_DA8XX_EVTOUT5] = 7,
- [IRQ_DA8XX_EVTOUT6] = 7,
- [IRQ_DA8XX_EVTOUT7] = 7,
- [IRQ_DA8XX_CCINT0] = 7,
- [IRQ_DA8XX_CCERRINT] = 7,
- [IRQ_DA8XX_TCERRINT0] = 7,
- [IRQ_DA8XX_AEMIFINT] = 7,
- [IRQ_DA8XX_I2CINT0] = 7,
- [IRQ_DA8XX_MMCSDINT0] = 7,
- [IRQ_DA8XX_MMCSDINT1] = 7,
- [IRQ_DA8XX_ALLINT0] = 7,
- [IRQ_DA8XX_RTC] = 7,
- [IRQ_DA8XX_SPINT0] = 7,
- [IRQ_DA8XX_TINT12_0] = 7,
- [IRQ_DA8XX_TINT34_0] = 7,
- [IRQ_DA8XX_TINT12_1] = 7,
- [IRQ_DA8XX_TINT34_1] = 7,
- [IRQ_DA8XX_UARTINT0] = 7,
- [IRQ_DA8XX_KEYMGRINT] = 7,
- [IRQ_DA850_MPUADDRERR0] = 7,
- [IRQ_DA8XX_CHIPINT0] = 7,
- [IRQ_DA8XX_CHIPINT1] = 7,
- [IRQ_DA8XX_CHIPINT2] = 7,
- [IRQ_DA8XX_CHIPINT3] = 7,
- [IRQ_DA8XX_TCERRINT1] = 7,
- [IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
- [IRQ_DA8XX_C0_RX_PULSE] = 7,
- [IRQ_DA8XX_C0_TX_PULSE] = 7,
- [IRQ_DA8XX_C0_MISC_PULSE] = 7,
- [IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
- [IRQ_DA8XX_C1_RX_PULSE] = 7,
- [IRQ_DA8XX_C1_TX_PULSE] = 7,
- [IRQ_DA8XX_C1_MISC_PULSE] = 7,
- [IRQ_DA8XX_MEMERR] = 7,
- [IRQ_DA8XX_GPIO0] = 7,
- [IRQ_DA8XX_GPIO1] = 7,
- [IRQ_DA8XX_GPIO2] = 7,
- [IRQ_DA8XX_GPIO3] = 7,
- [IRQ_DA8XX_GPIO4] = 7,
- [IRQ_DA8XX_GPIO5] = 7,
- [IRQ_DA8XX_GPIO6] = 7,
- [IRQ_DA8XX_GPIO7] = 7,
- [IRQ_DA8XX_GPIO8] = 7,
- [IRQ_DA8XX_I2CINT1] = 7,
- [IRQ_DA8XX_LCDINT] = 7,
- [IRQ_DA8XX_UARTINT1] = 7,
- [IRQ_DA8XX_MCASPINT] = 7,
- [IRQ_DA8XX_ALLINT1] = 7,
- [IRQ_DA8XX_SPINT1] = 7,
- [IRQ_DA8XX_UHPI_INT1] = 7,
- [IRQ_DA8XX_USB_INT] = 7,
- [IRQ_DA8XX_IRQN] = 7,
- [IRQ_DA8XX_RWAKEUP] = 7,
- [IRQ_DA8XX_UARTINT2] = 7,
- [IRQ_DA8XX_DFTSSINT] = 7,
- [IRQ_DA8XX_EHRPWM0] = 7,
- [IRQ_DA8XX_EHRPWM0TZ] = 7,
- [IRQ_DA8XX_EHRPWM1] = 7,
- [IRQ_DA8XX_EHRPWM1TZ] = 7,
- [IRQ_DA850_SATAINT] = 7,
- [IRQ_DA850_TINTALL_2] = 7,
- [IRQ_DA8XX_ECAP0] = 7,
- [IRQ_DA8XX_ECAP1] = 7,
- [IRQ_DA8XX_ECAP2] = 7,
- [IRQ_DA850_MMCSDINT0_1] = 7,
- [IRQ_DA850_MMCSDINT1_1] = 7,
- [IRQ_DA850_T12CMPINT0_2] = 7,
- [IRQ_DA850_T12CMPINT1_2] = 7,
- [IRQ_DA850_T12CMPINT2_2] = 7,
- [IRQ_DA850_T12CMPINT3_2] = 7,
- [IRQ_DA850_T12CMPINT4_2] = 7,
- [IRQ_DA850_T12CMPINT5_2] = 7,
- [IRQ_DA850_T12CMPINT6_2] = 7,
- [IRQ_DA850_T12CMPINT7_2] = 7,
- [IRQ_DA850_T12CMPINT0_3] = 7,
- [IRQ_DA850_T12CMPINT1_3] = 7,
- [IRQ_DA850_T12CMPINT2_3] = 7,
- [IRQ_DA850_T12CMPINT3_3] = 7,
- [IRQ_DA850_T12CMPINT4_3] = 7,
- [IRQ_DA850_T12CMPINT5_3] = 7,
- [IRQ_DA850_T12CMPINT6_3] = 7,
- [IRQ_DA850_T12CMPINT7_3] = 7,
- [IRQ_DA850_RPIINT] = 7,
- [IRQ_DA850_VPIFINT] = 7,
- [IRQ_DA850_CCINT1] = 7,
- [IRQ_DA850_CCERRINT1] = 7,
- [IRQ_DA850_TCERRINT2] = 7,
- [IRQ_DA850_TINTALL_3] = 7,
- [IRQ_DA850_MCBSP0RINT] = 7,
- [IRQ_DA850_MCBSP0XINT] = 7,
- [IRQ_DA850_MCBSP1RINT] = 7,
- [IRQ_DA850_MCBSP1XINT] = 7,
- [IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
-};
-
static struct map_desc da850_io_desc[] = {
{
.virtual = IO_VIRT,
@@ -436,38 +334,16 @@
},
};
-static struct davinci_timer_instance da850_timer_instance[4] = {
- {
- .base = DA8XX_TIMER64P0_BASE,
- .bottom_irq = IRQ_DA8XX_TINT12_0,
- .top_irq = IRQ_DA8XX_TINT34_0,
- },
- {
- .base = DA8XX_TIMER64P1_BASE,
- .bottom_irq = IRQ_DA8XX_TINT12_1,
- .top_irq = IRQ_DA8XX_TINT34_1,
- },
- {
- .base = DA850_TIMER64P2_BASE,
- .bottom_irq = IRQ_DA850_TINT12_2,
- .top_irq = IRQ_DA850_TINT34_2,
- },
- {
- .base = DA850_TIMER64P3_BASE,
- .bottom_irq = IRQ_DA850_TINT12_3,
- .top_irq = IRQ_DA850_TINT34_3,
- },
-};
-
/*
- * T0_BOT: Timer 0, bottom : Used for clock_event
- * T0_TOP: Timer 0, top : Used for clocksource
- * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
+ * Bottom half of timer 0 is used for clock_event, top half for
+ * clocksource.
*/
-static struct davinci_timer_info da850_timer_info = {
- .timers = da850_timer_instance,
- .clockevent_id = T0_BOT,
- .clocksource_id = T0_TOP,
+static const struct davinci_timer_cfg da850_timer_cfg = {
+ .reg = DEFINE_RES_IO(DA8XX_TIMER64P0_BASE, SZ_4K),
+ .irq = {
+ DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0)),
+ DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0)),
+ },
};
#ifdef CONFIG_CPU_FREQ
@@ -658,8 +534,8 @@
static struct resource da850_vpif_display_resource[] = {
{
- .start = IRQ_DA850_VPIFINT,
- .end = IRQ_DA850_VPIFINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
.flags = IORESOURCE_IRQ,
},
};
@@ -677,13 +553,13 @@
static struct resource da850_vpif_capture_resource[] = {
{
- .start = IRQ_DA850_VPIFINT,
- .end = IRQ_DA850_VPIFINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DA850_VPIFINT,
- .end = IRQ_DA850_VPIFINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_DA850_VPIFINT),
.flags = IORESOURCE_IRQ,
},
};
@@ -719,7 +595,9 @@
}
static struct davinci_gpio_platform_data da850_gpio_platform_data = {
- .ngpio = 144,
+ .no_auto_base = true,
+ .base = 0,
+ .ngpio = 144,
};
int __init da850_register_gpio(void)
@@ -736,11 +614,6 @@
.pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
.pinmux_pins = da850_pins,
.pinmux_pins_num = ARRAY_SIZE(da850_pins),
- .intc_base = DA8XX_CP_INTC_BASE,
- .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
- .intc_irq_prios = da850_default_priorities,
- .intc_irq_num = DA850_N_CP_INTC_IRQ,
- .timer_info = &da850_timer_info,
.emac_pdata = &da8xx_emac_pdata,
.sram_dma = DA8XX_SHARED_RAM_BASE,
.sram_len = SZ_128K,
@@ -758,11 +631,26 @@
WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module");
}
+static const struct davinci_cp_intc_config da850_cp_intc_config = {
+ .reg = {
+ .start = DA8XX_CP_INTC_BASE,
+ .end = DA8XX_CP_INTC_BASE + SZ_8K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ .num_irqs = DA850_N_CP_INTC_IRQ,
+};
+
+void __init da850_init_irq(void)
+{
+ davinci_cp_intc_init(&da850_cp_intc_config);
+}
+
void __init da850_init_time(void)
{
void __iomem *pll0;
struct regmap *cfgchip;
struct clk *clk;
+ int rv;
clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA850_REF_FREQ);
@@ -772,8 +660,13 @@
da850_pll0_init(NULL, pll0, cfgchip);
clk = clk_get(NULL, "timer0");
+ if (WARN_ON(IS_ERR(clk))) {
+ pr_err("Unable to get the timer clock\n");
+ return;
+ }
- davinci_timer_init(clk);
+ rv = davinci_timer_register(clk, &da850_timer_cfg);
+ WARN(rv, "Unable to register the timer: %d\n", rv);
}
static struct resource da850_pll1_resources[] = {
--
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