From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/arch/arm/mach-davinci/dm355.c | 109 ++++++++++++++++++++++++++++++++----------------------
1 files changed, 65 insertions(+), 44 deletions(-)
diff --git a/kernel/arch/arm/mach-davinci/dm355.c b/kernel/arch/arm/mach-davinci/dm355.c
index 2b0f5d9..5de72d2 100644
--- a/kernel/arch/arm/mach-davinci/dm355.c
+++ b/kernel/arch/arm/mach-davinci/dm355.c
@@ -15,6 +15,8 @@
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/irqchip/irq-davinci-aintc.h>
#include <linux/platform_data/edma.h>
#include <linux/platform_data/gpio-davinci.h>
#include <linux/platform_data/spi-davinci.h>
@@ -26,13 +28,14 @@
#include <mach/common.h>
#include <mach/cputype.h>
-#include <mach/irqs.h>
#include <mach/mux.h>
#include <mach/serial.h>
-#include <mach/time.h>
+
+#include <clocksource/timer-davinci.h>
#include "asp.h"
#include "davinci.h"
+#include "irqs.h"
#include "mux.h"
#define DM355_UART2_BASE (IO_PHYS + 0x206000)
@@ -53,7 +56,7 @@
.flags = IORESOURCE_MEM,
},
{
- .start = IRQ_DM355_SPINT0_0,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_SPINT0_0),
.flags = IORESOURCE_IRQ,
},
};
@@ -273,12 +276,12 @@
},
{
.name = "edma3_ccint",
- .start = IRQ_CCINT0,
+ .start = DAVINCI_INTC_IRQ(IRQ_CCINT0),
.flags = IORESOURCE_IRQ,
},
{
.name = "edma3_ccerrint",
- .start = IRQ_CCERRINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_CCERRINT),
.flags = IORESOURCE_IRQ,
},
/* not using (or muxing) TC*_ERR */
@@ -358,13 +361,13 @@
static struct resource vpfe_resources[] = {
{
- .start = IRQ_VDINT0,
- .end = IRQ_VDINT0,
+ .start = DAVINCI_INTC_IRQ(IRQ_VDINT0),
+ .end = DAVINCI_INTC_IRQ(IRQ_VDINT0),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_VDINT1,
- .end = IRQ_VDINT1,
+ .start = DAVINCI_INTC_IRQ(IRQ_VDINT1),
+ .end = DAVINCI_INTC_IRQ(IRQ_VDINT1),
.flags = IORESOURCE_IRQ,
},
};
@@ -422,8 +425,8 @@
static struct resource dm355_venc_resources[] = {
{
- .start = IRQ_VENCINT,
- .end = IRQ_VENCINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_VENCINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_VENCINT),
.flags = IORESOURCE_IRQ,
},
/* venc registers io space */
@@ -442,8 +445,8 @@
static struct resource dm355_v4l2_disp_resources[] = {
{
- .start = IRQ_VENCINT,
- .end = IRQ_VENCINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_VENCINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_VENCINT),
.flags = IORESOURCE_IRQ,
},
/* venc registers io space */
@@ -547,43 +550,45 @@
.flags = IORESOURCE_MEM,
},
{ /* interrupt */
- .start = IRQ_DM355_GPIOBNK0,
- .end = IRQ_DM355_GPIOBNK0,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK0),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK0),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM355_GPIOBNK1,
- .end = IRQ_DM355_GPIOBNK1,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK1),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK1),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM355_GPIOBNK2,
- .end = IRQ_DM355_GPIOBNK2,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK2),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK2),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM355_GPIOBNK3,
- .end = IRQ_DM355_GPIOBNK3,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK3),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK3),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM355_GPIOBNK4,
- .end = IRQ_DM355_GPIOBNK4,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK4),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK4),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM355_GPIOBNK5,
- .end = IRQ_DM355_GPIOBNK5,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK5),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK5),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM355_GPIOBNK6,
- .end = IRQ_DM355_GPIOBNK6,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK6),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK6),
.flags = IORESOURCE_IRQ,
},
};
static struct davinci_gpio_platform_data dm355_gpio_platform_data = {
+ .no_auto_base = true,
+ .base = 0,
.ngpio = 104,
};
@@ -616,21 +621,21 @@
};
/*
- * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
- * T0_TOP: Timer 0, top : clocksource for generic timekeeping
- * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
- * T1_TOP: Timer 1, top : <unused>
+ * Bottom half of timer0 is used for clockevent, top half is used for
+ * clocksource.
*/
-static struct davinci_timer_info dm355_timer_info = {
- .timers = davinci_timer_instance,
- .clockevent_id = T0_BOT,
- .clocksource_id = T0_TOP,
+static const struct davinci_timer_cfg dm355_timer_cfg = {
+ .reg = DEFINE_RES_IO(DAVINCI_TIMER0_BASE, SZ_4K),
+ .irq = {
+ DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT12)),
+ DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_TINT0_TINT34)),
+ },
};
static struct plat_serial8250_port dm355_serial0_platform_data[] = {
{
.mapbase = DAVINCI_UART0_BASE,
- .irq = IRQ_UARTINT0,
+ .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT0),
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
@@ -643,7 +648,7 @@
static struct plat_serial8250_port dm355_serial1_platform_data[] = {
{
.mapbase = DAVINCI_UART1_BASE,
- .irq = IRQ_UARTINT1,
+ .irq = DAVINCI_INTC_IRQ(IRQ_UARTINT1),
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
@@ -656,7 +661,7 @@
static struct plat_serial8250_port dm355_serial2_platform_data[] = {
{
.mapbase = DM355_UART2_BASE,
- .irq = IRQ_DM355_UARTINT2,
+ .irq = DAVINCI_INTC_IRQ(IRQ_DM355_UARTINT2),
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
@@ -702,11 +707,6 @@
.pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
.pinmux_pins = dm355_pins,
.pinmux_pins_num = ARRAY_SIZE(dm355_pins),
- .intc_base = DAVINCI_ARM_INTC_BASE,
- .intc_type = DAVINCI_INTC_TYPE_AINTC,
- .intc_irq_prios = dm355_default_priorities,
- .intc_irq_num = DAVINCI_N_AINTC_IRQ,
- .timer_info = &dm355_timer_info,
.sram_dma = 0x00010000,
.sram_len = SZ_32K,
};
@@ -733,6 +733,7 @@
{
void __iomem *pll1, *psc;
struct clk *clk;
+ int rv;
clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM355_REF_FREQ);
@@ -743,8 +744,13 @@
dm355_psc_init(NULL, psc);
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, &dm355_timer_cfg);
+ WARN(rv, "Unable to register the timer: %d\n", rv);
}
static struct resource dm355_pll2_resources[] = {
@@ -791,6 +797,21 @@
return 0;
}
+static const struct davinci_aintc_config dm355_aintc_config = {
+ .reg = {
+ .start = DAVINCI_ARM_INTC_BASE,
+ .end = DAVINCI_ARM_INTC_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ .num_irqs = 64,
+ .prios = dm355_default_priorities,
+};
+
+void __init dm355_init_irq(void)
+{
+ davinci_aintc_init(&dm355_aintc_config);
+}
+
static int __init dm355_init_devices(void)
{
struct platform_device *edma_pdev;
--
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