From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/arch/arm/mach-davinci/dm646x.c | 115 ++++++++++++++++++++++++++++++++++-----------------------
1 files changed, 68 insertions(+), 47 deletions(-)
diff --git a/kernel/arch/arm/mach-davinci/dm646x.c b/kernel/arch/arm/mach-davinci/dm646x.c
index d9b93e2..4ffd028 100644
--- a/kernel/arch/arm/mach-davinci/dm646x.c
+++ b/kernel/arch/arm/mach-davinci/dm646x.c
@@ -1,5 +1,5 @@
/*
- * TI DaVinci DM644x chip specific setup
+ * TI DaVinci DM646x chip specific setup
*
* Author: Kevin Hilman, Deep Root Systems, LLC
*
@@ -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_device.h>
@@ -24,13 +26,14 @@
#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 DAVINCI_VPIF_BASE (0x01C12000)
@@ -62,23 +65,23 @@
.flags = IORESOURCE_MEM,
},
{
- .start = IRQ_DM646X_EMACRXTHINT,
- .end = IRQ_DM646X_EMACRXTHINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM646X_EMACRXINT,
- .end = IRQ_DM646X_EMACRXINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM646X_EMACTXINT,
- .end = IRQ_DM646X_EMACTXINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM646X_EMACMISCINT,
- .end = IRQ_DM646X_EMACMISCINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT),
.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 TC*_ERR */
@@ -315,12 +318,12 @@
},
{
.name = "tx",
- .start = IRQ_DM646X_MCASP0TXINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0TXINT),
.flags = IORESOURCE_IRQ,
},
{
.name = "rx",
- .start = IRQ_DM646X_MCASP0RXINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0RXINT),
.flags = IORESOURCE_IRQ,
},
};
@@ -341,7 +344,7 @@
},
{
.name = "tx",
- .start = IRQ_DM646X_MCASP1TXINT,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP1TXINT),
.flags = IORESOURCE_IRQ,
},
};
@@ -388,13 +391,13 @@
static struct resource vpif_display_resource[] = {
{
- .start = IRQ_DM646X_VP_VERTINT2,
- .end = IRQ_DM646X_VP_VERTINT2,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM646X_VP_VERTINT3,
- .end = IRQ_DM646X_VP_VERTINT3,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3),
.flags = IORESOURCE_IRQ,
},
};
@@ -412,13 +415,13 @@
static struct resource vpif_capture_resource[] = {
{
- .start = IRQ_DM646X_VP_VERTINT0,
- .end = IRQ_DM646X_VP_VERTINT0,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM646X_VP_VERTINT1,
- .end = IRQ_DM646X_VP_VERTINT1,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1),
.flags = IORESOURCE_IRQ,
},
};
@@ -441,23 +444,25 @@
.flags = IORESOURCE_MEM,
},
{ /* interrupt */
- .start = IRQ_DM646X_GPIOBNK0,
- .end = IRQ_DM646X_GPIOBNK0,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM646X_GPIOBNK1,
- .end = IRQ_DM646X_GPIOBNK1,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1),
.flags = IORESOURCE_IRQ,
},
{
- .start = IRQ_DM646X_GPIOBNK2,
- .end = IRQ_DM646X_GPIOBNK2,
+ .start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK2),
+ .end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK2),
.flags = IORESOURCE_IRQ,
},
};
static struct davinci_gpio_platform_data dm646x_gpio_platform_data = {
+ .no_auto_base = true,
+ .base = 0,
.ngpio = 43,
};
@@ -497,21 +502,21 @@
};
/*
- * 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 dm646x_timer_info = {
- .timers = davinci_timer_instance,
- .clockevent_id = T0_BOT,
- .clocksource_id = T0_TOP,
+static const struct davinci_timer_cfg dm646x_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 dm646x_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_MEM32,
@@ -524,7 +529,7 @@
static struct plat_serial8250_port dm646x_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_MEM32,
@@ -537,7 +542,7 @@
static struct plat_serial8250_port dm646x_serial2_platform_data[] = {
{
.mapbase = DAVINCI_UART2_BASE,
- .irq = IRQ_DM646X_UARTINT2,
+ .irq = DAVINCI_INTC_IRQ(IRQ_DM646X_UARTINT2),
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM32,
@@ -583,11 +588,6 @@
.pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
.pinmux_pins = dm646x_pins,
.pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
- .intc_base = DAVINCI_ARM_INTC_BASE,
- .intc_type = DAVINCI_INTC_TYPE_AINTC,
- .intc_irq_prios = dm646x_default_priorities,
- .intc_irq_num = DAVINCI_N_AINTC_IRQ,
- .timer_info = &dm646x_timer_info,
.emac_pdata = &dm646x_emac_pdata,
.sram_dma = 0x10010000,
.sram_len = SZ_32K,
@@ -652,6 +652,7 @@
{
void __iomem *pll1, *psc;
struct clk *clk;
+ int rv;
clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, ref_clk_rate);
clk_register_fixed_rate(NULL, "aux_clkin", NULL, 0, aux_clkin_rate);
@@ -663,8 +664,13 @@
dm646x_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, &dm646x_timer_cfg);
+ WARN(rv, "Unable to register the timer: %d\n", rv);
}
static struct resource dm646x_pll2_resources[] = {
@@ -688,6 +694,21 @@
platform_device_register(&dm646x_pll2_device);
}
+static const struct davinci_aintc_config dm646x_aintc_config = {
+ .reg = {
+ .start = DAVINCI_ARM_INTC_BASE,
+ .end = DAVINCI_ARM_INTC_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ .num_irqs = 64,
+ .prios = dm646x_default_priorities,
+};
+
+void __init dm646x_init_irq(void)
+{
+ davinci_aintc_init(&dm646x_aintc_config);
+}
+
static int __init dm646x_init_devices(void)
{
int ret = 0;
--
Gitblit v1.6.2