mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 07:16:21 +09:00
93eae12c9f
The driver is dedicated to DM646x. So update the description in the top most comment accordingly. It must have been derived from dm644x.c, but looks DM646 speecific now. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Sekhar Nori <nsekhar@ti.com>
729 lines
18 KiB
C
729 lines
18 KiB
C
/*
|
|
* TI DaVinci DM646x chip specific setup
|
|
*
|
|
* Author: Kevin Hilman, Deep Root Systems, LLC
|
|
*
|
|
* 2007 (c) Deep Root Systems, LLC. This file is licensed under
|
|
* the terms of the GNU General Public License version 2. This program
|
|
* is licensed "as is" without any warranty of any kind, whether express
|
|
* or implied.
|
|
*/
|
|
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/clk/davinci.h>
|
|
#include <linux/clkdev.h>
|
|
#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>
|
|
#include <linux/serial_8250.h>
|
|
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/common.h>
|
|
#include <mach/cputype.h>
|
|
#include <mach/mux.h>
|
|
#include <mach/serial.h>
|
|
|
|
#include <clocksource/timer-davinci.h>
|
|
|
|
#include "asp.h"
|
|
#include "davinci.h"
|
|
#include "irqs.h"
|
|
#include "mux.h"
|
|
|
|
#define DAVINCI_VPIF_BASE (0x01C12000)
|
|
|
|
#define VDD3P3V_VID_MASK (BIT_MASK(3) | BIT_MASK(2) | BIT_MASK(1) |\
|
|
BIT_MASK(0))
|
|
#define VSCLKDIS_MASK (BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
|
|
BIT_MASK(8))
|
|
|
|
#define DM646X_EMAC_BASE 0x01c80000
|
|
#define DM646X_EMAC_MDIO_BASE (DM646X_EMAC_BASE + 0x4000)
|
|
#define DM646X_EMAC_CNTRL_OFFSET 0x0000
|
|
#define DM646X_EMAC_CNTRL_MOD_OFFSET 0x1000
|
|
#define DM646X_EMAC_CNTRL_RAM_OFFSET 0x2000
|
|
#define DM646X_EMAC_CNTRL_RAM_SIZE 0x2000
|
|
|
|
static struct emac_platform_data dm646x_emac_pdata = {
|
|
.ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET,
|
|
.ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET,
|
|
.ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET,
|
|
.ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE,
|
|
.version = EMAC_VERSION_2,
|
|
};
|
|
|
|
static struct resource dm646x_emac_resources[] = {
|
|
{
|
|
.start = DM646X_EMAC_BASE,
|
|
.end = DM646X_EMAC_BASE + SZ_16K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXTHINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACRXINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACTXINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_EMACMISCINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device dm646x_emac_device = {
|
|
.name = "davinci_emac",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &dm646x_emac_pdata,
|
|
},
|
|
.num_resources = ARRAY_SIZE(dm646x_emac_resources),
|
|
.resource = dm646x_emac_resources,
|
|
};
|
|
|
|
static struct resource dm646x_mdio_resources[] = {
|
|
{
|
|
.start = DM646X_EMAC_MDIO_BASE,
|
|
.end = DM646X_EMAC_MDIO_BASE + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device dm646x_mdio_device = {
|
|
.name = "davinci_mdio",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(dm646x_mdio_resources),
|
|
.resource = dm646x_mdio_resources,
|
|
};
|
|
|
|
/*
|
|
* Device specific mux setup
|
|
*
|
|
* soc description mux mode mode mux dbg
|
|
* reg offset mask mode
|
|
*/
|
|
static const struct mux_config dm646x_pins[] = {
|
|
#ifdef CONFIG_DAVINCI_MUX
|
|
MUX_CFG(DM646X, ATAEN, 0, 0, 5, 1, true)
|
|
|
|
MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
|
|
|
|
MUX_CFG(DM646X, AUDCK0, 0, 28, 1, 0, false)
|
|
|
|
MUX_CFG(DM646X, CRGMUX, 0, 24, 7, 5, true)
|
|
|
|
MUX_CFG(DM646X, STSOMUX_DISABLE, 0, 22, 3, 0, true)
|
|
|
|
MUX_CFG(DM646X, STSIMUX_DISABLE, 0, 20, 3, 0, true)
|
|
|
|
MUX_CFG(DM646X, PTSOMUX_DISABLE, 0, 18, 3, 0, true)
|
|
|
|
MUX_CFG(DM646X, PTSIMUX_DISABLE, 0, 16, 3, 0, true)
|
|
|
|
MUX_CFG(DM646X, STSOMUX, 0, 22, 3, 2, true)
|
|
|
|
MUX_CFG(DM646X, STSIMUX, 0, 20, 3, 2, true)
|
|
|
|
MUX_CFG(DM646X, PTSOMUX_PARALLEL, 0, 18, 3, 2, true)
|
|
|
|
MUX_CFG(DM646X, PTSIMUX_PARALLEL, 0, 16, 3, 2, true)
|
|
|
|
MUX_CFG(DM646X, PTSOMUX_SERIAL, 0, 18, 3, 3, true)
|
|
|
|
MUX_CFG(DM646X, PTSIMUX_SERIAL, 0, 16, 3, 3, true)
|
|
#endif
|
|
};
|
|
|
|
static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
|
|
[IRQ_DM646X_VP_VERTINT0] = 7,
|
|
[IRQ_DM646X_VP_VERTINT1] = 7,
|
|
[IRQ_DM646X_VP_VERTINT2] = 7,
|
|
[IRQ_DM646X_VP_VERTINT3] = 7,
|
|
[IRQ_DM646X_VP_ERRINT] = 7,
|
|
[IRQ_DM646X_RESERVED_1] = 7,
|
|
[IRQ_DM646X_RESERVED_2] = 7,
|
|
[IRQ_DM646X_WDINT] = 7,
|
|
[IRQ_DM646X_CRGENINT0] = 7,
|
|
[IRQ_DM646X_CRGENINT1] = 7,
|
|
[IRQ_DM646X_TSIFINT0] = 7,
|
|
[IRQ_DM646X_TSIFINT1] = 7,
|
|
[IRQ_DM646X_VDCEINT] = 7,
|
|
[IRQ_DM646X_USBINT] = 7,
|
|
[IRQ_DM646X_USBDMAINT] = 7,
|
|
[IRQ_DM646X_PCIINT] = 7,
|
|
[IRQ_CCINT0] = 7, /* dma */
|
|
[IRQ_CCERRINT] = 7, /* dma */
|
|
[IRQ_TCERRINT0] = 7, /* dma */
|
|
[IRQ_TCERRINT] = 7, /* dma */
|
|
[IRQ_DM646X_TCERRINT2] = 7,
|
|
[IRQ_DM646X_TCERRINT3] = 7,
|
|
[IRQ_DM646X_IDE] = 7,
|
|
[IRQ_DM646X_HPIINT] = 7,
|
|
[IRQ_DM646X_EMACRXTHINT] = 7,
|
|
[IRQ_DM646X_EMACRXINT] = 7,
|
|
[IRQ_DM646X_EMACTXINT] = 7,
|
|
[IRQ_DM646X_EMACMISCINT] = 7,
|
|
[IRQ_DM646X_MCASP0TXINT] = 7,
|
|
[IRQ_DM646X_MCASP0RXINT] = 7,
|
|
[IRQ_DM646X_RESERVED_3] = 7,
|
|
[IRQ_DM646X_MCASP1TXINT] = 7,
|
|
[IRQ_TINT0_TINT12] = 7, /* clockevent */
|
|
[IRQ_TINT0_TINT34] = 7, /* clocksource */
|
|
[IRQ_TINT1_TINT12] = 7, /* DSP timer */
|
|
[IRQ_TINT1_TINT34] = 7, /* system tick */
|
|
[IRQ_PWMINT0] = 7,
|
|
[IRQ_PWMINT1] = 7,
|
|
[IRQ_DM646X_VLQINT] = 7,
|
|
[IRQ_I2C] = 7,
|
|
[IRQ_UARTINT0] = 7,
|
|
[IRQ_UARTINT1] = 7,
|
|
[IRQ_DM646X_UARTINT2] = 7,
|
|
[IRQ_DM646X_SPINT0] = 7,
|
|
[IRQ_DM646X_SPINT1] = 7,
|
|
[IRQ_DM646X_DSP2ARMINT] = 7,
|
|
[IRQ_DM646X_RESERVED_4] = 7,
|
|
[IRQ_DM646X_PSCINT] = 7,
|
|
[IRQ_DM646X_GPIO0] = 7,
|
|
[IRQ_DM646X_GPIO1] = 7,
|
|
[IRQ_DM646X_GPIO2] = 7,
|
|
[IRQ_DM646X_GPIO3] = 7,
|
|
[IRQ_DM646X_GPIO4] = 7,
|
|
[IRQ_DM646X_GPIO5] = 7,
|
|
[IRQ_DM646X_GPIO6] = 7,
|
|
[IRQ_DM646X_GPIO7] = 7,
|
|
[IRQ_DM646X_GPIOBNK0] = 7,
|
|
[IRQ_DM646X_GPIOBNK1] = 7,
|
|
[IRQ_DM646X_GPIOBNK2] = 7,
|
|
[IRQ_DM646X_DDRINT] = 7,
|
|
[IRQ_DM646X_AEMIFINT] = 7,
|
|
[IRQ_COMMTX] = 7,
|
|
[IRQ_COMMRX] = 7,
|
|
[IRQ_EMUINT] = 7,
|
|
};
|
|
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
/* Four Transfer Controllers on DM646x */
|
|
static s8 dm646x_queue_priority_mapping[][2] = {
|
|
/* {event queue no, Priority} */
|
|
{0, 4},
|
|
{1, 0},
|
|
{2, 5},
|
|
{3, 1},
|
|
{-1, -1},
|
|
};
|
|
|
|
static const struct dma_slave_map dm646x_edma_map[] = {
|
|
{ "davinci-mcasp.0", "tx", EDMA_FILTER_PARAM(0, 6) },
|
|
{ "davinci-mcasp.0", "rx", EDMA_FILTER_PARAM(0, 9) },
|
|
{ "davinci-mcasp.1", "tx", EDMA_FILTER_PARAM(0, 12) },
|
|
{ "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
|
|
{ "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
|
|
};
|
|
|
|
static struct edma_soc_info dm646x_edma_pdata = {
|
|
.queue_priority_mapping = dm646x_queue_priority_mapping,
|
|
.default_queue = EVENTQ_1,
|
|
.slave_map = dm646x_edma_map,
|
|
.slavecnt = ARRAY_SIZE(dm646x_edma_map),
|
|
};
|
|
|
|
static struct resource edma_resources[] = {
|
|
{
|
|
.name = "edma3_cc",
|
|
.start = 0x01c00000,
|
|
.end = 0x01c00000 + SZ_64K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.name = "edma3_tc0",
|
|
.start = 0x01c10000,
|
|
.end = 0x01c10000 + SZ_1K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.name = "edma3_tc1",
|
|
.start = 0x01c10400,
|
|
.end = 0x01c10400 + SZ_1K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.name = "edma3_tc2",
|
|
.start = 0x01c10800,
|
|
.end = 0x01c10800 + SZ_1K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.name = "edma3_tc3",
|
|
.start = 0x01c10c00,
|
|
.end = 0x01c10c00 + SZ_1K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.name = "edma3_ccint",
|
|
.start = DAVINCI_INTC_IRQ(IRQ_CCINT0),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.name = "edma3_ccerrint",
|
|
.start = DAVINCI_INTC_IRQ(IRQ_CCERRINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
/* not using TC*_ERR */
|
|
};
|
|
|
|
static const struct platform_device_info dm646x_edma_device __initconst = {
|
|
.name = "edma",
|
|
.id = 0,
|
|
.dma_mask = DMA_BIT_MASK(32),
|
|
.res = edma_resources,
|
|
.num_res = ARRAY_SIZE(edma_resources),
|
|
.data = &dm646x_edma_pdata,
|
|
.size_data = sizeof(dm646x_edma_pdata),
|
|
};
|
|
|
|
static struct resource dm646x_mcasp0_resources[] = {
|
|
{
|
|
.name = "mpu",
|
|
.start = DAVINCI_DM646X_MCASP0_REG_BASE,
|
|
.end = DAVINCI_DM646X_MCASP0_REG_BASE + (SZ_1K << 1) - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.name = "tx",
|
|
.start = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
|
|
.end = DAVINCI_DM646X_DMA_MCASP0_AXEVT0,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
{
|
|
.name = "rx",
|
|
.start = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
|
|
.end = DAVINCI_DM646X_DMA_MCASP0_AREVT0,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
{
|
|
.name = "tx",
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0TXINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.name = "rx",
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP0RXINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
/* DIT mode only, rx is not supported */
|
|
static struct resource dm646x_mcasp1_resources[] = {
|
|
{
|
|
.name = "mpu",
|
|
.start = DAVINCI_DM646X_MCASP1_REG_BASE,
|
|
.end = DAVINCI_DM646X_MCASP1_REG_BASE + (SZ_1K << 1) - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.name = "tx",
|
|
.start = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
|
|
.end = DAVINCI_DM646X_DMA_MCASP1_AXEVT1,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
{
|
|
.name = "tx",
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_MCASP1TXINT),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device dm646x_mcasp0_device = {
|
|
.name = "davinci-mcasp",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(dm646x_mcasp0_resources),
|
|
.resource = dm646x_mcasp0_resources,
|
|
};
|
|
|
|
static struct platform_device dm646x_mcasp1_device = {
|
|
.name = "davinci-mcasp",
|
|
.id = 1,
|
|
.num_resources = ARRAY_SIZE(dm646x_mcasp1_resources),
|
|
.resource = dm646x_mcasp1_resources,
|
|
};
|
|
|
|
static struct platform_device dm646x_dit_device = {
|
|
.name = "spdif-dit",
|
|
.id = -1,
|
|
};
|
|
|
|
static u64 vpif_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
static struct resource vpif_resource[] = {
|
|
{
|
|
.start = DAVINCI_VPIF_BASE,
|
|
.end = DAVINCI_VPIF_BASE + 0x03ff,
|
|
.flags = IORESOURCE_MEM,
|
|
}
|
|
};
|
|
|
|
static struct platform_device vpif_dev = {
|
|
.name = "vpif",
|
|
.id = -1,
|
|
.dev = {
|
|
.dma_mask = &vpif_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = vpif_resource,
|
|
.num_resources = ARRAY_SIZE(vpif_resource),
|
|
};
|
|
|
|
static struct resource vpif_display_resource[] = {
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT2),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT3),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device vpif_display_dev = {
|
|
.name = "vpif_display",
|
|
.id = -1,
|
|
.dev = {
|
|
.dma_mask = &vpif_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = vpif_display_resource,
|
|
.num_resources = ARRAY_SIZE(vpif_display_resource),
|
|
};
|
|
|
|
static struct resource vpif_capture_resource[] = {
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT0),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_VP_VERTINT1),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device vpif_capture_dev = {
|
|
.name = "vpif_capture",
|
|
.id = -1,
|
|
.dev = {
|
|
.dma_mask = &vpif_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = vpif_capture_resource,
|
|
.num_resources = ARRAY_SIZE(vpif_capture_resource),
|
|
};
|
|
|
|
static struct resource dm646x_gpio_resources[] = {
|
|
{ /* registers */
|
|
.start = DAVINCI_GPIO_BASE,
|
|
.end = DAVINCI_GPIO_BASE + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{ /* interrupt */
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK0),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1),
|
|
.end = DAVINCI_INTC_IRQ(IRQ_DM646X_GPIOBNK1),
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.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,
|
|
};
|
|
|
|
int __init dm646x_gpio_register(void)
|
|
{
|
|
return davinci_gpio_register(dm646x_gpio_resources,
|
|
ARRAY_SIZE(dm646x_gpio_resources),
|
|
&dm646x_gpio_platform_data);
|
|
}
|
|
/*----------------------------------------------------------------------*/
|
|
|
|
static struct map_desc dm646x_io_desc[] = {
|
|
{
|
|
.virtual = IO_VIRT,
|
|
.pfn = __phys_to_pfn(IO_PHYS),
|
|
.length = IO_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
};
|
|
|
|
/* Contents of JTAG ID register used to identify exact cpu type */
|
|
static struct davinci_id dm646x_ids[] = {
|
|
{
|
|
.variant = 0x0,
|
|
.part_no = 0xb770,
|
|
.manufacturer = 0x017,
|
|
.cpu_id = DAVINCI_CPU_ID_DM6467,
|
|
.name = "dm6467_rev1.x",
|
|
},
|
|
{
|
|
.variant = 0x1,
|
|
.part_no = 0xb770,
|
|
.manufacturer = 0x017,
|
|
.cpu_id = DAVINCI_CPU_ID_DM6467,
|
|
.name = "dm6467_rev3.x",
|
|
},
|
|
};
|
|
|
|
/*
|
|
* Bottom half of timer0 is used for clockevent, top half is used for
|
|
* clocksource.
|
|
*/
|
|
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 = DAVINCI_INTC_IRQ(IRQ_UARTINT0),
|
|
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
|
|
UPF_IOREMAP,
|
|
.iotype = UPIO_MEM32,
|
|
.regshift = 2,
|
|
},
|
|
{
|
|
.flags = 0,
|
|
}
|
|
};
|
|
static struct plat_serial8250_port dm646x_serial1_platform_data[] = {
|
|
{
|
|
.mapbase = DAVINCI_UART1_BASE,
|
|
.irq = DAVINCI_INTC_IRQ(IRQ_UARTINT1),
|
|
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
|
|
UPF_IOREMAP,
|
|
.iotype = UPIO_MEM32,
|
|
.regshift = 2,
|
|
},
|
|
{
|
|
.flags = 0,
|
|
}
|
|
};
|
|
static struct plat_serial8250_port dm646x_serial2_platform_data[] = {
|
|
{
|
|
.mapbase = DAVINCI_UART2_BASE,
|
|
.irq = DAVINCI_INTC_IRQ(IRQ_DM646X_UARTINT2),
|
|
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
|
|
UPF_IOREMAP,
|
|
.iotype = UPIO_MEM32,
|
|
.regshift = 2,
|
|
},
|
|
{
|
|
.flags = 0,
|
|
}
|
|
};
|
|
|
|
struct platform_device dm646x_serial_device[] = {
|
|
{
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_PLATFORM,
|
|
.dev = {
|
|
.platform_data = dm646x_serial0_platform_data,
|
|
}
|
|
},
|
|
{
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_PLATFORM1,
|
|
.dev = {
|
|
.platform_data = dm646x_serial1_platform_data,
|
|
}
|
|
},
|
|
{
|
|
.name = "serial8250",
|
|
.id = PLAT8250_DEV_PLATFORM2,
|
|
.dev = {
|
|
.platform_data = dm646x_serial2_platform_data,
|
|
}
|
|
},
|
|
{
|
|
}
|
|
};
|
|
|
|
static const struct davinci_soc_info davinci_soc_info_dm646x = {
|
|
.io_desc = dm646x_io_desc,
|
|
.io_desc_num = ARRAY_SIZE(dm646x_io_desc),
|
|
.jtag_id_reg = 0x01c40028,
|
|
.ids = dm646x_ids,
|
|
.ids_num = ARRAY_SIZE(dm646x_ids),
|
|
.pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
|
|
.pinmux_pins = dm646x_pins,
|
|
.pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
|
|
.emac_pdata = &dm646x_emac_pdata,
|
|
.sram_dma = 0x10010000,
|
|
.sram_len = SZ_32K,
|
|
};
|
|
|
|
void __init dm646x_init_mcasp0(struct snd_platform_data *pdata)
|
|
{
|
|
dm646x_mcasp0_device.dev.platform_data = pdata;
|
|
platform_device_register(&dm646x_mcasp0_device);
|
|
}
|
|
|
|
void __init dm646x_init_mcasp1(struct snd_platform_data *pdata)
|
|
{
|
|
dm646x_mcasp1_device.dev.platform_data = pdata;
|
|
platform_device_register(&dm646x_mcasp1_device);
|
|
platform_device_register(&dm646x_dit_device);
|
|
}
|
|
|
|
void dm646x_setup_vpif(struct vpif_display_config *display_config,
|
|
struct vpif_capture_config *capture_config)
|
|
{
|
|
unsigned int value;
|
|
|
|
value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
|
|
value &= ~VSCLKDIS_MASK;
|
|
__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VSCLKDIS));
|
|
|
|
value = __raw_readl(DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
|
|
value &= ~VDD3P3V_VID_MASK;
|
|
__raw_writel(value, DAVINCI_SYSMOD_VIRT(SYSMOD_VDD3P3VPWDN));
|
|
|
|
davinci_cfg_reg(DM646X_STSOMUX_DISABLE);
|
|
davinci_cfg_reg(DM646X_STSIMUX_DISABLE);
|
|
davinci_cfg_reg(DM646X_PTSOMUX_DISABLE);
|
|
davinci_cfg_reg(DM646X_PTSIMUX_DISABLE);
|
|
|
|
vpif_display_dev.dev.platform_data = display_config;
|
|
vpif_capture_dev.dev.platform_data = capture_config;
|
|
platform_device_register(&vpif_dev);
|
|
platform_device_register(&vpif_display_dev);
|
|
platform_device_register(&vpif_capture_dev);
|
|
}
|
|
|
|
int __init dm646x_init_edma(struct edma_rsv_info *rsv)
|
|
{
|
|
struct platform_device *edma_pdev;
|
|
|
|
dm646x_edma_pdata.rsv = rsv;
|
|
|
|
edma_pdev = platform_device_register_full(&dm646x_edma_device);
|
|
return PTR_ERR_OR_ZERO(edma_pdev);
|
|
}
|
|
|
|
void __init dm646x_init(void)
|
|
{
|
|
davinci_common_init(&davinci_soc_info_dm646x);
|
|
davinci_map_sysmod();
|
|
}
|
|
|
|
void __init dm646x_init_time(unsigned long ref_clk_rate,
|
|
unsigned long aux_clkin_rate)
|
|
{
|
|
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);
|
|
|
|
pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
|
|
dm646x_pll1_init(NULL, pll1, NULL);
|
|
|
|
psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
|
|
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;
|
|
}
|
|
|
|
rv = davinci_timer_register(clk, &dm646x_timer_cfg);
|
|
WARN(rv, "Unable to register the timer: %d\n", rv);
|
|
}
|
|
|
|
static struct resource dm646x_pll2_resources[] = {
|
|
{
|
|
.start = DAVINCI_PLL2_BASE,
|
|
.end = DAVINCI_PLL2_BASE + SZ_1K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device dm646x_pll2_device = {
|
|
.name = "dm646x-pll2",
|
|
.id = -1,
|
|
.resource = dm646x_pll2_resources,
|
|
.num_resources = ARRAY_SIZE(dm646x_pll2_resources),
|
|
};
|
|
|
|
void __init dm646x_register_clocks(void)
|
|
{
|
|
/* PLL1 and PSC are registered in dm646x_init_time() */
|
|
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;
|
|
|
|
if (!cpu_is_davinci_dm646x())
|
|
return 0;
|
|
|
|
platform_device_register(&dm646x_mdio_device);
|
|
platform_device_register(&dm646x_emac_device);
|
|
|
|
ret = davinci_init_wdt();
|
|
if (ret)
|
|
pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
postcore_initcall(dm646x_init_devices);
|