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tegrakernel/kernel/kernel-4.9/arch/arm/mach-davinci/dm355.c

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/*
* TI DaVinci DM355 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/init.h>
#include <linux/clk.h>
#include <linux/serial_8250.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/spi/spi.h>
#include <linux/platform_data/edma.h>
#include <linux/platform_data/gpio-davinci.h>
#include <linux/platform_data/spi-davinci.h>
#include <asm/mach/map.h>
#include <mach/cputype.h>
#include "psc.h"
#include <mach/mux.h>
#include <mach/irqs.h>
#include <mach/time.h>
#include <mach/serial.h>
#include <mach/common.h>
#include "davinci.h"
#include "clock.h"
#include "mux.h"
#include "asp.h"
#define DM355_UART2_BASE (IO_PHYS + 0x206000)
#define DM355_OSD_BASE (IO_PHYS + 0x70200)
#define DM355_VENC_BASE (IO_PHYS + 0x70400)
/*
* Device specific clocks
*/
#define DM355_REF_FREQ 24000000 /* 24 or 36 MHz */
static struct pll_data pll1_data = {
.num = 1,
.phys_base = DAVINCI_PLL1_BASE,
.flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
};
static struct pll_data pll2_data = {
.num = 2,
.phys_base = DAVINCI_PLL2_BASE,
.flags = PLL_HAS_PREDIV,
};
static struct clk ref_clk = {
.name = "ref_clk",
/* FIXME -- crystal rate is board-specific */
.rate = DM355_REF_FREQ,
};
static struct clk pll1_clk = {
.name = "pll1",
.parent = &ref_clk,
.flags = CLK_PLL,
.pll_data = &pll1_data,
};
static struct clk pll1_aux_clk = {
.name = "pll1_aux_clk",
.parent = &pll1_clk,
.flags = CLK_PLL | PRE_PLL,
};
static struct clk pll1_sysclk1 = {
.name = "pll1_sysclk1",
.parent = &pll1_clk,
.flags = CLK_PLL,
.div_reg = PLLDIV1,
};
static struct clk pll1_sysclk2 = {
.name = "pll1_sysclk2",
.parent = &pll1_clk,
.flags = CLK_PLL,
.div_reg = PLLDIV2,
};
static struct clk pll1_sysclk3 = {
.name = "pll1_sysclk3",
.parent = &pll1_clk,
.flags = CLK_PLL,
.div_reg = PLLDIV3,
};
static struct clk pll1_sysclk4 = {
.name = "pll1_sysclk4",
.parent = &pll1_clk,
.flags = CLK_PLL,
.div_reg = PLLDIV4,
};
static struct clk pll1_sysclkbp = {
.name = "pll1_sysclkbp",
.parent = &pll1_clk,
.flags = CLK_PLL | PRE_PLL,
.div_reg = BPDIV
};
static struct clk vpss_dac_clk = {
.name = "vpss_dac",
.parent = &pll1_sysclk3,
.lpsc = DM355_LPSC_VPSS_DAC,
};
static struct clk vpss_master_clk = {
.name = "vpss_master",
.parent = &pll1_sysclk4,
.lpsc = DAVINCI_LPSC_VPSSMSTR,
.flags = CLK_PSC,
};
static struct clk vpss_slave_clk = {
.name = "vpss_slave",
.parent = &pll1_sysclk4,
.lpsc = DAVINCI_LPSC_VPSSSLV,
};
static struct clk clkout1_clk = {
.name = "clkout1",
.parent = &pll1_aux_clk,
/* NOTE: clkout1 can be externally gated by muxing GPIO-18 */
};
static struct clk clkout2_clk = {
.name = "clkout2",
.parent = &pll1_sysclkbp,
};
static struct clk pll2_clk = {
.name = "pll2",
.parent = &ref_clk,
.flags = CLK_PLL,
.pll_data = &pll2_data,
};
static struct clk pll2_sysclk1 = {
.name = "pll2_sysclk1",
.parent = &pll2_clk,
.flags = CLK_PLL,
.div_reg = PLLDIV1,
};
static struct clk pll2_sysclkbp = {
.name = "pll2_sysclkbp",
.parent = &pll2_clk,
.flags = CLK_PLL | PRE_PLL,
.div_reg = BPDIV
};
static struct clk clkout3_clk = {
.name = "clkout3",
.parent = &pll2_sysclkbp,
/* NOTE: clkout3 can be externally gated by muxing GPIO-16 */
};
static struct clk arm_clk = {
.name = "arm_clk",
.parent = &pll1_sysclk1,
.lpsc = DAVINCI_LPSC_ARM,
.flags = ALWAYS_ENABLED,
};
/*
* NOT LISTED below, and not touched by Linux
* - in SyncReset state by default
* .lpsc = DAVINCI_LPSC_TPCC,
* .lpsc = DAVINCI_LPSC_TPTC0,
* .lpsc = DAVINCI_LPSC_TPTC1,
* .lpsc = DAVINCI_LPSC_DDR_EMIF, .parent = &sysclk2_clk,
* .lpsc = DAVINCI_LPSC_MEMSTICK,
* - in Enabled state by default
* .lpsc = DAVINCI_LPSC_SYSTEM_SUBSYS,
* .lpsc = DAVINCI_LPSC_SCR2, // "bus"
* .lpsc = DAVINCI_LPSC_SCR3, // "bus"
* .lpsc = DAVINCI_LPSC_SCR4, // "bus"
* .lpsc = DAVINCI_LPSC_CROSSBAR, // "emulation"
* .lpsc = DAVINCI_LPSC_CFG27, // "test"
* .lpsc = DAVINCI_LPSC_CFG3, // "test"
* .lpsc = DAVINCI_LPSC_CFG5, // "test"
*/
static struct clk mjcp_clk = {
.name = "mjcp",
.parent = &pll1_sysclk1,
.lpsc = DAVINCI_LPSC_IMCOP,
};
static struct clk uart0_clk = {
.name = "uart0",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_UART0,
};
static struct clk uart1_clk = {
.name = "uart1",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_UART1,
};
static struct clk uart2_clk = {
.name = "uart2",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_UART2,
};
static struct clk i2c_clk = {
.name = "i2c",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_I2C,
};
static struct clk asp0_clk = {
.name = "asp0",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_McBSP,
};
static struct clk asp1_clk = {
.name = "asp1",
.parent = &pll1_sysclk2,
.lpsc = DM355_LPSC_McBSP1,
};
static struct clk mmcsd0_clk = {
.name = "mmcsd0",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_MMC_SD,
};
static struct clk mmcsd1_clk = {
.name = "mmcsd1",
.parent = &pll1_sysclk2,
.lpsc = DM355_LPSC_MMC_SD1,
};
static struct clk spi0_clk = {
.name = "spi0",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_SPI,
};
static struct clk spi1_clk = {
.name = "spi1",
.parent = &pll1_sysclk2,
.lpsc = DM355_LPSC_SPI1,
};
static struct clk spi2_clk = {
.name = "spi2",
.parent = &pll1_sysclk2,
.lpsc = DM355_LPSC_SPI2,
};
static struct clk gpio_clk = {
.name = "gpio",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_GPIO,
};
static struct clk aemif_clk = {
.name = "aemif",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_AEMIF,
};
static struct clk pwm0_clk = {
.name = "pwm0",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_PWM0,
};
static struct clk pwm1_clk = {
.name = "pwm1",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_PWM1,
};
static struct clk pwm2_clk = {
.name = "pwm2",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_PWM2,
};
static struct clk pwm3_clk = {
.name = "pwm3",
.parent = &pll1_aux_clk,
.lpsc = DM355_LPSC_PWM3,
};
static struct clk timer0_clk = {
.name = "timer0",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_TIMER0,
};
static struct clk timer1_clk = {
.name = "timer1",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_TIMER1,
};
static struct clk timer2_clk = {
.name = "timer2",
.parent = &pll1_aux_clk,
.lpsc = DAVINCI_LPSC_TIMER2,
.usecount = 1, /* REVISIT: why can't this be disabled? */
};
static struct clk timer3_clk = {
.name = "timer3",
.parent = &pll1_aux_clk,
.lpsc = DM355_LPSC_TIMER3,
};
static struct clk rto_clk = {
.name = "rto",
.parent = &pll1_aux_clk,
.lpsc = DM355_LPSC_RTO,
};
static struct clk usb_clk = {
.name = "usb",
.parent = &pll1_sysclk2,
.lpsc = DAVINCI_LPSC_USB,
};
static struct clk_lookup dm355_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll1", &pll1_clk),
CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
CLK(NULL, "pll1_aux", &pll1_aux_clk),
CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
CLK(NULL, "vpss_dac", &vpss_dac_clk),
CLK("vpss", "master", &vpss_master_clk),
CLK("vpss", "slave", &vpss_slave_clk),
CLK(NULL, "clkout1", &clkout1_clk),
CLK(NULL, "clkout2", &clkout2_clk),
CLK(NULL, "pll2", &pll2_clk),
CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
CLK(NULL, "clkout3", &clkout3_clk),
CLK(NULL, "arm", &arm_clk),
CLK(NULL, "mjcp", &mjcp_clk),
CLK("serial8250.0", NULL, &uart0_clk),
CLK("serial8250.1", NULL, &uart1_clk),
CLK("serial8250.2", NULL, &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK("davinci-mcbsp.0", NULL, &asp0_clk),
CLK("davinci-mcbsp.1", NULL, &asp1_clk),
CLK("dm6441-mmc.0", NULL, &mmcsd0_clk),
CLK("dm6441-mmc.1", NULL, &mmcsd1_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
CLK("spi_davinci.1", NULL, &spi1_clk),
CLK("spi_davinci.2", NULL, &spi2_clk),
CLK(NULL, "gpio", &gpio_clk),
CLK(NULL, "aemif", &aemif_clk),
CLK(NULL, "pwm0", &pwm0_clk),
CLK(NULL, "pwm1", &pwm1_clk),
CLK(NULL, "pwm2", &pwm2_clk),
CLK(NULL, "pwm3", &pwm3_clk),
CLK(NULL, "timer0", &timer0_clk),
CLK(NULL, "timer1", &timer1_clk),
CLK("davinci-wdt", NULL, &timer2_clk),
CLK(NULL, "timer3", &timer3_clk),
CLK(NULL, "rto", &rto_clk),
CLK(NULL, "usb", &usb_clk),
CLK(NULL, NULL, NULL),
};
/*----------------------------------------------------------------------*/
static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
static struct resource dm355_spi0_resources[] = {
{
.start = 0x01c66000,
.end = 0x01c667ff,
.flags = IORESOURCE_MEM,
},
{
.start = IRQ_DM355_SPINT0_0,
.flags = IORESOURCE_IRQ,
},
{
.start = 17,
.flags = IORESOURCE_DMA,
},
{
.start = 16,
.flags = IORESOURCE_DMA,
},
};
static struct davinci_spi_platform_data dm355_spi0_pdata = {
.version = SPI_VERSION_1,
.num_chipselect = 2,
.cshold_bug = true,
.dma_event_q = EVENTQ_1,
.prescaler_limit = 1,
};
static struct platform_device dm355_spi0_device = {
.name = "spi_davinci",
.id = 0,
.dev = {
.dma_mask = &dm355_spi0_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &dm355_spi0_pdata,
},
.num_resources = ARRAY_SIZE(dm355_spi0_resources),
.resource = dm355_spi0_resources,
};
void __init dm355_init_spi0(unsigned chipselect_mask,
const struct spi_board_info *info, unsigned len)
{
/* for now, assume we need MISO */
davinci_cfg_reg(DM355_SPI0_SDI);
/* not all slaves will be wired up */
if (chipselect_mask & BIT(0))
davinci_cfg_reg(DM355_SPI0_SDENA0);
if (chipselect_mask & BIT(1))
davinci_cfg_reg(DM355_SPI0_SDENA1);
spi_register_board_info(info, len);
platform_device_register(&dm355_spi0_device);
}
/*----------------------------------------------------------------------*/
#define INTMUX 0x18
#define EVTMUX 0x1c
/*
* Device specific mux setup
*
* soc description mux mode mode mux dbg
* reg offset mask mode
*/
static const struct mux_config dm355_pins[] = {
#ifdef CONFIG_DAVINCI_MUX
MUX_CFG(DM355, MMCSD0, 4, 2, 1, 0, false)
MUX_CFG(DM355, SD1_CLK, 3, 6, 1, 1, false)
MUX_CFG(DM355, SD1_CMD, 3, 7, 1, 1, false)
MUX_CFG(DM355, SD1_DATA3, 3, 8, 3, 1, false)
MUX_CFG(DM355, SD1_DATA2, 3, 10, 3, 1, false)
MUX_CFG(DM355, SD1_DATA1, 3, 12, 3, 1, false)
MUX_CFG(DM355, SD1_DATA0, 3, 14, 3, 1, false)
MUX_CFG(DM355, I2C_SDA, 3, 19, 1, 1, false)
MUX_CFG(DM355, I2C_SCL, 3, 20, 1, 1, false)
MUX_CFG(DM355, MCBSP0_BDX, 3, 0, 1, 1, false)
MUX_CFG(DM355, MCBSP0_X, 3, 1, 1, 1, false)
MUX_CFG(DM355, MCBSP0_BFSX, 3, 2, 1, 1, false)
MUX_CFG(DM355, MCBSP0_BDR, 3, 3, 1, 1, false)
MUX_CFG(DM355, MCBSP0_R, 3, 4, 1, 1, false)
MUX_CFG(DM355, MCBSP0_BFSR, 3, 5, 1, 1, false)
MUX_CFG(DM355, SPI0_SDI, 4, 1, 1, 0, false)
MUX_CFG(DM355, SPI0_SDENA0, 4, 0, 1, 0, false)
MUX_CFG(DM355, SPI0_SDENA1, 3, 28, 1, 1, false)
INT_CFG(DM355, INT_EDMA_CC, 2, 1, 1, false)
INT_CFG(DM355, INT_EDMA_TC0_ERR, 3, 1, 1, false)
INT_CFG(DM355, INT_EDMA_TC1_ERR, 4, 1, 1, false)
EVT_CFG(DM355, EVT8_ASP1_TX, 0, 1, 0, false)
EVT_CFG(DM355, EVT9_ASP1_RX, 1, 1, 0, false)
EVT_CFG(DM355, EVT26_MMC0_RX, 2, 1, 0, false)
MUX_CFG(DM355, VOUT_FIELD, 1, 18, 3, 1, false)
MUX_CFG(DM355, VOUT_FIELD_G70, 1, 18, 3, 0, false)
MUX_CFG(DM355, VOUT_HVSYNC, 1, 16, 1, 0, false)
MUX_CFG(DM355, VOUT_COUTL_EN, 1, 0, 0xff, 0x55, false)
MUX_CFG(DM355, VOUT_COUTH_EN, 1, 8, 0xff, 0x55, false)
MUX_CFG(DM355, VIN_PCLK, 0, 14, 1, 1, false)
MUX_CFG(DM355, VIN_CAM_WEN, 0, 13, 1, 1, false)
MUX_CFG(DM355, VIN_CAM_VD, 0, 12, 1, 1, false)
MUX_CFG(DM355, VIN_CAM_HD, 0, 11, 1, 1, false)
MUX_CFG(DM355, VIN_YIN_EN, 0, 10, 1, 1, false)
MUX_CFG(DM355, VIN_CINL_EN, 0, 0, 0xff, 0x55, false)
MUX_CFG(DM355, VIN_CINH_EN, 0, 8, 3, 3, false)
#endif
};
static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
[IRQ_DM355_CCDC_VDINT0] = 2,
[IRQ_DM355_CCDC_VDINT1] = 6,
[IRQ_DM355_CCDC_VDINT2] = 6,
[IRQ_DM355_IPIPE_HST] = 6,
[IRQ_DM355_H3AINT] = 6,
[IRQ_DM355_IPIPE_SDR] = 6,
[IRQ_DM355_IPIPEIFINT] = 6,
[IRQ_DM355_OSDINT] = 7,
[IRQ_DM355_VENCINT] = 6,
[IRQ_ASQINT] = 6,
[IRQ_IMXINT] = 6,
[IRQ_USBINT] = 4,
[IRQ_DM355_RTOINT] = 4,
[IRQ_DM355_UARTINT2] = 7,
[IRQ_DM355_TINT6] = 7,
[IRQ_CCINT0] = 5, /* dma */
[IRQ_CCERRINT] = 5, /* dma */
[IRQ_TCERRINT0] = 5, /* dma */
[IRQ_TCERRINT] = 5, /* dma */
[IRQ_DM355_SPINT2_1] = 7,
[IRQ_DM355_TINT7] = 4,
[IRQ_DM355_SDIOINT0] = 7,
[IRQ_MBXINT] = 7,
[IRQ_MBRINT] = 7,
[IRQ_MMCINT] = 7,
[IRQ_DM355_MMCINT1] = 7,
[IRQ_DM355_PWMINT3] = 7,
[IRQ_DDRINT] = 7,
[IRQ_AEMIFINT] = 7,
[IRQ_DM355_SDIOINT1] = 4,
[IRQ_TINT0_TINT12] = 2, /* clockevent */
[IRQ_TINT0_TINT34] = 2, /* clocksource */
[IRQ_TINT1_TINT12] = 7, /* DSP timer */
[IRQ_TINT1_TINT34] = 7, /* system tick */
[IRQ_PWMINT0] = 7,
[IRQ_PWMINT1] = 7,
[IRQ_PWMINT2] = 7,
[IRQ_I2C] = 3,
[IRQ_UARTINT0] = 3,
[IRQ_UARTINT1] = 3,
[IRQ_DM355_SPINT0_0] = 3,
[IRQ_DM355_SPINT0_1] = 3,
[IRQ_DM355_GPIO0] = 3,
[IRQ_DM355_GPIO1] = 7,
[IRQ_DM355_GPIO2] = 4,
[IRQ_DM355_GPIO3] = 4,
[IRQ_DM355_GPIO4] = 7,
[IRQ_DM355_GPIO5] = 7,
[IRQ_DM355_GPIO6] = 7,
[IRQ_DM355_GPIO7] = 7,
[IRQ_DM355_GPIO8] = 7,
[IRQ_DM355_GPIO9] = 7,
[IRQ_DM355_GPIOBNK0] = 7,
[IRQ_DM355_GPIOBNK1] = 7,
[IRQ_DM355_GPIOBNK2] = 7,
[IRQ_DM355_GPIOBNK3] = 7,
[IRQ_DM355_GPIOBNK4] = 7,
[IRQ_DM355_GPIOBNK5] = 7,
[IRQ_DM355_GPIOBNK6] = 7,
[IRQ_COMMTX] = 7,
[IRQ_COMMRX] = 7,
[IRQ_EMUINT] = 7,
};
/*----------------------------------------------------------------------*/
static s8 queue_priority_mapping[][2] = {
/* {event queue no, Priority} */
{0, 3},
{1, 7},
{-1, -1},
};
static const struct dma_slave_map dm355_edma_map[] = {
{ "davinci-mcbsp.0", "tx", EDMA_FILTER_PARAM(0, 2) },
{ "davinci-mcbsp.0", "rx", EDMA_FILTER_PARAM(0, 3) },
{ "davinci-mcbsp.1", "tx", EDMA_FILTER_PARAM(0, 8) },
{ "davinci-mcbsp.1", "rx", EDMA_FILTER_PARAM(0, 9) },
{ "spi_davinci.2", "tx", EDMA_FILTER_PARAM(0, 10) },
{ "spi_davinci.2", "rx", EDMA_FILTER_PARAM(0, 11) },
{ "spi_davinci.1", "tx", EDMA_FILTER_PARAM(0, 14) },
{ "spi_davinci.1", "rx", EDMA_FILTER_PARAM(0, 15) },
{ "spi_davinci.0", "tx", EDMA_FILTER_PARAM(0, 16) },
{ "spi_davinci.0", "rx", EDMA_FILTER_PARAM(0, 17) },
{ "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
{ "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
{ "dm6441-mmc.1", "rx", EDMA_FILTER_PARAM(0, 30) },
{ "dm6441-mmc.1", "tx", EDMA_FILTER_PARAM(0, 31) },
};
static struct edma_soc_info dm355_edma_pdata = {
.queue_priority_mapping = queue_priority_mapping,
.default_queue = EVENTQ_1,
.slave_map = dm355_edma_map,
.slavecnt = ARRAY_SIZE(dm355_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_ccint",
.start = IRQ_CCINT0,
.flags = IORESOURCE_IRQ,
},
{
.name = "edma3_ccerrint",
.start = IRQ_CCERRINT,
.flags = IORESOURCE_IRQ,
},
/* not using (or muxing) TC*_ERR */
};
static const struct platform_device_info dm355_edma_device __initconst = {
.name = "edma",
.id = 0,
.dma_mask = DMA_BIT_MASK(32),
.res = edma_resources,
.num_res = ARRAY_SIZE(edma_resources),
.data = &dm355_edma_pdata,
.size_data = sizeof(dm355_edma_pdata),
};
static struct resource dm355_asp1_resources[] = {
{
.name = "mpu",
.start = DAVINCI_ASP1_BASE,
.end = DAVINCI_ASP1_BASE + SZ_8K - 1,
.flags = IORESOURCE_MEM,
},
{
.start = DAVINCI_DMA_ASP1_TX,
.end = DAVINCI_DMA_ASP1_TX,
.flags = IORESOURCE_DMA,
},
{
.start = DAVINCI_DMA_ASP1_RX,
.end = DAVINCI_DMA_ASP1_RX,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device dm355_asp1_device = {
.name = "davinci-mcbsp",
.id = 1,
.num_resources = ARRAY_SIZE(dm355_asp1_resources),
.resource = dm355_asp1_resources,
};
static void dm355_ccdc_setup_pinmux(void)
{
davinci_cfg_reg(DM355_VIN_PCLK);
davinci_cfg_reg(DM355_VIN_CAM_WEN);
davinci_cfg_reg(DM355_VIN_CAM_VD);
davinci_cfg_reg(DM355_VIN_CAM_HD);
davinci_cfg_reg(DM355_VIN_YIN_EN);
davinci_cfg_reg(DM355_VIN_CINL_EN);
davinci_cfg_reg(DM355_VIN_CINH_EN);
}
static struct resource dm355_vpss_resources[] = {
{
/* VPSS BL Base address */
.name = "vpss",
.start = 0x01c70800,
.end = 0x01c70800 + 0xff,
.flags = IORESOURCE_MEM,
},
{
/* VPSS CLK Base address */
.name = "vpss",
.start = 0x01c70000,
.end = 0x01c70000 + 0xf,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device dm355_vpss_device = {
.name = "vpss",
.id = -1,
.dev.platform_data = "dm355_vpss",
.num_resources = ARRAY_SIZE(dm355_vpss_resources),
.resource = dm355_vpss_resources,
};
static struct resource vpfe_resources[] = {
{
.start = IRQ_VDINT0,
.end = IRQ_VDINT0,
.flags = IORESOURCE_IRQ,
},
{
.start = IRQ_VDINT1,
.end = IRQ_VDINT1,
.flags = IORESOURCE_IRQ,
},
};
static u64 vpfe_capture_dma_mask = DMA_BIT_MASK(32);
static struct resource dm355_ccdc_resource[] = {
/* CCDC Base address */
{
.flags = IORESOURCE_MEM,
.start = 0x01c70600,
.end = 0x01c70600 + 0x1ff,
},
};
static struct platform_device dm355_ccdc_dev = {
.name = "dm355_ccdc",
.id = -1,
.num_resources = ARRAY_SIZE(dm355_ccdc_resource),
.resource = dm355_ccdc_resource,
.dev = {
.dma_mask = &vpfe_capture_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = dm355_ccdc_setup_pinmux,
},
};
static struct platform_device vpfe_capture_dev = {
.name = CAPTURE_DRV_NAME,
.id = -1,
.num_resources = ARRAY_SIZE(vpfe_resources),
.resource = vpfe_resources,
.dev = {
.dma_mask = &vpfe_capture_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource dm355_osd_resources[] = {
{
.start = DM355_OSD_BASE,
.end = DM355_OSD_BASE + 0x17f,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device dm355_osd_dev = {
.name = DM355_VPBE_OSD_SUBDEV_NAME,
.id = -1,
.num_resources = ARRAY_SIZE(dm355_osd_resources),
.resource = dm355_osd_resources,
.dev = {
.dma_mask = &vpfe_capture_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource dm355_venc_resources[] = {
{
.start = IRQ_VENCINT,
.end = IRQ_VENCINT,
.flags = IORESOURCE_IRQ,
},
/* venc registers io space */
{
.start = DM355_VENC_BASE,
.end = DM355_VENC_BASE + 0x17f,
.flags = IORESOURCE_MEM,
},
/* VDAC config register io space */
{
.start = DAVINCI_SYSTEM_MODULE_BASE + SYSMOD_VDAC_CONFIG,
.end = DAVINCI_SYSTEM_MODULE_BASE + SYSMOD_VDAC_CONFIG + 3,
.flags = IORESOURCE_MEM,
},
};
static struct resource dm355_v4l2_disp_resources[] = {
{
.start = IRQ_VENCINT,
.end = IRQ_VENCINT,
.flags = IORESOURCE_IRQ,
},
/* venc registers io space */
{
.start = DM355_VENC_BASE,
.end = DM355_VENC_BASE + 0x17f,
.flags = IORESOURCE_MEM,
},
};
static int dm355_vpbe_setup_pinmux(u32 if_type, int field)
{
switch (if_type) {
case MEDIA_BUS_FMT_SGRBG8_1X8:
davinci_cfg_reg(DM355_VOUT_FIELD_G70);
break;
case MEDIA_BUS_FMT_YUYV10_1X20:
if (field)
davinci_cfg_reg(DM355_VOUT_FIELD);
else
davinci_cfg_reg(DM355_VOUT_FIELD_G70);
break;
default:
return -EINVAL;
}
davinci_cfg_reg(DM355_VOUT_COUTL_EN);
davinci_cfg_reg(DM355_VOUT_COUTH_EN);
return 0;
}
static int dm355_venc_setup_clock(enum vpbe_enc_timings_type type,
unsigned int pclock)
{
void __iomem *vpss_clk_ctrl_reg;
vpss_clk_ctrl_reg = DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL);
switch (type) {
case VPBE_ENC_STD:
writel(VPSS_DACCLKEN_ENABLE | VPSS_VENCCLKEN_ENABLE,
vpss_clk_ctrl_reg);
break;
case VPBE_ENC_DV_TIMINGS:
if (pclock > 27000000)
/*
* For HD, use external clock source since we cannot
* support HD mode with internal clocks.
*/
writel(VPSS_MUXSEL_EXTCLK_ENABLE, vpss_clk_ctrl_reg);
break;
default:
return -EINVAL;
}
return 0;
}
static struct platform_device dm355_vpbe_display = {
.name = "vpbe-v4l2",
.id = -1,
.num_resources = ARRAY_SIZE(dm355_v4l2_disp_resources),
.resource = dm355_v4l2_disp_resources,
.dev = {
.dma_mask = &vpfe_capture_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct venc_platform_data dm355_venc_pdata = {
.setup_pinmux = dm355_vpbe_setup_pinmux,
.setup_clock = dm355_venc_setup_clock,
};
static struct platform_device dm355_venc_dev = {
.name = DM355_VPBE_VENC_SUBDEV_NAME,
.id = -1,
.num_resources = ARRAY_SIZE(dm355_venc_resources),
.resource = dm355_venc_resources,
.dev = {
.dma_mask = &vpfe_capture_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = (void *)&dm355_venc_pdata,
},
};
static struct platform_device dm355_vpbe_dev = {
.name = "vpbe_controller",
.id = -1,
.dev = {
.dma_mask = &vpfe_capture_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource dm355_gpio_resources[] = {
{ /* registers */
.start = DAVINCI_GPIO_BASE,
.end = DAVINCI_GPIO_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
{ /* interrupt */
.start = IRQ_DM355_GPIOBNK0,
.end = IRQ_DM355_GPIOBNK6,
.flags = IORESOURCE_IRQ,
},
};
static struct davinci_gpio_platform_data dm355_gpio_platform_data = {
.ngpio = 104,
};
int __init dm355_gpio_register(void)
{
return davinci_gpio_register(dm355_gpio_resources,
ARRAY_SIZE(dm355_gpio_resources),
&dm355_gpio_platform_data);
}
/*----------------------------------------------------------------------*/
static struct map_desc dm355_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 dm355_ids[] = {
{
.variant = 0x0,
.part_no = 0xb73b,
.manufacturer = 0x00f,
.cpu_id = DAVINCI_CPU_ID_DM355,
.name = "dm355",
},
};
static u32 dm355_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE };
/*
* 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>
*/
static struct davinci_timer_info dm355_timer_info = {
.timers = davinci_timer_instance,
.clockevent_id = T0_BOT,
.clocksource_id = T0_TOP,
};
static struct plat_serial8250_port dm355_serial0_platform_data[] = {
{
.mapbase = DAVINCI_UART0_BASE,
.irq = IRQ_UARTINT0,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 2,
},
{
.flags = 0,
}
};
static struct plat_serial8250_port dm355_serial1_platform_data[] = {
{
.mapbase = DAVINCI_UART1_BASE,
.irq = IRQ_UARTINT1,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 2,
},
{
.flags = 0,
}
};
static struct plat_serial8250_port dm355_serial2_platform_data[] = {
{
.mapbase = DM355_UART2_BASE,
.irq = IRQ_DM355_UARTINT2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 2,
},
{
.flags = 0,
}
};
struct platform_device dm355_serial_device[] = {
{
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = dm355_serial0_platform_data,
}
},
{
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM1,
.dev = {
.platform_data = dm355_serial1_platform_data,
}
},
{
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM2,
.dev = {
.platform_data = dm355_serial2_platform_data,
}
},
{
}
};
static struct davinci_soc_info davinci_soc_info_dm355 = {
.io_desc = dm355_io_desc,
.io_desc_num = ARRAY_SIZE(dm355_io_desc),
.jtag_id_reg = 0x01c40028,
.ids = dm355_ids,
.ids_num = ARRAY_SIZE(dm355_ids),
.cpu_clks = dm355_clks,
.psc_bases = dm355_psc_bases,
.psc_bases_num = ARRAY_SIZE(dm355_psc_bases),
.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,
};
void __init dm355_init_asp1(u32 evt_enable)
{
/* we don't use ASP1 IRQs, or we'd need to mux them ... */
if (evt_enable & ASP1_TX_EVT_EN)
davinci_cfg_reg(DM355_EVT8_ASP1_TX);
if (evt_enable & ASP1_RX_EVT_EN)
davinci_cfg_reg(DM355_EVT9_ASP1_RX);
platform_device_register(&dm355_asp1_device);
}
void __init dm355_init(void)
{
davinci_common_init(&davinci_soc_info_dm355);
davinci_map_sysmod();
davinci_clk_init(davinci_soc_info_dm355.cpu_clks);
}
int __init dm355_init_video(struct vpfe_config *vpfe_cfg,
struct vpbe_config *vpbe_cfg)
{
if (vpfe_cfg || vpbe_cfg)
platform_device_register(&dm355_vpss_device);
if (vpfe_cfg) {
vpfe_capture_dev.dev.platform_data = vpfe_cfg;
platform_device_register(&dm355_ccdc_dev);
platform_device_register(&vpfe_capture_dev);
}
if (vpbe_cfg) {
dm355_vpbe_dev.dev.platform_data = vpbe_cfg;
platform_device_register(&dm355_osd_dev);
platform_device_register(&dm355_venc_dev);
platform_device_register(&dm355_vpbe_dev);
platform_device_register(&dm355_vpbe_display);
}
return 0;
}
static int __init dm355_init_devices(void)
{
struct platform_device *edma_pdev;
int ret = 0;
if (!cpu_is_davinci_dm355())
return 0;
davinci_cfg_reg(DM355_INT_EDMA_CC);
edma_pdev = platform_device_register_full(&dm355_edma_device);
if (IS_ERR(edma_pdev)) {
pr_warn("%s: Failed to register eDMA\n", __func__);
return PTR_ERR(edma_pdev);
}
ret = davinci_init_wdt();
if (ret)
pr_warn("%s: watchdog init failed: %d\n", __func__, ret);
return ret;
}
postcore_initcall(dm355_init_devices);
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