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linux/arch/arm/mach-davinci/dm355.c
Grant Likely 496a2e360a Merge branch 'for-grant' of git://arago-project.org/git/projects/linux-davinci into spi/next 
* 'for-grant' of git://arago-project.org/git/projects/linux-davinci into spi/next
   spi: davinci: fix checkpatch errors
   spi: davinci: whitespace cleanup
   spi: davinci: remove unused variable 'pdata'
   spi: davinci: set chip-select mode in SPIDEF only once
   spi: davinci: enable both activation and deactivation of chip-selects
   spi: davinci: remove unnecessary data transmit on CS disable
   spi: davinci: enable GPIO lines to be used as chip selects
   spi: davinci: simplify prescalar calculation
   spi: davinci: remove 'wait_enable' platform data member
   spi: davinci: make chip-slect specific parameters really chip-select specific
   spi: davinci: consolidate setup of SPIFMTn in one function
   spi: davinci: setup chip-select timers values only if timer enabled
   spi: davinci: add support for wait enable timeouts
   spi: davinci: remove unused members of davinci_spi_slave
   spi: davinci: eliminate the single member structure davinci_spi_slave
   spi: davinci: eliminate unnecessary update of davinci_spi->count
   spi: davinci: simplify calculation of edma acount value
   spi: davinci: check for NULL buffer pointer before using it
   spi: davinci: remove unnecessary disable of SPI
   spi: davinci: remove unnecessary 'count' variable in driver private data
   spi: davinci: remove unnecessary completion variable initialization
   spi: davinci: remove non-useful interrupt mode support
   spi: davinci: simplify poll mode transfers
   spi: davinci: add support for interrupt mode
   spi: davinci: configure the invariable bits in spipc0 only once
   spi: davinci: remove unnecessary function davinci_spi_bufs_prep()
   spi: davinci: remove unnecessary call to davinci_spi_setup_transfer()
   spi: davinci: do not store DMA channel information per chip select
   spi: davinci: always start transmit DMA
   spi: davinci: do not use temporary buffer if no transmit data provided
   spi: davinci: always start receive DMA
   spi: davinci: use edma_write_slot() to setup EDMA PaRAM slot
   spi: davinci: fix DMA event generation stoppage
   spi: davinci: fix EDMA CC errors at end of transfers
   spi: davinci: handle DMA completion errors correctly
   spi: davinci: remove usage of additional completion variables for DMA
   spi: davinci: let DMA operation be specified on per-device basis
   spi: davinci: remove non-useful "clk_internal" platform data
   spi: davinci: enable and power-up SPI only when required
   spi: davinci: setup the driver owner
   spi: davinci: add additional comments
   spi: davinci: add EF Johnson Technologies copyright
   spi: davinci: removed unused #defines
   spi: davinci: remove unnecessary typecast
   spi: davinci: do not treat Tx interrupt being set as error
   spi: davinci: do not allocate DMA channels during SPI device setup
   spi: davinci: remove unnecessary private data member 'region_size'
   spi: davinci: shorten variable names
   spi: davinci: kconfig: add manufacturer name to prompt string
2010-12-29 00:47:38 -07:00

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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/gpio.h>
#include <linux/spi/spi.h>
#include <asm/mach/map.h>
#include <mach/dm355.h>
#include <mach/cputype.h>
#include <mach/edma.h>
#include <mach/psc.h>
#include <mach/mux.h>
#include <mach/irqs.h>
#include <mach/time.h>
#include <mach/serial.h>
#include <mach/common.h>
#include <mach/asp.h>
#include <mach/spi.h>
#include "clock.h"
#include "mux.h"
#define DM355_UART2_BASE (IO_PHYS + 0x206000)
/*
* 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 cant' 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(NULL, "vpss_master", &vpss_master_clk),
CLK(NULL, "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(NULL, "uart0", &uart0_clk),
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
CLK("i2c_davinci.1", NULL, &i2c_clk),
CLK("davinci-mcbsp.0", NULL, &asp0_clk),
CLK("davinci-mcbsp.1", NULL, &asp1_clk),
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_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("watchdog", 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,
},
{
.start = EVENTQ_1,
.flags = IORESOURCE_DMA,
},
};
static struct davinci_spi_platform_data dm355_spi0_pdata = {
.version = SPI_VERSION_1,
.num_chipselect = 2,
.cshold_bug = true,
};
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,
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 const s8
queue_tc_mapping[][2] = {
/* {event queue no, TC no} */
{0, 0},
{1, 1},
{-1, -1},
};
static const s8
queue_priority_mapping[][2] = {
/* {event queue no, Priority} */
{0, 3},
{1, 7},
{-1, -1},
};
static struct edma_soc_info edma_cc0_info = {
.n_channel = 64,
.n_region = 4,
.n_slot = 128,
.n_tc = 2,
.n_cc = 1,
.queue_tc_mapping = queue_tc_mapping,
.queue_priority_mapping = queue_priority_mapping,
};
static struct edma_soc_info *dm355_edma_info[EDMA_MAX_CC] = {
&edma_cc0_info,
};
static struct resource edma_resources[] = {
{
.name = "edma_cc0",
.start = 0x01c00000,
.end = 0x01c00000 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "edma_tc0",
.start = 0x01c10000,
.end = 0x01c10000 + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "edma_tc1",
.start = 0x01c10400,
.end = 0x01c10400 + SZ_1K - 1,
.flags = IORESOURCE_MEM,
},
{
.name = "edma0",
.start = IRQ_CCINT0,
.flags = IORESOURCE_IRQ,
},
{
.name = "edma0_err",
.start = IRQ_CCERRINT,
.flags = IORESOURCE_IRQ,
},
/* not using (or muxing) TC*_ERR */
};
static struct platform_device dm355_edma_device = {
.name = "edma",
.id = 0,
.dev.platform_data = dm355_edma_info,
.num_resources = ARRAY_SIZE(edma_resources),
.resource = edma_resources,
};
static struct resource dm355_asp1_resources[] = {
{
.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),
},
};
void dm355_set_vpfe_config(struct vpfe_config *cfg)
{
vpfe_capture_dev.dev.platform_data = cfg;
}
/*----------------------------------------------------------------------*/
static struct map_desc dm355_io_desc[] = {
{
.virtual = IO_VIRT,
.pfn = __phys_to_pfn(IO_PHYS),
.length = IO_SIZE,
.type = MT_DEVICE
},
{
.virtual = SRAM_VIRT,
.pfn = __phys_to_pfn(0x00010000),
.length = SZ_32K,
.type = MT_MEMORY_NONCACHED,
},
};
/* 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_serial_platform_data[] = {
{
.mapbase = DAVINCI_UART0_BASE,
.irq = IRQ_UARTINT0,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 2,
},
{
.mapbase = DAVINCI_UART1_BASE,
.irq = IRQ_UARTINT1,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 2,
},
{
.mapbase = DM355_UART2_BASE,
.irq = IRQ_DM355_UARTINT2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
UPF_IOREMAP,
.iotype = UPIO_MEM,
.regshift = 2,
},
{
.flags = 0
},
};
static struct platform_device dm355_serial_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = dm355_serial_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,
.gpio_type = GPIO_TYPE_DAVINCI,
.gpio_base = DAVINCI_GPIO_BASE,
.gpio_num = 104,
.gpio_irq = IRQ_DM355_GPIOBNK0,
.serial_dev = &dm355_serial_device,
.sram_dma = 0x00010000,
.sram_len = SZ_32K,
.reset_device = &davinci_wdt_device,
};
void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
{
/* 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);
dm355_asp1_device.dev.platform_data = pdata;
platform_device_register(&dm355_asp1_device);
}
void __init dm355_init(void)
{
davinci_common_init(&davinci_soc_info_dm355);
}
static int __init dm355_init_devices(void)
{
if (!cpu_is_davinci_dm355())
return 0;
/* Add ccdc clock aliases */
clk_add_alias("master", dm355_ccdc_dev.name, "vpss_master", NULL);
clk_add_alias("slave", dm355_ccdc_dev.name, "vpss_master", NULL);
davinci_cfg_reg(DM355_INT_EDMA_CC);
platform_device_register(&dm355_edma_device);
platform_device_register(&dm355_vpss_device);
platform_device_register(&dm355_ccdc_dev);
platform_device_register(&vpfe_capture_dev);
return 0;
}
postcore_initcall(dm355_init_devices);
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