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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-davinci/dm355.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-davinci/dm355.c')
-rw-r--r-- | arch/arm/mach-davinci/dm355.c | 832 |
1 files changed, 832 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c new file mode 100644 index 000000000..a12ba859b --- /dev/null +++ b/arch/arm/mach-davinci/dm355.c @@ -0,0 +1,832 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * TI DaVinci DM355 chip specific setup + * + * Author: Kevin Hilman, Deep Root Systems, LLC + * + * 2007 (c) Deep Root Systems, LLC. + */ + +#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_data/spi-davinci.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> +#include <linux/spi/spi.h> + +#include <clocksource/timer-davinci.h> + +#include <asm/mach/map.h> + +#include "common.h" +#include "cputype.h" +#include "serial.h" +#include "asp.h" +#include "davinci.h" +#include "irqs.h" +#include "mux.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 u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32); + +static struct resource dm355_spi0_resources[] = { + { + .start = 0x01c66000, + .end = 0x01c667ff, + .flags = IORESOURCE_MEM, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_DM355_SPINT0_0), + .flags = IORESOURCE_IRQ, + }, +}; + +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 = DAVINCI_INTC_IRQ(IRQ_CCINT0), + .flags = IORESOURCE_IRQ, + }, + { + .name = "edma3_ccerrint", + .start = DAVINCI_INTC_IRQ(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 = DAVINCI_INTC_IRQ(IRQ_VDINT0), + .end = DAVINCI_INTC_IRQ(IRQ_VDINT0), + .flags = IORESOURCE_IRQ, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_VDINT1), + .end = DAVINCI_INTC_IRQ(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 = DAVINCI_INTC_IRQ(IRQ_VENCINT), + .end = DAVINCI_INTC_IRQ(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 = DAVINCI_INTC_IRQ(IRQ_VENCINT), + .end = DAVINCI_INTC_IRQ(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 = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK0), + .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK0), + .flags = IORESOURCE_IRQ, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK1), + .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK1), + .flags = IORESOURCE_IRQ, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK2), + .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK2), + .flags = IORESOURCE_IRQ, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK3), + .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK3), + .flags = IORESOURCE_IRQ, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK4), + .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK4), + .flags = IORESOURCE_IRQ, + }, + { + .start = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK5), + .end = DAVINCI_INTC_IRQ(IRQ_DM355_GPIOBNK5), + .flags = IORESOURCE_IRQ, + }, + { + .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, +}; + +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", + }, +}; + +/* + * Bottom half of timer0 is used for clockevent, top half is used for + * clocksource. + */ +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 = DAVINCI_INTC_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 = DAVINCI_INTC_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 = DAVINCI_INTC_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 const 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), + .pinmux_base = DAVINCI_SYSTEM_MODULE_BASE, + .pinmux_pins = dm355_pins, + .pinmux_pins_num = ARRAY_SIZE(dm355_pins), + .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(); +} + +void __init dm355_init_time(void) +{ + void __iomem *pll1, *psc; + struct clk *clk; + int rv; + + clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM355_REF_FREQ); + + pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K); + dm355_pll1_init(NULL, pll1, NULL); + + psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K); + 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; + } + + rv = davinci_timer_register(clk, &dm355_timer_cfg); + WARN(rv, "Unable to register the timer: %d\n", rv); +} + +static struct resource dm355_pll2_resources[] = { + { + .start = DAVINCI_PLL2_BASE, + .end = DAVINCI_PLL2_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device dm355_pll2_device = { + .name = "dm355-pll2", + .id = -1, + .resource = dm355_pll2_resources, + .num_resources = ARRAY_SIZE(dm355_pll2_resources), +}; + +void __init dm355_register_clocks(void) +{ + /* PLL1 and PSC are registered in dm355_init_time() */ + platform_device_register(&dm355_pll2_device); +} + +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 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; + 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); |