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-rw-r--r--arch/arm/mach-davinci/dm355.c832
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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 18:36:45 +0000