1 files changed, 730 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
new file mode 100644
index 000000000000..baaaf328de2e
--- /dev/null
+++ b/arch/arm/mach-davinci/dm355.c
@@ -0,0 +1,730 @@
+/*
+ * 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/kernel.h>
+#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/clock.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 "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 davinci_clk 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("soc-audio.0", NULL, &asp0_clk),
+        CLK("soc-audio.1", NULL, &asp1_clk),
+        CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
+        CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
+        CLK(NULL, "spi0", &spi0_clk),
+        CLK(NULL, "spi1", &spi1_clk),
+        CLK(NULL, "spi2", &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_1,
+                .flags = IORESOURCE_IRQ,
+        },
+        /* Not yet used, so not included:
+         * IORESOURCE_IRQ:
+         *  - IRQ_DM355_SPINT0_0
+         * IORESOURCE_DMA:
+         *  - DAVINCI_DMA_SPI_SPIX
+         *  - DAVINCI_DMA_SPI_SPIR
+         */
+};
+
+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),
+        },
+        .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 PINMUX0         0x00
+#define PINMUX1         0x04
+#define PINMUX2         0x08
+#define PINMUX3         0x0c
+#define PINMUX4         0x10
+#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)
+#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 dma_chan_dm355_no_event[] = {
+        12, 13, 24, 56, 57,
+        58, 59, 60, 61, 62,
+        63,
+        -1
+};
+
+static struct edma_soc_info dm355_edma_info = {
+        .n_channel      = 64,
+        .n_region       = 4,
+        .n_slot         = 128,
+        .n_tc           = 2,
+        .noevent        = dma_chan_dm355_no_event,
+};
+
+static struct resource edma_resources[] = {
+        {
+                .name   = "edma_cc",
+                .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,
+        },
+        {
+                .start  = IRQ_CCINT0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_CCERRINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        /* not using (or muxing) TC*_ERR */
+};
+
+static struct platform_device dm355_edma_device = {
+        .name                   = "edma",
+        .id                     = -1,
+        .dev.platform_data      = &dm355_edma_info,
+        .num_resources          = ARRAY_SIZE(edma_resources),
+        .resource               = edma_resources,
+};
+
+/*----------------------------------------------------------------------*/
+
+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,
+                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .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 void __iomem *dm355_psc_bases[] = {
+        IO_ADDRESS(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>
+ */
+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_base           = IO_ADDRESS(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            = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
+        .pinmux_pins            = dm355_pins,
+        .pinmux_pins_num        = ARRAY_SIZE(dm355_pins),
+        .intc_base              = IO_ADDRESS(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,
+        .wdt_base               = IO_ADDRESS(DAVINCI_WDOG_BASE),
+        .gpio_base              = IO_ADDRESS(DAVINCI_GPIO_BASE),
+        .gpio_num               = 104,
+        .gpio_irq               = IRQ_DM355_GPIOBNK0,
+        .serial_dev             = &dm355_serial_device,
+        .sram_dma               = 0x00010000,
+        .sram_len               = SZ_32K,
+};
+
+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;
+
+        davinci_cfg_reg(DM355_INT_EDMA_CC);
+        platform_device_register(&dm355_edma_device);
+        return 0;
+}
+postcore_initcall(dm355_init_devices);