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authorKevin Hilman <khilman@deeprootsystems.com>2009-04-14 11:30:11 -0500
committerKevin Hilman <khilman@deeprootsystems.com>2009-04-27 09:50:11 -0700
commitd0e47fba054a55e0066c6ae2c807d98d086af5a9 (patch)
treeaa4b3b6312d1a5f22a3fd8f97e9ab05a805d7144 /arch/arm
parent73d3c68f09e608be983013dc8b3e49aebe89298c (diff)
davinci: update DM644x support in preparation for more SoCs
Rework DM644x code into SoC specific and board specific parts. This is also to generalize the structure a bit so it's easier to add support for new SoCs in the DaVinci family. Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-davinci/Kconfig9
-rw-r--r--arch/arm/mach-davinci/Makefile5
-rw-r--r--arch/arm/mach-davinci/board-dm644x-evm.c292
-rw-r--r--arch/arm/mach-davinci/dm644x.c461
-rw-r--r--arch/arm/mach-davinci/include/mach/board-dm6446evm.h20
-rw-r--r--arch/arm/mach-davinci/include/mach/common.h6
-rw-r--r--arch/arm/mach-davinci/include/mach/dm644x.h37
7 files changed, 791 insertions, 39 deletions
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index f18090e78e3..a9c78bc72b8 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -4,19 +4,18 @@ menu "TI DaVinci Implementations"
comment "DaVinci Core Type"
-config ARCH_DAVINCI644x
- default y
+config ARCH_DAVINCI_DM644x
bool "DaVinci 644x based system"
comment "DaVinci Board Type"
config MACH_DAVINCI_EVM
- bool "TI DaVinci EVM"
+ bool "TI DM644x EVM"
default y
- depends on ARCH_DAVINCI644x
+ depends on ARCH_DAVINCI_DM644x
help
Configure this option to specify the whether the board used
- for development is a DaVinci EVM
+ for development is a DM644x EVM
config DAVINCI_MUX
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index b27871af4fc..1674661942f 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -9,5 +9,8 @@ obj-y := time.o irq.o clock.o serial.o io.o id.o psc.o \
obj-$(CONFIG_DAVINCI_MUX) += mux.o
+# Chip specific
+obj-$(CONFIG_ARCH_DAVINCI_DM644x) += dm644x.o
+
# Board specific
-obj-$(CONFIG_MACH_DAVINCI_EVM) += board-evm.o
+obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index c2701d740a1..5387e6b2040 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -15,15 +15,19 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/leds.h>
+#include <linux/memory.h>
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/i2c/at24.h>
-
+#include <linux/etherdevice.h>
#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
+#include <linux/phy.h>
+#include <linux/clk.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -32,28 +36,34 @@
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
-#include <mach/hardware.h>
+#include <mach/dm644x.h>
#include <mach/common.h>
#include <mach/i2c.h>
+#include <mach/serial.h>
+#include <mach/mux.h>
+#include <mach/psc.h>
+#include <mach/nand.h>
+
+#define DM644X_EVM_PHY_MASK (0x2)
+#define DM644X_EVM_MDIO_FREQUENCY (2200000) /* PHY bus frequency */
#define DAVINCI_CFC_ATA_BASE 0x01C66000
-#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
-/* other misc. init functions */
-void __init davinci_psc_init(void);
-void __init davinci_irq_init(void);
-void __init davinci_map_common_io(void);
-void __init davinci_init_common_hw(void);
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE 0x04000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE 0x06000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE 0x08000000
-#if defined(CONFIG_MTD_PHYSMAP) || \
- defined(CONFIG_MTD_PHYSMAP_MODULE)
+#define LXT971_PHY_ID (0x001378e2)
+#define LXT971_PHY_MASK (0xfffffff0)
static struct mtd_partition davinci_evm_norflash_partitions[] = {
- /* bootloader (U-Boot, etc) in first 4 sectors */
+ /* bootloader (UBL, U-Boot, etc) in first 5 sectors */
{
.name = "bootloader",
.offset = 0,
- .size = 4 * SZ_64K,
+ .size = 5 * SZ_64K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next 1 sectors */
@@ -103,10 +113,60 @@ static struct platform_device davinci_evm_norflash_device = {
.resource = &davinci_evm_norflash_resource,
};
-#endif
+struct mtd_partition davinci_evm_nandflash_partition[] = {
+ /* 5 MB space at the beginning for bootloader and kernel */
+ {
+ .name = "NAND filesystem",
+ .offset = 5 * SZ_1M,
+ .size = MTDPART_SIZ_FULL,
+ .mask_flags = 0,
+ }
+};
-#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
- defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+static struct davinci_nand_pdata davinci_evm_nandflash_data = {
+ .parts = davinci_evm_nandflash_partition,
+ .nr_parts = ARRAY_SIZE(davinci_evm_nandflash_partition),
+ .ecc_mode = NAND_ECC_HW,
+};
+
+static struct resource davinci_evm_nandflash_resource[] = {
+ {
+ .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
+ .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
+ .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device davinci_evm_nandflash_device = {
+ .name = "davinci_nand",
+ .id = 0,
+ .dev = {
+ .platform_data = &davinci_evm_nandflash_data,
+ },
+ .num_resources = ARRAY_SIZE(davinci_evm_nandflash_resource),
+ .resource = davinci_evm_nandflash_resource,
+};
+
+static u64 davinci_fb_dma_mask = DMA_32BIT_MASK;
+
+static struct platform_device davinci_fb_device = {
+ .name = "davincifb",
+ .id = -1,
+ .dev = {
+ .dma_mask = &davinci_fb_dma_mask,
+ .coherent_dma_mask = DMA_32BIT_MASK,
+ },
+ .num_resources = 0,
+};
+
+static struct platform_device rtc_dev = {
+ .name = "rtc_davinci_evm",
+ .id = -1,
+};
static struct resource ide_resources[] = {
{
@@ -121,7 +181,7 @@ static struct resource ide_resources[] = {
},
};
-static u64 ide_dma_mask = DMA_BIT_MASK(32);
+static u64 ide_dma_mask = DMA_32BIT_MASK;
static struct platform_device ide_dev = {
.name = "palm_bk3710",
@@ -130,12 +190,10 @@ static struct platform_device ide_dev = {
.num_resources = ARRAY_SIZE(ide_resources),
.dev = {
.dma_mask = &ide_dma_mask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
+ .coherent_dma_mask = DMA_32BIT_MASK,
},
};
-#endif
-
/*----------------------------------------------------------------------*/
/*
@@ -314,7 +372,9 @@ evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
gpio_request(gpio + 7, "nCF_SEL");
gpio_direction_output(gpio + 7, 1);
- /* irlml6401 sustains over 3A, switches 5V in under 8 msec */
+ /* irlml6401 switches over 1A, in under 8 msec;
+ * now it can be managed by nDRV_VBUS ...
+ */
setup_usb(500, 8);
return 0;
@@ -346,14 +406,120 @@ static struct pcf857x_platform_data pcf_data_u35 = {
* - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
* - ... newer boards may have more
*/
+static struct memory_accessor *at24_mem_acc;
+
+static void at24_setup(struct memory_accessor *mem_acc, void *context)
+{
+ DECLARE_MAC_BUF(mac_str);
+ char mac_addr[6];
+
+ at24_mem_acc = mem_acc;
+
+ /* Read MAC addr from EEPROM */
+ if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x7f00, 6) == 6) {
+ printk(KERN_INFO "Read MAC addr from EEPROM: %s\n",
+ print_mac(mac_str, mac_addr));
+ }
+}
+
static struct at24_platform_data eeprom_info = {
.byte_len = (256*1024) / 8,
.page_size = 64,
.flags = AT24_FLAG_ADDR16,
+ .setup = at24_setup,
+};
+
+int dm6446evm_eeprom_read(void *buf, off_t off, size_t count)
+{
+ if (at24_mem_acc)
+ return at24_mem_acc->read(at24_mem_acc, buf, off, count);
+ return -ENODEV;
+}
+EXPORT_SYMBOL(dm6446evm_eeprom_read);
+
+int dm6446evm_eeprom_write(void *buf, off_t off, size_t count)
+{
+ if (at24_mem_acc)
+ return at24_mem_acc->write(at24_mem_acc, buf, off, count);
+ return -ENODEV;
+}
+EXPORT_SYMBOL(dm6446evm_eeprom_write);
+
+/*
+ * MSP430 supports RTC, card detection, input from IR remote, and
+ * a bit more. It triggers interrupts on GPIO(7) from pressing
+ * buttons on the IR remote, and for card detect switches.
+ */
+static struct i2c_client *dm6446evm_msp;
+
+static int dm6446evm_msp_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ dm6446evm_msp = client;
+ return 0;
+}
+
+static int dm6446evm_msp_remove(struct i2c_client *client)
+{
+ dm6446evm_msp = NULL;
+ return 0;
+}
+
+static const struct i2c_device_id dm6446evm_msp_ids[] = {
+ { "dm6446evm_msp", 0, },
+ { /* end of list */ },
+};
+
+static struct i2c_driver dm6446evm_msp_driver = {
+ .driver.name = "dm6446evm_msp",
+ .id_table = dm6446evm_msp_ids,
+ .probe = dm6446evm_msp_probe,
+ .remove = dm6446evm_msp_remove,
};
+static int dm6444evm_msp430_get_pins(void)
+{
+ static const char txbuf[2] = { 2, 4, };
+ char buf[4];
+ struct i2c_msg msg[2] = {
+ {
+ .addr = dm6446evm_msp->addr,
+ .flags = 0,
+ .len = 2,
+ .buf = (void __force *)txbuf,
+ },
+ {
+ .addr = dm6446evm_msp->addr,
+ .flags = I2C_M_RD,
+ .len = 4,
+ .buf = buf,
+ },
+ };
+ int status;
+
+ if (!dm6446evm_msp)
+ return -ENXIO;
+
+ /* Command 4 == get input state, returns port 2 and port3 data
+ * S Addr W [A] len=2 [A] cmd=4 [A]
+ * RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
+ */
+ status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
+ if (status < 0)
+ return status;
+
+ dev_dbg(&dm6446evm_msp->dev,
+ "PINS: %02x %02x %02x %02x\n",
+ buf[0], buf[1], buf[2], buf[3]);
+
+ return (buf[3] << 8) | buf[2];
+}
+
static struct i2c_board_info __initdata i2c_info[] = {
{
+ I2C_BOARD_INFO("dm6446evm_msp", 0x23),
+ },
+ {
I2C_BOARD_INFO("pcf8574", 0x38),
.platform_data = &pcf_data_u2,
},
@@ -371,7 +537,6 @@ static struct i2c_board_info __initdata i2c_info[] = {
},
/* ALSO:
* - tvl320aic33 audio codec (0x1b)
- * - msp430 microcontroller (0x23)
* - tvp5146 video decoder (0x5d)
*/
};
@@ -387,40 +552,101 @@ static struct davinci_i2c_platform_data i2c_pdata = {
static void __init evm_init_i2c(void)
{
davinci_init_i2c(&i2c_pdata);
+ i2c_add_driver(&dm6446evm_msp_driver);
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}
static struct platform_device *davinci_evm_devices[] __initdata = {
-#if defined(CONFIG_MTD_PHYSMAP) || \
- defined(CONFIG_MTD_PHYSMAP_MODULE)
- &davinci_evm_norflash_device,
-#endif
-#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
- defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
- &ide_dev,
-#endif
+ &davinci_fb_device,
+ &rtc_dev,
+};
+
+static struct davinci_uart_config uart_config __initdata = {
+ .enabled_uarts = (1 << 0),
};
static void __init
davinci_evm_map_io(void)
{
davinci_map_common_io();
+ dm644x_init();
}
-static __init void davinci_evm_init(void)
+static int davinci_phy_fixup(struct phy_device *phydev)
{
+ unsigned int control;
+ /* CRITICAL: Fix for increasing PHY signal drive strength for
+ * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
+ * signal strength was low causing TX to fail randomly. The
+ * fix is to Set bit 11 (Increased MII drive strength) of PHY
+ * register 26 (Digital Config register) on this phy. */
+ control = phy_read(phydev, 26);
+ phy_write(phydev, 26, (control | 0x800));
+ return 0;
+}
+
#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
+#define HAS_ATA 1
+#else
+#define HAS_ATA 0
+#endif
+
#if defined(CONFIG_MTD_PHYSMAP) || \
defined(CONFIG_MTD_PHYSMAP_MODULE)
- printk(KERN_WARNING "WARNING: both IDE and NOR flash are enabled, "
- "but share pins.\n\t Disable IDE for NOR support.\n");
+#define HAS_NOR 1
+#else
+#define HAS_NOR 0
#endif
+
+#if defined(CONFIG_MTD_NAND_DAVINCI) || \
+ defined(CONFIG_MTD_NAND_DAVINCI_MODULE)
+#define HAS_NAND 1
+#else
+#define HAS_NAND 0
#endif
+static __init void davinci_evm_init(void)
+{
+ struct clk *aemif_clk;
+
+ aemif_clk = clk_get(NULL, "aemif");
+ clk_enable(aemif_clk);
+
+ if (HAS_ATA) {
+ if (HAS_NAND || HAS_NOR)
+ pr_warning("WARNING: both IDE and Flash are "
+ "enabled, but they share AEMIF pins.\n"
+ "\tDisable IDE for NAND/NOR support.\n");
+ davinci_cfg_reg(DM644X_HPIEN_DISABLE);
+ davinci_cfg_reg(DM644X_ATAEN);
+ davinci_cfg_reg(DM644X_HDIREN);
+ platform_device_register(&ide_dev);
+ } else if (HAS_NAND || HAS_NOR) {
+ davinci_cfg_reg(DM644X_HPIEN_DISABLE);
+ davinci_cfg_reg(DM644X_ATAEN_DISABLE);
+
+ /* only one device will be jumpered and detected */
+ if (HAS_NAND) {
+ platform_device_register(&davinci_evm_nandflash_device);
+ evm_leds[7].default_trigger = "nand-disk";
+ if (HAS_NOR)
+ pr_warning("WARNING: both NAND and NOR flash "
+ "are enabled; disable one of them.\n");
+ } else if (HAS_NOR)
+ platform_device_register(&davinci_evm_norflash_device);
+ }
+
platform_add_devices(davinci_evm_devices,
ARRAY_SIZE(davinci_evm_devices));
evm_init_i2c();
+
+ davinci_serial_init(&uart_config);
+
+ /* Register the fixup for PHY on DaVinci */
+ phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
+ davinci_phy_fixup);
+
}
static __init void davinci_evm_irq_init(void)
@@ -428,7 +654,7 @@ static __init void davinci_evm_irq_init(void)
davinci_irq_init();
}
-MACHINE_START(DAVINCI_EVM, "DaVinci EVM")
+MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
/* Maintainer: MontaVista Software <source@mvista.com> */
.phys_io = IO_PHYS,
.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
new file mode 100644
index 00000000000..d428ef192ea
--- /dev/null
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -0,0 +1,461 @@
+/*
+ * TI DaVinci DM644x 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/platform_device.h>
+
+#include <mach/dm644x.h>
+#include <mach/clock.h>
+#include <mach/cputype.h>
+#include <mach/edma.h>
+#include <mach/irqs.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+
+#include "clock.h"
+#include "mux.h"
+
+/*
+ * Device specific clocks
+ */
+#define DM644X_REF_FREQ 27000000
+
+static struct pll_data pll1_data = {
+ .num = 1,
+ .phys_base = DAVINCI_PLL1_BASE,
+};
+
+static struct pll_data pll2_data = {
+ .num = 2,
+ .phys_base = DAVINCI_PLL2_BASE,
+};
+
+static struct clk ref_clk = {
+ .name = "ref_clk",
+ .rate = DM644X_REF_FREQ,
+};
+
+static struct clk pll1_clk = {
+ .name = "pll1",
+ .parent = &ref_clk,
+ .pll_data = &pll1_data,
+ .flags = CLK_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_sysclk5 = {
+ .name = "pll1_sysclk5",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV5,
+};
+
+static struct clk pll1_aux_clk = {
+ .name = "pll1_aux_clk",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll1_sysclkbp = {
+ .name = "pll1_sysclkbp",
+ .parent = &pll1_clk,
+ .flags = CLK_PLL | PRE_PLL,
+ .div_reg = BPDIV
+};
+
+static struct clk pll2_clk = {
+ .name = "pll2",
+ .parent = &ref_clk,
+ .pll_data = &pll2_data,
+ .flags = CLK_PLL,
+};
+
+static struct clk pll2_sysclk1 = {
+ .name = "pll2_sysclk1",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV1,
+};
+
+static struct clk pll2_sysclk2 = {
+ .name = "pll2_sysclk2",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL,
+ .div_reg = PLLDIV2,
+};
+
+static struct clk pll2_sysclkbp = {
+ .name = "pll2_sysclkbp",
+ .parent = &pll2_clk,
+ .flags = CLK_PLL | PRE_PLL,
+ .div_reg = BPDIV
+};
+
+static struct clk dsp_clk = {
+ .name = "dsp",
+ .parent = &pll1_sysclk1,
+ .lpsc = DAVINCI_LPSC_GEM,
+ .flags = PSC_DSP,
+ .usecount = 1, /* REVISIT how to disable? */
+};
+
+static struct clk arm_clk = {
+ .name = "arm",
+ .parent = &pll1_sysclk2,
+ .lpsc = DAVINCI_LPSC_ARM,
+ .flags = ALWAYS_ENABLED,
+};
+
+static struct clk vicp_clk = {
+ .name = "vicp",
+ .parent = &pll1_sysclk2,
+ .lpsc = DAVINCI_LPSC_IMCOP,
+ .flags = PSC_DSP,
+ .usecount = 1, /* REVISIT how to disable? */
+};
+
+static struct clk vpss_master_clk = {
+ .name = "vpss_master",
+ .parent = &pll1_sysclk3,
+ .lpsc = DAVINCI_LPSC_VPSSMSTR,
+ .flags = CLK_PSC,
+};
+
+static struct clk vpss_slave_clk = {
+ .name = "vpss_slave",
+ .parent = &pll1_sysclk3,
+ .lpsc = DAVINCI_LPSC_VPSSSLV,
+};
+
+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_aux_clk,
+ .lpsc = DAVINCI_LPSC_UART2,
+};
+
+static struct clk emac_clk = {
+ .name = "emac",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
+};
+
+static struct clk i2c_clk = {
+ .name = "i2c",
+ .parent = &pll1_aux_clk,
+ .lpsc = DAVINCI_LPSC_I2C,
+};
+
+static struct clk ide_clk = {
+ .name = "ide",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_ATA,
+};
+
+static struct clk asp_clk = {
+ .name = "asp0",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_McBSP,
+};
+
+static struct clk mmcsd_clk = {
+ .name = "mmcsd",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_MMC_SD,
+};
+
+static struct clk spi_clk = {
+ .name = "spi",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_SPI,
+};
+
+static struct clk gpio_clk = {
+ .name = "gpio",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_GPIO,
+};
+
+static struct clk usb_clk = {
+ .name = "usb",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_USB,
+};
+
+static struct clk vlynq_clk = {
+ .name = "vlynq",
+ .parent = &pll1_sysclk5,
+ .lpsc = DAVINCI_LPSC_VLYNQ,
+};
+
+static struct clk aemif_clk = {
+ .name = "aemif",
+ .parent = &pll1_sysclk5,
+ .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 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? */
+};
+
+struct davinci_clk dm644x_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_sysclk5", &pll1_sysclk5),
+ CLK(NULL, "pll1_aux", &pll1_aux_clk),
+ CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
+ CLK(NULL, "pll2", &pll2_clk),
+ CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
+ CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
+ CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
+ CLK(NULL, "dsp", &dsp_clk),
+ CLK(NULL, "arm", &arm_clk),
+ CLK(NULL, "vicp", &vicp_clk),
+ CLK(NULL, "vpss_master", &vpss_master_clk),
+ CLK(NULL, "vpss_slave", &vpss_slave_clk),
+ CLK(NULL, "arm", &arm_clk),
+ CLK(NULL, "uart0", &uart0_clk),
+ CLK(NULL, "uart1", &uart1_clk),
+ CLK(NULL, "uart2", &uart2_clk),
+ CLK("davinci_emac.1", NULL, &emac_clk),
+ CLK("i2c_davinci.1", NULL, &i2c_clk),
+ CLK("palm_bk3710", NULL, &ide_clk),
+ CLK("soc-audio.0", NULL, &asp_clk),
+ CLK("davinci_mmc.0", NULL, &mmcsd_clk),
+ CLK(NULL, "spi", &spi_clk),
+ CLK(NULL, "gpio", &gpio_clk),
+ CLK(NULL, "usb", &usb_clk),
+ CLK(NULL, "vlynq", &vlynq_clk),
+ CLK(NULL, "aemif", &aemif_clk),
+ CLK(NULL, "pwm0", &pwm0_clk),
+ CLK(NULL, "pwm1", &pwm1_clk),
+ CLK(NULL, "pwm2", &pwm2_clk),
+ CLK(NULL, "timer0", &timer0_clk),
+ CLK(NULL, "timer1", &timer1_clk),
+ CLK("watchdog", NULL, &timer2_clk),
+ CLK(NULL, NULL, NULL),
+};
+
+#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
+
+static struct resource dm644x_emac_resources[] = {
+ {
+ .start = DM644X_EMAC_BASE,
+ .end = DM644X_EMAC_BASE + 0x47ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_EMACINT,
+ .end = IRQ_EMACINT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device dm644x_emac_device = {
+ .name = "davinci_emac",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(dm644x_emac_resources),
+ .resource = dm644x_emac_resources,
+};
+
+#endif
+
+/*
+ * Device specific mux setup
+ *
+ * soc description mux mode mode mux dbg
+ * reg offset mask mode
+ */
+static const struct mux_config dm644x_pins[] = {
+MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true)
+MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true)
+MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true)
+
+MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true)
+
+MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true)
+
+MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false)
+
+MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false)
+
+MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false)
+
+MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true)
+MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true)
+
+MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false)
+
+MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false)
+
+MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false)
+
+MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false)
+MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false)
+MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false)
+
+MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true)
+
+MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true)
+
+MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true)
+MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false)
+MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false)
+MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true)
+
+MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true)
+
+MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true)
+MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false)
+};
+
+
+/*----------------------------------------------------------------------*/
+
+static const s8 dma_chan_dm644x_no_event[] = {
+ 0, 1, 12, 13, 14,
+ 15, 25, 30, 31, 45,
+ 46, 47, 55, 56, 57,
+ 58, 59, 60, 61, 62,
+ 63,
+ -1
+};
+
+static struct edma_soc_info dm644x_edma_info = {
+ .n_channel = 64,
+ .n_region = 4,
+ .n_slot = 128,
+ .n_tc = 2,
+ .noevent = dma_chan_dm644x_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 TC*_ERR */
+};
+
+static struct platform_device dm644x_edma_device = {
+ .name = "edma",
+ .id = -1,
+ .dev.platform_data = &dm644x_edma_info,
+ .num_resources = ARRAY_SIZE(edma_resources),
+ .resource = edma_resources,
+};
+
+/*----------------------------------------------------------------------*/
+void __init dm644x_init(void)
+{
+ davinci_clk_init(dm644x_clks);
+ davinci_mux_register(dm644x_pins, ARRAY_SIZE(dm644x_pins));
+}
+
+static int __init dm644x_init_devices(void)
+{
+ if (!cpu_is_davinci_dm644x())
+ return 0;
+
+ platform_device_register(&dm644x_edma_device);
+ return 0;
+}
+postcore_initcall(dm644x_init_devices);
diff --git a/arch/arm/mach-davinci/include/mach/board-dm6446evm.h b/arch/arm/mach-davinci/include/mach/board-dm6446evm.h
new file mode 100644
index 00000000000..3216f21c123
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/board-dm6446evm.h
@@ -0,0 +1,20 @@
+/*
+ * DaVinci DM6446 EVM board specific headers
+ *
+ * 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 ifndef.
+ */
+
+#ifndef _MACH_DAVINCI_DM6446EVM_H
+#define _MACH_DAVINCI_DM6446EVM_H
+
+#include <linux/types.h>
+
+int dm6446evm_eeprom_read(char *buf, off_t off, size_t count);
+int dm6446evm_eeprom_write(char *buf, off_t off, size_t count);
+
+#endif
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index 4b522e5c70e..19177097625 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -16,6 +16,12 @@ struct sys_timer;
extern struct sys_timer davinci_timer;
+extern void davinci_irq_init(void);
+extern void davinci_map_common_io(void);
+
+/* parameters describe VBUS sourcing for host mode */
+extern void setup_usb(unsigned mA, unsigned potpgt_msec);
+
/* parameters describe VBUS sourcing for host mode */
extern void setup_usb(unsigned mA, unsigned potpgt_msec);
diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h
new file mode 100644
index 00000000000..3dcb9f4e58b
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -0,0 +1,37 @@
+/*
+ * This file contains the processor specific definitions
+ * of the TI DM644x.
+ *
+ * Copyright (C) 2008 Texas Instruments.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef __ASM_ARCH_DM644X_H
+#define __ASM_ARCH_DM644X_H
+
+#include <linux/platform_device.h>
+#include <mach/hardware.h>
+
+#define DM644X_EMAC_BASE (0x01C80000)
+#define DM644X_EMAC_CNTRL_OFFSET (0x0000)
+#define DM644X_EMAC_CNTRL_MOD_OFFSET (0x1000)
+#define DM644X_EMAC_CNTRL_RAM_OFFSET (0x2000)
+#define DM644X_EMAC_MDIO_OFFSET (0x4000)
+#define DM644X_EMAC_CNTRL_RAM_SIZE (0x2000)
+
+void __init dm644x_init(void);
+
+#endif /* __ASM_ARCH_DM644X_H */