#define DA830_EMIF25_ASYNC_DATA_CE3_BASE 0x62000000
#define DA830_EMIF25_CONTROL_BASE 0x68000000
-static struct at24_platform_data da830_evm_i2c_eeprom_info = {
- .byte_len = SZ_256K / 8,
- .page_size = 64,
- .flags = AT24_FLAG_ADDR16,
- .setup = davinci_get_mac_addr,
- .context = (void *)0x7f00,
-};
-
-static int da830_evm_ui_expander_setup(struct i2c_client *client, int gpio,
- unsigned ngpio, void *context)
-{
- gpio_request(gpio + 6, "MUX_MODE");
-#ifdef CONFIG_DA830_UI_LCD
- gpio_direction_output(gpio + 6, 0);
-#else /* Must be NAND or NOR */
- gpio_direction_output(gpio + 6, 1);
-#endif
- return 0;
-}
-
-static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
- unsigned ngpio, void *context)
-{
- gpio_free(gpio + 6);
- return 0;
-}
-
-static struct pcf857x_platform_data da830_evm_ui_expander_info = {
- .gpio_base = DAVINCI_N_GPIO,
- .setup = da830_evm_ui_expander_setup,
- .teardown = da830_evm_ui_expander_teardown,
-};
-
-static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
- {
- I2C_BOARD_INFO("24c256", 0x50),
- .platform_data = &da830_evm_i2c_eeprom_info,
- },
- {
- I2C_BOARD_INFO("tlv320aic3x", 0x18),
- },
- {
- I2C_BOARD_INFO("pcf8574", 0x3f),
- .platform_data = &da830_evm_ui_expander_info,
- },
-};
-
-static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
- .bus_freq = 100, /* kHz */
- .bus_delay = 0, /* usec */
-};
-
/*
* USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
*/
* Set up USB clock/mode in the CFGCHIP2 register.
* FYI: CFGCHIP2 is 0x0000ef00 initially.
*/
- cfgchip2 = __raw_readl(DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG));
+ cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
/* USB2.0 PHY reference clock is 24 MHz */
cfgchip2 &= ~CFGCHIP2_REFFREQ;
cfgchip2 |= CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
#endif
- __raw_writel(cfgchip2, DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG));
+ __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
/* USB_REFCLKIN is not used. */
ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
static struct davinci_mmc_config da830_evm_mmc_config = {
.get_ro = da830_evm_mmc_get_ro,
.wires = 4,
+ .max_freq = 50000000,
+ .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
.version = MMC_CTLR_VERSION_2,
};
}
}
+/*
+ * UI board NAND/NOR flashes only use 8-bit data bus.
+ */
+static const short da830_evm_emif25_pins[] = {
+ DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
+ DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
+ DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
+ DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
+ DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
+ DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
+ DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
+ -1
+};
+
+#if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
+#define HAS_MMC 1
+#else
+#define HAS_MMC 0
+#endif
+
#ifdef CONFIG_DA830_UI_NAND
static struct mtd_partition da830_evm_nand_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
.num_resources = ARRAY_SIZE(da830_evm_nand_resources),
.resource = da830_evm_nand_resources,
};
+
+static inline void da830_evm_init_nand(int mux_mode)
+{
+ int ret;
+
+ if (HAS_MMC) {
+ pr_warning("WARNING: both MMC/SD and NAND are "
+ "enabled, but they share AEMIF pins.\n"
+ "\tDisable MMC/SD for NAND support.\n");
+ return;
+ }
+
+ ret = da8xx_pinmux_setup(da830_evm_emif25_pins);
+ if (ret)
+ pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
+ ret);
+
+ ret = platform_device_register(&da830_evm_nand_device);
+ if (ret)
+ pr_warning("da830_evm_init: NAND device not registered.\n");
+
+ gpio_direction_output(mux_mode, 1);
+}
+#else
+static inline void da830_evm_init_nand(int mux_mode) { }
#endif
-static struct platform_device *da830_evm_devices[] __initdata = {
-#ifdef CONFIG_DA830_UI_NAND
- &da830_evm_nand_device,
+#ifdef CONFIG_DA830_UI_LCD
+static inline void da830_evm_init_lcdc(int mux_mode)
+{
+ int ret;
+
+ ret = da8xx_pinmux_setup(da830_lcdcntl_pins);
+ if (ret)
+ pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
+ ret);
+
+ ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
+ if (ret)
+ pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
+
+ gpio_direction_output(mux_mode, 0);
+}
+#else
+static inline void da830_evm_init_lcdc(int mux_mode) { }
#endif
+
+static struct at24_platform_data da830_evm_i2c_eeprom_info = {
+ .byte_len = SZ_256K / 8,
+ .page_size = 64,
+ .flags = AT24_FLAG_ADDR16,
+ .setup = davinci_get_mac_addr,
+ .context = (void *)0x7f00,
};
-/*
- * UI board NAND/NOR flashes only use 8-bit data bus.
- */
-static const short da830_evm_emif25_pins[] = {
- DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
- DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
- DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
- DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
- DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
- DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
- DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
- -1
+static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
+ int gpio, unsigned ngpio, void *context)
+{
+ gpio_request(gpio + 6, "UI MUX_MODE");
+
+ /* Drive mux mode low to match the default without UI card */
+ gpio_direction_output(gpio + 6, 0);
+
+ da830_evm_init_lcdc(gpio + 6);
+
+ da830_evm_init_nand(gpio + 6);
+
+ return 0;
+}
+
+static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
+ unsigned ngpio, void *context)
+{
+ gpio_free(gpio + 6);
+ return 0;
+}
+
+static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
+ .gpio_base = DAVINCI_N_GPIO,
+ .setup = da830_evm_ui_expander_setup,
+ .teardown = da830_evm_ui_expander_teardown,
+};
+
+static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("24c256", 0x50),
+ .platform_data = &da830_evm_i2c_eeprom_info,
+ },
+ {
+ I2C_BOARD_INFO("tlv320aic3x", 0x18),
+ },
+ {
+ I2C_BOARD_INFO("pcf8574", 0x3f),
+ .platform_data = &da830_evm_ui_expander_info,
+ },
+};
+
+static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
+ .bus_freq = 100, /* kHz */
+ .bus_delay = 0, /* usec */
};
static __init void da830_evm_init(void)
da830_evm_init_mmc();
-#ifdef CONFIG_DA830_UI
-#ifdef CONFIG_DA830_UI_LCD
- ret = da8xx_pinmux_setup(da830_lcdcntl_pins);
- if (ret)
- pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
- ret);
-
- ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
- if (ret)
- pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
-#else /* Must be NAND or NOR */
- ret = da8xx_pinmux_setup(da830_evm_emif25_pins);
- if (ret)
- pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
- ret);
-
- ret = platform_add_devices(da830_evm_devices,
- ARRAY_SIZE(da830_evm_devices));
- if (ret)
- pr_warning("da830_evm_init: EVM devices not added\n");
-#endif
-#endif
-
ret = da8xx_register_rtc();
if (ret)
pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff