/*
* Register the M2S specific SPI controllers and devices with the kernel.
*/
void __init m2s_spi_init(void)
{
int p = m2s_platform_get();
#if defined(CONFIG_M2S_MSS_SPI0)
spi_m2s_dev0_data.ref_clk = m2s_clock_get(SPI0_M2S_CLK);
platform_set_drvdata(&spi_m2s_dev0, &spi_m2s_dev0_data);
platform_device_register(&spi_m2s_dev0);
#endif
#if defined(CONFIG_M2S_MSS_SPI1)
spi_m2s_dev1_data.ref_clk = m2s_clock_get(SPI1_M2S_CLK);
platform_set_drvdata(&spi_m2s_dev1, &spi_m2s_dev1_data);
platform_device_register(&spi_m2s_dev1);
#endif
if (p == PLATFORM_M2S_SOM) {
#if defined(CONFIG_M2S_MSS_SPI0) && defined(CONFIG_MTD_M25P80)
/*
* SPI Flash partitioning:
* 0-1ffff: U-boot environment
* 20000-3fffff: Linux bootable image
* 400000-end of Flash: JFFS2 filesystem
*/
# define M2S_SOM_SF_MTD_OFFSET 0x010000 /* 64 KB */
# define M2S_SOM_SF_MTD_SIZE0 0x400000 /* 4 MB */
# define M2S_SOM_SF_MTD_SIZE1 0xBF0000 /*~12 MB */
static struct mtd_partition m2s_som_sf_mtd[] = {
{
.name = "spi_flash_uboot_env",
.offset = 0,
.size = M2S_SOM_SF_MTD_OFFSET,
}, {
.name = "spi_flash_linux_image",
.offset = M2S_SOM_SF_MTD_OFFSET,
.size = M2S_SOM_SF_MTD_SIZE0,
}, {
.name = "spi_flash_jffs2",
/*
* Register the M2S specific I2C devices with the kernel.
*/
void __init m2s_i2c_init(void)
{
int p = m2s_platform_get();
#if defined(CONFIG_M2S_MSS_I2C0)
/*
* Reset the I2C controller and then bring it out of reset
*/
writel(readl(&M2S_SYSREG->soft_reset_cr) | I2C0_RST_CLR,
&M2S_SYSREG->soft_reset_cr);
writel(readl(&M2S_SYSREG->soft_reset_cr) & ~I2C0_RST_CLR,
&M2S_SYSREG->soft_reset_cr);
/*
* Pass the device parameters to the driver
*/
i2c_m2s_data_dev0.ref_clk = m2s_clock_get(CLCK_PCLK0);
platform_set_drvdata(&i2c_m2s_dev0, &i2c_m2s_data_dev0);
/*
* Register a platform device for this interface
*/
platform_device_register(&i2c_m2s_dev0);
#endif
#if defined(CONFIG_M2S_MSS_I2C1)
/*
* Reset the I2C controller and then bring it out of reset
*/
writel(readl(&M2S_SYSREG->soft_reset_cr) | I2C1_RST_CLR,
&M2S_SYSREG->soft_reset_cr);
writel(readl(&M2S_SYSREG->soft_reset_cr) & ~I2C1_RST_CLR,
&M2S_SYSREG->soft_reset_cr);
/*
* Pass the device parameters to the driver
*/
i2c_m2s_data_dev1.ref_clk = m2s_clock_get(CLCK_PCLK1);
platform_set_drvdata(&i2c_m2s_dev1, &i2c_m2s_data_dev1);
/*
* Register a platform device for this interface
*/
platform_device_register(&i2c_m2s_dev1);
#endif
/*
* Perform board-specific I2C device registration
*/
if (p == PLATFORM_M2S_SOM || p == PLATFORM_M2S_FG484_SOM) {
#if defined(CONFIG_M2S_MSS_I2C1)
/*
* This assumes that a compatible I2C Flash is
* wired to I2C_1 in the baseboard area.
*/
#if defined(CONFIG_EEPROM_AT24)
static struct i2c_board_info i2c_eeprom__m2s_som= {
I2C_BOARD_INFO("24c512", 0x51)
};
#endif
#if defined(CONFIG_EEPROM_AT24)
i2c_register_board_info(1, &i2c_eeprom__m2s_som, 1);
#endif
#endif
}
}
