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@@ -30,12 +30,13 @@
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#include <linux/amba/bus.h>
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#include <linux/amba/clcd.h>
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#include <linux/amba/pl022.h>
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+#include <linux/amba/pl08x.h>
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+#include <linux/amba/mmci.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/of_irq.h>
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#include <linux/of_platform.h>
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#include <linux/clk.h>
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-#include <linux/amba/pl08x.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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@@ -50,9 +51,12 @@
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/*
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* Mapped GPIOLIB GPIOs
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*/
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-#define SPI0_CS_GPIO LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
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-#define LCD_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 0)
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-#define BKL_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 4)
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+#define SPI0_CS_GPIO LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
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+#define LCD_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 0)
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+#define BKL_POWER_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 4)
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+#define MMC_PWR_ENABLE_GPIO LPC32XX_GPIO(LPC32XX_GPO_P3_GRP, 5)
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+#define MMC_CD_GPIO LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 1)
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+#define MMC_WP_GPIO LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 0)
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/*
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* AMBA LCD controller
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@@ -158,24 +162,6 @@ static struct clcd_board lpc32xx_clcd_data = {
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/*
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* AMBA SSP (SPI)
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*/
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-static void phy3250_spi_cs_set(u32 control)
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-{
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- gpio_set_value(SPI0_CS_GPIO, (int) control);
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-}
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-
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-static struct pl022_config_chip spi0_chip_info = {
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- .com_mode = INTERRUPT_TRANSFER,
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- .iface = SSP_INTERFACE_MOTOROLA_SPI,
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- .hierarchy = SSP_MASTER,
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- .slave_tx_disable = 0,
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- .rx_lev_trig = SSP_RX_4_OR_MORE_ELEM,
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- .tx_lev_trig = SSP_TX_4_OR_MORE_EMPTY_LOC,
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- .ctrl_len = SSP_BITS_8,
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- .wait_state = SSP_MWIRE_WAIT_ZERO,
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- .duplex = SSP_MICROWIRE_CHANNEL_FULL_DUPLEX,
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- .cs_control = phy3250_spi_cs_set,
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-};
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-
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static struct pl022_ssp_controller lpc32xx_ssp0_data = {
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.bus_id = 0,
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.num_chipselect = 1,
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@@ -188,45 +174,57 @@ static struct pl022_ssp_controller lpc32xx_ssp1_data = {
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.enable_dma = 0,
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};
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-/* AT25 driver registration */
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-static int __init phy3250_spi_board_register(void)
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+static struct pl08x_channel_data pl08x_slave_channels[] = {
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+ {
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+ .bus_id = "nand-slc",
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+ .min_signal = 1, /* SLC NAND Flash */
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+ .max_signal = 1,
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+ .periph_buses = PL08X_AHB1,
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+ },
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+ {
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+ .bus_id = "nand-mlc",
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+ .min_signal = 12, /* MLC NAND Flash */
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+ .max_signal = 12,
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+ .periph_buses = PL08X_AHB1,
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+ },
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+};
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+
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+/* NOTE: These will change, according to RMK */
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+static int pl08x_get_signal(struct pl08x_dma_chan *ch)
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+{
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+ return ch->cd->min_signal;
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+}
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+
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+static void pl08x_put_signal(struct pl08x_dma_chan *ch)
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{
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-#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
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- static struct spi_board_info info[] = {
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- {
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- .modalias = "spidev",
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- .max_speed_hz = 5000000,
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- .bus_num = 0,
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- .chip_select = 0,
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- .controller_data = &spi0_chip_info,
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- },
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- };
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-
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-#else
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- static struct spi_eeprom eeprom = {
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- .name = "at25256a",
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- .byte_len = 0x8000,
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- .page_size = 64,
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- .flags = EE_ADDR2,
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- };
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-
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- static struct spi_board_info info[] = {
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- {
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- .modalias = "at25",
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- .max_speed_hz = 5000000,
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- .bus_num = 0,
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- .chip_select = 0,
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- .mode = SPI_MODE_0,
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- .platform_data = &eeprom,
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- .controller_data = &spi0_chip_info,
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- },
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- };
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-#endif
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- return spi_register_board_info(info, ARRAY_SIZE(info));
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}
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-arch_initcall(phy3250_spi_board_register);
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static struct pl08x_platform_data pl08x_pd = {
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+ .slave_channels = &pl08x_slave_channels[0],
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+ .num_slave_channels = ARRAY_SIZE(pl08x_slave_channels),
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+ .get_signal = pl08x_get_signal,
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+ .put_signal = pl08x_put_signal,
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+ .lli_buses = PL08X_AHB1,
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+ .mem_buses = PL08X_AHB1,
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+};
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+
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+static int mmc_handle_ios(struct device *dev, struct mmc_ios *ios)
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+{
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+ /* Only on and off are supported */
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+ if (ios->power_mode == MMC_POWER_OFF)
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+ gpio_set_value(MMC_PWR_ENABLE_GPIO, 0);
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+ else
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+ gpio_set_value(MMC_PWR_ENABLE_GPIO, 1);
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+ return 0;
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+}
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+
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+static struct mmci_platform_data lpc32xx_mmci_data = {
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+ .ocr_mask = MMC_VDD_30_31 | MMC_VDD_31_32 |
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+ MMC_VDD_32_33 | MMC_VDD_33_34,
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+ .ios_handler = mmc_handle_ios,
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+ .dma_filter = NULL,
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+ /* No DMA for now since AMBA PL080 dmaengine driver only does scatter
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+ * gather, and the MMCI driver doesn't do it this way */
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};
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static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = {
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@@ -234,6 +232,8 @@ static const struct of_dev_auxdata lpc32xx_auxdata_lookup[] __initconst = {
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OF_DEV_AUXDATA("arm,pl022", 0x2008C000, "dev:ssp1", &lpc32xx_ssp1_data),
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OF_DEV_AUXDATA("arm,pl110", 0x31040000, "dev:clcd", &lpc32xx_clcd_data),
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OF_DEV_AUXDATA("arm,pl080", 0x31000000, "pl08xdmac", &pl08x_pd),
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+ OF_DEV_AUXDATA("arm,pl18x", 0x20098000, "20098000.sd",
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+ &lpc32xx_mmci_data),
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{ }
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};
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@@ -241,10 +241,6 @@ static void __init lpc3250_machine_init(void)
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{
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u32 tmp;
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- /* Setup SLC NAND controller muxing */
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- __raw_writel(LPC32XX_CLKPWR_NANDCLK_SEL_SLC,
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- LPC32XX_CLKPWR_NAND_CLK_CTRL);
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-
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/* Setup LCD muxing to RGB565 */
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tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL) &
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~(LPC32XX_CLKPWR_LCDCTRL_LCDTYPE_MSK |
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@@ -264,34 +260,12 @@ static void __init lpc3250_machine_init(void)
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LPC32XX_CLKPWR_I2CCLK_I2C2HI_DRIVE;
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__raw_writel(tmp, LPC32XX_CLKPWR_I2C_CLK_CTRL);
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- /* Disable IrDA pulsing support on UART6 */
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- tmp = __raw_readl(LPC32XX_UARTCTL_CTRL);
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- tmp |= LPC32XX_UART_UART6_IRDAMOD_BYPASS;
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- __raw_writel(tmp, LPC32XX_UARTCTL_CTRL);
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-
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- /* Enable DMA for I2S1 channel */
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- tmp = __raw_readl(LPC32XX_CLKPWR_I2S_CLK_CTRL);
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- tmp = LPC32XX_CLKPWR_I2SCTRL_I2S1_USE_DMA;
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- __raw_writel(tmp, LPC32XX_CLKPWR_I2S_CLK_CTRL);
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-
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lpc32xx_serial_init();
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- /*
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- * AMBA peripheral clocks need to be enabled prior to AMBA device
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- * detection or a data fault will occur, so enable the clocks
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- * here.
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- */
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- tmp = __raw_readl(LPC32XX_CLKPWR_LCDCLK_CTRL);
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- __raw_writel((tmp | LPC32XX_CLKPWR_LCDCTRL_CLK_EN),
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- LPC32XX_CLKPWR_LCDCLK_CTRL);
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-
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- tmp = __raw_readl(LPC32XX_CLKPWR_SSP_CLK_CTRL);
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- __raw_writel((tmp | LPC32XX_CLKPWR_SSPCTRL_SSPCLK0_EN),
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- LPC32XX_CLKPWR_SSP_CLK_CTRL);
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-
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- tmp = __raw_readl(LPC32XX_CLKPWR_DMA_CLK_CTRL);
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- __raw_writel((tmp | LPC32XX_CLKPWR_DMACLKCTRL_CLK_EN),
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- LPC32XX_CLKPWR_DMA_CLK_CTRL);
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+ tmp = __raw_readl(LPC32XX_CLKPWR_MS_CTRL);
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+ tmp |= LPC32XX_CLKPWR_MSCARD_SDCARD_EN |
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+ LPC32XX_CLKPWR_MSCARD_MSDIO_PU_EN;
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+ __raw_writel(tmp, LPC32XX_CLKPWR_MS_CTRL);
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/* Test clock needed for UDA1380 initial init */
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__raw_writel(LPC32XX_CLKPWR_TESTCLK2_SEL_MOSC |
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@@ -302,12 +276,10 @@ static void __init lpc3250_machine_init(void)
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lpc32xx_auxdata_lookup, NULL);
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/* Register GPIOs used on this board */
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- if (gpio_request(SPI0_CS_GPIO, "spi0 cs"))
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- printk(KERN_ERR "Error requesting gpio %u",
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- SPI0_CS_GPIO);
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- else if (gpio_direction_output(SPI0_CS_GPIO, 1))
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- printk(KERN_ERR "Error setting gpio %u to output",
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- SPI0_CS_GPIO);
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+ if (gpio_request(MMC_PWR_ENABLE_GPIO, "mmc_power_en"))
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+ pr_err("Error requesting gpio %u", MMC_PWR_ENABLE_GPIO);
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+ else if (gpio_direction_output(MMC_PWR_ENABLE_GPIO, 1))
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+ pr_err("Error setting gpio %u to output", MMC_PWR_ENABLE_GPIO);
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}
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static char const *lpc32xx_dt_compat[] __initdata = {
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