diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/i2c/soft_i2c.c | 1 | ||||
-rw-r--r-- | drivers/mmc/Makefile | 1 | ||||
-rw-r--r-- | drivers/mmc/arm_pl180_mmci.c | 443 | ||||
-rw-r--r-- | drivers/mmc/arm_pl180_mmci.h | 183 | ||||
-rw-r--r-- | drivers/mmc/bfin_sdh.c | 2 | ||||
-rw-r--r-- | drivers/mmc/davinci_mmc.c | 3 | ||||
-rw-r--r-- | drivers/mmc/fsl_esdhc.c | 4 | ||||
-rw-r--r-- | drivers/mmc/gen_atmel_mci.c | 2 | ||||
-rw-r--r-- | drivers/mmc/mmc.c | 8 | ||||
-rw-r--r-- | drivers/mmc/mxcmmc.c | 2 | ||||
-rw-r--r-- | drivers/mmc/omap_hsmmc.c | 10 | ||||
-rw-r--r-- | drivers/mmc/s5p_mmc.c | 1 | ||||
-rw-r--r-- | drivers/spi/Makefile | 1 | ||||
-rw-r--r-- | drivers/spi/oc_tiny_spi.c | 248 | ||||
-rw-r--r-- | drivers/video/Makefile | 2 | ||||
-rw-r--r-- | drivers/video/cfb_console.c | 19 | ||||
-rw-r--r-- | drivers/video/fsl_diu_fb.c | 530 | ||||
-rw-r--r-- | drivers/video/videomodes.c | 64 | ||||
-rw-r--r-- | drivers/video/videomodes.h | 3 |
19 files changed, 1211 insertions, 316 deletions
diff --git a/drivers/i2c/soft_i2c.c b/drivers/i2c/soft_i2c.c index 69b5f42205..9b02e89e03 100644 --- a/drivers/i2c/soft_i2c.c +++ b/drivers/i2c/soft_i2c.c @@ -286,6 +286,7 @@ int i2c_set_bus_num(unsigned int bus) int ret; ret = i2x_mux_select_mux(bus); + i2c_init_board(); if (ret == 0) i2c_bus_num = bus; else diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 9aca3a2bd6..a8fe17a6f7 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -32,6 +32,7 @@ COBJS-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o COBJS-$(CONFIG_GENERIC_MMC) += mmc.o COBJS-$(CONFIG_GENERIC_ATMEL_MCI) += gen_atmel_mci.o COBJS-$(CONFIG_MMC_SPI) += mmc_spi.o +COBJS-$(CONFIG_ARM_PL180_MMCI) += arm_pl180_mmci.o COBJS-$(CONFIG_MXC_MMC) += mxcmmc.o COBJS-$(CONFIG_OMAP3_MMC) += omap3_mmc.o COBJS-$(CONFIG_OMAP_HSMMC) += omap_hsmmc.o diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c new file mode 100644 index 0000000000..ed296ee026 --- /dev/null +++ b/drivers/mmc/arm_pl180_mmci.c @@ -0,0 +1,443 @@ +/* + * ARM PrimeCell MultiMedia Card Interface - PL180 + * + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Ulf Hansson <ulf.hansson@stericsson.com> + * Author: Martin Lundholm <martin.xa.lundholm@stericsson.com> + * Ported to drivers/mmc/ by: Matt Waddel <matt.waddel@linaro.org> + * + * 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 + */ + +/* #define DEBUG */ + +#include <asm/io.h> +#include "common.h" +#include <errno.h> +#include <mmc.h> +#include "arm_pl180_mmci.h" +#include <malloc.h> + +struct mmc_host { + struct sdi_registers *base; +}; + +static int wait_for_command_end(struct mmc *dev, struct mmc_cmd *cmd) +{ + u32 hoststatus, statusmask; + struct mmc_host *host = dev->priv; + + statusmask = SDI_STA_CTIMEOUT | SDI_STA_CCRCFAIL; + if ((cmd->resp_type & MMC_RSP_PRESENT)) + statusmask |= SDI_STA_CMDREND; + else + statusmask |= SDI_STA_CMDSENT; + + do + hoststatus = readl(&host->base->status) & statusmask; + while (!hoststatus); + + writel(statusmask, &host->base->status_clear); + if (hoststatus & SDI_STA_CTIMEOUT) { + printf("CMD%d time out\n", cmd->cmdidx); + return -ETIMEDOUT; + } else if ((hoststatus & SDI_STA_CCRCFAIL) && + (cmd->flags & MMC_RSP_CRC)) { + printf("CMD%d CRC error\n", cmd->cmdidx); + return -EILSEQ; + } + + if (cmd->resp_type & MMC_RSP_PRESENT) { + cmd->response[0] = readl(&host->base->response0); + cmd->response[1] = readl(&host->base->response1); + cmd->response[2] = readl(&host->base->response2); + cmd->response[3] = readl(&host->base->response3); + debug("CMD%d response[0]:0x%08X, response[1]:0x%08X, " + "response[2]:0x%08X, response[3]:0x%08X\n", + cmd->cmdidx, cmd->response[0], cmd->response[1], + cmd->response[2], cmd->response[3]); + } + + return 0; +} + +/* send command to the mmc card and wait for results */ +static int do_command(struct mmc *dev, struct mmc_cmd *cmd) +{ + int result; + u32 sdi_cmd = 0; + struct mmc_host *host = dev->priv; + + sdi_cmd = ((cmd->cmdidx & SDI_CMD_CMDINDEX_MASK) | SDI_CMD_CPSMEN); + + if (cmd->resp_type) { + sdi_cmd |= SDI_CMD_WAITRESP; + if (cmd->resp_type & MMC_RSP_136) + sdi_cmd |= SDI_CMD_LONGRESP; + } + + writel((u32)cmd->cmdarg, &host->base->argument); + udelay(COMMAND_REG_DELAY); + writel(sdi_cmd, &host->base->command); + result = wait_for_command_end(dev, cmd); + + /* After CMD2 set RCA to a none zero value. */ + if ((result == 0) && (cmd->cmdidx == MMC_CMD_ALL_SEND_CID)) + dev->rca = 10; + + /* After CMD3 open drain is switched off and push pull is used. */ + if ((result == 0) && (cmd->cmdidx == MMC_CMD_SET_RELATIVE_ADDR)) { + u32 sdi_pwr = readl(&host->base->power) & ~SDI_PWR_OPD; + writel(sdi_pwr, &host->base->power); + } + + return result; +} + +static int read_bytes(struct mmc *dev, u32 *dest, u32 blkcount, u32 blksize) +{ + u32 *tempbuff = dest; + int i; + u64 xfercount = blkcount * blksize; + struct mmc_host *host = dev->priv; + u32 status, status_err; + + debug("read_bytes: blkcount=%u blksize=%u\n", blkcount, blksize); + + status = readl(&host->base->status); + status_err = status & (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT | + SDI_STA_RXOVERR); + while (!status_err && + (xfercount >= SDI_FIFO_BURST_SIZE * sizeof(u32))) { + if (status & SDI_STA_RXFIFOBR) { + for (i = 0; i < SDI_FIFO_BURST_SIZE; i++) + *(tempbuff + i) = readl(&host->base->fifo); + tempbuff += SDI_FIFO_BURST_SIZE; + xfercount -= SDI_FIFO_BURST_SIZE * sizeof(u32); + } + status = readl(&host->base->status); + status_err = status & + (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT | SDI_STA_RXOVERR); + } + + if (status & SDI_STA_DTIMEOUT) { + printf("Read data timed out, xfercount: %llu, status: 0x%08X\n", + xfercount, status); + return -ETIMEDOUT; + } else if (status & SDI_STA_DCRCFAIL) { + printf("Read data blk CRC error: 0x%x\n", status); + return -EILSEQ; + } else if (status & SDI_STA_RXOVERR) { + printf("Read data RX overflow error\n"); + return -EIO; + } + + while ((!status_err) && (xfercount >= sizeof(u32))) { + if (status & SDI_STA_RXDAVL) { + *(tempbuff) = readl(&host->base->fifo); + tempbuff++; + xfercount -= sizeof(u32); + } + status = readl(&host->base->status); + status_err = status & (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT | + SDI_STA_RXOVERR); + } + + status_err = status & + (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT | SDI_STA_DBCKEND | + SDI_STA_RXOVERR); + while (!status_err) { + status = readl(&host->base->status); + status_err = status & + (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT | SDI_STA_DBCKEND | + SDI_STA_RXOVERR); + } + + if (status & SDI_STA_DTIMEOUT) { + printf("Read data timed out, xfercount: %llu, status: 0x%08X\n", + xfercount, status); + return -ETIMEDOUT; + } else if (status & SDI_STA_DCRCFAIL) { + printf("Read data bytes CRC error: 0x%x\n", status); + return -EILSEQ; + } else if (status & SDI_STA_RXOVERR) { + printf("Read data RX overflow error\n"); + return -EIO; + } + + writel(SDI_ICR_MASK, &host->base->status_clear); + + if (xfercount) { + printf("Read data error, xfercount: %llu\n", xfercount); + return -ENOBUFS; + } + + return 0; +} + +static int write_bytes(struct mmc *dev, u32 *src, u32 blkcount, u32 blksize) +{ + u32 *tempbuff = src; + int i; + u64 xfercount = blkcount * blksize; + struct mmc_host *host = dev->priv; + u32 status, status_err; + + debug("write_bytes: blkcount=%u blksize=%u\n", blkcount, blksize); + + status = readl(&host->base->status); + status_err = status & (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT); + while (!status_err && xfercount) { + if (status & SDI_STA_TXFIFOBW) { + if (xfercount >= SDI_FIFO_BURST_SIZE * sizeof(u32)) { + for (i = 0; i < SDI_FIFO_BURST_SIZE; i++) + writel(*(tempbuff + i), + &host->base->fifo); + tempbuff += SDI_FIFO_BURST_SIZE; + xfercount -= SDI_FIFO_BURST_SIZE * sizeof(u32); + } else { + while (xfercount >= sizeof(u32)) { + writel(*(tempbuff), &host->base->fifo); + tempbuff++; + xfercount -= sizeof(u32); + } + } + } + status = readl(&host->base->status); + status_err = status & (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT); + } + + status_err = status & + (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT | SDI_STA_DBCKEND); + while (!status_err) { + status = readl(&host->base->status); + status_err = status & + (SDI_STA_DCRCFAIL | SDI_STA_DTIMEOUT | SDI_STA_DBCKEND); + } + + if (status & SDI_STA_DTIMEOUT) { + printf("Write data timed out, xfercount:%llu,status:0x%08X\n", + xfercount, status); + return -ETIMEDOUT; + } else if (status & SDI_STA_DCRCFAIL) { + printf("Write data CRC error\n"); + return -EILSEQ; + } + + writel(SDI_ICR_MASK, &host->base->status_clear); + + if (xfercount) { + printf("Write data error, xfercount:%llu", xfercount); + return -ENOBUFS; + } + + return 0; +} + +static int do_data_transfer(struct mmc *dev, + struct mmc_cmd *cmd, + struct mmc_data *data) +{ + int error = -ETIMEDOUT; + struct mmc_host *host = dev->priv; + u32 blksz = 0; + u32 data_ctrl = 0; + u32 data_len = (u32) (data->blocks * data->blocksize); + + blksz = (ffs(data->blocksize) - 1); + data_ctrl |= ((blksz << 4) & SDI_DCTRL_DBLKSIZE_MASK); + data_ctrl |= SDI_DCTRL_DTEN; + + writel(SDI_DTIMER_DEFAULT, &host->base->datatimer); + writel(data_len, &host->base->datalength); + udelay(DATA_REG_DELAY); + + if (data->flags & MMC_DATA_READ) { + data_ctrl |= SDI_DCTRL_DTDIR_IN; + writel(data_ctrl, &host->base->datactrl); + + error = do_command(dev, cmd); + if (error) + return error; + + error = read_bytes(dev, (u32 *)data->dest, (u32)data->blocks, + (u32)data->blocksize); + } else if (data->flags & MMC_DATA_WRITE) { + error = do_command(dev, cmd); + if (error) + return error; + + writel(data_ctrl, &host->base->datactrl); + error = write_bytes(dev, (u32 *)data->src, (u32)data->blocks, + (u32)data->blocksize); + } + + return error; +} + +static int host_request(struct mmc *dev, + struct mmc_cmd *cmd, + struct mmc_data *data) +{ + int result; + + if (data) + result = do_data_transfer(dev, cmd, data); + else + result = do_command(dev, cmd); + + return result; +} + +/* MMC uses open drain drivers in the enumeration phase */ +static int mmc_host_reset(struct mmc *dev) +{ + struct mmc_host *host = dev->priv; + u32 sdi_u32 = SDI_PWR_OPD | SDI_PWR_PWRCTRL_ON; + + writel(sdi_u32, &host->base->power); + + return 0; +} + +static void host_set_ios(struct mmc *dev) +{ + struct mmc_host *host = dev->priv; + u32 sdi_clkcr; + + sdi_clkcr = readl(&host->base->clock); + + /* Ramp up the clock rate */ + if (dev->clock) { + u32 clkdiv = 0; + + if (dev->clock >= dev->f_max) + dev->clock = dev->f_max; + + clkdiv = ((ARM_MCLK / dev->clock) / 2) - 1; + + if (clkdiv > SDI_CLKCR_CLKDIV_MASK) + clkdiv = SDI_CLKCR_CLKDIV_MASK; + + sdi_clkcr &= ~(SDI_CLKCR_CLKDIV_MASK); + sdi_clkcr |= clkdiv; + } + + /* Set the bus width */ + if (dev->bus_width) { + u32 buswidth = 0; + + switch (dev->bus_width) { + case 1: + buswidth |= SDI_CLKCR_WIDBUS_1; + break; + case 4: + buswidth |= SDI_CLKCR_WIDBUS_4; + break; + default: + printf("Invalid bus width\n"); + break; + } + sdi_clkcr &= ~(SDI_CLKCR_WIDBUS_MASK); + sdi_clkcr |= buswidth; + } + + writel(sdi_clkcr, &host->base->clock); + udelay(CLK_CHANGE_DELAY); +} + +struct mmc *alloc_mmc_struct(void) +{ + struct mmc_host *host = NULL; + struct mmc *mmc_device = NULL; + + host = malloc(sizeof(struct mmc_host)); + if (!host) + return NULL; + + mmc_device = malloc(sizeof(struct mmc)); + if (!mmc_device) + goto err; + + mmc_device->priv = host; + return mmc_device; + +err: + free(host); + return NULL; +} + +/* + * mmc_host_init - initialize the mmc controller. + * Set initial clock and power for mmc slot. + * Initialize mmc struct and register with mmc framework. + */ +static int arm_pl180_mmci_host_init(struct mmc *dev) +{ + struct mmc_host *host = dev->priv; + u32 sdi_u32; + + host->base = (struct sdi_registers *)CONFIG_ARM_PL180_MMCI_BASE; + + /* Initially set power-on, full voltage & MMCI read */ + sdi_u32 = INIT_PWR; + writel(sdi_u32, &host->base->power); + + /* setting clk freq 505KHz */ + sdi_u32 = SDI_CLKCR_CLKDIV_INIT | SDI_CLKCR_CLKEN; + writel(sdi_u32, &host->base->clock); + udelay(CLK_CHANGE_DELAY); + + /* Disable mmc interrupts */ + sdi_u32 = readl(&host->base->mask0) & ~SDI_MASK0_MASK; + writel(sdi_u32, &host->base->mask0); + + sprintf(dev->name, "MMC"); + dev->clock = ARM_MCLK / (2 * (SDI_CLKCR_CLKDIV_INIT + 1)); + dev->send_cmd = host_request; + dev->set_ios = host_set_ios; + dev->init = mmc_host_reset; + dev->host_caps = 0; + dev->voltages = VOLTAGE_WINDOW_MMC; + dev->f_min = dev->clock; + dev->f_max = CONFIG_ARM_PL180_MMCI_CLOCK_FREQ; + + return 0; +} + +int arm_pl180_mmci_init(void) +{ + int error; + struct mmc *dev; + + dev = alloc_mmc_struct(); + if (!dev) + return -1; + + error = arm_pl180_mmci_host_init(dev); + if (error) { + printf("mmci_host_init error - %d\n", error); + return -1; + } + + dev->b_max = 0; + + mmc_register(dev); + debug("registered mmc interface number is:%d\n", dev->block_dev.dev); + + return 0; +} diff --git a/drivers/mmc/arm_pl180_mmci.h b/drivers/mmc/arm_pl180_mmci.h new file mode 100644 index 0000000000..42fbe3e386 --- /dev/null +++ b/drivers/mmc/arm_pl180_mmci.h @@ -0,0 +1,183 @@ +/* + * ARM PrimeCell MultiMedia Card Interface - PL180 + * + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Ulf Hansson <ulf.hansson@stericsson.com> + * Author: Martin Lundholm <martin.xa.lundholm@stericsson.com> + * Ported to drivers/mmc/ by: Matt Waddel <matt.waddel@linaro.org> + * + * 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 __ARM_PL180_MMCI_H__ +#define __ARM_PL180_MMCI_H__ + +int arm_pl180_mmci_init(void); + +#define COMMAND_REG_DELAY 300 +#define DATA_REG_DELAY 1000 +#define CLK_CHANGE_DELAY 2000 + +#define INIT_PWR 0xBF /* Power on, full power, not open drain */ +#define ARM_MCLK (100*1000*1000) + +/* SDI Power Control register bits */ +#define SDI_PWR_PWRCTRL_MASK 0x00000003 +#define SDI_PWR_PWRCTRL_ON 0x00000003 +#define SDI_PWR_PWRCTRL_OFF 0x00000000 +#define SDI_PWR_DAT2DIREN 0x00000004 +#define SDI_PWR_CMDDIREN 0x00000008 +#define SDI_PWR_DAT0DIREN 0x00000010 +#define SDI_PWR_DAT31DIREN 0x00000020 +#define SDI_PWR_OPD 0x00000040 +#define SDI_PWR_FBCLKEN 0x00000080 +#define SDI_PWR_DAT74DIREN 0x00000100 +#define SDI_PWR_RSTEN 0x00000200 + +#define VOLTAGE_WINDOW_MMC 0x00FF8080 +#define VOLTAGE_WINDOW_SD 0x80010000 + +/* SDI clock control register bits */ +#define SDI_CLKCR_CLKDIV_MASK 0x000000FF +#define SDI_CLKCR_CLKEN 0x00000100 +#define SDI_CLKCR_PWRSAV 0x00000200 +#define SDI_CLKCR_BYPASS 0x00000400 +#define SDI_CLKCR_WIDBUS_MASK 0x00001800 +#define SDI_CLKCR_WIDBUS_1 0x00000000 +#define SDI_CLKCR_WIDBUS_4 0x00000800 + +#define SDI_CLKCR_CLKDIV_INIT 0x000000C6 /* MCLK/(2*(0xC6+1)) => 505KHz */ + +/* SDI command register bits */ +#define SDI_CMD_CMDINDEX_MASK 0x000000FF +#define SDI_CMD_WAITRESP 0x00000040 +#define SDI_CMD_LONGRESP 0x00000080 +#define SDI_CMD_WAITINT 0x00000100 +#define SDI_CMD_WAITPEND 0x00000200 +#define SDI_CMD_CPSMEN 0x00000400 +#define SDI_CMD_SDIOSUSPEND 0x00000800 +#define SDI_CMD_ENDCMDCOMPL 0x00001000 +#define SDI_CMD_NIEN 0x00002000 +#define SDI_CMD_CE_ATACMD 0x00004000 +#define SDI_CMD_CBOOTMODEEN 0x00008000 + +#define SDI_DTIMER_DEFAULT 0xFFFF0000 + +/* SDI Status register bits */ +#define SDI_STA_CCRCFAIL 0x00000001 +#define SDI_STA_DCRCFAIL 0x00000002 +#define SDI_STA_CTIMEOUT 0x00000004 +#define SDI_STA_DTIMEOUT 0x00000008 +#define SDI_STA_TXUNDERR 0x00000010 +#define SDI_STA_RXOVERR 0x00000020 +#define SDI_STA_CMDREND 0x00000040 +#define SDI_STA_CMDSENT 0x00000080 +#define SDI_STA_DATAEND 0x00000100 +#define SDI_STA_STBITERR 0x00000200 +#define SDI_STA_DBCKEND 0x00000400 +#define SDI_STA_CMDACT 0x00000800 +#define SDI_STA_TXACT 0x00001000 +#define SDI_STA_RXACT 0x00002000 +#define SDI_STA_TXFIFOBW 0x00004000 +#define SDI_STA_RXFIFOBR 0x00008000 +#define SDI_STA_TXFIFOF 0x00010000 +#define SDI_STA_RXFIFOF 0x00020000 +#define SDI_STA_TXFIFOE 0x00040000 +#define SDI_STA_RXFIFOE 0x00080000 +#define SDI_STA_TXDAVL 0x00100000 +#define SDI_STA_RXDAVL 0x00200000 +#define SDI_STA_SDIOIT 0x00400000 +#define SDI_STA_CEATAEND 0x00800000 +#define SDI_STA_CARDBUSY 0x01000000 +#define SDI_STA_BOOTMODE 0x02000000 +#define SDI_STA_BOOTACKERR 0x04000000 +#define SDI_STA_BOOTACKTIMEOUT 0x08000000 +#define SDI_STA_RSTNEND 0x10000000 + +/* SDI Interrupt Clear register bits */ +#define SDI_ICR_MASK 0x1DC007FF +#define SDI_ICR_CCRCFAILC 0x00000001 +#define SDI_ICR_DCRCFAILC 0x00000002 +#define SDI_ICR_CTIMEOUTC 0x00000004 +#define SDI_ICR_DTIMEOUTC 0x00000008 +#define SDI_ICR_TXUNDERRC 0x00000010 +#define SDI_ICR_RXOVERRC 0x00000020 +#define SDI_ICR_CMDRENDC 0x00000040 +#define SDI_ICR_CMDSENTC 0x00000080 +#define SDI_ICR_DATAENDC 0x00000100 +#define SDI_ICR_STBITERRC 0x00000200 +#define SDI_ICR_DBCKENDC 0x00000400 +#define SDI_ICR_SDIOITC 0x00400000 +#define SDI_ICR_CEATAENDC 0x00800000 +#define SDI_ICR_BUSYENDC 0x01000000 +#define SDI_ICR_BOOTACKERRC 0x04000000 +#define SDI_ICR_BOOTACKTIMEOUTC 0x08000000 +#define SDI_ICR_RSTNENDC 0x10000000 + +#define SDI_MASK0_MASK 0x1FFFFFFF + +/* SDI Data control register bits */ +#define SDI_DCTRL_DTEN 0x00000001 +#define SDI_DCTRL_DTDIR_IN 0x00000002 +#define SDI_DCTRL_DTMODE_STREAM 0x00000004 +#define SDI_DCTRL_DMAEN 0x00000008 +#define SDI_DCTRL_DBLKSIZE_MASK 0x000000F0 +#define SDI_DCTRL_RWSTART 0x00000100 +#define SDI_DCTRL_RWSTOP 0x00000200 +#define SDI_DCTRL_RWMOD 0x00000200 +#define SDI_DCTRL_SDIOEN 0x00000800 +#define SDI_DCTRL_DMAREQCTL 0x00001000 +#define SDI_DCTRL_DBOOTMODEEN 0x00002000 +#define SDI_DCTRL_BUSYMODE 0x00004000 +#define SDI_DCTRL_DDR_MODE 0x00008000 + +#define SDI_FIFO_BURST_SIZE 8 + +struct sdi_registers { + u32 power; /* 0x00*/ + u32 clock; /* 0x04*/ + u32 argument; /* 0x08*/ + u32 command; /* 0x0c*/ + u32 respcommand; /* 0x10*/ + u32 response0; /* 0x14*/ + u32 response1; /* 0x18*/ + u32 response2; /* 0x1c*/ + u32 response3; /* 0x20*/ + u32 datatimer; /* 0x24*/ + u32 datalength; /* 0x28*/ + u32 datactrl; /* 0x2c*/ + u32 datacount; /* 0x30*/ + u32 status; /* 0x34*/ + u32 status_clear; /* 0x38*/ + u32 mask0; /* 0x3c*/ + u32 mask1; /* 0x40*/ + u32 card_select; /* 0x44*/ + u32 fifo_count; /* 0x48*/ + u32 padding1[(0x80-0x4C)>>2]; + u32 fifo; /* 0x80*/ + u32 padding2[(0xFE0-0x84)>>2]; + u32 periph_id0; /* 0xFE0 mmc Peripheral Identifcation Register*/ + u32 periph_id1; /* 0xFE4*/ + u32 periph_id2; /* 0xFE8*/ + u32 periph_id3; /* 0xFEC*/ + u32 pcell_id0; /* 0xFF0*/ + u32 pcell_id1; /* 0xFF4*/ + u32 pcell_id2; /* 0xFF8*/ + u32 pcell_id3; /* 0xFFC*/ +}; + +#endif diff --git a/drivers/mmc/bfin_sdh.c b/drivers/mmc/bfin_sdh.c index 31b6459373..bc9057fa9a 100644 --- a/drivers/mmc/bfin_sdh.c +++ b/drivers/mmc/bfin_sdh.c @@ -257,6 +257,8 @@ int bfin_mmc_init(bd_t *bis) mmc->f_min = mmc->f_max >> 9; mmc->block_dev.part_type = PART_TYPE_DOS; + mmc->b_max = 0; + mmc_register(mmc); return 0; diff --git a/drivers/mmc/davinci_mmc.c b/drivers/mmc/davinci_mmc.c index d5d19ebee3..5d918e6ffc 100644 --- a/drivers/mmc/davinci_mmc.c +++ b/drivers/mmc/davinci_mmc.c @@ -394,9 +394,8 @@ int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host) mmc->voltages = host->voltages; mmc->host_caps = host->host_caps; -#ifdef CONFIG_MMC_MBLOCK mmc->b_max = DAVINCI_MAX_BLOCKS; -#endif + mmc_register(mmc); return 0; diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 2838795feb..d2355be6b0 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -99,6 +99,10 @@ uint esdhc_xfertyp(struct mmc_cmd *cmd, struct mmc_data *data) else if (cmd->resp_type & MMC_RSP_PRESENT) xfertyp |= XFERTYP_RSPTYP_48; +#ifdef CONFIG_MX53 + if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION) + xfertyp |= XFERTYP_CMDTYP_ABORT; +#endif return XFERTYP_CMD(cmd->cmdidx) | xfertyp; } diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c index 2984d645c9..6577925b8e 100644 --- a/drivers/mmc/gen_atmel_mci.c +++ b/drivers/mmc/gen_atmel_mci.c @@ -348,6 +348,8 @@ int atmel_mci_init(void *regs) mmc->f_min = get_mci_clk_rate() / (2*256); mmc->f_max = get_mci_clk_rate() / (2*1); + mmc->b_max = 0; + mmc_register(mmc); return 0; diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index f27b7c79e5..f6d31f5848 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -243,8 +243,7 @@ mmc_bwrite(int dev_num, ulong start, lbaint_t blkcnt, const void*src) return 0; do { - cur = (blocks_todo > CONFIG_SYS_MMC_MAX_BLK_COUNT) ? - CONFIG_SYS_MMC_MAX_BLK_COUNT : blocks_todo; + cur = (blocks_todo > mmc->b_max) ? mmc->b_max : blocks_todo; if(mmc_write_blocks(mmc, start, cur, src) != cur) return 0; blocks_todo -= cur; @@ -320,8 +319,7 @@ static ulong mmc_bread(int dev_num, ulong start, lbaint_t blkcnt, void *dst) return 0; do { - cur = (blocks_todo > CONFIG_SYS_MMC_MAX_BLK_COUNT) ? - CONFIG_SYS_MMC_MAX_BLK_COUNT : blocks_todo; + cur = (blocks_todo > mmc->b_max) ? mmc->b_max : blocks_todo; if(mmc_read_blocks(mmc, dst, start, cur) != cur) return 0; blocks_todo -= cur; @@ -1029,6 +1027,8 @@ int mmc_register(struct mmc *mmc) mmc->block_dev.removable = 1; mmc->block_dev.block_read = mmc_bread; mmc->block_dev.block_write = mmc_bwrite; + if (!mmc->b_max) + mmc->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT; INIT_LIST_HEAD (&mmc->link); diff --git a/drivers/mmc/mxcmmc.c b/drivers/mmc/mxcmmc.c index 59639539f3..ab1fc82fbb 100644 --- a/drivers/mmc/mxcmmc.c +++ b/drivers/mmc/mxcmmc.c @@ -511,6 +511,8 @@ static int mxcmci_initialize(bd_t *bis) mmc->f_min = imx_get_perclk2() >> 7; mmc->f_max = imx_get_perclk2() >> 1; + mmc->b_max = 0; + mmc_register(mmc); return 0; diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index 6f2280abff..957b9877a0 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -465,6 +465,16 @@ int omap_mmc_init(int dev_index) mmc->f_min = 400000; mmc->f_max = 52000000; + mmc->b_max = 0; + +#if defined(CONFIG_OMAP34XX) + /* + * Silicon revs 2.1 and older do not support multiblock transfers. + */ + if ((get_cpu_family() == CPU_OMAP34XX) && (get_cpu_rev() <= CPU_3XX_ES21)) + mmc->b_max = 1; +#endif + mmc_register(mmc); return 0; diff --git a/drivers/mmc/s5p_mmc.c b/drivers/mmc/s5p_mmc.c index 0323800711..668c28bded 100644 --- a/drivers/mmc/s5p_mmc.c +++ b/drivers/mmc/s5p_mmc.c @@ -466,6 +466,7 @@ static int s5p_mmc_initialize(int dev_index, int bus_width) mmc_host[dev_index].clock = 0; mmc_host[dev_index].reg = s5p_get_base_mmc(dev_index); + mmc->m_bmax = 0; mmc_register(mmc); return 0; diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 74f1293612..a9b1ca4c13 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -35,6 +35,7 @@ COBJS-$(CONFIG_KIRKWOOD_SPI) += kirkwood_spi.o COBJS-$(CONFIG_MPC52XX_SPI) += mpc52xx_spi.o COBJS-$(CONFIG_MPC8XXX_SPI) += mpc8xxx_spi.o COBJS-$(CONFIG_MXC_SPI) += mxc_spi.o +COBJS-$(CONFIG_OC_TINY_SPI) += oc_tiny_spi.o COBJS-$(CONFIG_OMAP3_SPI) += omap3_spi.o COBJS-$(CONFIG_SOFT_SPI) += soft_spi.o COBJS-$(CONFIG_SH_SPI) += sh_spi.o diff --git a/drivers/spi/oc_tiny_spi.c b/drivers/spi/oc_tiny_spi.c new file mode 100644 index 0000000000..fc01fb83a2 --- /dev/null +++ b/drivers/spi/oc_tiny_spi.c @@ -0,0 +1,248 @@ +/* + * Opencore tiny_spi driver + * + * http://opencores.org/project,tiny_spi + * + * based on bfin_spi.c + * Copyright (c) 2005-2008 Analog Devices Inc. + * Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw> + * + * Licensed under the GPL-2 or later. + */ + +#include <common.h> +#include <asm/io.h> +#include <malloc.h> +#include <spi.h> +#include <asm/gpio.h> + +#define TINY_SPI_STATUS_TXE 0x1 +#define TINY_SPI_STATUS_TXR 0x2 + +struct tiny_spi_regs { + unsigned rxdata; /* Rx data reg */ + unsigned txdata; /* Tx data reg */ + unsigned status; /* Status reg */ + unsigned control; /* Control reg */ + unsigned baud; /* Baud reg */ +}; + +struct tiny_spi_host { + uint base; + uint freq; + uint baudwidth; +}; +static const struct tiny_spi_host tiny_spi_host_list[] = + CONFIG_SYS_TINY_SPI_LIST; + +struct tiny_spi_slave { + struct spi_slave slave; + const struct tiny_spi_host *host; + uint mode; + uint baud; + uint flg; +}; +#define to_tiny_spi_slave(s) container_of(s, struct tiny_spi_slave, slave) + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus < ARRAY_SIZE(tiny_spi_host_list) && gpio_is_valid(cs); +} + +void spi_cs_activate(struct spi_slave *slave) +{ + struct tiny_spi_slave *tiny_spi = to_tiny_spi_slave(slave); + unsigned int cs = slave->cs; + + gpio_set_value(cs, tiny_spi->flg); + debug("%s: SPI_CS_GPIO:%x\n", __func__, gpio_get_value(cs)); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + struct tiny_spi_slave *tiny_spi = to_tiny_spi_slave(slave); + unsigned int cs = slave->cs; + + gpio_set_value(cs, !tiny_spi->flg); + debug("%s: SPI_CS_GPIO:%x\n", __func__, gpio_get_value(cs)); +} + +void spi_set_speed(struct spi_slave *slave, uint hz) +{ + struct tiny_spi_slave *tiny_spi = to_tiny_spi_slave(slave); + const struct tiny_spi_host *host = tiny_spi->host; + + tiny_spi->baud = min(DIV_ROUND_UP(host->freq, hz * 2), + (1 << host->baudwidth)) - 1; + debug("%s: speed %u actual %u\n", __func__, hz, + host->freq / ((tiny_spi->baud + 1) * 2)); +} + +void spi_init(void) +{ +} + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int hz, unsigned int mode) +{ + struct tiny_spi_slave *tiny_spi; + + if (!spi_cs_is_valid(bus, cs) || gpio_request(cs, "tiny_spi")) + return NULL; + + tiny_spi = malloc(sizeof(*tiny_spi)); + if (!tiny_spi) + return NULL; + memset(tiny_spi, 0, sizeof(*tiny_spi)); + + tiny_spi->slave.bus = bus; + tiny_spi->slave.cs = cs; + tiny_spi->host = &tiny_spi_host_list[bus]; + tiny_spi->mode = mode & (SPI_CPOL | SPI_CPHA); + tiny_spi->flg = mode & SPI_CS_HIGH ? 1 : 0; + spi_set_speed(&tiny_spi->slave, hz); + + debug("%s: bus:%i cs:%i base:%lx\n", __func__, + bus, cs, tiny_spi->host->base); + return &tiny_spi->slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + struct tiny_spi_slave *tiny_spi = to_tiny_spi_slave(slave); + + gpio_free(slave->cs); + free(tiny_spi); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + struct tiny_spi_slave *tiny_spi = to_tiny_spi_slave(slave); + struct tiny_spi_regs *regs = (void *)tiny_spi->host->base; + + debug("%s: bus:%i cs:%i\n", __func__, slave->bus, slave->cs); + gpio_direction_output(slave->cs, !tiny_spi->flg); + writel(tiny_spi->mode, ®s->control); + writel(tiny_spi->baud, ®s->baud); + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ + debug("%s: bus:%i cs:%i\n", __func__, slave->bus, slave->cs); +} + +#ifndef CONFIG_TINY_SPI_IDLE_VAL +# define CONFIG_TINY_SPI_IDLE_VAL 0xff +#endif + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) +{ + struct tiny_spi_slave *tiny_spi = to_tiny_spi_slave(slave); + struct tiny_spi_regs *regs = (void *)tiny_spi->host->base; + const u8 *txp = dout; + u8 *rxp = din; + uint bytes = bitlen / 8; + uint i; + + debug("%s: bus:%i cs:%i bitlen:%i bytes:%i flags:%lx\n", __func__, + slave->bus, slave->cs, bitlen, bytes, flags); + if (bitlen == 0) + goto done; + + /* assume to do 8 bits transfers */ + if (bitlen % 8) { + flags |= SPI_XFER_END; + goto done; + } + + if (flags & SPI_XFER_BEGIN) + spi_cs_activate(slave); + + /* we need to tighten the transfer loop */ + if (txp && rxp) { + writeb(*txp++, ®s->txdata); + if (bytes > 1) { + writeb(*txp++, ®s->txdata); + for (i = 2; i < bytes; i++) { + u8 rx, tx = *txp++; + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXR)) + ; + rx = readb(®s->txdata); + writeb(tx, ®s->txdata); + *rxp++ = rx; + } + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXR)) + ; + *rxp++ = readb(®s->txdata); + } + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXE)) + ; + *rxp++ = readb(®s->rxdata); + } else if (rxp) { + writeb(CONFIG_TINY_SPI_IDLE_VAL, ®s->txdata); + if (bytes > 1) { + writeb(CONFIG_TINY_SPI_IDLE_VAL, + ®s->txdata); + for (i = 2; i < bytes; i++) { + u8 rx; + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXR)) + ; + rx = readb(®s->txdata); + writeb(CONFIG_TINY_SPI_IDLE_VAL, + ®s->txdata); + *rxp++ = rx; + } + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXR)) + ; + *rxp++ = readb(®s->txdata); + } + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXE)) + ; + *rxp++ = readb(®s->rxdata); + } else if (txp) { + writeb(*txp++, ®s->txdata); + if (bytes > 1) { + writeb(*txp++, ®s->txdata); + for (i = 2; i < bytes; i++) { + u8 tx = *txp++; + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXR)) + ; + writeb(tx, ®s->txdata); + } + } + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXE)) + ; + } else { + writeb(CONFIG_TINY_SPI_IDLE_VAL, ®s->txdata); + if (bytes > 1) { + writeb(CONFIG_TINY_SPI_IDLE_VAL, + ®s->txdata); + for (i = 2; i < bytes; i++) { + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXR)) + ; + writeb(CONFIG_TINY_SPI_IDLE_VAL, + ®s->txdata); + } + } + while (!(readb(®s->status) & + TINY_SPI_STATUS_TXE)) + ; + } + + done: + if (flags & SPI_XFER_END) + spi_cs_deactivate(slave); + + return 0; +} diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 2c53a6f3e3..086dc05383 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -28,7 +28,7 @@ LIB := $(obj)libvideo.o COBJS-$(CONFIG_ATI_RADEON_FB) += ati_radeon_fb.o videomodes.o COBJS-$(CONFIG_ATMEL_LCD) += atmel_lcdfb.o COBJS-$(CONFIG_CFB_CONSOLE) += cfb_console.o -COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o +COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o COBJS-$(CONFIG_S6E63D6) += s6e63d6.o COBJS-$(CONFIG_VIDEO_AMBA) += amba.o COBJS-$(CONFIG_VIDEO_CT69000) += ct69000.o videomodes.o diff --git a/drivers/video/cfb_console.c b/drivers/video/cfb_console.c index dd849c2dc1..b427c84877 100644 --- a/drivers/video/cfb_console.c +++ b/drivers/video/cfb_console.c @@ -882,6 +882,8 @@ static int display_rle8_bitmap (bmp_image_t *img, int xoff, int yoff, struct palette p[256]; bmp_color_table_entry_t cte; int green_shift, red_off; + int limit = VIDEO_COLS * VIDEO_ROWS; + int pixels = 0; x = 0; y = __le32_to_cpu(img->header.height) - 1; @@ -962,6 +964,10 @@ static int display_rle8_bitmap (bmp_image_t *img, int xoff, int yoff, /* unencoded run */ cnt = bm[1]; runlen = cnt; + pixels += cnt; + if (pixels > limit) + goto error; + bm += 2; if (y < height) { if (x >= width) { @@ -970,7 +976,6 @@ static int display_rle8_bitmap (bmp_image_t *img, int xoff, int yoff, } if (x + runlen > width) cnt = width - x; - draw_bitmap (&fbp, bm, p, cnt, 0); x += runlen; } @@ -982,9 +987,13 @@ next_run: break; default: /* encoded run */ + cnt = bm[0]; + runlen = cnt; + pixels += cnt; + if (pixels > limit) + goto error; + if (y < height) { /* only draw into visible area */ - cnt = bm[0]; - runlen = cnt; if (x >= width) { x += runlen; bm += 2; @@ -992,7 +1001,6 @@ next_run: } if (x + runlen > width) cnt = width - x; - draw_bitmap (&fbp, bm, p, cnt, 1); x += runlen; } @@ -1001,6 +1009,9 @@ next_run: } } return 0; +error: + printf("Error: Too much encoded pixel data, validate your bitmap\n"); + return -1; } #endif diff --git a/drivers/video/fsl_diu_fb.c b/drivers/video/fsl_diu_fb.c index 35ed938bef..0709849048 100644 --- a/drivers/video/fsl_diu_fb.c +++ b/drivers/video/fsl_diu_fb.c @@ -1,6 +1,7 @@ /* - * Copyright 2007, 2010 Freescale Semiconductor, Inc. - * York Sun <yorksun@freescale.com> + * Copyright 2007, 2010-2011 Freescale Semiconductor, Inc. + * Authors: York Sun <yorksun@freescale.com> + * Timur Tabi <timur@freescale.com> * * FSL DIU Framebuffer driver * @@ -24,12 +25,42 @@ */ #include <common.h> -#include <i2c.h> #include <malloc.h> #include <asm/io.h> +#include "videomodes.h" +#include <video_fb.h> #include <fsl_diu_fb.h> +struct fb_var_screeninfo { + unsigned int xres; /* visible resolution */ + unsigned int yres; + + unsigned int bits_per_pixel; /* guess what */ + + /* Timing: All values in pixclocks, except pixclock (of course) */ + unsigned int pixclock; /* pixel clock in ps (pico seconds) */ + unsigned int left_margin; /* time from sync to picture */ + unsigned int right_margin; /* time from picture to sync */ + unsigned int upper_margin; /* time from sync to picture */ + unsigned int lower_margin; + unsigned int hsync_len; /* length of horizontal sync */ + unsigned int vsync_len; /* length of vertical sync */ + unsigned int sync; /* see FB_SYNC_* */ + unsigned int vmode; /* see FB_VMODE_* */ + unsigned int rotate; /* angle we rotate counter clockwise */ +}; + +struct fb_info { + struct fb_var_screeninfo var; /* Current var */ + unsigned int smem_len; /* Length of frame buffer mem */ + unsigned int type; /* see FB_TYPE_* */ + unsigned int line_length; /* length of a line in bytes */ + + void *screen_base; + unsigned long screen_size; +}; + struct fb_videomode { const char *name; /* optional */ unsigned int refresh; /* optional */ @@ -53,6 +84,7 @@ struct fb_videomode { /* This setting is used for the ifm pdm360ng with PRIMEVIEW PM070WL3 */ static struct fb_videomode fsl_diu_mode_800 = { + .name = "800x600-60", .refresh = 60, .xres = 800, .yres = 480, @@ -74,6 +106,7 @@ static struct fb_videomode fsl_diu_mode_800 = { * hsync 31.5kHz, vsync 60Hz */ static struct fb_videomode fsl_diu_mode_1024 = { + .name = "1024x768-60", .refresh = 60, .xres = 1024, .yres = 768, @@ -109,120 +142,137 @@ static struct fb_videomode fsl_diu_mode_1280 = { */ struct diu_ad { /* Word 0(32-bit) in DDR memory */ - unsigned int pix_fmt; /* hard coding pixel format */ + __le32 pix_fmt; /* hard coding pixel format */ /* Word 1(32-bit) in DDR memory */ - unsigned int addr; + __le32 addr; /* Word 2(32-bit) in DDR memory */ - unsigned int src_size_g_alpha; + __le32 src_size_g_alpha; /* Word 3(32-bit) in DDR memory */ - unsigned int aoi_size; + __le32 aoi_size; /* Word 4(32-bit) in DDR memory */ - unsigned int offset_xyi; + __le32 offset_xyi; /* Word 5(32-bit) in DDR memory */ - unsigned int offset_xyd; + __le32 offset_xyd; /* Word 6(32-bit) in DDR memory */ - unsigned int ckmax_r:8; - unsigned int ckmax_g:8; - unsigned int ckmax_b:8; - unsigned int res9:8; + __le32 ckmax_r:8; + __le32 ckmax_g:8; + __le32 ckmax_b:8; + __le32 res9:8; /* Word 7(32-bit) in DDR memory */ - unsigned int ckmin_r:8; - unsigned int ckmin_g:8; - unsigned int ckmin_b:8; - unsigned int res10:8; + __le32 ckmin_r:8; + __le32 ckmin_g:8; + __le32 ckmin_b:8; + __le32 res10:8; /* Word 8(32-bit) in DDR memory */ - unsigned int next_ad; + __le32 next_ad; /* Word 9(32-bit) in DDR memory, just for 64-bit aligned */ - unsigned int res1; - unsigned int res2; - unsigned int res3; -}__attribute__ ((packed)); + __le32 res[3]; +} __attribute__ ((packed)); /* * DIU register map */ struct diu { - unsigned int desc[3]; - unsigned int gamma; - unsigned int pallete; - unsigned int cursor; - unsigned int curs_pos; - unsigned int diu_mode; - unsigned int bgnd; - unsigned int bgnd_wb; - unsigned int disp_size; - unsigned int wb_size; - unsigned int wb_mem_addr; - unsigned int hsyn_para; - unsigned int vsyn_para; - unsigned int syn_pol; - unsigned int thresholds; - unsigned int int_status; - unsigned int int_mask; - unsigned int colorbar[8]; - unsigned int filling; - unsigned int plut; + __be32 desc[3]; + __be32 gamma; + __be32 pallete; + __be32 cursor; + __be32 curs_pos; + __be32 diu_mode; + __be32 bgnd; + __be32 bgnd_wb; + __be32 disp_size; + __be32 wb_size; + __be32 wb_mem_addr; + __be32 hsyn_para; + __be32 vsyn_para; + __be32 syn_pol; + __be32 thresholds; + __be32 int_status; + __be32 int_mask; + __be32 colorbar[8]; + __be32 filling; + __be32 plut; } __attribute__ ((packed)); -struct diu_hw { - struct diu *diu_reg; - volatile unsigned int mode; /* DIU operation mode */ -}; - struct diu_addr { - unsigned char * paddr; /* Virtual address */ - unsigned int offset; + void *vaddr; /* Virtual address */ + u32 paddr; /* 32-bit physical address */ + unsigned int offset; /* Alignment offset */ }; +static struct fb_info info; + /* - * Modes of operation of DIU + * Align to 64-bit(8-byte), 32-byte, etc. */ -#define MFB_MODE0 0 /* DIU off */ -#define MFB_MODE1 1 /* All three planes output to display */ -#define MFB_MODE2 2 /* Plane 1 to display, - * planes 2+3 written back to memory */ -#define MFB_MODE3 3 /* All three planes written back to memory */ -#define MFB_MODE4 4 /* Color bar generation */ - -#define MAX_CURS 32 - -static struct fb_info fsl_fb_info; -static struct diu_addr gamma, cursor; -static struct diu_ad fsl_diu_fb_ad __attribute__ ((aligned(32))); -static struct diu_ad dummy_ad __attribute__ ((aligned(32))); -static unsigned char *dummy_fb; -static struct diu_hw dr = { - .mode = MFB_MODE1, -}; +static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align) +{ + u32 offset, ssize; + u32 mask; -int fb_enabled = 0; -int fb_initialized = 0; -const int default_xres = 1280; -const int default_pixel_format = 0x88882317; + ssize = size + bytes_align; + buf->vaddr = malloc(ssize); + if (!buf->vaddr) + return -1; -static int map_video_memory(struct fb_info *info, unsigned long bytes_align); -static void enable_lcdc(void); -static void disable_lcdc(void); -static int fsl_diu_enable_panel(struct fb_info *info); -static int fsl_diu_disable_panel(struct fb_info *info); -static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align); -void diu_set_pixel_clock(unsigned int pixclock); + memset(buf->vaddr, 0, ssize); + mask = bytes_align - 1; + offset = (u32)buf->vaddr & mask; + if (offset) { + buf->offset = bytes_align - offset; + buf->vaddr += offset; + } else + buf->offset = 0; -int fsl_diu_init(int xres, unsigned int pixel_format, int gamma_fix) + buf->paddr = virt_to_phys(buf->vaddr); + return 0; +} + +/* + * Allocate a framebuffer and an Area Descriptor that points to it. Both + * are created in the same memory block. The Area Descriptor is updated to + * point to the framebuffer memory. Memory is aligned as needed. + */ +static struct diu_ad *allocate_fb(unsigned int xres, unsigned int yres, + unsigned int depth, void **fb) { - struct fb_videomode *fsl_diu_mode_db; - struct diu_ad *ad = &fsl_diu_fb_ad; - struct diu *hw; - struct fb_info *info = &fsl_fb_info; - struct fb_var_screeninfo *var = &info->var; - unsigned char *gamma_table_base; - unsigned int i, j; + unsigned long size = xres * yres * depth; + struct diu_addr addr; + struct diu_ad *ad; + size_t ad_size = roundup(sizeof(struct diu_ad), 32); + + /* + * Allocate a memory block that holds the Area Descriptor and the + * frame buffer right behind it. To keep the code simple, everything + * is aligned on a 32-byte address. + */ + if (allocate_buf(&addr, ad_size + size, 32) < 0) + return NULL; - debug("Enter fsl_diu_init\n"); - dr.diu_reg = (struct diu *) (CONFIG_SYS_DIU_ADDR); - hw = (struct diu *) dr.diu_reg; + ad = addr.vaddr; + ad->addr = cpu_to_le32(addr.paddr + ad_size); + ad->aoi_size = cpu_to_le32((yres << 16) | xres); + ad->src_size_g_alpha = cpu_to_le32((yres << 12) | xres); + ad->offset_xyi = 0; + ad->offset_xyd = 0; - disable_lcdc(); + if (fb) + *fb = addr.vaddr + ad_size; + + return ad; +} + +int fsl_diu_init(int xres, u32 pixel_format, int gamma_fix) +{ + struct fb_videomode *fsl_diu_mode_db; + struct diu_ad *ad; + struct diu *hw = (struct diu *)CONFIG_SYS_DIU_ADDR; + u8 *gamma_table_base; + unsigned int i, j; + struct diu_ad *dummy_ad; + struct diu_addr gamma; + struct diu_addr cursor; switch (xres) { case 800: @@ -235,65 +285,40 @@ int fsl_diu_init(int xres, unsigned int pixel_format, int gamma_fix) fsl_diu_mode_db = &fsl_diu_mode_1024; } - if (0 == fb_initialized) { - allocate_buf(&gamma, 768, 32); - debug("gamma is allocated @ 0x%x\n", - (unsigned int)gamma.paddr); - allocate_buf(&cursor, MAX_CURS * MAX_CURS * 2, 32); - debug("curosr is allocated @ 0x%x\n", - (unsigned int)cursor.paddr); - - /* create a dummy fb and dummy ad */ - dummy_fb = malloc(64); - if (NULL == dummy_fb) { - printf("Cannot allocate dummy fb\n"); - return -1; - } - dummy_ad.addr = cpu_to_le32((unsigned int)dummy_fb); - dummy_ad.pix_fmt = 0x88882317; - dummy_ad.src_size_g_alpha = 0x04400000; /* alpha = 0 */ - dummy_ad.aoi_size = 0x02000400; - dummy_ad.offset_xyi = 0; - dummy_ad.offset_xyd = 0; - dummy_ad.next_ad = 0; - /* Memory allocation for framebuffer */ - if (map_video_memory(info, 32)) { - printf("Unable to allocate fb memory 1\n"); - return -1; - } + /* The AD struct for the dummy framebuffer and the FB itself */ + dummy_ad = allocate_fb(2, 4, 4, NULL); + if (!dummy_ad) { + printf("DIU: Out of memory\n"); + return -1; } - - memset(info->screen_base, 0, info->smem_len); - - out_be32(&dr.diu_reg->desc[0], (int)&dummy_ad); - out_be32(&dr.diu_reg->desc[1], (int)&dummy_ad); - out_be32(&dr.diu_reg->desc[2], (int)&dummy_ad); - debug("dummy dr.diu_reg->desc[0] = 0x%x\n", dr.diu_reg->desc[0]); - debug("dummy desc[0] = 0x%x\n", hw->desc[0]); + dummy_ad->pix_fmt = 0x88883316; /* read mode info */ - var->xres = fsl_diu_mode_db->xres; - var->yres = fsl_diu_mode_db->yres; - var->bits_per_pixel = 32; - var->pixclock = fsl_diu_mode_db->pixclock; - var->left_margin = fsl_diu_mode_db->left_margin; - var->right_margin = fsl_diu_mode_db->right_margin; - var->upper_margin = fsl_diu_mode_db->upper_margin; - var->lower_margin = fsl_diu_mode_db->lower_margin; - var->hsync_len = fsl_diu_mode_db->hsync_len; - var->vsync_len = fsl_diu_mode_db->vsync_len; - var->sync = fsl_diu_mode_db->sync; - var->vmode = fsl_diu_mode_db->vmode; - info->line_length = var->xres * var->bits_per_pixel / 8; + info.var.xres = fsl_diu_mode_db->xres; + info.var.yres = fsl_diu_mode_db->yres; + info.var.bits_per_pixel = 32; + info.var.pixclock = fsl_diu_mode_db->pixclock; + info.var.left_margin = fsl_diu_mode_db->left_margin; + info.var.right_margin = fsl_diu_mode_db->right_margin; + info.var.upper_margin = fsl_diu_mode_db->upper_margin; + info.var.lower_margin = fsl_diu_mode_db->lower_margin; + info.var.hsync_len = fsl_diu_mode_db->hsync_len; + info.var.vsync_len = fsl_diu_mode_db->vsync_len; + info.var.sync = fsl_diu_mode_db->sync; + info.var.vmode = fsl_diu_mode_db->vmode; + info.line_length = info.var.xres * info.var.bits_per_pixel / 8; + + /* Memory allocation for framebuffer */ + info.smem_len = + info.var.xres * info.var.yres * (info.var.bits_per_pixel / 8); + ad = allocate_fb(info.var.xres, info.var.yres, + info.var.bits_per_pixel / 8, &info.screen_base); + if (!ad) { + printf("DIU: Out of memory\n"); + return -1; + } ad->pix_fmt = pixel_format; - ad->addr = cpu_to_le32((unsigned int)info->screen_base); - ad->src_size_g_alpha - = cpu_to_le32((var->yres << 12) | var->xres); - /* fix me. AOI should not be greater than display size */ - ad->aoi_size = cpu_to_le32(( var->yres << 16) | var->xres); - ad->offset_xyi = 0; - ad->offset_xyd = 0; /* Disable chroma keying function */ ad->ckmax_r = 0; @@ -304,195 +329,91 @@ int fsl_diu_init(int xres, unsigned int pixel_format, int gamma_fix) ad->ckmin_g = 255; ad->ckmin_b = 255; - gamma_table_base = gamma.paddr; - debug("gamma_table_base is allocated @ 0x%x\n", - (unsigned int)gamma_table_base); - - /* Prep for DIU init - gamma table */ - + /* Initialize the gamma table */ + if (allocate_buf(&gamma, 256 * 3, 32) < 0) { + printf("DIU: Out of memory\n"); + return -1; + } + gamma_table_base = gamma.vaddr; for (i = 0; i <= 2; i++) - for (j = 0; j <= 255; j++) + for (j = 0; j < 256; j++) *gamma_table_base++ = j; if (gamma_fix == 1) { /* fix the gamma */ - debug("Fix gamma table\n"); - gamma_table_base = gamma.paddr; - for (i = 0; i < 256*3; i++) { + gamma_table_base = gamma.vaddr; + for (i = 0; i < 256 * 3; i++) { gamma_table_base[i] = (gamma_table_base[i] << 2) | ((gamma_table_base[i] >> 6) & 0x03); } } - debug("update-lcdc: HW - %p\n Disabling DIU\n", hw); + /* Initialize the cursor */ + if (allocate_buf(&cursor, 32 * 32 * 2, 32) < 0) { + printf("DIU: Can't alloc cursor data\n"); + return -1; + } /* Program DIU registers */ + out_be32(&hw->diu_mode, 0); /* Temporarily disable the DIU */ - out_be32(&hw->gamma, (int)gamma.paddr); - out_be32(&hw->cursor, (int)cursor.paddr); + out_be32(&hw->gamma, gamma.paddr); + out_be32(&hw->cursor, cursor.paddr); out_be32(&hw->bgnd, 0x007F7F7F); - out_be32(&hw->bgnd_wb, 0); /* BGND_WB */ - out_be32(&hw->disp_size, var->yres << 16 | var->xres); /* DISP SIZE */ - out_be32(&hw->wb_size, 0); /* WB SIZE */ - out_be32(&hw->wb_mem_addr, 0); /* WB MEM ADDR */ - out_be32(&hw->hsyn_para, var->left_margin << 22 | /* BP_H */ - var->hsync_len << 11 | /* PW_H */ - var->right_margin); /* FP_H */ - - out_be32(&hw->vsyn_para, var->upper_margin << 22 | /* BP_V */ - var->vsync_len << 11 | /* PW_V */ - var->lower_margin); /* FP_V */ - - out_be32(&hw->syn_pol, 0); /* SYNC SIGNALS POLARITY */ - out_be32(&hw->thresholds, 0x00037800); /* The Thresholds */ - out_be32(&hw->int_status, 0); /* INTERRUPT STATUS */ - out_be32(&hw->int_mask, 0); /* INT MASK */ + out_be32(&hw->bgnd_wb, 0); + out_be32(&hw->disp_size, info.var.yres << 16 | info.var.xres); + out_be32(&hw->wb_size, 0); + out_be32(&hw->wb_mem_addr, 0); + out_be32(&hw->hsyn_para, info.var.left_margin << 22 | + info.var.hsync_len << 11 | + info.var.right_margin); + + out_be32(&hw->vsyn_para, info.var.upper_margin << 22 | + info.var.vsync_len << 11 | + info.var.lower_margin); + + out_be32(&hw->syn_pol, 0); + out_be32(&hw->thresholds, 0x00037800); + out_be32(&hw->int_status, 0); + out_be32(&hw->int_mask, 0); out_be32(&hw->plut, 0x01F5F666); /* Pixel Clock configuration */ - debug("DIU pixclock in ps - %d\n", var->pixclock); - diu_set_pixel_clock(var->pixclock); - - fb_initialized = 1; - - /* Enable the DIU */ - fsl_diu_enable_panel(info); - enable_lcdc(); - - return 0; -} - -char *fsl_fb_open(struct fb_info **info) -{ - *info = &fsl_fb_info; - return fsl_fb_info.screen_base; -} - -void fsl_diu_close(void) -{ - struct fb_info *info = &fsl_fb_info; - fsl_diu_disable_panel(info); -} + diu_set_pixel_clock(info.var.pixclock); -static int fsl_diu_enable_panel(struct fb_info *info) -{ - struct diu *hw = dr.diu_reg; - struct diu_ad *ad = &fsl_diu_fb_ad; - - debug("Entered: enable_panel\n"); - if (in_be32(&hw->desc[0]) != (unsigned)ad) - out_be32(&hw->desc[0], (unsigned)ad); - debug("desc[0] = 0x%x\n", hw->desc[0]); - return 0; -} + /* Set the frame buffers */ + out_be32(&hw->desc[0], virt_to_phys(ad)); + out_be32(&hw->desc[1], virt_to_phys(dummy_ad)); + out_be32(&hw->desc[2], virt_to_phys(dummy_ad)); -static int fsl_diu_disable_panel(struct fb_info *info) -{ - struct diu *hw = dr.diu_reg; + /* Enable the DIU, set display to all three planes */ + out_be32(&hw->diu_mode, 1); - debug("Entered: disable_panel\n"); - if (in_be32(&hw->desc[0]) != (unsigned)&dummy_ad) - out_be32(&hw->desc[0], (unsigned)&dummy_ad); return 0; } -static int map_video_memory(struct fb_info *info, unsigned long bytes_align) -{ - unsigned long offset; - unsigned long mask; - - debug("Entered: map_video_memory\n"); - /* allocate maximum 1280*1024 with 32bpp */ - info->smem_len = 1280 * 4 *1024 + bytes_align; - debug("MAP_VIDEO_MEMORY: smem_len = %d\n", info->smem_len); - info->screen_base = malloc(info->smem_len); - if (info->screen_base == NULL) { - printf("Unable to allocate fb memory\n"); - return -1; - } - info->smem_start = (unsigned int) info->screen_base; - mask = bytes_align - 1; - offset = (unsigned long)info->screen_base & mask; - if (offset) { - info->screen_base += (bytes_align - offset); - info->smem_len = info->smem_len - (bytes_align - offset); - } else - info->smem_len = info->smem_len - bytes_align; - - info->screen_size = info->smem_len; - - debug("Allocated fb @ 0x%08lx, size=%d.\n", - info->smem_start, info->smem_len); - - return 0; -} - -static void enable_lcdc(void) -{ - struct diu *hw = dr.diu_reg; - - debug("Entered: enable_lcdc, fb_enabled = %d\n", fb_enabled); - if (!fb_enabled) { - out_be32(&hw->diu_mode, dr.mode); - fb_enabled++; - } - debug("diu_mode = %d\n", hw->diu_mode); -} - -static void disable_lcdc(void) -{ - struct diu *hw = dr.diu_reg; - - debug("Entered: disable_lcdc, fb_enabled = %d\n", fb_enabled); - if (fb_enabled) { - out_be32(&hw->diu_mode, 0); - fb_enabled = 0; - } -} - -/* - * Align to 64-bit(8-byte), 32-byte, etc. - */ -static int allocate_buf(struct diu_addr *buf, u32 size, u32 bytes_align) +void *video_hw_init(void) { - u32 offset, ssize; - u32 mask; - - debug("Entered: allocate_buf\n"); - ssize = size + bytes_align; - buf->paddr = malloc(ssize); - if (!buf->paddr) - return -1; - - memset(buf->paddr, 0, ssize); - mask = bytes_align - 1; - offset = (u32)buf->paddr & mask; - if (offset) { - buf->offset = bytes_align - offset; - buf->paddr = (unsigned char *) ((u32)buf->paddr + offset); - } else - buf->offset = 0; - return 0; -} + static GraphicDevice ctfb; + const char *options; + unsigned int depth = 0, freq = 0; -#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) -#include <stdio_dev.h> -#include <video_fb.h> -/* - * The Graphic Device - */ -static GraphicDevice ctfb; + if (!video_get_video_mode(&ctfb.winSizeX, &ctfb.winSizeY, &depth, &freq, + &options)) + return NULL; -void *video_hw_init(void) -{ - struct fb_info *info; + /* Find the monitor port, which is a required option */ + if (!options) + return NULL; + if (strncmp(options, "monitor=", 8) != 0) + return NULL; - if (platform_diu_init(&ctfb.winSizeX, &ctfb.winSizeY) < 0) + if (platform_diu_init(ctfb.winSizeX, ctfb.winSizeY, options + 8) < 0) return NULL; /* fill in Graphic device struct */ sprintf(ctfb.modeIdent, "%ix%ix%i %ikHz %iHz", - ctfb.winSizeX, ctfb.winSizeY, 32, 64, 60); + ctfb.winSizeX, ctfb.winSizeY, depth, 64, freq); - ctfb.frameAdrs = (unsigned int)fsl_fb_open(&info); + ctfb.frameAdrs = (unsigned int)info.screen_base; ctfb.plnSizeX = ctfb.winSizeX; ctfb.plnSizeY = ctfb.winSizeY; @@ -501,7 +422,7 @@ void *video_hw_init(void) ctfb.isaBase = 0; ctfb.pciBase = 0; - ctfb.memSize = info->screen_size; + ctfb.memSize = info.screen_size; /* Cursor Start Address */ ctfb.dprBase = 0; @@ -510,4 +431,3 @@ void *video_hw_init(void) return &ctfb; } -#endif /* defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) */ diff --git a/drivers/video/videomodes.c b/drivers/video/videomodes.c index d27ce1d2cd..6fe5811aec 100644 --- a/drivers/video/videomodes.c +++ b/drivers/video/videomodes.c @@ -1,6 +1,7 @@ /* * (C) Copyright 2004 * Pierre Aubert, Staubli Faverges , <p.aubert@staubli.com> + * Copyright 2011 Freescale Semiconductor, Inc. * * See file CREDITS for list of people who contributed to this * project. @@ -73,6 +74,8 @@ ****************************************************************************/ #include <common.h> +#include <linux/ctype.h> + #include "videomodes.h" const struct ctfb_vesa_modes vesa_modes[VESA_MODES_COUNT] = { @@ -206,3 +209,64 @@ int video_get_params (struct ctfb_res_modes *pPar, char *penv) } return bpp; } + +/* + * Parse the 'video-mode' environment variable + * + * Example: "video-mode=fslfb:1280x1024-32@60,monitor=dvi". See + * doc/README.video for more information on how to set the variable. + * + * @xres: returned value of X-resolution + * @yres: returned value of Y-resolution + * @depth: returned value of color depth + * @freq: returned value of monitor frequency + * @options: pointer to any remaining options, or NULL + * + * Returns 1 if valid values were found, 0 otherwise + */ +int video_get_video_mode(unsigned int *xres, unsigned int *yres, + unsigned int *depth, unsigned int *freq, const char **options) +{ + char *p = getenv("video-mode"); + if (!p) + return 0; + + /* Skip over the driver name, which we don't care about. */ + p = strchr(p, ':'); + if (!p) + return 0; + + /* Get the X-resolution*/ + while (*p && !isdigit(*p)) + p++; + *xres = simple_strtoul(p, &p, 10); + if (!*xres) + return 0; + + /* Get the Y-resolution */ + while (*p && !isdigit(*p)) + p++; + *yres = simple_strtoul(p, &p, 10); + if (!*yres) + return 0; + + /* Get the depth */ + while (*p && !isdigit(*p)) + p++; + *depth = simple_strtoul(p, &p, 10); + if (!*depth) + return 0; + + /* Get the frequency */ + while (*p && !isdigit(*p)) + p++; + *freq = simple_strtoul(p, &p, 10); + if (!*freq) + return 0; + + /* Find the extra options, if any */ + p = strchr(p, ','); + *options = p ? p + 1 : NULL; + + return 1; +} diff --git a/drivers/video/videomodes.h b/drivers/video/videomodes.h index 0d7c335410..e546ab44f1 100644 --- a/drivers/video/videomodes.h +++ b/drivers/video/videomodes.h @@ -86,3 +86,6 @@ extern const struct ctfb_vesa_modes vesa_modes[]; extern const struct ctfb_res_modes res_mode_init[]; int video_get_params (struct ctfb_res_modes *pPar, char *penv); + +int video_get_video_mode(unsigned int *xres, unsigned int *yres, + unsigned int *depth, unsigned int *freq, const char **options); |