diff options
author | Stefano Babic <sbabic@denx.de> | 2014-08-11 10:21:03 +0200 |
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committer | Stefano Babic <sbabic@denx.de> | 2014-08-11 10:21:03 +0200 |
commit | e82abaeb7f2a0833fccf90460c48b9f2100258f8 (patch) | |
tree | de701f5c90b7373966412d566b5c00d3837954bc /drivers | |
parent | f93f21906e374d46c6abfbdf4eb9cb1ab51b6384 (diff) | |
parent | 1899fac925eda817e12234aef3d01d354788662e (diff) | |
download | u-boot-imx-e82abaeb7f2a0833fccf90460c48b9f2100258f8.zip u-boot-imx-e82abaeb7f2a0833fccf90460c48b9f2100258f8.tar.gz u-boot-imx-e82abaeb7f2a0833fccf90460c48b9f2100258f8.tar.bz2 |
Merge branch 'master' of git://git.denx.de/u-boot-arm
Conflicts:
boards.cfg
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers')
29 files changed, 1056 insertions, 45 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index 4df8046..dce99ad 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -129,6 +129,14 @@ int __weak ahci_link_up(struct ahci_probe_ent *probe_ent, u8 port) return 1; } +#ifdef CONFIG_SUNXI_AHCI +/* The sunxi AHCI controller requires this undocumented setup */ +static void sunxi_dma_init(volatile u8 *port_mmio) +{ + clrsetbits_le32(port_mmio + PORT_P0DMACR, 0x0000ff00, 0x00004400); +} +#endif + static int ahci_host_init(struct ahci_probe_ent *probe_ent) { #ifndef CONFIG_SCSI_AHCI_PLAT @@ -213,6 +221,10 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) msleep(500); } +#ifdef CONFIG_SUNXI_AHCI + sunxi_dma_init(port_mmio); +#endif + /* Add the spinup command to whatever mode bits may * already be on in the command register. */ @@ -545,6 +557,10 @@ static int ahci_port_start(u8 port) writel_with_flush(pp->rx_fis, port_mmio + PORT_FIS_ADDR); +#ifdef CONFIG_SUNXI_AHCI + sunxi_dma_init(port_mmio); +#endif + writel_with_flush(PORT_CMD_ICC_ACTIVE | PORT_CMD_FIS_RX | PORT_CMD_POWER_ON | PORT_CMD_SPIN_UP | PORT_CMD_START, port_mmio + PORT_CMD); diff --git a/drivers/bootcount/bootcount.c b/drivers/bootcount/bootcount.c index 3ad4413..e0343f7 100644 --- a/drivers/bootcount/bootcount.c +++ b/drivers/bootcount/bootcount.c @@ -36,7 +36,7 @@ #endif /* defined(CONFIG_MPC8260) */ #if defined(CONFIG_QE) -#include <asm/immap_qe.h> +#include <linux/immap_qe.h> #define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + 0x110000 + \ QE_MURAM_SIZE - 2 * sizeof(u32)) diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c index dcf6287..04e4178 100644 --- a/drivers/ddr/fsl/ctrl_regs.c +++ b/drivers/ddr/fsl/ctrl_regs.c @@ -1857,6 +1857,9 @@ static void set_timing_cfg_8(fsl_ddr_cfg_regs_t *ddr, acttoact_bg = picos_to_mclk(common_dimm->trrdl_ps); wrtord_bg = max(4, picos_to_mclk(7500)); + if (popts->otf_burst_chop_en) + wrtord_bg += 2; + pre_all_rec = 0; ddr->timing_cfg_8 = (0 diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index 7cd878a..bfc76b3 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -8,6 +8,7 @@ #include <asm/io.h> #include <fsl_ddr_sdram.h> #include <asm/processor.h> +#include <fsl_immap.h> #include <fsl_ddr.h> #if (CONFIG_CHIP_SELECTS_PER_CTRL > 4) @@ -183,12 +184,14 @@ step2: * we choose the max, that is 500 us for all of case. */ udelay(500); - asm volatile("sync;isync"); + mb(); + isb(); /* Let the controller go */ temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); - asm volatile("sync;isync"); + mb(); + isb(); total_gb_size_per_controller = 0; for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { diff --git a/drivers/misc/cros_ec_spi.c b/drivers/misc/cros_ec_spi.c index 7df709c..015333f 100644 --- a/drivers/misc/cros_ec_spi.c +++ b/drivers/misc/cros_ec_spi.c @@ -98,7 +98,7 @@ int cros_ec_spi_command(struct cros_ec_dev *dev, uint8_t cmd, int cmd_version, } out = dev->dout; - out[0] = cmd_version; + out[0] = EC_CMD_VERSION0 + cmd_version; out[1] = cmd; out[2] = (uint8_t)dout_len; memcpy(out + 3, dout, dout_len); @@ -165,7 +165,7 @@ int cros_ec_spi_decode_fdt(struct cros_ec_dev *dev, const void *blob) */ int cros_ec_spi_init(struct cros_ec_dev *dev, const void *blob) { - dev->spi = spi_setup_slave_fdt(blob, dev->parent_node, dev->node); + dev->spi = spi_setup_slave_fdt(blob, dev->node, dev->parent_node); if (!dev->spi) { debug("%s: Could not setup SPI slave\n", __func__); return -1; diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 34febf5..464cee1 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_PXA_MMC_GENERIC) += pxa_mmc_gen.o obj-$(CONFIG_SDHCI) += sdhci.o obj-$(CONFIG_BCM2835_SDHCI) += bcm2835_sdhci.o obj-$(CONFIG_KONA_SDHCI) += kona_sdhci.o +obj-$(CONFIG_S3C_SDI) += s3c_sdi.o obj-$(CONFIG_S5P_SDHCI) += s5p_sdhci.o obj-$(CONFIG_SH_MMCIF) += sh_mmcif.o obj-$(CONFIG_SPEAR_SDHCI) += spear_sdhci.o @@ -37,3 +38,4 @@ obj-$(CONFIG_SPL_MMC_BOOT) += fsl_esdhc_spl.o else obj-$(CONFIG_GENERIC_MMC) += mmc_write.o endif +obj-$(CONFIG_MVEBU_MMC) += mvebu_mmc.o diff --git a/drivers/mmc/bcm2835_sdhci.c b/drivers/mmc/bcm2835_sdhci.c index 54cfabf..82079d6 100644 --- a/drivers/mmc/bcm2835_sdhci.c +++ b/drivers/mmc/bcm2835_sdhci.c @@ -179,7 +179,7 @@ int bcm2835_sdhci_init(u32 regbase, u32 emmc_freq) host->name = "bcm2835_sdhci"; host->ioaddr = (void *)regbase; host->quirks = SDHCI_QUIRK_BROKEN_VOLTAGE | SDHCI_QUIRK_BROKEN_R1B | - SDHCI_QUIRK_WAIT_SEND_CMD; + SDHCI_QUIRK_WAIT_SEND_CMD | SDHCI_QUIRK_NO_HISPD_BIT; host->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; host->ops = &bcm2835_ops; diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 5bf36a0..0df30bc 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -245,7 +245,10 @@ static int dwmci_setup_bus(struct dwmci_host *host, u32 freq) return -EINVAL; } - div = DIV_ROUND_UP(sclk, 2 * freq); + if (sclk == freq) + div = 0; /* bypass mode */ + else + div = DIV_ROUND_UP(sclk, 2 * freq); dwmci_writel(host, DWMCI_CLKENA, 0); dwmci_writel(host, DWMCI_CLKSRC, 0); diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c index a57a9b1..45bcffb 100644 --- a/drivers/mmc/gen_atmel_mci.c +++ b/drivers/mmc/gen_atmel_mci.c @@ -58,30 +58,61 @@ static void mci_set_mode(struct mmc *mmc, u32 hz, u32 blklen) atmel_mci_t *mci = mmc->priv; u32 bus_hz = get_mci_clk_rate(); u32 clkdiv = 255; + unsigned int version = atmel_mci_get_version(mci); + u32 clkodd = 0; + u32 mr; debug("mci: bus_hz is %u, setting clock %u Hz, block size %u\n", bus_hz, hz, blklen); if (hz > 0) { - /* find lowest clkdiv yielding a rate <= than requested */ - for (clkdiv=0; clkdiv<255; clkdiv++) { - if ((bus_hz / (clkdiv+1) / 2) <= hz) - break; + if (version >= 0x500) { + clkdiv = DIV_ROUND_UP(bus_hz, hz) - 2; + if (clkdiv > 511) + clkdiv = 511; + + clkodd = clkdiv & 1; + clkdiv >>= 1; + + printf("mci: setting clock %u Hz, block size %u\n", + bus_hz / (clkdiv * 2 + clkodd + 2), blklen); + } else { + /* find clkdiv yielding a rate <= than requested */ + for (clkdiv = 0; clkdiv < 255; clkdiv++) { + if ((bus_hz / (clkdiv + 1) / 2) <= hz) + break; + } + printf("mci: setting clock %u Hz, block size %u\n", + (bus_hz / (clkdiv + 1)) / 2, blklen); + } } - printf("mci: setting clock %u Hz, block size %u\n", - (bus_hz / (clkdiv+1)) / 2, blklen); blklen &= 0xfffc; - /* On some platforms RDPROOF and WRPROOF are ignored */ - writel((MMCI_BF(CLKDIV, clkdiv) - | MMCI_BF(BLKLEN, blklen) - | MMCI_BIT(RDPROOF) - | MMCI_BIT(WRPROOF)), &mci->mr); + + mr = MMCI_BF(CLKDIV, clkdiv); + + /* MCI IP version >= 0x200 has R/WPROOF */ + if (version >= 0x200) + mr |= MMCI_BIT(RDPROOF) | MMCI_BIT(WRPROOF); + /* - * On some new platforms BLKLEN in mci->mr is ignored. - * Should use the BLKLEN in the block register. + * MCI IP version >= 0x500 use bit 16 as clkodd. + * MCI IP version < 0x500 use upper 16 bits for blklen. */ - writel(MMCI_BF(BLKLEN, blklen), &mci->blkr); + if (version >= 0x500) + mr |= MMCI_BF(CLKODD, clkodd); + else + mr |= MMCI_BF(BLKLEN, blklen); + + writel(mr, &mci->mr); + + /* MCI IP version >= 0x200 has blkr */ + if (version >= 0x200) + writel(MMCI_BF(BLKLEN, blklen), &mci->blkr); + + if (mmc->card_caps & mmc->cfg->host_caps & MMC_MODE_HS) + writel(MMCI_BIT(HSMODE), &mci->cfg); + initialized = 1; } @@ -376,8 +407,10 @@ int atmel_mci_init(void *regs) /* need to be able to pass these in on a board by board basis */ cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; version = atmel_mci_get_version(mci); - if ((version & 0xf00) >= 0x300) + if ((version & 0xf00) >= 0x300) { cfg->host_caps = MMC_MODE_8BIT; + cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz; + } cfg->host_caps |= MMC_MODE_4BIT; diff --git a/drivers/mmc/mvebu_mmc.c b/drivers/mmc/mvebu_mmc.c new file mode 100644 index 0000000..9759198 --- /dev/null +++ b/drivers/mmc/mvebu_mmc.c @@ -0,0 +1,361 @@ +/* + * Marvell MMC/SD/SDIO driver + * + * (C) Copyright 2012 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Maen Suleiman, Gerald Kerma + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <malloc.h> +#include <part.h> +#include <mmc.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/kirkwood.h> +#include <mvebu_mmc.h> + +#define DRIVER_NAME "MVEBU_MMC" + +static void mvebu_mmc_write(u32 offs, u32 val) +{ + writel(val, CONFIG_SYS_MMC_BASE + (offs)); +} + +static u32 mvebu_mmc_read(u32 offs) +{ + return readl(CONFIG_SYS_MMC_BASE + (offs)); +} + +static int mvebu_mmc_setup_data(struct mmc_data *data) +{ + u32 ctrl_reg; + + debug("%s, data %s : blocks=%d blksz=%d\n", DRIVER_NAME, + (data->flags & MMC_DATA_READ) ? "read" : "write", + data->blocks, data->blocksize); + + /* default to maximum timeout */ + ctrl_reg = mvebu_mmc_read(SDIO_HOST_CTRL); + ctrl_reg |= SDIO_HOST_CTRL_TMOUT(SDIO_HOST_CTRL_TMOUT_MAX); + mvebu_mmc_write(SDIO_HOST_CTRL, ctrl_reg); + + if (data->flags & MMC_DATA_READ) { + mvebu_mmc_write(SDIO_SYS_ADDR_LOW, (u32)data->dest & 0xffff); + mvebu_mmc_write(SDIO_SYS_ADDR_HI, (u32)data->dest >> 16); + } else { + mvebu_mmc_write(SDIO_SYS_ADDR_LOW, (u32)data->src & 0xffff); + mvebu_mmc_write(SDIO_SYS_ADDR_HI, (u32)data->src >> 16); + } + + mvebu_mmc_write(SDIO_BLK_COUNT, data->blocks); + mvebu_mmc_write(SDIO_BLK_SIZE, data->blocksize); + + return 0; +} + +static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + int timeout = 10; + ushort waittype = 0; + ushort resptype = 0; + ushort xfertype = 0; + ushort resp_indx = 0; + + debug("cmdidx [0x%x] resp_type[0x%x] cmdarg[0x%x]\n", + cmd->cmdidx, cmd->resp_type, cmd->cmdarg); + + udelay(10*1000); + + debug("%s: cmd %d (hw state 0x%04x)\n", DRIVER_NAME, + cmd->cmdidx, mvebu_mmc_read(SDIO_HW_STATE)); + + /* Checking if card is busy */ + while ((mvebu_mmc_read(SDIO_HW_STATE) & CARD_BUSY)) { + if (timeout == 0) { + printf("%s: card busy!\n", DRIVER_NAME); + return -1; + } + timeout--; + udelay(1000); + } + + /* Set up for a data transfer if we have one */ + if (data) { + int err = mvebu_mmc_setup_data(data); + + if (err) + return err; + } + + resptype = SDIO_CMD_INDEX(cmd->cmdidx); + + /* Analyzing resptype/xfertype/waittype for the command */ + if (cmd->resp_type & MMC_RSP_BUSY) + resptype |= SDIO_CMD_RSP_48BUSY; + else if (cmd->resp_type & MMC_RSP_136) + resptype |= SDIO_CMD_RSP_136; + else if (cmd->resp_type & MMC_RSP_PRESENT) + resptype |= SDIO_CMD_RSP_48; + else + resptype |= SDIO_CMD_RSP_NONE; + + if (cmd->resp_type & MMC_RSP_CRC) + resptype |= SDIO_CMD_CHECK_CMDCRC; + + if (cmd->resp_type & MMC_RSP_OPCODE) + resptype |= SDIO_CMD_INDX_CHECK; + + if (cmd->resp_type & MMC_RSP_PRESENT) { + resptype |= SDIO_UNEXPECTED_RESP; + waittype |= SDIO_NOR_UNEXP_RSP; + } + + if (data) { + resptype |= SDIO_CMD_DATA_PRESENT | SDIO_CMD_CHECK_DATACRC16; + xfertype |= SDIO_XFER_MODE_HW_WR_DATA_EN; + if (data->flags & MMC_DATA_READ) { + xfertype |= SDIO_XFER_MODE_TO_HOST; + waittype = SDIO_NOR_DMA_INI; + } else { + waittype |= SDIO_NOR_XFER_DONE; + } + } else { + waittype |= SDIO_NOR_CMD_DONE; + } + + /* Setting cmd arguments */ + mvebu_mmc_write(SDIO_ARG_LOW, cmd->cmdarg & 0xffff); + mvebu_mmc_write(SDIO_ARG_HI, cmd->cmdarg >> 16); + + /* Setting Xfer mode */ + mvebu_mmc_write(SDIO_XFER_MODE, xfertype); + + mvebu_mmc_write(SDIO_NOR_INTR_STATUS, ~SDIO_NOR_CARD_INT); + mvebu_mmc_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK); + + /* Sending command */ + mvebu_mmc_write(SDIO_CMD, resptype); + + mvebu_mmc_write(SDIO_NOR_INTR_EN, SDIO_POLL_MASK); + mvebu_mmc_write(SDIO_ERR_INTR_EN, SDIO_POLL_MASK); + + /* Waiting for completion */ + timeout = 1000000; + + while (!((mvebu_mmc_read(SDIO_NOR_INTR_STATUS)) & waittype)) { + if (mvebu_mmc_read(SDIO_NOR_INTR_STATUS) & SDIO_NOR_ERROR) { + debug("%s: error! cmdidx : %d, err reg: %04x\n", + DRIVER_NAME, cmd->cmdidx, + mvebu_mmc_read(SDIO_ERR_INTR_STATUS)); + if (mvebu_mmc_read(SDIO_ERR_INTR_STATUS) & + (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT)) + return TIMEOUT; + return COMM_ERR; + } + + timeout--; + udelay(1); + if (timeout <= 0) { + printf("%s: command timed out\n", DRIVER_NAME); + return TIMEOUT; + } + } + + /* Handling response */ + if (cmd->resp_type & MMC_RSP_136) { + uint response[8]; + + for (resp_indx = 0; resp_indx < 8; resp_indx++) + response[resp_indx] + = mvebu_mmc_read(SDIO_RSP(resp_indx)); + + cmd->response[0] = ((response[0] & 0x03ff) << 22) | + ((response[1] & 0xffff) << 6) | + ((response[2] & 0xfc00) >> 10); + cmd->response[1] = ((response[2] & 0x03ff) << 22) | + ((response[3] & 0xffff) << 6) | + ((response[4] & 0xfc00) >> 10); + cmd->response[2] = ((response[4] & 0x03ff) << 22) | + ((response[5] & 0xffff) << 6) | + ((response[6] & 0xfc00) >> 10); + cmd->response[3] = ((response[6] & 0x03ff) << 22) | + ((response[7] & 0x3fff) << 8); + } else if (cmd->resp_type & MMC_RSP_PRESENT) { + uint response[3]; + + for (resp_indx = 0; resp_indx < 3; resp_indx++) + response[resp_indx] + = mvebu_mmc_read(SDIO_RSP(resp_indx)); + + cmd->response[0] = ((response[2] & 0x003f) << (8 - 8)) | + ((response[1] & 0xffff) << (14 - 8)) | + ((response[0] & 0x03ff) << (30 - 8)); + cmd->response[1] = ((response[0] & 0xfc00) >> 10); + cmd->response[2] = 0; + cmd->response[3] = 0; + } + + debug("%s: resp[0x%x] ", DRIVER_NAME, cmd->resp_type); + debug("[0x%x] ", cmd->response[0]); + debug("[0x%x] ", cmd->response[1]); + debug("[0x%x] ", cmd->response[2]); + debug("[0x%x] ", cmd->response[3]); + debug("\n"); + + return 0; +} + +static void mvebu_mmc_power_up(void) +{ + debug("%s: power up\n", DRIVER_NAME); + + /* disable interrupts */ + mvebu_mmc_write(SDIO_NOR_INTR_EN, 0); + mvebu_mmc_write(SDIO_ERR_INTR_EN, 0); + + /* SW reset */ + mvebu_mmc_write(SDIO_SW_RESET, SDIO_SW_RESET_NOW); + + mvebu_mmc_write(SDIO_XFER_MODE, 0); + + /* enable status */ + mvebu_mmc_write(SDIO_NOR_STATUS_EN, SDIO_POLL_MASK); + mvebu_mmc_write(SDIO_ERR_STATUS_EN, SDIO_POLL_MASK); + + /* enable interrupts status */ + mvebu_mmc_write(SDIO_NOR_INTR_STATUS, SDIO_POLL_MASK); + mvebu_mmc_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK); +} + +static void mvebu_mmc_set_clk(unsigned int clock) +{ + unsigned int m; + + if (clock == 0) { + debug("%s: clock off\n", DRIVER_NAME); + mvebu_mmc_write(SDIO_XFER_MODE, SDIO_XFER_MODE_STOP_CLK); + mvebu_mmc_write(SDIO_CLK_DIV, MVEBU_MMC_BASE_DIV_MAX); + } else { + m = MVEBU_MMC_BASE_FAST_CLOCK/(2*clock) - 1; + if (m > MVEBU_MMC_BASE_DIV_MAX) + m = MVEBU_MMC_BASE_DIV_MAX; + mvebu_mmc_write(SDIO_CLK_DIV, m & MVEBU_MMC_BASE_DIV_MAX); + } + + udelay(10*1000); +} + +static void mvebu_mmc_set_bus(unsigned int bus) +{ + u32 ctrl_reg = 0; + + ctrl_reg = mvebu_mmc_read(SDIO_HOST_CTRL); + ctrl_reg &= ~SDIO_HOST_CTRL_DATA_WIDTH_4_BITS; + + switch (bus) { + case 4: + ctrl_reg |= SDIO_HOST_CTRL_DATA_WIDTH_4_BITS; + break; + case 1: + default: + ctrl_reg |= SDIO_HOST_CTRL_DATA_WIDTH_1_BIT; + } + + /* default transfer mode */ + ctrl_reg |= SDIO_HOST_CTRL_BIG_ENDIAN; + ctrl_reg &= ~SDIO_HOST_CTRL_LSB_FIRST; + + /* default to maximum timeout */ + ctrl_reg |= SDIO_HOST_CTRL_TMOUT(SDIO_HOST_CTRL_TMOUT_MAX); + + ctrl_reg |= SDIO_HOST_CTRL_PUSH_PULL_EN; + + ctrl_reg |= SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY; + + debug("%s: ctrl 0x%04x: %s %s %s\n", DRIVER_NAME, ctrl_reg, + (ctrl_reg & SDIO_HOST_CTRL_PUSH_PULL_EN) ? + "push-pull" : "open-drain", + (ctrl_reg & SDIO_HOST_CTRL_DATA_WIDTH_4_BITS) ? + "4bit-width" : "1bit-width", + (ctrl_reg & SDIO_HOST_CTRL_HI_SPEED_EN) ? + "high-speed" : ""); + + mvebu_mmc_write(SDIO_HOST_CTRL, ctrl_reg); + udelay(10*1000); +} + +static void mvebu_mmc_set_ios(struct mmc *mmc) +{ + debug("%s: bus[%d] clock[%d]\n", DRIVER_NAME, + mmc->bus_width, mmc->clock); + mvebu_mmc_set_bus(mmc->bus_width); + mvebu_mmc_set_clk(mmc->clock); +} + +static int mvebu_mmc_initialize(struct mmc *mmc) +{ + debug("%s: mvebu_mmc_initialize", DRIVER_NAME); + + /* + * Setting host parameters + * Initial Host Ctrl : Timeout : max , Normal Speed mode, + * 4-bit data mode, Big Endian, SD memory Card, Push_pull CMD Line + */ + mvebu_mmc_write(SDIO_HOST_CTRL, + SDIO_HOST_CTRL_TMOUT(SDIO_HOST_CTRL_TMOUT_MAX) | + SDIO_HOST_CTRL_DATA_WIDTH_4_BITS | + SDIO_HOST_CTRL_BIG_ENDIAN | + SDIO_HOST_CTRL_PUSH_PULL_EN | + SDIO_HOST_CTRL_CARD_TYPE_MEM_ONLY); + + mvebu_mmc_write(SDIO_CLK_CTRL, 0); + + /* enable status */ + mvebu_mmc_write(SDIO_NOR_STATUS_EN, SDIO_POLL_MASK); + mvebu_mmc_write(SDIO_ERR_STATUS_EN, SDIO_POLL_MASK); + + /* disable interrupts */ + mvebu_mmc_write(SDIO_NOR_INTR_EN, 0); + mvebu_mmc_write(SDIO_ERR_INTR_EN, 0); + + /* SW reset */ + mvebu_mmc_write(SDIO_SW_RESET, SDIO_SW_RESET_NOW); + + udelay(10*1000); + + return 0; +} + +static const struct mmc_ops mvebu_mmc_ops = { + .send_cmd = mvebu_mmc_send_cmd, + .set_ios = mvebu_mmc_set_ios, + .init = mvebu_mmc_initialize, +}; + +static struct mmc_config mvebu_mmc_cfg = { + .name = DRIVER_NAME, + .ops = &mvebu_mmc_ops, + .f_min = MVEBU_MMC_BASE_FAST_CLOCK / MVEBU_MMC_BASE_DIV_MAX, + .f_max = MVEBU_MMC_CLOCKRATE_MAX, + .voltages = MMC_VDD_32_33 | MMC_VDD_33_34, + .host_caps = MMC_MODE_4BIT | MMC_MODE_HS, + .part_type = PART_TYPE_DOS, + .b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT, +}; + +int mvebu_mmc_init(bd_t *bis) +{ + struct mmc *mmc; + + mvebu_mmc_power_up(); + + mmc = mmc_create(&mvebu_mmc_cfg, bis); + if (mmc == NULL) + return -1; + + return 0; +} diff --git a/drivers/mmc/s3c_sdi.c b/drivers/mmc/s3c_sdi.c new file mode 100644 index 0000000..1b5b705 --- /dev/null +++ b/drivers/mmc/s3c_sdi.c @@ -0,0 +1,321 @@ +/* + * S3C24xx SD/MMC driver + * + * Based on OpenMoko S3C24xx driver by Harald Welte <laforge@openmoko.org> + * + * Copyright (C) 2014 Marek Vasut <marex@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <malloc.h> +#include <mmc.h> +#include <errno.h> +#include <asm/arch/s3c24x0_cpu.h> +#include <asm/io.h> +#include <asm/unaligned.h> + +#define S3C2440_SDICON_SDRESET (1 << 8) +#define S3C2410_SDICON_FIFORESET (1 << 1) +#define S3C2410_SDICON_CLOCKTYPE (1 << 0) + +#define S3C2410_SDICMDCON_LONGRSP (1 << 10) +#define S3C2410_SDICMDCON_WAITRSP (1 << 9) +#define S3C2410_SDICMDCON_CMDSTART (1 << 8) +#define S3C2410_SDICMDCON_SENDERHOST (1 << 6) +#define S3C2410_SDICMDCON_INDEX 0x3f + +#define S3C2410_SDICMDSTAT_CRCFAIL (1 << 12) +#define S3C2410_SDICMDSTAT_CMDSENT (1 << 11) +#define S3C2410_SDICMDSTAT_CMDTIMEOUT (1 << 10) +#define S3C2410_SDICMDSTAT_RSPFIN (1 << 9) + +#define S3C2440_SDIDCON_DS_WORD (2 << 22) +#define S3C2410_SDIDCON_TXAFTERRESP (1 << 20) +#define S3C2410_SDIDCON_RXAFTERCMD (1 << 19) +#define S3C2410_SDIDCON_BLOCKMODE (1 << 17) +#define S3C2410_SDIDCON_WIDEBUS (1 << 16) +#define S3C2440_SDIDCON_DATSTART (1 << 14) +#define S3C2410_SDIDCON_XFER_RXSTART (2 << 12) +#define S3C2410_SDIDCON_XFER_TXSTART (3 << 12) +#define S3C2410_SDIDCON_BLKNUM 0x7ff + +#define S3C2410_SDIDSTA_FIFOFAIL (1 << 8) +#define S3C2410_SDIDSTA_CRCFAIL (1 << 7) +#define S3C2410_SDIDSTA_RXCRCFAIL (1 << 6) +#define S3C2410_SDIDSTA_DATATIMEOUT (1 << 5) +#define S3C2410_SDIDSTA_XFERFINISH (1 << 4) + +#define S3C2410_SDIFSTA_TFHALF (1 << 11) +#define S3C2410_SDIFSTA_COUNTMASK 0x7f + +/* + * WARNING: We only support one SD IP block. + * NOTE: It's not likely there will ever exist an S3C24xx with two, + * at least not in this universe all right. + */ +static int wide_bus; + +static int +s3cmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) +{ + struct s3c24x0_sdi *sdi_regs = s3c24x0_get_base_sdi(); + uint32_t sdiccon, sdicsta, sdidcon, sdidsta, sdidat, sdifsta; + uint32_t sdicsta_wait_bit = S3C2410_SDICMDSTAT_CMDSENT; + unsigned int timeout = 100000; + int ret = 0, xfer_len, data_offset = 0; + const uint32_t sdidsta_err_mask = S3C2410_SDIDSTA_FIFOFAIL | + S3C2410_SDIDSTA_CRCFAIL | S3C2410_SDIDSTA_RXCRCFAIL | + S3C2410_SDIDSTA_DATATIMEOUT; + + + writel(0xffffffff, &sdi_regs->sdicsta); + writel(0xffffffff, &sdi_regs->sdidsta); + writel(0xffffffff, &sdi_regs->sdifsta); + + /* Set up data transfer (if applicable). */ + if (data) { + writel(data->blocksize, &sdi_regs->sdibsize); + + sdidcon = data->blocks & S3C2410_SDIDCON_BLKNUM; + sdidcon |= S3C2410_SDIDCON_BLOCKMODE; +#if defined(CONFIG_S3C2440) + sdidcon |= S3C2440_SDIDCON_DS_WORD | S3C2440_SDIDCON_DATSTART; +#endif + if (wide_bus) + sdidcon |= S3C2410_SDIDCON_WIDEBUS; + + if (data->flags & MMC_DATA_READ) { + sdidcon |= S3C2410_SDIDCON_RXAFTERCMD; + sdidcon |= S3C2410_SDIDCON_XFER_RXSTART; + } else { + sdidcon |= S3C2410_SDIDCON_TXAFTERRESP; + sdidcon |= S3C2410_SDIDCON_XFER_TXSTART; + } + + writel(sdidcon, &sdi_regs->sdidcon); + } + + /* Write CMD arg. */ + writel(cmd->cmdarg, &sdi_regs->sdicarg); + + /* Write CMD index. */ + sdiccon = cmd->cmdidx & S3C2410_SDICMDCON_INDEX; + sdiccon |= S3C2410_SDICMDCON_SENDERHOST; + sdiccon |= S3C2410_SDICMDCON_CMDSTART; + + /* Command with short response. */ + if (cmd->resp_type & MMC_RSP_PRESENT) { + sdiccon |= S3C2410_SDICMDCON_WAITRSP; + sdicsta_wait_bit = S3C2410_SDICMDSTAT_RSPFIN; + } + + /* Command with long response. */ + if (cmd->resp_type & MMC_RSP_136) + sdiccon |= S3C2410_SDICMDCON_LONGRSP; + + /* Start the command. */ + writel(sdiccon, &sdi_regs->sdiccon); + + /* Wait for the command to complete or for response. */ + for (timeout = 100000; timeout; timeout--) { + sdicsta = readl(&sdi_regs->sdicsta); + if (sdicsta & sdicsta_wait_bit) + break; + + if (sdicsta & S3C2410_SDICMDSTAT_CMDTIMEOUT) + timeout = 1; + } + + /* Clean the status bits. */ + setbits_le32(&sdi_regs->sdicsta, 0xf << 9); + + if (!timeout) { + puts("S3C SDI: Command timed out!\n"); + ret = TIMEOUT; + goto error; + } + + /* Read out the response. */ + if (cmd->resp_type & MMC_RSP_136) { + cmd->response[0] = readl(&sdi_regs->sdirsp0); + cmd->response[1] = readl(&sdi_regs->sdirsp1); + cmd->response[2] = readl(&sdi_regs->sdirsp2); + cmd->response[3] = readl(&sdi_regs->sdirsp3); + } else { + cmd->response[0] = readl(&sdi_regs->sdirsp0); + } + + /* If there are no data, we're done. */ + if (!data) + return 0; + + xfer_len = data->blocksize * data->blocks; + + while (xfer_len > 0) { + sdidsta = readl(&sdi_regs->sdidsta); + sdifsta = readl(&sdi_regs->sdifsta); + + if (sdidsta & sdidsta_err_mask) { + printf("S3C SDI: Data error (sdta=0x%08x)\n", sdidsta); + ret = -EIO; + goto error; + } + + if (data->flags & MMC_DATA_READ) { + if ((sdifsta & S3C2410_SDIFSTA_COUNTMASK) < 4) + continue; + sdidat = readl(&sdi_regs->sdidat); + put_unaligned_le32(sdidat, data->dest + data_offset); + } else { /* Write */ + /* TX FIFO half full. */ + if (!(sdifsta & S3C2410_SDIFSTA_TFHALF)) + continue; + + /* TX FIFO is below 32b full, write. */ + sdidat = get_unaligned_le32(data->src + data_offset); + writel(sdidat, &sdi_regs->sdidat); + } + data_offset += 4; + xfer_len -= 4; + } + + /* Wait for the command to complete or for response. */ + for (timeout = 100000; timeout; timeout--) { + sdidsta = readl(&sdi_regs->sdidsta); + if (sdidsta & S3C2410_SDIDSTA_XFERFINISH) + break; + + if (sdidsta & S3C2410_SDIDSTA_DATATIMEOUT) + timeout = 1; + } + + /* Clear status bits. */ + writel(0x6f8, &sdi_regs->sdidsta); + + if (!timeout) { + puts("S3C SDI: Command timed out!\n"); + ret = TIMEOUT; + goto error; + } + + writel(0, &sdi_regs->sdidcon); + + return 0; +error: + return ret; +} + +static void s3cmmc_set_ios(struct mmc *mmc) +{ + struct s3c24x0_sdi *sdi_regs = s3c24x0_get_base_sdi(); + uint32_t divider = 0; + + wide_bus = (mmc->bus_width == 4); + + if (!mmc->clock) + return; + + divider = DIV_ROUND_UP(get_PCLK(), mmc->clock); + if (divider) + divider--; + + writel(divider, &sdi_regs->sdipre); + mdelay(125); +} + +static int s3cmmc_init(struct mmc *mmc) +{ + struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power(); + struct s3c24x0_sdi *sdi_regs = s3c24x0_get_base_sdi(); + + /* Start the clock. */ + setbits_le32(&clk_power->clkcon, 1 << 9); + +#if defined(CONFIG_S3C2440) + writel(S3C2440_SDICON_SDRESET, &sdi_regs->sdicon); + mdelay(10); + writel(0x7fffff, &sdi_regs->sdidtimer); +#else + writel(0xffff, &sdi_regs->sdidtimer); +#endif + writel(MMC_MAX_BLOCK_LEN, &sdi_regs->sdibsize); + writel(0x0, &sdi_regs->sdiimsk); + + writel(S3C2410_SDICON_FIFORESET | S3C2410_SDICON_CLOCKTYPE, + &sdi_regs->sdicon); + + mdelay(125); + + return 0; +} + +struct s3cmmc_priv { + struct mmc_config cfg; + int (*getcd)(struct mmc *); + int (*getwp)(struct mmc *); +}; + +static int s3cmmc_getcd(struct mmc *mmc) +{ + struct s3cmmc_priv *priv = mmc->priv; + if (priv->getcd) + return priv->getcd(mmc); + else + return 0; +} + +static int s3cmmc_getwp(struct mmc *mmc) +{ + struct s3cmmc_priv *priv = mmc->priv; + if (priv->getwp) + return priv->getwp(mmc); + else + return 0; +} + +static const struct mmc_ops s3cmmc_ops = { + .send_cmd = s3cmmc_send_cmd, + .set_ios = s3cmmc_set_ios, + .init = s3cmmc_init, + .getcd = s3cmmc_getcd, + .getwp = s3cmmc_getwp, +}; + +int s3cmmc_initialize(bd_t *bis, int (*getcd)(struct mmc *), + int (*getwp)(struct mmc *)) +{ + struct s3cmmc_priv *priv; + struct mmc *mmc; + struct mmc_config *cfg; + + priv = calloc(1, sizeof(*priv)); + if (!priv) + return -ENOMEM; + cfg = &priv->cfg; + + cfg->name = "S3C MMC"; + cfg->ops = &s3cmmc_ops; + cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; + cfg->host_caps = MMC_MODE_4BIT | MMC_MODE_HC | MMC_MODE_HS; + cfg->f_min = 400000; + cfg->f_max = get_PCLK() / 2; + cfg->b_max = 0x80; + +#if defined(CONFIG_S3C2410) + /* + * S3C2410 has some bug that prevents reliable + * operation at higher speed + */ + cfg->f_max /= 2; +#endif + + mmc = mmc_create(cfg, priv); + if (!mmc) { + free(priv); + return -ENOMEM; + } + + return 0; +} diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index be5a16a..8b453cb 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -19,8 +19,11 @@ #include <asm/errno.h> #include <fsl_ifc.h> -#define FSL_IFC_V1_1_0 0x01010000 -#define MAX_BANKS 4 +#ifndef CONFIG_SYS_FSL_IFC_BANK_COUNT +#define CONFIG_SYS_FSL_IFC_BANK_COUNT 4 +#endif + +#define MAX_BANKS CONFIG_SYS_FSL_IFC_BANK_COUNT #define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */ #define IFC_TIMEOUT_MSECS 10 /* Maximum number of mSecs to wait for IFC @@ -802,12 +805,30 @@ static void fsl_ifc_select_chip(struct mtd_info *mtd, int chip) { } -static void fsl_ifc_sram_init(void) +static int fsl_ifc_sram_init(uint32_t ver) { struct fsl_ifc *ifc = ifc_ctrl->regs; uint32_t cs = 0, csor = 0, csor_8k = 0, csor_ext = 0; + uint32_t ncfgr = 0; long long end_tick; + if (ver > FSL_IFC_V1_1_0) { + ncfgr = ifc_in32(&ifc->ifc_nand.ncfgr); + ifc_out32(&ifc->ifc_nand.ncfgr, ncfgr | IFC_NAND_SRAM_INIT_EN); + + /* wait for SRAM_INIT bit to be clear or timeout */ + end_tick = usec2ticks(IFC_TIMEOUT_MSECS * 1000) + get_ticks(); + while (end_tick > get_ticks()) { + ifc_ctrl->status = + ifc_in32(&ifc->ifc_nand.nand_evter_stat); + + if (!(ifc_ctrl->status & IFC_NAND_SRAM_INIT_EN)) + return 0; + } + printf("fsl-ifc: Failed to Initialise SRAM\n"); + return 1; + } + cs = ifc_ctrl->cs_nand >> IFC_NAND_CSEL_SHIFT; /* Save CSOR and CSOR_ext */ @@ -850,11 +871,18 @@ static void fsl_ifc_sram_init(void) break; } + if (ifc_ctrl->status != IFC_NAND_EVTER_STAT_OPC) { + printf("fsl-ifc: Failed to Initialise SRAM\n"); + return 1; + } + ifc_out32(&ifc->ifc_nand.nand_evter_stat, ifc_ctrl->status); /* Restore CSOR and CSOR_ext */ ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor, csor); ifc_out32(&ifc_ctrl->regs->csor_cs[cs].csor_ext, csor_ext); + + return 0; } static int fsl_ifc_chip_init(int devnum, u8 *addr) @@ -864,7 +892,7 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr) struct fsl_ifc_mtd *priv; struct nand_ecclayout *layout; uint32_t cspr = 0, csor = 0, ver = 0; - int ret; + int ret = 0; if (!ifc_ctrl) { fsl_ifc_ctrl_init(); @@ -1006,8 +1034,13 @@ static int fsl_ifc_chip_init(int devnum, u8 *addr) } ver = ifc_in32(&ifc_ctrl->regs->ifc_rev); - if (ver == FSL_IFC_V1_1_0) - fsl_ifc_sram_init(); + if (ver >= FSL_IFC_V1_1_0) + ret = fsl_ifc_sram_init(ver); + if (ret) + return ret; + + if (ver >= FSL_IFC_V2_0_0) + priv->bufnum_mask = (priv->bufnum_mask * 2) + 1; ret = nand_scan_ident(mtd, 1, NULL); if (ret) diff --git a/drivers/mtd/nand/fsl_ifc_spl.c b/drivers/mtd/nand/fsl_ifc_spl.c index 5100772..e336cb1 100644 --- a/drivers/mtd/nand/fsl_ifc_spl.c +++ b/drivers/mtd/nand/fsl_ifc_spl.c @@ -97,7 +97,7 @@ int nand_spl_load_image(uint32_t offs, unsigned int uboot_size, void *vdst) int pages_per_blk; int blk_size; int bad_marker = 0; - int bufnum_mask, bufnum; + int bufnum_mask, bufnum, ver = 0; int csor, cspr; int pos = 0; @@ -130,6 +130,10 @@ int nand_spl_load_image(uint32_t offs, unsigned int uboot_size, void *vdst) bad_marker = 5; } + ver = ifc_in32(&ifc->ifc_rev); + if (ver >= FSL_IFC_V2_0_0) + bufnum_mask = (bufnum_mask * 2) + 1; + pages_per_blk = 32 << ((csor & CSOR_NAND_PB_MASK) >> CSOR_NAND_PB_SHIFT); diff --git a/drivers/mtd/spi/sf_ops.c b/drivers/mtd/spi/sf_ops.c index ef91b92..85cf22d 100644 --- a/drivers/mtd/spi/sf_ops.c +++ b/drivers/mtd/spi/sf_ops.c @@ -421,6 +421,7 @@ int spi_flash_cmd_read_ops(struct spi_flash *flash, u32 offset, data += read_len; } + free(cmd); return ret; } diff --git a/drivers/net/fm/fm.h b/drivers/net/fm/fm.h index 43de114..316e06e 100644 --- a/drivers/net/fm/fm.h +++ b/drivers/net/fm/fm.h @@ -143,6 +143,7 @@ struct fm_eth { #define MAX_RXBUF_LOG2 11 #define MAX_RXBUF_LEN (1 << MAX_RXBUF_LOG2) -#define PORT_IS_ENABLED(port) fm_info[fm_port_to_index(port)].enabled +#define PORT_IS_ENABLED(port) (fm_port_to_index(port) == -1 ? \ + 0 : fm_info[fm_port_to_index(port)].enabled) #endif /* __FM_H__ */ diff --git a/drivers/net/fm/init.c b/drivers/net/fm/init.c index cd787f4..ff04695 100644 --- a/drivers/net/fm/init.c +++ b/drivers/net/fm/init.c @@ -147,6 +147,9 @@ void fm_disable_port(enum fm_port port) { int i = fm_port_to_index(port); + if (i == -1) + return; + fm_info[i].enabled = 0; fman_disable_port(port); } @@ -155,6 +158,9 @@ void fm_enable_port(enum fm_port port) { int i = fm_port_to_index(port); + if (i == -1) + return; + fm_info[i].enabled = 1; fman_enable_port(port); } diff --git a/drivers/net/fm/memac_phy.c b/drivers/net/fm/memac_phy.c index de9c0e9..5f910c2 100644 --- a/drivers/net/fm/memac_phy.c +++ b/drivers/net/fm/memac_phy.c @@ -1,6 +1,6 @@ /* * Copyright 2012 Freescale Semiconductor, Inc. - * Andy Fleming <afleming@freescale.com> + * Andy Fleming <afleming@gmail.com> * Roy Zang <tie-fei.zang@freescale.com> * * SPDX-License-Identifier: GPL-2.0+ diff --git a/drivers/net/fm/tgec_phy.c b/drivers/net/fm/tgec_phy.c index faec317..095f00c 100644 --- a/drivers/net/fm/tgec_phy.c +++ b/drivers/net/fm/tgec_phy.c @@ -1,6 +1,6 @@ /* * Copyright 2009-2011 Freescale Semiconductor, Inc. - * Andy Fleming <afleming@freescale.com> + * Andy Fleming <afleming@gmail.com> * * SPDX-License-Identifier: GPL-2.0+ * Some part is taken from tsec.c diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c index 3a41b0e..231b075 100644 --- a/drivers/pci/fsl_pci_init.c +++ b/drivers/pci/fsl_pci_init.c @@ -504,8 +504,14 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info) } #endif if (!enabled) { - /* Let the user know there's no PCIe link */ - printf("no link, regs @ 0x%lx\n", pci_info->regs); + /* Let the user know there's no PCIe link for root + * complex. for endpoint, the link may not setup, so + * print undetermined. + */ + if (fsl_is_pci_agent(hose)) + printf("undetermined, regs @ 0x%lx\n", pci_info->regs); + else + printf("no link, regs @ 0x%lx\n", pci_info->regs); hose->last_busno = hose->first_busno; return; } diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c index 9c5fbd1..be09a17 100644 --- a/drivers/qe/qe.c +++ b/drivers/qe/qe.c @@ -11,7 +11,7 @@ #include <command.h> #include "asm/errno.h" #include "asm/io.h" -#include "asm/immap_qe.h" +#include "linux/immap_qe.h" #include "qe.h" #define MPC85xx_DEVDISR_QE_DISABLE 0x1 diff --git a/drivers/qe/uccf.c b/drivers/qe/uccf.c index 593d96d..85386bf 100644 --- a/drivers/qe/uccf.c +++ b/drivers/qe/uccf.c @@ -11,7 +11,7 @@ #include "malloc.h" #include "asm/errno.h" #include "asm/io.h" -#include "asm/immap_qe.h" +#include "linux/immap_qe.h" #include "qe.h" #include "uccf.h" diff --git a/drivers/qe/uccf.h b/drivers/qe/uccf.h index 0b57e2f..55941e4 100644 --- a/drivers/qe/uccf.h +++ b/drivers/qe/uccf.h @@ -12,7 +12,7 @@ #include "common.h" #include "qe.h" -#include "asm/immap_qe.h" +#include "linux/immap_qe.h" /* Fast or Giga ethernet */ diff --git a/drivers/qe/uec.c b/drivers/qe/uec.c index 6804573..c91f084 100644 --- a/drivers/qe/uec.c +++ b/drivers/qe/uec.c @@ -11,7 +11,7 @@ #include "malloc.h" #include "asm/errno.h" #include "asm/io.h" -#include "asm/immap_qe.h" +#include "linux/immap_qe.h" #include "qe.h" #include "uccf.h" #include "uec.h" diff --git a/drivers/qe/uec_phy.c b/drivers/qe/uec_phy.c index 5dc4641..e701787 100644 --- a/drivers/qe/uec_phy.c +++ b/drivers/qe/uec_phy.c @@ -14,7 +14,7 @@ #include "net.h" #include "malloc.h" #include "asm/errno.h" -#include "asm/immap_qe.h" +#include "linux/immap_qe.h" #include "asm/io.h" #include "qe.h" #include "uccf.h" diff --git a/drivers/spi/exynos_spi.c b/drivers/spi/exynos_spi.c index c92276f..2969184 100644 --- a/drivers/spi/exynos_spi.c +++ b/drivers/spi/exynos_spi.c @@ -428,10 +428,6 @@ void spi_cs_activate(struct spi_slave *slave) clrbits_le32(&spi_slave->regs->cs_reg, SPI_SLAVE_SIG_INACT); debug("Activate CS, bus %d\n", spi_slave->slave.bus); spi_slave->skip_preamble = spi_slave->mode & SPI_PREAMBLE; - - /* Remember time of this transaction so we can honour the bus delay */ - if (spi_slave->bus->deactivate_delay_us) - spi_slave->last_transaction_us = timer_get_us(); } /** @@ -445,6 +441,11 @@ void spi_cs_deactivate(struct spi_slave *slave) struct exynos_spi_slave *spi_slave = to_exynos_spi(slave); setbits_le32(&spi_slave->regs->cs_reg, SPI_SLAVE_SIG_INACT); + + /* Remember time of this transaction so we can honour the bus delay */ + if (spi_slave->bus->deactivate_delay_us) + spi_slave->last_transaction_us = timer_get_us(); + debug("Deactivate CS, bus %d\n", spi_slave->slave.bus); } diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c index f3f029d..2d5f385 100644 --- a/drivers/spi/mxc_spi.c +++ b/drivers/spi/mxc_spi.c @@ -30,6 +30,10 @@ static unsigned long spi_bases[] = { #define reg_read readl #define reg_write(a, v) writel(v, a) +#if !defined(CONFIG_SYS_SPI_MXC_WAIT) +#define CONFIG_SYS_SPI_MXC_WAIT (CONFIG_SYS_HZ/100) /* 10 ms */ +#endif + struct mxc_spi_slave { struct spi_slave slave; unsigned long base; @@ -212,6 +216,8 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen, int nbytes = DIV_ROUND_UP(bitlen, 8); u32 data, cnt, i; struct cspi_regs *regs = (struct cspi_regs *)mxcs->base; + u32 ts; + int status; debug("%s: bitlen %d dout 0x%x din 0x%x\n", __func__, bitlen, (u32)dout, (u32)din); @@ -272,9 +278,16 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen, reg_write(®s->ctrl, mxcs->ctrl_reg | MXC_CSPICTRL_EN | MXC_CSPICTRL_XCH); + ts = get_timer(0); + status = reg_read(®s->stat); /* Wait until the TC (Transfer completed) bit is set */ - while ((reg_read(®s->stat) & MXC_CSPICTRL_TC) == 0) - ; + while ((status & MXC_CSPICTRL_TC) == 0) { + if (get_timer(ts) > CONFIG_SYS_SPI_MXC_WAIT) { + printf("spi_xchg_single: Timeout!\n"); + return -1; + } + status = reg_read(®s->stat); + } /* Transfer completed, clear any pending request */ reg_write(®s->stat, MXC_CSPICTRL_TC | MXC_CSPICTRL_RXOVF); diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 7ddea9b..7d81fbd 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -53,6 +53,8 @@ struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum, mode |= SPI_CPHA; if (fdtdec_get_bool(blob, node, "spi-cs-high")) mode |= SPI_CS_HIGH; + if (fdtdec_get_bool(blob, node, "spi-half-duplex")) + mode |= SPI_PREAMBLE; return spi_setup_slave(busnum, cs, max_hz, mode); } #endif diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 04c1a64..c4f5157 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -35,6 +35,7 @@ obj-$(CONFIG_USB_EHCI_PPC4XX) += ehci-ppc4xx.o obj-$(CONFIG_USB_EHCI_MARVELL) += ehci-marvell.o obj-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o obj-$(CONFIG_USB_EHCI_SPEAR) += ehci-spear.o +obj-$(CONFIG_USB_EHCI_SUNXI) += ehci-sunxi.o obj-$(CONFIG_USB_EHCI_TEGRA) += ehci-tegra.o obj-$(CONFIG_USB_EHCI_VCT) += ehci-vct.o obj-$(CONFIG_USB_EHCI_RMOBILE) += ehci-rmobile.o diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c new file mode 100644 index 0000000..23617b7 --- /dev/null +++ b/drivers/usb/host/ehci-sunxi.c @@ -0,0 +1,201 @@ +/* + * Copyright (C) 2014 Roman Byshko + * + * Roman Byshko <rbyshko@gmail.com> + * + * Based on code from + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/clock.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <common.h> +#include "ehci.h" + +#define SUNXI_USB1_IO_BASE 0x01c14000 +#define SUNXI_USB2_IO_BASE 0x01c1c000 + +#define SUNXI_USB_PMU_IRQ_ENABLE 0x800 +#define SUNXI_USB_CSR 0x01c13404 +#define SUNXI_USB_PASSBY_EN 1 + +#define SUNXI_EHCI_AHB_ICHR8_EN (1 << 10) +#define SUNXI_EHCI_AHB_INCR4_BURST_EN (1 << 9) +#define SUNXI_EHCI_AHB_INCRX_ALIGN_EN (1 << 8) +#define SUNXI_EHCI_ULPI_BYPASS_EN (1 << 0) + +static struct sunxi_ehci_hcd { + struct usb_hcd *hcd; + int usb_rst_mask; + int ahb_clk_mask; + int gpio_vbus; + void *csr; + int irq; + int id; +} sunxi_echi_hcd[] = { + { + .usb_rst_mask = CCM_USB_CTRL_PHY1_RST, + .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0, + .gpio_vbus = CONFIG_SUNXI_USB_VBUS0_GPIO, + .csr = (void *)SUNXI_USB_CSR, + .irq = 39, + .id = 1, + }, +#if (CONFIG_USB_MAX_CONTROLLER_COUNT > 1) + { + .usb_rst_mask = CCM_USB_CTRL_PHY2_RST, + .ahb_clk_mask = 1 << AHB_GATE_OFFSET_USB_EHCI1, + .gpio_vbus = CONFIG_SUNXI_USB_VBUS1_GPIO, + .csr = (void *)SUNXI_USB_CSR, + .irq = 40, + .id = 2, + } +#endif +}; + +static int enabled_hcd_count; + +static void *get_io_base(int hcd_id) +{ + if (hcd_id == 1) + return (void *)SUNXI_USB1_IO_BASE; + else if (hcd_id == 2) + return (void *)SUNXI_USB2_IO_BASE; + else + return NULL; +} + +static void usb_phy_write(struct sunxi_ehci_hcd *sunxi_ehci, int addr, + int data, int len) +{ + int j = 0, usbc_bit = 0; + void *dest = sunxi_ehci->csr; + + usbc_bit = 1 << (sunxi_ehci->id * 2); + for (j = 0; j < len; j++) { + /* set the bit address to be written */ + clrbits_le32(dest, 0xff << 8); + setbits_le32(dest, (addr + j) << 8); + + clrbits_le32(dest, usbc_bit); + /* set data bit */ + if (data & 0x1) + setbits_le32(dest, 1 << 7); + else + clrbits_le32(dest, 1 << 7); + + setbits_le32(dest, usbc_bit); + + clrbits_le32(dest, usbc_bit); + + data >>= 1; + } +} + +static void sunxi_usb_phy_init(struct sunxi_ehci_hcd *sunxi_ehci) +{ + /* The following comments are machine + * translated from Chinese, you have been warned! + */ + + /* adjust PHY's magnitude and rate */ + usb_phy_write(sunxi_ehci, 0x20, 0x14, 5); + + /* threshold adjustment disconnect */ +#ifdef CONFIG_SUN4I + usb_phy_write(sunxi_ehci, 0x2a, 3, 2); +#else + usb_phy_write(sunxi_ehci, 0x2a, 2, 2); +#endif + + return; +} + +static void sunxi_usb_passby(struct sunxi_ehci_hcd *sunxi_ehci, int enable) +{ + unsigned long bits = 0; + void *addr = get_io_base(sunxi_ehci->id) + SUNXI_USB_PMU_IRQ_ENABLE; + + bits = SUNXI_EHCI_AHB_ICHR8_EN | + SUNXI_EHCI_AHB_INCR4_BURST_EN | + SUNXI_EHCI_AHB_INCRX_ALIGN_EN | + SUNXI_EHCI_ULPI_BYPASS_EN; + + if (enable) + setbits_le32(addr, bits); + else + clrbits_le32(addr, bits); + + return; +} + +static void sunxi_ehci_enable(struct sunxi_ehci_hcd *sunxi_ehci) +{ + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + setbits_le32(&ccm->usb_clk_cfg, sunxi_ehci->usb_rst_mask); + setbits_le32(&ccm->ahb_gate0, sunxi_ehci->ahb_clk_mask); + + sunxi_usb_phy_init(sunxi_ehci); + + sunxi_usb_passby(sunxi_ehci, SUNXI_USB_PASSBY_EN); + + gpio_direction_output(sunxi_ehci->gpio_vbus, 1); +} + +static void sunxi_ehci_disable(struct sunxi_ehci_hcd *sunxi_ehci) +{ + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + gpio_direction_output(sunxi_ehci->gpio_vbus, 0); + + sunxi_usb_passby(sunxi_ehci, !SUNXI_USB_PASSBY_EN); + + clrbits_le32(&ccm->ahb_gate0, sunxi_ehci->ahb_clk_mask); + clrbits_le32(&ccm->usb_clk_cfg, sunxi_ehci->usb_rst_mask); +} + +int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr, + struct ehci_hcor **hcor) +{ + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_ehci_hcd *sunxi_ehci = &sunxi_echi_hcd[index]; + + /* enable common PHY only once */ + if (index == 0) + setbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE); + + sunxi_ehci_enable(sunxi_ehci); + + *hccr = get_io_base(sunxi_ehci->id); + + *hcor = (struct ehci_hcor *)((uint32_t) *hccr + + HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); + + debug("sunxi-ehci: init hccr %x and hcor %x hc_length %d\n", + (uint32_t)*hccr, (uint32_t)*hcor, + (uint32_t)HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase))); + + enabled_hcd_count++; + + return 0; +} + +int ehci_hcd_stop(int index) +{ + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_ehci_hcd *sunxi_ehci = &sunxi_echi_hcd[index]; + + sunxi_ehci_disable(sunxi_ehci); + + /* disable common PHY only once, for the last enabled hcd */ + if (enabled_hcd_count == 1) + clrbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE); + + enabled_hcd_count--; + + return 0; +} |