diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpio/Makefile | 1 | ||||
-rw-r--r-- | drivers/gpio/da8xx_gpio.c | 8 | ||||
-rw-r--r-- | drivers/mmc/arm_pl180_mmci.c | 1 | ||||
-rw-r--r-- | drivers/mmc/bfin_sdh.c | 69 | ||||
-rw-r--r-- | drivers/mmc/davinci_mmc.c | 1 | ||||
-rw-r--r-- | drivers/mmc/fsl_esdhc.c | 1 | ||||
-rw-r--r-- | drivers/mmc/ftsdc010_esdhc.c | 1 | ||||
-rw-r--r-- | drivers/mmc/gen_atmel_mci.c | 1 | ||||
-rw-r--r-- | drivers/mmc/mmc.c | 17 | ||||
-rw-r--r-- | drivers/mmc/mmc_spi.c | 1 | ||||
-rw-r--r-- | drivers/mmc/mxcmmc.c | 1 | ||||
-rw-r--r-- | drivers/mmc/mxsmmc.c | 1 | ||||
-rw-r--r-- | drivers/mmc/omap_hsmmc.c | 103 | ||||
-rw-r--r-- | drivers/mmc/sdhci.c | 1 | ||||
-rw-r--r-- | drivers/mmc/sh_mmcif.c | 1 | ||||
-rw-r--r-- | drivers/mmc/tegra_mmc.c | 1 | ||||
-rw-r--r-- | drivers/mtd/nand/kmeter1_nand.c | 4 | ||||
-rw-r--r-- | drivers/mtd/nand/nand_util.c | 19 | ||||
-rw-r--r-- | drivers/mtd/onenand/onenand_spl.c | 14 | ||||
-rw-r--r-- | drivers/net/cpsw.c | 20 | ||||
-rw-r--r-- | drivers/net/fm/fm.c | 4 | ||||
-rw-r--r-- | drivers/serial/sandbox.c | 44 | ||||
-rw-r--r-- | drivers/serial/serial_ns16550.c | 12 | ||||
-rw-r--r-- | drivers/spi/Makefile | 1 | ||||
-rw-r--r-- | drivers/spi/bfin_spi6xx.c | 308 | ||||
-rw-r--r-- | drivers/video/omap3_dss.c | 2 |
26 files changed, 570 insertions, 67 deletions
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 2d97b4f..9df1e26 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -39,6 +39,7 @@ COBJS-$(CONFIG_SANDBOX_GPIO) += sandbox.o COBJS-$(CONFIG_SPEAR_GPIO) += spear_gpio.o COBJS-$(CONFIG_TEGRA_GPIO) += tegra_gpio.o COBJS-$(CONFIG_DA8XX_GPIO) += da8xx_gpio.o +COBJS-$(CONFIG_DM644X_GPIO) += da8xx_gpio.o COBJS-$(CONFIG_ALTERA_PIO) += altera_pio.o COBJS-$(CONFIG_MPC83XX_GPIO) += mpc83xx_gpio.o COBJS-$(CONFIG_SH_GPIO_PFC) += sh_pfc.o diff --git a/drivers/gpio/da8xx_gpio.c b/drivers/gpio/da8xx_gpio.c index 271b8d9..76648d2 100644 --- a/drivers/gpio/da8xx_gpio.c +++ b/drivers/gpio/da8xx_gpio.c @@ -31,6 +31,7 @@ static struct gpio_registry { char name[GPIO_NAME_SIZE]; } gpio_registry[MAX_NUM_GPIOS]; +#if defined(CONFIG_SOC_DA8XX) #define pinmux(x) (&davinci_syscfg_regs->pinmux[x]) #if defined(CONFIG_SOC_DA8XX) && !defined(CONFIG_SOC_DA850) @@ -164,7 +165,7 @@ static const struct pinmux_config gpio_pinmux[] = { { pinmux(0), 1, 0 }, { pinmux(0), 1, 1 }, }; -#else +#else /* CONFIG_SOC_DA8XX && CONFIG_SOC_DA850 */ static const struct pinmux_config gpio_pinmux[] = { { pinmux(1), 8, 7 }, /* GP0[0] */ { pinmux(1), 8, 6 }, @@ -311,7 +312,10 @@ static const struct pinmux_config gpio_pinmux[] = { { pinmux(18), 8, 3 }, { pinmux(18), 8, 2 }, }; -#endif +#endif /* CONFIG_SOC_DA8XX && !CONFIG_SOC_DA850 */ +#else /* !CONFIG_SOC_DA8XX */ +#define davinci_configure_pin_mux(a, b) +#endif /* CONFIG_SOC_DA8XX */ int gpio_request(unsigned gpio, const char *label) { diff --git a/drivers/mmc/arm_pl180_mmci.c b/drivers/mmc/arm_pl180_mmci.c index af1380a..ab2e81e 100644 --- a/drivers/mmc/arm_pl180_mmci.c +++ b/drivers/mmc/arm_pl180_mmci.c @@ -377,6 +377,7 @@ int arm_pl180_mmci_init(struct pl180_mmc_host *host) dev->set_ios = host_set_ios; dev->init = mmc_host_reset; dev->getcd = NULL; + dev->getwp = NULL; dev->host_caps = host->caps; dev->voltages = host->voltages; dev->f_min = host->clock_min; diff --git a/drivers/mmc/bfin_sdh.c b/drivers/mmc/bfin_sdh.c index 8d59d46..2631174 100644 --- a/drivers/mmc/bfin_sdh.c +++ b/drivers/mmc/bfin_sdh.c @@ -19,9 +19,7 @@ #include <asm/mach-common/bits/sdh.h> #include <asm/mach-common/bits/dma.h> -#if defined(__ADSPBF50x__) || defined(__ADSPBF51x__) -# define bfin_read_SDH_PWR_CTL bfin_read_RSI_PWR_CONTROL -# define bfin_write_SDH_PWR_CTL bfin_write_RSI_PWR_CONTROL +#if defined(__ADSPBF50x__) || defined(__ADSPBF51x__) || defined(__ADSPBF60x__) # define bfin_read_SDH_CLK_CTL bfin_read_RSI_CLK_CONTROL # define bfin_write_SDH_CLK_CTL bfin_write_RSI_CLK_CONTROL # define bfin_write_SDH_ARGUMENT bfin_write_RSI_ARGUMENT @@ -38,10 +36,21 @@ # define bfin_write_SDH_STATUS_CLR bfin_write_RSI_STATUSCL # define bfin_read_SDH_CFG bfin_read_RSI_CONFIG # define bfin_write_SDH_CFG bfin_write_RSI_CONFIG +# if defined(__ADSPBF60x__) +# define bfin_read_SDH_BLK_SIZE bfin_read_RSI_BLKSZ +# define bfin_write_SDH_BLK_SIZE bfin_write_RSI_BLKSZ +# define bfin_write_DMA_START_ADDR bfin_write_DMA10_START_ADDR +# define bfin_write_DMA_X_COUNT bfin_write_DMA10_X_COUNT +# define bfin_write_DMA_X_MODIFY bfin_write_DMA10_X_MODIFY +# define bfin_write_DMA_CONFIG bfin_write_DMA10_CONFIG +# else +# define bfin_read_SDH_PWR_CTL bfin_read_RSI_PWR_CONTROL +# define bfin_write_SDH_PWR_CTL bfin_write_RSI_PWR_CONTROL # define bfin_write_DMA_START_ADDR bfin_write_DMA4_START_ADDR # define bfin_write_DMA_X_COUNT bfin_write_DMA4_X_COUNT # define bfin_write_DMA_X_MODIFY bfin_write_DMA4_X_MODIFY # define bfin_write_DMA_CONFIG bfin_write_DMA4_CONFIG +# endif # define PORTMUX_PINS \ { P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0 } #elif defined(__ADSPBF54x__) @@ -70,6 +79,9 @@ sdh_send_cmd(struct mmc *mmc, struct mmc_cmd *mmc_cmd) sdh_cmd |= CMD_RSP; if (flags & MMC_RSP_136) sdh_cmd |= CMD_L_RSP; +#ifdef RSI_BLKSZ + sdh_cmd |= CMD_DATA0_BUSY; +#endif bfin_write_SDH_ARGUMENT(arg); bfin_write_SDH_COMMAND(sdh_cmd); @@ -104,6 +116,12 @@ sdh_send_cmd(struct mmc *mmc, struct mmc_cmd *mmc_cmd) bfin_write_SDH_STATUS_CLR(CMD_SENT_STAT | CMD_RESP_END_STAT | CMD_TIMEOUT_STAT | CMD_CRC_FAIL_STAT); +#ifdef RSI_BLKSZ + /* wait till card ready */ + while (!(bfin_read_RSI_ESTAT() & SD_CARD_READY)) + continue; + bfin_write_RSI_ESTAT(SD_CARD_READY); +#endif return ret; } @@ -113,16 +131,19 @@ static int sdh_setup_data(struct mmc *mmc, struct mmc_data *data) { u16 data_ctl = 0; u16 dma_cfg = 0; - int ret = 0; unsigned long data_size = data->blocksize * data->blocks; /* Don't support write yet. */ if (data->flags & MMC_DATA_WRITE) return UNUSABLE_ERR; +#ifndef RSI_BLKSZ data_ctl |= ((ffs(data_size) - 1) << 4); +#else + bfin_write_SDH_BLK_SIZE(data_size); +#endif data_ctl |= DTX_DIR; bfin_write_SDH_DATA_CTL(data_ctl); - dma_cfg = WDSIZE_32 | RESTART | WNR | DMAEN; + dma_cfg = WDSIZE_32 | PSIZE_32 | RESTART | WNR | DMAEN; bfin_write_SDH_DATA_TIMER(-1); @@ -137,7 +158,7 @@ static int sdh_setup_data(struct mmc *mmc, struct mmc_data *data) /* kick off transfer */ bfin_write_SDH_DATA_CTL(bfin_read_SDH_DATA_CTL() | DTX_DMA_E | DTX_E); - return ret; + return 0; } @@ -147,13 +168,23 @@ static int bfin_sdh_request(struct mmc *mmc, struct mmc_cmd *cmd, u32 status; int ret = 0; + if (data) { + ret = sdh_setup_data(mmc, data); + if (ret) + return ret; + } + ret = sdh_send_cmd(mmc, cmd); if (ret) { + bfin_write_SDH_COMMAND(0); + bfin_write_DMA_CONFIG(0); + bfin_write_SDH_DATA_CTL(0); + SSYNC(); printf("sending CMD%d failed\n", cmd->cmdidx); return ret; } + if (data) { - ret = sdh_setup_data(mmc, data); do { udelay(1); status = bfin_read_SDH_STATUS(); @@ -208,10 +239,12 @@ static void bfin_sdh_set_ios(struct mmc *mmc) if (mmc->bus_width == 4) { cfg = bfin_read_SDH_CFG(); - cfg &= ~0x80; - cfg |= 0x40; +#ifndef RSI_BLKSZ + cfg &= ~PD_SDDAT3; +#endif + cfg |= PUP_SDDAT3; bfin_write_SDH_CFG(cfg); - clk_ctl |= WIDE_BUS; + clk_ctl |= WIDE_BUS_4; } bfin_write_SDH_CLK_CTL(clk_ctl); sdh_set_clk(mmc->clock); @@ -220,20 +253,23 @@ static void bfin_sdh_set_ios(struct mmc *mmc) static int bfin_sdh_init(struct mmc *mmc) { const unsigned short pins[] = PORTMUX_PINS; - u16 pwr_ctl = 0; + int ret; /* Initialize sdh controller */ - peripheral_request_list(pins, "bfin_sdh"); + ret = peripheral_request_list(pins, "bfin_sdh"); + if (ret < 0) + return ret; #if defined(__ADSPBF54x__) bfin_write_DMAC1_PERIMUX(bfin_read_DMAC1_PERIMUX() | 0x1); #endif bfin_write_SDH_CFG(bfin_read_SDH_CFG() | CLKS_EN); /* Disable card detect pin */ bfin_write_SDH_CFG((bfin_read_SDH_CFG() & 0x1F) | 0x60); - - pwr_ctl |= ROD_CTL; - pwr_ctl |= PWR_ON; - bfin_write_SDH_PWR_CTL(pwr_ctl); +#ifndef RSI_BLKSZ + bfin_write_SDH_PWR_CTL(PWR_ON | ROD_CTL); +#else + bfin_write_SDH_CFG(bfin_read_SDH_CFG() | PWR_ON); +#endif return 0; } @@ -251,6 +287,7 @@ int bfin_mmc_init(bd_t *bis) mmc->set_ios = bfin_sdh_set_ios; mmc->init = bfin_sdh_init; mmc->getcd = NULL; + mmc->getwp = NULL; mmc->host_caps = MMC_MODE_4BIT; mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; diff --git a/drivers/mmc/davinci_mmc.c b/drivers/mmc/davinci_mmc.c index ee8f261..e2379e3 100644 --- a/drivers/mmc/davinci_mmc.c +++ b/drivers/mmc/davinci_mmc.c @@ -388,6 +388,7 @@ int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host) mmc->set_ios = dmmc_set_ios; mmc->init = dmmc_init; mmc->getcd = NULL; + mmc->getwp = NULL; mmc->f_min = 200000; mmc->f_max = 25000000; diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index b90f3e7..54b5363 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -552,6 +552,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg) mmc->set_ios = esdhc_set_ios; mmc->init = esdhc_init; mmc->getcd = esdhc_getcd; + mmc->getwp = NULL; voltage_caps = 0; caps = regs->hostcapblt; diff --git a/drivers/mmc/ftsdc010_esdhc.c b/drivers/mmc/ftsdc010_esdhc.c index f1702fe..42f0e0c 100644 --- a/drivers/mmc/ftsdc010_esdhc.c +++ b/drivers/mmc/ftsdc010_esdhc.c @@ -666,6 +666,7 @@ int ftsdc010_mmc_init(int dev_index) mmc->set_ios = ftsdc010_set_ios; mmc->init = ftsdc010_core_init; mmc->getcd = NULL; + mmc->getwp = NULL; mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; diff --git a/drivers/mmc/gen_atmel_mci.c b/drivers/mmc/gen_atmel_mci.c index 67b2dbe..70a9f91 100644 --- a/drivers/mmc/gen_atmel_mci.c +++ b/drivers/mmc/gen_atmel_mci.c @@ -349,6 +349,7 @@ int atmel_mci_init(void *regs) mmc->set_ios = mci_set_ios; mmc->init = mci_init; mmc->getcd = NULL; + mmc->getwp = NULL; /* need to be able to pass these in on a board by board basis */ mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 72e8ce6..7b5fdd9 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -40,6 +40,23 @@ static struct list_head mmc_devices; static int cur_dev_num = -1; +int __weak board_mmc_getwp(struct mmc *mmc) +{ + return -1; +} + +int mmc_getwp(struct mmc *mmc) +{ + int wp; + + wp = board_mmc_getwp(mmc); + + if ((wp < 0) && mmc->getwp) + wp = mmc->getwp(mmc); + + return wp; +} + int __board_mmc_getcd(struct mmc *mmc) { return -1; } diff --git a/drivers/mmc/mmc_spi.c b/drivers/mmc/mmc_spi.c index 11ba532..fe6a5a1 100644 --- a/drivers/mmc/mmc_spi.c +++ b/drivers/mmc/mmc_spi.c @@ -273,6 +273,7 @@ struct mmc *mmc_spi_init(uint bus, uint cs, uint speed, uint mode) mmc->set_ios = mmc_spi_set_ios; mmc->init = mmc_spi_init_p; mmc->getcd = NULL; + mmc->getwp = NULL; mmc->host_caps = MMC_MODE_SPI; mmc->voltages = MMC_SPI_VOLTAGE; diff --git a/drivers/mmc/mxcmmc.c b/drivers/mmc/mxcmmc.c index d58c18b..4f99617 100644 --- a/drivers/mmc/mxcmmc.c +++ b/drivers/mmc/mxcmmc.c @@ -499,6 +499,7 @@ static int mxcmci_initialize(bd_t *bis) mmc->set_ios = mxcmci_set_ios; mmc->init = mxcmci_init; mmc->getcd = NULL; + mmc->getwp = NULL; mmc->host_caps = MMC_MODE_4BIT; host->base = (struct mxcmci_regs *)CONFIG_MXC_MCI_REGS_BASE; diff --git a/drivers/mmc/mxsmmc.c b/drivers/mmc/mxsmmc.c index b1537e2..a89660f 100644 --- a/drivers/mmc/mxsmmc.c +++ b/drivers/mmc/mxsmmc.c @@ -420,6 +420,7 @@ int mxsmmc_initialize(bd_t *bis, int id, int (*wp)(int), int (*cd)(int)) mmc->set_ios = mxsmmc_set_ios; mmc->init = mxsmmc_init; mmc->getcd = NULL; + mmc->getwp = NULL; mmc->priv = priv; mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index afd9b30..67cfcc2 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -30,6 +30,7 @@ #include <twl4030.h> #include <twl6030.h> #include <twl6035.h> +#include <asm/gpio.h> #include <asm/io.h> #include <asm/arch/mmc_host_def.h> #include <asm/arch/sys_proto.h> @@ -38,30 +39,71 @@ #define SYSCTL_SRC (1 << 25) #define SYSCTL_SRD (1 << 26) +struct omap_hsmmc_data { + struct hsmmc *base_addr; + int cd_gpio; + int wp_gpio; +}; + /* If we fail after 1 second wait, something is really bad */ #define MAX_RETRY_MS 1000 static int mmc_read_data(struct hsmmc *mmc_base, char *buf, unsigned int size); static int mmc_write_data(struct hsmmc *mmc_base, const char *buf, unsigned int siz); -static struct mmc hsmmc_dev[2]; +static struct mmc hsmmc_dev[3]; +static struct omap_hsmmc_data hsmmc_dev_data[3]; + +#if (defined(CONFIG_OMAP_GPIO) && !defined(CONFIG_SPL_BUILD)) || \ + (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_GPIO_SUPPORT)) +static int omap_mmc_setup_gpio_in(int gpio, const char *label) +{ + if (!gpio_is_valid(gpio)) + return -1; + + if (gpio_request(gpio, label) < 0) + return -1; + + if (gpio_direction_input(gpio) < 0) + return -1; + + return gpio; +} + +static int omap_mmc_getcd(struct mmc *mmc) +{ + int cd_gpio = ((struct omap_hsmmc_data *)mmc->priv)->cd_gpio; + return gpio_get_value(cd_gpio); +} + +static int omap_mmc_getwp(struct mmc *mmc) +{ + int wp_gpio = ((struct omap_hsmmc_data *)mmc->priv)->wp_gpio; + return gpio_get_value(wp_gpio); +} +#else +static inline int omap_mmc_setup_gpio_in(int gpio, const char *label) +{ + return -1; +} + +#define omap_mmc_getcd NULL +#define omap_mmc_getwp NULL +#endif #if defined(CONFIG_OMAP44XX) && defined(CONFIG_TWL6030_POWER) static void omap4_vmmc_pbias_config(struct mmc *mmc) { u32 value = 0; - struct omap_sys_ctrl_regs *const ctrl = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; - - value = readl(&ctrl->control_pbiaslite); + value = readl((*ctrl)->control_pbiaslite); value &= ~(MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ); - writel(value, &ctrl->control_pbiaslite); + writel(value, (*ctrl)->control_pbiaslite); /* set VMMC to 3V */ twl6030_power_mmc_init(); - value = readl(&ctrl->control_pbiaslite); + value = readl((*ctrl)->control_pbiaslite); value |= MMC1_PBIASLITE_VMODE | MMC1_PBIASLITE_PWRDNZ | MMC1_PWRDNZ; - writel(value, &ctrl->control_pbiaslite); + writel(value, (*ctrl)->control_pbiaslite); } #endif @@ -69,26 +111,24 @@ static void omap4_vmmc_pbias_config(struct mmc *mmc) static void omap5_pbias_config(struct mmc *mmc) { u32 value = 0; - struct omap_sys_ctrl_regs *const ctrl = - (struct omap_sys_ctrl_regs *) SYSCTRL_GENERAL_CORE_BASE; - value = readl(&ctrl->control_pbias); + value = readl((*ctrl)->control_pbias); value &= ~(SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ); value |= SDCARD_BIAS_HIZ_MODE; - writel(value, &ctrl->control_pbias); + writel(value, (*ctrl)->control_pbias); twl6035_mmc1_poweron_ldo(); - value = readl(&ctrl->control_pbias); + value = readl((*ctrl)->control_pbias); value &= ~SDCARD_BIAS_HIZ_MODE; value |= SDCARD_PBIASLITE_VMODE | SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ; - writel(value, &ctrl->control_pbias); + writel(value, (*ctrl)->control_pbias); - value = readl(&ctrl->control_pbias); + value = readl((*ctrl)->control_pbias); if (value & (1 << 23)) { value &= ~(SDCARD_PWRDNZ | SDCARD_BIAS_PWRDNZ); value |= SDCARD_BIAS_HIZ_MODE; - writel(value, &ctrl->control_pbias); + writel(value, (*ctrl)->control_pbias); } } #endif @@ -177,11 +217,12 @@ void mmc_init_stream(struct hsmmc *mmc_base) static int mmc_init_setup(struct mmc *mmc) { - struct hsmmc *mmc_base = (struct hsmmc *)mmc->priv; + struct hsmmc *mmc_base; unsigned int reg_val; unsigned int dsor; ulong start; + mmc_base = ((struct omap_hsmmc_data *)mmc->priv)->base_addr; mmc_board_init(mmc); writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET, @@ -262,10 +303,11 @@ static void mmc_reset_controller_fsm(struct hsmmc *mmc_base, u32 bit) static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) { - struct hsmmc *mmc_base = (struct hsmmc *)mmc->priv; + struct hsmmc *mmc_base; unsigned int flags, mmc_stat; ulong start; + mmc_base = ((struct omap_hsmmc_data *)mmc->priv)->base_addr; start = get_timer(0); while ((readl(&mmc_base->pstate) & (DATI_MASK | CMDI_MASK)) != 0) { if (get_timer(0) - start > MAX_RETRY_MS) { @@ -489,10 +531,11 @@ static int mmc_write_data(struct hsmmc *mmc_base, const char *buf, static void mmc_set_ios(struct mmc *mmc) { - struct hsmmc *mmc_base = (struct hsmmc *)mmc->priv; + struct hsmmc *mmc_base; unsigned int dsor = 0; ulong start; + mmc_base = ((struct omap_hsmmc_data *)mmc->priv)->base_addr; /* configue bus width */ switch (mmc->bus_width) { case 8: @@ -540,36 +583,40 @@ static void mmc_set_ios(struct mmc *mmc) writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl); } -int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max) +int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio, + int wp_gpio) { - struct mmc *mmc; - - mmc = &hsmmc_dev[dev_index]; + struct mmc *mmc = &hsmmc_dev[dev_index]; + struct omap_hsmmc_data *priv_data = &hsmmc_dev_data[dev_index]; sprintf(mmc->name, "OMAP SD/MMC"); mmc->send_cmd = mmc_send_cmd; mmc->set_ios = mmc_set_ios; mmc->init = mmc_init_setup; - mmc->getcd = NULL; + mmc->getcd = omap_mmc_getcd; + mmc->getwp = omap_mmc_getwp; + mmc->priv = priv_data; switch (dev_index) { case 0: - mmc->priv = (struct hsmmc *)OMAP_HSMMC1_BASE; + priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE; break; #ifdef OMAP_HSMMC2_BASE case 1: - mmc->priv = (struct hsmmc *)OMAP_HSMMC2_BASE; + priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC2_BASE; break; #endif #ifdef OMAP_HSMMC3_BASE case 2: - mmc->priv = (struct hsmmc *)OMAP_HSMMC3_BASE; + priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC3_BASE; break; #endif default: - mmc->priv = (struct hsmmc *)OMAP_HSMMC1_BASE; + priv_data->base_addr = (struct hsmmc *)OMAP_HSMMC1_BASE; return 1; } + priv_data->cd_gpio = omap_mmc_setup_gpio_in(cd_gpio, "mmc_cd"); + priv_data->wp_gpio = omap_mmc_setup_gpio_in(wp_gpio, "mmc_wp"); mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; mmc->host_caps = (MMC_MODE_4BIT | MMC_MODE_HS_52MHz | MMC_MODE_HS | MMC_MODE_HC) & ~host_caps_mask; diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index b9cbe34..daca0ea 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -438,6 +438,7 @@ int add_sdhci(struct sdhci_host *host, u32 max_clk, u32 min_clk) mmc->set_ios = sdhci_set_ios; mmc->init = sdhci_init; mmc->getcd = NULL; + mmc->getwp = NULL; caps = sdhci_readl(host, SDHCI_CAPABILITIES); #ifdef CONFIG_MMC_SDMA diff --git a/drivers/mmc/sh_mmcif.c b/drivers/mmc/sh_mmcif.c index 4588568..011d4f3 100644 --- a/drivers/mmc/sh_mmcif.c +++ b/drivers/mmc/sh_mmcif.c @@ -599,6 +599,7 @@ int mmcif_mmc_init(void) mmc->set_ios = sh_mmcif_set_ios; mmc->init = sh_mmcif_init; mmc->getcd = NULL; + mmc->getwp = NULL; host->regs = (struct sh_mmcif_regs *)CONFIG_SH_MMCIF_ADDR; host->clk = CONFIG_SH_MMCIF_CLK; mmc->priv = host; diff --git a/drivers/mmc/tegra_mmc.c b/drivers/mmc/tegra_mmc.c index d749ab0..7258619 100644 --- a/drivers/mmc/tegra_mmc.c +++ b/drivers/mmc/tegra_mmc.c @@ -563,6 +563,7 @@ int tegra_mmc_init(int dev_index, int bus_width, int pwr_gpio, int cd_gpio) mmc->set_ios = mmc_set_ios; mmc->init = mmc_core_init; mmc->getcd = tegra_mmc_getcd; + mmc->getwp = NULL; mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195; mmc->host_caps = 0; diff --git a/drivers/mtd/nand/kmeter1_nand.c b/drivers/mtd/nand/kmeter1_nand.c index e8e5b7b..f044597 100644 --- a/drivers/mtd/nand/kmeter1_nand.c +++ b/drivers/mtd/nand/kmeter1_nand.c @@ -119,7 +119,11 @@ static int kpn_nand_dev_ready(struct mtd_info *mtd) int board_nand_init(struct nand_chip *nand) { +#if defined(CONFIG_NAND_ECC_BCH) + nand->ecc.mode = NAND_ECC_SOFT_BCH; +#else nand->ecc.mode = NAND_ECC_SOFT; +#endif /* Reference hardware control function */ nand->cmd_ctrl = kpn_nand_hwcontrol; diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c index 2ba0c5e..ff2d348 100644 --- a/drivers/mtd/nand/nand_util.c +++ b/drivers/mtd/nand/nand_util.c @@ -237,6 +237,14 @@ int nand_lock(struct mtd_info *mtd, int tight) /* select the NAND device */ chip->select_chip(mtd, 0); + /* check the Lock Tight Status */ + chip->cmdfunc(mtd, NAND_CMD_LOCK_STATUS, -1, 0); + if (chip->read_byte(mtd) & NAND_LOCK_STATUS_TIGHT) { + printf("nand_lock: Device is locked tight!\n"); + ret = -1; + goto out; + } + chip->cmdfunc(mtd, (tight ? NAND_CMD_LOCK_TIGHT : NAND_CMD_LOCK), -1, -1); @@ -249,6 +257,7 @@ int nand_lock(struct mtd_info *mtd, int tight) ret = -1; } + out: /* de-select the NAND device */ chip->select_chip(mtd, -1); return ret; @@ -337,6 +346,15 @@ int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length, goto out; } + /* check the Lock Tight Status */ + page = (int)(start >> chip->page_shift); + chip->cmdfunc(mtd, NAND_CMD_LOCK_STATUS, -1, page & chip->pagemask); + if (chip->read_byte(mtd) & NAND_LOCK_STATUS_TIGHT) { + printf("nand_unlock: Device is locked tight!\n"); + ret = -1; + goto out; + } + if ((start & (mtd->erasesize - 1)) != 0) { printf("nand_unlock: Start address must be beginning of " "nand block!\n"); @@ -358,7 +376,6 @@ int nand_unlock(struct mtd_info *mtd, loff_t start, size_t length, length -= mtd->erasesize; /* submit address of first page to unlock */ - page = (int)(start >> chip->page_shift); chip->cmdfunc(mtd, NAND_CMD_UNLOCK1, -1, page & chip->pagemask); /* submit ADDRESS of LAST page to unlock */ diff --git a/drivers/mtd/onenand/onenand_spl.c b/drivers/mtd/onenand/onenand_spl.c index 50eaa71..4bec2c2 100644 --- a/drivers/mtd/onenand/onenand_spl.c +++ b/drivers/mtd/onenand/onenand_spl.c @@ -112,7 +112,7 @@ static int onenand_spl_read_page(uint32_t block, uint32_t page, uint32_t *buf, void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst) { uint32_t *addr = (uint32_t *)dst; - uint32_t total_pages; + uint32_t to_page; uint32_t block; uint32_t page, rpage; enum onenand_spl_pagesize pagesize; @@ -125,22 +125,20 @@ void onenand_spl_load_image(uint32_t offs, uint32_t size, void *dst) * pulling further unwanted functions into the SPL. */ if (pagesize == 2048) { - total_pages = DIV_ROUND_UP(size, 2048); page = offs / 2048; + to_page = page + DIV_ROUND_UP(size, 2048); } else { - total_pages = DIV_ROUND_UP(size, 4096); page = offs / 4096; + to_page = page + DIV_ROUND_UP(size, 4096); } - for (; page <= total_pages; page++) { + for (; page <= to_page; page++) { block = page / ONENAND_PAGES_PER_BLOCK; rpage = page & (ONENAND_PAGES_PER_BLOCK - 1); ret = onenand_spl_read_page(block, rpage, addr, pagesize); - if (ret) { - total_pages += ONENAND_PAGES_PER_BLOCK; + if (ret) page += ONENAND_PAGES_PER_BLOCK - 1; - } else { + else addr += pagesize / 4; - } } } diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c index db04795..93f8417 100644 --- a/drivers/net/cpsw.c +++ b/drivers/net/cpsw.c @@ -227,6 +227,9 @@ struct cpsw_priv { struct cpsw_slave *slaves; struct phy_device *phydev; struct mii_dev *bus; + + u32 mdio_link; + u32 phy_mask; }; static inline int cpsw_ale_get_field(u32 *ale_entry, u32 start, u32 bits) @@ -598,10 +601,21 @@ static int cpsw_update_link(struct cpsw_priv *priv) for_each_slave(slave, priv) cpsw_slave_update_link(slave, priv, &link); - + priv->mdio_link = readl(&mdio_regs->link); return link; } +static int cpsw_check_link(struct cpsw_priv *priv) +{ + u32 link = 0; + + link = __raw_readl(&mdio_regs->link) & priv->phy_mask; + if ((link) && (link == priv->mdio_link)) + return 1; + + return cpsw_update_link(priv); +} + static inline u32 cpsw_get_slave_port(struct cpsw_priv *priv, u32 slave_num) { if (priv->host_port == 0) @@ -631,6 +645,8 @@ static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_priv *priv) cpsw_ale_port_state(priv, slave_port, ALE_PORT_STATE_FORWARD); cpsw_ale_add_mcast(priv, NetBcastAddr, 1 << slave_port); + + priv->phy_mask |= 1 << slave->data->phy_id; } static struct cpdma_desc *cpdma_desc_alloc(struct cpsw_priv *priv) @@ -862,7 +878,7 @@ static int cpsw_send(struct eth_device *dev, void *packet, int length) int len; int timeout = CPDMA_TIMEOUT; - if (!cpsw_update_link(priv)) + if (!cpsw_check_link(priv)) return -EIO; flush_dcache_range((unsigned long)packet, diff --git a/drivers/net/fm/fm.c b/drivers/net/fm/fm.c index 49c74c2..8d70586 100644 --- a/drivers/net/fm/fm.c +++ b/drivers/net/fm/fm.c @@ -362,7 +362,6 @@ static void fm_init_qmi(struct fm_qmi_common *qmi) int fm_init_common(int index, struct ccsr_fman *reg) { int rc; - char env_addr[32]; #if defined(CONFIG_SYS_QE_FMAN_FW_IN_NOR) void *addr = (void *)CONFIG_SYS_QE_FMAN_FW_ADDR; #elif defined(CONFIG_SYS_QE_FMAN_FW_IN_NAND) @@ -416,8 +415,7 @@ int fm_init_common(int index, struct ccsr_fman *reg) rc = fman_upload_firmware(index, ®->fm_imem, addr); if (rc) return rc; - sprintf(env_addr, "0x%lx", (long unsigned int)addr); - setenv("fman_ucode", env_addr); + setenv_addr("fman_ucode", addr); fm_init_muram(index, ®->muram); fm_init_qmi(®->fm_qmi_common); diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c index cb19401..b73520c 100644 --- a/drivers/serial/sandbox.c +++ b/drivers/serial/sandbox.c @@ -30,6 +30,19 @@ #include <serial.h> #include <linux/compiler.h> +/* + * + * serial_buf: A buffer that holds keyboard characters for the + * Sandbox U-boot. + * + * invariants: + * serial_buf_write == serial_buf_read -> empty buffer + * (serial_buf_write + 1) % 16 == serial_buf_read -> full buffer + */ +static char serial_buf[16]; +static unsigned int serial_buf_write; +static unsigned int serial_buf_read; + static int sandbox_serial_init(void) { os_tty_raw(0); @@ -50,18 +63,37 @@ static void sandbox_serial_puts(const char *str) os_write(1, str, strlen(str)); } -static int sandbox_serial_getc(void) +static unsigned int increment_buffer_index(unsigned int index) +{ + return (index + 1) % ARRAY_SIZE(serial_buf); +} + +static int sandbox_serial_tstc(void) { - char buf; + const unsigned int next_index = + increment_buffer_index(serial_buf_write); ssize_t count; - count = os_read(0, &buf, 1); - return count == 1 ? buf : 0; + os_usleep(100); + if (next_index == serial_buf_read) + return 1; /* buffer full */ + + count = os_read_no_block(0, &serial_buf[serial_buf_write], 1); + if (count == 1) + serial_buf_write = next_index; + return serial_buf_write != serial_buf_read; } -static int sandbox_serial_tstc(void) +static int sandbox_serial_getc(void) { - return 0; + int result; + + while (!sandbox_serial_tstc()) + ; /* buffer empty */ + + result = serial_buf[serial_buf_read]; + serial_buf_read = increment_buffer_index(serial_buf_read); + return result; } static struct serial_device sandbox_serial_drv = { diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c index fc01a3c..b92eef4 100644 --- a/drivers/serial/serial_ns16550.c +++ b/drivers/serial/serial_ns16550.c @@ -247,24 +247,36 @@ serial_setbrg_dev(unsigned int dev_index) _serial_setbrg(dev_index); } +#if defined(CONFIG_SYS_NS16550_COM1) DECLARE_ESERIAL_FUNCTIONS(1); struct serial_device eserial1_device = INIT_ESERIAL_STRUCTURE(1, "eserial0"); +#endif +#if defined(CONFIG_SYS_NS16550_COM2) DECLARE_ESERIAL_FUNCTIONS(2); struct serial_device eserial2_device = INIT_ESERIAL_STRUCTURE(2, "eserial1"); +#endif +#if defined(CONFIG_SYS_NS16550_COM3) DECLARE_ESERIAL_FUNCTIONS(3); struct serial_device eserial3_device = INIT_ESERIAL_STRUCTURE(3, "eserial2"); +#endif +#if defined(CONFIG_SYS_NS16550_COM4) DECLARE_ESERIAL_FUNCTIONS(4); struct serial_device eserial4_device = INIT_ESERIAL_STRUCTURE(4, "eserial3"); +#endif +#if defined(CONFIG_SYS_NS16550_COM5) DECLARE_ESERIAL_FUNCTIONS(5); struct serial_device eserial5_device = INIT_ESERIAL_STRUCTURE(5, "eserial4"); +#endif +#if defined(CONFIG_SYS_NS16550_COM6) DECLARE_ESERIAL_FUNCTIONS(6); struct serial_device eserial6_device = INIT_ESERIAL_STRUCTURE(6, "eserial5"); +#endif __weak struct serial_device *default_serial_console(void) { diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 83abcbd..b8264df 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -31,6 +31,7 @@ COBJS-$(CONFIG_ARMADA100_SPI) += armada100_spi.o COBJS-$(CONFIG_ATMEL_DATAFLASH_SPI) += atmel_dataflash_spi.o COBJS-$(CONFIG_ATMEL_SPI) += atmel_spi.o COBJS-$(CONFIG_BFIN_SPI) += bfin_spi.o +COBJS-$(CONFIG_BFIN_SPI6XX) += bfin_spi6xx.o COBJS-$(CONFIG_CF_SPI) += cf_spi.o COBJS-$(CONFIG_CF_QSPI) += cf_qspi.o COBJS-$(CONFIG_DAVINCI_SPI) += davinci_spi.o diff --git a/drivers/spi/bfin_spi6xx.c b/drivers/spi/bfin_spi6xx.c new file mode 100644 index 0000000..fde3447 --- /dev/null +++ b/drivers/spi/bfin_spi6xx.c @@ -0,0 +1,308 @@ +/* + * Analog Devices SPI3 controller driver + * + * Copyright (c) 2011 Analog Devices Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <common.h> +#include <malloc.h> +#include <spi.h> + +#include <asm/blackfin.h> +#include <asm/gpio.h> +#include <asm/portmux.h> +#include <asm/mach-common/bits/spi6xx.h> + +struct bfin_spi_slave { + struct spi_slave slave; + u32 control, clock; + struct bfin_spi_regs *regs; + int cs_pol; +}; + +#define to_bfin_spi_slave(s) container_of(s, struct bfin_spi_slave, slave) + +#define gpio_cs(cs) ((cs) - MAX_CTRL_CS) +#ifdef CONFIG_BFIN_SPI_GPIO_CS +# define is_gpio_cs(cs) ((cs) > MAX_CTRL_CS) +#else +# define is_gpio_cs(cs) 0 +#endif + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + if (is_gpio_cs(cs)) + return gpio_is_valid(gpio_cs(cs)); + else + return (cs >= 1 && cs <= MAX_CTRL_CS); +} + +void spi_cs_activate(struct spi_slave *slave) +{ + struct bfin_spi_slave *bss = to_bfin_spi_slave(slave); + + if (is_gpio_cs(slave->cs)) { + unsigned int cs = gpio_cs(slave->cs); + gpio_set_value(cs, bss->cs_pol); + } else { + u32 ssel; + ssel = bfin_read32(&bss->regs->ssel); + ssel |= 1 << slave->cs; + if (bss->cs_pol) + ssel |= (1 << 8) << slave->cs; + else + ssel &= ~((1 << 8) << slave->cs); + bfin_write32(&bss->regs->ssel, ssel); + } + + SSYNC(); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + struct bfin_spi_slave *bss = to_bfin_spi_slave(slave); + + if (is_gpio_cs(slave->cs)) { + unsigned int cs = gpio_cs(slave->cs); + gpio_set_value(cs, !bss->cs_pol); + } else { + u32 ssel; + ssel = bfin_read32(&bss->regs->ssel); + if (bss->cs_pol) + ssel &= ~((1 << 8) << slave->cs); + else + ssel |= (1 << 8) << slave->cs; + /* deassert cs */ + bfin_write32(&bss->regs->ssel, ssel); + SSYNC(); + /* disable cs */ + ssel &= ~(1 << slave->cs); + bfin_write32(&bss->regs->ssel, ssel); + } + + SSYNC(); +} + +void spi_init() +{ +} + +#define SPI_PINS(n) \ + { 0, P_SPI##n##_SCK, P_SPI##n##_MISO, P_SPI##n##_MOSI, 0 } +static unsigned short pins[][5] = { +#ifdef SPI0_REGBASE + [0] = SPI_PINS(0), +#endif +#ifdef SPI1_REGBASE + [1] = SPI_PINS(1), +#endif +#ifdef SPI2_REGBASE + [2] = SPI_PINS(2), +#endif +}; + +#define SPI_CS_PINS(n) \ + { \ + P_SPI##n##_SSEL1, P_SPI##n##_SSEL2, P_SPI##n##_SSEL3, \ + P_SPI##n##_SSEL4, P_SPI##n##_SSEL5, P_SPI##n##_SSEL6, \ + P_SPI##n##_SSEL7, \ + } +static const unsigned short cs_pins[][7] = { +#ifdef SPI0_REGBASE + [0] = SPI_CS_PINS(0), +#endif +#ifdef SPI1_REGBASE + [1] = SPI_CS_PINS(1), +#endif +#ifdef SPI2_REGBASE + [2] = SPI_CS_PINS(2), +#endif +}; + +void spi_set_speed(struct spi_slave *slave, uint hz) +{ + struct bfin_spi_slave *bss = to_bfin_spi_slave(slave); + ulong sclk; + u32 clock; + + sclk = get_sclk1(); + clock = sclk / hz; + if (clock) + clock--; + bss->clock = clock; +} + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, + unsigned int max_hz, unsigned int mode) +{ + struct bfin_spi_slave *bss; + u32 reg_base; + + if (!spi_cs_is_valid(bus, cs)) + return NULL; + + if (bus >= ARRAY_SIZE(pins) || pins[bus] == NULL) { + debug("%s: invalid bus %u\n", __func__, bus); + return NULL; + } + switch (bus) { +#ifdef SPI0_REGBASE + case 0: + reg_base = SPI0_REGBASE; + break; +#endif +#ifdef SPI1_REGBASE + case 1: + reg_base = SPI1_REGBASE; + break; +#endif +#ifdef SPI2_REGBASE + case 2: + reg_base = SPI2_REGBASE; + break; +#endif + default: + return NULL; + } + + bss = malloc(sizeof(*bss)); + if (!bss) + return NULL; + + bss->slave.bus = bus; + bss->slave.cs = cs; + bss->regs = (struct bfin_spi_regs *)reg_base; + bss->control = SPI_CTL_EN | SPI_CTL_MSTR; + if (mode & SPI_CPHA) + bss->control |= SPI_CTL_CPHA; + if (mode & SPI_CPOL) + bss->control |= SPI_CTL_CPOL; + if (mode & SPI_LSB_FIRST) + bss->control |= SPI_CTL_LSBF; + bss->control &= ~SPI_CTL_ASSEL; + bss->cs_pol = mode & SPI_CS_HIGH ? 1 : 0; + spi_set_speed(&bss->slave, max_hz); + + return &bss->slave; +} + +void spi_free_slave(struct spi_slave *slave) +{ + struct bfin_spi_slave *bss = to_bfin_spi_slave(slave); + free(bss); +} + +int spi_claim_bus(struct spi_slave *slave) +{ + struct bfin_spi_slave *bss = to_bfin_spi_slave(slave); + + debug("%s: bus:%i cs:%i\n", __func__, slave->bus, slave->cs); + + if (is_gpio_cs(slave->cs)) { + unsigned int cs = gpio_cs(slave->cs); + gpio_request(cs, "bfin-spi"); + gpio_direction_output(cs, !bss->cs_pol); + pins[slave->bus][0] = P_DONTCARE; + } else + pins[slave->bus][0] = cs_pins[slave->bus][slave->cs - 1]; + peripheral_request_list(pins[slave->bus], "bfin-spi"); + + bfin_write32(&bss->regs->control, bss->control); + bfin_write32(&bss->regs->clock, bss->clock); + bfin_write32(&bss->regs->delay, 0x0); + bfin_write32(&bss->regs->rx_control, SPI_RXCTL_REN); + bfin_write32(&bss->regs->tx_control, SPI_TXCTL_TEN | SPI_TXCTL_TTI); + SSYNC(); + + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ + struct bfin_spi_slave *bss = to_bfin_spi_slave(slave); + + debug("%s: bus:%i cs:%i\n", __func__, slave->bus, slave->cs); + + peripheral_free_list(pins[slave->bus]); + if (is_gpio_cs(slave->cs)) + gpio_free(gpio_cs(slave->cs)); + + bfin_write32(&bss->regs->rx_control, 0x0); + bfin_write32(&bss->regs->tx_control, 0x0); + bfin_write32(&bss->regs->control, 0x0); + SSYNC(); +} + +#ifndef CONFIG_BFIN_SPI_IDLE_VAL +# define CONFIG_BFIN_SPI_IDLE_VAL 0xff +#endif + +static int spi_pio_xfer(struct bfin_spi_slave *bss, const u8 *tx, u8 *rx, + uint bytes) +{ + /* discard invalid rx data and empty rfifo */ + while (!(bfin_read32(&bss->regs->status) & SPI_STAT_RFE)) + bfin_read32(&bss->regs->rfifo); + + while (bytes--) { + u8 value = (tx ? *tx++ : CONFIG_BFIN_SPI_IDLE_VAL); + debug("%s: tx:%x ", __func__, value); + bfin_write32(&bss->regs->tfifo, value); + SSYNC(); + while (bfin_read32(&bss->regs->status) & SPI_STAT_RFE) + if (ctrlc()) + return -1; + value = bfin_read32(&bss->regs->rfifo); + if (rx) + *rx++ = value; + debug("rx:%x\n", value); + } + + return 0; +} + +int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, + void *din, unsigned long flags) +{ + struct bfin_spi_slave *bss = to_bfin_spi_slave(slave); + const u8 *tx = dout; + u8 *rx = din; + uint bytes = bitlen / 8; + int ret = 0; + + 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; + + /* we can only do 8 bit transfers */ + if (bitlen % 8) { + flags |= SPI_XFER_END; + goto done; + } + + if (flags & SPI_XFER_BEGIN) + spi_cs_activate(slave); + + ret = spi_pio_xfer(bss, tx, rx, bytes); + + done: + if (flags & SPI_XFER_END) + spi_cs_deactivate(slave); + + return ret; +} diff --git a/drivers/video/omap3_dss.c b/drivers/video/omap3_dss.c index b1424bf..6efba12 100644 --- a/drivers/video/omap3_dss.c +++ b/drivers/video/omap3_dss.c @@ -121,7 +121,7 @@ void omap3_dss_panel_config(const struct panel_config *panel_cfg) if (!panel_cfg->frame_buffer) return; - writel(8 << GFX_FORMAT_SHIFT | GFX_ENABLE, &dispc->gfx_attributes); + writel(panel_cfg->gfx_format | GFX_ENABLE, &dispc->gfx_attributes); writel(1, &dispc->gfx_row_inc); writel(1, &dispc->gfx_pixel_inc); writel(panel_cfg->lcd_size, &dispc->gfx_size); |