diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/hvc_console.c | 12 | ||||
-rw-r--r-- | drivers/char/hvsi.c | 4 | ||||
-rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 69 | ||||
-rw-r--r-- | drivers/input/serio/i8042-io.h | 5 | ||||
-rw-r--r-- | drivers/mtd/maps/Kconfig | 2 | ||||
-rw-r--r-- | drivers/mtd/maps/redwood.c | 43 | ||||
-rw-r--r-- | drivers/net/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/smc91x.h | 37 | ||||
-rw-r--r-- | drivers/serial/mpc52xx_uart.c | 145 | ||||
-rw-r--r-- | drivers/video/Kconfig | 1 | ||||
-rw-r--r-- | drivers/video/fsl-diu-fb.c | 137 | ||||
-rw-r--r-- | drivers/video/fsl-diu-fb.h | 223 | ||||
-rw-r--r-- | drivers/video/xilinxfb.c | 2 |
13 files changed, 294 insertions, 388 deletions
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 35cca4c7fb18..fa27d1676ee5 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -194,7 +194,7 @@ static int __init hvc_console_setup(struct console *co, char *options) return 0; } -static struct console hvc_con_driver = { +static struct console hvc_console = { .name = "hvc", .write = hvc_console_print, .device = hvc_console_device, @@ -220,7 +220,7 @@ static struct console hvc_con_driver = { */ static int __init hvc_console_init(void) { - register_console(&hvc_con_driver); + register_console(&hvc_console); return 0; } console_initcall(hvc_console_init); @@ -276,8 +276,8 @@ int hvc_instantiate(uint32_t vtermno, int index, const struct hv_ops *ops) * now (setup won't fail at this point). It's ok to just * call register again if previously .setup failed. */ - if (index == hvc_con_driver.index) - register_console(&hvc_con_driver); + if (index == hvc_console.index) + register_console(&hvc_console); return 0; } @@ -641,7 +641,7 @@ int hvc_poll(struct hvc_struct *hp) } for (i = 0; i < n; ++i) { #ifdef CONFIG_MAGIC_SYSRQ - if (hp->index == hvc_con_driver.index) { + if (hp->index == hvc_console.index) { /* Handle the SysRq Hack */ /* XXX should support a sequence */ if (buf[i] == '\x0f') { /* ^O */ @@ -909,7 +909,7 @@ static void __exit hvc_exit(void) tty_unregister_driver(hvc_driver); /* return tty_struct instances allocated in hvc_init(). */ put_tty_driver(hvc_driver); - unregister_console(&hvc_con_driver); + unregister_console(&hvc_console); } } module_exit(hvc_exit); diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c index d4b14ff1c4c1..1f4b6de65a2d 100644 --- a/drivers/char/hvsi.c +++ b/drivers/char/hvsi.c @@ -1255,7 +1255,7 @@ static int __init hvsi_console_setup(struct console *console, char *options) return 0; } -static struct console hvsi_con_driver = { +static struct console hvsi_console = { .name = "hvsi", .write = hvsi_console_print, .device = hvsi_console_device, @@ -1308,7 +1308,7 @@ static int __init hvsi_console_init(void) } if (hvsi_count) - register_console(&hvsi_con_driver); + register_console(&hvsi_console); return 0; } console_initcall(hvsi_console_init); diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index df00eb1f11f9..54247d475fc3 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -63,6 +63,7 @@ struct mpc_i2c { wait_queue_head_t queue; struct i2c_adapter adap; int irq; + u32 real_clk; }; struct mpc_i2c_divider { @@ -96,20 +97,23 @@ static irqreturn_t mpc_i2c_isr(int irq, void *dev_id) /* Sometimes 9th clock pulse isn't generated, and slave doesn't release * the bus, because it wants to send ACK. * Following sequence of enabling/disabling and sending start/stop generates - * the pulse, so it's all OK. + * the 9 pulses, so it's all OK. */ static void mpc_i2c_fixup(struct mpc_i2c *i2c) { - writeccr(i2c, 0); - udelay(30); - writeccr(i2c, CCR_MEN); - udelay(30); - writeccr(i2c, CCR_MSTA | CCR_MTX); - udelay(30); - writeccr(i2c, CCR_MSTA | CCR_MTX | CCR_MEN); - udelay(30); - writeccr(i2c, CCR_MEN); - udelay(30); + int k; + u32 delay_val = 1000000 / i2c->real_clk + 1; + + if (delay_val < 2) + delay_val = 2; + + for (k = 9; k; k--) { + writeccr(i2c, 0); + writeccr(i2c, CCR_MSTA | CCR_MTX | CCR_MEN); + udelay(delay_val); + writeccr(i2c, CCR_MEN); + udelay(delay_val << 1); + } } static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) @@ -190,15 +194,18 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] __devinitconst = { }; static int __devinit mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, - int prescaler) + int prescaler, u32 *real_clk) { const struct mpc_i2c_divider *div = NULL; unsigned int pvr = mfspr(SPRN_PVR); u32 divider; int i; - if (clock == MPC_I2C_CLOCK_LEGACY) + if (clock == MPC_I2C_CLOCK_LEGACY) { + /* see below - default fdr = 0x3f -> div = 2048 */ + *real_clk = mpc5xxx_get_bus_frequency(node) / 2048; return -EINVAL; + } /* Determine divider value */ divider = mpc5xxx_get_bus_frequency(node) / clock; @@ -216,7 +223,8 @@ static int __devinit mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, break; } - return div ? (int)div->fdr : -EINVAL; + *real_clk = mpc5xxx_get_bus_frequency(node) / div->divider; + return (int)div->fdr; } static void __devinit mpc_i2c_setup_52xx(struct device_node *node, @@ -231,13 +239,14 @@ static void __devinit mpc_i2c_setup_52xx(struct device_node *node, return; } - ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler); + ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler, &i2c->real_clk); fdr = (ret >= 0) ? ret : 0x3f; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); if (ret >= 0) - dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); + dev_info(i2c->dev, "clock %u Hz (fdr=%d)\n", i2c->real_clk, + fdr); } #else /* !(CONFIG_PPC_MPC52xx || CONFIG_PPC_MPC512x) */ static void __devinit mpc_i2c_setup_52xx(struct device_node *node, @@ -334,14 +343,17 @@ static u32 __devinit mpc_i2c_get_sec_cfg_8xxx(void) } static int __devinit mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, - u32 prescaler) + u32 prescaler, u32 *real_clk) { const struct mpc_i2c_divider *div = NULL; u32 divider; int i; - if (clock == MPC_I2C_CLOCK_LEGACY) + if (clock == MPC_I2C_CLOCK_LEGACY) { + /* see below - default fdr = 0x1031 -> div = 16 * 3072 */ + *real_clk = fsl_get_sys_freq() / prescaler / (16 * 3072); return -EINVAL; + } /* Determine proper divider value */ if (of_device_is_compatible(node, "fsl,mpc8544-i2c")) @@ -364,6 +376,7 @@ static int __devinit mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, break; } + *real_clk = fsl_get_sys_freq() / prescaler / div->divider; return div ? (int)div->fdr : -EINVAL; } @@ -380,7 +393,7 @@ static void __devinit mpc_i2c_setup_8xxx(struct device_node *node, return; } - ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler); + ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler, &i2c->real_clk); fdr = (ret >= 0) ? ret : 0x1031; /* backward compatibility */ writeb(fdr & 0xff, i2c->base + MPC_I2C_FDR); @@ -388,7 +401,7 @@ static void __devinit mpc_i2c_setup_8xxx(struct device_node *node, if (ret >= 0) dev_info(i2c->dev, "clock %d Hz (dfsrr=%d fdr=%d)\n", - clock, fdr >> 8, fdr & 0xff); + i2c->real_clk, fdr >> 8, fdr & 0xff); } #else /* !CONFIG_FSL_SOC */ @@ -500,10 +513,14 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) return -EINTR; } if (time_after(jiffies, orig_jiffies + HZ)) { + u8 status = readb(i2c->base + MPC_I2C_SR); + dev_dbg(i2c->dev, "timeout\n"); - if (readb(i2c->base + MPC_I2C_SR) == - (CSR_MCF | CSR_MBB | CSR_RXAK)) + if ((status & (CSR_MCF | CSR_MBB | CSR_RXAK)) != 0) { + writeb(status & ~CSR_MAL, + i2c->base + MPC_I2C_SR); mpc_i2c_fixup(i2c); + } return -EIO; } schedule(); @@ -595,6 +612,14 @@ static int __devinit fsl_i2c_probe(struct of_device *op, mpc_i2c_setup_8xxx(op->dev.of_node, i2c, clock, 0); } + prop = of_get_property(op->dev.of_node, "fsl,timeout", &plen); + if (prop && plen == sizeof(u32)) { + mpc_ops.timeout = *prop * HZ / 1000000; + if (mpc_ops.timeout < 5) + mpc_ops.timeout = 5; + } + dev_info(i2c->dev, "timeout %u us\n", mpc_ops.timeout * 1000000 / HZ); + dev_set_drvdata(&op->dev, i2c); i2c->adap = mpc_ops; diff --git a/drivers/input/serio/i8042-io.h b/drivers/input/serio/i8042-io.h index 847f4aad7ed5..5d48bb66aa73 100644 --- a/drivers/input/serio/i8042-io.h +++ b/drivers/input/serio/i8042-io.h @@ -27,6 +27,11 @@ #include <asm/irq.h> #elif defined(CONFIG_SH_CAYMAN) #include <asm/irq.h> +#elif defined(CONFIG_PPC) +extern int of_i8042_kbd_irq; +extern int of_i8042_aux_irq; +# define I8042_KBD_IRQ of_i8042_kbd_irq +# define I8042_AUX_IRQ of_i8042_aux_irq #else # define I8042_KBD_IRQ 1 # define I8042_AUX_IRQ 12 diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index f22bc9f05ddb..6629d09f3b38 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -321,7 +321,7 @@ config MTD_CFI_FLAGADM config MTD_REDWOOD tristate "CFI Flash devices mapped on IBM Redwood" - depends on MTD_CFI && ( REDWOOD_4 || REDWOOD_5 || REDWOOD_6 ) + depends on MTD_CFI help This enables access routines for the flash chips on the IBM Redwood board. If you have one of these boards and would like to diff --git a/drivers/mtd/maps/redwood.c b/drivers/mtd/maps/redwood.c index 933c0b63b016..d2c9db00db0c 100644 --- a/drivers/mtd/maps/redwood.c +++ b/drivers/mtd/maps/redwood.c @@ -22,8 +22,6 @@ #include <asm/io.h> -#if !defined (CONFIG_REDWOOD_6) - #define WINDOW_ADDR 0xffc00000 #define WINDOW_SIZE 0x00400000 @@ -69,47 +67,6 @@ static struct mtd_partition redwood_flash_partitions[] = { } }; -#else /* CONFIG_REDWOOD_6 */ -/* FIXME: the window is bigger - armin */ -#define WINDOW_ADDR 0xff800000 -#define WINDOW_SIZE 0x00800000 - -#define RW_PART0_OF 0 -#define RW_PART0_SZ 0x400000 /* 4 MiB data */ -#define RW_PART1_OF RW_PART0_OF + RW_PART0_SZ -#define RW_PART1_SZ 0x10000 /* 64K VPD */ -#define RW_PART2_OF RW_PART1_OF + RW_PART1_SZ -#define RW_PART2_SZ 0x400000 - (0x10000 + 0x20000) -#define RW_PART3_OF RW_PART2_OF + RW_PART2_SZ -#define RW_PART3_SZ 0x20000 - -static struct mtd_partition redwood_flash_partitions[] = { - { - .name = "Redwood filesystem", - .offset = RW_PART0_OF, - .size = RW_PART0_SZ - }, - { - .name = "Redwood OpenBIOS Vital Product Data", - .offset = RW_PART1_OF, - .size = RW_PART1_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - }, - { - .name = "Redwood kernel", - .offset = RW_PART2_OF, - .size = RW_PART2_SZ - }, - { - .name = "Redwood OpenBIOS", - .offset = RW_PART3_OF, - .size = RW_PART3_SZ, - .mask_flags = MTD_WRITEABLE /* force read-only */ - } -}; - -#endif /* CONFIG_REDWOOD_6 */ - struct map_info redwood_flash_map = { .name = "IBM Redwood", .size = WINDOW_SIZE, diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 23c13180ff14..5a6895320b48 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -914,7 +914,7 @@ config SMC91X tristate "SMC 91C9x/91C1xxx support" select CRC32 select MII - depends on ARM || REDWOOD_5 || REDWOOD_6 || M32R || SUPERH || \ + depends on ARM || M32R || SUPERH || \ MIPS || BLACKFIN || MN10300 || COLDFIRE help This is a driver for SMC's 91x series of Ethernet chipsets, diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index 8d2772cc42f2..ee747919a766 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -83,43 +83,6 @@ static inline void SMC_outw(u16 val, void __iomem *ioaddr, int reg) } } -#elif defined(CONFIG_REDWOOD_5) || defined(CONFIG_REDWOOD_6) - -/* We can only do 16-bit reads and writes in the static memory space. */ -#define SMC_CAN_USE_8BIT 0 -#define SMC_CAN_USE_16BIT 1 -#define SMC_CAN_USE_32BIT 0 -#define SMC_NOWAIT 1 - -#define SMC_IO_SHIFT 0 - -#define SMC_inw(a, r) in_be16((volatile u16 *)((a) + (r))) -#define SMC_outw(v, a, r) out_be16((volatile u16 *)((a) + (r)), v) -#define SMC_insw(a, r, p, l) \ - do { \ - unsigned long __port = (a) + (r); \ - u16 *__p = (u16 *)(p); \ - int __l = (l); \ - insw(__port, __p, __l); \ - while (__l > 0) { \ - *__p = swab16(*__p); \ - __p++; \ - __l--; \ - } \ - } while (0) -#define SMC_outsw(a, r, p, l) \ - do { \ - unsigned long __port = (a) + (r); \ - u16 *__p = (u16 *)(p); \ - int __l = (l); \ - while (__l > 0) { \ - /* Believe it or not, the swab isn't needed. */ \ - outw( /* swab16 */ (*__p++), __port); \ - __l--; \ - } \ - } while (0) -#define SMC_IRQ_FLAGS (0) - #elif defined(CONFIG_SA1100_PLEB) /* We can only do 16-bit reads and writes in the static memory space. */ #define SMC_CAN_USE_8BIT 1 diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 84a35f699016..1a88b363005c 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -113,7 +113,9 @@ struct psc_ops { unsigned char (*read_char)(struct uart_port *port); void (*cw_disable_ints)(struct uart_port *port); void (*cw_restore_ints)(struct uart_port *port); - unsigned long (*getuartclk)(void *p); + unsigned int (*set_baudrate)(struct uart_port *port, + struct ktermios *new, + struct ktermios *old); int (*clock)(struct uart_port *port, int enable); int (*fifoc_init)(void); void (*fifoc_uninit)(void); @@ -121,6 +123,16 @@ struct psc_ops { irqreturn_t (*handle_irq)(struct uart_port *port); }; +/* setting the prescaler and divisor reg is common for all chips */ +static inline void mpc52xx_set_divisor(struct mpc52xx_psc __iomem *psc, + u16 prescaler, unsigned int divisor) +{ + /* select prescaler */ + out_be16(&psc->mpc52xx_psc_clock_select, prescaler); + out_8(&psc->ctur, divisor >> 8); + out_8(&psc->ctlr, divisor & 0xff); +} + #ifdef CONFIG_PPC_MPC52xx #define FIFO_52xx(port) ((struct mpc52xx_psc_fifo __iomem *)(PSC(port)+1)) static void mpc52xx_psc_fifo_init(struct uart_port *port) @@ -128,9 +140,6 @@ static void mpc52xx_psc_fifo_init(struct uart_port *port) struct mpc52xx_psc __iomem *psc = PSC(port); struct mpc52xx_psc_fifo __iomem *fifo = FIFO_52xx(port); - /* /32 prescaler */ - out_be16(&psc->mpc52xx_psc_clock_select, 0xdd00); - out_8(&fifo->rfcntl, 0x00); out_be16(&fifo->rfalarm, 0x1ff); out_8(&fifo->tfcntl, 0x07); @@ -219,15 +228,47 @@ static void mpc52xx_psc_cw_restore_ints(struct uart_port *port) out_be16(&PSC(port)->mpc52xx_psc_imr, port->read_status_mask); } -/* Search for bus-frequency property in this node or a parent */ -static unsigned long mpc52xx_getuartclk(void *p) +static unsigned int mpc5200_psc_set_baudrate(struct uart_port *port, + struct ktermios *new, + struct ktermios *old) { - /* - * 5200 UARTs have a / 32 prescaler - * but the generic serial code assumes 16 - * so return ipb freq / 2 - */ - return mpc5xxx_get_bus_frequency(p) / 2; + unsigned int baud; + unsigned int divisor; + + /* The 5200 has a fixed /32 prescaler, uartclk contains the ipb freq */ + baud = uart_get_baud_rate(port, new, old, + port->uartclk / (32 * 0xffff) + 1, + port->uartclk / 32); + divisor = (port->uartclk + 16 * baud) / (32 * baud); + + /* enable the /32 prescaler and set the divisor */ + mpc52xx_set_divisor(PSC(port), 0xdd00, divisor); + return baud; +} + +static unsigned int mpc5200b_psc_set_baudrate(struct uart_port *port, + struct ktermios *new, + struct ktermios *old) +{ + unsigned int baud; + unsigned int divisor; + u16 prescaler; + + /* The 5200B has a selectable /4 or /32 prescaler, uartclk contains the + * ipb freq */ + baud = uart_get_baud_rate(port, new, old, + port->uartclk / (32 * 0xffff) + 1, + port->uartclk / 4); + divisor = (port->uartclk + 2 * baud) / (4 * baud); + + /* select the proper prescaler and set the divisor */ + if (divisor > 0xffff) { + divisor = (divisor + 4) / 8; + prescaler = 0xdd00; /* /32 */ + } else + prescaler = 0xff00; /* /4 */ + mpc52xx_set_divisor(PSC(port), prescaler, divisor); + return baud; } static void mpc52xx_psc_get_irq(struct uart_port *port, struct device_node *np) @@ -258,7 +299,28 @@ static struct psc_ops mpc52xx_psc_ops = { .read_char = mpc52xx_psc_read_char, .cw_disable_ints = mpc52xx_psc_cw_disable_ints, .cw_restore_ints = mpc52xx_psc_cw_restore_ints, - .getuartclk = mpc52xx_getuartclk, + .set_baudrate = mpc5200_psc_set_baudrate, + .get_irq = mpc52xx_psc_get_irq, + .handle_irq = mpc52xx_psc_handle_irq, +}; + +static struct psc_ops mpc5200b_psc_ops = { + .fifo_init = mpc52xx_psc_fifo_init, + .raw_rx_rdy = mpc52xx_psc_raw_rx_rdy, + .raw_tx_rdy = mpc52xx_psc_raw_tx_rdy, + .rx_rdy = mpc52xx_psc_rx_rdy, + .tx_rdy = mpc52xx_psc_tx_rdy, + .tx_empty = mpc52xx_psc_tx_empty, + .stop_rx = mpc52xx_psc_stop_rx, + .start_tx = mpc52xx_psc_start_tx, + .stop_tx = mpc52xx_psc_stop_tx, + .rx_clr_irq = mpc52xx_psc_rx_clr_irq, + .tx_clr_irq = mpc52xx_psc_tx_clr_irq, + .write_char = mpc52xx_psc_write_char, + .read_char = mpc52xx_psc_read_char, + .cw_disable_ints = mpc52xx_psc_cw_disable_ints, + .cw_restore_ints = mpc52xx_psc_cw_restore_ints, + .set_baudrate = mpc5200b_psc_set_baudrate, .get_irq = mpc52xx_psc_get_irq, .handle_irq = mpc52xx_psc_handle_irq, }; @@ -392,9 +454,35 @@ static void mpc512x_psc_cw_restore_ints(struct uart_port *port) out_be32(&FIFO_512x(port)->rximr, port->read_status_mask & 0x7f); } -static unsigned long mpc512x_getuartclk(void *p) +static unsigned int mpc512x_psc_set_baudrate(struct uart_port *port, + struct ktermios *new, + struct ktermios *old) { - return mpc5xxx_get_bus_frequency(p); + unsigned int baud; + unsigned int divisor; + + /* + * The "MPC5121e Microcontroller Reference Manual, Rev. 3" says on + * pg. 30-10 that the chip supports a /32 and a /10 prescaler. + * Furthermore, it states that "After reset, the prescaler by 10 + * for the UART mode is selected", but the reset register value is + * 0x0000 which means a /32 prescaler. This is wrong. + * + * In reality using /32 prescaler doesn't work, as it is not supported! + * Use /16 or /10 prescaler, see "MPC5121e Hardware Design Guide", + * Chapter 4.1 PSC in UART Mode. + * Calculate with a /16 prescaler here. + */ + + /* uartclk contains the ips freq */ + baud = uart_get_baud_rate(port, new, old, + port->uartclk / (16 * 0xffff) + 1, + port->uartclk / 16); + divisor = (port->uartclk + 8 * baud) / (16 * baud); + + /* enable the /16 prescaler and set the divisor */ + mpc52xx_set_divisor(PSC(port), 0xdd00, divisor); + return baud; } /* Init PSC FIFO Controller */ @@ -498,7 +586,7 @@ static struct psc_ops mpc512x_psc_ops = { .read_char = mpc512x_psc_read_char, .cw_disable_ints = mpc512x_psc_cw_disable_ints, .cw_restore_ints = mpc512x_psc_cw_restore_ints, - .getuartclk = mpc512x_getuartclk, + .set_baudrate = mpc512x_psc_set_baudrate, .clock = mpc512x_psc_clock, .fifoc_init = mpc512x_psc_fifoc_init, .fifoc_uninit = mpc512x_psc_fifoc_uninit, @@ -666,8 +754,8 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new, struct mpc52xx_psc __iomem *psc = PSC(port); unsigned long flags; unsigned char mr1, mr2; - unsigned short ctr; - unsigned int j, baud, quot; + unsigned int j; + unsigned int baud; /* Prepare what we're gonna write */ mr1 = 0; @@ -704,16 +792,9 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new, mr2 |= MPC52xx_PSC_MODE_TXCTS; } - baud = uart_get_baud_rate(port, new, old, 0, port->uartclk/16); - quot = uart_get_divisor(port, baud); - ctr = quot & 0xffff; - /* Get the lock */ spin_lock_irqsave(&port->lock, flags); - /* Update the per-port timeout */ - uart_update_timeout(port, new->c_cflag, baud); - /* Do our best to flush TX & RX, so we don't lose anything */ /* But we don't wait indefinitely ! */ j = 5000000; /* Maximum wait */ @@ -737,8 +818,10 @@ mpc52xx_uart_set_termios(struct uart_port *port, struct ktermios *new, out_8(&psc->command, MPC52xx_PSC_SEL_MODE_REG_1); out_8(&psc->mode, mr1); out_8(&psc->mode, mr2); - out_8(&psc->ctur, ctr >> 8); - out_8(&psc->ctlr, ctr & 0xff); + baud = psc_ops->set_baudrate(port, new, old); + + /* Update the per-port timeout */ + uart_update_timeout(port, new->c_cflag, baud); if (UART_ENABLE_MS(port, new->c_cflag)) mpc52xx_uart_enable_ms(port); @@ -1118,7 +1201,7 @@ mpc52xx_console_setup(struct console *co, char *options) return ret; } - uartclk = psc_ops->getuartclk(np); + uartclk = mpc5xxx_get_bus_frequency(np); if (uartclk == 0) { pr_debug("Could not find uart clock frequency!\n"); return -EINVAL; @@ -1201,6 +1284,7 @@ static struct uart_driver mpc52xx_uart_driver = { static struct of_device_id mpc52xx_uart_of_match[] = { #ifdef CONFIG_PPC_MPC52xx + { .compatible = "fsl,mpc5200b-psc-uart", .data = &mpc5200b_psc_ops, }, { .compatible = "fsl,mpc5200-psc-uart", .data = &mpc52xx_psc_ops, }, /* binding used by old lite5200 device trees: */ { .compatible = "mpc5200-psc-uart", .data = &mpc52xx_psc_ops, }, @@ -1233,7 +1317,10 @@ mpc52xx_uart_of_probe(struct of_device *op, const struct of_device_id *match) pr_debug("Found %s assigned to ttyPSC%x\n", mpc52xx_uart_nodes[idx]->full_name, idx); - uartclk = psc_ops->getuartclk(op->dev.of_node); + /* set the uart clock to the input clock of the psc, the different + * prescalers are taken into account in the set_baudrate() methods + * of the respective chip */ + uartclk = mpc5xxx_get_bus_frequency(op->dev.of_node); if (uartclk == 0) { dev_dbg(&op->dev, "Could not find uart clock frequency!\n"); return -EINVAL; diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 9e711a1d0d97..7b11ea68c80e 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1871,6 +1871,7 @@ config FB_MBX_DEBUG config FB_FSL_DIU tristate "Freescale DIU framebuffer support" depends on FB && FSL_SOC + select FB_MODE_HELPERS select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c index 27455ce298b7..e38ad2224540 100644 --- a/drivers/video/fsl-diu-fb.c +++ b/drivers/video/fsl-diu-fb.c @@ -34,7 +34,8 @@ #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> -#include "fsl-diu-fb.h" +#include <linux/fsl-diu-fb.h> +#include "edid.h" /* * These parameters give default parameters @@ -217,6 +218,7 @@ struct mfb_info { int x_aoi_d; /* aoi display x offset to physical screen */ int y_aoi_d; /* aoi display y offset to physical screen */ struct fsl_diu_data *parent; + u8 *edid_data; }; @@ -317,6 +319,17 @@ static void fsl_diu_free(void *virt, size_t size) free_pages_exact(virt, size); } +/* + * Workaround for failed writing desc register of planes. + * Needed with MPC5121 DIU rev 2.0 silicon. + */ +void wr_reg_wa(u32 *reg, u32 val) +{ + do { + out_be32(reg, val); + } while (in_be32(reg) != val); +} + static int fsl_diu_enable_panel(struct fb_info *info) { struct mfb_info *pmfbi, *cmfbi, *mfbi = info->par; @@ -330,7 +343,7 @@ static int fsl_diu_enable_panel(struct fb_info *info) switch (mfbi->index) { case 0: /* plane 0 */ if (hw->desc[0] != ad->paddr) - out_be32(&hw->desc[0], ad->paddr); + wr_reg_wa(&hw->desc[0], ad->paddr); break; case 1: /* plane 1 AOI 0 */ cmfbi = machine_data->fsl_diu_info[2]->par; @@ -340,7 +353,7 @@ static int fsl_diu_enable_panel(struct fb_info *info) cpu_to_le32(cmfbi->ad->paddr); else ad->next_ad = 0; - out_be32(&hw->desc[1], ad->paddr); + wr_reg_wa(&hw->desc[1], ad->paddr); } break; case 3: /* plane 2 AOI 0 */ @@ -351,14 +364,14 @@ static int fsl_diu_enable_panel(struct fb_info *info) cpu_to_le32(cmfbi->ad->paddr); else ad->next_ad = 0; - out_be32(&hw->desc[2], ad->paddr); + wr_reg_wa(&hw->desc[2], ad->paddr); } break; case 2: /* plane 1 AOI 1 */ pmfbi = machine_data->fsl_diu_info[1]->par; ad->next_ad = 0; if (hw->desc[1] == machine_data->dummy_ad->paddr) - out_be32(&hw->desc[1], ad->paddr); + wr_reg_wa(&hw->desc[1], ad->paddr); else /* AOI0 open */ pmfbi->ad->next_ad = cpu_to_le32(ad->paddr); break; @@ -366,7 +379,7 @@ static int fsl_diu_enable_panel(struct fb_info *info) pmfbi = machine_data->fsl_diu_info[3]->par; ad->next_ad = 0; if (hw->desc[2] == machine_data->dummy_ad->paddr) - out_be32(&hw->desc[2], ad->paddr); + wr_reg_wa(&hw->desc[2], ad->paddr); else /* AOI0 was open */ pmfbi->ad->next_ad = cpu_to_le32(ad->paddr); break; @@ -390,27 +403,24 @@ static int fsl_diu_disable_panel(struct fb_info *info) switch (mfbi->index) { case 0: /* plane 0 */ if (hw->desc[0] != machine_data->dummy_ad->paddr) - out_be32(&hw->desc[0], - machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[0], machine_data->dummy_ad->paddr); break; case 1: /* plane 1 AOI 0 */ cmfbi = machine_data->fsl_diu_info[2]->par; if (cmfbi->count > 0) /* AOI1 is open */ - out_be32(&hw->desc[1], cmfbi->ad->paddr); + wr_reg_wa(&hw->desc[1], cmfbi->ad->paddr); /* move AOI1 to the first */ else /* AOI1 was closed */ - out_be32(&hw->desc[1], - machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr); /* close AOI 0 */ break; case 3: /* plane 2 AOI 0 */ cmfbi = machine_data->fsl_diu_info[4]->par; if (cmfbi->count > 0) /* AOI1 is open */ - out_be32(&hw->desc[2], cmfbi->ad->paddr); + wr_reg_wa(&hw->desc[2], cmfbi->ad->paddr); /* move AOI1 to the first */ else /* AOI1 was closed */ - out_be32(&hw->desc[2], - machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr); /* close AOI 0 */ break; case 2: /* plane 1 AOI 1 */ @@ -421,7 +431,7 @@ static int fsl_diu_disable_panel(struct fb_info *info) /* AOI0 is open, must be the first */ pmfbi->ad->next_ad = 0; } else /* AOI1 is the first in the chain */ - out_be32(&hw->desc[1], machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[1], machine_data->dummy_ad->paddr); /* close AOI 1 */ break; case 4: /* plane 2 AOI 1 */ @@ -432,7 +442,7 @@ static int fsl_diu_disable_panel(struct fb_info *info) /* AOI0 is open, must be the first */ pmfbi->ad->next_ad = 0; } else /* AOI1 is the first in the chain */ - out_be32(&hw->desc[2], machine_data->dummy_ad->paddr); + wr_reg_wa(&hw->desc[2], machine_data->dummy_ad->paddr); /* close AOI 1 */ break; default: @@ -1100,6 +1110,10 @@ static int fsl_diu_open(struct fb_info *info, int user) struct mfb_info *mfbi = info->par; int res = 0; + /* free boot splash memory on first /dev/fb0 open */ + if (!mfbi->index && diu_ops.release_bootmem) + diu_ops.release_bootmem(); + spin_lock(&diu_lock); mfbi->count++; if (mfbi->count == 1) { @@ -1173,18 +1187,30 @@ static int __devinit install_fb(struct fb_info *info) int rc; struct mfb_info *mfbi = info->par; const char *aoi_mode, *init_aoi_mode = "320x240"; + struct fb_videomode *db = fsl_diu_mode_db; + unsigned int dbsize = ARRAY_SIZE(fsl_diu_mode_db); + int has_default_mode = 1; if (init_fbinfo(info)) return -EINVAL; - if (mfbi->index == 0) /* plane 0 */ + if (mfbi->index == 0) { /* plane 0 */ + if (mfbi->edid_data) { + /* Now build modedb from EDID */ + fb_edid_to_monspecs(mfbi->edid_data, &info->monspecs); + fb_videomode_to_modelist(info->monspecs.modedb, + info->monspecs.modedb_len, + &info->modelist); + db = info->monspecs.modedb; + dbsize = info->monspecs.modedb_len; + } aoi_mode = fb_mode; - else + } else { aoi_mode = init_aoi_mode; + } pr_debug("mode used = %s\n", aoi_mode); - rc = fb_find_mode(&info->var, info, aoi_mode, fsl_diu_mode_db, - ARRAY_SIZE(fsl_diu_mode_db), &fsl_diu_default_mode, default_bpp); - + rc = fb_find_mode(&info->var, info, aoi_mode, db, dbsize, + &fsl_diu_default_mode, default_bpp); switch (rc) { case 1: pr_debug("using mode specified in @mode\n"); @@ -1202,10 +1228,50 @@ static int __devinit install_fb(struct fb_info *info) default: pr_debug("rc = %d\n", rc); pr_debug("failed to find mode\n"); - return -EINVAL; + /* + * For plane 0 we continue and look into + * driver's internal modedb. + */ + if (mfbi->index == 0 && mfbi->edid_data) + has_default_mode = 0; + else + return -EINVAL; break; } + if (!has_default_mode) { + rc = fb_find_mode(&info->var, info, aoi_mode, fsl_diu_mode_db, + ARRAY_SIZE(fsl_diu_mode_db), + &fsl_diu_default_mode, + default_bpp); + if (rc > 0 && rc < 5) + has_default_mode = 1; + } + + /* Still not found, use preferred mode from database if any */ + if (!has_default_mode && info->monspecs.modedb) { + struct fb_monspecs *specs = &info->monspecs; + struct fb_videomode *modedb = &specs->modedb[0]; + + /* + * Get preferred timing. If not found, + * first mode in database will be used. + */ + if (specs->misc & FB_MISC_1ST_DETAIL) { + int i; + + for (i = 0; i < specs->modedb_len; i++) { + if (specs->modedb[i].flag & FB_MODE_IS_FIRST) { + modedb = &specs->modedb[i]; + break; + } + } + } + + info->var.bits_per_pixel = default_bpp; + fb_videomode_to_var(&info->var, modedb); + } + pr_debug("xres_virtual %d\n", info->var.xres_virtual); pr_debug("bits_per_pixel %d\n", info->var.bits_per_pixel); @@ -1244,6 +1310,9 @@ static void uninstall_fb(struct fb_info *info) if (!mfbi->registered) return; + if (mfbi->index == 0) + kfree(mfbi->edid_data); + unregister_framebuffer(info); unmap_video_memory(info); if (&info->cmap) @@ -1427,6 +1496,7 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, int ret, i, error = 0; struct resource res; struct fsl_diu_data *machine_data; + int diu_mode; machine_data = kzalloc(sizeof(struct fsl_diu_data), GFP_KERNEL); if (!machine_data) @@ -1443,6 +1513,17 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, mfbi = machine_data->fsl_diu_info[i]->par; memcpy(mfbi, &mfb_template[i], sizeof(struct mfb_info)); mfbi->parent = machine_data; + + if (mfbi->index == 0) { + const u8 *prop; + int len; + + /* Get EDID */ + prop = of_get_property(np, "edid", &len); + if (prop && len == EDID_LENGTH) + mfbi->edid_data = kmemdup(prop, EDID_LENGTH, + GFP_KERNEL); + } } ret = of_address_to_resource(np, 0, &res); @@ -1463,7 +1544,9 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, goto error2; } - out_be32(&dr.diu_reg->diu_mode, 0); /* disable DIU anyway*/ + diu_mode = in_be32(&dr.diu_reg->diu_mode); + if (diu_mode != MFB_MODE1) + out_be32(&dr.diu_reg->diu_mode, 0); /* disable DIU */ /* Get the IRQ of the DIU */ machine_data->irq = irq_of_parse_and_map(np, 0); @@ -1511,7 +1594,13 @@ static int __devinit fsl_diu_probe(struct of_device *ofdev, machine_data->dummy_ad->offset_xyd = 0; machine_data->dummy_ad->next_ad = 0; - out_be32(&dr.diu_reg->desc[0], machine_data->dummy_ad->paddr); + /* + * Let DIU display splash screen if it was pre-initialized + * by the bootloader, set dummy area descriptor otherwise. + */ + if (diu_mode != MFB_MODE1) + out_be32(&dr.diu_reg->desc[0], machine_data->dummy_ad->paddr); + out_be32(&dr.diu_reg->desc[1], machine_data->dummy_ad->paddr); out_be32(&dr.diu_reg->desc[2], machine_data->dummy_ad->paddr); diff --git a/drivers/video/fsl-diu-fb.h b/drivers/video/fsl-diu-fb.h deleted file mode 100644 index fc295d7ea463..000000000000 --- a/drivers/video/fsl-diu-fb.h +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. - * - * Freescale DIU Frame Buffer device driver - * - * Authors: Hongjun Chen <hong-jun.chen@freescale.com> - * Paul Widmer <paul.widmer@freescale.com> - * Srikanth Srinivasan <srikanth.srinivasan@freescale.com> - * York Sun <yorksun@freescale.com> - * - * Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix - * - * 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. - * - */ - -#ifndef __FSL_DIU_FB_H__ -#define __FSL_DIU_FB_H__ - -/* Arbitrary threshold to determine the allocation method - * See mpc8610fb_set_par(), map_video_memory(), and unmap_video_memory() - */ -#define MEM_ALLOC_THRESHOLD (1024*768*4+32) -/* Minimum value that the pixel clock can be set to in pico seconds - * This is determined by platform clock/3 where the minimum platform - * clock is 533MHz. This gives 5629 pico seconds. - */ -#define MIN_PIX_CLK 5629 -#define MAX_PIX_CLK 96096 - -#include <linux/types.h> - -struct mfb_alpha { - int enable; - int alpha; -}; - -struct mfb_chroma_key { - int enable; - __u8 red_max; - __u8 green_max; - __u8 blue_max; - __u8 red_min; - __u8 green_min; - __u8 blue_min; -}; - -struct aoi_display_offset { - int x_aoi_d; - int y_aoi_d; -}; - -#define MFB_SET_CHROMA_KEY _IOW('M', 1, struct mfb_chroma_key) -#define MFB_WAIT_FOR_VSYNC _IOW('F', 0x20, u_int32_t) -#define MFB_SET_BRIGHTNESS _IOW('M', 3, __u8) - -#define MFB_SET_ALPHA 0x80014d00 -#define MFB_GET_ALPHA 0x40014d00 -#define MFB_SET_AOID 0x80084d04 -#define MFB_GET_AOID 0x40084d04 -#define MFB_SET_PIXFMT 0x80014d08 -#define MFB_GET_PIXFMT 0x40014d08 - -#define FBIOGET_GWINFO 0x46E0 -#define FBIOPUT_GWINFO 0x46E1 - -#ifdef __KERNEL__ -#include <linux/spinlock.h> - -/* - * These are the fields of area descriptor(in DDR memory) for every plane - */ -struct diu_ad { - /* Word 0(32-bit) in DDR memory */ -/* __u16 comp; */ -/* __u16 pixel_s:2; */ -/* __u16 pallete:1; */ -/* __u16 red_c:2; */ -/* __u16 green_c:2; */ -/* __u16 blue_c:2; */ -/* __u16 alpha_c:3; */ -/* __u16 byte_f:1; */ -/* __u16 res0:3; */ - - __be32 pix_fmt; /* hard coding pixel format */ - - /* Word 1(32-bit) in DDR memory */ - __le32 addr; - - /* Word 2(32-bit) in DDR memory */ -/* __u32 delta_xs:11; */ -/* __u32 res1:1; */ -/* __u32 delta_ys:11; */ -/* __u32 res2:1; */ -/* __u32 g_alpha:8; */ - __le32 src_size_g_alpha; - - /* Word 3(32-bit) in DDR memory */ -/* __u32 delta_xi:11; */ -/* __u32 res3:5; */ -/* __u32 delta_yi:11; */ -/* __u32 res4:3; */ -/* __u32 flip:2; */ - __le32 aoi_size; - - /* Word 4(32-bit) in DDR memory */ - /*__u32 offset_xi:11; - __u32 res5:5; - __u32 offset_yi:11; - __u32 res6:5; - */ - __le32 offset_xyi; - - /* Word 5(32-bit) in DDR memory */ - /*__u32 offset_xd:11; - __u32 res7:5; - __u32 offset_yd:11; - __u32 res8:5; */ - __le32 offset_xyd; - - - /* Word 6(32-bit) in DDR memory */ - __u8 ckmax_r; - __u8 ckmax_g; - __u8 ckmax_b; - __u8 res9; - - /* Word 7(32-bit) in DDR memory */ - __u8 ckmin_r; - __u8 ckmin_g; - __u8 ckmin_b; - __u8 res10; -/* __u32 res10:8; */ - - /* Word 8(32-bit) in DDR memory */ - __le32 next_ad; - - /* Word 9(32-bit) in DDR memory, just for 64-bit aligned */ - __u32 paddr; -} __attribute__ ((packed)); - -/* DIU register map */ -struct diu { - __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; - spinlock_t reg_lock; - - __u32 mode; /* DIU operation mode */ -}; - -struct diu_addr { - __u8 __iomem *vaddr; /* Virtual address */ - dma_addr_t paddr; /* Physical address */ - __u32 offset; -}; - -struct diu_pool { - struct diu_addr ad; - struct diu_addr gamma; - struct diu_addr pallete; - struct diu_addr cursor; -}; - -#define FSL_DIU_BASE_OFFSET 0x2C000 /* Offset of DIU */ -#define INT_LCDC 64 /* DIU interrupt number */ - -#define FSL_AOI_NUM 6 /* 5 AOIs and one dummy AOI */ - /* 1 for plane 0, 2 for plane 1&2 each */ - -/* Minimum X and Y resolutions */ -#define MIN_XRES 64 -#define MIN_YRES 64 - -/* HW cursor parameters */ -#define MAX_CURS 32 - -/* Modes of operation of DIU */ -#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*/ -#define MFB_MODE3 3 /* All three planes written back to memory */ -#define MFB_MODE4 4 /* Color bar generation */ - -/* INT_STATUS/INT_MASK field descriptions */ -#define INT_VSYNC 0x01 /* Vsync interrupt */ -#define INT_VSYNC_WB 0x02 /* Vsync interrupt for write back operation */ -#define INT_UNDRUN 0x04 /* Under run exception interrupt */ -#define INT_PARERR 0x08 /* Display parameters error interrupt */ -#define INT_LS_BF_VS 0x10 /* Lines before vsync. interrupt */ - -/* Panels'operation modes */ -#define MFB_TYPE_OUTPUT 0 /* Panel output to display */ -#define MFB_TYPE_OFF 1 /* Panel off */ -#define MFB_TYPE_WB 2 /* Panel written back to memory */ -#define MFB_TYPE_TEST 3 /* Panel generate color bar */ - -#endif /* __KERNEL__ */ -#endif /* __FSL_DIU_FB_H__ */ diff --git a/drivers/video/xilinxfb.c b/drivers/video/xilinxfb.c index 574dc54e12d4..29b5daacc217 100644 --- a/drivers/video/xilinxfb.c +++ b/drivers/video/xilinxfb.c @@ -485,6 +485,8 @@ static int __devexit xilinxfb_of_remove(struct of_device *op) /* Match table for of_platform binding */ static struct of_device_id xilinxfb_of_match[] __devinitdata = { { .compatible = "xlnx,xps-tft-1.00.a", }, + { .compatible = "xlnx,xps-tft-2.00.a", }, + { .compatible = "xlnx,xps-tft-2.01.a", }, { .compatible = "xlnx,plb-tft-cntlr-ref-1.00.a", }, { .compatible = "xlnx,plb-dvi-cntlr-ref-1.00.c", }, {}, |