diff options
Diffstat (limited to 'target/linux/generic-2.6/files-2.6.24/drivers/ssb/driver_extif.c')
| -rw-r--r-- | target/linux/generic-2.6/files-2.6.24/drivers/ssb/driver_extif.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/target/linux/generic-2.6/files-2.6.24/drivers/ssb/driver_extif.c b/target/linux/generic-2.6/files-2.6.24/drivers/ssb/driver_extif.c deleted file mode 100644 index fe55eb8b03..0000000000 --- a/target/linux/generic-2.6/files-2.6.24/drivers/ssb/driver_extif.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Sonics Silicon Backplane - * Broadcom EXTIF core driver - * - * Copyright 2005, Broadcom Corporation - * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de> - * Copyright 2006, 2007, Felix Fietkau <nbd@openwrt.org> - * Copyright 2007, Aurelien Jarno <aurelien@aurel32.net> - * - * Licensed under the GNU/GPL. See COPYING for details. - */ - -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_reg.h> - -#include "ssb_private.h" - - -static inline u32 extif_read32(struct ssb_extif *extif, u16 offset) -{ - return ssb_read32(extif->dev, offset); -} - -static inline void extif_write32(struct ssb_extif *extif, u16 offset, u32 value) -{ - ssb_write32(extif->dev, offset, value); -} - -static inline void extif_write32_masked(struct ssb_extif *extif, u16 offset, - u32 mask, u32 value) -{ - value &= mask; - value |= extif_read32(extif, offset) & ~mask; - extif_write32(extif, offset, value); -} - -#ifdef CONFIG_SSB_SERIAL -static bool serial_exists(u8 *regs) -{ - u8 save_mcr, msr = 0; - - if (regs) { - save_mcr = regs[UART_MCR]; - regs[UART_MCR] = (UART_MCR_LOOP | UART_MCR_OUT2 | UART_MCR_RTS); - msr = regs[UART_MSR] & (UART_MSR_DCD | UART_MSR_RI - | UART_MSR_CTS | UART_MSR_DSR); - regs[UART_MCR] = save_mcr; - } - return (msr == (UART_MSR_DCD | UART_MSR_CTS)); -} - -int ssb_extif_serial_init(struct ssb_extif *extif, struct ssb_serial_port *ports) -{ - u32 i, nr_ports = 0; - - /* Disable GPIO interrupt initially */ - extif_write32(extif, SSB_EXTIF_GPIO_INTPOL, 0); - extif_write32(extif, SSB_EXTIF_GPIO_INTMASK, 0); - - for (i = 0; i < 2; i++) { - void __iomem *uart_regs; - - uart_regs = ioremap_nocache(SSB_EUART, 16); - if (uart_regs) { - uart_regs += (i * 8); - - if (serial_exists(uart_regs) && ports) { - extif_write32(extif, SSB_EXTIF_GPIO_INTMASK, 2); - - nr_ports++; - ports[i].regs = uart_regs; - ports[i].irq = 2; - ports[i].baud_base = 13500000; - ports[i].reg_shift = 0; - } - iounmap(uart_regs); - } - } - return nr_ports; -} -#endif /* CONFIG_SSB_SERIAL */ - -void ssb_extif_timing_init(struct ssb_extif *extif, unsigned long ns) -{ - u32 tmp; - - /* Initialize extif so we can get to the LEDs and external UART */ - extif_write32(extif, SSB_EXTIF_PROG_CFG, SSB_EXTCFG_EN); - - /* Set timing for the flash */ - tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; - tmp |= DIV_ROUND_UP(40, ns) << SSB_PROG_WCNT_1_SHIFT; - tmp |= DIV_ROUND_UP(120, ns); - extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp); - - /* Set programmable interface timing for external uart */ - tmp = DIV_ROUND_UP(10, ns) << SSB_PROG_WCNT_3_SHIFT; - tmp |= DIV_ROUND_UP(20, ns) << SSB_PROG_WCNT_2_SHIFT; - tmp |= DIV_ROUND_UP(100, ns) << SSB_PROG_WCNT_1_SHIFT; - tmp |= DIV_ROUND_UP(120, ns); - extif_write32(extif, SSB_EXTIF_PROG_WAITCNT, tmp); -} - -void ssb_extif_get_clockcontrol(struct ssb_extif *extif, - u32 *pll_type, u32 *n, u32 *m) -{ - *pll_type = SSB_PLLTYPE_1; - *n = extif_read32(extif, SSB_EXTIF_CLOCK_N); - *m = extif_read32(extif, SSB_EXTIF_CLOCK_SB); -} - -u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask) -{ - return extif_read32(extif, SSB_EXTIF_GPIO_IN) & mask; -} - -void ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value) -{ - return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0), - mask, value); -} - -void ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value) -{ - return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0), - mask, value); -} - |