diff options
Diffstat (limited to 'arch/blackfin/mach-bf561')
| -rw-r--r-- | arch/blackfin/mach-bf561/boards/Makefile | 3 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf561/boards/ezkit.c | 64 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf561/boards/tepla.c | 61 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf561/head.S | 79 |
4 files changed, 140 insertions, 67 deletions
diff --git a/arch/blackfin/mach-bf561/boards/Makefile b/arch/blackfin/mach-bf561/boards/Makefile index 886edc7..495a1cf 100644 --- a/arch/blackfin/mach-bf561/boards/Makefile +++ b/arch/blackfin/mach-bf561/boards/Makefile @@ -3,5 +3,6 @@ # obj-$(CONFIG_GENERIC_BOARD) += generic_board.o -obj-$(CONFIG_BFIN561_EZKIT) += ezkit.o obj-$(CONFIG_BFIN561_BLUETECHNIX_CM) += cm_bf561.o +obj-$(CONFIG_BFIN561_EZKIT) += ezkit.o +obj-$(CONFIG_BFIN561_TEPLA) += tepla.o diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c index 14eb4f9..9720b5c 100644 --- a/arch/blackfin/mach-bf561/boards/ezkit.c +++ b/arch/blackfin/mach-bf561/boards/ezkit.c @@ -32,12 +32,61 @@ #include <linux/spi/spi.h> #include <asm/irq.h> #include <asm/bfin5xx_spi.h> +#include <linux/interrupt.h> +#include <linux/irq.h> /* * Name the Board for the /proc/cpuinfo */ char *bfin_board_name = "ADDS-BF561-EZKIT"; +#define ISP1761_BASE 0x2C0F0000 +#define ISP1761_IRQ IRQ_PF10 + +#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE) +static struct resource bfin_isp1761_resources[] = { + [0] = { + .name = "isp1761-regs", + .start = ISP1761_BASE + 0x00000000, + .end = ISP1761_BASE + 0x000fffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = ISP1761_IRQ, + .end = ISP1761_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device bfin_isp1761_device = { + .name = "isp1761", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_isp1761_resources), + .resource = bfin_isp1761_resources, +}; + +static struct platform_device *bfin_isp1761_devices[] = { + &bfin_isp1761_device, +}; + +int __init bfin_isp1761_init(void) +{ + unsigned int num_devices=ARRAY_SIZE(bfin_isp1761_devices); + + printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__); + set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING); + + return platform_add_devices(bfin_isp1761_devices, num_devices); +} + +void __exit bfin_isp1761_exit(void) +{ + platform_device_unregister(&bfin_isp1761_device); +} + +arch_initcall(bfin_isp1761_init); +#endif + /* * USB-LAN EzExtender board * Driver needs to know address, irq and flag pin. @@ -135,13 +184,18 @@ static int __init ezkit_init(void) { int ret; - printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__); - ret = platform_add_devices(ezkit_devices, - ARRAY_SIZE(ezkit_devices)); + printk(KERN_INFO "%s(): registering device resources\n", __func__); + + ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices)); if (ret < 0) return ret; - return spi_register_board_info(bfin_spi_board_info, - ARRAY_SIZE(bfin_spi_board_info)); + +#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) + bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12)); + SSYNC(); +#endif + + return spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); } arch_initcall(ezkit_init); diff --git a/arch/blackfin/mach-bf561/boards/tepla.c b/arch/blackfin/mach-bf561/boards/tepla.c new file mode 100644 index 0000000..db308c7 --- /dev/null +++ b/arch/blackfin/mach-bf561/boards/tepla.c @@ -0,0 +1,61 @@ +/* + * File: arch/blackfin/mach-bf561/tepla.c + * + * Copyright 2004-2007 Analog Devices Inc. + * Only SMSC91C1111 was registered, may do more later. + * + * Copyright 2005 National ICT Australia (NICTA), Aidan Williams <aidan@nicta.com.au> + * Thanks to Jamey Hicks. + * + * 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. + */ + +#include <linux/device.h> +#include <linux/platform_device.h> +#include <asm/irq.h> + +char *bfin_board_name = "Tepla-BF561"; + +/* + * Driver needs to know address, irq and flag pin. + */ +static struct resource smc91x_resources[] = { + { + .start = 0x2C000300, + .end = 0x2C000320, + .flags = IORESOURCE_MEM, + },{ + .start = IRQ_PROG_INTB, + .end = IRQ_PROG_INTB, + .flags = IORESOURCE_IRQ|IORESOURCE_IRQ_HIGHLEVEL, + },{ + /* + * denotes the flag pin and is used directly if + * CONFIG_IRQCHIP_DEMUX_GPIO is defined. + */ + .start = IRQ_PF7, + .end = IRQ_PF7, + .flags = IORESOURCE_IRQ|IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static struct platform_device *tepla_devices[] __initdata = { + &smc91x_device, +}; + +static int __init tepla_init(void) +{ + printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__); + return platform_add_devices(tepla_devices, ARRAY_SIZE(tepla_devices)); +} + +arch_initcall(tepla_init); diff --git a/arch/blackfin/mach-bf561/head.S b/arch/blackfin/mach-bf561/head.S index 7bca478..ad9187a 100644 --- a/arch/blackfin/mach-bf561/head.S +++ b/arch/blackfin/mach-bf561/head.S @@ -127,7 +127,8 @@ ENTRY(__stext) STI R2; #endif - /* Initialise UART*/ + /* Initialise UART - when booting from u-boot, the UART is not disabled + * so if we dont initalize here, our serial console gets hosed */ p0.h = hi(UART_LCR); p0.l = lo(UART_LCR); r0 = 0x0(Z); @@ -414,12 +415,6 @@ ENTRY(_bfin_reset) w[p0] = r0.l; #endif - /* Clear the bits 13-15 in SWRST if they werent cleared */ - p0.h = hi(SICA_SWRST); - p0.l = lo(SICA_SWRST); - csync; - r0.l = w[p0]; - /* Clear the IMASK register */ p0.h = hi(IMASK); p0.l = lo(IMASK); @@ -433,68 +428,30 @@ ENTRY(_bfin_reset) [p0] = r0; SSYNC; - /* Disable the WDOG TIMER */ - p0.h = hi(WDOGA_CTL); - p0.l = lo(WDOGA_CTL); - r0.l = 0xAD6; - w[p0] = r0.l; - SSYNC; - - /* Clear the sticky bit incase it is already set */ - p0.h = hi(WDOGA_CTL); - p0.l = lo(WDOGA_CTL); - r0.l = 0x8AD6; - w[p0] = r0.l; + /* make sure SYSCR is set to use BMODE */ + P0.h = hi(SICA_SYSCR); + P0.l = lo(SICA_SYSCR); + R0.l = 0x20; + W[P0] = R0.l; SSYNC; - /* Program the count value */ - R0.l = 0x100; - R0.h = 0x0; - P0.h = hi(WDOGA_CNT); - P0.l = lo(WDOGA_CNT); - [P0] = R0; + /* issue a system soft reset */ + P1.h = hi(SICA_SWRST); + P1.l = lo(SICA_SWRST); + R1.l = 0x0007; + W[P1] = R1; SSYNC; - /* Program WDOG_STAT if necessary */ - P0.h = hi(WDOGA_CTL); - P0.l = lo(WDOGA_CTL); - R0 = W[P0](Z); - CC = BITTST(R0,1); - if !CC JUMP .LWRITESTAT; - CC = BITTST(R0,2); - if !CC JUMP .LWRITESTAT; - JUMP .LSKIP_WRITE; - -.LWRITESTAT: - /* When watch dog timer is enabled, - * a write to STAT will load the contents of CNT to STAT - */ - R0 = 0x0000(z); - P0.h = hi(WDOGA_STAT); - P0.l = lo(WDOGA_STAT) - [P0] = R0; - SSYNC; - -.LSKIP_WRITE: - /* Enable the reset event */ - P0.h = hi(WDOGA_CTL); - P0.l = lo(WDOGA_CTL); - R0 = W[P0](Z); - BITCLR(R0,1); - BITCLR(R0,2); - W[P0] = R0.L; - SSYNC; - NOP; - - /* Enable the wdog counter */ - R0 = W[P0](Z); - BITCLR(R0,4); - W[P0] = R0.L; + /* clear system soft reset */ + R0.l = 0x0000; + W[P0] = R0; SSYNC; - IDLE; + /* issue core reset */ + raise 1; RTS; +ENDPROC(_bfin_reset) .data |
