diff options
Diffstat (limited to 'arch/arm/mach-sa1100/badge4.c')
| -rw-r--r-- | arch/arm/mach-sa1100/badge4.c | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c deleted file mode 100644 index de79f3502045..000000000000 --- a/arch/arm/mach-sa1100/badge4.c +++ /dev/null @@ -1,338 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/arch/arm/mach-sa1100/badge4.c - * - * BadgePAD 4 specific initialization - * - * Tim Connors <connors@hpl.hp.com> - * Christopher Hoover <ch@hpl.hp.com> - * - * Copyright (C) 2002 Hewlett-Packard Company - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/platform_data/sa11x0-serial.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <linux/tty.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/errno.h> -#include <linux/gpio.h> -#include <linux/leds.h> - -#include <mach/hardware.h> -#include <asm/mach-types.h> -#include <asm/setup.h> -#include <mach/irqs.h> - -#include <asm/mach/arch.h> -#include <asm/mach/flash.h> -#include <asm/mach/map.h> -#include <asm/hardware/sa1111.h> - -#include <mach/badge4.h> - -#include "generic.h" - -static struct resource sa1111_resources[] = { - [0] = DEFINE_RES_MEM(BADGE4_SA1111_BASE, 0x2000), - [1] = DEFINE_RES_IRQ(BADGE4_IRQ_GPIO_SA1111), -}; - -static int badge4_sa1111_enable(void *data, unsigned devid) -{ - if (devid == SA1111_DEVID_USB) - badge4_set_5V(BADGE4_5V_USB, 1); - return 0; -} - -static void badge4_sa1111_disable(void *data, unsigned devid) -{ - if (devid == SA1111_DEVID_USB) - badge4_set_5V(BADGE4_5V_USB, 0); -} - -static struct sa1111_platform_data sa1111_info = { - .disable_devs = SA1111_DEVID_PS2_MSE, - .enable = badge4_sa1111_enable, - .disable = badge4_sa1111_disable, -}; - -static u64 sa1111_dmamask = 0xffffffffUL; - -static struct platform_device sa1111_device = { - .name = "sa1111", - .id = 0, - .dev = { - .dma_mask = &sa1111_dmamask, - .coherent_dma_mask = 0xffffffff, - .platform_data = &sa1111_info, - }, - .num_resources = ARRAY_SIZE(sa1111_resources), - .resource = sa1111_resources, -}; - -/* LEDs */ -struct gpio_led badge4_gpio_leds[] = { - { - .name = "badge4:red", - .default_trigger = "heartbeat", - .gpio = 7, - }, - { - .name = "badge4:green", - .default_trigger = "cpu0", - .gpio = 9, - }, -}; - -static struct gpio_led_platform_data badge4_gpio_led_info = { - .leds = badge4_gpio_leds, - .num_leds = ARRAY_SIZE(badge4_gpio_leds), -}; - -static struct platform_device badge4_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &badge4_gpio_led_info, - } -}; - -static struct platform_device *devices[] __initdata = { - &sa1111_device, - &badge4_leds, -}; - -static int __init badge4_sa1111_init(void) -{ - /* - * Ensure that the memory bus request/grant signals are setup, - * and the grant is held in its inactive state - */ - sa1110_mb_disable(); - - /* - * Probe for SA1111. - */ - return platform_add_devices(devices, ARRAY_SIZE(devices)); -} - - -/* - * 1 x Intel 28F320C3 Advanced+ Boot Block Flash (32 Mi bit) - * Eight 4 KiW Parameter Bottom Blocks (64 KiB) - * Sixty-three 32 KiW Main Blocks (4032 Ki b) - * - * <or> - * - * 1 x Intel 28F640C3 Advanced+ Boot Block Flash (64 Mi bit) - * Eight 4 KiW Parameter Bottom Blocks (64 KiB) - * One-hundred-twenty-seven 32 KiW Main Blocks (8128 Ki b) - */ -static struct mtd_partition badge4_partitions[] = { - { - .name = "BLOB boot loader", - .offset = 0, - .size = 0x0000A000 - }, { - .name = "params", - .offset = MTDPART_OFS_APPEND, - .size = 0x00006000 - }, { - .name = "root", - .offset = MTDPART_OFS_APPEND, - .size = MTDPART_SIZ_FULL - } -}; - -static struct flash_platform_data badge4_flash_data = { - .map_name = "cfi_probe", - .parts = badge4_partitions, - .nr_parts = ARRAY_SIZE(badge4_partitions), -}; - -static struct resource badge4_flash_resource = - DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_64M); - -static int five_v_on __initdata = 0; - -static int __init five_v_on_setup(char *ignore) -{ - five_v_on = 1; - return 1; -} -__setup("five_v_on", five_v_on_setup); - - -static int __init badge4_init(void) -{ - int ret; - - if (!machine_is_badge4()) - return -ENODEV; - - /* LCD */ - GPCR = (BADGE4_GPIO_LGP2 | BADGE4_GPIO_LGP3 | - BADGE4_GPIO_LGP4 | BADGE4_GPIO_LGP5 | - BADGE4_GPIO_LGP6 | BADGE4_GPIO_LGP7 | - BADGE4_GPIO_LGP8 | BADGE4_GPIO_LGP9 | - BADGE4_GPIO_GPA_VID | BADGE4_GPIO_GPB_VID | - BADGE4_GPIO_GPC_VID); - GPDR &= ~BADGE4_GPIO_INT_VID; - GPDR |= (BADGE4_GPIO_LGP2 | BADGE4_GPIO_LGP3 | - BADGE4_GPIO_LGP4 | BADGE4_GPIO_LGP5 | - BADGE4_GPIO_LGP6 | BADGE4_GPIO_LGP7 | - BADGE4_GPIO_LGP8 | BADGE4_GPIO_LGP9 | - BADGE4_GPIO_GPA_VID | BADGE4_GPIO_GPB_VID | - BADGE4_GPIO_GPC_VID); - - /* SDRAM SPD i2c */ - GPCR = (BADGE4_GPIO_SDSDA | BADGE4_GPIO_SDSCL); - GPDR |= (BADGE4_GPIO_SDSDA | BADGE4_GPIO_SDSCL); - - /* uart */ - GPCR = (BADGE4_GPIO_UART_HS1 | BADGE4_GPIO_UART_HS2); - GPDR |= (BADGE4_GPIO_UART_HS1 | BADGE4_GPIO_UART_HS2); - - /* CPLD muxsel0 input for mux/adc chip select */ - GPCR = BADGE4_GPIO_MUXSEL0; - GPDR |= BADGE4_GPIO_MUXSEL0; - - /* test points: J5, J6 as inputs, J7 outputs */ - GPDR &= ~(BADGE4_GPIO_TESTPT_J5 | BADGE4_GPIO_TESTPT_J6); - GPCR = BADGE4_GPIO_TESTPT_J7; - GPDR |= BADGE4_GPIO_TESTPT_J7; - - /* 5V supply rail. */ - GPCR = BADGE4_GPIO_PCMEN5V; /* initially off */ - GPDR |= BADGE4_GPIO_PCMEN5V; - - /* CPLD sdram type inputs; set up by blob */ - //GPDR |= (BADGE4_GPIO_SDTYP1 | BADGE4_GPIO_SDTYP0); - printk(KERN_DEBUG __FILE__ ": SDRAM CPLD typ1=%d typ0=%d\n", - !!(GPLR & BADGE4_GPIO_SDTYP1), - !!(GPLR & BADGE4_GPIO_SDTYP0)); - - /* SA1111 reset pin; set up by blob */ - //GPSR = BADGE4_GPIO_SA1111_NRST; - //GPDR |= BADGE4_GPIO_SA1111_NRST; - - - /* power management cruft */ - PGSR = 0; - PWER = 0; - PCFR = 0; - PSDR = 0; - - PWER |= PWER_GPIO26; /* wake up on an edge from TESTPT_J5 */ - PWER |= PWER_RTC; /* wake up if rtc fires */ - - /* drive sa1111_nrst during sleep */ - PGSR |= BADGE4_GPIO_SA1111_NRST; - /* drive CPLD as is during sleep */ - PGSR |= (GPLR & (BADGE4_GPIO_SDTYP0|BADGE4_GPIO_SDTYP1)); - - - /* Now bring up the SA-1111. */ - ret = badge4_sa1111_init(); - if (ret < 0) - printk(KERN_ERR - "%s: SA-1111 initialization failed (%d)\n", - __func__, ret); - - - /* maybe turn on 5v0 from the start */ - badge4_set_5V(BADGE4_5V_INITIALLY, five_v_on); - - sa11x0_register_mtd(&badge4_flash_data, &badge4_flash_resource, 1); - - return 0; -} - -arch_initcall(badge4_init); - - -static unsigned badge4_5V_bitmap = 0; - -void badge4_set_5V(unsigned subsystem, int on) -{ - unsigned long flags; - unsigned old_5V_bitmap; - - local_irq_save(flags); - - old_5V_bitmap = badge4_5V_bitmap; - - if (on) { - badge4_5V_bitmap |= subsystem; - } else { - badge4_5V_bitmap &= ~subsystem; - } - - /* detect on->off and off->on transitions */ - if ((!old_5V_bitmap) && (badge4_5V_bitmap)) { - /* was off, now on */ - printk(KERN_INFO "%s: enabling 5V supply rail\n", __func__); - GPSR = BADGE4_GPIO_PCMEN5V; - } else if ((old_5V_bitmap) && (!badge4_5V_bitmap)) { - /* was on, now off */ - printk(KERN_INFO "%s: disabling 5V supply rail\n", __func__); - GPCR = BADGE4_GPIO_PCMEN5V; - } - - local_irq_restore(flags); -} -EXPORT_SYMBOL(badge4_set_5V); - - -static struct map_desc badge4_io_desc[] __initdata = { - { /* SRAM bank 1 */ - .virtual = 0xf1000000, - .pfn = __phys_to_pfn(0x08000000), - .length = 0x00100000, - .type = MT_DEVICE - }, { /* SRAM bank 2 */ - .virtual = 0xf2000000, - .pfn = __phys_to_pfn(0x10000000), - .length = 0x00100000, - .type = MT_DEVICE - } -}; - -static void -badge4_uart_pm(struct uart_port *port, u_int state, u_int oldstate) -{ - if (!state) { - Ser1SDCR0 |= SDCR0_UART; - } -} - -static struct sa1100_port_fns badge4_port_fns __initdata = { - .pm = badge4_uart_pm, -}; - -static void __init badge4_map_io(void) -{ - sa1100_map_io(); - iotable_init(badge4_io_desc, ARRAY_SIZE(badge4_io_desc)); - - sa1100_register_uart_fns(&badge4_port_fns); - sa1100_register_uart(0, 3); - sa1100_register_uart(1, 1); -} - -MACHINE_START(BADGE4, "Hewlett-Packard Laboratories BadgePAD 4") - .atag_offset = 0x100, - .map_io = badge4_map_io, - .nr_irqs = SA1100_NR_IRQS, - .init_irq = sa1100_init_irq, - .init_late = sa11x0_init_late, - .init_time = sa1100_timer_init, -#ifdef CONFIG_SA1111 - .dma_zone_size = SZ_1M, -#endif - .restart = sa11x0_restart, -MACHINE_END |