diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-voiceblue.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-voiceblue.c | 169 |
1 files changed, 86 insertions, 83 deletions
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index f5992c239bc..4677a9ccb3c 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -13,6 +13,7 @@ */ #include <linux/delay.h> +#include <linux/gpio.h> #include <linux/platform_device.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -24,23 +25,26 @@ #include <linux/serial_8250.h> #include <linux/serial_reg.h> #include <linux/smc91x.h> +#include <linux/export.h> +#include <linux/reboot.h> -#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <plat/common.h> -#include <mach/gpio.h> -#include <plat/flash.h> -#include <plat/mux.h> -#include <plat/tc.h> -#include <plat/usb.h> +#include <mach/board-voiceblue.h> +#include <mach/flash.h> +#include <mach/mux.h> +#include <mach/tc.h> + +#include <mach/hardware.h> +#include <mach/usb.h> + +#include "common.h" static struct plat_serial8250_port voiceblue_ports[] = { { .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x40000), - .irq = OMAP_GPIO_IRQ(12), .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 1, @@ -48,7 +52,6 @@ static struct plat_serial8250_port voiceblue_ports[] = { }, { .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x50000), - .irq = OMAP_GPIO_IRQ(13), .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 1, @@ -56,7 +59,6 @@ static struct plat_serial8250_port voiceblue_ports[] = { }, { .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x60000), - .irq = OMAP_GPIO_IRQ(14), .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 1, @@ -64,7 +66,6 @@ static struct plat_serial8250_port voiceblue_ports[] = { }, { .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x70000), - .irq = OMAP_GPIO_IRQ(15), .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, .iotype = UPIO_MEM, .regshift = 1, @@ -76,13 +77,18 @@ static struct plat_serial8250_port voiceblue_ports[] = { static struct platform_device serial_device = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM1, - .dev = { - .platform_data = voiceblue_ports, - }, }; static int __init ext_uart_init(void) { + if (!machine_is_voiceblue()) + return -ENODEV; + + voiceblue_ports[0].irq = gpio_to_irq(12); + voiceblue_ports[1].irq = gpio_to_irq(13); + voiceblue_ports[2].irq = gpio_to_irq(14); + voiceblue_ports[3].irq = gpio_to_irq(15); + serial_device.dev.platform_data = voiceblue_ports; return platform_device_register(&serial_device); } arch_initcall(ext_uart_init); @@ -121,8 +127,6 @@ static struct resource voiceblue_smc91x_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = OMAP_GPIO_IRQ(8), - .end = OMAP_GPIO_IRQ(8), .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, }, }; @@ -151,67 +155,6 @@ static struct omap_usb_config voiceblue_usb_config __initdata = { .pins[2] = 6, }; -static struct omap_board_config_kernel voiceblue_config[] = { -}; - -static void __init voiceblue_init_irq(void) -{ - omap1_init_common_hw(); - omap_init_irq(); - omap_gpio_init(); -} - -static void __init voiceblue_init(void) -{ - /* mux pins for uarts */ - omap_cfg_reg(UART1_TX); - omap_cfg_reg(UART1_RTS); - omap_cfg_reg(UART2_TX); - omap_cfg_reg(UART2_RTS); - omap_cfg_reg(UART3_TX); - omap_cfg_reg(UART3_RX); - - /* Watchdog */ - gpio_request(0, "Watchdog"); - /* smc91x reset */ - gpio_request(7, "SMC91x reset"); - gpio_direction_output(7, 1); - udelay(2); /* wait at least 100ns */ - gpio_set_value(7, 0); - mdelay(50); /* 50ms until PHY ready */ - /* smc91x interrupt pin */ - gpio_request(8, "SMC91x irq"); - /* 16C554 reset*/ - gpio_request(6, "16C554 reset"); - gpio_direction_output(6, 0); - /* 16C554 interrupt pins */ - gpio_request(12, "16C554 irq"); - gpio_request(13, "16C554 irq"); - gpio_request(14, "16C554 irq"); - gpio_request(15, "16C554 irq"); - set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING); - set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING); - set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING); - set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING); - - platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices)); - omap_board_config = voiceblue_config; - omap_board_config_size = ARRAY_SIZE(voiceblue_config); - omap_serial_init(); - omap1_usb_init(&voiceblue_usb_config); - omap_register_i2c_bus(1, 100, NULL, 0); - - /* There is a good chance board is going up, so enable power LED - * (it is connected through invertor) */ - omap_writeb(0x00, OMAP_LPG1_LCR); - omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ -} - -static void __init voiceblue_map_io(void) -{ - omap1_map_common_io(); -} - #define MACHINE_PANICED 1 #define MACHINE_REBOOTING 2 #define MACHINE_REBOOT 4 @@ -236,6 +179,9 @@ static struct notifier_block panic_block = { static int __init voiceblue_setup(void) { + if (!machine_is_voiceblue()) + return -ENODEV; + /* Setup panic notifier */ atomic_notifier_chain_register(&panic_notifier_list, &panic_block); @@ -270,8 +216,17 @@ void voiceblue_wdt_ping(void) gpio_set_value(0, wdt_gpio_state); } -void voiceblue_reset(void) +static void voiceblue_restart(enum reboot_mode mode, const char *cmd) { + /* + * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28 + * "Global Software Reset Affects Traffic Controller Frequency". + */ + if (cpu_is_omap5912()) { + omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL); + omap_writew(0x8, ARM_RSTCT1); + } + set_bit(MACHINE_REBOOT, &machine_state); voiceblue_wdt_enable(); while (1) ; @@ -281,12 +236,60 @@ EXPORT_SYMBOL(voiceblue_wdt_enable); EXPORT_SYMBOL(voiceblue_wdt_disable); EXPORT_SYMBOL(voiceblue_wdt_ping); +static void __init voiceblue_init(void) +{ + /* mux pins for uarts */ + omap_cfg_reg(UART1_TX); + omap_cfg_reg(UART1_RTS); + omap_cfg_reg(UART2_TX); + omap_cfg_reg(UART2_RTS); + omap_cfg_reg(UART3_TX); + omap_cfg_reg(UART3_RX); + + /* Watchdog */ + gpio_request(0, "Watchdog"); + /* smc91x reset */ + gpio_request(7, "SMC91x reset"); + gpio_direction_output(7, 1); + udelay(2); /* wait at least 100ns */ + gpio_set_value(7, 0); + mdelay(50); /* 50ms until PHY ready */ + /* smc91x interrupt pin */ + gpio_request(8, "SMC91x irq"); + /* 16C554 reset*/ + gpio_request(6, "16C554 reset"); + gpio_direction_output(6, 0); + /* 16C554 interrupt pins */ + gpio_request(12, "16C554 irq"); + gpio_request(13, "16C554 irq"); + gpio_request(14, "16C554 irq"); + gpio_request(15, "16C554 irq"); + irq_set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING); + irq_set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING); + irq_set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING); + irq_set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING); + + voiceblue_smc91x_resources[1].start = gpio_to_irq(8); + voiceblue_smc91x_resources[1].end = gpio_to_irq(8); + platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices)); + omap_serial_init(); + omap1_usb_init(&voiceblue_usb_config); + omap_register_i2c_bus(1, 100, NULL, 0); + + /* There is a good chance board is going up, so enable power LED + * (it is connected through invertor) */ + omap_writeb(0x00, OMAP_LPG1_LCR); + omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */ +} + MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910") /* Maintainer: Ladislav Michl <michl@2n.cz> */ - .boot_params = 0x10000100, - .map_io = voiceblue_map_io, - .reserve = omap_reserve, - .init_irq = voiceblue_init_irq, + .atag_offset = 0x100, + .map_io = omap15xx_map_io, + .init_early = omap1_init_early, + .init_irq = omap1_init_irq, .init_machine = voiceblue_init, - .timer = &omap_timer, + .init_late = omap1_init_late, + .init_time = omap1_timer_init, + .restart = voiceblue_restart, MACHINE_END |