diff options
Diffstat (limited to 'arch/arm/mach-integrator')
| -rw-r--r-- | arch/arm/mach-integrator/common.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/core.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 276 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_cp.c | 325 |
4 files changed, 441 insertions, 180 deletions
diff --git a/arch/arm/mach-integrator/common.h b/arch/arm/mach-integrator/common.h index 899561d8db2..c3ff21b5ea2 100644 --- a/arch/arm/mach-integrator/common.h +++ b/arch/arm/mach-integrator/common.h @@ -1,3 +1,6 @@ +#include <linux/amba/serial.h> +extern struct amba_pl010_data integrator_uart_data; void integrator_init_early(void); +int integrator_init(bool is_cp); void integrator_reserve(void); void integrator_restart(char, const char *); diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c index dad3cb74ed3..ea22a17246d 100644 --- a/arch/arm/mach-integrator/core.c +++ b/arch/arm/mach-integrator/core.c @@ -32,7 +32,9 @@ #include <asm/mach/time.h> #include <asm/pgtable.h> -static struct amba_pl010_data integrator_uart_data; +#include "common.h" + +#ifdef CONFIG_ATAGS #define INTEGRATOR_RTC_IRQ { IRQ_RTCINT } #define INTEGRATOR_UART0_IRQ { IRQ_UARTINT0 } @@ -60,7 +62,7 @@ static struct amba_device *amba_devs[] __initdata = { &kmi1_device, }; -static int __init integrator_init(void) +int __init integrator_init(bool is_cp) { int i; @@ -69,7 +71,7 @@ static int __init integrator_init(void) * hard-code them. The Integator/CP and forward have proper cell IDs. * Else we leave them undefined to the bus driver can autoprobe them. */ - if (machine_is_integrator()) { + if (!is_cp) { rtc_device.periphid = 0x00041030; uart0_device.periphid = 0x00041010; uart1_device.periphid = 0x00041010; @@ -85,7 +87,7 @@ static int __init integrator_init(void) return 0; } -arch_initcall(integrator_init); +#endif /* * On the Integrator platform, the port RTS and DTR are provided by @@ -100,11 +102,14 @@ arch_initcall(integrator_init); static void integrator_uart_set_mctrl(struct amba_device *dev, void __iomem *base, unsigned int mctrl) { unsigned int ctrls = 0, ctrlc = 0, rts_mask, dtr_mask; + u32 phybase = dev->res.start; - if (dev == &uart0_device) { + if (phybase == INTEGRATOR_UART0_BASE) { + /* UART0 */ rts_mask = 1 << 4; dtr_mask = 1 << 5; } else { + /* UART1 */ rts_mask = 1 << 6; dtr_mask = 1 << 7; } @@ -123,7 +128,7 @@ static void integrator_uart_set_mctrl(struct amba_device *dev, void __iomem *bas __raw_writel(ctrlc, SC_CTRLC); } -static struct amba_pl010_data integrator_uart_data = { +struct amba_pl010_data integrator_uart_data = { .set_mctrl = integrator_uart_set_mctrl, }; diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index 2215d96cd73..d5b5435a09a 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -34,6 +34,9 @@ #include <linux/mtd/physmap.h> #include <linux/clk.h> #include <linux/platform_data/clk-integrator.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> #include <video/vga.h> #include <mach/hardware.h> @@ -158,23 +161,6 @@ static void __init ap_map_io(void) pci_map_io_early(__phys_to_pfn(PHYS_PCI_IO_BASE)); } -#define INTEGRATOR_SC_VALID_INT 0x003fffff - -static void __init ap_init_irq(void) -{ - /* Disable all interrupts initially. */ - /* Do the core module ones */ - writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); - - /* do the header card stuff next */ - writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); - writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(VA_IC_BASE, "SC", IRQ_PIC_START, - -1, INTEGRATOR_SC_VALID_INT, NULL); - integrator_clk_init(false); -} - #ifdef CONFIG_PM static unsigned long ic_irq_enable; @@ -267,50 +253,6 @@ static struct physmap_flash_data ap_flash_data = { .set_vpp = ap_flash_set_vpp, }; -static struct resource cfi_flash_resource = { - .start = INTEGRATOR_FLASH_BASE, - .end = INTEGRATOR_FLASH_BASE + INTEGRATOR_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device cfi_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &ap_flash_data, - }, - .num_resources = 1, - .resource = &cfi_flash_resource, -}; - -static void __init ap_init(void) -{ - unsigned long sc_dec; - int i; - - platform_device_register(&cfi_flash_device); - - sc_dec = readl(VA_SC_BASE + INTEGRATOR_SC_DEC_OFFSET); - for (i = 0; i < 4; i++) { - struct lm_device *lmdev; - - if ((sc_dec & (16 << i)) == 0) - continue; - - lmdev = kzalloc(sizeof(struct lm_device), GFP_KERNEL); - if (!lmdev) - continue; - - lmdev->resource.start = 0xc0000000 + 0x10000000 * i; - lmdev->resource.end = lmdev->resource.start + 0x0fffffff; - lmdev->resource.flags = IORESOURCE_MEM; - lmdev->irq = IRQ_AP_EXPINT0 + i; - lmdev->id = i; - - lm_device_register(lmdev); - } -} - /* * Where is the timer (VA)? */ @@ -325,9 +267,9 @@ static u32 notrace integrator_read_sched_clock(void) return -readl((void __iomem *) TIMER2_VA_BASE + TIMER_VALUE); } -static void integrator_clocksource_init(unsigned long inrate) +static void integrator_clocksource_init(unsigned long inrate, + void __iomem *base) { - void __iomem *base = (void __iomem *)TIMER2_VA_BASE; u32 ctrl = TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC; unsigned long rate = inrate; @@ -344,7 +286,7 @@ static void integrator_clocksource_init(unsigned long inrate) setup_sched_clock(integrator_read_sched_clock, 16, rate); } -static void __iomem * const clkevt_base = (void __iomem *)TIMER1_VA_BASE; +static void __iomem * clkevt_base; /* * IRQ handler for the timer @@ -416,11 +358,13 @@ static struct irqaction integrator_timer_irq = { .dev_id = &integrator_clockevent, }; -static void integrator_clockevent_init(unsigned long inrate) +static void integrator_clockevent_init(unsigned long inrate, + void __iomem *base, int irq) { unsigned long rate = inrate; unsigned int ctrl = 0; + clkevt_base = base; /* Calculate and program a divisor */ if (rate > 0x100000 * HZ) { rate /= 256; @@ -432,7 +376,7 @@ static void integrator_clockevent_init(unsigned long inrate) timer_reload = rate / HZ; writel(ctrl, clkevt_base + TIMER_CTRL); - setup_irq(IRQ_TIMERINT1, &integrator_timer_irq); + setup_irq(irq, &integrator_timer_irq); clockevents_config_and_register(&integrator_clockevent, rate, 1, @@ -443,9 +387,153 @@ void __init ap_init_early(void) { } +#ifdef CONFIG_OF + +static void __init ap_init_timer_of(void) +{ + struct device_node *node; + const char *path; + void __iomem *base; + int err; + int irq; + struct clk *clk; + unsigned long rate; + + clk = clk_get_sys("ap_timer", NULL); + BUG_ON(IS_ERR(clk)); + clk_prepare_enable(clk); + rate = clk_get_rate(clk); + + err = of_property_read_string(of_aliases, + "arm,timer-primary", &path); + if (WARN_ON(err)) + return; + node = of_find_node_by_path(path); + base = of_iomap(node, 0); + if (WARN_ON(!base)) + return; + writel(0, base + TIMER_CTRL); + integrator_clocksource_init(rate, base); + + err = of_property_read_string(of_aliases, + "arm,timer-secondary", &path); + if (WARN_ON(err)) + return; + node = of_find_node_by_path(path); + base = of_iomap(node, 0); + if (WARN_ON(!base)) + return; + irq = irq_of_parse_and_map(node, 0); + writel(0, base + TIMER_CTRL); + integrator_clockevent_init(rate, base, irq); +} + +static struct sys_timer ap_of_timer = { + .init = ap_init_timer_of, +}; + +static const struct of_device_id fpga_irq_of_match[] __initconst = { + { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, }, + { /* Sentinel */ } +}; + +static void __init ap_init_irq_of(void) +{ + /* disable core module IRQs */ + writel(0xffffffffU, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + of_irq_init(fpga_irq_of_match); + integrator_clk_init(false); +} + +/* For the Device Tree, add in the UART callbacks as AUXDATA */ +static struct of_dev_auxdata ap_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_RTC_BASE, + "rtc", NULL), + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART0_BASE, + "uart0", &integrator_uart_data), + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART1_BASE, + "uart1", &integrator_uart_data), + OF_DEV_AUXDATA("arm,primecell", KMI0_BASE, + "kmi0", NULL), + OF_DEV_AUXDATA("arm,primecell", KMI1_BASE, + "kmi1", NULL), + OF_DEV_AUXDATA("cfi-flash", INTEGRATOR_FLASH_BASE, + "physmap-flash", &ap_flash_data), + { /* sentinel */ }, +}; + +static void __init ap_init_of(void) +{ + unsigned long sc_dec; + int i; + + of_platform_populate(NULL, of_default_bus_match_table, + ap_auxdata_lookup, NULL); + + sc_dec = readl(VA_SC_BASE + INTEGRATOR_SC_DEC_OFFSET); + for (i = 0; i < 4; i++) { + struct lm_device *lmdev; + + if ((sc_dec & (16 << i)) == 0) + continue; + + lmdev = kzalloc(sizeof(struct lm_device), GFP_KERNEL); + if (!lmdev) + continue; + + lmdev->resource.start = 0xc0000000 + 0x10000000 * i; + lmdev->resource.end = lmdev->resource.start + 0x0fffffff; + lmdev->resource.flags = IORESOURCE_MEM; + lmdev->irq = IRQ_AP_EXPINT0 + i; + lmdev->id = i; + + lm_device_register(lmdev); + } +} + +static const char * ap_dt_board_compat[] = { + "arm,integrator-ap", + NULL, +}; + +DT_MACHINE_START(INTEGRATOR_AP_DT, "ARM Integrator/AP (Device Tree)") + .reserve = integrator_reserve, + .map_io = ap_map_io, + .nr_irqs = NR_IRQS_INTEGRATOR_AP, + .init_early = ap_init_early, + .init_irq = ap_init_irq_of, + .handle_irq = fpga_handle_irq, + .timer = &ap_of_timer, + .init_machine = ap_init_of, + .restart = integrator_restart, + .dt_compat = ap_dt_board_compat, +MACHINE_END + +#endif + +#ifdef CONFIG_ATAGS + /* - * Set up timer(s). + * This is where non-devicetree initialization code is collected and stashed + * for eventual deletion. */ + +static struct resource cfi_flash_resource = { + .start = INTEGRATOR_FLASH_BASE, + .end = INTEGRATOR_FLASH_BASE + INTEGRATOR_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device cfi_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &ap_flash_data, + }, + .num_resources = 1, + .resource = &cfi_flash_resource, +}; + static void __init ap_init_timer(void) { struct clk *clk; @@ -460,14 +548,62 @@ static void __init ap_init_timer(void) writel(0, TIMER1_VA_BASE + TIMER_CTRL); writel(0, TIMER2_VA_BASE + TIMER_CTRL); - integrator_clocksource_init(rate); - integrator_clockevent_init(rate); + integrator_clocksource_init(rate, (void __iomem *)TIMER2_VA_BASE); + integrator_clockevent_init(rate, (void __iomem *)TIMER1_VA_BASE, + IRQ_TIMERINT1); } static struct sys_timer ap_timer = { .init = ap_init_timer, }; +#define INTEGRATOR_SC_VALID_INT 0x003fffff + +static void __init ap_init_irq(void) +{ + /* Disable all interrupts initially. */ + /* Do the core module ones */ + writel(-1, VA_CMIC_BASE + IRQ_ENABLE_CLEAR); + + /* do the header card stuff next */ + writel(-1, VA_IC_BASE + IRQ_ENABLE_CLEAR); + writel(-1, VA_IC_BASE + FIQ_ENABLE_CLEAR); + + fpga_irq_init(VA_IC_BASE, "SC", IRQ_PIC_START, + -1, INTEGRATOR_SC_VALID_INT, NULL); + integrator_clk_init(false); +} + +static void __init ap_init(void) +{ + unsigned long sc_dec; + int i; + + platform_device_register(&cfi_flash_device); + + sc_dec = readl(VA_SC_BASE + INTEGRATOR_SC_DEC_OFFSET); + for (i = 0; i < 4; i++) { + struct lm_device *lmdev; + + if ((sc_dec & (16 << i)) == 0) + continue; + + lmdev = kzalloc(sizeof(struct lm_device), GFP_KERNEL); + if (!lmdev) + continue; + + lmdev->resource.start = 0xc0000000 + 0x10000000 * i; + lmdev->resource.end = lmdev->resource.start + 0x0fffffff; + lmdev->resource.flags = IORESOURCE_MEM; + lmdev->irq = IRQ_AP_EXPINT0 + i; + lmdev->id = i; + + lm_device_register(lmdev); + } + + integrator_init(false); +} + MACHINE_START(INTEGRATOR, "ARM-Integrator") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .atag_offset = 0x100, @@ -481,3 +617,5 @@ MACHINE_START(INTEGRATOR, "ARM-Integrator") .init_machine = ap_init, .restart = integrator_restart, MACHINE_END + +#endif diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 3df5fc36936..6870a1fbcd7 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -23,6 +23,9 @@ #include <linux/gfp.h> #include <linux/mtd/physmap.h> #include <linux/platform_data/clk-integrator.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> +#include <linux/of_platform.h> #include <mach/hardware.h> #include <mach/platform.h> @@ -49,16 +52,9 @@ #include "common.h" #define INTCP_PA_FLASH_BASE 0x24000000 -#define INTCP_FLASH_SIZE SZ_32M #define INTCP_PA_CLCD_BASE 0xc0000000 -#define INTCP_VA_CIC_BASE __io_address(INTEGRATOR_HDR_BASE + 0x40) -#define INTCP_VA_PIC_BASE __io_address(INTEGRATOR_IC_BASE) -#define INTCP_VA_SIC_BASE __io_address(INTEGRATOR_CP_SIC_BASE) - -#define INTCP_ETH_SIZE 0x10 - #define INTCP_VA_CTRL_BASE __io_address(INTEGRATOR_CP_CTL_BASE) #define INTCP_FLASHPROG 0x04 #define CINTEGRATOR_FLASHPROG_FLVPPEN (1 << 0) @@ -143,37 +139,6 @@ static void __init intcp_map_io(void) iotable_init(intcp_io_desc, ARRAY_SIZE(intcp_io_desc)); } -static void __init intcp_init_irq(void) -{ - u32 pic_mask, cic_mask, sic_mask; - - /* These masks are for the HW IRQ registers */ - pic_mask = ~((~0u) << (11 - IRQ_PIC_START)); - pic_mask |= (~((~0u) << (29 - 22))) << 22; - cic_mask = ~((~0u) << (1 + IRQ_CIC_END - IRQ_CIC_START)); - sic_mask = ~((~0u) << (1 + IRQ_SIC_END - IRQ_SIC_START)); - - /* - * Disable all interrupt sources - */ - writel(0xffffffff, INTCP_VA_PIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_PIC_BASE + FIQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + IRQ_ENABLE_CLEAR); - writel(0xffffffff, INTCP_VA_CIC_BASE + FIQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + IRQ_ENABLE_CLEAR); - writel(sic_mask, INTCP_VA_SIC_BASE + FIQ_ENABLE_CLEAR); - - fpga_irq_init(INTCP_VA_PIC_BASE, "PIC", IRQ_PIC_START, - -1, pic_mask, NULL); - - fpga_irq_init(INTCP_VA_CIC_BASE, "CIC", IRQ_CIC_START, - -1, cic_mask, NULL); - - fpga_irq_init(INTCP_VA_SIC_BASE, "SIC", IRQ_SIC_START, - IRQ_CP_CPPLDINT, sic_mask, NULL); - integrator_clk_init(true); -} - /* * Flash handling. */ @@ -216,47 +181,6 @@ static struct physmap_flash_data intcp_flash_data = { .set_vpp = intcp_flash_set_vpp, }; -static struct resource intcp_flash_resource = { - .start = INTCP_PA_FLASH_BASE, - .end = INTCP_PA_FLASH_BASE + INTCP_FLASH_SIZE - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device intcp_flash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &intcp_flash_data, - }, - .num_resources = 1, - .resource = &intcp_flash_resource, -}; - -static struct resource smc91x_resources[] = { - [0] = { - .start = INTEGRATOR_CP_ETH_BASE, - .end = INTEGRATOR_CP_ETH_BASE + INTCP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_CP_ETHINT, - .end = IRQ_CP_ETHINT, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = 0, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, -}; - -static struct platform_device *intcp_devs[] __initdata = { - &intcp_flash_device, - &smc91x_device, -}; - /* * It seems that the card insertion interrupt remains active after * we've acknowledged it. We therefore ignore the interrupt, and @@ -278,16 +202,6 @@ static struct mmci_platform_data mmc_data = { .gpio_cd = -1, }; -#define INTEGRATOR_CP_MMC_IRQS { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 } -#define INTEGRATOR_CP_AACI_IRQS { IRQ_CP_AACIINT } - -static AMBA_APB_DEVICE(mmc, "mmci", 0, INTEGRATOR_CP_MMC_BASE, - INTEGRATOR_CP_MMC_IRQS, &mmc_data); - -static AMBA_APB_DEVICE(aaci, "aaci", 0, INTEGRATOR_CP_AACI_BASE, - INTEGRATOR_CP_AACI_IRQS, NULL); - - /* * CLCD support */ @@ -338,15 +252,6 @@ static struct clcd_board clcd_data = { .remove = versatile_clcd_remove_dma, }; -static AMBA_AHB_DEVICE(clcd, "clcd", 0, INTCP_PA_CLCD_BASE, - { IRQ_CP_CLCDCINT }, &clcd_data); - -static struct amba_device *amba_devs[] __initdata = { - &mmc_device, - &aaci_device, - &clcd_device, -}; - #define REFCOUNTER (__io_address(INTEGRATOR_HDR_BASE) + 0x28) static void __init intcp_init_early(void) @@ -356,16 +261,193 @@ static void __init intcp_init_early(void) #endif } -static void __init intcp_init(void) +static void __init intcp_timer_init_of(void) { - int i; + struct device_node *node; + const char *path; + void __iomem *base; + int err; + int irq; + + err = of_property_read_string(of_aliases, + "arm,timer-primary", &path); + if (WARN_ON(err)) + return; + node = of_find_node_by_path(path); + base = of_iomap(node, 0); + if (WARN_ON(!base)) + return; + writel(0, base + TIMER_CTRL); + sp804_clocksource_init(base, node->name); + + err = of_property_read_string(of_aliases, + "arm,timer-secondary", &path); + if (WARN_ON(err)) + return; + node = of_find_node_by_path(path); + base = of_iomap(node, 0); + if (WARN_ON(!base)) + return; + irq = irq_of_parse_and_map(node, 0); + writel(0, base + TIMER_CTRL); + sp804_clockevents_init(base, irq, node->name); +} - platform_add_devices(intcp_devs, ARRAY_SIZE(intcp_devs)); +static struct sys_timer cp_of_timer = { + .init = intcp_timer_init_of, +}; - for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { - struct amba_device *d = amba_devs[i]; - amba_device_register(d, &iomem_resource); - } +#ifdef CONFIG_OF + +static const struct of_device_id fpga_irq_of_match[] __initconst = { + { .compatible = "arm,versatile-fpga-irq", .data = fpga_irq_of_init, }, + { /* Sentinel */ } +}; + +static void __init intcp_init_irq_of(void) +{ + of_irq_init(fpga_irq_of_match); + integrator_clk_init(true); +} + +/* + * For the Device Tree, add in the UART, MMC and CLCD specifics as AUXDATA + * and enforce the bus names since these are used for clock lookups. + */ +static struct of_dev_auxdata intcp_auxdata_lookup[] __initdata = { + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_RTC_BASE, + "rtc", NULL), + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART0_BASE, + "uart0", &integrator_uart_data), + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_UART1_BASE, + "uart1", &integrator_uart_data), + OF_DEV_AUXDATA("arm,primecell", KMI0_BASE, + "kmi0", NULL), + OF_DEV_AUXDATA("arm,primecell", KMI1_BASE, + "kmi1", NULL), + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_CP_MMC_BASE, + "mmci", &mmc_data), + OF_DEV_AUXDATA("arm,primecell", INTEGRATOR_CP_AACI_BASE, + "aaci", &mmc_data), + OF_DEV_AUXDATA("arm,primecell", INTCP_PA_CLCD_BASE, + "clcd", &clcd_data), + OF_DEV_AUXDATA("cfi-flash", INTCP_PA_FLASH_BASE, + "physmap-flash", &intcp_flash_data), + { /* sentinel */ }, +}; + +static void __init intcp_init_of(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + intcp_auxdata_lookup, NULL); +} + +static const char * intcp_dt_board_compat[] = { + "arm,integrator-cp", + NULL, +}; + +DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)") + .reserve = integrator_reserve, + .map_io = intcp_map_io, + .nr_irqs = NR_IRQS_INTEGRATOR_CP, + .init_early = intcp_init_early, + .init_irq = intcp_init_irq_of, + .handle_irq = fpga_handle_irq, + .timer = &cp_of_timer, + .init_machine = intcp_init_of, + .restart = integrator_restart, + .dt_compat = intcp_dt_board_compat, +MACHINE_END + +#endif + +#ifdef CONFIG_ATAGS + +/* + * This is where non-devicetree initialization code is collected and stashed + * for eventual deletion. + */ + +#define INTCP_FLASH_SIZE SZ_32M + +static struct resource intcp_flash_resource = { + .start = INTCP_PA_FLASH_BASE, + .end = INTCP_PA_FLASH_BASE + INTCP_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device intcp_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &intcp_flash_data, + }, + .num_resources = 1, + .resource = &intcp_flash_resource, +}; + +#define INTCP_ETH_SIZE 0x10 + +static struct resource smc91x_resources[] = { + [0] = { + .start = INTEGRATOR_CP_ETH_BASE, + .end = INTEGRATOR_CP_ETH_BASE + INTCP_ETH_SIZE - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_CP_ETHINT, + .end = IRQ_CP_ETHINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; + +static struct platform_device *intcp_devs[] __initdata = { + &intcp_flash_device, + &smc91x_device, +}; + +#define INTCP_VA_CIC_BASE __io_address(INTEGRATOR_HDR_BASE + 0x40) +#define INTCP_VA_PIC_BASE __io_address(INTEGRATOR_IC_BASE) +#define INTCP_VA_SIC_BASE __io_address(INTEGRATOR_CP_SIC_BASE) + +static void __init intcp_init_irq(void) +{ + u32 pic_mask, cic_mask, sic_mask; + + /* These masks are for the HW IRQ registers */ + pic_mask = ~((~0u) << (11 - IRQ_PIC_START)); + pic_mask |= (~((~0u) << (29 - 22))) << 22; + cic_mask = ~((~0u) << (1 + IRQ_CIC_END - IRQ_CIC_START)); + sic_mask = ~((~0u) << (1 + IRQ_SIC_END - IRQ_SIC_START)); + + /* + * Disable all interrupt sources + */ + writel(0xffffffff, INTCP_VA_PIC_BASE + IRQ_ENABLE_CLEAR); + writel(0xffffffff, INTCP_VA_PIC_BASE + FIQ_ENABLE_CLEAR); + writel(0xffffffff, INTCP_VA_CIC_BASE + IRQ_ENABLE_CLEAR); + writel(0xffffffff, INTCP_VA_CIC_BASE + FIQ_ENABLE_CLEAR); + writel(sic_mask, INTCP_VA_SIC_BASE + IRQ_ENABLE_CLEAR); + writel(sic_mask, INTCP_VA_SIC_BASE + FIQ_ENABLE_CLEAR); + + fpga_irq_init(INTCP_VA_PIC_BASE, "PIC", IRQ_PIC_START, + -1, pic_mask, NULL); + + fpga_irq_init(INTCP_VA_CIC_BASE, "CIC", IRQ_CIC_START, + -1, cic_mask, NULL); + + fpga_irq_init(INTCP_VA_SIC_BASE, "SIC", IRQ_SIC_START, + IRQ_CP_CPPLDINT, sic_mask, NULL); + + integrator_clk_init(true); } #define TIMER0_VA_BASE __io_address(INTEGRATOR_TIMER0_BASE) @@ -386,6 +468,37 @@ static struct sys_timer cp_timer = { .init = intcp_timer_init, }; +#define INTEGRATOR_CP_MMC_IRQS { IRQ_CP_MMCIINT0, IRQ_CP_MMCIINT1 } +#define INTEGRATOR_CP_AACI_IRQS { IRQ_CP_AACIINT } + +static AMBA_APB_DEVICE(mmc, "mmci", 0, INTEGRATOR_CP_MMC_BASE, + INTEGRATOR_CP_MMC_IRQS, &mmc_data); + +static AMBA_APB_DEVICE(aaci, "aaci", 0, INTEGRATOR_CP_AACI_BASE, + INTEGRATOR_CP_AACI_IRQS, NULL); + +static AMBA_AHB_DEVICE(clcd, "clcd", 0, INTCP_PA_CLCD_BASE, + { IRQ_CP_CLCDCINT }, &clcd_data); + +static struct amba_device *amba_devs[] __initdata = { + &mmc_device, + &aaci_device, + &clcd_device, +}; + +static void __init intcp_init(void) +{ + int i; + + platform_add_devices(intcp_devs, ARRAY_SIZE(intcp_devs)); + + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { + struct amba_device *d = amba_devs[i]; + amba_device_register(d, &iomem_resource); + } + integrator_init(true); +} + MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ .atag_offset = 0x100, @@ -399,3 +512,5 @@ MACHINE_START(CINTEGRATOR, "ARM-IntegratorCP") .init_machine = intcp_init, .restart = integrator_restart, MACHINE_END + +#endif |