diff options
Diffstat (limited to 'arch/arm/mach-realview/realview_eb.c')
| -rw-r--r-- | arch/arm/mach-realview/realview_eb.c | 149 |
1 files changed, 92 insertions, 57 deletions
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c index 60d9eb81024..5782d83fd88 100644 --- a/arch/arm/mach-realview/realview_eb.c +++ b/arch/arm/mach-realview/realview_eb.c @@ -51,13 +51,13 @@ static struct map_desc realview_eb_io_desc[] __initdata = { .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = IO_ADDRESS(REALVIEW_GIC_CPU_BASE), - .pfn = __phys_to_pfn(REALVIEW_GIC_CPU_BASE), + .virtual = IO_ADDRESS(REALVIEW_EB_GIC_CPU_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB_GIC_CPU_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = IO_ADDRESS(REALVIEW_GIC_DIST_BASE), - .pfn = __phys_to_pfn(REALVIEW_GIC_DIST_BASE), + .virtual = IO_ADDRESS(REALVIEW_EB_GIC_DIST_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB_GIC_DIST_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { @@ -66,20 +66,20 @@ static struct map_desc realview_eb_io_desc[] __initdata = { .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = IO_ADDRESS(REALVIEW_TIMER0_1_BASE), - .pfn = __phys_to_pfn(REALVIEW_TIMER0_1_BASE), + .virtual = IO_ADDRESS(REALVIEW_EB_TIMER0_1_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB_TIMER0_1_BASE), .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = IO_ADDRESS(REALVIEW_TIMER2_3_BASE), - .pfn = __phys_to_pfn(REALVIEW_TIMER2_3_BASE), + .virtual = IO_ADDRESS(REALVIEW_EB_TIMER2_3_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB_TIMER2_3_BASE), .length = SZ_4K, .type = MT_DEVICE, }, #ifdef CONFIG_DEBUG_LL { - .virtual = IO_ADDRESS(REALVIEW_UART0_BASE), - .pfn = __phys_to_pfn(REALVIEW_UART0_BASE), + .virtual = IO_ADDRESS(REALVIEW_EB_UART0_BASE), + .pfn = __phys_to_pfn(REALVIEW_EB_UART0_BASE), .length = SZ_4K, .type = MT_DEVICE, } @@ -136,12 +136,12 @@ static void __init realview_eb_map_io(void) /* * These devices are connected directly to the multi-layer AHB switch */ -#define SMC_IRQ { NO_IRQ, NO_IRQ } -#define SMC_DMA { 0, 0 } +#define EB_SMC_IRQ { NO_IRQ, NO_IRQ } +#define EB_SMC_DMA { 0, 0 } #define MPMC_IRQ { NO_IRQ, NO_IRQ } #define MPMC_DMA { 0, 0 } -#define CLCD_IRQ { IRQ_EB_CLCD, NO_IRQ } -#define CLCD_DMA { 0, 0 } +#define EB_CLCD_IRQ { IRQ_EB_CLCD, NO_IRQ } +#define EB_CLCD_DMA { 0, 0 } #define DMAC_IRQ { IRQ_EB_DMA, NO_IRQ } #define DMAC_DMA { 0, 0 } @@ -150,53 +150,53 @@ static void __init realview_eb_map_io(void) */ #define SCTL_IRQ { NO_IRQ, NO_IRQ } #define SCTL_DMA { 0, 0 } -#define WATCHDOG_IRQ { IRQ_EB_WDOG, NO_IRQ } -#define WATCHDOG_DMA { 0, 0 } -#define GPIO0_IRQ { IRQ_EB_GPIO0, NO_IRQ } -#define GPIO0_DMA { 0, 0 } +#define EB_WATCHDOG_IRQ { IRQ_EB_WDOG, NO_IRQ } +#define EB_WATCHDOG_DMA { 0, 0 } +#define EB_GPIO0_IRQ { IRQ_EB_GPIO0, NO_IRQ } +#define EB_GPIO0_DMA { 0, 0 } #define GPIO1_IRQ { IRQ_EB_GPIO1, NO_IRQ } #define GPIO1_DMA { 0, 0 } -#define RTC_IRQ { IRQ_EB_RTC, NO_IRQ } -#define RTC_DMA { 0, 0 } +#define EB_RTC_IRQ { IRQ_EB_RTC, NO_IRQ } +#define EB_RTC_DMA { 0, 0 } /* * These devices are connected via the DMA APB bridge */ #define SCI_IRQ { IRQ_EB_SCI, NO_IRQ } #define SCI_DMA { 7, 6 } -#define UART0_IRQ { IRQ_EB_UART0, NO_IRQ } -#define UART0_DMA { 15, 14 } -#define UART1_IRQ { IRQ_EB_UART1, NO_IRQ } -#define UART1_DMA { 13, 12 } -#define UART2_IRQ { IRQ_EB_UART2, NO_IRQ } -#define UART2_DMA { 11, 10 } -#define UART3_IRQ { IRQ_EB_UART3, NO_IRQ } -#define UART3_DMA { 0x86, 0x87 } -#define SSP_IRQ { IRQ_EB_SSP, NO_IRQ } -#define SSP_DMA { 9, 8 } +#define EB_UART0_IRQ { IRQ_EB_UART0, NO_IRQ } +#define EB_UART0_DMA { 15, 14 } +#define EB_UART1_IRQ { IRQ_EB_UART1, NO_IRQ } +#define EB_UART1_DMA { 13, 12 } +#define EB_UART2_IRQ { IRQ_EB_UART2, NO_IRQ } +#define EB_UART2_DMA { 11, 10 } +#define EB_UART3_IRQ { IRQ_EB_UART3, NO_IRQ } +#define EB_UART3_DMA { 0x86, 0x87 } +#define EB_SSP_IRQ { IRQ_EB_SSP, NO_IRQ } +#define EB_SSP_DMA { 9, 8 } /* FPGA Primecells */ AMBA_DEVICE(aaci, "fpga:04", AACI, NULL); AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data); AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL); AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL); -AMBA_DEVICE(uart3, "fpga:09", UART3, NULL); +AMBA_DEVICE(uart3, "fpga:09", EB_UART3, NULL); /* DevChip Primecells */ -AMBA_DEVICE(smc, "dev:00", SMC, NULL); -AMBA_DEVICE(clcd, "dev:20", CLCD, &clcd_plat_data); +AMBA_DEVICE(smc, "dev:00", EB_SMC, NULL); +AMBA_DEVICE(clcd, "dev:20", EB_CLCD, &clcd_plat_data); AMBA_DEVICE(dmac, "dev:30", DMAC, NULL); AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); -AMBA_DEVICE(wdog, "dev:e1", WATCHDOG, NULL); -AMBA_DEVICE(gpio0, "dev:e4", GPIO0, NULL); +AMBA_DEVICE(wdog, "dev:e1", EB_WATCHDOG, NULL); +AMBA_DEVICE(gpio0, "dev:e4", EB_GPIO0, NULL); AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); -AMBA_DEVICE(rtc, "dev:e8", RTC, NULL); +AMBA_DEVICE(rtc, "dev:e8", EB_RTC, NULL); AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); -AMBA_DEVICE(uart0, "dev:f1", UART0, NULL); -AMBA_DEVICE(uart1, "dev:f2", UART1, NULL); -AMBA_DEVICE(uart2, "dev:f3", UART2, NULL); -AMBA_DEVICE(ssp0, "dev:f4", SSP, NULL); +AMBA_DEVICE(uart0, "dev:f1", EB_UART0, NULL); +AMBA_DEVICE(uart1, "dev:f2", EB_UART1, NULL); +AMBA_DEVICE(uart2, "dev:f3", EB_UART2, NULL); +AMBA_DEVICE(ssp0, "dev:f4", EB_SSP, NULL); static struct amba_device *amba_devs[] __initdata = { &dmac_device, @@ -223,11 +223,16 @@ static struct amba_device *amba_devs[] __initdata = { /* * RealView EB platform devices */ +static struct resource realview_eb_flash_resource = { + .start = REALVIEW_EB_FLASH_BASE, + .end = REALVIEW_EB_FLASH_BASE + REALVIEW_EB_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, +}; -static struct resource realview_eb_smc91x_resources[] = { +static struct resource realview_eb_eth_resources[] = { [0] = { - .start = REALVIEW_ETH_BASE, - .end = REALVIEW_ETH_BASE + SZ_64K - 1, + .start = REALVIEW_EB_ETH_BASE, + .end = REALVIEW_EB_ETH_BASE + SZ_64K - 1, .flags = IORESOURCE_MEM, }, [1] = { @@ -237,13 +242,36 @@ static struct resource realview_eb_smc91x_resources[] = { }, }; -static struct platform_device realview_eb_smc91x_device = { - .name = "smc91x", +static struct platform_device realview_eb_eth_device = { .id = 0, - .num_resources = ARRAY_SIZE(realview_eb_smc91x_resources), - .resource = realview_eb_smc91x_resources, + .num_resources = ARRAY_SIZE(realview_eb_eth_resources), + .resource = realview_eb_eth_resources, }; +/* + * Detect and register the correct Ethernet device. RealView/EB rev D + * platforms use the newer SMSC LAN9118 Ethernet chip + */ +static int eth_device_register(void) +{ + void __iomem *eth_addr = ioremap(REALVIEW_EB_ETH_BASE, SZ_4K); + u32 idrev; + + if (!eth_addr) + return -ENOMEM; + + idrev = readl(eth_addr + 0x50); + if ((idrev & 0xFFFF0000) == 0x01180000) + /* SMSC LAN9118 chip present */ + realview_eb_eth_device.name = "smc911x"; + else + /* SMSC 91C111 chip present */ + realview_eb_eth_device.name = "smc91x"; + + iounmap(eth_addr); + return platform_device_register(&realview_eb_eth_device); +} + static void __init gic_init_irq(void) { if (core_tile_eb11mp()) { @@ -263,14 +291,14 @@ static void __init gic_init_irq(void) #ifndef CONFIG_REALVIEW_EB_ARM11MP_REVB /* board GIC, secondary */ - gic_dist_init(1, __io_address(REALVIEW_GIC_DIST_BASE), 64); - gic_cpu_init(1, __io_address(REALVIEW_GIC_CPU_BASE)); + gic_dist_init(1, __io_address(REALVIEW_EB_GIC_DIST_BASE), 64); + gic_cpu_init(1, __io_address(REALVIEW_EB_GIC_CPU_BASE)); gic_cascade_irq(1, IRQ_EB11MP_EB_IRQ1); #endif } else { /* board GIC, primary */ - gic_cpu_base_addr = __io_address(REALVIEW_GIC_CPU_BASE); - gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29); + gic_cpu_base_addr = __io_address(REALVIEW_EB_GIC_CPU_BASE); + gic_dist_init(0, __io_address(REALVIEW_EB_GIC_DIST_BASE), 29); gic_cpu_init(0, gic_cpu_base_addr); } } @@ -301,14 +329,19 @@ static void realview_eb11mp_fixup(void) kmi1_device.irq[0] = IRQ_EB11MP_KMI1; /* platform devices */ - realview_eb_smc91x_resources[1].start = IRQ_EB11MP_ETH; - realview_eb_smc91x_resources[1].end = IRQ_EB11MP_ETH; + realview_eb_eth_resources[1].start = IRQ_EB11MP_ETH; + realview_eb_eth_resources[1].end = IRQ_EB11MP_ETH; } static void __init realview_eb_timer_init(void) { unsigned int timer_irq; + timer0_va_base = __io_address(REALVIEW_EB_TIMER0_1_BASE); + timer1_va_base = __io_address(REALVIEW_EB_TIMER0_1_BASE) + 0x20; + timer2_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE); + timer3_va_base = __io_address(REALVIEW_EB_TIMER2_3_BASE) + 0x20; + if (core_tile_eb11mp()) { #ifdef CONFIG_LOCAL_TIMERS twd_base_addr = __io_address(REALVIEW_EB11MP_TWD_BASE); @@ -332,16 +365,18 @@ static void __init realview_eb_init(void) if (core_tile_eb11mp()) { realview_eb11mp_fixup(); +#ifdef CONFIG_CACHE_L2X0 /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled * Bits: .... ...0 0111 1001 0000 .... .... .... */ l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff); +#endif } clk_register(&realview_clcd_clk); - platform_device_register(&realview_flash_device); - platform_device_register(&realview_eb_smc91x_device); + realview_flash_register(&realview_eb_flash_resource, 1); platform_device_register(&realview_i2c_device); + eth_device_register(); for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { struct amba_device *d = amba_devs[i]; @@ -355,8 +390,8 @@ static void __init realview_eb_init(void) MACHINE_START(REALVIEW_EB, "ARM-RealView EB") /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ - .phys_io = REALVIEW_UART0_BASE, - .io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc, + .phys_io = REALVIEW_EB_UART0_BASE, + .io_pg_offst = (IO_ADDRESS(REALVIEW_EB_UART0_BASE) >> 18) & 0xfffc, .boot_params = 0x00000100, .map_io = realview_eb_map_io, .init_irq = gic_init_irq, |