From a0316b244e75d80df3790b69b0a2cb0bbf4c1562 Mon Sep 17 00:00:00 2001 From: Bahadir Balban Date: Fri, 18 Apr 2008 22:43:15 +0100 Subject: [PATCH] RealView: Base support for the PB1176 platform This patch adds the base files for the PB1176 platform support. Signed-off-by: Bahadir Balban Signed-off-by: Catalin Marinas --- arch/arm/mach-realview/realview_pb1176.c | 290 +++++++++++++++++++ include/asm-arm/arch-realview/board-pb1176.h | 152 ++++++++++ include/asm-arm/arch-realview/irqs.h | 1 + 3 files changed, 443 insertions(+) create mode 100644 arch/arm/mach-realview/realview_pb1176.c create mode 100644 include/asm-arm/arch-realview/board-pb1176.h diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c new file mode 100644 index 00000000000..4e6731098e5 --- /dev/null +++ b/arch/arm/mach-realview/realview_pb1176.c @@ -0,0 +1,290 @@ +/* + * linux/arch/arm/mach-realview/realview_pb1176.c + * + * Copyright (C) 2008 ARM Limited + * Copyright (C) 2000 Deep Blue Solutions Ltd + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include + +#include "core.h" +#include "clock.h" + +static struct map_desc realview_pb1176_io_desc[] __initdata = { + { + .virtual = IO_ADDRESS(REALVIEW_SYS_BASE), + .pfn = __phys_to_pfn(REALVIEW_SYS_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_CPU_BASE), + .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_CPU_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_PB1176_GIC_DIST_BASE), + .pfn = __phys_to_pfn(REALVIEW_PB1176_GIC_DIST_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_CPU_BASE), + .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_CPU_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_DC1176_GIC_DIST_BASE), + .pfn = __phys_to_pfn(REALVIEW_DC1176_GIC_DIST_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_SCTL_BASE), + .pfn = __phys_to_pfn(REALVIEW_SCTL_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER0_1_BASE), + .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER0_1_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_PB1176_TIMER2_3_BASE), + .pfn = __phys_to_pfn(REALVIEW_PB1176_TIMER2_3_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, { + .virtual = IO_ADDRESS(REALVIEW_PB1176_L220_BASE), + .pfn = __phys_to_pfn(REALVIEW_PB1176_L220_BASE), + .length = SZ_8K, + .type = MT_DEVICE, + }, +#ifdef CONFIG_DEBUG_LL + { + .virtual = IO_ADDRESS(REALVIEW_PB1176_UART0_BASE), + .pfn = __phys_to_pfn(REALVIEW_PB1176_UART0_BASE), + .length = SZ_4K, + .type = MT_DEVICE, + }, +#endif +}; + +static void __init realview_pb1176_map_io(void) +{ + iotable_init(realview_pb1176_io_desc, ARRAY_SIZE(realview_pb1176_io_desc)); +} + +/* + * RealView PB1176 AMBA devices + */ +#define GPIO2_IRQ { IRQ_PB1176_GPIO2, NO_IRQ } +#define GPIO2_DMA { 0, 0 } +#define GPIO3_IRQ { IRQ_PB1176_GPIO3, NO_IRQ } +#define GPIO3_DMA { 0, 0 } +#define AACI_IRQ { IRQ_PB1176_AACI, NO_IRQ } +#define AACI_DMA { 0x80, 0x81 } +#define MMCI0_IRQ { IRQ_PB1176_MMCI0A, IRQ_PB1176_MMCI0B } +#define MMCI0_DMA { 0x84, 0 } +#define KMI0_IRQ { IRQ_PB1176_KMI0, NO_IRQ } +#define KMI0_DMA { 0, 0 } +#define KMI1_IRQ { IRQ_PB1176_KMI1, NO_IRQ } +#define KMI1_DMA { 0, 0 } +#define PB1176_SMC_IRQ { NO_IRQ, NO_IRQ } +#define PB1176_SMC_DMA { 0, 0 } +#define MPMC_IRQ { NO_IRQ, NO_IRQ } +#define MPMC_DMA { 0, 0 } +#define PB1176_CLCD_IRQ { IRQ_DC1176_CLCD, NO_IRQ } +#define PB1176_CLCD_DMA { 0, 0 } +#define DMAC_IRQ { IRQ_PB1176_DMAC, NO_IRQ } +#define DMAC_DMA { 0, 0 } +#define SCTL_IRQ { NO_IRQ, NO_IRQ } +#define SCTL_DMA { 0, 0 } +#define PB1176_WATCHDOG_IRQ { IRQ_DC1176_WATCHDOG, NO_IRQ } +#define PB1176_WATCHDOG_DMA { 0, 0 } +#define PB1176_GPIO0_IRQ { IRQ_PB1176_GPIO0, NO_IRQ } +#define PB1176_GPIO0_DMA { 0, 0 } +#define GPIO1_IRQ { IRQ_PB1176_GPIO1, NO_IRQ } +#define GPIO1_DMA { 0, 0 } +#define PB1176_RTC_IRQ { IRQ_DC1176_RTC, NO_IRQ } +#define PB1176_RTC_DMA { 0, 0 } +#define SCI_IRQ { IRQ_PB1176_SCI, NO_IRQ } +#define SCI_DMA { 7, 6 } +#define PB1176_UART0_IRQ { IRQ_DC1176_UART0, NO_IRQ } +#define PB1176_UART0_DMA { 15, 14 } +#define PB1176_UART1_IRQ { IRQ_DC1176_UART1, NO_IRQ } +#define PB1176_UART1_DMA { 13, 12 } +#define PB1176_UART2_IRQ { IRQ_DC1176_UART2, NO_IRQ } +#define PB1176_UART2_DMA { 11, 10 } +#define PB1176_UART3_IRQ { IRQ_DC1176_UART3, NO_IRQ } +#define PB1176_UART3_DMA { 0x86, 0x87 } +#define PB1176_SSP_IRQ { IRQ_PB1176_SSP, NO_IRQ } +#define PB1176_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", PB1176_UART3, NULL); + +/* DevChip Primecells */ +AMBA_DEVICE(smc, "dev:00", PB1176_SMC, NULL); +AMBA_DEVICE(sctl, "dev:e0", SCTL, NULL); +AMBA_DEVICE(wdog, "dev:e1", PB1176_WATCHDOG, NULL); +AMBA_DEVICE(gpio0, "dev:e4", PB1176_GPIO0, NULL); +AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL); +AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL); +AMBA_DEVICE(rtc, "dev:e8", PB1176_RTC, NULL); +AMBA_DEVICE(sci0, "dev:f0", SCI, NULL); +AMBA_DEVICE(uart0, "dev:f1", PB1176_UART0, NULL); +AMBA_DEVICE(uart1, "dev:f2", PB1176_UART1, NULL); +AMBA_DEVICE(uart2, "dev:f3", PB1176_UART2, NULL); +AMBA_DEVICE(ssp0, "dev:f4", PB1176_SSP, NULL); + +/* Primecells on the NEC ISSP chip */ +AMBA_DEVICE(clcd, "issp:20", PB1176_CLCD, &clcd_plat_data); +//AMBA_DEVICE(dmac, "issp:30", PB1176_DMAC, NULL); + +static struct amba_device *amba_devs[] __initdata = { +// &dmac_device, + &uart0_device, + &uart1_device, + &uart2_device, + &uart3_device, + &smc_device, + &clcd_device, + &sctl_device, + &wdog_device, + &gpio0_device, + &gpio1_device, + &gpio2_device, + &rtc_device, + &sci0_device, + &ssp0_device, + &aaci_device, + &mmc0_device, + &kmi0_device, + &kmi1_device, +}; + +/* + * RealView PB1176 platform devices + */ +static struct resource realview_pb1176_flash_resource = { + .start = REALVIEW_PB1176_FLASH_BASE, + .end = REALVIEW_PB1176_FLASH_BASE + REALVIEW_PB1176_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct resource realview_pb1176_smsc911x_resources[] = { + [0] = { + .start = REALVIEW_PB1176_ETH_BASE, + .end = REALVIEW_PB1176_ETH_BASE + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_PB1176_ETH, + .end = IRQ_PB1176_ETH, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device realview_pb1176_smsc911x_device = { + .name = "smc911x", + .id = 0, + .num_resources = ARRAY_SIZE(realview_pb1176_smsc911x_resources), + .resource = realview_pb1176_smsc911x_resources, +}; + +static void __init gic_init_irq(void) +{ + /* ARM1176 DevChip GIC, primary */ + gic_cpu_base_addr = __io_address(REALVIEW_DC1176_GIC_CPU_BASE); + gic_dist_init(0, __io_address(REALVIEW_DC1176_GIC_DIST_BASE), IRQ_DC1176_GIC_START); + gic_cpu_init(0, gic_cpu_base_addr); + + /* board GIC, secondary */ + gic_dist_init(1, __io_address(REALVIEW_PB1176_GIC_DIST_BASE), IRQ_PB1176_GIC_START); + gic_cpu_init(1, __io_address(REALVIEW_PB1176_GIC_CPU_BASE)); + gic_cascade_irq(1, IRQ_DC1176_PB_IRQ1); +} + +static void __init realview_pb1176_timer_init(void) +{ + timer0_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE); + timer1_va_base = __io_address(REALVIEW_PB1176_TIMER0_1_BASE) + 0x20; + timer2_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE); + timer3_va_base = __io_address(REALVIEW_PB1176_TIMER2_3_BASE) + 0x20; + + realview_timer_init(IRQ_DC1176_TIMER0); +} + +static struct sys_timer realview_pb1176_timer = { + .init = realview_pb1176_timer_init, +}; + +static void __init realview_pb1176_init(void) +{ + int i; + + /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */ + l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff); + + clk_register(&realview_clcd_clk); + + realview_flash_register(&realview_pb1176_flash_resource, 1); + platform_device_register(&realview_pb1176_smsc911x_device); + + for (i = 0; i < ARRAY_SIZE(amba_devs); i++) { + struct amba_device *d = amba_devs[i]; + amba_device_register(d, &iomem_resource); + } + +#ifdef CONFIG_LEDS + leds_event = realview_leds_event; +#endif +} + +MACHINE_START(REALVIEW_PB1176, "ARM-RealView PB1176") + /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */ + .phys_io = REALVIEW_PB1176_UART0_BASE, + .io_pg_offst = (IO_ADDRESS(REALVIEW_PB1176_UART0_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .map_io = realview_pb1176_map_io, + .init_irq = gic_init_irq, + .timer = &realview_pb1176_timer, + .init_machine = realview_pb1176_init, +MACHINE_END diff --git a/include/asm-arm/arch-realview/board-pb1176.h b/include/asm-arm/arch-realview/board-pb1176.h new file mode 100644 index 00000000000..48ce9c83370 --- /dev/null +++ b/include/asm-arm/arch-realview/board-pb1176.h @@ -0,0 +1,152 @@ +/* + * include/asm-arm/arch-realview/board-pb1176.h + * + * Copyright (C) 2008 ARM Limited + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301, USA. + */ + +#ifndef __ASM_ARCH_BOARD_PB1176_H +#define __ASM_ARCH_BOARD_PB1176_H + +#include + +/* + * Peripheral addresses + */ +#define REALVIEW_PB1176_SCTL_BASE 0x10100000 /* System controller */ +#define REALVIEW_PB1176_SMC_BASE 0x10111000 /* SMC */ +#define REALVIEW_PB1176_DMC_BASE 0x10109000 /* DMC configuration */ +#define REALVIEW_PB1176_SDRAM67_BASE 0x70000000 /* SDRAM banks 6 and 7 */ +#define REALVIEW_PB1176_FLASH_BASE 0x30000000 +#define REALVIEW_PB1176_FLASH_SIZE SZ_64M + +#define REALVIEW_PB1176_TIMER0_1_BASE 0x10104000 /* Timer 0 and 1 */ +#define REALVIEW_PB1176_TIMER2_3_BASE 0x10105000 /* Timer 2 and 3 */ +#define REALVIEW_PB1176_TIMER4_5_BASE 0x10106000 /* Timer 4 and 5 */ +#define REALVIEW_PB1176_WATCHDOG_BASE 0x10107000 /* watchdog interface */ +#define REALVIEW_PB1176_RTC_BASE 0x10108000 /* Real Time Clock */ +#define REALVIEW_PB1176_GPIO0_BASE 0x1010A000 /* GPIO port 0 */ +#define REALVIEW_PB1176_SSP_BASE 0x1010B000 /* Synchronous Serial Port */ +#define REALVIEW_PB1176_UART0_BASE 0x1010C000 /* UART 0 */ +#define REALVIEW_PB1176_UART1_BASE 0x1010D000 /* UART 1 */ +#define REALVIEW_PB1176_UART2_BASE 0x1010E000 /* UART 2 */ +#define REALVIEW_PB1176_UART3_BASE 0x1010F000 /* UART 3 */ +#define REALVIEW_PB1176_CLCD_BASE 0x10112000 /* CLCD */ +#define REALVIEW_PB1176_ETH_BASE 0x3A000000 /* Ethernet */ +#define REALVIEW_PB1176_USB_BASE 0x3B000000 /* USB */ + +/* + * PCI regions + */ +#define REALVIEW_PB1176_PCI_BASE 0x60000000 /* PCI self config */ +#define REALVIEW_PB1176_PCI_CFG_BASE 0x61000000 /* PCI config */ +#define REALVIEW_PB1176_PCI_IO_BASE0 0x62000000 /* PCI IO region */ +#define REALVIEW_PB1176_PCI_MEM_BASE0 0x63000000 /* Memory region 1 */ +#define REALVIEW_PB1176_PCI_MEM_BASE1 0x64000000 /* Memory region 2 */ +#define REALVIEW_PB1176_PCI_MEM_BASE2 0x68000000 /* Memory region 3 */ + +#define REALVIEW_PB1176_PCI_BASE_SIZE 0x01000000 /* 16MB */ +#define REALVIEW_PB1176_PCI_CFG_BASE_SIZE 0x01000000 /* 16MB */ +#define REALVIEW_PB1176_PCI_IO_BASE0_SIZE 0x01000000 /* 16MB */ +#define REALVIEW_PB1176_PCI_MEM_BASE0_SIZE 0x01000000 /* 16MB */ +#define REALVIEW_PB1176_PCI_MEM_BASE1_SIZE 0x04000000 /* 64MB */ +#define REALVIEW_PB1176_PCI_MEM_BASE2_SIZE 0x08000000 /* 128MB */ + +#define REALVIEW_DC1176_GIC_CPU_BASE 0x10120000 /* GIC CPU interface, on devchip */ +#define REALVIEW_DC1176_GIC_DIST_BASE 0x10121000 /* GIC distributor, on devchip */ +#define REALVIEW_PB1176_GIC_CPU_BASE 0x10040000 /* GIC CPU interface, on FPGA */ +#define REALVIEW_PB1176_GIC_DIST_BASE 0x10041000 /* GIC distributor, on FPGA */ +#define REALVIEW_PB1176_L220_BASE 0x10110000 /* L220 registers */ + +/* + * Irqs + */ +#define IRQ_DC1176_GIC_START 32 +#define IRQ_PB1176_GIC_START 64 + +/* + * ARM1176 DevChip interrupt sources (primary GIC) + */ +#define IRQ_DC1176_WATCHDOG (IRQ_DC1176_GIC_START + 0) /* Watchdog timer */ +#define IRQ_DC1176_SOFTINT (IRQ_DC1176_GIC_START + 1) /* Software interrupt */ +#define IRQ_DC1176_COMMRx (IRQ_DC1176_GIC_START + 2) /* Debug Comm Rx interrupt */ +#define IRQ_DC1176_COMMTx (IRQ_DC1176_GIC_START + 3) /* Debug Comm Tx interrupt */ +#define IRQ_DC1176_TIMER0 (IRQ_DC1176_GIC_START + 8) /* Timer 0 */ +#define IRQ_DC1176_TIMER1 (IRQ_DC1176_GIC_START + 9) /* Timer 1 */ +#define IRQ_DC1176_TIMER2 (IRQ_DC1176_GIC_START + 10) /* Timer 2 */ +#define IRQ_DC1176_APC (IRQ_DC1176_GIC_START + 11) +#define IRQ_DC1176_IEC (IRQ_DC1176_GIC_START + 12) +#define IRQ_DC1176_L2CC (IRQ_DC1176_GIC_START + 13) +#define IRQ_DC1176_RTC (IRQ_DC1176_GIC_START + 14) +#define IRQ_DC1176_CLCD (IRQ_DC1176_GIC_START + 15) /* CLCD controller */ +#define IRQ_DC1176_UART0 (IRQ_DC1176_GIC_START + 18) /* UART 0 on development chip */ +#define IRQ_DC1176_UART1 (IRQ_DC1176_GIC_START + 19) /* UART 1 on development chip */ +#define IRQ_DC1176_UART2 (IRQ_DC1176_GIC_START + 20) /* UART 2 on development chip */ +#define IRQ_DC1176_UART3 (IRQ_DC1176_GIC_START + 21) /* UART 3 on development chip */ + +#define IRQ_DC1176_PB_IRQ2 (IRQ_DC1176_GIC_START + 30) /* tile GIC */ +#define IRQ_DC1176_PB_IRQ1 (IRQ_DC1176_GIC_START + 31) /* main GIC */ + +/* + * RealView PB1176 interrupt sources (secondary GIC) + */ +#define IRQ_PB1176_MMCI0A (IRQ_PB1176_GIC_START + 1) /* Multimedia Card 0A */ +#define IRQ_PB1176_MMCI0B (IRQ_PB1176_GIC_START + 2) /* Multimedia Card 0A */ +#define IRQ_PB1176_KMI0 (IRQ_PB1176_GIC_START + 3) /* Keyboard/Mouse port 0 */ +#define IRQ_PB1176_KMI1 (IRQ_PB1176_GIC_START + 4) /* Keyboard/Mouse port 1 */ +#define IRQ_PB1176_SCI (IRQ_PB1176_GIC_START + 5) +#define IRQ_PB1176_UART4 (IRQ_PB1176_GIC_START + 6) /* UART 4 on baseboard */ +#define IRQ_PB1176_CHARLCD (IRQ_PB1176_GIC_START + 7) /* Character LCD */ +#define IRQ_PB1176_GPIO1 (IRQ_PB1176_GIC_START + 8) +#define IRQ_PB1176_GPIO2 (IRQ_PB1176_GIC_START + 9) +#define IRQ_PB1176_ETH (IRQ_PB1176_GIC_START + 10) /* Ethernet controller */ +#define IRQ_PB1176_USB (IRQ_PB1176_GIC_START + 11) /* USB controller */ + +#define IRQ_PB1176_PISMO (IRQ_PB1176_GIC_START + 16) + +#define IRQ_PB1176_AACI (IRQ_PB1176_GIC_START + 19) /* Audio Codec */ + +#define IRQ_PB1176_TIMER0_1 (IRQ_PB1176_GIC_START + 22) +#define IRQ_PB1176_TIMER2_3 (IRQ_PB1176_GIC_START + 23) +#define IRQ_PB1176_DMAC (IRQ_PB1176_GIC_START + 24) /* DMA controller */ +#define IRQ_PB1176_RTC (IRQ_PB1176_GIC_START + 25) /* Real Time Clock */ + +#define IRQ_PB1176_GPIO0 -1 +#define IRQ_PB1176_SSP -1 +#define IRQ_PB1176_SCTL -1 + +#define NR_GIC_PB1176 2 + +/* + * Only define NR_IRQS if less than NR_IRQS_PB1176 + */ +#define NR_IRQS_PB1176 (IRQ_DC1176_GIC_START + 96) + +#if defined(CONFIG_MACH_REALVIEW_PB1176) + +#if !defined(NR_IRQS) || (NR_IRQS < NR_IRQS_PB1176) +#undef NR_IRQS +#define NR_IRQS NR_IRQS_PB1176 +#endif + +#if !defined(MAX_GIC_NR) || (MAX_GIC_NR < NR_GIC_PB1176) +#undef MAX_GIC_NR +#define MAX_GIC_NR NR_GIC_PB1176 +#endif + +#endif /* CONFIG_MACH_REALVIEW_PB1176 */ + +#endif /* __ASM_ARCH_BOARD_PB1176_H */ diff --git a/include/asm-arm/arch-realview/irqs.h b/include/asm-arm/arch-realview/irqs.h index 15e77510439..ccbac59235c 100644 --- a/include/asm-arm/arch-realview/irqs.h +++ b/include/asm-arm/arch-realview/irqs.h @@ -24,6 +24,7 @@ #include #include +#include #define IRQ_LOCALTIMER 29 #define IRQ_LOCALWDOG 30 -- 2.41.0