From bb6d8c8828123e01e2ae6c9d9c4870477889fd94 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 19 Jun 2006 15:27:53 +0100 Subject: [ARM] 3567/2: arm: base support for Hilscher netX Patch from Sascha Hauer This patch adds the base support for Hilscher's netX network processors. Signed-off-by: Robert Schwebel Signed-off-by: Sascha Hauer Signed-off-by: Russell King --- include/asm-arm/arch-netx/debug-macro.S | 38 +++++++++++++++++ include/asm-arm/arch-netx/dma.h | 21 +++++++++ include/asm-arm/arch-netx/entry-macro.S | 35 +++++++++++++++ include/asm-arm/arch-netx/hardware.h | 39 +++++++++++++++++ include/asm-arm/arch-netx/io.h | 29 +++++++++++++ include/asm-arm/arch-netx/irqs.h | 70 ++++++++++++++++++++++++++++++ include/asm-arm/arch-netx/memory.h | 36 ++++++++++++++++ include/asm-arm/arch-netx/param.h | 18 ++++++++ include/asm-arm/arch-netx/system.h | 38 +++++++++++++++++ include/asm-arm/arch-netx/timex.h | 20 +++++++++ include/asm-arm/arch-netx/uncompress.h | 76 +++++++++++++++++++++++++++++++++ include/asm-arm/arch-netx/vmalloc.h | 19 +++++++++ 12 files changed, 439 insertions(+) create mode 100644 include/asm-arm/arch-netx/debug-macro.S create mode 100644 include/asm-arm/arch-netx/dma.h create mode 100644 include/asm-arm/arch-netx/entry-macro.S create mode 100644 include/asm-arm/arch-netx/hardware.h create mode 100644 include/asm-arm/arch-netx/io.h create mode 100644 include/asm-arm/arch-netx/irqs.h create mode 100644 include/asm-arm/arch-netx/memory.h create mode 100644 include/asm-arm/arch-netx/param.h create mode 100644 include/asm-arm/arch-netx/system.h create mode 100644 include/asm-arm/arch-netx/timex.h create mode 100644 include/asm-arm/arch-netx/uncompress.h create mode 100644 include/asm-arm/arch-netx/vmalloc.h (limited to 'include/asm-arm') diff --git a/include/asm-arm/arch-netx/debug-macro.S b/include/asm-arm/arch-netx/debug-macro.S new file mode 100644 index 00000000000..a940d0e80cb --- /dev/null +++ b/include/asm-arm/arch-netx/debug-macro.S @@ -0,0 +1,38 @@ +/* linux/include/asm-arm/arch-netx/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * 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. + * +*/ + +#include "hardware.h" + + .macro addruart,rx + mrc p15, 0, \rx, c1, c0 + tst \rx, #1 @ MMU enabled? + moveq \rx, #0x00100000 @ physical + movne \rx, #io_p2v(0x00100000) @ virtual + orr \rx, \rx, #0x00000a00 + .endm + + .macro senduart,rd,rx + str \rd, [\rx, #0] + .endm + + .macro busyuart,rd,rx +1002: ldr \rd, [\rx, #0x18] + tst \rd, #(1 << 3) + bne 1002b + .endm + + .macro waituart,rd,rx +1001: ldr \rd, [\rx, #0x18] + tst \rd, #(1 << 3) + bne 1001b + .endm diff --git a/include/asm-arm/arch-netx/dma.h b/include/asm-arm/arch-netx/dma.h new file mode 100644 index 00000000000..4eda5feed81 --- /dev/null +++ b/include/asm-arm/arch-netx/dma.h @@ -0,0 +1,21 @@ +/* + * linux/include/asm-arm/arch-netx/dma.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define MAX_DMA_CHANNELS 0 +#define MAX_DMA_ADDRESS ~0 diff --git a/include/asm-arm/arch-netx/entry-macro.S b/include/asm-arm/arch-netx/entry-macro.S new file mode 100644 index 00000000000..658df4d60ff --- /dev/null +++ b/include/asm-arm/arch-netx/entry-macro.S @@ -0,0 +1,35 @@ +/* + * include/asm-arm/arch-netx/entry-macro.S + * + * Low-level IRQ helper macros for Hilscher netX based platforms + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include + + .macro disable_fiq + .endm + + .macro get_irqnr_and_base, irqnr, irqstat, base, tmp + mov \base, #io_p2v(0x00100000) + add \base, \base, #0x000ff000 + + ldr \irqstat, [\base, #0] + clz \irqnr, \irqstat + rsb \irqnr, \irqnr, #31 + cmp \irqstat, #0 + .endm + diff --git a/include/asm-arm/arch-netx/hardware.h b/include/asm-arm/arch-netx/hardware.h new file mode 100644 index 00000000000..7786c45455c --- /dev/null +++ b/include/asm-arm/arch-netx/hardware.h @@ -0,0 +1,39 @@ +/* + * include/asm-arm/arch-netx/hardware.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_HARDWARE_H +#define __ASM_ARCH_HARDWARE_H + +#define NETX_IO_PHYS 0x00100000 +#define NETX_IO_VIRT 0xe0000000 +#define NETX_IO_SIZE 0x00100000 + +#define SRAM_INTERNAL_PHYS_0 0x00000 +#define SRAM_INTERNAL_PHYS_1 0x08000 +#define SRAM_INTERNAL_PHYS_2 0x10000 +#define SRAM_INTERNAL_PHYS_3 0x18000 +#define SRAM_INTERNAL_PHYS(no) ((no) * 0x8000) + +#define XPEC_MEM_SIZE 0x4000 +#define XMAC_MEM_SIZE 0x1000 +#define SRAM_MEM_SIZE 0x8000 + +#define io_p2v(x) ((x) - NETX_IO_PHYS + NETX_IO_VIRT) +#define io_v2p(x) ((x) - NETX_IO_VIRT + NETX_IO_PHYS) + +#endif diff --git a/include/asm-arm/arch-netx/io.h b/include/asm-arm/arch-netx/io.h new file mode 100644 index 00000000000..81b7bc47747 --- /dev/null +++ b/include/asm-arm/arch-netx/io.h @@ -0,0 +1,29 @@ +/* + * linux/include/asm-arm/arch-netx/io.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARM_ARCH_IO_H +#define __ASM_ARM_ARCH_IO_H + +#define IO_SPACE_LIMIT 0xffffffff + +#define __io(a) ((void __iomem *)(a)) +#define __mem_pci(a) (a) +#define __mem_isa(a) (a) + +#endif diff --git a/include/asm-arm/arch-netx/irqs.h b/include/asm-arm/arch-netx/irqs.h new file mode 100644 index 00000000000..a487dc6e266 --- /dev/null +++ b/include/asm-arm/arch-netx/irqs.h @@ -0,0 +1,70 @@ +/* + * include/asm-arm/arch-netx/irqs.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define NETX_IRQ_VIC_START 0 +#define NETX_IRQ_SOFTINT 0 +#define NETX_IRQ_TIMER0 1 +#define NETX_IRQ_TIMER1 2 +#define NETX_IRQ_TIMER2 3 +#define NETX_IRQ_SYSTIME_NS 4 +#define NETX_IRQ_SYSTIME_S 5 +#define NETX_IRQ_GPIO_15 6 +#define NETX_IRQ_WATCHDOG 7 +#define NETX_IRQ_UART0 8 +#define NETX_IRQ_UART1 9 +#define NETX_IRQ_UART2 10 +#define NETX_IRQ_USB 11 +#define NETX_IRQ_SPI 12 +#define NETX_IRQ_I2C 13 +#define NETX_IRQ_LCD 14 +#define NETX_IRQ_HIF 15 +#define NETX_IRQ_GPIO_0_14 16 +#define NETX_IRQ_XPEC0 17 +#define NETX_IRQ_XPEC1 18 +#define NETX_IRQ_XPEC2 19 +#define NETX_IRQ_XPEC3 20 +#define NETX_IRQ_XPEC(no) (17 + (no)) +#define NETX_IRQ_MSYNC0 21 +#define NETX_IRQ_MSYNC1 22 +#define NETX_IRQ_MSYNC2 23 +#define NETX_IRQ_MSYNC3 24 +#define NETX_IRQ_IRQ_PHY 25 +#define NETX_IRQ_ISO_AREA 26 +/* int 27 is reserved */ +/* int 28 is reserved */ +#define NETX_IRQ_TIMER3 29 +#define NETX_IRQ_TIMER4 30 +/* int 31 is reserved */ + +#define NETX_IRQS 32 + +/* for multiplexed irqs on gpio 0..14 */ +#define NETX_IRQ_GPIO(x) (NETX_IRQS + (x)) +#define NETX_IRQ_GPIO_LAST NETX_IRQ_GPIO(14) + +/* Host interface interrupts */ +#define NETX_IRQ_HIF_CHAINED(x) (NETX_IRQ_GPIO_LAST + 1 + (x)) +#define NETX_IRQ_HIF_PIO35 NETX_IRQ_HIF_CHAINED(0) +#define NETX_IRQ_HIF_PIO36 NETX_IRQ_HIF_CHAINED(1) +#define NETX_IRQ_HIF_PIO40 NETX_IRQ_HIF_CHAINED(2) +#define NETX_IRQ_HIF_PIO47 NETX_IRQ_HIF_CHAINED(3) +#define NETX_IRQ_HIF_PIO72 NETX_IRQ_HIF_CHAINED(4) +#define NETX_IRQ_HIF_LAST NETX_IRQ_HIF_CHAINED(4) + +#define NR_IRQS (NETX_IRQ_HIF_LAST + 1) diff --git a/include/asm-arm/arch-netx/memory.h b/include/asm-arm/arch-netx/memory.h new file mode 100644 index 00000000000..6d8d2df3e99 --- /dev/null +++ b/include/asm-arm/arch-netx/memory.h @@ -0,0 +1,36 @@ +/* + * linux/include/asm-arm/arch-netx/memory.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_ARCH_MEMORY_H +#define __ASM_ARCH_MEMORY_H + +#define PHYS_OFFSET UL(0x80000000) + +/* + * Virtual view <-> DMA view memory address translations + * virt_to_bus: Used to translate the virtual address to an + * address suitable to be passed to set_dma_addr + * bus_to_virt: Used to convert an address for DMA operations + * to an address that the kernel can use. + */ +#define __virt_to_bus(x) __virt_to_phys(x) +#define __bus_to_virt(x) __phys_to_virt(x) + +#endif + diff --git a/include/asm-arm/arch-netx/param.h b/include/asm-arm/arch-netx/param.h new file mode 100644 index 00000000000..7a80c26178a --- /dev/null +++ b/include/asm-arm/arch-netx/param.h @@ -0,0 +1,18 @@ +/* + * linux/include/asm-arm/arch-netx/param.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ diff --git a/include/asm-arm/arch-netx/system.h b/include/asm-arm/arch-netx/system.h new file mode 100644 index 00000000000..52adf368d76 --- /dev/null +++ b/include/asm-arm/arch-netx/system.h @@ -0,0 +1,38 @@ +/* + * include/asm-arm/arch-netx/system.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef __ASM_ARCH_SYSTEM_H +#define __ASM_ARCH_SYSTEM_H + +#include +#include +#include "netx-regs.h" + +static inline void arch_idle(void) +{ + cpu_do_idle(); +} + +static inline void arch_reset(char mode) +{ + writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES, + NETX_SYSTEM_RES_CR); +} + +#endif + diff --git a/include/asm-arm/arch-netx/timex.h b/include/asm-arm/arch-netx/timex.h new file mode 100644 index 00000000000..7fdb42da0b4 --- /dev/null +++ b/include/asm-arm/arch-netx/timex.h @@ -0,0 +1,20 @@ +/* + * include/asm-arm/arch-netx/timex.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define CLOCK_TICK_RATE 100000000 diff --git a/include/asm-arm/arch-netx/uncompress.h b/include/asm-arm/arch-netx/uncompress.h new file mode 100644 index 00000000000..f8943454710 --- /dev/null +++ b/include/asm-arm/arch-netx/uncompress.h @@ -0,0 +1,76 @@ +/* + * include/asm-arm/arch-netx/uncompress.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * The following code assumes the serial port has already been + * initialized by the bootloader. We search for the first enabled + * port in the most probable order. If you didn't setup a port in + * your bootloader then nothing will appear (which might be desired). + * + * This does not append a newline + */ + +#define REG(x) (*(volatile unsigned long *)(x)) + +#define UART1_BASE 0x100a00 +#define UART2_BASE 0x100a80 + +#define UART_DR 0x0 + +#define UART_CR 0x14 +#define CR_UART_EN (1<<0) + +#define UART_FR 0x18 +#define FR_BUSY (1<<3) +#define FR_TXFF (1<<5) + +static void putc(char c) +{ + unsigned long base; + + if (REG(UART1_BASE + UART_CR) & CR_UART_EN) + base = UART1_BASE; + else if (REG(UART2_BASE + UART_CR) & CR_UART_EN) + base = UART2_BASE; + else + return; + + while (REG(base + UART_FR) & FR_TXFF); + REG(base + UART_DR) = c; +} + +static inline void flush(void) +{ + unsigned long base; + + if (REG(UART1_BASE + UART_CR) & CR_UART_EN) + base = UART1_BASE; + else if (REG(UART2_BASE + UART_CR) & CR_UART_EN) + base = UART2_BASE; + else + return; + + while (REG(base + UART_FR) & FR_BUSY); +} + +/* + * nothing to do + */ +#define arch_decomp_setup() +#define arch_decomp_wdog() diff --git a/include/asm-arm/arch-netx/vmalloc.h b/include/asm-arm/arch-netx/vmalloc.h new file mode 100644 index 00000000000..da2da5a595d --- /dev/null +++ b/include/asm-arm/arch-netx/vmalloc.h @@ -0,0 +1,19 @@ +/* + * linux/include/asm-arm/arch-netx/vmalloc.h + * + * Copyright (C) 2005 Sascha Hauer , Pengutronix + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#define VMALLOC_END (PAGE_OFFSET + 0x10000000) -- cgit v1.2.3