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authorSascha Hauer <sascha@saschahauer.de>2006-06-19 10:27:53 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-06-19 10:27:53 -0400
commitbb6d8c8828123e01e2ae6c9d9c4870477889fd94 (patch)
tree43d7a6ec2cc15f1bf8810a65aa38d508c7fa955a /include/asm-arm/arch-netx
parent3095faf5295f2da9118469c925d2cfb7775ad287 (diff)
[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 <r.schwebel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include/asm-arm/arch-netx')
-rw-r--r--include/asm-arm/arch-netx/debug-macro.S38
-rw-r--r--include/asm-arm/arch-netx/dma.h21
-rw-r--r--include/asm-arm/arch-netx/entry-macro.S35
-rw-r--r--include/asm-arm/arch-netx/hardware.h39
-rw-r--r--include/asm-arm/arch-netx/io.h29
-rw-r--r--include/asm-arm/arch-netx/irqs.h70
-rw-r--r--include/asm-arm/arch-netx/memory.h36
-rw-r--r--include/asm-arm/arch-netx/param.h18
-rw-r--r--include/asm-arm/arch-netx/system.h38
-rw-r--r--include/asm-arm/arch-netx/timex.h20
-rw-r--r--include/asm-arm/arch-netx/uncompress.h76
-rw-r--r--include/asm-arm/arch-netx/vmalloc.h19
12 files changed, 439 insertions, 0 deletions
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 000000000000..a940d0e80cb2
--- /dev/null
+++ b/include/asm-arm/arch-netx/debug-macro.S
@@ -0,0 +1,38 @@
1/* linux/include/asm-arm/arch-netx/debug-macro.S
2 *
3 * Debugging macro include header
4 *
5 * Copyright (C) 1994-1999 Russell King
6 * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12*/
13
14#include "hardware.h"
15
16 .macro addruart,rx
17 mrc p15, 0, \rx, c1, c0
18 tst \rx, #1 @ MMU enabled?
19 moveq \rx, #0x00100000 @ physical
20 movne \rx, #io_p2v(0x00100000) @ virtual
21 orr \rx, \rx, #0x00000a00
22 .endm
23
24 .macro senduart,rd,rx
25 str \rd, [\rx, #0]
26 .endm
27
28 .macro busyuart,rd,rx
291002: ldr \rd, [\rx, #0x18]
30 tst \rd, #(1 << 3)
31 bne 1002b
32 .endm
33
34 .macro waituart,rd,rx
351001: ldr \rd, [\rx, #0x18]
36 tst \rd, #(1 << 3)
37 bne 1001b
38 .endm
diff --git a/include/asm-arm/arch-netx/dma.h b/include/asm-arm/arch-netx/dma.h
new file mode 100644
index 000000000000..4eda5feed81c
--- /dev/null
+++ b/include/asm-arm/arch-netx/dma.h
@@ -0,0 +1,21 @@
1/*
2 * linux/include/asm-arm/arch-netx/dma.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#define MAX_DMA_CHANNELS 0
21#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 000000000000..658df4d60ff3
--- /dev/null
+++ b/include/asm-arm/arch-netx/entry-macro.S
@@ -0,0 +1,35 @@
1/*
2 * include/asm-arm/arch-netx/entry-macro.S
3 *
4 * Low-level IRQ helper macros for Hilscher netX based platforms
5 *
6 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2
10 * as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#include <asm/hardware.h>
22
23 .macro disable_fiq
24 .endm
25
26 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
27 mov \base, #io_p2v(0x00100000)
28 add \base, \base, #0x000ff000
29
30 ldr \irqstat, [\base, #0]
31 clz \irqnr, \irqstat
32 rsb \irqnr, \irqnr, #31
33 cmp \irqstat, #0
34 .endm
35
diff --git a/include/asm-arm/arch-netx/hardware.h b/include/asm-arm/arch-netx/hardware.h
new file mode 100644
index 000000000000..7786c45455cd
--- /dev/null
+++ b/include/asm-arm/arch-netx/hardware.h
@@ -0,0 +1,39 @@
1/*
2 * include/asm-arm/arch-netx/hardware.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19#ifndef __ASM_ARCH_HARDWARE_H
20#define __ASM_ARCH_HARDWARE_H
21
22#define NETX_IO_PHYS 0x00100000
23#define NETX_IO_VIRT 0xe0000000
24#define NETX_IO_SIZE 0x00100000
25
26#define SRAM_INTERNAL_PHYS_0 0x00000
27#define SRAM_INTERNAL_PHYS_1 0x08000
28#define SRAM_INTERNAL_PHYS_2 0x10000
29#define SRAM_INTERNAL_PHYS_3 0x18000
30#define SRAM_INTERNAL_PHYS(no) ((no) * 0x8000)
31
32#define XPEC_MEM_SIZE 0x4000
33#define XMAC_MEM_SIZE 0x1000
34#define SRAM_MEM_SIZE 0x8000
35
36#define io_p2v(x) ((x) - NETX_IO_PHYS + NETX_IO_VIRT)
37#define io_v2p(x) ((x) - NETX_IO_VIRT + NETX_IO_PHYS)
38
39#endif
diff --git a/include/asm-arm/arch-netx/io.h b/include/asm-arm/arch-netx/io.h
new file mode 100644
index 000000000000..81b7bc47747e
--- /dev/null
+++ b/include/asm-arm/arch-netx/io.h
@@ -0,0 +1,29 @@
1/*
2 * linux/include/asm-arm/arch-netx/io.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#ifndef __ASM_ARM_ARCH_IO_H
21#define __ASM_ARM_ARCH_IO_H
22
23#define IO_SPACE_LIMIT 0xffffffff
24
25#define __io(a) ((void __iomem *)(a))
26#define __mem_pci(a) (a)
27#define __mem_isa(a) (a)
28
29#endif
diff --git a/include/asm-arm/arch-netx/irqs.h b/include/asm-arm/arch-netx/irqs.h
new file mode 100644
index 000000000000..a487dc6e2661
--- /dev/null
+++ b/include/asm-arm/arch-netx/irqs.h
@@ -0,0 +1,70 @@
1/*
2 * include/asm-arm/arch-netx/irqs.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#define NETX_IRQ_VIC_START 0
21#define NETX_IRQ_SOFTINT 0
22#define NETX_IRQ_TIMER0 1
23#define NETX_IRQ_TIMER1 2
24#define NETX_IRQ_TIMER2 3
25#define NETX_IRQ_SYSTIME_NS 4
26#define NETX_IRQ_SYSTIME_S 5
27#define NETX_IRQ_GPIO_15 6
28#define NETX_IRQ_WATCHDOG 7
29#define NETX_IRQ_UART0 8
30#define NETX_IRQ_UART1 9
31#define NETX_IRQ_UART2 10
32#define NETX_IRQ_USB 11
33#define NETX_IRQ_SPI 12
34#define NETX_IRQ_I2C 13
35#define NETX_IRQ_LCD 14
36#define NETX_IRQ_HIF 15
37#define NETX_IRQ_GPIO_0_14 16
38#define NETX_IRQ_XPEC0 17
39#define NETX_IRQ_XPEC1 18
40#define NETX_IRQ_XPEC2 19
41#define NETX_IRQ_XPEC3 20
42#define NETX_IRQ_XPEC(no) (17 + (no))
43#define NETX_IRQ_MSYNC0 21
44#define NETX_IRQ_MSYNC1 22
45#define NETX_IRQ_MSYNC2 23
46#define NETX_IRQ_MSYNC3 24
47#define NETX_IRQ_IRQ_PHY 25
48#define NETX_IRQ_ISO_AREA 26
49/* int 27 is reserved */
50/* int 28 is reserved */
51#define NETX_IRQ_TIMER3 29
52#define NETX_IRQ_TIMER4 30
53/* int 31 is reserved */
54
55#define NETX_IRQS 32
56
57/* for multiplexed irqs on gpio 0..14 */
58#define NETX_IRQ_GPIO(x) (NETX_IRQS + (x))
59#define NETX_IRQ_GPIO_LAST NETX_IRQ_GPIO(14)
60
61/* Host interface interrupts */
62#define NETX_IRQ_HIF_CHAINED(x) (NETX_IRQ_GPIO_LAST + 1 + (x))
63#define NETX_IRQ_HIF_PIO35 NETX_IRQ_HIF_CHAINED(0)
64#define NETX_IRQ_HIF_PIO36 NETX_IRQ_HIF_CHAINED(1)
65#define NETX_IRQ_HIF_PIO40 NETX_IRQ_HIF_CHAINED(2)
66#define NETX_IRQ_HIF_PIO47 NETX_IRQ_HIF_CHAINED(3)
67#define NETX_IRQ_HIF_PIO72 NETX_IRQ_HIF_CHAINED(4)
68#define NETX_IRQ_HIF_LAST NETX_IRQ_HIF_CHAINED(4)
69
70#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 000000000000..6d8d2df3e99d
--- /dev/null
+++ b/include/asm-arm/arch-netx/memory.h
@@ -0,0 +1,36 @@
1/*
2 * linux/include/asm-arm/arch-netx/memory.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#ifndef __ASM_ARCH_MEMORY_H
21#define __ASM_ARCH_MEMORY_H
22
23#define PHYS_OFFSET UL(0x80000000)
24
25/*
26 * Virtual view <-> DMA view memory address translations
27 * virt_to_bus: Used to translate the virtual address to an
28 * address suitable to be passed to set_dma_addr
29 * bus_to_virt: Used to convert an address for DMA operations
30 * to an address that the kernel can use.
31 */
32#define __virt_to_bus(x) __virt_to_phys(x)
33#define __bus_to_virt(x) __phys_to_virt(x)
34
35#endif
36
diff --git a/include/asm-arm/arch-netx/param.h b/include/asm-arm/arch-netx/param.h
new file mode 100644
index 000000000000..7a80c26178a8
--- /dev/null
+++ b/include/asm-arm/arch-netx/param.h
@@ -0,0 +1,18 @@
1/*
2 * linux/include/asm-arm/arch-netx/param.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
diff --git a/include/asm-arm/arch-netx/system.h b/include/asm-arm/arch-netx/system.h
new file mode 100644
index 000000000000..52adf368d765
--- /dev/null
+++ b/include/asm-arm/arch-netx/system.h
@@ -0,0 +1,38 @@
1/*
2 * include/asm-arm/arch-netx/system.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19#ifndef __ASM_ARCH_SYSTEM_H
20#define __ASM_ARCH_SYSTEM_H
21
22#include <asm/io.h>
23#include <asm/hardware.h>
24#include "netx-regs.h"
25
26static inline void arch_idle(void)
27{
28 cpu_do_idle();
29}
30
31static inline void arch_reset(char mode)
32{
33 writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES,
34 NETX_SYSTEM_RES_CR);
35}
36
37#endif
38
diff --git a/include/asm-arm/arch-netx/timex.h b/include/asm-arm/arch-netx/timex.h
new file mode 100644
index 000000000000..7fdb42da0b40
--- /dev/null
+++ b/include/asm-arm/arch-netx/timex.h
@@ -0,0 +1,20 @@
1/*
2 * include/asm-arm/arch-netx/timex.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20#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 000000000000..f89434547102
--- /dev/null
+++ b/include/asm-arm/arch-netx/uncompress.h
@@ -0,0 +1,76 @@
1/*
2 * include/asm-arm/arch-netx/uncompress.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20/*
21 * The following code assumes the serial port has already been
22 * initialized by the bootloader. We search for the first enabled
23 * port in the most probable order. If you didn't setup a port in
24 * your bootloader then nothing will appear (which might be desired).
25 *
26 * This does not append a newline
27 */
28
29#define REG(x) (*(volatile unsigned long *)(x))
30
31#define UART1_BASE 0x100a00
32#define UART2_BASE 0x100a80
33
34#define UART_DR 0x0
35
36#define UART_CR 0x14
37#define CR_UART_EN (1<<0)
38
39#define UART_FR 0x18
40#define FR_BUSY (1<<3)
41#define FR_TXFF (1<<5)
42
43static void putc(char c)
44{
45 unsigned long base;
46
47 if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
48 base = UART1_BASE;
49 else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
50 base = UART2_BASE;
51 else
52 return;
53
54 while (REG(base + UART_FR) & FR_TXFF);
55 REG(base + UART_DR) = c;
56}
57
58static inline void flush(void)
59{
60 unsigned long base;
61
62 if (REG(UART1_BASE + UART_CR) & CR_UART_EN)
63 base = UART1_BASE;
64 else if (REG(UART2_BASE + UART_CR) & CR_UART_EN)
65 base = UART2_BASE;
66 else
67 return;
68
69 while (REG(base + UART_FR) & FR_BUSY);
70}
71
72/*
73 * nothing to do
74 */
75#define arch_decomp_setup()
76#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 000000000000..da2da5a595da
--- /dev/null
+++ b/include/asm-arm/arch-netx/vmalloc.h
@@ -0,0 +1,19 @@
1/*
2 * linux/include/asm-arm/arch-netx/vmalloc.h
3 *
4 * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19#define VMALLOC_END (PAGE_OFFSET + 0x10000000)
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-20 11:43:07 -0500