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authorLennert Buytenhek <buytenh@wantstofly.org>2008-02-07 15:55:17 -0500
committerNicolas Pitre <nico@cam.org>2008-02-08 11:52:23 -0500
commit7f74c2c7f760fdd44116e3dd90a5aeeb9d9333c7 (patch)
tree46d579610a4baa5f9bd7ae7b7a0ed3f60b6628e1 /include
parent27cd3ad2313e5aca5304a6f32060a90367edbf51 (diff)
[ARM] Orion: distinguish between physical and virtual addresses
Hack up the Orion port to distinguish between virtual and physical addresses of register windows. This will allow moving virtual mappings higher up in the address space, to free up more kernel virtual address space. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/arch-orion/debug-macro.S9
-rw-r--r--include/asm-arm/arch-orion/entry-macro.S4
-rw-r--r--include/asm-arm/arch-orion/hardware.h13
-rw-r--r--include/asm-arm/arch-orion/orion.h102
-rw-r--r--include/asm-arm/arch-orion/uncompress.h4
5 files changed, 78 insertions, 54 deletions
diff --git a/include/asm-arm/arch-orion/debug-macro.S b/include/asm-arm/arch-orion/debug-macro.S
index e2a80641f214..2746220f5d85 100644
--- a/include/asm-arm/arch-orion/debug-macro.S
+++ b/include/asm-arm/arch-orion/debug-macro.S
@@ -8,9 +8,14 @@
8 * published by the Free Software Foundation. 8 * published by the Free Software Foundation.
9*/ 9*/
10 10
11#include <asm/arch/orion.h>
12
11 .macro addruart,rx 13 .macro addruart,rx
12 mov \rx, #0xf1000000 14 mrc p15, 0, \rx, c1, c0
13 orr \rx, \rx, #0x00012000 15 tst \rx, #1 @ MMU enabled?
16 ldreq \rx, =ORION_REGS_PHYS_BASE
17 ldrne \rx, =ORION_REGS_VIRT_BASE
18 orr \rx, \rx, #0x00012000
14 .endm 19 .endm
15 20
16#define UART_SHIFT 2 21#define UART_SHIFT 2
diff --git a/include/asm-arm/arch-orion/entry-macro.S b/include/asm-arm/arch-orion/entry-macro.S
index b76075a7e44b..cda096b2acfd 100644
--- a/include/asm-arm/arch-orion/entry-macro.S
+++ b/include/asm-arm/arch-orion/entry-macro.S
@@ -3,8 +3,8 @@
3 * 3 *
4 * Low-level IRQ helper macros for Orion platforms 4 * Low-level IRQ helper macros for Orion platforms
5 * 5 *
6 * This file is licensed under the terms of the GNU General Public 6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any 7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied. 8 * warranty of any kind, whether express or implied.
9 */ 9 */
10 10
diff --git a/include/asm-arm/arch-orion/hardware.h b/include/asm-arm/arch-orion/hardware.h
index 8a12d213fbdc..65da374de735 100644
--- a/include/asm-arm/arch-orion/hardware.h
+++ b/include/asm-arm/arch-orion/hardware.h
@@ -4,7 +4,6 @@
4 * This program is free software; you can redistribute it and/or modify 4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as 5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation. 6 * published by the Free Software Foundation.
7 *
8 */ 7 */
9 8
10#ifndef __ASM_ARCH_HARDWARE_H__ 9#ifndef __ASM_ARCH_HARDWARE_H__
@@ -12,13 +11,11 @@
12 11
13#include "orion.h" 12#include "orion.h"
14 13
15#define PCI_MEMORY_VADDR ORION_PCI_SYS_MEM_BASE 14#define pcibios_assign_all_busses() 1
16#define PCI_IO_VADDR ORION_PCI_SYS_IO_BASE
17 15
18#define pcibios_assign_all_busses() 1 16#define PCIBIOS_MIN_IO 0x00001000
17#define PCIBIOS_MIN_MEM 0x01000000
18#define PCIMEM_BASE ORION_PCIE_MEM_PHYS_BASE
19 19
20#define PCIBIOS_MIN_IO 0x1000
21#define PCIBIOS_MIN_MEM 0x01000000
22#define PCIMEM_BASE PCI_MEMORY_VADDR /* mem base for VGA */
23 20
24#endif /* _ASM_ARCH_HARDWARE_H */ 21#endif
diff --git a/include/asm-arm/arch-orion/orion.h b/include/asm-arm/arch-orion/orion.h
index f787f752e58c..4a8025466a33 100644
--- a/include/asm-arm/arch-orion/orion.h
+++ b/include/asm-arm/arch-orion/orion.h
@@ -14,32 +14,40 @@
14#ifndef __ASM_ARCH_ORION_H__ 14#ifndef __ASM_ARCH_ORION_H__
15#define __ASM_ARCH_ORION_H__ 15#define __ASM_ARCH_ORION_H__
16 16
17/******************************************************************************* 17/*****************************************************************************
18 * Orion Address Map 18 * Orion Address Map
19 * Use the same mapping (1:1 virtual:physical) of internal registers and 19 *
20 * PCI system (PCI+PCIE) for all machines. 20 * virt phys size
21 * Each machine defines the rest of its mapping (e.g. device bus flashes) 21 * f0000000 f0000000 16M PCIe WA space (Orion-NAS only)
22 ******************************************************************************/ 22 * f1000000 f1000000 1M on-chip peripheral registers
23#define ORION_REGS_BASE 0xf1000000 23 * f2000000 f2000000 1M PCIe I/O space
24 * f2100000 f2100000 1M PCI I/O space
25 ****************************************************************************/
26#define ORION_REGS_PHYS_BASE 0xf1000000
27#define ORION_REGS_VIRT_BASE 0xf1000000
24#define ORION_REGS_SIZE SZ_1M 28#define ORION_REGS_SIZE SZ_1M
25 29
26#define ORION_PCI_SYS_MEM_BASE 0xe0000000 30#define ORION_PCIE_IO_PHYS_BASE 0xf2000000
27#define ORION_PCIE_MEM_BASE ORION_PCI_SYS_MEM_BASE 31#define ORION_PCIE_IO_VIRT_BASE 0xf2000000
28#define ORION_PCIE_MEM_SIZE SZ_128M 32#define ORION_PCIE_IO_BUS_BASE 0x00000000
29#define ORION_PCI_MEM_BASE (ORION_PCIE_MEM_BASE + ORION_PCIE_MEM_SIZE)
30#define ORION_PCI_MEM_SIZE SZ_128M
31
32#define ORION_PCI_SYS_IO_BASE 0xf2000000
33#define ORION_PCIE_IO_BASE ORION_PCI_SYS_IO_BASE
34#define ORION_PCIE_IO_SIZE SZ_1M 33#define ORION_PCIE_IO_SIZE SZ_1M
35#define ORION_PCIE_IO_REMAP (ORION_PCIE_IO_BASE - ORION_PCI_SYS_IO_BASE) 34
36#define ORION_PCI_IO_BASE (ORION_PCIE_IO_BASE + ORION_PCIE_IO_SIZE) 35#define ORION_PCI_IO_PHYS_BASE 0xf2100000
36#define ORION_PCI_IO_VIRT_BASE 0xf2100000
37#define ORION_PCI_IO_BUS_BASE 0x00100000
37#define ORION_PCI_IO_SIZE SZ_1M 38#define ORION_PCI_IO_SIZE SZ_1M
38#define ORION_PCI_IO_REMAP (ORION_PCI_IO_BASE - ORION_PCI_SYS_IO_BASE) 39
39/* Relevant only for Orion-NAS */ 40/* Relevant only for Orion-NAS */
40#define ORION_PCIE_WA_BASE 0xf0000000 41#define ORION_PCIE_WA_PHYS_BASE 0xf0000000
42#define ORION_PCIE_WA_VIRT_BASE 0xf0000000
41#define ORION_PCIE_WA_SIZE SZ_16M 43#define ORION_PCIE_WA_SIZE SZ_16M
42 44
45#define ORION_PCIE_MEM_PHYS_BASE 0xe0000000
46#define ORION_PCIE_MEM_SIZE SZ_128M
47
48#define ORION_PCI_MEM_PHYS_BASE 0xe8000000
49#define ORION_PCI_MEM_SIZE SZ_128M
50
43/******************************************************************************* 51/*******************************************************************************
44 * Supported Devices & Revisions 52 * Supported Devices & Revisions
45 ******************************************************************************/ 53 ******************************************************************************/
@@ -57,25 +65,42 @@
57/******************************************************************************* 65/*******************************************************************************
58 * Orion Registers Map 66 * Orion Registers Map
59 ******************************************************************************/ 67 ******************************************************************************/
60#define ORION_DDR_REG_BASE (ORION_REGS_BASE | 0x00000) 68#define ORION_DDR_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x00000)
61#define ORION_DEV_BUS_REG_BASE (ORION_REGS_BASE | 0x10000) 69#define ORION_DDR_REG(x) (ORION_DDR_VIRT_BASE | (x))
62#define ORION_BRIDGE_REG_BASE (ORION_REGS_BASE | 0x20000) 70
63#define ORION_PCI_REG_BASE (ORION_REGS_BASE | 0x30000) 71#define ORION_DEV_BUS_PHYS_BASE (ORION_REGS_PHYS_BASE | 0x10000)
64#define ORION_PCIE_REG_BASE (ORION_REGS_BASE | 0x40000) 72#define ORION_DEV_BUS_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x10000)
65#define ORION_USB0_REG_BASE (ORION_REGS_BASE | 0x50000) 73#define ORION_DEV_BUS_REG(x) (ORION_DEV_BUS_VIRT_BASE | (x))
66#define ORION_ETH_REG_BASE (ORION_REGS_BASE | 0x70000) 74#define I2C_PHYS_BASE (ORION_DEV_BUS_PHYS_BASE | 0x1000)
67#define ORION_SATA_REG_BASE (ORION_REGS_BASE | 0x80000) 75#define UART0_PHYS_BASE (ORION_DEV_BUS_PHYS_BASE | 0x2000)
68#define ORION_USB1_REG_BASE (ORION_REGS_BASE | 0xa0000) 76#define UART0_VIRT_BASE (ORION_DEV_BUS_VIRT_BASE | 0x2000)
69 77#define UART1_PHYS_BASE (ORION_DEV_BUS_PHYS_BASE | 0x2100)
70#define ORION_DDR_REG(x) (ORION_DDR_REG_BASE | (x)) 78#define UART1_VIRT_BASE (ORION_DEV_BUS_VIRT_BASE | 0x2100)
71#define ORION_DEV_BUS_REG(x) (ORION_DEV_BUS_REG_BASE | (x)) 79
72#define ORION_BRIDGE_REG(x) (ORION_BRIDGE_REG_BASE | (x)) 80#define ORION_BRIDGE_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x20000)
73#define ORION_PCI_REG(x) (ORION_PCI_REG_BASE | (x)) 81#define ORION_BRIDGE_REG(x) (ORION_BRIDGE_VIRT_BASE | (x))
74#define ORION_PCIE_REG(x) (ORION_PCIE_REG_BASE | (x)) 82
75#define ORION_USB0_REG(x) (ORION_USB0_REG_BASE | (x)) 83#define ORION_PCI_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x30000)
76#define ORION_USB1_REG(x) (ORION_USB1_REG_BASE | (x)) 84#define ORION_PCI_REG(x) (ORION_PCI_VIRT_BASE | (x))
77#define ORION_ETH_REG(x) (ORION_ETH_REG_BASE | (x)) 85
78#define ORION_SATA_REG(x) (ORION_SATA_REG_BASE | (x)) 86#define ORION_PCIE_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x40000)
87#define ORION_PCIE_REG(x) (ORION_PCIE_VIRT_BASE | (x))
88
89#define ORION_USB0_PHYS_BASE (ORION_REGS_PHYS_BASE | 0x50000)
90#define ORION_USB0_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x50000)
91#define ORION_USB0_REG(x) (ORION_USB0_VIRT_BASE | (x))
92
93#define ORION_ETH_PHYS_BASE (ORION_REGS_PHYS_BASE | 0x70000)
94#define ORION_ETH_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x70000)
95#define ORION_ETH_REG(x) (ORION_ETH_VIRT_BASE | (x))
96
97#define ORION_SATA_PHYS_BASE (ORION_REGS_PHYS_BASE | 0x80000)
98#define ORION_SATA_VIRT_BASE (ORION_REGS_VIRT_BASE | 0x80000)
99#define ORION_SATA_REG(x) (ORION_SATA_VIRT_BASE | (x))
100
101#define ORION_USB1_PHYS_BASE (ORION_REGS_PHYS_BASE | 0xa0000)
102#define ORION_USB1_VIRT_BASE (ORION_REGS_VIRT_BASE | 0xa0000)
103#define ORION_USB1_REG(x) (ORION_USB1_VIRT_BASE | (x))
79 104
80/******************************************************************************* 105/*******************************************************************************
81 * Device Bus Registers 106 * Device Bus Registers
@@ -100,9 +125,6 @@
100#define DEV_BUS_CTRL ORION_DEV_BUS_REG(0x4c0) 125#define DEV_BUS_CTRL ORION_DEV_BUS_REG(0x4c0)
101#define DEV_BUS_INT_CAUSE ORION_DEV_BUS_REG(0x4d0) 126#define DEV_BUS_INT_CAUSE ORION_DEV_BUS_REG(0x4d0)
102#define DEV_BUS_INT_MASK ORION_DEV_BUS_REG(0x4d4) 127#define DEV_BUS_INT_MASK ORION_DEV_BUS_REG(0x4d4)
103#define I2C_BASE ORION_DEV_BUS_REG(0x1000)
104#define UART0_BASE ORION_DEV_BUS_REG(0x2000)
105#define UART1_BASE ORION_DEV_BUS_REG(0x2100)
106#define GPIO_MAX 32 128#define GPIO_MAX 32
107 129
108/*************************************************************************** 130/***************************************************************************
diff --git a/include/asm-arm/arch-orion/uncompress.h b/include/asm-arm/arch-orion/uncompress.h
index 0cab78ad6332..59f44039909a 100644
--- a/include/asm-arm/arch-orion/uncompress.h
+++ b/include/asm-arm/arch-orion/uncompress.h
@@ -10,8 +10,8 @@
10 10
11#include <asm/arch/orion.h> 11#include <asm/arch/orion.h>
12 12
13#define MV_UART_LSR ((volatile unsigned char *)(UART0_BASE + 0x14)) 13#define MV_UART_THR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x0))
14#define MV_UART_THR ((volatile unsigned char *)(UART0_BASE + 0x0)) 14#define MV_UART_LSR ((volatile unsigned char *)(UART0_PHYS_BASE + 0x14))
15 15
16#define LSR_THRE 0x20 16#define LSR_THRE 0x20
17 17