aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/kernel/sys_arm.c17
-rw-r--r--arch/arm/mach-orion5x/addr-map.c66
-rw-r--r--arch/arm/mach-orion5x/common.c11
-rw-r--r--arch/arm/mach-orion5x/common.h1
4 files changed, 13 insertions, 82 deletions
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index 9bd1870d980e..0128687ba0f7 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -34,23 +34,6 @@ extern unsigned long do_mremap(unsigned long addr, unsigned long old_len,
34 unsigned long new_len, unsigned long flags, 34 unsigned long new_len, unsigned long flags,
35 unsigned long new_addr); 35 unsigned long new_addr);
36 36
37/*
38 * sys_pipe() is the normal C calling standard for creating
39 * a pipe. It's not the way unix traditionally does this, though.
40 */
41asmlinkage int sys_pipe(unsigned long __user *fildes)
42{
43 int fd[2];
44 int error;
45
46 error = do_pipe(fd);
47 if (!error) {
48 if (copy_to_user(fildes, fd, 2*sizeof(int)))
49 error = -EFAULT;
50 }
51 return error;
52}
53
54/* common code for old and new mmaps */ 37/* common code for old and new mmaps */
55inline long do_mmap2( 38inline long do_mmap2(
56 unsigned long addr, unsigned long len, 39 unsigned long addr, unsigned long len,
diff --git a/arch/arm/mach-orion5x/addr-map.c b/arch/arm/mach-orion5x/addr-map.c
index 9608503d67f5..e63fb05dc893 100644
--- a/arch/arm/mach-orion5x/addr-map.c
+++ b/arch/arm/mach-orion5x/addr-map.c
@@ -34,11 +34,7 @@
34 * Non-CPU Masters address decoding -- 34 * Non-CPU Masters address decoding --
35 * Unlike the CPU, we setup the access from Orion's master interfaces to DDR 35 * Unlike the CPU, we setup the access from Orion's master interfaces to DDR
36 * banks only (the typical use case). 36 * banks only (the typical use case).
37 * Setup access for each master to DDR is issued by common.c. 37 * Setup access for each master to DDR is issued by platform device setup.
38 *
39 * Note: although orion_setbits() and orion_clrbits() are not atomic
40 * no locking is necessary here since code in this file is only called
41 * at boot time when there is no concurrency issues.
42 */ 38 */
43 39
44/* 40/*
@@ -48,10 +44,6 @@
48#define TARGET_DEV_BUS 1 44#define TARGET_DEV_BUS 1
49#define TARGET_PCI 3 45#define TARGET_PCI 3
50#define TARGET_PCIE 4 46#define TARGET_PCIE 4
51#define ATTR_DDR_CS(n) (((n) ==0) ? 0xe : \
52 ((n) == 1) ? 0xd : \
53 ((n) == 2) ? 0xb : \
54 ((n) == 3) ? 0x7 : 0xf)
55#define ATTR_PCIE_MEM 0x59 47#define ATTR_PCIE_MEM 0x59
56#define ATTR_PCIE_IO 0x51 48#define ATTR_PCIE_IO 0x51
57#define ATTR_PCIE_WA 0x79 49#define ATTR_PCIE_WA 0x79
@@ -61,17 +53,12 @@
61#define ATTR_DEV_CS1 0x1d 53#define ATTR_DEV_CS1 0x1d
62#define ATTR_DEV_CS2 0x1b 54#define ATTR_DEV_CS2 0x1b
63#define ATTR_DEV_BOOT 0xf 55#define ATTR_DEV_BOOT 0xf
64#define WIN_EN 1
65 56
66/* 57/*
67 * Helpers to get DDR bank info 58 * Helpers to get DDR bank info
68 */ 59 */
69#define DDR_BASE_CS(n) ORION5X_DDR_REG(0x1500 + ((n) * 8)) 60#define DDR_BASE_CS(n) ORION5X_DDR_REG(0x1500 + ((n) << 3))
70#define DDR_SIZE_CS(n) ORION5X_DDR_REG(0x1504 + ((n) * 8)) 61#define DDR_SIZE_CS(n) ORION5X_DDR_REG(0x1504 + ((n) << 3))
71#define DDR_MAX_CS 4
72#define DDR_REG_TO_SIZE(reg) (((reg) | 0xffffff) + 1)
73#define DDR_REG_TO_BASE(reg) ((reg) & 0xff000000)
74#define DDR_BANK_EN 1
75 62
76/* 63/*
77 * CPU Address Decode Windows registers 64 * CPU Address Decode Windows registers
@@ -81,17 +68,6 @@
81#define CPU_WIN_REMAP_LO(n) ORION5X_BRIDGE_REG(0x008 | ((n) << 4)) 68#define CPU_WIN_REMAP_LO(n) ORION5X_BRIDGE_REG(0x008 | ((n) << 4))
82#define CPU_WIN_REMAP_HI(n) ORION5X_BRIDGE_REG(0x00c | ((n) << 4)) 69#define CPU_WIN_REMAP_HI(n) ORION5X_BRIDGE_REG(0x00c | ((n) << 4))
83 70
84/*
85 * Gigabit Ethernet Address Decode Windows registers
86 */
87#define ETH_WIN_BASE(win) ORION5X_ETH_REG(0x200 + ((win) * 8))
88#define ETH_WIN_SIZE(win) ORION5X_ETH_REG(0x204 + ((win) * 8))
89#define ETH_WIN_REMAP(win) ORION5X_ETH_REG(0x280 + ((win) * 4))
90#define ETH_WIN_EN ORION5X_ETH_REG(0x290)
91#define ETH_WIN_PROT ORION5X_ETH_REG(0x294)
92#define ETH_MAX_WIN 6
93#define ETH_MAX_REMAP_WIN 4
94
95 71
96struct mbus_dram_target_info orion5x_mbus_dram_info; 72struct mbus_dram_target_info orion5x_mbus_dram_info;
97 73
@@ -202,39 +178,3 @@ void __init orion5x_setup_pcie_wa_win(u32 base, u32 size)
202{ 178{
203 setup_cpu_win(7, base, size, TARGET_PCIE, ATTR_PCIE_WA, -1); 179 setup_cpu_win(7, base, size, TARGET_PCIE, ATTR_PCIE_WA, -1);
204} 180}
205
206void __init orion5x_setup_eth_wins(void)
207{
208 int i;
209
210 /*
211 * First, disable and clear windows
212 */
213 for (i = 0; i < ETH_MAX_WIN; i++) {
214 orion5x_write(ETH_WIN_BASE(i), 0);
215 orion5x_write(ETH_WIN_SIZE(i), 0);
216 orion5x_setbits(ETH_WIN_EN, 1 << i);
217 orion5x_clrbits(ETH_WIN_PROT, 0x3 << (i * 2));
218 if (i < ETH_MAX_REMAP_WIN)
219 orion5x_write(ETH_WIN_REMAP(i), 0);
220 }
221
222 /*
223 * Setup windows for DDR banks.
224 */
225 for (i = 0; i < DDR_MAX_CS; i++) {
226 u32 base, size;
227 size = orion5x_read(DDR_SIZE_CS(i));
228 base = orion5x_read(DDR_BASE_CS(i));
229 if (size & DDR_BANK_EN) {
230 base = DDR_REG_TO_BASE(base);
231 size = DDR_REG_TO_SIZE(size);
232 orion5x_write(ETH_WIN_SIZE(i), (size-1) & 0xffff0000);
233 orion5x_write(ETH_WIN_BASE(i), (base & 0xffff0000) |
234 (ATTR_DDR_CS(i) << 8) |
235 TARGET_DDR);
236 orion5x_clrbits(ETH_WIN_EN, 1 << i);
237 orion5x_setbits(ETH_WIN_PROT, 0x3 << (i * 2));
238 }
239 }
240}
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index 968deb58be01..4f13fd037f04 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -190,6 +190,11 @@ static struct platform_device orion5x_ehci1 = {
190 * (The Orion and Discovery (MV643xx) families use the same Ethernet driver) 190 * (The Orion and Discovery (MV643xx) families use the same Ethernet driver)
191 ****************************************************************************/ 191 ****************************************************************************/
192 192
193struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
194 .dram = &orion5x_mbus_dram_info,
195 .t_clk = ORION5X_TCLK,
196};
197
193static struct resource orion5x_eth_shared_resources[] = { 198static struct resource orion5x_eth_shared_resources[] = {
194 { 199 {
195 .start = ORION5X_ETH_PHYS_BASE + 0x2000, 200 .start = ORION5X_ETH_PHYS_BASE + 0x2000,
@@ -201,6 +206,9 @@ static struct resource orion5x_eth_shared_resources[] = {
201static struct platform_device orion5x_eth_shared = { 206static struct platform_device orion5x_eth_shared = {
202 .name = MV643XX_ETH_SHARED_NAME, 207 .name = MV643XX_ETH_SHARED_NAME,
203 .id = 0, 208 .id = 0,
209 .dev = {
210 .platform_data = &orion5x_eth_shared_data,
211 },
204 .num_resources = 1, 212 .num_resources = 1,
205 .resource = orion5x_eth_shared_resources, 213 .resource = orion5x_eth_shared_resources,
206}; 214};
@@ -223,7 +231,9 @@ static struct platform_device orion5x_eth = {
223 231
224void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) 232void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
225{ 233{
234 eth_data->shared = &orion5x_eth_shared;
226 orion5x_eth.dev.platform_data = eth_data; 235 orion5x_eth.dev.platform_data = eth_data;
236
227 platform_device_register(&orion5x_eth_shared); 237 platform_device_register(&orion5x_eth_shared);
228 platform_device_register(&orion5x_eth); 238 platform_device_register(&orion5x_eth);
229} 239}
@@ -360,7 +370,6 @@ void __init orion5x_init(void)
360 * Setup Orion address map 370 * Setup Orion address map
361 */ 371 */
362 orion5x_setup_cpu_mbus_bridge(); 372 orion5x_setup_cpu_mbus_bridge();
363 orion5x_setup_eth_wins();
364 373
365 /* 374 /*
366 * Register devices. 375 * Register devices.
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index 14adf8d1a54a..bd0f05de6e18 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -22,7 +22,6 @@ void orion5x_setup_dev0_win(u32 base, u32 size);
22void orion5x_setup_dev1_win(u32 base, u32 size); 22void orion5x_setup_dev1_win(u32 base, u32 size);
23void orion5x_setup_dev2_win(u32 base, u32 size); 23void orion5x_setup_dev2_win(u32 base, u32 size);
24void orion5x_setup_pcie_wa_win(u32 base, u32 size); 24void orion5x_setup_pcie_wa_win(u32 base, u32 size);
25void orion5x_setup_eth_wins(void);
26 25
27/* 26/*
28 * Shared code used internally by other Orion core functions. 27 * Shared code used internally by other Orion core functions.