2 * include/asm-ppc/mv64x60.h
4 * Prototypes, etc. for the Marvell/Galileo MV64x60 host bridge routines.
6 * Author: Mark A. Greer <mgreer@mvista.com>
8 * 2001-2002 (c) MontaVista, Software, Inc. This file is licensed under
9 * the terms of the GNU General Public License version 2. This program
10 * is licensed "as is" without any warranty of any kind, whether express
13 #ifndef __ASMPPC_MV64x60_H
14 #define __ASMPPC_MV64x60_H
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/pci.h>
19 #include <linux/slab.h>
20 #include <linux/config.h>
22 #include <asm/byteorder.h>
25 #include <asm/uaccess.h>
26 #include <asm/machdep.h>
27 #include <asm/pci-bridge.h>
28 #include <asm/mv64x60_defs.h>
30 extern u8 mv64x60_pci_exclude_bridge;
32 extern spinlock_t mv64x60_lock;
33 extern spinlock_t mv64x60_rmw_lock;
43 /* 32-bit Window table entry defines */
44 #define MV64x60_CPU2MEM_0_WIN 0
45 #define MV64x60_CPU2MEM_1_WIN 1
46 #define MV64x60_CPU2MEM_2_WIN 2
47 #define MV64x60_CPU2MEM_3_WIN 3
48 #define MV64x60_CPU2DEV_0_WIN 4
49 #define MV64x60_CPU2DEV_1_WIN 5
50 #define MV64x60_CPU2DEV_2_WIN 6
51 #define MV64x60_CPU2DEV_3_WIN 7
52 #define MV64x60_CPU2BOOT_WIN 8
53 #define MV64x60_CPU2PCI0_IO_WIN 9
54 #define MV64x60_CPU2PCI0_MEM_0_WIN 10
55 #define MV64x60_CPU2PCI0_MEM_1_WIN 11
56 #define MV64x60_CPU2PCI0_MEM_2_WIN 12
57 #define MV64x60_CPU2PCI0_MEM_3_WIN 13
58 #define MV64x60_CPU2PCI1_IO_WIN 14
59 #define MV64x60_CPU2PCI1_MEM_0_WIN 15
60 #define MV64x60_CPU2PCI1_MEM_1_WIN 16
61 #define MV64x60_CPU2PCI1_MEM_2_WIN 17
62 #define MV64x60_CPU2PCI1_MEM_3_WIN 18
63 #define MV64x60_CPU2SRAM_WIN 19
64 #define MV64x60_CPU2PCI0_IO_REMAP_WIN 20
65 #define MV64x60_CPU2PCI1_IO_REMAP_WIN 21
66 #define MV64x60_CPU_PROT_0_WIN 22
67 #define MV64x60_CPU_PROT_1_WIN 23
68 #define MV64x60_CPU_PROT_2_WIN 24
69 #define MV64x60_CPU_PROT_3_WIN 25
70 #define MV64x60_CPU_SNOOP_0_WIN 26
71 #define MV64x60_CPU_SNOOP_1_WIN 27
72 #define MV64x60_CPU_SNOOP_2_WIN 28
73 #define MV64x60_CPU_SNOOP_3_WIN 29
74 #define MV64x60_PCI02MEM_REMAP_0_WIN 30
75 #define MV64x60_PCI02MEM_REMAP_1_WIN 31
76 #define MV64x60_PCI02MEM_REMAP_2_WIN 32
77 #define MV64x60_PCI02MEM_REMAP_3_WIN 33
78 #define MV64x60_PCI12MEM_REMAP_0_WIN 34
79 #define MV64x60_PCI12MEM_REMAP_1_WIN 35
80 #define MV64x60_PCI12MEM_REMAP_2_WIN 36
81 #define MV64x60_PCI12MEM_REMAP_3_WIN 37
83 #define MV64x60_32BIT_WIN_COUNT 38
85 /* 64-bit Window table entry defines */
86 #define MV64x60_CPU2PCI0_MEM_0_REMAP_WIN 0
87 #define MV64x60_CPU2PCI0_MEM_1_REMAP_WIN 1
88 #define MV64x60_CPU2PCI0_MEM_2_REMAP_WIN 2
89 #define MV64x60_CPU2PCI0_MEM_3_REMAP_WIN 3
90 #define MV64x60_CPU2PCI1_MEM_0_REMAP_WIN 4
91 #define MV64x60_CPU2PCI1_MEM_1_REMAP_WIN 5
92 #define MV64x60_CPU2PCI1_MEM_2_REMAP_WIN 6
93 #define MV64x60_CPU2PCI1_MEM_3_REMAP_WIN 7
94 #define MV64x60_PCI02MEM_ACC_CNTL_0_WIN 8
95 #define MV64x60_PCI02MEM_ACC_CNTL_1_WIN 9
96 #define MV64x60_PCI02MEM_ACC_CNTL_2_WIN 10
97 #define MV64x60_PCI02MEM_ACC_CNTL_3_WIN 11
98 #define MV64x60_PCI12MEM_ACC_CNTL_0_WIN 12
99 #define MV64x60_PCI12MEM_ACC_CNTL_1_WIN 13
100 #define MV64x60_PCI12MEM_ACC_CNTL_2_WIN 14
101 #define MV64x60_PCI12MEM_ACC_CNTL_3_WIN 15
102 #define MV64x60_PCI02MEM_SNOOP_0_WIN 16
103 #define MV64x60_PCI02MEM_SNOOP_1_WIN 17
104 #define MV64x60_PCI02MEM_SNOOP_2_WIN 18
105 #define MV64x60_PCI02MEM_SNOOP_3_WIN 19
106 #define MV64x60_PCI12MEM_SNOOP_0_WIN 20
107 #define MV64x60_PCI12MEM_SNOOP_1_WIN 21
108 #define MV64x60_PCI12MEM_SNOOP_2_WIN 22
109 #define MV64x60_PCI12MEM_SNOOP_3_WIN 23
111 #define MV64x60_64BIT_WIN_COUNT 24
115 * Define a structure that's used to pass in config information to the
124 } mv64x60_pci_window_t;
127 u8 enable_bus; /* allow access to this PCI bus? */
128 u8 enumerate_bus; /* enumerate devices on this bus? */
130 mv64x60_pci_window_t pci_io;
131 mv64x60_pci_window_t pci_mem[3];
133 u32 acc_cntl_options[MV64x60_CPU2MEM_WINDOWS];
134 u32 snoop_options[MV64x60_CPU2MEM_WINDOWS];
137 } mv64x60_pci_info_t;
142 u32 window_preserve_mask_32;
143 u32 window_preserve_mask_64;
145 u32 base_irq; /* Starting irq # for this intr ctlr */
146 int ((*map_irq)(struct pci_dev *, unsigned char, unsigned char));
148 u32 cpu_prot_options[MV64x60_CPU2MEM_WINDOWS];
149 u32 cpu_snoop_options[MV64x60_CPU2MEM_WINDOWS];
151 mv64x60_pci_info_t pci_0;
152 mv64x60_pci_info_t pci_1;
153 } mv64x60_setup_info_t;
156 * Define the 'handle' struct that will be passed between the 64x60 core
157 * code and the platform-specific code that will use it. The handle
158 * will contain pointers to chip-specific routines & information.
165 u32 (*get_from_field)(u32 val, u32 num_bits);
166 u32 (*map_to_field)(u32 val, u32 num_bits);
168 } mv64x60_32bit_window_t;
176 u32 (*get_from_field)(u32 val, u32 num_bits);
177 u32 (*map_to_field)(u32 val, u32 num_bits);
179 } mv64x60_64bit_window_t;
181 typedef struct mv64x60_handle mv64x60_handle_t;
184 u32 (*translate_size)(u32 base, u32 size, u32 num_bits);
185 u32 (*untranslate_size)(u32 base, u32 size, u32 num_bits);
186 void (*set_pci2mem_window)(struct pci_controller *hose, u32 window,
188 u32 (*is_enabled_32bit)(mv64x60_handle_t *bh, u32 window);
189 void (*enable_window_32bit)(mv64x60_handle_t *bh, u32 window);
190 void (*disable_window_32bit)(mv64x60_handle_t *bh, u32 window);
191 void (*enable_window_64bit)(mv64x60_handle_t *bh, u32 window);
192 void (*disable_window_64bit)(mv64x60_handle_t *bh, u32 window);
193 void (*disable_all_windows)(mv64x60_handle_t *bh,
194 mv64x60_setup_info_t *si);
195 void (*chip_specific_init)(mv64x60_handle_t *bh,
196 mv64x60_setup_info_t *si);
198 mv64x60_32bit_window_t *window_tab_32bit;
199 mv64x60_64bit_window_t *window_tab_64bit;
200 } mv64x60_chip_info_t;
202 struct mv64x60_handle {
203 u32 type; /* type of bridge */
204 u32 v_base; /* virtual base addr of bridge regs */
205 u32 p_base; /* physical base addr of bridge regs */
206 u32 base_irq; /* Base irq # for intrs on this intr cltr */
208 u32 io_base_a; /* vaddr of pci 0's I/O space */
209 u32 io_base_b; /* vaddr of pci 1's I/O space */
211 struct pci_controller *hose_a;
212 struct pci_controller *hose_b;
214 mv64x60_chip_info_t *ci; /* chip/bridge-specific info */
218 /* Define I/O routines for accessing registers on the 64x60 bridge. */
220 mv64x60_write(mv64x60_handle_t *bh, u32 offset, u32 val) {
221 out_le32((volatile u32 *)(bh->v_base + offset), val);
225 mv64x60_read(mv64x60_handle_t *bh, u32 offset) {
226 return in_le32((volatile u32 *)(bh->v_base + offset));
230 mv64x60_modify(mv64x60_handle_t *bh, u32 offs, u32 data, u32 mask)
235 spin_lock_irqsave(&mv64x60_rmw_lock, flags);
236 reg = mv64x60_read(bh, offs) & (~mask); /* zero any bits we care about*/
237 reg |= data & mask; /* set bits from the data */
238 mv64x60_write(bh, offs, reg);
239 spin_unlock_irqrestore(&mv64x60_rmw_lock, flags);
242 #define mv64x60_set_bits(bh, offs, bits) mv64x60_modify(bh, offs, ~0, bits)
243 #define mv64x60_clr_bits(bh, offs, bits) mv64x60_modify(bh, offs, 0, bits)
246 /* Externally visible function prototypes */
247 int mv64x60_init(mv64x60_handle_t *bh, mv64x60_setup_info_t *si);
248 u32 mv64x60_get_mem_size(u32 bridge_base, u32 chip_type);
249 void mv64x60_get_32bit_window(mv64x60_handle_t *bh, u32 window,
250 u32 *base, u32 *size);
251 void mv64x60_set_32bit_window(mv64x60_handle_t *bh, u32 window, u32 base,
252 u32 size, u32 other_bits);
253 void mv64x60_get_64bit_window(mv64x60_handle_t *bh, u32 window, u32 *base_hi,
254 u32 *base_lo, u32 *size);
255 void mv64x60_set_64bit_window(mv64x60_handle_t *bh, u32 window, u32 base_hi,
256 u32 base_lo, u32 size, u32 other_bits);
259 void gt64260_init_irq(void);
260 int gt64260_get_irq(struct pt_regs *regs);
263 * OCP Related Definitions
286 } mv64x60_ocp_mpsc_data_t;
288 #define MV64x60_OCP_SYSFS_MPSC_DATA() \
289 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, mirror_regs) \
290 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, cache_mgmt) \
291 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, max_idle) \
292 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, default_baud) \
293 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, default_bits) \
294 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%c\n", mpsc, default_parity) \
295 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%c\n", mpsc, default_flow) \
296 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, chr_1_val) \
297 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, chr_2_val) \
298 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, chr_10_val) \
299 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, mpcr_val) \
300 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, mrr_val) \
301 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, rcrr_val) \
302 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, tcrr_val) \
303 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, intr_mask_val) \
304 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "0x%x\n", mpsc, bcr_val) \
305 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, sdma_irq) \
306 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, brg_can_tune) \
307 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, brg_clk_src) \
308 OCP_SYSFS_ADDTL(mv64x60_ocp_mpsc_data_t, "%d\n", mpsc, brg_clk_freq) \
311 mv64x60_ocp_show_mpsc(struct device *dev) \
313 device_create_file(dev, &dev_attr_mpsc_mirror_regs); \
314 device_create_file(dev, &dev_attr_mpsc_cache_mgmt); \
315 device_create_file(dev, &dev_attr_mpsc_max_idle); \
316 device_create_file(dev, &dev_attr_mpsc_default_baud); \
317 device_create_file(dev, &dev_attr_mpsc_default_bits); \
318 device_create_file(dev, &dev_attr_mpsc_default_parity); \
319 device_create_file(dev, &dev_attr_mpsc_default_flow); \
320 device_create_file(dev, &dev_attr_mpsc_chr_1_val); \
321 device_create_file(dev, &dev_attr_mpsc_chr_2_val); \
322 device_create_file(dev, &dev_attr_mpsc_chr_10_val); \
323 device_create_file(dev, &dev_attr_mpsc_mpcr_val); \
324 device_create_file(dev, &dev_attr_mpsc_mrr_val); \
325 device_create_file(dev, &dev_attr_mpsc_rcrr_val); \
326 device_create_file(dev, &dev_attr_mpsc_tcrr_val); \
327 device_create_file(dev, &dev_attr_mpsc_intr_mask_val); \
328 device_create_file(dev, &dev_attr_mpsc_bcr_val); \
329 device_create_file(dev, &dev_attr_mpsc_sdma_irq); \
330 device_create_file(dev, &dev_attr_mpsc_brg_can_tune); \
331 device_create_file(dev, &dev_attr_mpsc_brg_clk_src); \
332 device_create_file(dev, &dev_attr_mpsc_brg_clk_freq); \
335 #endif /* __ASMPPC_MV64x60_H */