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edb6310a DL |
1 | /* |
2 | * platform.c: platform support for PNX833X. | |
3 | * | |
4 | * Copyright 2008 NXP Semiconductors | |
5 | * Chris Steel <chris.steel@nxp.com> | |
6 | * Daniel Laird <daniel.j.laird@nxp.com> | |
7 | * | |
8 | * Based on software written by: | |
70342287 | 9 | * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. |
edb6310a DL |
10 | * |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | */ | |
25 | #include <linux/device.h> | |
26 | #include <linux/dma-mapping.h> | |
27 | #include <linux/platform_device.h> | |
28 | #include <linux/kernel.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/resource.h> | |
31 | #include <linux/serial.h> | |
32 | #include <linux/serial_pnx8xxx.h> | |
33 | #include <linux/mtd/nand.h> | |
34 | #include <linux/mtd/partitions.h> | |
35 | ||
36 | #ifdef CONFIG_I2C_PNX0105 | |
37 | /* Until i2c driver available in kernel.*/ | |
38 | #include <linux/i2c-pnx0105.h> | |
39 | #endif | |
40 | ||
41 | #include <irq.h> | |
42 | #include <irq-mapping.h> | |
43 | #include <pnx833x.h> | |
44 | ||
70342287 | 45 | static u64 uart_dmamask = DMA_BIT_MASK(32); |
edb6310a DL |
46 | |
47 | static struct resource pnx833x_uart_resources[] = { | |
48 | [0] = { | |
49 | .start = PNX833X_UART0_PORTS_START, | |
50 | .end = PNX833X_UART0_PORTS_END, | |
51 | .flags = IORESOURCE_MEM, | |
52 | }, | |
53 | [1] = { | |
54 | .start = PNX833X_PIC_UART0_INT, | |
55 | .end = PNX833X_PIC_UART0_INT, | |
56 | .flags = IORESOURCE_IRQ, | |
57 | }, | |
58 | [2] = { | |
59 | .start = PNX833X_UART1_PORTS_START, | |
60 | .end = PNX833X_UART1_PORTS_END, | |
61 | .flags = IORESOURCE_MEM, | |
62 | }, | |
63 | [3] = { | |
64 | .start = PNX833X_PIC_UART1_INT, | |
65 | .end = PNX833X_PIC_UART1_INT, | |
66 | .flags = IORESOURCE_IRQ, | |
67 | }, | |
68 | }; | |
69 | ||
70 | struct pnx8xxx_port pnx8xxx_ports[] = { | |
71 | [0] = { | |
70342287 | 72 | .port = { |
edb6310a DL |
73 | .type = PORT_PNX8XXX, |
74 | .iotype = UPIO_MEM, | |
75 | .membase = (void __iomem *)PNX833X_UART0_PORTS_START, | |
76 | .mapbase = PNX833X_UART0_PORTS_START, | |
77 | .irq = PNX833X_PIC_UART0_INT, | |
78 | .uartclk = 3692300, | |
79 | .fifosize = 16, | |
80 | .flags = UPF_BOOT_AUTOCONF, | |
81 | .line = 0, | |
82 | }, | |
83 | }, | |
84 | [1] = { | |
70342287 | 85 | .port = { |
edb6310a DL |
86 | .type = PORT_PNX8XXX, |
87 | .iotype = UPIO_MEM, | |
88 | .membase = (void __iomem *)PNX833X_UART1_PORTS_START, | |
89 | .mapbase = PNX833X_UART1_PORTS_START, | |
90 | .irq = PNX833X_PIC_UART1_INT, | |
91 | .uartclk = 3692300, | |
92 | .fifosize = 16, | |
93 | .flags = UPF_BOOT_AUTOCONF, | |
94 | .line = 1, | |
95 | }, | |
96 | }, | |
97 | }; | |
98 | ||
99 | static struct platform_device pnx833x_uart_device = { | |
100 | .name = "pnx8xxx-uart", | |
101 | .id = -1, | |
102 | .dev = { | |
103 | .dma_mask = &uart_dmamask, | |
284901a9 | 104 | .coherent_dma_mask = DMA_BIT_MASK(32), |
edb6310a DL |
105 | .platform_data = pnx8xxx_ports, |
106 | }, | |
107 | .num_resources = ARRAY_SIZE(pnx833x_uart_resources), | |
108 | .resource = pnx833x_uart_resources, | |
109 | }; | |
110 | ||
70342287 | 111 | static u64 ehci_dmamask = DMA_BIT_MASK(32); |
edb6310a DL |
112 | |
113 | static struct resource pnx833x_usb_ehci_resources[] = { | |
114 | [0] = { | |
115 | .start = PNX833X_USB_PORTS_START, | |
116 | .end = PNX833X_USB_PORTS_END, | |
117 | .flags = IORESOURCE_MEM, | |
118 | }, | |
119 | [1] = { | |
120 | .start = PNX833X_PIC_USB_INT, | |
121 | .end = PNX833X_PIC_USB_INT, | |
122 | .flags = IORESOURCE_IRQ, | |
123 | }, | |
124 | }; | |
125 | ||
126 | static struct platform_device pnx833x_usb_ehci_device = { | |
127 | .name = "pnx833x-ehci", | |
128 | .id = -1, | |
129 | .dev = { | |
130 | .dma_mask = &ehci_dmamask, | |
284901a9 | 131 | .coherent_dma_mask = DMA_BIT_MASK(32), |
edb6310a DL |
132 | }, |
133 | .num_resources = ARRAY_SIZE(pnx833x_usb_ehci_resources), | |
134 | .resource = pnx833x_usb_ehci_resources, | |
135 | }; | |
136 | ||
137 | #ifdef CONFIG_I2C_PNX0105 | |
138 | static struct resource pnx833x_i2c0_resources[] = { | |
139 | { | |
140 | .start = PNX833X_I2C0_PORTS_START, | |
141 | .end = PNX833X_I2C0_PORTS_END, | |
142 | .flags = IORESOURCE_MEM, | |
143 | }, | |
144 | { | |
145 | .start = PNX833X_PIC_I2C0_INT, | |
146 | .end = PNX833X_PIC_I2C0_INT, | |
147 | .flags = IORESOURCE_IRQ, | |
148 | }, | |
149 | }; | |
150 | ||
151 | static struct resource pnx833x_i2c1_resources[] = { | |
152 | { | |
153 | .start = PNX833X_I2C1_PORTS_START, | |
154 | .end = PNX833X_I2C1_PORTS_END, | |
155 | .flags = IORESOURCE_MEM, | |
156 | }, | |
157 | { | |
158 | .start = PNX833X_PIC_I2C1_INT, | |
159 | .end = PNX833X_PIC_I2C1_INT, | |
160 | .flags = IORESOURCE_IRQ, | |
161 | }, | |
162 | }; | |
163 | ||
164 | static struct i2c_pnx0105_dev pnx833x_i2c_dev[] = { | |
165 | { | |
166 | .base = PNX833X_I2C0_PORTS_START, | |
167 | .irq = -1, /* should be PNX833X_PIC_I2C0_INT but polling is faster */ | |
25985edc | 168 | .clock = 6, /* 0 == 400 kHz, 4 == 100 kHz(Maximum HDMI), 6 = 50kHz(Preferred HDCP) */ |
edb6310a DL |
169 | .bus_addr = 0, /* no slave support */ |
170 | }, | |
171 | { | |
172 | .base = PNX833X_I2C1_PORTS_START, | |
173 | .irq = -1, /* on high freq, polling is faster */ | |
174 | /*.irq = PNX833X_PIC_I2C1_INT,*/ | |
175 | .clock = 4, /* 0 == 400 kHz, 4 == 100 kHz. 100 kHz seems a safe default for now */ | |
176 | .bus_addr = 0, /* no slave support */ | |
177 | }, | |
178 | }; | |
179 | ||
180 | static struct platform_device pnx833x_i2c0_device = { | |
181 | .name = "i2c-pnx0105", | |
182 | .id = 0, | |
183 | .dev = { | |
184 | .platform_data = &pnx833x_i2c_dev[0], | |
185 | }, | |
70342287 | 186 | .num_resources = ARRAY_SIZE(pnx833x_i2c0_resources), |
edb6310a DL |
187 | .resource = pnx833x_i2c0_resources, |
188 | }; | |
189 | ||
190 | static struct platform_device pnx833x_i2c1_device = { | |
191 | .name = "i2c-pnx0105", | |
192 | .id = 1, | |
193 | .dev = { | |
194 | .platform_data = &pnx833x_i2c_dev[1], | |
195 | }, | |
70342287 | 196 | .num_resources = ARRAY_SIZE(pnx833x_i2c1_resources), |
edb6310a DL |
197 | .resource = pnx833x_i2c1_resources, |
198 | }; | |
199 | #endif | |
200 | ||
284901a9 | 201 | static u64 ethernet_dmamask = DMA_BIT_MASK(32); |
edb6310a DL |
202 | |
203 | static struct resource pnx833x_ethernet_resources[] = { | |
204 | [0] = { | |
205 | .start = PNX8335_IP3902_PORTS_START, | |
206 | .end = PNX8335_IP3902_PORTS_END, | |
207 | .flags = IORESOURCE_MEM, | |
208 | }, | |
3ac3bcb9 | 209 | #ifdef CONFIG_SOC_PNX8335 |
edb6310a DL |
210 | [1] = { |
211 | .start = PNX8335_PIC_ETHERNET_INT, | |
212 | .end = PNX8335_PIC_ETHERNET_INT, | |
213 | .flags = IORESOURCE_IRQ, | |
214 | }, | |
3ac3bcb9 | 215 | #endif |
edb6310a DL |
216 | }; |
217 | ||
218 | static struct platform_device pnx833x_ethernet_device = { | |
219 | .name = "ip3902-eth", | |
220 | .id = -1, | |
221 | .dev = { | |
70342287 | 222 | .dma_mask = ðernet_dmamask, |
284901a9 | 223 | .coherent_dma_mask = DMA_BIT_MASK(32), |
edb6310a DL |
224 | }, |
225 | .num_resources = ARRAY_SIZE(pnx833x_ethernet_resources), | |
226 | .resource = pnx833x_ethernet_resources, | |
227 | }; | |
228 | ||
229 | static struct resource pnx833x_sata_resources[] = { | |
230 | [0] = { | |
231 | .start = PNX8335_SATA_PORTS_START, | |
232 | .end = PNX8335_SATA_PORTS_END, | |
233 | .flags = IORESOURCE_MEM, | |
234 | }, | |
235 | [1] = { | |
236 | .start = PNX8335_PIC_SATA_INT, | |
237 | .end = PNX8335_PIC_SATA_INT, | |
238 | .flags = IORESOURCE_IRQ, | |
239 | }, | |
240 | }; | |
241 | ||
242 | static struct platform_device pnx833x_sata_device = { | |
70342287 RB |
243 | .name = "pnx833x-sata", |
244 | .id = -1, | |
edb6310a DL |
245 | .num_resources = ARRAY_SIZE(pnx833x_sata_resources), |
246 | .resource = pnx833x_sata_resources, | |
247 | }; | |
248 | ||
edb6310a DL |
249 | static void |
250 | pnx833x_flash_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) | |
251 | { | |
252 | struct nand_chip *this = mtd->priv; | |
253 | unsigned long nandaddr = (unsigned long)this->IO_ADDR_W; | |
254 | ||
255 | if (cmd == NAND_CMD_NONE) | |
256 | return; | |
257 | ||
258 | if (ctrl & NAND_CLE) | |
259 | writeb(cmd, (void __iomem *)(nandaddr + PNX8335_NAND_CLE_MASK)); | |
260 | else | |
261 | writeb(cmd, (void __iomem *)(nandaddr + PNX8335_NAND_ALE_MASK)); | |
262 | } | |
263 | ||
264 | static struct platform_nand_data pnx833x_flash_nand_data = { | |
265 | .chip = { | |
d2b5bbef | 266 | .nr_chips = 1, |
edb6310a | 267 | .chip_delay = 25, |
edb6310a DL |
268 | }, |
269 | .ctrl = { | |
70342287 | 270 | .cmd_ctrl = pnx833x_flash_nand_cmd_ctrl |
edb6310a DL |
271 | } |
272 | }; | |
273 | ||
274 | /* | |
275 | * Set start to be the correct address (PNX8335_NAND_BASE with no 0xb!!), | |
276 | * 12 bytes more seems to be the standard that allows for NAND access. | |
277 | */ | |
278 | static struct resource pnx833x_flash_nand_resource = { | |
70342287 RB |
279 | .start = PNX8335_NAND_BASE, |
280 | .end = PNX8335_NAND_BASE + 12, | |
281 | .flags = IORESOURCE_MEM, | |
edb6310a DL |
282 | }; |
283 | ||
284 | static struct platform_device pnx833x_flash_nand = { | |
70342287 RB |
285 | .name = "gen_nand", |
286 | .id = -1, | |
edb6310a DL |
287 | .num_resources = 1, |
288 | .resource = &pnx833x_flash_nand_resource, | |
70342287 | 289 | .dev = { |
edb6310a DL |
290 | .platform_data = &pnx833x_flash_nand_data, |
291 | }, | |
292 | }; | |
293 | ||
294 | static struct platform_device *pnx833x_platform_devices[] __initdata = { | |
295 | &pnx833x_uart_device, | |
296 | &pnx833x_usb_ehci_device, | |
297 | #ifdef CONFIG_I2C_PNX0105 | |
298 | &pnx833x_i2c0_device, | |
299 | &pnx833x_i2c1_device, | |
300 | #endif | |
301 | &pnx833x_ethernet_device, | |
302 | &pnx833x_sata_device, | |
303 | &pnx833x_flash_nand, | |
304 | }; | |
305 | ||
306 | static int __init pnx833x_platform_init(void) | |
307 | { | |
308 | int res; | |
309 | ||
310 | res = platform_add_devices(pnx833x_platform_devices, | |
311 | ARRAY_SIZE(pnx833x_platform_devices)); | |
312 | ||
313 | return res; | |
314 | } | |
315 | ||
316 | arch_initcall(pnx833x_platform_init); |