Merge branch 'master' of git://git.denx.de/u-boot-samsung
[platform/kernel/u-boot.git] / board / ronetix / pm9263 / pm9263.c
1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
4  * Lead Tech Design <www.leadtechdesign.com>
5  * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
6  * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
7  *
8  * SPDX-License-Identifier:     GPL-2.0+
9  */
10
11 #include <common.h>
12 #include <linux/sizes.h>
13 #include <asm/io.h>
14 #include <asm/gpio.h>
15 #include <asm/arch/at91sam9_smc.h>
16 #include <asm/arch/at91_common.h>
17 #include <asm/arch/at91_rstc.h>
18 #include <asm/arch/at91_matrix.h>
19 #include <asm/arch/clk.h>
20 #include <asm/arch/gpio.h>
21 #include <lcd.h>
22 #include <atmel_lcdc.h>
23 #include <dataflash.h>
24 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
25 #include <net.h>
26 #endif
27 #include <netdev.h>
28 #include <asm/mach-types.h>
29
30 DECLARE_GLOBAL_DATA_PTR;
31
32 /* ------------------------------------------------------------------------- */
33 /*
34  * Miscelaneous platform dependent initialisations
35  */
36
37 #ifdef CONFIG_CMD_NAND
38 static void pm9263_nand_hw_init(void)
39 {
40         unsigned long csa;
41         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC0;
42         struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
43
44         /* Enable CS3 */
45         csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A;
46         writel(csa, &matrix->csa[0]);
47
48         /* Configure SMC CS3 for NAND/SmartMedia */
49         writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) |
50                 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1),
51                 &smc->cs[3].setup);
52
53         writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
54                 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
55                 &smc->cs[3].pulse);
56
57         writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
58                 &smc->cs[3].cycle);
59
60         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
61                 AT91_SMC_MODE_EXNW_DISABLE |
62 #ifdef CONFIG_SYS_NAND_DBW_16
63                 AT91_SMC_MODE_DBW_16 |
64 #else /* CONFIG_SYS_NAND_DBW_8 */
65                 AT91_SMC_MODE_DBW_8 |
66 #endif
67                 AT91_SMC_MODE_TDF_CYCLE(2),
68                 &smc->cs[3].mode);
69
70         /* Configure RDY/BSY */
71         gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
72
73         /* Enable NandFlash */
74         gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
75 }
76 #endif
77
78 #ifdef CONFIG_MACB
79 static void pm9263_macb_hw_init(void)
80 {
81         /*
82          * PB27 enables the 50MHz oscillator for Ethernet PHY
83          * 1 - enable
84          * 0 - disable
85          */
86         at91_set_pio_output(AT91_PIO_PORTB, 27, 1);
87         at91_set_pio_value(AT91_PIO_PORTB, 27, 1); /* 1- enable, 0 - disable */
88
89         at91_periph_clk_enable(ATMEL_ID_EMAC);
90
91         /*
92          * Disable pull-up on:
93          *      RXDV (PC25) => PHY normal mode (not Test mode)
94          *      ERX0 (PE25) => PHY ADDR0
95          *      ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
96          *
97          * PHY has internal pull-down
98          */
99
100         at91_set_pio_pullup(AT91_PIO_PORTC, 25, 0);
101         at91_set_pio_pullup(AT91_PIO_PORTE, 25, 0);
102         at91_set_pio_pullup(AT91_PIO_PORTE, 26, 0);
103
104         /* Re-enable pull-up */
105         at91_set_pio_pullup(AT91_PIO_PORTC, 25, 1);
106         at91_set_pio_pullup(AT91_PIO_PORTE, 25, 1);
107         at91_set_pio_pullup(AT91_PIO_PORTE, 26, 1);
108
109         at91_macb_hw_init();
110 }
111 #endif
112
113 #ifdef CONFIG_LCD
114 vidinfo_t panel_info = {
115         .vl_col =               240,
116         .vl_row =               320,
117         .vl_clk =               4965000,
118         .vl_sync =              ATMEL_LCDC_INVLINE_INVERTED |
119                                         ATMEL_LCDC_INVFRAME_INVERTED,
120         .vl_bpix =              3,
121         .vl_tft =               1,
122         .vl_hsync_len =         5,
123         .vl_left_margin =       1,
124         .vl_right_margin =      33,
125         .vl_vsync_len =         1,
126         .vl_upper_margin =      1,
127         .vl_lower_margin =      0,
128         .mmio =                 ATMEL_BASE_LCDC,
129 };
130
131 void lcd_enable(void)
132 {
133         at91_set_pio_value(AT91_PIO_PORTA, 22, 1); /* power up */
134 }
135
136 void lcd_disable(void)
137 {
138         at91_set_pio_value(AT91_PIO_PORTA, 22, 0); /* power down */
139 }
140
141 #ifdef CONFIG_LCD_IN_PSRAM
142
143 #define PSRAM_CRE_PIN   AT91_PIO_PORTB, 29
144 #define PSRAM_CTRL_REG  (PHYS_PSRAM + PHYS_PSRAM_SIZE - 2)
145
146 /* Initialize the PSRAM memory */
147 static int pm9263_lcd_hw_psram_init(void)
148 {
149         unsigned long csa;
150         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC1;
151         struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
152
153         /* Enable CS3  3.3v, no pull-ups */
154         csa = readl(&matrix->csa[1]) | AT91_MATRIX_CSA_DBPUC |
155                 AT91_MATRIX_CSA_VDDIOMSEL_3_3V;
156
157         writel(csa, &matrix->csa[1]);
158
159         /* Configure SMC1 CS0 for PSRAM - 16-bit */
160         writel(AT91_SMC_SETUP_NWE(0) | AT91_SMC_SETUP_NCS_WR(0) |
161                 AT91_SMC_SETUP_NRD(0) | AT91_SMC_SETUP_NCS_RD(0),
162                 &smc->cs[0].setup);
163
164         writel(AT91_SMC_PULSE_NWE(7) | AT91_SMC_PULSE_NCS_WR(7) |
165                 AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(7),
166                 &smc->cs[0].pulse);
167
168         writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
169                 &smc->cs[0].cycle);
170
171         writel(AT91_SMC_MODE_DBW_16 | AT91_SMC_MODE_PMEN | AT91_SMC_MODE_PS_32,
172                 &smc->cs[0].mode);
173
174         /* setup PB29 as output */
175         at91_set_pio_output(PSRAM_CRE_PIN, 1);
176
177         at91_set_pio_value(PSRAM_CRE_PIN, 0);   /* set PSRAM_CRE_PIN to '0' */
178
179         /* PSRAM: write BCR */
180         readw(PSRAM_CTRL_REG);
181         readw(PSRAM_CTRL_REG);
182         writew(1, PSRAM_CTRL_REG);      /* 0 - RCR,1 - BCR */
183         writew(0x9d4f, PSRAM_CTRL_REG); /* write the BCR */
184
185         /* write RCR of the PSRAM */
186         readw(PSRAM_CTRL_REG);
187         readw(PSRAM_CTRL_REG);
188         writew(0, PSRAM_CTRL_REG);      /* 0 - RCR,1 - BCR */
189         /* set RCR; 0x10-async mode,0x90-page mode */
190         writew(0x90, PSRAM_CTRL_REG);
191
192         /*
193          * test to see if the PSRAM is MT45W2M16A or MT45W2M16B
194          * MT45W2M16B - CRE must be 0
195          * MT45W2M16A - CRE must be 1
196          */
197         writew(0x1234, PHYS_PSRAM);
198         writew(0x5678, PHYS_PSRAM + 2);
199
200         /* test if the chip is MT45W2M16B */
201         if ((readw(PHYS_PSRAM) != 0x1234) || (readw(PHYS_PSRAM+2) != 0x5678)) {
202                 /* try with CRE=1 (MT45W2M16A) */
203                 at91_set_pio_value(PSRAM_CRE_PIN, 1); /* set PSRAM_CRE_PIN to '1' */
204
205                 /* write RCR of the PSRAM */
206                 readw(PSRAM_CTRL_REG);
207                 readw(PSRAM_CTRL_REG);
208                 writew(0, PSRAM_CTRL_REG);      /* 0 - RCR,1 - BCR */
209                 /* set RCR;0x10-async mode,0x90-page mode */
210                 writew(0x90, PSRAM_CTRL_REG);
211
212
213                 writew(0x1234, PHYS_PSRAM);
214                 writew(0x5678, PHYS_PSRAM+2);
215                 if ((readw(PHYS_PSRAM) != 0x1234)
216                   || (readw(PHYS_PSRAM + 2) != 0x5678))
217                         return 1;
218
219         }
220
221         /* Bus matrix */
222         writel(AT91_MATRIX_PRA_M5(3), &matrix->pr[5].a);
223         writel(CONFIG_PSRAM_SCFG, &matrix->scfg[5]);
224
225         return 0;
226 }
227 #endif
228
229 static void pm9263_lcd_hw_init(void)
230 {
231         at91_set_a_periph(AT91_PIO_PORTC, 0, 0);        /* LCDVSYNC */
232         at91_set_a_periph(AT91_PIO_PORTC, 1, 0);        /* LCDHSYNC */
233         at91_set_a_periph(AT91_PIO_PORTC, 2, 0);        /* LCDDOTCK */
234         at91_set_a_periph(AT91_PIO_PORTC, 3, 0);        /* LCDDEN */
235         at91_set_b_periph(AT91_PIO_PORTB, 9, 0);        /* LCDCC */
236         at91_set_a_periph(AT91_PIO_PORTC, 6, 0);        /* LCDD2 */
237         at91_set_a_periph(AT91_PIO_PORTC, 7, 0);        /* LCDD3 */
238         at91_set_a_periph(AT91_PIO_PORTC, 8, 0);        /* LCDD4 */
239         at91_set_a_periph(AT91_PIO_PORTC, 9, 0);        /* LCDD5 */
240         at91_set_a_periph(AT91_PIO_PORTC, 10, 0);       /* LCDD6 */
241         at91_set_a_periph(AT91_PIO_PORTC, 11, 0);       /* LCDD7 */
242         at91_set_a_periph(AT91_PIO_PORTC, 14, 0);       /* LCDD10 */
243         at91_set_a_periph(AT91_PIO_PORTC, 15, 0);       /* LCDD11 */
244         at91_set_a_periph(AT91_PIO_PORTC, 16, 0);       /* LCDD12 */
245         at91_set_b_periph(AT91_PIO_PORTC, 12, 0);       /* LCDD13 */
246         at91_set_a_periph(AT91_PIO_PORTC, 18, 0);       /* LCDD14 */
247         at91_set_a_periph(AT91_PIO_PORTC, 19, 0);       /* LCDD15 */
248         at91_set_a_periph(AT91_PIO_PORTC, 22, 0);       /* LCDD18 */
249         at91_set_a_periph(AT91_PIO_PORTC, 23, 0);       /* LCDD19 */
250         at91_set_a_periph(AT91_PIO_PORTC, 24, 0);       /* LCDD20 */
251         at91_set_b_periph(AT91_PIO_PORTC, 17, 0);       /* LCDD21 */
252         at91_set_a_periph(AT91_PIO_PORTC, 26, 0);       /* LCDD22 */
253         at91_set_a_periph(AT91_PIO_PORTC, 27, 0);       /* LCDD23 */
254
255         at91_periph_clk_enable(ATMEL_ID_LCDC);
256
257         /* Power Control */
258         at91_set_pio_output(AT91_PIO_PORTA, 22, 1);
259         at91_set_pio_value(AT91_PIO_PORTA, 22, 0);      /* power down */
260
261 #ifdef CONFIG_LCD_IN_PSRAM
262         /* initialize te PSRAM */
263         int stat = pm9263_lcd_hw_psram_init();
264
265         gd->fb_base = (stat == 0) ? PHYS_PSRAM : ATMEL_BASE_SRAM0;
266 #else
267         gd->fb_base = ATMEL_BASE_SRAM0;
268 #endif
269
270 }
271
272 #ifdef CONFIG_LCD_INFO
273 #include <nand.h>
274 #include <version.h>
275
276 extern flash_info_t flash_info[];
277
278 void lcd_show_board_info(void)
279 {
280         ulong dram_size, nand_size, flash_size, dataflash_size;
281         int i;
282         char temp[32];
283
284         lcd_printf ("%s\n", U_BOOT_VERSION);
285         lcd_printf ("(C) 2009 Ronetix GmbH\n");
286         lcd_printf ("support@ronetix.at\n");
287         lcd_printf ("%s CPU at %s MHz",
288                 CONFIG_SYS_AT91_CPU_NAME,
289                 strmhz(temp, get_cpu_clk_rate()));
290
291         dram_size = 0;
292         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
293                 dram_size += gd->bd->bi_dram[i].size;
294
295         nand_size = 0;
296         for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
297                 nand_size += nand_info[i]->size;
298
299         flash_size = 0;
300         for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
301                 flash_size += flash_info[i].size;
302
303         dataflash_size = 0;
304         for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
305                 dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
306                                 dataflash_info[i].Device.pages_size;
307
308         lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
309                         "4 MB PSRAM, %ld MB DataFlash\n",
310                 dram_size >> 20,
311                 nand_size >> 20,
312                 flash_size >> 20,
313                 dataflash_size >> 20);
314 }
315 #endif /* CONFIG_LCD_INFO */
316
317 #endif /* CONFIG_LCD */
318
319 int board_early_init_f(void)
320 {
321         at91_periph_clk_enable(ATMEL_ID_PIOA);
322         at91_periph_clk_enable(ATMEL_ID_PIOB);
323         at91_periph_clk_enable(ATMEL_ID_PIOCDE);
324
325         at91_seriald_hw_init();
326
327         return 0;
328 }
329
330 int board_init(void)
331 {
332         /* arch number of AT91SAM9263EK-Board */
333         gd->bd->bi_arch_number = MACH_TYPE_PM9263;
334
335         /* adress of boot parameters */
336         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
337
338 #ifdef CONFIG_CMD_NAND
339         pm9263_nand_hw_init();
340 #endif
341 #ifdef CONFIG_HAS_DATAFLASH
342         at91_spi0_hw_init(1 << 0);
343 #endif
344 #ifdef CONFIG_MACB
345         pm9263_macb_hw_init();
346 #endif
347 #ifdef CONFIG_USB_OHCI_NEW
348         at91_uhp_hw_init();
349 #endif
350 #ifdef CONFIG_LCD
351         pm9263_lcd_hw_init();
352 #endif
353         return 0;
354 }
355
356 int dram_init(void)
357 {
358         /* dram_init must store complete ramsize in gd->ram_size */
359         gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
360                                 PHYS_SDRAM_SIZE);
361         return 0;
362 }
363
364 int dram_init_banksize(void)
365 {
366         gd->bd->bi_dram[0].start = PHYS_SDRAM;
367         gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
368
369         return 0;
370 }
371
372 #ifdef CONFIG_RESET_PHY_R
373 void reset_phy(void)
374 {
375 }
376 #endif
377
378 int board_eth_init(bd_t *bis)
379 {
380         int rc = 0;
381 #ifdef CONFIG_MACB
382         rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
383 #endif
384         return rc;
385 }
386
387 #ifdef CONFIG_DISPLAY_BOARDINFO
388 int checkboard (void)
389 {
390         char *ss;
391
392         printf ("Board : Ronetix PM9263\n");
393
394         switch (gd->fb_base) {
395         case PHYS_PSRAM:
396                 ss = "(PSRAM)";
397                 break;
398
399         case ATMEL_BASE_SRAM0:
400                 ss = "(Internal SRAM)";
401                 break;
402
403         default:
404                 ss = "";
405                 break;
406         }
407         printf("Video memory : 0x%08lX %s\n", gd->fb_base, ss );
408
409         printf ("\n");
410         return 0;
411 }
412 #endif