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[karo-tx-uboot.git] / board / ronetix / pm9261 / pm9261.c
1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian.pop@leadtechdesign.com>
4  * Lead Tech Design <www.leadtechdesign.com>
5  * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at)
6  * Copyright (C) 2009 Jean-Christopher PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
7  *
8  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of
14  * the License, or (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., 59 Temple Place, Suite 330, Boston,
24  * MA 02111-1307 USA
25  */
26
27 #include <common.h>
28 #include <asm/sizes.h>
29 #include <asm/io.h>
30 #include <asm/arch/at91sam9_smc.h>
31 #include <asm/arch/at91_common.h>
32 #include <asm/arch/at91_pmc.h>
33 #include <asm/arch/at91_rstc.h>
34 #include <asm/arch/at91_matrix.h>
35 #include <asm/arch/clk.h>
36 #include <asm/arch/gpio.h>
37
38 #include <lcd.h>
39 #include <atmel_lcdc.h>
40 #include <dataflash.h>
41 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_DRIVER_DM9000)
42 #include <net.h>
43 #endif
44 #include <netdev.h>
45
46 DECLARE_GLOBAL_DATA_PTR;
47
48 /* ------------------------------------------------------------------------- */
49 /*
50  * Miscelaneous platform dependent initialisations
51  */
52
53 #ifdef CONFIG_CMD_NAND
54 static void pm9261_nand_hw_init(void)
55 {
56         unsigned long csa;
57         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
58         struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
59         struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
60
61         /* Enable CS3 */
62         csa = readl(&matrix->csa) | AT91_MATRIX_CSA_EBI_CS3A;
63         writel(csa, &matrix->csa);
64
65         /* Configure SMC CS3 for NAND/SmartMedia */
66         writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
67                 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
68                 &smc->cs[3].setup);
69
70         writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
71                 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
72                 &smc->cs[3].pulse);
73
74         writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
75                 &smc->cs[3].cycle);
76
77         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
78                 AT91_SMC_MODE_EXNW_DISABLE |
79 #ifdef CONFIG_SYS_NAND_DBW_16
80                 AT91_SMC_MODE_DBW_16 |
81 #else /* CONFIG_SYS_NAND_DBW_8 */
82                 AT91_SMC_MODE_DBW_8 |
83 #endif
84                 AT91_SMC_MODE_TDF_CYCLE(2),
85                 &smc->cs[3].mode);
86
87         writel(1 << ATMEL_ID_PIOA |
88                 1 << ATMEL_ID_PIOC,
89                 &pmc->pcer);
90
91         /* Configure RDY/BSY */
92         at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1);
93
94         /* Enable NandFlash */
95         at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
96
97         at91_set_a_periph(AT91_PIO_PORTC, 0, 0);        /* NANDOE */
98         at91_set_a_periph(AT91_PIO_PORTC, 1, 0);        /* NANDWE */
99 }
100 #endif
101
102
103 #ifdef CONFIG_DRIVER_DM9000
104 static void pm9261_dm9000_hw_init(void)
105 {
106         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
107         struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
108
109         /* Configure SMC CS2 for DM9000 */
110         writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(0) |
111                 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
112                 &smc->cs[2].setup);
113
114         writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(8) |
115                 AT91_SMC_PULSE_NRD(4) | AT91_SMC_PULSE_NCS_RD(8),
116                 &smc->cs[2].pulse);
117
118         writel(AT91_SMC_CYCLE_NWE(16) | AT91_SMC_CYCLE_NRD(16),
119                 &smc->cs[2].cycle);
120
121         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
122                 AT91_SMC_MODE_EXNW_DISABLE |
123                 AT91_SMC_MODE_BAT | AT91_SMC_MODE_DBW_16 |
124                 AT91_SMC_MODE_TDF_CYCLE(1),
125                 &smc->cs[2].mode);
126
127         /* Configure Interrupt pin as input, no pull-up */
128         writel(1 << ATMEL_ID_PIOA, &pmc->pcer);
129         at91_set_pio_input(AT91_PIO_PORTA, 24, 0);
130 }
131 #endif
132
133 #ifdef CONFIG_LCD
134 vidinfo_t panel_info = {
135         vl_col:         240,
136         vl_row:         320,
137         vl_clk:         4965000,
138         vl_sync:        ATMEL_LCDC_INVLINE_INVERTED |
139                         ATMEL_LCDC_INVFRAME_INVERTED,
140         vl_bpix:        3,
141         vl_tft:         1,
142         vl_hsync_len:   5,
143         vl_left_margin: 1,
144         vl_right_margin:33,
145         vl_vsync_len:   1,
146         vl_upper_margin:1,
147         vl_lower_margin:0,
148         mmio:           ATMEL_BASE_LCDC,
149 };
150
151 void lcd_enable(void)
152 {
153         at91_set_pio_value(AT91_PIO_PORTA, 22, 0);  /* power up */
154 }
155
156 void lcd_disable(void)
157 {
158         at91_set_pio_value(AT91_PIO_PORTA, 22, 1);  /* power down */
159 }
160
161 static void pm9261_lcd_hw_init(void)
162 {
163         struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
164
165         at91_set_a_periph(AT91_PIO_PORTB, 1, 0);        /* LCDHSYNC */
166         at91_set_a_periph(AT91_PIO_PORTB, 2, 0);        /* LCDDOTCK */
167         at91_set_a_periph(AT91_PIO_PORTB, 3, 0);        /* LCDDEN */
168         at91_set_a_periph(AT91_PIO_PORTB, 4, 0);        /* LCDCC */
169         at91_set_a_periph(AT91_PIO_PORTB, 7, 0);        /* LCDD2 */
170         at91_set_a_periph(AT91_PIO_PORTB, 8, 0);        /* LCDD3 */
171         at91_set_a_periph(AT91_PIO_PORTB, 9, 0);        /* LCDD4 */
172         at91_set_a_periph(AT91_PIO_PORTB, 10, 0);       /* LCDD5 */
173         at91_set_a_periph(AT91_PIO_PORTB, 11, 0);       /* LCDD6 */
174         at91_set_a_periph(AT91_PIO_PORTB, 12, 0);       /* LCDD7 */
175         at91_set_a_periph(AT91_PIO_PORTB, 15, 0);       /* LCDD10 */
176         at91_set_a_periph(AT91_PIO_PORTB, 16, 0);       /* LCDD11 */
177         at91_set_a_periph(AT91_PIO_PORTB, 17, 0);       /* LCDD12 */
178         at91_set_a_periph(AT91_PIO_PORTB, 18, 0);       /* LCDD13 */
179         at91_set_a_periph(AT91_PIO_PORTB, 19, 0);       /* LCDD14 */
180         at91_set_a_periph(AT91_PIO_PORTB, 20, 0);       /* LCDD15 */
181         at91_set_b_periph(AT91_PIO_PORTB, 23, 0);       /* LCDD18 */
182         at91_set_b_periph(AT91_PIO_PORTB, 24, 0);       /* LCDD19 */
183         at91_set_b_periph(AT91_PIO_PORTB, 25, 0);       /* LCDD20 */
184         at91_set_b_periph(AT91_PIO_PORTB, 26, 0);       /* LCDD21 */
185         at91_set_b_periph(AT91_PIO_PORTB, 27, 0);       /* LCDD22 */
186         at91_set_b_periph(AT91_PIO_PORTB, 28, 0);       /* LCDD23 */
187
188         writel(1 << 17, &pmc->scer); /* LCD controller Clock, AT91SAM9261 only */
189
190         gd->fb_base = ATMEL_BASE_SRAM;
191 }
192
193 #ifdef CONFIG_LCD_INFO
194 #include <nand.h>
195 #include <version.h>
196
197 extern flash_info_t flash_info[];
198
199 void lcd_show_board_info(void)
200 {
201         ulong dram_size, nand_size, flash_size, dataflash_size;
202         int i;
203         char temp[32];
204
205         lcd_printf ("%s\n", U_BOOT_VERSION);
206         lcd_printf ("(C) 2009 Ronetix GmbH\n");
207         lcd_printf ("support@ronetix.at\n");
208         lcd_printf ("%s CPU at %s MHz",
209                 CONFIG_SYS_AT91_CPU_NAME,
210                 strmhz(temp, get_cpu_clk_rate()));
211
212         dram_size = 0;
213         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
214                 dram_size += gd->bd->bi_dram[i].size;
215
216         nand_size = 0;
217         for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
218                 nand_size += nand_info[i].size;
219
220         flash_size = 0;
221         for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++)
222                 flash_size += flash_info[i].size;
223
224         dataflash_size = 0;
225         for (i = 0; i < CONFIG_SYS_MAX_DATAFLASH_BANKS; i++)
226                 dataflash_size += (unsigned int) dataflash_info[i].Device.pages_number *
227                                 dataflash_info[i].Device.pages_size;
228
229         lcd_printf ("%ld MB SDRAM, %ld MB NAND\n%ld MB NOR Flash\n"
230                         "%ld MB DataFlash\n",
231                 dram_size >> 20,
232                 nand_size >> 20,
233                 flash_size >> 20,
234                 dataflash_size >> 20);
235 }
236 #endif /* CONFIG_LCD_INFO */
237
238 #endif /* CONFIG_LCD */
239
240 int board_init(void)
241 {
242         struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
243
244         /* Enable Ctrlc */
245         console_init_f();
246
247         writel(1 << ATMEL_ID_PIOA |
248                 1 << ATMEL_ID_PIOC,
249                 &pmc->pcer);
250
251         /* adress of boot parameters */
252         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
253
254         at91_seriald_hw_init();
255 #ifdef CONFIG_CMD_NAND
256         pm9261_nand_hw_init();
257 #endif
258 #ifdef CONFIG_HAS_DATAFLASH
259         at91_spi0_hw_init(1 << 0);
260 #endif
261 #ifdef CONFIG_DRIVER_DM9000
262         pm9261_dm9000_hw_init();
263 #endif
264 #ifdef CONFIG_LCD
265         pm9261_lcd_hw_init();
266 #endif
267         return 0;
268 }
269
270 #ifdef CONFIG_DRIVER_DM9000
271 int board_eth_init(bd_t *bis)
272 {
273         return dm9000_initialize(bis);
274 }
275 #endif
276
277 int dram_init(void)
278 {
279         /* dram_init must store complete ramsize in gd->ram_size */
280         gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
281                                 PHYS_SDRAM_SIZE);
282         return 0;
283 }
284
285 void dram_init_banksize(void)
286 {
287         gd->bd->bi_dram[0].start = PHYS_SDRAM;
288         gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
289 }
290
291 #ifdef CONFIG_RESET_PHY_R
292 void reset_phy(void)
293 {
294 #ifdef CONFIG_DRIVER_DM9000
295         /*
296          * Initialize ethernet HW addr prior to starting Linux,
297          * needed for nfsroot
298          */
299         eth_init(gd->bd);
300 #endif
301 }
302 #endif
303
304 #ifdef CONFIG_DISPLAY_BOARDINFO
305 int checkboard (void)
306 {
307         char buf[32];
308
309         printf ("Board : Ronetix PM9261\n");
310         printf ("Crystal frequency: %8s MHz\n",
311                                         strmhz(buf, get_main_clk_rate()));
312         printf ("CPU clock        : %8s MHz\n",
313                                         strmhz(buf, get_cpu_clk_rate()));
314         printf ("Master clock     : %8s MHz\n",
315                                         strmhz(buf, get_mck_clk_rate()));
316
317         return 0;
318 }
319 #endif