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6
7#include <common.h>
8#include <init.h>
9#include <asm/io.h>
10#include <asm/arch/sama5d3_smc.h>
11#include <asm/arch/at91_common.h>
12#include <asm/arch/at91_rstc.h>
13#include <asm/arch/gpio.h>
14#include <asm/arch/clk.h>
15#include <debug_uart.h>
16#include <env.h>
17#include <linux/ctype.h>
18#include <spl.h>
19#include <asm/arch/atmel_mpddrc.h>
20#include <asm/arch/at91_wdt.h>
21
22DECLARE_GLOBAL_DATA_PTR;
23
24
25
26
27
28
29#ifdef CONFIG_NAND_ATMEL
30void sama5d3xek_nand_hw_init(void)
31{
32 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
33
34 at91_periph_clk_enable(ATMEL_ID_SMC);
35
36
37 writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) |
38 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1),
39 &smc->cs[3].setup);
40 writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) |
41 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5),
42 &smc->cs[3].pulse);
43 writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
44 &smc->cs[3].cycle);
45 writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) |
46 AT91_SMC_TIMINGS_TAR(3) | AT91_SMC_TIMINGS_TRR(4) |
47 AT91_SMC_TIMINGS_TWB(5) | AT91_SMC_TIMINGS_RBNSEL(3)|
48 AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
49 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
50 AT91_SMC_MODE_EXNW_DISABLE |
51#ifdef CONFIG_SYS_NAND_DBW_16
52 AT91_SMC_MODE_DBW_16 |
53#else
54 AT91_SMC_MODE_DBW_8 |
55#endif
56 AT91_SMC_MODE_TDF_CYCLE(3),
57 &smc->cs[3].mode);
58}
59#endif
60
61#ifdef CONFIG_MTD_NOR_FLASH
62static void sama5d3xek_nor_hw_init(void)
63{
64 struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
65
66 at91_periph_clk_enable(ATMEL_ID_SMC);
67
68
69 writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
70 AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(0),
71 &smc->cs[0].setup);
72 writel(AT91_SMC_PULSE_NWE(10) | AT91_SMC_PULSE_NCS_WR(11) |
73 AT91_SMC_PULSE_NRD(10) | AT91_SMC_PULSE_NCS_RD(11),
74 &smc->cs[0].pulse);
75 writel(AT91_SMC_CYCLE_NWE(11) | AT91_SMC_CYCLE_NRD(14),
76 &smc->cs[0].cycle);
77 writel(AT91_SMC_TIMINGS_TCLR(0) | AT91_SMC_TIMINGS_TADL(0) |
78 AT91_SMC_TIMINGS_TAR(0) | AT91_SMC_TIMINGS_TRR(0) |
79 AT91_SMC_TIMINGS_TWB(0) | AT91_SMC_TIMINGS_RBNSEL(0)|
80 AT91_SMC_TIMINGS_NFSEL(0), &smc->cs[0].timings);
81 writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
82 AT91_SMC_MODE_EXNW_DISABLE |
83 AT91_SMC_MODE_DBW_16 |
84 AT91_SMC_MODE_TDF_CYCLE(1),
85 &smc->cs[0].mode);
86
87
88 at91_pio3_set_a_periph(AT91_PIO_PORTE, 1, 0);
89 at91_pio3_set_a_periph(AT91_PIO_PORTE, 2, 0);
90 at91_pio3_set_a_periph(AT91_PIO_PORTE, 3, 0);
91 at91_pio3_set_a_periph(AT91_PIO_PORTE, 4, 0);
92 at91_pio3_set_a_periph(AT91_PIO_PORTE, 5, 0);
93 at91_pio3_set_a_periph(AT91_PIO_PORTE, 6, 0);
94 at91_pio3_set_a_periph(AT91_PIO_PORTE, 7, 0);
95 at91_pio3_set_a_periph(AT91_PIO_PORTE, 8, 0);
96 at91_pio3_set_a_periph(AT91_PIO_PORTE, 9, 0);
97 at91_pio3_set_a_periph(AT91_PIO_PORTE, 10, 0);
98 at91_pio3_set_a_periph(AT91_PIO_PORTE, 11, 0);
99 at91_pio3_set_a_periph(AT91_PIO_PORTE, 12, 0);
100 at91_pio3_set_a_periph(AT91_PIO_PORTE, 13, 0);
101 at91_pio3_set_a_periph(AT91_PIO_PORTE, 14, 0);
102 at91_pio3_set_a_periph(AT91_PIO_PORTE, 15, 0);
103 at91_pio3_set_a_periph(AT91_PIO_PORTE, 16, 0);
104 at91_pio3_set_a_periph(AT91_PIO_PORTE, 17, 0);
105 at91_pio3_set_a_periph(AT91_PIO_PORTE, 18, 0);
106 at91_pio3_set_a_periph(AT91_PIO_PORTE, 19, 0);
107 at91_pio3_set_a_periph(AT91_PIO_PORTE, 20, 0);
108 at91_pio3_set_a_periph(AT91_PIO_PORTE, 21, 0);
109 at91_pio3_set_a_periph(AT91_PIO_PORTE, 22, 0);
110 at91_pio3_set_a_periph(AT91_PIO_PORTE, 23, 0);
111
112 at91_pio3_set_a_periph(AT91_PIO_PORTE, 26, 0);
113}
114#endif
115
116#ifdef CONFIG_CMD_USB
117static void sama5d3xek_usb_hw_init(void)
118{
119 at91_set_pio_output(AT91_PIO_PORTD, 25, 0);
120 at91_set_pio_output(AT91_PIO_PORTD, 26, 0);
121 at91_set_pio_output(AT91_PIO_PORTD, 27, 0);
122}
123#endif
124
125#ifdef CONFIG_GENERIC_ATMEL_MCI
126static void sama5d3xek_mci_hw_init(void)
127{
128 at91_set_pio_output(AT91_PIO_PORTB, 10, 0);
129}
130#endif
131
132#ifdef CONFIG_DEBUG_UART_BOARD_INIT
133void board_debug_uart_init(void)
134{
135 at91_seriald_hw_init();
136}
137#endif
138
139#ifdef CONFIG_BOARD_EARLY_INIT_F
140int board_early_init_f(void)
141{
142#ifdef CONFIG_DEBUG_UART
143 debug_uart_init();
144#endif
145 return 0;
146}
147#endif
148
149int board_init(void)
150{
151
152 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
153
154#ifdef CONFIG_NAND_ATMEL
155 sama5d3xek_nand_hw_init();
156#endif
157#ifdef CONFIG_MTD_NOR_FLASH
158 sama5d3xek_nor_hw_init();
159#endif
160#ifdef CONFIG_CMD_USB
161 sama5d3xek_usb_hw_init();
162#endif
163#ifdef CONFIG_GENERIC_ATMEL_MCI
164 sama5d3xek_mci_hw_init();
165#endif
166 return 0;
167}
168
169int dram_init(void)
170{
171 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
172 CONFIG_SYS_SDRAM_SIZE);
173 return 0;
174}
175
176#ifdef CONFIG_BOARD_LATE_INIT
177int board_late_init(void)
178{
179#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
180 const int MAX_STR_LEN = 32;
181 char name[MAX_STR_LEN], *p;
182 int i;
183
184 strncpy(name, get_cpu_name(), MAX_STR_LEN);
185 for (i = 0, p = name; (*p) && (i < MAX_STR_LEN); p++, i++)
186 *p = tolower(*p);
187
188 strcat(name, "ek.dtb");
189 env_set("dtb_name", name);
190#endif
191#ifdef CONFIG_DM_VIDEO
192 at91_video_show_board_info();
193#endif
194 return 0;
195}
196#endif
197
198
199#ifdef CONFIG_SPL_BUILD
200void spl_board_init(void)
201{
202#if CONFIG_NAND_BOOT
203 sama5d3xek_nand_hw_init();
204#endif
205}
206
207static void ddr2_conf(struct atmel_mpddrc_config *ddr2)
208{
209 ddr2->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM);
210
211 ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
212 ATMEL_MPDDRC_CR_NR_ROW_14 |
213 ATMEL_MPDDRC_CR_CAS_DDR_CAS3 |
214 ATMEL_MPDDRC_CR_ENRDM_ON |
215 ATMEL_MPDDRC_CR_NB_8BANKS |
216 ATMEL_MPDDRC_CR_NDQS_DISABLED |
217 ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
218 ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
219
220
221
222
223 ddr2->rtr = 0x411;
224
225 ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |
226 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |
227 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET |
228 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET |
229 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET |
230 2 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET |
231 2 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET |
232 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET);
233
234 ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET |
235 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET |
236 28 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET |
237 26 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET);
238
239 ddr2->tpr2 = (7 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET |
240 2 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET |
241 2 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET |
242 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET |
243 8 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET);
244}
245
246void mem_init(void)
247{
248 struct atmel_mpddrc_config ddr2;
249
250 ddr2_conf(&ddr2);
251
252
253 at91_periph_clk_enable(ATMEL_ID_MPDDRC);
254 at91_system_clk_enable(AT91_PMC_DDR);
255
256
257 ddr2_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddr2);
258}
259
260void at91_pmc_init(void)
261{
262 u32 tmp;
263
264 tmp = AT91_PMC_PLLAR_29 |
265 AT91_PMC_PLLXR_PLLCOUNT(0x3f) |
266 AT91_PMC_PLLXR_MUL(43) |
267 AT91_PMC_PLLXR_DIV(1);
268 at91_plla_init(tmp);
269
270 at91_pllicpr_init(AT91_PMC_IPLL_PLLA(0x3));
271
272 tmp = AT91_PMC_MCKR_MDIV_4 |
273 AT91_PMC_MCKR_CSS_PLLA;
274 at91_mck_init(tmp);
275}
276#endif
277
