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b5d289fc AD |
1 | /* |
2 | * (C) Copyright 2010 | |
3 | * Ilko Iliev <iliev@ronetix.at> | |
4 | * Asen Dimov <dimov@ronetix.at> | |
5 | * Ronetix GmbH <www.ronetix.at> | |
6 | * | |
7 | * (C) Copyright 2007-2008 | |
c9e798d3 | 8 | * Stelian Pop <stelian@popies.net> |
b5d289fc AD |
9 | * Lead Tech Design <www.leadtechdesign.com> |
10 | * | |
11 | * See file CREDITS for list of people who contributed to this | |
12 | * project. | |
13 | * | |
14 | * This program is free software; you can redistribute it and/or | |
15 | * modify it under the terms of the GNU General Public License as | |
16 | * published by the Free Software Foundation; either version 2 of | |
17 | * the License, or (at your option) any later version. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with this program; if not, write to the Free Software | |
26 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
27 | * MA 02111-1307 USA | |
28 | */ | |
29 | ||
30 | #include <common.h> | |
31 | #include <asm/sizes.h> | |
eb6e608b | 32 | #include <asm/io.h> |
b5d289fc AD |
33 | #include <asm/arch/at91sam9_smc.h> |
34 | #include <asm/arch/at91_common.h> | |
35 | #include <asm/arch/at91_pmc.h> | |
36 | #include <asm/arch/at91_rstc.h> | |
37 | #include <asm/arch/at91_matrix.h> | |
eb6e608b | 38 | #include <asm/arch/gpio.h> |
b5d289fc | 39 | #include <asm/arch/clk.h> |
b5d289fc AD |
40 | #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) |
41 | #include <net.h> | |
42 | #endif | |
43 | #include <netdev.h> | |
44 | ||
45 | DECLARE_GLOBAL_DATA_PTR; | |
46 | ||
47 | /* | |
48 | * Miscelaneous platform dependent initialisations | |
49 | */ | |
50 | ||
51 | #ifdef CONFIG_CMD_NAND | |
52 | static void pm9g45_nand_hw_init(void) | |
53 | { | |
54 | unsigned long csa; | |
eb6e608b AD |
55 | struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; |
56 | struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; | |
57 | struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; | |
b5d289fc AD |
58 | |
59 | /* Enable CS3 */ | |
60 | csa = readl(&matrix->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A; | |
61 | writel(csa, &matrix->ccr[6]); | |
62 | ||
63 | /* Configure SMC CS3 for NAND/SmartMedia */ | |
64 | writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | | |
65 | AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), | |
66 | &smc->cs[3].setup); | |
67 | ||
68 | writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) | | |
69 | AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2), | |
70 | &smc->cs[3].pulse); | |
71 | ||
72 | writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4), | |
73 | &smc->cs[3].cycle); | |
74 | ||
75 | writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | | |
76 | AT91_SMC_MODE_EXNW_DISABLE | | |
77 | AT91_SMC_MODE_DBW_8 | | |
78 | AT91_SMC_MODE_TDF_CYCLE(3), | |
79 | &smc->cs[3].mode); | |
80 | ||
eb6e608b | 81 | writel(1 << ATMEL_ID_PIOC, &pmc->pcer); |
b5d289fc AD |
82 | |
83 | #ifdef CONFIG_SYS_NAND_READY_PIN | |
84 | /* Configure RDY/BSY */ | |
85 | at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1); | |
86 | #endif | |
87 | ||
88 | /* Enable NandFlash */ | |
89 | at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); | |
90 | } | |
91 | #endif | |
92 | ||
93 | #ifdef CONFIG_MACB | |
94 | static void pm9g45_macb_hw_init(void) | |
95 | { | |
eb6e608b | 96 | struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; |
b5d289fc AD |
97 | |
98 | /* | |
99 | * PD2 enables the 50MHz oscillator for Ethernet PHY | |
100 | * 1 - enable | |
101 | * 0 - disable | |
102 | */ | |
103 | at91_set_pio_output(AT91_PIO_PORTD, 2, 1); | |
104 | at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */ | |
105 | ||
106 | /* Enable clock */ | |
eb6e608b | 107 | writel(1 << ATMEL_ID_EMAC, &pmc->pcer); |
b5d289fc AD |
108 | |
109 | /* | |
110 | * Disable pull-up on: | |
111 | * RXDV (PA15) => PHY normal mode (not Test mode) | |
112 | * ERX0 (PA12) => PHY ADDR0 | |
113 | * ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0 | |
114 | * | |
115 | * PHY has internal pull-down | |
116 | */ | |
117 | at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0); | |
118 | at91_set_pio_pullup(AT91_PIO_PORTA, 12, 0); | |
119 | at91_set_pio_pullup(AT91_PIO_PORTA, 13, 0); | |
120 | ||
121 | /* Re-enable pull-up */ | |
122 | at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1); | |
123 | at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1); | |
124 | at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1); | |
125 | ||
126 | at91_macb_hw_init(); | |
127 | } | |
128 | #endif | |
129 | ||
130 | int board_init(void) | |
131 | { | |
eb6e608b | 132 | struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; |
b5d289fc AD |
133 | |
134 | /* Enable Ctrlc */ | |
135 | console_init_f(); | |
136 | ||
eb6e608b AD |
137 | writel((1 << ATMEL_ID_PIOA) | |
138 | (1 << ATMEL_ID_PIOB) | | |
139 | (1 << ATMEL_ID_PIOC) | | |
140 | (1 << ATMEL_ID_PIODE), &pmc->pcer); | |
b5d289fc | 141 | |
b5d289fc AD |
142 | /* adress of boot parameters */ |
143 | gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; | |
144 | ||
eb6e608b | 145 | at91_seriald_hw_init(); |
b5d289fc AD |
146 | #ifdef CONFIG_CMD_NAND |
147 | pm9g45_nand_hw_init(); | |
148 | #endif | |
149 | ||
150 | #ifdef CONFIG_MACB | |
151 | pm9g45_macb_hw_init(); | |
152 | #endif | |
153 | return 0; | |
154 | } | |
155 | ||
156 | int dram_init(void) | |
510f794c AD |
157 | { |
158 | /* dram_init must store complete ramsize in gd->ram_size */ | |
a55d23cc | 159 | gd->ram_size = get_ram_size((void *)PHYS_SDRAM, |
510f794c AD |
160 | PHYS_SDRAM_SIZE); |
161 | return 0; | |
162 | } | |
163 | ||
164 | void dram_init_banksize(void) | |
b5d289fc AD |
165 | { |
166 | gd->bd->bi_dram[0].start = PHYS_SDRAM; | |
167 | gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; | |
b5d289fc AD |
168 | } |
169 | ||
170 | #ifdef CONFIG_RESET_PHY_R | |
171 | void reset_phy(void) | |
172 | { | |
173 | #ifdef CONFIG_MACB | |
174 | /* | |
175 | * Initialize ethernet HW addr prior to starting Linux, | |
176 | * needed for nfsroot | |
177 | */ | |
178 | eth_init(gd->bd); | |
179 | #endif | |
180 | } | |
181 | #endif | |
182 | ||
183 | int board_eth_init(bd_t *bis) | |
184 | { | |
185 | int rc = 0; | |
186 | #ifdef CONFIG_MACB | |
eb6e608b | 187 | rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01); |
b5d289fc AD |
188 | #endif |
189 | return rc; | |
190 | } |