board_f: Drop setup_dram_config() wrapper
[oweals/u-boot.git] / board / ronetix / pm9g45 / pm9g45.c
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
8  * Stelian Pop <stelian@popies.net>
9  * Lead Tech Design <www.leadtechdesign.com>
10  *
11  * SPDX-License-Identifier:     GPL-2.0+
12  */
13
14 #include <common.h>
15 #include <linux/sizes.h>
16 #include <asm/io.h>
17 #include <asm/gpio.h>
18 #include <asm/arch/at91sam9_smc.h>
19 #include <asm/arch/at91_common.h>
20 #include <asm/arch/at91_rstc.h>
21 #include <asm/arch/at91_matrix.h>
22 #include <asm/arch/gpio.h>
23 #include <asm/arch/clk.h>
24 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
25 #include <net.h>
26 #endif
27 #include <netdev.h>
28
29 DECLARE_GLOBAL_DATA_PTR;
30
31 /*
32  * Miscelaneous platform dependent initialisations
33  */
34
35 #ifdef CONFIG_CMD_NAND
36 static void pm9g45_nand_hw_init(void)
37 {
38         unsigned long csa;
39         struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
40         struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
41
42         /* Enable CS3 */
43         csa = readl(&matrix->ccr[6]) | AT91_MATRIX_CSA_EBI_CS3A;
44         writel(csa, &matrix->ccr[6]);
45
46         /* Configure SMC CS3 for NAND/SmartMedia */
47         writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
48                 AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
49                 &smc->cs[3].setup);
50
51         writel(AT91_SMC_PULSE_NWE(4) | AT91_SMC_PULSE_NCS_WR(3) |
52                 AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(2),
53                 &smc->cs[3].pulse);
54
55         writel(AT91_SMC_CYCLE_NWE(7) | AT91_SMC_CYCLE_NRD(4),
56                 &smc->cs[3].cycle);
57
58         writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
59                 AT91_SMC_MODE_EXNW_DISABLE |
60                 AT91_SMC_MODE_DBW_8 |
61                 AT91_SMC_MODE_TDF_CYCLE(3),
62                 &smc->cs[3].mode);
63
64         at91_periph_clk_enable(ATMEL_ID_PIOC);
65
66 #ifdef CONFIG_SYS_NAND_READY_PIN
67         /* Configure RDY/BSY */
68         gpio_direction_input(CONFIG_SYS_NAND_READY_PIN);
69 #endif
70
71         /* Enable NandFlash */
72         gpio_direction_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
73 }
74 #endif
75
76 #ifdef CONFIG_MACB
77 static void pm9g45_macb_hw_init(void)
78 {
79         /*
80          * PD2 enables the 50MHz oscillator for Ethernet PHY
81          * 1 - enable
82          * 0 - disable
83          */
84         at91_set_pio_output(AT91_PIO_PORTD, 2, 1);
85         at91_set_pio_value(AT91_PIO_PORTD, 2, 1); /* 1- enable, 0 - disable */
86
87         at91_periph_clk_enable(ATMEL_ID_EMAC);
88
89         /*
90          * Disable pull-up on:
91          *      RXDV (PA15) => PHY normal mode (not Test mode)
92          *      ERX0 (PA12) => PHY ADDR0
93          *      ERX1 (PA13) => PHY ADDR1 => PHYADDR = 0x0
94          *
95          * PHY has internal pull-down
96          */
97         at91_set_pio_pullup(AT91_PIO_PORTA, 15, 0);
98         at91_set_pio_pullup(AT91_PIO_PORTA, 12, 0);
99         at91_set_pio_pullup(AT91_PIO_PORTA, 13, 0);
100
101         /* Re-enable pull-up */
102         at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1);
103         at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1);
104         at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1);
105
106         at91_macb_hw_init();
107 }
108 #endif
109
110 int board_early_init_f(void)
111 {
112         at91_periph_clk_enable(ATMEL_ID_PIOA);
113         at91_periph_clk_enable(ATMEL_ID_PIOB);
114         at91_periph_clk_enable(ATMEL_ID_PIOC);
115         at91_periph_clk_enable(ATMEL_ID_PIODE);
116
117         at91_seriald_hw_init();
118
119         return 0;
120 }
121
122 int board_init(void)
123 {
124         /* arch number of AT91SAM9M10G45EK-Board */
125         gd->bd->bi_arch_number = MACH_TYPE_PM9G45;
126         /* adress of boot parameters */
127         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
128
129 #ifdef CONFIG_CMD_NAND
130         pm9g45_nand_hw_init();
131 #endif
132
133 #ifdef CONFIG_MACB
134         pm9g45_macb_hw_init();
135 #endif
136         return 0;
137 }
138
139 int dram_init(void)
140 {
141         /* dram_init must store complete ramsize in gd->ram_size */
142         gd->ram_size = get_ram_size((void *)PHYS_SDRAM,
143                                 PHYS_SDRAM_SIZE);
144         return 0;
145 }
146
147 int dram_init_banksize(void)
148 {
149         gd->bd->bi_dram[0].start = PHYS_SDRAM;
150         gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
151
152         return 0;
153 }
154
155 #ifdef CONFIG_RESET_PHY_R
156 void reset_phy(void)
157 {
158 #ifdef CONFIG_MACB
159         /*
160          * Initialize ethernet HW addr prior to starting Linux,
161          * needed for nfsroot
162          */
163         eth_init();
164 #endif
165 }
166 #endif
167
168 int board_eth_init(bd_t *bis)
169 {
170         int rc = 0;
171 #ifdef CONFIG_MACB
172         rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x01);
173 #endif
174         return rc;
175 }