2 * Keystone : Board initialization
5 * Texas Instruments Incorporated, <www.ti.com>
7 * SPDX-License-Identifier: GPL-2.0+
14 #include <fdt_support.h>
15 #include <asm/arch/ddr3.h>
16 #include <asm/arch/psc_defs.h>
17 #include <asm/arch/clock.h>
18 #include <asm/ti-common/ti-aemif.h>
19 #include <asm/ti-common/keystone_net.h>
21 DECLARE_GLOBAL_DATA_PTR
;
23 static struct aemif_config aemif_configs
[] = {
25 .mode
= AEMIF_MODE_NAND
,
33 .width
= AEMIF_WIDTH_8
,
41 ddr3_size
= ddr3_init();
43 gd
->ram_size
= get_ram_size((long *)CONFIG_SYS_SDRAM_BASE
,
44 CONFIG_MAX_RAM_BANK_SIZE
);
45 aemif_init(ARRAY_SIZE(aemif_configs
), aemif_configs
);
47 ddr3_init_ecc(KS2_DDR3A_EMIF_CTRL_BASE
, ddr3_size
);
53 gd
->bd
->bi_boot_params
= CONFIG_SYS_SDRAM_BASE
+ 0x100;
58 #ifdef CONFIG_DRIVER_TI_KEYSTONE_NET
60 int get_eth_env_param(char *env_name
)
65 env
= getenv(env_name
);
67 res
= simple_strtol(env
, NULL
, 0);
72 int board_eth_init(bd_t
*bis
)
77 char link_type_name
[32];
80 writel(KS2_ETHERNET_RGMII
, KS2_ETHERNET_CFG
);
82 /* By default, select PA PLL clock as PA clock source */
83 #ifndef CONFIG_SOC_K2G
84 if (psc_enable_module(KS2_LPSC_PA
))
87 if (psc_enable_module(KS2_LPSC_CPGMAC
))
89 if (psc_enable_module(KS2_LPSC_CRYPTO
))
92 if (cpu_is_k2e() || cpu_is_k2l())
95 port_num
= get_num_eth_ports();
97 for (j
= 0; j
< port_num
; j
++) {
98 sprintf(link_type_name
, "sgmii%d_link_type", j
);
99 res
= get_eth_env_param(link_type_name
);
101 eth_priv_cfg
[j
].sgmii_link_type
= res
;
103 keystone2_emac_initialize(ð_priv_cfg
[j
]);
111 #ifdef CONFIG_SPL_BUILD
112 void spl_board_init(void)
114 spl_init_keystone_plls();
115 preloader_console_init();
118 u32
spl_boot_device(void)
120 #if defined(CONFIG_SPL_SPI_LOAD)
121 return BOOT_DEVICE_SPI
;
123 puts("Unknown boot device\n");
129 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
130 int ft_board_setup(void *blob
, bd_t
*bd
)
140 int unitrd_fixup
= 0;
142 env
= getenv("mem_lpae");
143 lpae
= env
&& simple_strtol(env
, NULL
, 0);
144 env
= getenv("uinitrd_fixup");
145 unitrd_fixup
= env
&& simple_strtol(env
, NULL
, 0);
149 ddr3a_size
= ddr3_get_size();
150 if ((ddr3a_size
!= 8) && (ddr3a_size
!= 4))
155 start
[0] = bd
->bi_dram
[0].start
;
156 size
[0] = bd
->bi_dram
[0].size
;
158 /* adjust memory start address for LPAE */
160 start
[0] -= CONFIG_SYS_SDRAM_BASE
;
161 start
[0] += CONFIG_SYS_LPAE_SDRAM_BASE
;
164 if ((size
[0] == 0x80000000) && (ddr3a_size
!= 0)) {
165 size
[1] = ((u64
)ddr3a_size
- 2) << 30;
166 start
[1] = 0x880000000;
170 /* reserve memory at start of bank */
171 env
= getenv("mem_reserve_head");
173 start
[0] += ustrtoul(env
, &endp
, 0);
174 size
[0] -= ustrtoul(env
, &endp
, 0);
177 env
= getenv("mem_reserve");
179 size
[0] -= ustrtoul(env
, &endp
, 0);
181 fdt_fixup_memory_banks(blob
, start
, size
, nbanks
);
183 /* Fix up the initrd */
184 if (lpae
&& unitrd_fixup
) {
187 u64 initrd_start
, initrd_end
;
189 nodeoffset
= fdt_path_offset(blob
, "/chosen");
190 if (nodeoffset
>= 0) {
191 prop1
= (u32
*)fdt_getprop(blob
, nodeoffset
,
192 "linux,initrd-start", NULL
);
193 prop2
= (u32
*)fdt_getprop(blob
, nodeoffset
,
194 "linux,initrd-end", NULL
);
195 if (prop1
&& prop2
) {
196 initrd_start
= __be32_to_cpu(*prop1
);
197 initrd_start
-= CONFIG_SYS_SDRAM_BASE
;
198 initrd_start
+= CONFIG_SYS_LPAE_SDRAM_BASE
;
199 initrd_start
= __cpu_to_be64(initrd_start
);
200 initrd_end
= __be32_to_cpu(*prop2
);
201 initrd_end
-= CONFIG_SYS_SDRAM_BASE
;
202 initrd_end
+= CONFIG_SYS_LPAE_SDRAM_BASE
;
203 initrd_end
= __cpu_to_be64(initrd_end
);
205 err
= fdt_delprop(blob
, nodeoffset
,
206 "linux,initrd-start");
208 puts("error deleting initrd-start\n");
210 err
= fdt_delprop(blob
, nodeoffset
,
213 puts("error deleting initrd-end\n");
215 err
= fdt_setprop(blob
, nodeoffset
,
216 "linux,initrd-start",
218 sizeof(initrd_start
));
220 puts("error adding initrd-start\n");
222 err
= fdt_setprop(blob
, nodeoffset
,
227 puts("error adding linux,initrd-end\n");
235 void ft_board_setup_ex(void *blob
, bd_t
*bd
)
242 env
= getenv("mem_lpae");
243 lpae
= env
&& simple_strtol(env
, NULL
, 0);
247 * the initrd and other reserved memory areas are
248 * embedded in in the DTB itslef. fix up these addresses
251 reserve_start
= (u64
*)((char *)blob
+
252 fdt_off_mem_rsvmap(blob
));
254 *reserve_start
= __cpu_to_be64(*reserve_start
);
255 size
= __cpu_to_be64(*(reserve_start
+ 1));
257 *reserve_start
-= CONFIG_SYS_SDRAM_BASE
;
259 CONFIG_SYS_LPAE_SDRAM_BASE
;
261 __cpu_to_be64(*reserve_start
);
269 ddr3_check_ecc_int(KS2_DDR3A_EMIF_CTRL_BASE
);