2 * Copyright 2010-2011 Calxeda, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/sizes.h>
15 #define HB_AHCI_BASE 0xffe08000
17 #define HB_SREG_A9_PWR_REQ 0xfff3cf00
18 #define HB_SREG_A9_BOOT_SRC_STAT 0xfff3cf04
19 #define HB_SREG_A9_PWRDOM_STAT 0xfff3cf20
21 #define HB_PWR_SUSPEND 0
22 #define HB_PWR_SOFT_RESET 1
23 #define HB_PWR_HARD_RESET 2
24 #define HB_PWR_SHUTDOWN 3
26 #define PWRDOM_STAT_SATA 0x80000000
27 #define PWRDOM_STAT_PCI 0x40000000
28 #define PWRDOM_STAT_EMMC 0x20000000
30 DECLARE_GLOBAL_DATA_PTR;
33 * Miscellaneous platform dependent initialisations
42 /* We know all the init functions have been run now */
43 int board_eth_init(bd_t *bis)
47 #ifdef CONFIG_CALXEDA_XGMAC
48 rc += calxedaxgmac_initialize(0, 0xfff50000);
49 rc += calxedaxgmac_initialize(1, 0xfff51000);
54 #ifdef CONFIG_SCSI_AHCI_PLAT
57 u32 reg = readl(HB_SREG_A9_PWRDOM_STAT);
59 if (reg & PWRDOM_STAT_SATA) {
60 ahci_init(HB_AHCI_BASE);
66 #ifdef CONFIG_MISC_INIT_R
72 boot_choice = readl(HB_SREG_A9_BOOT_SRC_STAT) & 0xff;
73 sprintf(envbuffer, "bootcmd%d", boot_choice);
74 if (getenv(envbuffer)) {
75 sprintf(envbuffer, "run bootcmd%d", boot_choice);
76 setenv("bootcmd", envbuffer);
78 setenv("bootcmd", "");
86 gd->ram_size = SZ_512M;
90 void dram_init_banksize(void)
92 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
93 gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
96 #if defined(CONFIG_OF_BOARD_SETUP)
97 void ft_board_setup(void *fdt, bd_t *bd)
99 static const char disabled[] = "disabled";
100 u32 reg = readl(HB_SREG_A9_PWRDOM_STAT);
102 if (!(reg & PWRDOM_STAT_SATA))
103 do_fixup_by_compat(fdt, "calxeda,hb-ahci", "status",
104 disabled, sizeof(disabled), 1);
106 if (!(reg & PWRDOM_STAT_EMMC))
107 do_fixup_by_compat(fdt, "calxeda,hb-sdhci", "status",
108 disabled, sizeof(disabled), 1);
112 void reset_cpu(ulong addr)
114 writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);