2 * (C) Copyright 2007-2011
3 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
4 * Tom Cubie <tangliang@allwinnertech.com>
6 * SPDX-License-Identifier: GPL-2.0+
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/clock.h>
16 #ifdef CONFIG_MACH_SUN6I
17 int sunxi_get_ss_bonding_id(void)
19 struct sunxi_ccm_reg * const ccm =
20 (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
21 static int bonding_id = -1;
26 /* Enable Security System */
27 setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_SS);
28 setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_SS);
30 bonding_id = readl(SUNXI_SS_BASE);
31 bonding_id = (bonding_id >> 16) & 0x7;
33 /* Disable Security System again */
34 clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_SS);
35 clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_SS);
41 #ifdef CONFIG_DISPLAY_CPUINFO
42 int print_cpuinfo(void)
44 #ifdef CONFIG_MACH_SUN4I
45 puts("CPU: Allwinner A10 (SUN4I)\n");
46 #elif defined CONFIG_MACH_SUN5I
47 u32 val = readl(SUNXI_SID_BASE + 0x08);
48 switch ((val >> 12) & 0xf) {
49 case 0: puts("CPU: Allwinner A12 (SUN5I)\n"); break;
50 case 3: puts("CPU: Allwinner A13 (SUN5I)\n"); break;
51 case 7: puts("CPU: Allwinner A10s (SUN5I)\n"); break;
52 default: puts("CPU: Allwinner A1X (SUN5I)\n");
54 #elif defined CONFIG_MACH_SUN6I
55 switch (sunxi_get_ss_bonding_id()) {
56 case SUNXI_SS_BOND_ID_A31:
57 puts("CPU: Allwinner A31 (SUN6I)\n");
59 case SUNXI_SS_BOND_ID_A31S:
60 puts("CPU: Allwinner A31s (SUN6I)\n");
63 printf("CPU: Allwinner A31? (SUN6I, id: %d)\n",
64 sunxi_get_ss_bonding_id());
66 #elif defined CONFIG_MACH_SUN7I
67 puts("CPU: Allwinner A20 (SUN7I)\n");
68 #elif defined CONFIG_MACH_SUN8I_A23
69 puts("CPU: Allwinner A23 (SUN8I)\n");
70 #elif defined CONFIG_MACH_SUN8I_A33
71 puts("CPU: Allwinner A33 (SUN8I)\n");
72 #elif defined CONFIG_MACH_SUN9I
73 puts("CPU: Allwinner A80 (SUN9I)\n");
75 #warning Please update cpu_info.c with correct CPU information
76 puts("CPU: SUNXI Family\n");
82 int sunxi_get_sid(unsigned int *sid)
84 #ifdef CONFIG_AXP221_POWER
85 return axp221_get_sid(sid);
86 #elif defined SUNXI_SID_BASE
89 for (i = 0; i< 4; i++)
90 sid[i] = readl(SUNXI_SID_BASE + 4 * i);