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https://github.com/brain-hackers/u-boot-brain
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e6e505b93c
Some of the code in arch/arm/cpu/armv7/sunxi is actually armv7 specific, while most of it is just generic code that could as well be used on an AArch64 SoC. Move all files that are not really tied to armv7 into a new mach-sunxi directory. Signed-off-by: Alexander Graf <agraf@suse.de> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/*
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* (C) Copyright 2007-2011
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Tom Cubie <tangliang@allwinnertech.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/clock.h>
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#include <axp_pmic.h>
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#include <errno.h>
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#ifdef CONFIG_MACH_SUN6I
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int sunxi_get_ss_bonding_id(void)
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{
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struct sunxi_ccm_reg * const ccm =
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(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
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static int bonding_id = -1;
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if (bonding_id != -1)
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return bonding_id;
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/* Enable Security System */
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setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_SS);
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setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_SS);
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bonding_id = readl(SUNXI_SS_BASE);
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bonding_id = (bonding_id >> 16) & 0x7;
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/* Disable Security System again */
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clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_SS);
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clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_SS);
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return bonding_id;
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}
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#endif
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#ifdef CONFIG_MACH_SUN8I
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uint sunxi_get_sram_id(void)
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{
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uint id;
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/* Unlock sram info reg, read it, relock */
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setbits_le32(SUNXI_SRAMC_BASE + 0x24, (1 << 15));
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id = readl(SUNXI_SRAMC_BASE + 0x24) >> 16;
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clrbits_le32(SUNXI_SRAMC_BASE + 0x24, (1 << 15));
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return id;
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}
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#endif
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#ifdef CONFIG_DISPLAY_CPUINFO
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int print_cpuinfo(void)
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{
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#ifdef CONFIG_MACH_SUN4I
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puts("CPU: Allwinner A10 (SUN4I)\n");
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#elif defined CONFIG_MACH_SUN5I
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u32 val = readl(SUNXI_SID_BASE + 0x08);
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switch ((val >> 12) & 0xf) {
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case 0: puts("CPU: Allwinner A12 (SUN5I)\n"); break;
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case 3: puts("CPU: Allwinner A13 (SUN5I)\n"); break;
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case 7: puts("CPU: Allwinner A10s (SUN5I)\n"); break;
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default: puts("CPU: Allwinner A1X (SUN5I)\n");
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}
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#elif defined CONFIG_MACH_SUN6I
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switch (sunxi_get_ss_bonding_id()) {
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case SUNXI_SS_BOND_ID_A31:
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puts("CPU: Allwinner A31 (SUN6I)\n");
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break;
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case SUNXI_SS_BOND_ID_A31S:
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puts("CPU: Allwinner A31s (SUN6I)\n");
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break;
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default:
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printf("CPU: Allwinner A31? (SUN6I, id: %d)\n",
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sunxi_get_ss_bonding_id());
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}
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#elif defined CONFIG_MACH_SUN7I
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puts("CPU: Allwinner A20 (SUN7I)\n");
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#elif defined CONFIG_MACH_SUN8I_A23
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printf("CPU: Allwinner A23 (SUN8I %04x)\n", sunxi_get_sram_id());
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#elif defined CONFIG_MACH_SUN8I_A33
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printf("CPU: Allwinner A33 (SUN8I %04x)\n", sunxi_get_sram_id());
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#elif defined CONFIG_MACH_SUN8I_A83T
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printf("CPU: Allwinner A83T (SUN8I %04x)\n", sunxi_get_sram_id());
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#elif defined CONFIG_MACH_SUN8I_H3
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printf("CPU: Allwinner H3 (SUN8I %04x)\n", sunxi_get_sram_id());
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#elif defined CONFIG_MACH_SUN9I
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puts("CPU: Allwinner A80 (SUN9I)\n");
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#else
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#warning Please update cpu_info.c with correct CPU information
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puts("CPU: SUNXI Family\n");
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#endif
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return 0;
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}
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#endif
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int sunxi_get_sid(unsigned int *sid)
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{
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#ifdef CONFIG_AXP221_POWER
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return axp_get_sid(sid);
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#elif defined SUNXI_SID_BASE
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int i;
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for (i = 0; i< 4; i++)
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sid[i] = readl(SUNXI_SID_BASE + 4 * i);
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return 0;
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#else
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return -ENODEV;
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#endif
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}
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