diff options
Diffstat (limited to 'target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c')
| -rw-r--r-- | target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c b/target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c deleted file mode 100644 index dd1b2b170d..0000000000 --- a/target/linux/realtek/files-5.10/arch/mips/rtl838x/prom.c +++ /dev/null @@ -1,216 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * prom.c - * Early intialization code for the Realtek RTL838X SoC - * - * based on the original BSP by - * Copyright (C) 2006-2012 Tony Wu (tonywu@realtek.com) - * Copyright (C) 2020 B. Koblitz - * - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/of_fdt.h> -#include <linux/libfdt.h> -#include <asm/bootinfo.h> -#include <asm/addrspace.h> -#include <asm/page.h> -#include <asm/cpu.h> -#include <asm/fw/fw.h> -#include <asm/smp-ops.h> -#include <asm/mips-cps.h> - -#include <mach-rtl83xx.h> - -extern char arcs_cmdline[]; -extern const char __appended_dtb; - -struct rtl83xx_soc_info soc_info; -const void *fdt; - -#ifdef CONFIG_MIPS_MT_SMP -extern const struct plat_smp_ops vsmp_smp_ops; -static struct plat_smp_ops rtl_smp_ops; - -static void rtl_init_secondary(void) -{ -#ifndef CONFIG_CEVT_R4K -/* - * These devices are low on resources. There might be the chance that CEVT_R4K - * is not enabled in kernel build. Nevertheless the timer and interrupt 7 might - * be active by default after startup of secondary VPE. With no registered - * handler that leads to continuous unhandeled interrupts. In this case disable - * counting (DC) in the core and confirm a pending interrupt. - */ - write_c0_cause(read_c0_cause() | CAUSEF_DC); - write_c0_compare(0); -#endif /* CONFIG_CEVT_R4K */ -/* - * Enable all CPU interrupts, as everything is managed by the external - * controller. TODO: Standard vsmp_init_secondary() has special treatment for - * Malta if external GIC is available. Maybe we need this too. - */ - if (mips_gic_present()) - pr_warn("%s: GIC present. Maybe interrupt enabling required.\n", __func__); - else - set_c0_status(ST0_IM); -} -#endif /* CONFIG_MIPS_MT_SMP */ - -const char *get_system_type(void) -{ - return soc_info.name; -} - -void __init prom_free_prom_memory(void) -{ - -} - -void __init device_tree_init(void) -{ - if (!fdt_check_header(&__appended_dtb)) { - fdt = &__appended_dtb; - pr_info("Using appended Device Tree.\n"); - } - initial_boot_params = (void *)fdt; - unflatten_and_copy_device_tree(); -} - -void __init identify_rtl9302(void) -{ - switch (sw_r32(RTL93XX_MODEL_NAME_INFO) & 0xfffffff0) { - case 0x93020810: - soc_info.name = "RTL9302A 12x2.5G"; - break; - case 0x93021010: - soc_info.name = "RTL9302B 8x2.5G"; - break; - case 0x93021810: - soc_info.name = "RTL9302C 16x2.5G"; - break; - case 0x93022010: - soc_info.name = "RTL9302D 24x2.5G"; - break; - case 0x93020800: - soc_info.name = "RTL9302A"; - break; - case 0x93021000: - soc_info.name = "RTL9302B"; - break; - case 0x93021800: - soc_info.name = "RTL9302C"; - break; - case 0x93022000: - soc_info.name = "RTL9302D"; - break; - case 0x93023001: - soc_info.name = "RTL9302F"; - break; - default: - soc_info.name = "RTL9302"; - } -} - -void __init prom_init(void) -{ - uint32_t model; - - /* uart0 */ - setup_8250_early_printk_port(0xb8002000, 2, 0); - - model = sw_r32(RTL838X_MODEL_NAME_INFO); - pr_info("RTL838X model is %x\n", model); - model = model >> 16 & 0xFFFF; - - if ((model != 0x8328) && (model != 0x8330) && (model != 0x8332) - && (model != 0x8380) && (model != 0x8382)) { - model = sw_r32(RTL839X_MODEL_NAME_INFO); - pr_info("RTL839X model is %x\n", model); - model = model >> 16 & 0xFFFF; - } - - if ((model & 0x8390) != 0x8380 && (model & 0x8390) != 0x8390) { - model = sw_r32(RTL93XX_MODEL_NAME_INFO); - pr_info("RTL93XX model is %x\n", model); - model = model >> 16 & 0xFFFF; - } - - soc_info.id = model; - - switch (model) { - case 0x8328: - soc_info.name = "RTL8328"; - soc_info.family = RTL8328_FAMILY_ID; - break; - case 0x8332: - soc_info.name = "RTL8332"; - soc_info.family = RTL8380_FAMILY_ID; - break; - case 0x8380: - soc_info.name = "RTL8380"; - soc_info.family = RTL8380_FAMILY_ID; - break; - case 0x8382: - soc_info.name = "RTL8382"; - soc_info.family = RTL8380_FAMILY_ID; - break; - case 0x8390: - soc_info.name = "RTL8390"; - soc_info.family = RTL8390_FAMILY_ID; - break; - case 0x8391: - soc_info.name = "RTL8391"; - soc_info.family = RTL8390_FAMILY_ID; - break; - case 0x8392: - soc_info.name = "RTL8392"; - soc_info.family = RTL8390_FAMILY_ID; - break; - case 0x8393: - soc_info.name = "RTL8393"; - soc_info.family = RTL8390_FAMILY_ID; - break; - case 0x9301: - soc_info.name = "RTL9301"; - soc_info.family = RTL9300_FAMILY_ID; - break; - case 0x9302: - identify_rtl9302(); - soc_info.family = RTL9300_FAMILY_ID; - break; - case 0x9303: - soc_info.name = "RTL9303"; - soc_info.family = RTL9300_FAMILY_ID; - break; - case 0x9313: - soc_info.name = "RTL9313"; - soc_info.family = RTL9310_FAMILY_ID; - break; - default: - soc_info.name = "DEFAULT"; - soc_info.family = 0; - } - - pr_info("SoC Type: %s\n", get_system_type()); - - fw_init_cmdline(); - - mips_cpc_probe(); - - if (!register_cps_smp_ops()) - return; - -#ifdef CONFIG_MIPS_MT_SMP - if (cpu_has_mipsmt) { - rtl_smp_ops = vsmp_smp_ops; - rtl_smp_ops.init_secondary = rtl_init_secondary; - register_smp_ops(&rtl_smp_ops); - return; - } -#endif - - register_up_smp_ops(); -} |