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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /arch/mips/ath79/setup.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'arch/mips/ath79/setup.c')
| -rw-r--r-- | arch/mips/ath79/setup.c | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c new file mode 100644 index 000000000..4e18cdcf6 --- /dev/null +++ b/arch/mips/ath79/setup.c @@ -0,0 +1,271 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Atheros AR71XX/AR724X/AR913X specific setup + * + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * Parts of this file are based on Atheros' 2.6.15/2.6.31 BSP + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/memblock.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/of_clk.h> +#include <linux/of_fdt.h> +#include <linux/irqchip.h> + +#include <asm/bootinfo.h> +#include <asm/idle.h> +#include <asm/time.h> /* for mips_hpt_frequency */ +#include <asm/reboot.h> /* for _machine_{restart,halt} */ +#include <asm/prom.h> +#include <asm/fw/fw.h> + +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/ar71xx_regs.h> +#include "common.h" + +#define ATH79_SYS_TYPE_LEN 64 + +static char ath79_sys_type[ATH79_SYS_TYPE_LEN]; + +static void ath79_halt(void) +{ + while (1) + cpu_wait(); +} + +static void __init ath79_detect_sys_type(void) +{ + char *chip = "????"; + u32 id; + u32 major; + u32 minor; + u32 rev = 0; + u32 ver = 1; + + id = ath79_reset_rr(AR71XX_RESET_REG_REV_ID); + major = id & REV_ID_MAJOR_MASK; + + switch (major) { + case REV_ID_MAJOR_AR71XX: + minor = id & AR71XX_REV_ID_MINOR_MASK; + rev = id >> AR71XX_REV_ID_REVISION_SHIFT; + rev &= AR71XX_REV_ID_REVISION_MASK; + switch (minor) { + case AR71XX_REV_ID_MINOR_AR7130: + ath79_soc = ATH79_SOC_AR7130; + chip = "7130"; + break; + + case AR71XX_REV_ID_MINOR_AR7141: + ath79_soc = ATH79_SOC_AR7141; + chip = "7141"; + break; + + case AR71XX_REV_ID_MINOR_AR7161: + ath79_soc = ATH79_SOC_AR7161; + chip = "7161"; + break; + } + break; + + case REV_ID_MAJOR_AR7240: + ath79_soc = ATH79_SOC_AR7240; + chip = "7240"; + rev = id & AR724X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR7241: + ath79_soc = ATH79_SOC_AR7241; + chip = "7241"; + rev = id & AR724X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR7242: + ath79_soc = ATH79_SOC_AR7242; + chip = "7242"; + rev = id & AR724X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR913X: + minor = id & AR913X_REV_ID_MINOR_MASK; + rev = id >> AR913X_REV_ID_REVISION_SHIFT; + rev &= AR913X_REV_ID_REVISION_MASK; + switch (minor) { + case AR913X_REV_ID_MINOR_AR9130: + ath79_soc = ATH79_SOC_AR9130; + chip = "9130"; + break; + + case AR913X_REV_ID_MINOR_AR9132: + ath79_soc = ATH79_SOC_AR9132; + chip = "9132"; + break; + } + break; + + case REV_ID_MAJOR_AR9330: + ath79_soc = ATH79_SOC_AR9330; + chip = "9330"; + rev = id & AR933X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9331: + ath79_soc = ATH79_SOC_AR9331; + chip = "9331"; + rev = id & AR933X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9341: + ath79_soc = ATH79_SOC_AR9341; + chip = "9341"; + rev = id & AR934X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9342: + ath79_soc = ATH79_SOC_AR9342; + chip = "9342"; + rev = id & AR934X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_AR9344: + ath79_soc = ATH79_SOC_AR9344; + chip = "9344"; + rev = id & AR934X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_QCA9533_V2: + ver = 2; + ath79_soc_rev = 2; + fallthrough; + case REV_ID_MAJOR_QCA9533: + ath79_soc = ATH79_SOC_QCA9533; + chip = "9533"; + rev = id & QCA953X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_QCA9556: + ath79_soc = ATH79_SOC_QCA9556; + chip = "9556"; + rev = id & QCA955X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_QCA9558: + ath79_soc = ATH79_SOC_QCA9558; + chip = "9558"; + rev = id & QCA955X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_QCA956X: + ath79_soc = ATH79_SOC_QCA956X; + chip = "956X"; + rev = id & QCA956X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_QCN550X: + ath79_soc = ATH79_SOC_QCA956X; + chip = "550X"; + rev = id & QCA956X_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_TP9343: + ath79_soc = ATH79_SOC_TP9343; + chip = "9343"; + rev = id & QCA956X_REV_ID_REVISION_MASK; + break; + + default: + panic("ath79: unknown SoC, id:0x%08x", id); + } + + if (ver == 1) + ath79_soc_rev = rev; + + if (soc_is_qca953x() || soc_is_qca955x() || soc_is_qca956x()) + sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u", + chip, ver, rev); + else if (soc_is_tp9343()) + sprintf(ath79_sys_type, "Qualcomm Atheros TP%s rev %u", + chip, rev); + else + sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev); + pr_info("SoC: %s\n", ath79_sys_type); +} + +const char *get_system_type(void) +{ + return ath79_sys_type; +} + +unsigned int get_c0_compare_int(void) +{ + return CP0_LEGACY_COMPARE_IRQ; +} + +void __init plat_mem_setup(void) +{ + void *dtb; + + set_io_port_base(KSEG1); + + /* Get the position of the FDT passed by the bootloader */ + dtb = (void *)fw_getenvl("fdt_start"); + if (dtb == NULL) + dtb = get_fdt(); + + if (dtb) + __dt_setup_arch((void *)KSEG0ADDR(dtb)); + + ath79_reset_base = ioremap(AR71XX_RESET_BASE, + AR71XX_RESET_SIZE); + ath79_pll_base = ioremap(AR71XX_PLL_BASE, + AR71XX_PLL_SIZE); + ath79_detect_sys_type(); + ath79_ddr_ctrl_init(); + + detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX); + + _machine_halt = ath79_halt; + pm_power_off = ath79_halt; +} + +void __init plat_time_init(void) +{ + struct device_node *np; + struct clk *clk; + unsigned long cpu_clk_rate; + + of_clk_init(NULL); + + np = of_get_cpu_node(0, NULL); + if (!np) { + pr_err("Failed to get CPU node\n"); + return; + } + + clk = of_clk_get(np, 0); + if (IS_ERR(clk)) { + pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk)); + return; + } + + cpu_clk_rate = clk_get_rate(clk); + + pr_info("CPU clock: %lu.%03lu MHz\n", + cpu_clk_rate / 1000000, (cpu_clk_rate / 1000) % 1000); + + mips_hpt_frequency = cpu_clk_rate / 2; + + clk_put(clk); +} + +void __init arch_init_irq(void) +{ + irqchip_init(); +} |
