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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-24 08:46:03 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-24 08:46:03 -0700 |
| commit | cf9610f9116d55c5a66ef9f1faecacabd93a9322 (patch) | |
| tree | 757a3d280760c654767631cab5ad8af2d86d1848 /arch/powerpc/boot/gamecube-head.S | |
| download | linux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.tar.gz linux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.zip | |
Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlgrafted
Pull pin control updates from Linus Walleij:
"Core changes:
- Use the non-blocking mux_state_try_select() in the generic MUX pin
control back-end
- Free pin maps on pinctrl_generic_to_map() failure in the core
helpers
New hardware pin control:
- Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC
(this is for the low power audio, LPASS = Low Power Audio SubSystem
portions)
- Upboard support on top of the Intel pin controller
- Apple T6030 and T6031 support (just compatible strings)
- Samsung Exynos 8855 SoC
- Mediatek MT6858 SoC
- Rockchip RK3308B and RV1106 SoCs
- Airoha EN7523 and AN7563 SoCs
Improvements:
- Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable
- Qualcomm improvements on top of the Qualcomm PDC (power domain
controller) irqchip improvements from tglx:s tree
- Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups
- The NPCM8xx driver has been put into shape fixing many pin and
group definitions
- Some non-urgent Tegra 264 pin assignments are fixed up
- Some non-urgent fixups to Airoha AN7581 and AN7583 registers and
pin assignments, missing features etc"
* tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits)
dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema
pinctrl: meson: sync some modify from A4
pinctrl: meson: a4: Add input enable pin configuration
pinctrl: realtek: rtd1625: remove unused group name spdif_sel
pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13
dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema
Revert "Merge branch 'ib-rsk7204' into devel"
pinctrl: rockchip: Add RV1106 pinctrl support
dt-bindings: pinctrl: rockchip: Add RV1106 compatible
pinctrl: rockchip: Decode drive strength in the get function
pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable
pinctrl: airoha: add support of an7563 SoC
dt-bindings: pinctrl: airoha: add support of an7563 pin controller
pinctrl: airoha: try to find chip scu node by phandle first
pinctrl: airoha: add support of en7523 SoC
dt-bindings: pinctrl: airoha: add support of en7523 pin controller
pinctrl: airoha: an7583: add support for olt pinmux
pinctrl: airoha: an7583: add support for pon_alt pinmux
pinctrl: airoha: an7583: add support for npu_uart pinmux
dt-bindings: pinctrl: airoha: an7583: add missed features
...
Diffstat (limited to 'arch/powerpc/boot/gamecube-head.S')
| -rw-r--r-- | arch/powerpc/boot/gamecube-head.S | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/arch/powerpc/boot/gamecube-head.S b/arch/powerpc/boot/gamecube-head.S new file mode 100644 index 000000000..ccf5f1045 --- /dev/null +++ b/arch/powerpc/boot/gamecube-head.S @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * arch/powerpc/boot/gamecube-head.S + * + * Nintendo GameCube bootwrapper entry. + * Copyright (C) 2004-2009 The GameCube Linux Team + * Copyright (C) 2008,2009 Albert Herranz + */ + +#include "ppc_asm.h" + +/* + * The entry code does no assumptions regarding: + * - if the data and instruction caches are enabled or not + * - if the MMU is enabled or not + * + * We enable the caches if not already enabled, enable the MMU with an + * identity mapping scheme and jump to the start code. + */ + + .text + + .globl _zimage_start +_zimage_start: + + /* turn the MMU off */ + mfmsr 9 + rlwinm 9, 9, 0, ~((1<<4)|(1<<5)) /* MSR_DR|MSR_IR */ + bcl 20, 31, 1f +1: + mflr 8 + clrlwi 8, 8, 3 /* convert to a real address */ + addi 8, 8, _mmu_off - 1b + mtsrr0 8 + mtsrr1 9 + rfi +_mmu_off: + /* MMU disabled */ + + /* setup BATs */ + isync + li 8, 0 + mtspr 0x210, 8 /* IBAT0U */ + mtspr 0x212, 8 /* IBAT1U */ + mtspr 0x214, 8 /* IBAT2U */ + mtspr 0x216, 8 /* IBAT3U */ + mtspr 0x218, 8 /* DBAT0U */ + mtspr 0x21a, 8 /* DBAT1U */ + mtspr 0x21c, 8 /* DBAT2U */ + mtspr 0x21e, 8 /* DBAT3U */ + + li 8, 0x01ff /* first 16MiB */ + li 9, 0x0002 /* rw */ + mtspr 0x211, 9 /* IBAT0L */ + mtspr 0x210, 8 /* IBAT0U */ + mtspr 0x219, 9 /* DBAT0L */ + mtspr 0x218, 8 /* DBAT0U */ + + lis 8, 0x0c00 /* I/O mem */ + ori 8, 8, 0x3ff /* 32MiB */ + lis 9, 0x0c00 + ori 9, 9, 0x002a /* uncached, guarded, rw */ + mtspr 0x21b, 9 /* DBAT1L */ + mtspr 0x21a, 8 /* DBAT1U */ + + lis 8, 0x0100 /* next 8MiB */ + ori 8, 8, 0x00ff /* 8MiB */ + lis 9, 0x0100 + ori 9, 9, 0x0002 /* rw */ + mtspr 0x215, 9 /* IBAT2L */ + mtspr 0x214, 8 /* IBAT2U */ + mtspr 0x21d, 9 /* DBAT2L */ + mtspr 0x21c, 8 /* DBAT2U */ + + /* enable and invalidate the caches if not already enabled */ + mfspr 8, 0x3f0 /* HID0 */ + andi. 0, 8, (1<<15) /* HID0_ICE */ + bne 1f + ori 8, 8, (1<<15)|(1<<11) /* HID0_ICE|HID0_ICFI*/ +1: + andi. 0, 8, (1<<14) /* HID0_DCE */ + bne 1f + ori 8, 8, (1<<14)|(1<<10) /* HID0_DCE|HID0_DCFI*/ +1: + mtspr 0x3f0, 8 /* HID0 */ + isync + + /* initialize arguments */ + li 3, 0 + li 4, 0 + li 5, 0 + + /* turn the MMU on */ + bcl 20, 31, 1f +1: + mflr 8 + addi 8, 8, _mmu_on - 1b + mfmsr 9 + ori 9, 9, (1<<4)|(1<<5) /* MSR_DR|MSR_IR */ + mtsrr0 8 + mtsrr1 9 + sync + rfi +_mmu_on: + b _zimage_start_lib + |
