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![Olof Johansson](/assets/img/avatar_default.png)
1. Clear unneeded L2C-310 flag which presenc was triggering warning message. 2. Fix build of SAMSUNG_PM_DEBUG without MMU. 3. Minor cleanups and update of linux-samsung-soc mailing list in Maintainers. -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEE3dJiKD0RGyM7briowTdm5oaLg9cFAl9ner0QHGtyemtAa2Vy bmVsLm9yZwAKCRDBN2bmhouD1xRiEACRlwd8oXmvTjSvFAlw8Z8/WTDpwxbfX4ra XZXjkVzoNw9IO3c5dfCvV4np0bJM6hepNKUoHHE8FsP0aNB81Geg/FhmQeIOtz4v BAfrGIbJp+2gRTQU9BhMLw3BhzWxp0TAe+0mXNTLER2BrTrF3/M5K2Rm7/W9k4wo fT8epub4X4CB927Mp/mkovqXKk5h+KfsMxFZNBHYUW/fsyDmScL6MOYXBxsalKx6 fC+XMqI6VBiEgpO42FZ6YuEMK1o9eAkpHGSFCIjFyTkqm/O7/Z536Ho/D9CHeCuT WDdtK04b0r7vSCToTpiHr+qgZtbnJl/pgJ673/zlxik9UvLLGw7DqtnSEtPJep1l Z8aEuhRlWuUrvcAkslJvMMqHRx495DThs+axbxYCxfG+u+ivFjHGAxSLLlM9f3Fy ftZ70sBMCu+EtniaXGzcFLxyKQA1S99uJH7SYVj2G9e3Lq+Eo64FK3KKSN6bBy6R wuIySiwlgMgfrhHgs5khe6VZcwrjVssLjBtWF+EWEs1KpYiwcDGl1mifJG9vWIXm ngrJBLiloqKPBApKcbR+4lLxRkMsYJC1r9svRKNElb/AqaWlz75TAkNADVaf0W6d ZmKAWYBd6J7Ll5wXD8nqSc5XN3TZl33gkGmBi8pJV81iB+S2FE/I29afcMQVtEgO 7zl4VQbG+Q== =Bkfy -----END PGP SIGNATURE----- Merge tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/soc Samsung mach/soc changes for v5.10 1. Clear unneeded L2C-310 flag which presenc was triggering warning message. 2. Fix build of SAMSUNG_PM_DEBUG without MMU. 3. Minor cleanups and update of linux-samsung-soc mailing list in Maintainers. * tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: ARM: s3c64xx: bring back notes from removed debug-macro.S ARM: s3c24xx: fix Wunused-variable warning on !MMU ARM: samsung: fix PM debug build with DEBUG_LL but !MMU MAINTAINERS: mark linux-samsung-soc list non-moderated ARM: exynos: clear L310_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val Signed-off-by: Olof Johansson <olof@lixom.net>
175 lines
4 KiB
C
175 lines
4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// Copyright (c) 2006 Simtec Electronics
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// Ben Dooks <ben@simtec.co.uk>
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//
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// http://armlinux.simtec.co.uk/.
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/syscore_ops.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/reboot.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/proc-fns.h>
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#include <asm/irq.h>
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#include <asm/system_misc.h>
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#include "map.h"
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#include "regs-clock.h"
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#include "regs-gpio.h"
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#include "cpu.h"
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#include "devs.h"
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#include "pm.h"
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#include "s3c24xx.h"
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#include "nand-core-s3c24xx.h"
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#include "regs-dsc-s3c24xx.h"
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#include "s3c2412-power.h"
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#ifndef CONFIG_CPU_S3C2412_ONLY
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void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO;
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static inline void s3c2412_init_gpio2(void)
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{
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s3c24xx_va_gpio2 = S3C24XX_VA_GPIO + 0x10;
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}
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#else
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#define s3c2412_init_gpio2() do { } while(0)
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#endif
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/* Initial IO mappings */
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static struct map_desc s3c2412_iodesc[] __initdata __maybe_unused = {
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IODESC_ENT(CLKPWR),
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IODESC_ENT(TIMER),
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IODESC_ENT(WATCHDOG),
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{
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.virtual = (unsigned long)S3C2412_VA_SSMC,
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.pfn = __phys_to_pfn(S3C2412_PA_SSMC),
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.length = SZ_1M,
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.type = MT_DEVICE,
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},
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{
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.virtual = (unsigned long)S3C2412_VA_EBI,
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.pfn = __phys_to_pfn(S3C2412_PA_EBI),
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.length = SZ_1M,
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.type = MT_DEVICE,
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},
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};
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/* uart registration process */
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void __init s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no)
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{
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s3c24xx_init_uartdevs("s3c2412-uart", s3c2410_uart_resources, cfg, no);
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/* rename devices that are s3c2412/s3c2413 specific */
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s3c_device_sdi.name = "s3c2412-sdi";
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s3c_device_lcd.name = "s3c2412-lcd";
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s3c_nand_setname("s3c2412-nand");
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/* alter IRQ of SDI controller */
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s3c_device_sdi.resource[1].start = IRQ_S3C2412_SDI;
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s3c_device_sdi.resource[1].end = IRQ_S3C2412_SDI;
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/* spi channel related changes, s3c2412/13 specific */
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s3c_device_spi0.name = "s3c2412-spi";
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s3c_device_spi0.resource[0].end = S3C24XX_PA_SPI + 0x24;
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s3c_device_spi1.name = "s3c2412-spi";
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s3c_device_spi1.resource[0].start = S3C24XX_PA_SPI + S3C2412_SPI1;
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s3c_device_spi1.resource[0].end = S3C24XX_PA_SPI + S3C2412_SPI1 + 0x24;
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}
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/* s3c2412_idle
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*
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* use the standard idle call by ensuring the idle mode
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* in power config, then issuing the idle co-processor
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* instruction
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*/
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static void s3c2412_idle(void)
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{
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unsigned long tmp;
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/* ensure our idle mode is to go to idle */
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tmp = __raw_readl(S3C2412_PWRCFG);
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tmp &= ~S3C2412_PWRCFG_STANDBYWFI_MASK;
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tmp |= S3C2412_PWRCFG_STANDBYWFI_IDLE;
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__raw_writel(tmp, S3C2412_PWRCFG);
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cpu_do_idle();
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}
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/* s3c2412_map_io
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*
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* register the standard cpu IO areas, and any passed in from the
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* machine specific initialisation.
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*/
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void __init s3c2412_map_io(void)
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{
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/* move base of IO */
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s3c2412_init_gpio2();
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/* set our idle function */
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arm_pm_idle = s3c2412_idle;
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/* register our io-tables */
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iotable_init(s3c2412_iodesc, ARRAY_SIZE(s3c2412_iodesc));
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}
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/* need to register the subsystem before we actually register the device, and
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* we also need to ensure that it has been initialised before any of the
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* drivers even try to use it (even if not on an s3c2412 based system)
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* as a driver which may support both 2410 and 2440 may try and use it.
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*/
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struct bus_type s3c2412_subsys = {
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.name = "s3c2412-core",
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.dev_name = "s3c2412-core",
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};
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static int __init s3c2412_core_init(void)
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{
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return subsys_system_register(&s3c2412_subsys, NULL);
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}
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core_initcall(s3c2412_core_init);
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static struct device s3c2412_dev = {
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.bus = &s3c2412_subsys,
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};
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int __init s3c2412_init(void)
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{
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printk("S3C2412: Initialising architecture\n");
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#ifdef CONFIG_PM_SLEEP
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register_syscore_ops(&s3c2412_pm_syscore_ops);
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register_syscore_ops(&s3c24xx_irq_syscore_ops);
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#endif
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return device_register(&s3c2412_dev);
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}
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