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https://github.com/edk2-porting/linux-next.git
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ARM: l2c: exynos: convert to common l2c310 early resume functionality
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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dfbdd3d554
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@ -55,7 +55,6 @@ enum sys_powerdown {
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NUM_SYS_POWERDOWN,
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};
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extern unsigned long l2x0_regs_phys;
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struct exynos_pmu_conf {
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void __iomem *reg;
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unsigned int val[NUM_SYS_POWERDOWN];
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@ -318,17 +318,7 @@ core_initcall(exynos_core_init);
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static int __init exynos4_l2x0_cache_init(void)
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{
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int ret;
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ret = l2x0_of_init(0x3c400001, 0xc20fffff);
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if (ret)
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return ret;
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if (IS_ENABLED(CONFIG_S5P_SLEEP)) {
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l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);
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clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
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}
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return 0;
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return l2x0_of_init(0x3c400001, 0xc20fffff);
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}
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early_initcall(exynos4_l2x0_cache_init);
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@ -16,8 +16,6 @@
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*/
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#include <linux/linkage.h>
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#include <asm/asm-offsets.h>
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#include <asm/hardware/cache-l2x0.h>
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#define CPU_MASK 0xff0ffff0
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#define CPU_CORTEX_A9 0x410fc090
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@ -53,33 +51,7 @@ ENTRY(exynos_cpu_resume)
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and r0, r0, r1
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ldr r1, =CPU_CORTEX_A9
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cmp r0, r1
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bne skip_l2_resume
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adr r0, l2x0_regs_phys
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ldr r0, [r0]
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cmp r0, #0
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beq skip_l2_resume
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ldr r1, [r0, #L2X0_R_PHY_BASE]
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ldr r2, [r1, #L2X0_CTRL]
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tst r2, #0x1
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bne skip_l2_resume
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ldr r2, [r0, #L2X0_R_AUX_CTRL]
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str r2, [r1, #L2X0_AUX_CTRL]
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ldr r2, [r0, #L2X0_R_TAG_LATENCY]
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str r2, [r1, #L310_TAG_LATENCY_CTRL]
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ldr r2, [r0, #L2X0_R_DATA_LATENCY]
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str r2, [r1, #L310_DATA_LATENCY_CTRL]
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ldr r2, [r0, #L2X0_R_PREFETCH_CTRL]
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str r2, [r1, #L310_PREFETCH_CTRL]
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ldr r2, [r0, #L2X0_R_PWR_CTRL]
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str r2, [r1, #L310_POWER_CTRL]
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mov r2, #1
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str r2, [r1, #L2X0_CTRL]
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skip_l2_resume:
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bleq l2c310_early_resume
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#endif
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b cpu_resume
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ENDPROC(exynos_cpu_resume)
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#ifdef CONFIG_CACHE_L2X0
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.globl l2x0_regs_phys
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l2x0_regs_phys:
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.long 0
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#endif
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@ -22,7 +22,6 @@
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*/
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#include <linux/linkage.h>
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#include <asm/asm-offsets.h>
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.data
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.align
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