diff options
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-rx51-video.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clkt_dpll.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/common.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/gpmc.c | 15 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/io.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap-headsmp.S | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap-mpuss-lowpower.c | 16 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap4-common.c | 86 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 4 |
12 files changed, 70 insertions, 76 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index cb31d4390d52..0ba482638ebf 100644 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -65,6 +65,7 @@ config SOC_AM43XX select ARCH_HAS_OPP select ARM_GIC select MACH_OMAP_GENERIC + select MIGHT_HAVE_CACHE_L2X0 config SOC_DRA7XX bool "TI DRA7XX" diff --git a/arch/arm/mach-omap2/board-rx51-video.c b/arch/arm/mach-omap2/board-rx51-video.c index 43a90c8d6837..9cfebc5c7455 100644 --- a/arch/arm/mach-omap2/board-rx51-video.c +++ b/arch/arm/mach-omap2/board-rx51-video.c @@ -48,7 +48,7 @@ static struct omap_dss_board_info rx51_dss_board_info = { static int __init rx51_video_init(void) { - if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900")) + if (!machine_is_nokia_rx51()) return 0; if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) { diff --git a/arch/arm/mach-omap2/clkt_dpll.c b/arch/arm/mach-omap2/clkt_dpll.c index 2649ce445845..332af927f4d3 100644 --- a/arch/arm/mach-omap2/clkt_dpll.c +++ b/arch/arm/mach-omap2/clkt_dpll.c @@ -209,7 +209,7 @@ u8 omap2_init_dpll_parent(struct clk_hw *hw) if (v == OMAP3XXX_EN_DPLL_LPBYPASS || v == OMAP3XXX_EN_DPLL_FRBYPASS) return 1; - } else if (soc_is_am33xx() || cpu_is_omap44xx()) { + } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) { if (v == OMAP4XXX_EN_DPLL_LPBYPASS || v == OMAP4XXX_EN_DPLL_FRBYPASS || v == OMAP4XXX_EN_DPLL_MNBYPASS) @@ -255,7 +255,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk) if (v == OMAP3XXX_EN_DPLL_LPBYPASS || v == OMAP3XXX_EN_DPLL_FRBYPASS) return __clk_get_rate(dd->clk_bypass); - } else if (soc_is_am33xx() || cpu_is_omap44xx()) { + } else if (soc_is_am33xx() || cpu_is_omap44xx() || soc_is_am43xx()) { if (v == OMAP4XXX_EN_DPLL_LPBYPASS || v == OMAP4XXX_EN_DPLL_FRBYPASS || v == OMAP4XXX_EN_DPLL_MNBYPASS) diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index d88aff7baff8..ff029737c8f0 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -91,6 +91,7 @@ extern void omap3_sync32k_timer_init(void); extern void omap3_secure_sync32k_timer_init(void); extern void omap3_gptimer_timer_init(void); extern void omap4_local_timer_init(void); +int omap_l2_cache_init(void); extern void omap5_realtime_timer_init(void); void omap2420_init_early(void); diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index ab43755364f5..9fe8c949305c 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -501,7 +501,7 @@ static int gpmc_cs_delete_mem(int cs) int r; spin_lock(&gpmc_mem_lock); - r = release_resource(&gpmc_cs_mem[cs]); + r = release_resource(res); res->start = 0; res->end = 0; spin_unlock(&gpmc_mem_lock); @@ -527,6 +527,14 @@ static int gpmc_cs_remap(int cs, u32 base) pr_err("%s: requested chip-select is disabled\n", __func__); return -ENODEV; } + + /* + * Make sure we ignore any device offsets from the GPMC partition + * allocated for the chip select and that the new base confirms + * to the GPMC 16MB minimum granularity. + */ + base &= ~(SZ_16M - 1); + gpmc_cs_get_memconf(cs, &old_base, &size); if (base == old_base) return 0; @@ -586,6 +594,8 @@ EXPORT_SYMBOL(gpmc_cs_request); void gpmc_cs_free(int cs) { + struct resource *res = &gpmc_cs_mem[cs]; + spin_lock(&gpmc_mem_lock); if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) { printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs); @@ -594,7 +604,8 @@ void gpmc_cs_free(int cs) return; } gpmc_cs_disable_mem(cs); - release_resource(&gpmc_cs_mem[cs]); + if (res->flags) + release_resource(res); gpmc_cs_set_reserved(cs, 0); spin_unlock(&gpmc_mem_lock); } diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index f14f9ac2dca1..4e2df49991ad 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -609,6 +609,7 @@ void __init am43xx_init_early(void) am43xx_clockdomains_init(); am43xx_hwmod_init(); omap_hwmod_init_postsetup(); + omap_l2_cache_init(); omap_clk_soc_init = am43xx_dt_clk_init; } @@ -640,6 +641,7 @@ void __init omap4430_init_early(void) omap44xx_clockdomains_init(); omap44xx_hwmod_init(); omap_hwmod_init_postsetup(); + omap_l2_cache_init(); omap_clk_soc_init = omap4xxx_dt_clk_init; } diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S index 75e92952c18e..40c5d5f1451c 100644 --- a/arch/arm/mach-omap2/omap-headsmp.S +++ b/arch/arm/mach-omap2/omap-headsmp.S @@ -1,7 +1,7 @@ /* * Secondary CPU startup routine source file. * - * Copyright (C) 2009 Texas Instruments, Inc. + * Copyright (C) 2009-2014 Texas Instruments, Inc. * * Author: * Santosh Shilimkar <santosh.shilimkar@ti.com> @@ -28,9 +28,13 @@ * code. This routine also provides a holding flag into which * secondary core is held until we're ready for it to initialise. * The primary core will update this flag using a hardware -+ * register AuxCoreBoot0. + * register AuxCoreBoot0. */ ENTRY(omap5_secondary_startup) +.arm +THUMB( adr r9, BSYM(wait) ) @ CPU may be entered in ARM mode. +THUMB( bx r9 ) @ If this is a Thumb-2 kernel, +THUMB( .thumb ) @ switch to Thumb now. wait: ldr r2, =AUX_CORE_BOOT0_PA @ read from AuxCoreBoot0 ldr r0, [r2] mov r0, r0, lsr #5 diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c index 667915d236f3..61cb77f8cf12 100644 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c @@ -187,19 +187,15 @@ static void l2x0_pwrst_prepare(unsigned int cpu_id, unsigned int save_state) * in every restore MPUSS OFF path. */ #ifdef CONFIG_CACHE_L2X0 -static void save_l2x0_context(void) +static void __init save_l2x0_context(void) { - u32 val; - void __iomem *l2x0_base = omap4_get_l2cache_base(); - if (l2x0_base) { - val = __raw_readl(l2x0_base + L2X0_AUX_CTRL); - __raw_writel(val, sar_base + L2X0_AUXCTRL_OFFSET); - val = __raw_readl(l2x0_base + L2X0_PREFETCH_CTRL); - __raw_writel(val, sar_base + L2X0_PREFETCH_CTRL_OFFSET); - } + __raw_writel(l2x0_saved_regs.aux_ctrl, + sar_base + L2X0_AUXCTRL_OFFSET); + __raw_writel(l2x0_saved_regs.prefetch_ctrl, + sar_base + L2X0_PREFETCH_CTRL_OFFSET); } #else -static void save_l2x0_context(void) +static void __init save_l2x0_context(void) {} #endif diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 95e171a055f3..c41ff8b638e1 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -167,75 +167,57 @@ void __iomem *omap4_get_l2cache_base(void) return l2cache_base; } -static void omap4_l2x0_disable(void) +static void omap4_l2c310_write_sec(unsigned long val, unsigned reg) { - outer_flush_all(); - /* Disable PL310 L2 Cache controller */ - omap_smc1(0x102, 0x0); -} + unsigned smc_op; -static void omap4_l2x0_set_debug(unsigned long val) -{ - /* Program PL310 L2 Cache controller debug register */ - omap_smc1(0x100, val); + switch (reg) { + case L2X0_CTRL: + smc_op = OMAP4_MON_L2X0_CTRL_INDEX; + break; + + case L2X0_AUX_CTRL: + smc_op = OMAP4_MON_L2X0_AUXCTRL_INDEX; + break; + + case L2X0_DEBUG_CTRL: + smc_op = OMAP4_MON_L2X0_DBG_CTRL_INDEX; + break; + + case L310_PREFETCH_CTRL: + smc_op = OMAP4_MON_L2X0_PREFETCH_INDEX; + break; + + default: + WARN_ONCE(1, "OMAP L2C310: ignoring write to reg 0x%x\n", reg); + return; + } + + omap_smc1(smc_op, val); } -static int __init omap_l2_cache_init(void) +int __init omap_l2_cache_init(void) { - u32 aux_ctrl = 0; - - /* - * To avoid code running on other OMAPs in - * multi-omap builds - */ - if (!cpu_is_omap44xx()) - return -ENODEV; + u32 aux_ctrl; /* Static mapping, never released */ l2cache_base = ioremap(OMAP44XX_L2CACHE_BASE, SZ_4K); if (WARN_ON(!l2cache_base)) return -ENOMEM; - /* - * 16-way associativity, parity disabled - * Way size - 32KB (es1.0) - * Way size - 64KB (es2.0 +) - */ - aux_ctrl = ((1 << L2X0_AUX_CTRL_ASSOCIATIVITY_SHIFT) | - (0x1 << 25) | - (0x1 << L2X0_AUX_CTRL_NS_LOCKDOWN_SHIFT) | - (0x1 << L2X0_AUX_CTRL_NS_INT_CTRL_SHIFT)); - - if (omap_rev() == OMAP4430_REV_ES1_0) { - aux_ctrl |= 0x2 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT; - } else { - aux_ctrl |= ((0x3 << L2X0_AUX_CTRL_WAY_SIZE_SHIFT) | - (1 << L2X0_AUX_CTRL_SHARE_OVERRIDE_SHIFT) | - (1 << L2X0_AUX_CTRL_DATA_PREFETCH_SHIFT) | - (1 << L2X0_AUX_CTRL_INSTR_PREFETCH_SHIFT) | - (1 << L2X0_AUX_CTRL_EARLY_BRESP_SHIFT)); - } - if (omap_rev() != OMAP4430_REV_ES1_0) - omap_smc1(0x109, aux_ctrl); - - /* Enable PL310 L2 Cache controller */ - omap_smc1(0x102, 0x1); + /* 16-way associativity, parity disabled, way size - 64KB (es2.0 +) */ + aux_ctrl = L2C_AUX_CTRL_SHARED_OVERRIDE | + L310_AUX_CTRL_DATA_PREFETCH | + L310_AUX_CTRL_INSTR_PREFETCH; + outer_cache.write_sec = omap4_l2c310_write_sec; if (of_have_populated_dt()) - l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK); + l2x0_of_init(aux_ctrl, 0xcf9fffff); else - l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK); - - /* - * Override default outer_cache.disable with a OMAP4 - * specific one - */ - outer_cache.disable = omap4_l2x0_disable; - outer_cache.set_debug = omap4_l2x0_set_debug; + l2x0_init(l2cache_base, aux_ctrl, 0xcf9fffff); return 0; } -omap_early_initcall(omap_l2_cache_init); #endif void __iomem *omap4_get_sar_ram_base(void) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 1f33f5db10d5..66c60fe1104c 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2546,11 +2546,12 @@ static int __init _init(struct omap_hwmod *oh, void *data) return -EINVAL; } - if (np) + if (np) { if (of_find_property(np, "ti,no-reset-on-init", NULL)) oh->flags |= HWMOD_INIT_NO_RESET; if (of_find_property(np, "ti,no-idle-on-init", NULL)) oh->flags |= HWMOD_INIT_NO_IDLE; + } oh->_state = _HWMOD_STATE_INITIALIZED; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index a123ff0070bd..71ac7d5f3385 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -1964,7 +1964,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_host_hs_irqs[] = { static struct omap_hwmod omap3xxx_usb_host_hs_hwmod = { .name = "usb_host_hs", .class = &omap3xxx_usb_host_hs_hwmod_class, - .clkdm_name = "l3_init_clkdm", + .clkdm_name = "usbhost_clkdm", .mpu_irqs = omap3xxx_usb_host_hs_irqs, .main_clk = "usbhost_48m_fck", .prcm = { @@ -2047,7 +2047,7 @@ static struct omap_hwmod_irq_info omap3xxx_usb_tll_hs_irqs[] = { static struct omap_hwmod omap3xxx_usb_tll_hs_hwmod = { .name = "usb_tll_hs", .class = &omap3xxx_usb_tll_hs_hwmod_class, - .clkdm_name = "l3_init_clkdm", + .clkdm_name = "core_l4_clkdm", .mpu_irqs = omap3xxx_usb_tll_hs_irqs, .main_clk = "usbtll_fck", .prcm = { diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 1f3770a8a728..87099bb6de69 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -330,10 +330,6 @@ void omap_sram_idle(void) omap3_sram_restore_context(); omap2_sms_restore_context(); } - if (core_next_state == PWRDM_POWER_OFF) - omap2_prm_clear_mod_reg_bits(OMAP3430_AUTO_OFF_MASK, - OMAP3430_GR_MOD, - OMAP3_PRM_VOLTCTRL_OFFSET); } omap3_intc_resume_idle(); |
