diff options
author | David S. Miller <davem@davemloft.net> | 2010-02-17 07:09:29 +0100 |
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committer | David S. Miller <davem@davemloft.net> | 2010-02-17 07:09:29 +0100 |
commit | 2bb4646fce8d09916b351d1a62f98db7cec6fc41 (patch) | |
tree | c1f0d002e69868606eca9d1b919835f422892063 /arch/arm/mach-omap2 | |
parent | xfrm: avoid spinlock in get_acqseq() used by xfrm user (diff) | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 (diff) | |
download | linux-2bb4646fce8d09916b351d1a62f98db7cec6fc41.tar.xz linux-2bb4646fce8d09916b351d1a62f98db7cec6fc41.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r-- | arch/arm/mach-omap2/clock34xx_data.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-omap2/clock44xx_data.c | 62 | ||||
-rw-r--r-- | arch/arm/mach-omap2/cpuidle34xx.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/gpmc.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-omap2/id.c | 41 | ||||
-rw-r--r-- | arch/arm/mach-omap2/irq.c | 22 | ||||
-rw-r--r-- | arch/arm/mach-omap2/mmc-twl4030.c | 7 | ||||
-rw-r--r-- | arch/arm/mach-omap2/mux.c | 37 | ||||
-rw-r--r-- | arch/arm/mach-omap2/mux.h | 24 | ||||
-rw-r--r-- | arch/arm/mach-omap2/mux34xx.c | 47 | ||||
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm-debug.c | 12 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm.h | 8 | ||||
-rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 47 | ||||
-rw-r--r-- | arch/arm/mach-omap2/prcm.c | 11 | ||||
-rw-r--r-- | arch/arm/mach-omap2/prm.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-omap2/prm44xx.h | 32 | ||||
-rw-r--r-- | arch/arm/mach-omap2/serial.c | 11 | ||||
-rw-r--r-- | arch/arm/mach-omap2/sleep34xx.S | 13 |
19 files changed, 259 insertions, 133 deletions
diff --git a/arch/arm/mach-omap2/clock34xx_data.c b/arch/arm/mach-omap2/clock34xx_data.c index c6031d74d6f6..74930e3158e3 100644 --- a/arch/arm/mach-omap2/clock34xx_data.c +++ b/arch/arm/mach-omap2/clock34xx_data.c @@ -671,7 +671,6 @@ static struct clk dpll4_m3x2_ck = { .name = "dpll4_m3x2_ck", .ops = &clkops_omap2_dflt_wait, .parent = &dpll4_m3_ck, - .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_TV_SHIFT, .flags = INVERT_ENABLE, @@ -811,7 +810,6 @@ static struct clk dpll4_m6x2_ck = { .name = "dpll4_m6x2_ck", .ops = &clkops_omap2_dflt_wait, .parent = &dpll4_m6_ck, - .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_EMU_PERIPH_SHIFT, .flags = INVERT_ENABLE, @@ -1047,7 +1045,6 @@ static struct clk iva2_ck = { .name = "iva2_ck", .ops = &clkops_omap2_dflt_wait, .parent = &dpll2_m2_ck, - .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, CM_FCLKEN), .enable_bit = OMAP3430_CM_FCLKEN_IVA2_EN_IVA2_SHIFT, .clkdm_name = "iva2_clkdm", @@ -1121,7 +1118,6 @@ static struct clk gfx_l3_ck = { .name = "gfx_l3_ck", .ops = &clkops_omap2_dflt_wait, .parent = &l3_ick, - .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(GFX_MOD, CM_ICLKEN), .enable_bit = OMAP_EN_GFX_SHIFT, .recalc = &followparent_recalc, diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index 2210e227d78a..9d882bcb56e3 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -346,37 +346,37 @@ static struct clk aess_fclk = { }; static const struct clksel_rate div31_1to31_rates[] = { - { .div = 1, .val = 0, .flags = RATE_IN_4430 }, - { .div = 2, .val = 1, .flags = RATE_IN_4430 }, - { .div = 3, .val = 2, .flags = RATE_IN_4430 }, - { .div = 4, .val = 3, .flags = RATE_IN_4430 }, - { .div = 5, .val = 4, .flags = RATE_IN_4430 }, - { .div = 6, .val = 5, .flags = RATE_IN_4430 }, - { .div = 7, .val = 6, .flags = RATE_IN_4430 }, - { .div = 8, .val = 7, .flags = RATE_IN_4430 }, - { .div = 9, .val = 8, .flags = RATE_IN_4430 }, - { .div = 10, .val = 9, .flags = RATE_IN_4430 }, - { .div = 11, .val = 10, .flags = RATE_IN_4430 }, - { .div = 12, .val = 11, .flags = RATE_IN_4430 }, - { .div = 13, .val = 12, .flags = RATE_IN_4430 }, - { .div = 14, .val = 13, .flags = RATE_IN_4430 }, - { .div = 15, .val = 14, .flags = RATE_IN_4430 }, - { .div = 16, .val = 15, .flags = RATE_IN_4430 }, - { .div = 17, .val = 16, .flags = RATE_IN_4430 }, - { .div = 18, .val = 17, .flags = RATE_IN_4430 }, - { .div = 19, .val = 18, .flags = RATE_IN_4430 }, - { .div = 20, .val = 19, .flags = RATE_IN_4430 }, - { .div = 21, .val = 20, .flags = RATE_IN_4430 }, - { .div = 22, .val = 21, .flags = RATE_IN_4430 }, - { .div = 23, .val = 22, .flags = RATE_IN_4430 }, - { .div = 24, .val = 23, .flags = RATE_IN_4430 }, - { .div = 25, .val = 24, .flags = RATE_IN_4430 }, - { .div = 26, .val = 25, .flags = RATE_IN_4430 }, - { .div = 27, .val = 26, .flags = RATE_IN_4430 }, - { .div = 28, .val = 27, .flags = RATE_IN_4430 }, - { .div = 29, .val = 28, .flags = RATE_IN_4430 }, - { .div = 30, .val = 29, .flags = RATE_IN_4430 }, - { .div = 31, .val = 30, .flags = RATE_IN_4430 }, + { .div = 1, .val = 1, .flags = RATE_IN_4430 }, + { .div = 2, .val = 2, .flags = RATE_IN_4430 }, + { .div = 3, .val = 3, .flags = RATE_IN_4430 }, + { .div = 4, .val = 4, .flags = RATE_IN_4430 }, + { .div = 5, .val = 5, .flags = RATE_IN_4430 }, + { .div = 6, .val = 6, .flags = RATE_IN_4430 }, + { .div = 7, .val = 7, .flags = RATE_IN_4430 }, + { .div = 8, .val = 8, .flags = RATE_IN_4430 }, + { .div = 9, .val = 9, .flags = RATE_IN_4430 }, + { .div = 10, .val = 10, .flags = RATE_IN_4430 }, + { .div = 11, .val = 11, .flags = RATE_IN_4430 }, + { .div = 12, .val = 12, .flags = RATE_IN_4430 }, + { .div = 13, .val = 13, .flags = RATE_IN_4430 }, + { .div = 14, .val = 14, .flags = RATE_IN_4430 }, + { .div = 15, .val = 15, .flags = RATE_IN_4430 }, + { .div = 16, .val = 16, .flags = RATE_IN_4430 }, + { .div = 17, .val = 17, .flags = RATE_IN_4430 }, + { .div = 18, .val = 18, .flags = RATE_IN_4430 }, + { .div = 19, .val = 19, .flags = RATE_IN_4430 }, + { .div = 20, .val = 20, .flags = RATE_IN_4430 }, + { .div = 21, .val = 21, .flags = RATE_IN_4430 }, + { .div = 22, .val = 22, .flags = RATE_IN_4430 }, + { .div = 23, .val = 23, .flags = RATE_IN_4430 }, + { .div = 24, .val = 24, .flags = RATE_IN_4430 }, + { .div = 25, .val = 25, .flags = RATE_IN_4430 }, + { .div = 26, .val = 26, .flags = RATE_IN_4430 }, + { .div = 27, .val = 27, .flags = RATE_IN_4430 }, + { .div = 28, .val = 28, .flags = RATE_IN_4430 }, + { .div = 29, .val = 29, .flags = RATE_IN_4430 }, + { .div = 30, .val = 30, .flags = RATE_IN_4430 }, + { .div = 31, .val = 31, .flags = RATE_IN_4430 }, { .div = 0 }, }; diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index a26d6a08ae3f..12f0cbfc2894 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -137,7 +137,7 @@ return_sleep_time: local_irq_enable(); local_fiq_enable(); - return (u32)timespec_to_ns(&ts_idle)/1000; + return ts_idle.tv_nsec / NSEC_PER_USEC + ts_idle.tv_sec * USEC_PER_SEC; } /** diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index bd8cb5974726..7027cdc1ba49 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -505,7 +505,7 @@ static void __init gpmc_mem_init(void) void __init gpmc_init(void) { u32 l; - char *ck; + char *ck = NULL; if (cpu_is_omap24xx()) { ck = "core_l3_ck"; @@ -521,6 +521,9 @@ void __init gpmc_init(void) l = OMAP44XX_GPMC_BASE; } + if (WARN_ON(!ck)) + return; + gpmc_l3_clk = clk_get(NULL, ck); if (IS_ERR(gpmc_l3_clk)) { printk(KERN_ERR "Could not get GPMC clock %s\n", ck); @@ -534,6 +537,8 @@ void __init gpmc_init(void) BUG(); } + clk_enable(gpmc_l3_clk); + l = gpmc_read_reg(GPMC_REVISION); printk(KERN_INFO "GPMC revision %d.%d\n", (l >> 4) & 0x0f, l & 0x0f); /* Set smart idle mode and automatic L3 clock gating */ diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index a091b53657b9..3d65c50bd017 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -188,6 +188,8 @@ void __init omap3_check_revision(void) u16 hawkeye; u8 rev; + omap_chip.oc = CHIP_IS_OMAP3430; + /* * We cannot access revision registers on ES1.0. * If the processor type is Cortex-A8 and the revision is 0x0 @@ -196,6 +198,7 @@ void __init omap3_check_revision(void) cpuid = read_cpuid(CPUID_ID); if ((((cpuid >> 4) & 0xfff) == 0xc08) && ((cpuid & 0xf) == 0x0)) { omap_revision = OMAP3430_REV_ES1_0; + omap_chip.oc |= CHIP_IS_OMAP3430ES1; return; } @@ -216,18 +219,28 @@ void __init omap3_check_revision(void) case 0: /* Take care of early samples */ case 1: omap_revision = OMAP3430_REV_ES2_0; + omap_chip.oc |= CHIP_IS_OMAP3430ES2; break; case 2: omap_revision = OMAP3430_REV_ES2_1; + omap_chip.oc |= CHIP_IS_OMAP3430ES2; break; case 3: omap_revision = OMAP3430_REV_ES3_0; + omap_chip.oc |= CHIP_IS_OMAP3430ES3_0; break; case 4: + omap_revision = OMAP3430_REV_ES3_1; + omap_chip.oc |= CHIP_IS_OMAP3430ES3_1; + break; + case 7: /* FALLTHROUGH */ default: /* Use the latest known revision as default */ - omap_revision = OMAP3430_REV_ES3_1; + omap_revision = OMAP3430_REV_ES3_1_2; + + /* REVISIT: Add CHIP_IS_OMAP3430ES3_1_2? */ + omap_chip.oc |= CHIP_IS_OMAP3430ES3_1; } break; case 0xb868: @@ -235,14 +248,18 @@ void __init omap3_check_revision(void) * * Set the device to be OMAP3505 here. Actual device * is identified later based on the features. + * + * REVISIT: AM3505/AM3517 should have their own CHIP_IS */ omap_revision = OMAP3505_REV(rev); + omap_chip.oc |= CHIP_IS_OMAP3430ES3_1; break; case 0xb891: /* FALLTHROUGH */ default: /* Unknown default to latest silicon rev as default*/ omap_revision = OMAP3630_REV_ES1_0; + omap_chip.oc |= CHIP_IS_OMAP3630ES1; } } @@ -360,6 +377,7 @@ void __init omap2_check_revision(void) omap3_check_revision(); omap3_check_features(); omap3_cpuinfo(); + return; } else if (cpu_is_omap44xx()) { omap4_check_revision(); return; @@ -374,27 +392,14 @@ void __init omap2_check_revision(void) if (cpu_is_omap243x()) { /* Currently only supports 2430ES2.1 and 2430-all */ omap_chip.oc |= CHIP_IS_OMAP2430; + return; } else if (cpu_is_omap242x()) { /* Currently only supports 2420ES2.1.1 and 2420-all */ omap_chip.oc |= CHIP_IS_OMAP2420; - } else if (cpu_is_omap3505() || cpu_is_omap3517()) { - omap_chip.oc = CHIP_IS_OMAP3430 | CHIP_IS_OMAP3430ES3_1; - } else if (cpu_is_omap343x()) { - omap_chip.oc = CHIP_IS_OMAP3430; - if (omap_rev() == OMAP3430_REV_ES1_0) - omap_chip.oc |= CHIP_IS_OMAP3430ES1; - else if (omap_rev() >= OMAP3430_REV_ES2_0 && - omap_rev() <= OMAP3430_REV_ES2_1) - omap_chip.oc |= CHIP_IS_OMAP3430ES2; - else if (omap_rev() == OMAP3430_REV_ES3_0) - omap_chip.oc |= CHIP_IS_OMAP3430ES3_0; - else if (omap_rev() == OMAP3430_REV_ES3_1) - omap_chip.oc |= CHIP_IS_OMAP3430ES3_1; - else if (omap_rev() == OMAP3630_REV_ES1_0) - omap_chip.oc |= CHIP_IS_OMAP3630ES1; - } else { - pr_err("Uninitialized omap_chip, please fix!\n"); + return; } + + pr_err("Uninitialized omap_chip, please fix!\n"); } /* diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index e9bc782fa414..26aeef560aa3 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -194,7 +194,7 @@ void __init omap_init_irq(void) int i; for (i = 0; i < ARRAY_SIZE(irq_banks); i++) { - unsigned long base; + unsigned long base = 0; struct omap_irq_bank *bank = irq_banks + i; if (cpu_is_omap24xx()) @@ -202,6 +202,8 @@ void __init omap_init_irq(void) else if (cpu_is_omap34xx()) base = OMAP34XX_IC_BASE; + BUG_ON(!base); + /* Static mapping, never released */ bank->base_reg = ioremap(base, SZ_4K); if (!bank->base_reg) { @@ -274,4 +276,22 @@ void omap_intc_restore_context(void) } /* MIRs are saved and restore with other PRCM registers */ } + +void omap3_intc_suspend(void) +{ + /* A pending interrupt would prevent OMAP from entering suspend */ + omap_ack_irq(0); +} + +void omap3_intc_prepare_idle(void) +{ + /* Disable autoidle as it can stall interrupt controller */ + intc_bank_write_reg(0, &irq_banks[0], INTC_SYSCONFIG); +} + +void omap3_intc_resume_idle(void) +{ + /* Re-enable autoidle */ + intc_bank_write_reg(1, &irq_banks[0], INTC_SYSCONFIG); +} #endif /* CONFIG_ARCH_OMAP3 */ diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c index 0c3c72d934bf..8afe9dd3f150 100644 --- a/arch/arm/mach-omap2/mmc-twl4030.c +++ b/arch/arm/mach-omap2/mmc-twl4030.c @@ -408,6 +408,7 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers) { struct twl4030_hsmmc_info *c; int nr_hsmmc = ARRAY_SIZE(hsmmc_data); + int i; if (cpu_is_omap2430()) { control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE; @@ -434,7 +435,7 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers) mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL); if (!mmc) { pr_err("Cannot allocate memory for mmc device!\n"); - return; + goto done; } if (c->name) @@ -532,6 +533,10 @@ void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers) continue; c->dev = mmc->dev; } + +done: + for (i = 0; i < nr_hsmmc; i++) + kfree(hsmmc_data[i]); } #endif diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index 459ef23ab8a8..5fedc50c58e4 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -51,7 +51,7 @@ struct omap_mux_entry { static unsigned long mux_phys; static void __iomem *mux_base; -static inline u16 omap_mux_read(u16 reg) +u16 omap_mux_read(u16 reg) { if (cpu_is_omap24xx()) return __raw_readb(mux_base + reg); @@ -59,7 +59,7 @@ static inline u16 omap_mux_read(u16 reg) return __raw_readw(mux_base + reg); } -static inline void omap_mux_write(u16 val, u16 reg) +void omap_mux_write(u16 val, u16 reg) { if (cpu_is_omap24xx()) __raw_writeb(val, mux_base + reg); @@ -67,6 +67,14 @@ static inline void omap_mux_write(u16 val, u16 reg) __raw_writew(val, mux_base + reg); } +void omap_mux_write_array(struct omap_board_mux *board_mux) +{ + while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) { + omap_mux_write(board_mux->value, board_mux->reg_offset); + board_mux++; + } +} + #if defined(CONFIG_ARCH_OMAP24XX) && defined(CONFIG_OMAP_MUX) static struct omap_mux_cfg arch_mux_cfg; @@ -478,7 +486,7 @@ int __init omap_mux_init_signal(char *muxname, int val) static inline void omap_mux_decode(struct seq_file *s, u16 val) { char *flags[OMAP_MUX_MAX_NR_FLAGS]; - char mode[14]; + char mode[sizeof("OMAP_MUX_MODE") + 1]; int i = -1; sprintf(mode, "OMAP_MUX_MODE%d", val & 0x7); @@ -545,6 +553,7 @@ static int omap_mux_dbg_board_show(struct seq_file *s, void *unused) if (!m0_name) continue; + /* REVISIT: Needs to be updated if mode0 names get longer */ for (i = 0; i < OMAP_MUX_DEFNAME_LEN; i++) { if (m0_name[i] == '\0') { m0_def[i] = m0_name[i]; @@ -833,14 +842,6 @@ static void __init omap_mux_set_cmdline_signals(void) kfree(options); } -static void __init omap_mux_set_board_signals(struct omap_board_mux *board_mux) -{ - while (board_mux->reg_offset != OMAP_MUX_TERMINATOR) { - omap_mux_write(board_mux->value, board_mux->reg_offset); - board_mux++; - } -} - static int __init omap_mux_copy_names(struct omap_mux *src, struct omap_mux *dst) { @@ -968,6 +969,13 @@ static void __init omap_mux_init_list(struct omap_mux *superset) } #endif +#if defined(CONFIG_OMAP_MUX) && defined(CONFIG_DEBUG_FS) + if (!superset->muxnames || !superset->muxnames[0]) { + superset++; + continue; + } +#endif + entry = omap_mux_list_add(superset); if (!entry) { printk(KERN_ERR "mux: Could not add entry\n"); @@ -998,12 +1006,15 @@ int __init omap_mux_init(u32 mux_pbase, u32 mux_size, omap_mux_package_fixup(package_subset, superset); if (package_balls) omap_mux_package_init_balls(package_balls, superset); - omap_mux_set_cmdline_signals(); - omap_mux_set_board_signals(board_mux); #endif omap_mux_init_list(superset); +#ifdef CONFIG_OMAP_MUX + omap_mux_set_cmdline_signals(); + omap_mux_write_array(board_mux); +#endif + return 0; } diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h index d8b4d5ad2278..f8c2e7a8f063 100644 --- a/arch/arm/mach-omap2/mux.h +++ b/arch/arm/mach-omap2/mux.h @@ -147,6 +147,30 @@ u16 omap_mux_get_gpio(int gpio); void omap_mux_set_gpio(u16 val, int gpio); /** + * omap_mux_read() - read mux register + * @mux_offset: Offset of the mux register + * + */ +u16 omap_mux_read(u16 mux_offset); + +/** + * omap_mux_write() - write mux register + * @val: New mux register value + * @mux_offset: Offset of the mux register + * + * This should be only needed for dynamic remuxing of non-gpio signals. + */ +void omap_mux_write(u16 val, u16 mux_offset); + +/** + * omap_mux_write_array() - write an array of mux registers + * @board_mux: Array of mux registers terminated by MAP_MUX_TERMINATOR + * + * This should be only needed for dynamic remuxing of non-gpio signals. + */ +void omap_mux_write_array(struct omap_board_mux *board_mux); + +/** * omap3_mux_init() - initialize mux system with board specific set * @board_mux: Board specific mux table * @flags: OMAP package type used for the board diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c index 68e0a595f9a1..07aa7b3c95f7 100644 --- a/arch/arm/mach-omap2/mux34xx.c +++ b/arch/arm/mach-omap2/mux34xx.c @@ -649,6 +649,53 @@ static struct omap_mux __initdata omap3_muxmodes[] = { _OMAP3_MUXENTRY(UART3_TX_IRTX, 166, "uart3_tx_irtx", NULL, NULL, NULL, "gpio_166", NULL, NULL, "safe_mode"), + + /* Only on 3630, see omap36xx_cbp_subset for the signals */ + _OMAP3_MUXENTRY(GPMC_A11, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MBUSFLAG, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MREAD, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MWRITE, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_SBUSFLAG, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_SREAD, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_SWRITE, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(GPMC_A11, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD28, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD29, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD32, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD33, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD34, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD35, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), + _OMAP3_MUXENTRY(SAD2D_MCAD36, 0, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL), { .reg_offset = OMAP_MUX_TERMINATOR }, }; diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d8c8545875b1..478ae585ca39 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -94,7 +94,8 @@ static int _update_sysc_cache(struct omap_hwmod *oh) oh->_sysc_cache = omap_hwmod_readl(oh, oh->sysconfig->sysc_offs); - oh->_int_flags |= _HWMOD_SYSCONFIG_LOADED; + if (!(oh->sysconfig->sysc_flags & SYSC_NO_CACHE)) + oh->_int_flags |= _HWMOD_SYSCONFIG_LOADED; return 0; } diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 860b755d2220..a0866268aa41 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -54,8 +54,6 @@ int omap2_pm_debug; regs[reg_count++].val = \ __raw_readl(OMAP2_L4_IO_ADDRESS(0x480fe000 + (off))) -static int __init pm_dbg_init(void); - void omap2_pm_dump(int mode, int resume, unsigned int us) { struct reg { @@ -167,6 +165,8 @@ struct dentry *pm_dbg_dir; static int pm_dbg_init_done; +static int __init pm_dbg_init(void); + enum { DEBUG_FILE_COUNTERS = 0, DEBUG_FILE_TIMERS, @@ -488,9 +488,11 @@ int pm_dbg_regset_init(int reg_set) static int pwrdm_suspend_get(void *data, u64 *val) { - *val = omap3_pm_get_suspend_state((struct powerdomain *)data); + int ret; + ret = omap3_pm_get_suspend_state((struct powerdomain *)data); + *val = ret; - if (*val >= 0) + if (ret >= 0) return 0; return *val; } @@ -604,6 +606,4 @@ static int __init pm_dbg_init(void) } arch_initcall(pm_dbg_init); -#else -void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) {} #endif diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 0bf345db7147..7a9c2d004511 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -32,12 +32,16 @@ extern struct omap_dm_timer *gptimer_wakeup; #ifdef CONFIG_PM_DEBUG extern void omap2_pm_dump(int mode, int resume, unsigned int us); extern int omap2_pm_debug; +#else +#define omap2_pm_dump(mode, resume, us) do {} while (0); +#define omap2_pm_debug 0 +#endif + +#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); extern int pm_dbg_regset_save(int reg_set); extern int pm_dbg_regset_init(int reg_set); #else -#define omap2_pm_dump(mode, resume, us) do {} while (0); -#define omap2_pm_debug 0 #define pm_dbg_update_time(pwrdm, prev) do {} while (0); #define pm_dbg_regset_save(reg_set) do {} while (0); #define pm_dbg_regset_init(reg_set) do {} while (0); diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index c6cc809afb79..910a7acf542d 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -26,6 +26,7 @@ #include <linux/err.h> #include <linux/gpio.h> #include <linux/clk.h> +#include <linux/delay.h> #include <plat/sram.h> #include <plat/clockdomain.h> @@ -126,7 +127,15 @@ static void omap3_core_save_context(void) /* wait for the save to complete */ while (!(omap_ctrl_readl(OMAP343X_CONTROL_GENERAL_PURPOSE_STATUS) & PADCONF_SAVE_DONE)) - ; + udelay(1); + + /* + * Force write last pad into memory, as this can fail in some + * cases according to erratas 1.157, 1.185 + */ + omap_ctrl_writel(omap_ctrl_readl(OMAP343X_PADCONF_ETK_D14), + OMAP343X_CONTROL_MEM_WKUP + 0x2a0); + /* Save the Interrupt controller context */ omap_intc_save_context(); /* Save the GPMC context */ @@ -392,6 +401,7 @@ void omap_sram_idle(void) prm_set_mod_reg_bits(OMAP3430_EN_IO, WKUP_MOD, PM_WKEN); omap3_enable_io_chain(); } + omap3_intc_prepare_idle(); /* * On EMU/HS devices ROM code restores a SRDC value @@ -438,6 +448,7 @@ void omap_sram_idle(void) OMAP3430_GR_MOD, OMAP3_PRM_VOLTCTRL_OFFSET); } + omap3_intc_resume_idle(); /* PER */ if (per_next_state < PWRDM_POWER_ON) { @@ -578,6 +589,8 @@ static int omap3_pm_suspend(void) } omap_uart_prepare_suspend(); + omap3_intc_suspend(); + omap_sram_idle(); restore: @@ -835,6 +848,8 @@ static void __init prcm_setup_regs(void) CM_AUTOIDLE); } + omap_ctrl_writel(OMAP3430_AUTOIDLE, OMAP2_CONTROL_SYSCONFIG); + /* * Set all plls to autoidle. This is needed until autoidle is * enabled by clockfw @@ -875,15 +890,23 @@ static void __init prcm_setup_regs(void) prm_write_mod_reg(OMAP3430_IO_EN | OMAP3430_WKUP_EN, OCP_MOD, OMAP3_PRM_IRQENABLE_MPU_OFFSET); + /* Enable PM_WKEN to support DSS LPR */ + prm_write_mod_reg(OMAP3430_PM_WKEN_DSS_EN_DSS, + OMAP3430_DSS_MOD, PM_WKEN); + /* Enable wakeups in PER */ prm_write_mod_reg(OMAP3430_EN_GPIO2 | OMAP3430_EN_GPIO3 | OMAP3430_EN_GPIO4 | OMAP3430_EN_GPIO5 | - OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3, + OMAP3430_EN_GPIO6 | OMAP3430_EN_UART3 | + OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 | + OMAP3430_EN_MCBSP4, OMAP3430_PER_MOD, PM_WKEN); /* and allow them to wake up MPU */ prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2 | OMAP3430_EN_GPIO3 | OMAP3430_GRPSEL_GPIO4 | OMAP3430_EN_GPIO5 | - OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3, + OMAP3430_GRPSEL_GPIO6 | OMAP3430_EN_UART3 | + OMAP3430_EN_MCBSP2 | OMAP3430_EN_MCBSP3 | + OMAP3430_EN_MCBSP4, OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL); /* Don't attach IVA interrupts */ @@ -904,24 +927,6 @@ static void __init prcm_setup_regs(void) /* Clear any pending PRCM interrupts */ prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); - /* Don't attach IVA interrupts */ - prm_write_mod_reg(0, WKUP_MOD, OMAP3430_PM_IVAGRPSEL); - prm_write_mod_reg(0, CORE_MOD, OMAP3430_PM_IVAGRPSEL1); - prm_write_mod_reg(0, CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3); - prm_write_mod_reg(0, OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL); - - /* Clear any pending 'reset' flags */ - prm_write_mod_reg(0xffffffff, MPU_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, CORE_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_PER_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_EMU_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_NEON_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430_DSS_MOD, RM_RSTST); - prm_write_mod_reg(0xffffffff, OMAP3430ES2_USBHOST_MOD, RM_RSTST); - - /* Clear any pending PRCM interrupts */ - prm_write_mod_reg(0, OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); - omap3_iva_idle(); omap3_d2d_idle(); } diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index 3ea8177ffb25..cf466ea1dffc 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -44,7 +44,6 @@ struct omap3_prcm_regs { u32 iva2_cm_clksel2; u32 cm_sysconfig; u32 sgx_cm_clksel; - u32 wkup_cm_clksel; u32 dss_cm_clksel; u32 cam_cm_clksel; u32 per_cm_clksel; @@ -53,7 +52,6 @@ struct omap3_prcm_regs { u32 pll_cm_autoidle2; u32 pll_cm_clksel4; u32 pll_cm_clksel5; - u32 pll_cm_clken; u32 pll_cm_clken2; u32 cm_polctrl; u32 iva2_cm_fclken; @@ -77,7 +75,6 @@ struct omap3_prcm_regs { u32 usbhost_cm_iclken; u32 iva2_cm_autiidle2; u32 mpu_cm_autoidle2; - u32 pll_cm_autoidle; u32 iva2_cm_clkstctrl; u32 mpu_cm_clkstctrl; u32 core_cm_clkstctrl; @@ -274,7 +271,6 @@ void omap3_prcm_save_context(void) prcm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG); prcm_context.sgx_cm_clksel = cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL); - prcm_context.wkup_cm_clksel = cm_read_mod_reg(WKUP_MOD, CM_CLKSEL); prcm_context.dss_cm_clksel = cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL); prcm_context.cam_cm_clksel = @@ -291,8 +287,6 @@ void omap3_prcm_save_context(void) cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4); prcm_context.pll_cm_clksel5 = cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5); - prcm_context.pll_cm_clken = - cm_read_mod_reg(PLL_MOD, CM_CLKEN); prcm_context.pll_cm_clken2 = cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2); prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); @@ -338,8 +332,6 @@ void omap3_prcm_save_context(void) cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2); prcm_context.mpu_cm_autoidle2 = cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2); - prcm_context.pll_cm_autoidle = - cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE); prcm_context.iva2_cm_clkstctrl = cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSTCTRL); prcm_context.mpu_cm_clkstctrl = @@ -431,7 +423,6 @@ void omap3_prcm_restore_context(void) __raw_writel(prcm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG); cm_write_mod_reg(prcm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD, CM_CLKSEL); - cm_write_mod_reg(prcm_context.wkup_cm_clksel, WKUP_MOD, CM_CLKSEL); cm_write_mod_reg(prcm_context.dss_cm_clksel, OMAP3430_DSS_MOD, CM_CLKSEL); cm_write_mod_reg(prcm_context.cam_cm_clksel, OMAP3430_CAM_MOD, @@ -448,7 +439,6 @@ void omap3_prcm_restore_context(void) OMAP3430ES2_CM_CLKSEL4); cm_write_mod_reg(prcm_context.pll_cm_clksel5, PLL_MOD, OMAP3430ES2_CM_CLKSEL5); - cm_write_mod_reg(prcm_context.pll_cm_clken, PLL_MOD, CM_CLKEN); cm_write_mod_reg(prcm_context.pll_cm_clken2, PLL_MOD, OMAP3430ES2_CM_CLKEN2); __raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL); @@ -487,7 +477,6 @@ void omap3_prcm_restore_context(void) cm_write_mod_reg(prcm_context.iva2_cm_autiidle2, OMAP3430_IVA2_MOD, CM_AUTOIDLE2); cm_write_mod_reg(prcm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2); - cm_write_mod_reg(prcm_context.pll_cm_autoidle, PLL_MOD, CM_AUTOIDLE); cm_write_mod_reg(prcm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD, CM_CLKSTCTRL); cm_write_mod_reg(prcm_context.mpu_cm_clkstctrl, MPU_MOD, CM_CLKSTCTRL); diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h index ea050ce188a7..40f006285163 100644 --- a/arch/arm/mach-omap2/prm.h +++ b/arch/arm/mach-omap2/prm.h @@ -24,6 +24,8 @@ OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE + (module) + (reg)) #define OMAP44XX_PRM_REGADDR(module, reg) \ OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE + (module) + (reg)) +#define OMAP44XX_CHIRONSS_REGADDR(module, reg) \ + OMAP2_L4_IO_ADDRESS(OMAP4430_CHIRONSS_BASE + (module) + (reg)) #include "prm44xx.h" diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h index 89be97f0589d..adb2558bb121 100644 --- a/arch/arm/mach-omap2/prm44xx.h +++ b/arch/arm/mach-omap2/prm44xx.h @@ -386,26 +386,26 @@ /* CHIRON_PRCM.CHIRONSS_OCP_SOCKET_PRCM register offsets */ -#define OMAP4430_REVISION_PRCM OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_OCP_SOCKET_PRCM_MOD, 0x0000) +#define OMAP4430_REVISION_PRCM OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_OCP_SOCKET_PRCM_MOD, 0x0000) /* CHIRON_PRCM.CHIRONSS_DEVICE_PRM register offsets */ -#define OMAP4430_CHIRON_PRCM_PRM_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_DEVICE_PRM_MOD, 0x0000) +#define OMAP4430_CHIRON_PRCM_PRM_RSTST OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_DEVICE_PRM_MOD, 0x0000) /* CHIRON_PRCM.CHIRONSS_CPU0 register offsets */ -#define OMAP4430_PM_PDA_CPU0_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0000) -#define OMAP4430_PM_PDA_CPU0_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0004) -#define OMAP4430_RM_PDA_CPU0_CPU0_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0008) -#define OMAP4430_RM_PDA_CPU0_CPU0_RSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x000c) -#define OMAP4430_RM_PDA_CPU0_CPU0_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0010) -#define OMAP4430_CM_PDA_CPU0_CPU0_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0014) -#define OMAP4430_CM_PDA_CPU0_CLKSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0018) +#define OMAP4430_PM_PDA_CPU0_PWRSTCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0000) +#define OMAP4430_PM_PDA_CPU0_PWRSTST OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0004) +#define OMAP4430_RM_PDA_CPU0_CPU0_CONTEXT OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0008) +#define OMAP4430_RM_PDA_CPU0_CPU0_RSTCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x000c) +#define OMAP4430_RM_PDA_CPU0_CPU0_RSTST OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0010) +#define OMAP4430_CM_PDA_CPU0_CPU0_CLKCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0014) +#define OMAP4430_CM_PDA_CPU0_CLKSTCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU0_MOD, 0x0018) /* CHIRON_PRCM.CHIRONSS_CPU1 register offsets */ -#define OMAP4430_PM_PDA_CPU1_PWRSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0000) -#define OMAP4430_PM_PDA_CPU1_PWRSTST OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0004) -#define OMAP4430_RM_PDA_CPU1_CPU1_CONTEXT OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0008) -#define OMAP4430_RM_PDA_CPU1_CPU1_RSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x000c) -#define OMAP4430_RM_PDA_CPU1_CPU1_RSTST OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0010) -#define OMAP4430_CM_PDA_CPU1_CPU1_CLKCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0014) -#define OMAP4430_CM_PDA_CPU1_CLKSTCTRL OMAP44XX_PRM_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0018) +#define OMAP4430_PM_PDA_CPU1_PWRSTCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0000) +#define OMAP4430_PM_PDA_CPU1_PWRSTST OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0004) +#define OMAP4430_RM_PDA_CPU1_CPU1_CONTEXT OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0008) +#define OMAP4430_RM_PDA_CPU1_CPU1_RSTCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x000c) +#define OMAP4430_RM_PDA_CPU1_CPU1_RSTST OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0010) +#define OMAP4430_CM_PDA_CPU1_CPU1_CLKCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0014) +#define OMAP4430_CM_PDA_CPU1_CLKSTCTRL OMAP44XX_CHIRONSS_REGADDR(OMAP4430_CHIRONSS_CHIRONSS_CPU1_MOD, 0x0018) #endif diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 8c964bec8159..e10a02df6e1d 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -36,7 +36,13 @@ #define UART_OMAP_NO_EMPTY_FIFO_READ_IP_REV 0x52 #define UART_OMAP_WER 0x17 /* Wake-up enable register */ -#define DEFAULT_TIMEOUT (5 * HZ) +/* + * NOTE: By default the serial timeout is disabled as it causes lost characters + * over the serial ports. This means that the UART clocks will stay on until + * disabled via sysfs. This also causes that any deeper omap sleep states are + * blocked. + */ +#define DEFAULT_TIMEOUT 0 struct omap_uart_state { int num; @@ -422,7 +428,8 @@ static void omap_uart_idle_init(struct omap_uart_state *uart) uart->timeout = DEFAULT_TIMEOUT; setup_timer(&uart->timer, omap_uart_idle_timer, (unsigned long) uart); - mod_timer(&uart->timer, jiffies + uart->timeout); + if (uart->timeout) + mod_timer(&uart->timer, jiffies + uart->timeout); omap_uart_smart_idle_enable(uart, 0); if (cpu_is_omap34xx()) { diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index 15268f8b61de..c3626ea48143 100644 --- a/arch/arm/mach-omap2/sleep34xx.S +++ b/arch/arm/mach-omap2/sleep34xx.S @@ -245,7 +245,8 @@ restore: mov r1, #0 @ set task id for ROM code in r1 mov r2, #4 @ set some flags in r2, r6 mov r6, #0xff - adr r3, write_aux_control_params @ r3 points to parameters + ldr r4, scratchpad_base + ldr r3, [r4, #0xBC] @ r3 points to parameters mcr p15, 0, r0, c7, c10, 4 @ data write barrier mcr p15, 0, r0, c7, c10, 5 @ data memory barrier .word 0xE1600071 @ call SMI monitor (smi #1) @@ -253,14 +254,14 @@ restore: b logic_l1_restore l2_inv_api_params: .word 0x1, 0x00 -write_aux_control_params: - .word 0x1, 0x72 l2_inv_gp: /* Execute smi to invalidate L2 cache */ mov r12, #0x1 @ set up to invalide L2 smi: .word 0xE1600070 @ Call SMI monitor (smieq) /* Write to Aux control register to set some bits */ - mov r0, #0x72 + ldr r4, scratchpad_base + ldr r3, [r4,#0xBC] + ldr r0, [r3,#4] mov r12, #0x3 .word 0xE1600070 @ Call SMI monitor (smieq) logic_l1_restore: @@ -271,6 +272,7 @@ logic_l1_restore: ldr r4, scratchpad_base ldr r3, [r4,#0xBC] + adds r3, r3, #8 ldmia r3!, {r4-r6} mov sp, r4 msr spsr_cxsf, r5 @@ -387,6 +389,9 @@ usettbr0: save_context_wfi: /*b save_context_wfi*/ @ enable to debug save code mov r8, r0 /* Store SDRAM address in r8 */ + mrc p15, 0, r5, c1, c0, 1 @ Read Auxiliary Control Register + mov r4, #0x1 @ Number of parameters for restore call + stmia r8!, {r4-r5} /* Check what that target sleep state is:stored in r1*/ /* 1 - Only L1 and logic lost */ /* 2 - Only L2 lost */ |