diff options
Diffstat (limited to 'arch/arm/mach-imx/pm-imx6.c')
| -rw-r--r-- | arch/arm/mach-imx/pm-imx6.c | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 8ff8fc0b261c..4470376af5f8 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -93,6 +93,7 @@ struct imx6_pm_socdata { const char *src_compat; const char *iomuxc_compat; const char *gpc_compat; + const char *pl310_compat; const u32 mmdc_io_num; const u32 *mmdc_io_offset; }; @@ -137,11 +138,19 @@ static const u32 imx6sx_mmdc_io_offset[] __initconst = { 0x330, 0x334, 0x338, 0x33c, /* SDQS0 ~ SDQS3 */ }; +static const u32 imx6ul_mmdc_io_offset[] __initconst = { + 0x244, 0x248, 0x24c, 0x250, /* DQM0, DQM1, RAS, CAS */ + 0x27c, 0x498, 0x4a4, 0x490, /* SDCLK0, GPR_B0DS-B1DS, GPR_ADDS */ + 0x280, 0x284, 0x260, 0x264, /* SDQS0~1, SODT0, SODT1 */ + 0x494, 0x4b0, /* MODE_CTL, MODE, */ +}; + static const struct imx6_pm_socdata imx6q_pm_data __initconst = { .mmdc_compat = "fsl,imx6q-mmdc", .src_compat = "fsl,imx6q-src", .iomuxc_compat = "fsl,imx6q-iomuxc", .gpc_compat = "fsl,imx6q-gpc", + .pl310_compat = "arm,pl310-cache", .mmdc_io_num = ARRAY_SIZE(imx6q_mmdc_io_offset), .mmdc_io_offset = imx6q_mmdc_io_offset, }; @@ -151,6 +160,7 @@ static const struct imx6_pm_socdata imx6dl_pm_data __initconst = { .src_compat = "fsl,imx6q-src", .iomuxc_compat = "fsl,imx6dl-iomuxc", .gpc_compat = "fsl,imx6q-gpc", + .pl310_compat = "arm,pl310-cache", .mmdc_io_num = ARRAY_SIZE(imx6dl_mmdc_io_offset), .mmdc_io_offset = imx6dl_mmdc_io_offset, }; @@ -160,6 +170,7 @@ static const struct imx6_pm_socdata imx6sl_pm_data __initconst = { .src_compat = "fsl,imx6sl-src", .iomuxc_compat = "fsl,imx6sl-iomuxc", .gpc_compat = "fsl,imx6sl-gpc", + .pl310_compat = "arm,pl310-cache", .mmdc_io_num = ARRAY_SIZE(imx6sl_mmdc_io_offset), .mmdc_io_offset = imx6sl_mmdc_io_offset, }; @@ -169,10 +180,21 @@ static const struct imx6_pm_socdata imx6sx_pm_data __initconst = { .src_compat = "fsl,imx6sx-src", .iomuxc_compat = "fsl,imx6sx-iomuxc", .gpc_compat = "fsl,imx6sx-gpc", + .pl310_compat = "arm,pl310-cache", .mmdc_io_num = ARRAY_SIZE(imx6sx_mmdc_io_offset), .mmdc_io_offset = imx6sx_mmdc_io_offset, }; +static const struct imx6_pm_socdata imx6ul_pm_data __initconst = { + .mmdc_compat = "fsl,imx6ul-mmdc", + .src_compat = "fsl,imx6ul-src", + .iomuxc_compat = "fsl,imx6ul-iomuxc", + .gpc_compat = "fsl,imx6ul-gpc", + .pl310_compat = NULL, + .mmdc_io_num = ARRAY_SIZE(imx6ul_mmdc_io_offset), + .mmdc_io_offset = imx6ul_mmdc_io_offset, +}; + /* * This structure is for passing necessary data for low level ocram * suspend code(arch/arm/mach-imx/suspend-imx6.S), if this struct @@ -290,7 +312,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode) val |= BM_CLPCR_SBYOS; if (cpu_is_imx6sl()) val |= BM_CLPCR_BYPASS_PMIC_READY; - if (cpu_is_imx6sl() || cpu_is_imx6sx()) + if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul()) val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS; else val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; @@ -330,6 +352,10 @@ static int imx6q_suspend_finish(unsigned long val) * as we need to float DDR IO. */ local_flush_tlb_all(); + /* check if need to flush internal L2 cache */ + if (!((struct imx6_cpu_pm_info *) + suspend_ocram_base)->l2_base.vbase) + flush_cache_all(); imx6_suspend_in_ocram_fn(suspend_ocram_base); } @@ -470,6 +496,7 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata) suspend_ocram_base = __arm_ioremap_exec(ocram_pbase, MX6Q_SUSPEND_OCRAM_SIZE, false); + memset(suspend_ocram_base, 0, sizeof(*pm_info)); pm_info = suspend_ocram_base; pm_info->pbase = ocram_pbase; pm_info->resume_addr = virt_to_phys(v7_cpu_resume); @@ -505,11 +532,13 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata) goto gpc_map_failed; } - ret = imx6_pm_get_base(&pm_info->l2_base, "arm,pl310-cache"); - if (ret) { - pr_warn("%s: failed to get pl310-cache base %d!\n", - __func__, ret); - goto pl310_cache_map_failed; + if (socdata->pl310_compat) { + ret = imx6_pm_get_base(&pm_info->l2_base, socdata->pl310_compat); + if (ret) { + pr_warn("%s: failed to get pl310-cache base %d!\n", + __func__, ret); + goto pl310_cache_map_failed; + } } pm_info->ddr_type = imx_mmdc_get_ddr_type(); @@ -610,3 +639,8 @@ void __init imx6sx_pm_init(void) { imx6_pm_common_init(&imx6sx_pm_data); } + +void __init imx6ul_pm_init(void) +{ + imx6_pm_common_init(&imx6ul_pm_data); +} |