diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-omap1/clock.c | 20 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/clock.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/include/mach/usb.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap1/usb.c | 51 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock.c | 61 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/display.c | 258 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/display.h | 7 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 33 |
9 files changed, 58 insertions, 380 deletions
diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c index 4f5fd4a084c0..43e3e188f521 100644 --- a/arch/arm/mach-omap1/clock.c +++ b/arch/arm/mach-omap1/clock.c @@ -720,26 +720,6 @@ EXPORT_SYMBOL(clk_get_parent); * OMAP specific clock functions shared between omap1 and omap2 */ -int __initdata mpurate; - -/* - * By default we use the rate set by the bootloader. - * You can override this with mpurate= cmdline option. - */ -static int __init omap_clk_setup(char *str) -{ - get_option(&str, &mpurate); - - if (!mpurate) - return 1; - - if (mpurate < 1000) - mpurate *= 1000000; - - return 1; -} -__setup("mpurate=", omap_clk_setup); - /* Used for clocks that always have same value as the parent clock */ unsigned long followparent_recalc(struct clk *clk) { diff --git a/arch/arm/mach-omap1/clock.h b/arch/arm/mach-omap1/clock.h index 1e4918a3a5ee..f2d1be211723 100644 --- a/arch/arm/mach-omap1/clock.h +++ b/arch/arm/mach-omap1/clock.h @@ -173,8 +173,6 @@ struct clk_functions { void (*clk_disable_unused)(struct clk *clk); }; -extern int mpurate; - extern int clk_init(struct clk_functions *custom_clocks); extern void clk_preinit(struct clk *clk); extern int clk_register(struct clk *clk); diff --git a/arch/arm/mach-omap1/include/mach/usb.h b/arch/arm/mach-omap1/include/mach/usb.h index a7c5559caef2..eb76628ff843 100644 --- a/arch/arm/mach-omap1/include/mach/usb.h +++ b/arch/arm/mach-omap1/include/mach/usb.h @@ -10,8 +10,6 @@ #include <linux/platform_data/usb-omap1.h> -void omap_otg_init(struct omap_usb_config *config); - #if IS_ENABLED(CONFIG_USB) void omap1_usb_init(struct omap_usb_config *pdata); #else diff --git a/arch/arm/mach-omap1/usb.c b/arch/arm/mach-omap1/usb.c index 2506e598a067..455e2cf2866d 100644 --- a/arch/arm/mach-omap1/usb.c +++ b/arch/arm/mach-omap1/usb.c @@ -1,5 +1,5 @@ /* - * Platform level USB initialization for FS USB OTG controller on omap1 and 24xx + * Platform level USB initialization for FS USB OTG controller on omap1 * * Copyright (C) 2004 Texas Instruments, Inc. * @@ -58,11 +58,12 @@ #ifdef CONFIG_ARCH_OMAP_OTG -void __init +static void __init omap_otg_init(struct omap_usb_config *config) { u32 syscon; int alt_pingroup = 0; + u16 w; /* NOTE: no bus or clock setup (yet?) */ @@ -87,39 +88,35 @@ omap_otg_init(struct omap_usb_config *config) if (config->otg) syscon |= OTG_EN; #endif - if (cpu_class_is_omap1()) - pr_debug("USB_TRANSCEIVER_CTRL = %03x\n", - omap_readl(USB_TRANSCEIVER_CTRL)); + pr_debug("USB_TRANSCEIVER_CTRL = %03x\n", + omap_readl(USB_TRANSCEIVER_CTRL)); pr_debug("OTG_SYSCON_2 = %08x\n", omap_readl(OTG_SYSCON_2)); omap_writel(syscon, OTG_SYSCON_2); printk("USB: hmc %d", config->hmc_mode); if (!alt_pingroup) - printk(", usb2 alt %d wires", config->pins[2]); + pr_cont(", usb2 alt %d wires", config->pins[2]); else if (config->pins[0]) - printk(", usb0 %d wires%s", config->pins[0], + pr_cont(", usb0 %d wires%s", config->pins[0], is_usb0_device(config) ? " (dev)" : ""); if (config->pins[1]) - printk(", usb1 %d wires", config->pins[1]); + pr_cont(", usb1 %d wires", config->pins[1]); if (!alt_pingroup && config->pins[2]) - printk(", usb2 %d wires", config->pins[2]); + pr_cont(", usb2 %d wires", config->pins[2]); if (config->otg) - printk(", Mini-AB on usb%d", config->otg - 1); - printk("\n"); + pr_cont(", Mini-AB on usb%d", config->otg - 1); + pr_cont("\n"); - if (cpu_class_is_omap1()) { - u16 w; + /* leave USB clocks/controllers off until needed */ + w = omap_readw(ULPD_SOFT_REQ); + w &= ~SOFT_USB_CLK_REQ; + omap_writew(w, ULPD_SOFT_REQ); - /* leave USB clocks/controllers off until needed */ - w = omap_readw(ULPD_SOFT_REQ); - w &= ~SOFT_USB_CLK_REQ; - omap_writew(w, ULPD_SOFT_REQ); + w = omap_readw(ULPD_CLOCK_CTRL); + w &= ~USB_MCLK_EN; + w |= DIS_USB_PVCI_CLK; + omap_writew(w, ULPD_CLOCK_CTRL); - w = omap_readw(ULPD_CLOCK_CTRL); - w &= ~USB_MCLK_EN; - w |= DIS_USB_PVCI_CLK; - omap_writew(w, ULPD_CLOCK_CTRL); - } syscon = omap_readl(OTG_SYSCON_1); syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN; @@ -166,7 +163,7 @@ omap_otg_init(struct omap_usb_config *config) } #else -void omap_otg_init(struct omap_usb_config *config) {} +static void omap_otg_init(struct omap_usb_config *config) {} #endif #if IS_ENABLED(CONFIG_USB_OMAP) @@ -573,13 +570,13 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config) printk("USB: hmc %d", config->hmc_mode); if (config->pins[0]) - printk(", usb0 %d wires%s", config->pins[0], + pr_cont(", usb0 %d wires%s", config->pins[0], is_usb0_device(config) ? " (dev)" : ""); if (config->pins[1]) - printk(", usb1 %d wires", config->pins[1]); + pr_cont(", usb1 %d wires", config->pins[1]); if (config->pins[2]) - printk(", usb2 %d wires", config->pins[2]); - printk("\n"); + pr_cont(", usb2 %d wires", config->pins[2]); + pr_cont("\n"); /* use DPLL for 48 MHz function clock */ pr_debug("APLL %04x DPLL %04x REQ %04x\n", omap_readw(ULPD_APLL_CTRL), diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index d058125876d8..1270afdcacdf 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -78,8 +78,6 @@ int __init omap2_clk_setup_ll_ops(void) * OMAP2+ specific clock functions */ -/* Private functions */ - /* Public functions */ /** @@ -112,65 +110,6 @@ void omap2_init_clk_clkdm(struct clk_hw *hw) } } -static int __initdata mpurate; - -/* - * By default we use the rate set by the bootloader. - * You can override this with mpurate= cmdline option. - */ -static int __init omap_clk_setup(char *str) -{ - get_option(&str, &mpurate); - - if (!mpurate) - return 1; - - if (mpurate < 1000) - mpurate *= 1000000; - - return 1; -} -__setup("mpurate=", omap_clk_setup); - -/** - * omap2_clk_print_new_rates - print summary of current clock tree rates - * @hfclkin_ck_name: clk name for the off-chip HF oscillator - * @core_ck_name: clk name for the on-chip CORE_CLK - * @mpu_ck_name: clk name for the ARM MPU clock - * - * Prints a short message to the console with the HFCLKIN oscillator - * rate, the rate of the CORE clock, and the rate of the ARM MPU clock. - * Called by the boot-time MPU rate switching code. XXX This is intended - * to be handled by the OPP layer code in the near future and should be - * removed from the clock code. No return value. - */ -void __init omap2_clk_print_new_rates(const char *hfclkin_ck_name, - const char *core_ck_name, - const char *mpu_ck_name) -{ - struct clk *hfclkin_ck, *core_ck, *mpu_ck; - unsigned long hfclkin_rate; - - mpu_ck = clk_get(NULL, mpu_ck_name); - if (WARN(IS_ERR(mpu_ck), "clock: failed to get %s.\n", mpu_ck_name)) - return; - - core_ck = clk_get(NULL, core_ck_name); - if (WARN(IS_ERR(core_ck), "clock: failed to get %s.\n", core_ck_name)) - return; - - hfclkin_ck = clk_get(NULL, hfclkin_ck_name); - if (WARN(IS_ERR(hfclkin_ck), "Failed to get %s.\n", hfclkin_ck_name)) - return; - - hfclkin_rate = clk_get_rate(hfclkin_ck); - - pr_info("Switched to new clocking rate (Crystal/Core/MPU): %ld.%01ld/%ld/%ld MHz\n", - (hfclkin_rate / 1000000), ((hfclkin_rate / 100000) % 10), - (clk_get_rate(core_ck) / 1000000), - (clk_get_rate(mpu_ck) / 1000000)); -} - /** * ti_clk_init_features - init clock features struct for the SoC * diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h index 67da640ba1c7..4e66295dca25 100644 --- a/arch/arm/mach-omap2/clock.h +++ b/arch/arm/mach-omap2/clock.h @@ -64,10 +64,6 @@ #define OMAP4XXX_EN_DPLL_FRBYPASS 0x6 #define OMAP4XXX_EN_DPLL_LOCKED 0x7 -void omap2_clk_print_new_rates(const char *hfclkin_ck_name, - const char *core_ck_name, - const char *mpu_ck_name); - extern u16 cpu_mask; extern const struct clkops clkops_omap2_dflt_wait; diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index e71cca0950e9..8fa01c0ecdb2 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -46,8 +46,6 @@ #define DISPC_CONTROL3 0x0848 #define DISPC_IRQSTATUS 0x0018 -#define DSS_SYSCONFIG 0x10 -#define DSS_SYSSTATUS 0x14 #define DSS_CONTROL 0x40 #define DSS_SDI_CONTROL 0x44 #define DSS_PLL_CONTROL 0x48 @@ -76,36 +74,6 @@ static struct platform_device omap_display_device = { }, }; -struct omap_dss_hwmod_data { - const char *oh_name; - const char *dev_name; - const int id; -}; - -static const struct omap_dss_hwmod_data omap2_dss_hwmod_data[] __initconst = { - { "dss_core", "omapdss_dss", -1 }, - { "dss_dispc", "omapdss_dispc", -1 }, - { "dss_rfbi", "omapdss_rfbi", -1 }, - { "dss_venc", "omapdss_venc", -1 }, -}; - -static const struct omap_dss_hwmod_data omap3_dss_hwmod_data[] __initconst = { - { "dss_core", "omapdss_dss", -1 }, - { "dss_dispc", "omapdss_dispc", -1 }, - { "dss_rfbi", "omapdss_rfbi", -1 }, - { "dss_venc", "omapdss_venc", -1 }, - { "dss_dsi1", "omapdss_dsi", 0 }, -}; - -static const struct omap_dss_hwmod_data omap4_dss_hwmod_data[] __initconst = { - { "dss_core", "omapdss_dss", -1 }, - { "dss_dispc", "omapdss_dispc", -1 }, - { "dss_rfbi", "omapdss_rfbi", -1 }, - { "dss_dsi1", "omapdss_dsi", 0 }, - { "dss_dsi2", "omapdss_dsi", 1 }, - { "dss_hdmi", "omapdss_hdmi", -1 }, -}; - #define OMAP4_DSIPHY_SYSCON_OFFSET 0x78 static struct regmap *omap4_dsi_mux_syscon; @@ -162,104 +130,6 @@ static int omap_dss_set_min_bus_tput(struct device *dev, unsigned long tput) return omap_pm_set_min_bus_tput(dev, OCP_INITIATOR_AGENT, tput); } -static struct platform_device *create_dss_pdev(const char *pdev_name, - int pdev_id, const char *oh_name, void *pdata, int pdata_len, - struct platform_device *parent) -{ - struct platform_device *pdev; - struct omap_device *od; - struct omap_hwmod *ohs[1]; - struct omap_hwmod *oh; - int r; - - oh = omap_hwmod_lookup(oh_name); - if (!oh) { - pr_err("Could not look up %s\n", oh_name); - r = -ENODEV; - goto err; - } - - pdev = platform_device_alloc(pdev_name, pdev_id); - if (!pdev) { - pr_err("Could not create pdev for %s\n", pdev_name); - r = -ENOMEM; - goto err; - } - - if (parent != NULL) - pdev->dev.parent = &parent->dev; - - if (pdev->id != -1) - dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id); - else - dev_set_name(&pdev->dev, "%s", pdev->name); - - ohs[0] = oh; - od = omap_device_alloc(pdev, ohs, 1); - if (IS_ERR(od)) { - pr_err("Could not alloc omap_device for %s\n", pdev_name); - r = -ENOMEM; - goto err; - } - - r = platform_device_add_data(pdev, pdata, pdata_len); - if (r) { - pr_err("Could not set pdata for %s\n", pdev_name); - goto err; - } - - r = omap_device_register(pdev); - if (r) { - pr_err("Could not register omap_device for %s\n", pdev_name); - goto err; - } - - return pdev; - -err: - return ERR_PTR(r); -} - -static struct platform_device *create_simple_dss_pdev(const char *pdev_name, - int pdev_id, void *pdata, int pdata_len, - struct platform_device *parent) -{ - struct platform_device *pdev; - int r; - - pdev = platform_device_alloc(pdev_name, pdev_id); - if (!pdev) { - pr_err("Could not create pdev for %s\n", pdev_name); - r = -ENOMEM; - goto err; - } - - if (parent != NULL) - pdev->dev.parent = &parent->dev; - - if (pdev->id != -1) - dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id); - else - dev_set_name(&pdev->dev, "%s", pdev->name); - - r = platform_device_add_data(pdev, pdata, pdata_len); - if (r) { - pr_err("Could not set pdata for %s\n", pdev_name); - goto err; - } - - r = platform_device_add(pdev); - if (r) { - pr_err("Could not register platform_device for %s\n", pdev_name); - goto err; - } - - return pdev; - -err: - return ERR_PTR(r); -} - static enum omapdss_version __init omap_display_get_version(void) { if (cpu_is_omap24xx()) @@ -293,132 +163,6 @@ static enum omapdss_version __init omap_display_get_version(void) return OMAPDSS_VER_UNKNOWN; } -int __init omap_display_init(struct omap_dss_board_info *board_data) -{ - int r = 0; - struct platform_device *pdev; - int i, oh_count; - const struct omap_dss_hwmod_data *curr_dss_hwmod; - struct platform_device *dss_pdev; - enum omapdss_version ver; - - /* create omapdss device */ - - ver = omap_display_get_version(); - - if (ver == OMAPDSS_VER_UNKNOWN) { - pr_err("DSS not supported on this SoC\n"); - return -ENODEV; - } - - board_data->version = ver; - board_data->dsi_enable_pads = omap_dsi_enable_pads; - board_data->dsi_disable_pads = omap_dsi_disable_pads; - board_data->set_min_bus_tput = omap_dss_set_min_bus_tput; - - omap_display_device.dev.platform_data = board_data; - - r = platform_device_register(&omap_display_device); - if (r < 0) { - pr_err("Unable to register omapdss device\n"); - return r; - } - - /* create devices for dss hwmods */ - - if (cpu_is_omap24xx()) { - curr_dss_hwmod = omap2_dss_hwmod_data; - oh_count = ARRAY_SIZE(omap2_dss_hwmod_data); - } else if (cpu_is_omap34xx()) { - curr_dss_hwmod = omap3_dss_hwmod_data; - oh_count = ARRAY_SIZE(omap3_dss_hwmod_data); - } else { - curr_dss_hwmod = omap4_dss_hwmod_data; - oh_count = ARRAY_SIZE(omap4_dss_hwmod_data); - } - - /* - * First create the pdev for dss_core, which is used as a parent device - * by the other dss pdevs. Note: dss_core has to be the first item in - * the hwmod list. - */ - dss_pdev = create_dss_pdev(curr_dss_hwmod[0].dev_name, - curr_dss_hwmod[0].id, - curr_dss_hwmod[0].oh_name, - board_data, sizeof(*board_data), - NULL); - - if (IS_ERR(dss_pdev)) { - pr_err("Could not build omap_device for %s\n", - curr_dss_hwmod[0].oh_name); - - return PTR_ERR(dss_pdev); - } - - for (i = 1; i < oh_count; i++) { - pdev = create_dss_pdev(curr_dss_hwmod[i].dev_name, - curr_dss_hwmod[i].id, - curr_dss_hwmod[i].oh_name, - board_data, sizeof(*board_data), - dss_pdev); - - if (IS_ERR(pdev)) { - pr_err("Could not build omap_device for %s\n", - curr_dss_hwmod[i].oh_name); - - return PTR_ERR(pdev); - } - } - - /* Create devices for DPI and SDI */ - - pdev = create_simple_dss_pdev("omapdss_dpi", 0, - board_data, sizeof(*board_data), dss_pdev); - if (IS_ERR(pdev)) { - pr_err("Could not build platform_device for omapdss_dpi\n"); - return PTR_ERR(pdev); - } - - if (cpu_is_omap34xx()) { - pdev = create_simple_dss_pdev("omapdss_sdi", 0, - board_data, sizeof(*board_data), dss_pdev); - if (IS_ERR(pdev)) { - pr_err("Could not build platform_device for omapdss_sdi\n"); - return PTR_ERR(pdev); - } - } - - /* create DRM device */ - r = omap_init_drm(); - if (r < 0) { - pr_err("Unable to register omapdrm device\n"); - return r; - } - - /* create vrfb device */ - r = omap_init_vrfb(); - if (r < 0) { - pr_err("Unable to register omapvrfb device\n"); - return r; - } - - /* create FB device */ - r = omap_init_fb(); - if (r < 0) { - pr_err("Unable to register omapfb device\n"); - return r; - } - - /* create V4L2 display device */ - r = omap_init_vout(); - if (r < 0) { - pr_err("Unable to register omap_vout device\n"); - return r; - } - - return 0; -} - static void dispc_disable_outputs(void) { u32 v, irq_mask = 0; @@ -573,7 +317,7 @@ static const char * const omapdss_compat_names[] __initconst = { "ti,dra7-dss", }; -struct device_node * __init omapdss_find_dss_of_node(void) +static struct device_node * __init omapdss_find_dss_of_node(void) { struct device_node *node; int i; diff --git a/arch/arm/mach-omap2/display.h b/arch/arm/mach-omap2/display.h index 78f253005279..9a39646d4316 100644 --- a/arch/arm/mach-omap2/display.h +++ b/arch/arm/mach-omap2/display.h @@ -31,11 +31,4 @@ int omap_init_vrfb(void); int omap_init_fb(void); int omap_init_vout(void); -struct device_node * __init omapdss_find_dss_of_node(void); - -struct omap_dss_board_info; - -/* Init with the board info */ -int omap_display_init(struct omap_dss_board_info *board_data); - #endif diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index e8b988714a09..0da4f2ea76c4 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -3249,6 +3249,36 @@ int __init omap_hwmod_setup_one(const char *oh_name) } /** + * omap_hwmod_setup_earlycon_flags - set up flags for early console + * + * Enable DEBUG_OMAPUART_FLAGS for uart hwmod that is being used as + * early concole so that hwmod core doesn't reset and keep it in idle + * that specific uart. + */ +#ifdef CONFIG_SERIAL_EARLYCON +static void __init omap_hwmod_setup_earlycon_flags(void) +{ + struct device_node *np; + struct omap_hwmod *oh; + const char *uart; + + np = of_find_node_by_path("/chosen"); + if (np) { + uart = of_get_property(np, "stdout-path", NULL); + if (uart) { + np = of_find_node_by_path(uart); + if (np) { + uart = of_get_property(np, "ti,hwmods", NULL); + oh = omap_hwmod_lookup(uart); + if (oh) + oh->flags |= DEBUG_OMAPUART_FLAGS; + } + } + } +} +#endif + +/** * omap_hwmod_setup_all - set up all registered IP blocks * * Initialize and set up all IP blocks registered with the hwmod code. @@ -3261,6 +3291,9 @@ static int __init omap_hwmod_setup_all(void) _ensure_mpu_hwmod_is_setup(NULL); omap_hwmod_for_each(_init, NULL); +#ifdef CONFIG_SERIAL_EARLYCON + omap_hwmod_setup_earlycon_flags(); +#endif omap_hwmod_for_each(_setup, NULL); return 0; |