static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller, int controller_nr) { if (controller_nr == 0) { if (cpu_is_omap7xx()) { omap_cfg_reg(MMC_7XX_CMD); omap_cfg_reg(MMC_7XX_CLK); omap_cfg_reg(MMC_7XX_DAT0); } else { omap_cfg_reg(MMC_CMD); omap_cfg_reg(MMC_CLK); omap_cfg_reg(MMC_DAT0); } if (cpu_is_omap1710()) { omap_cfg_reg(M15_1710_MMC_CLKI); omap_cfg_reg(P19_1710_MMC_CMDDIR); omap_cfg_reg(P20_1710_MMC_DATDIR0); } if (mmc_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) { omap_cfg_reg(MMC_DAT1); /* */ if (!mmc_controller->slots[0].nomux) omap_cfg_reg(MMC_DAT2); omap_cfg_reg(MMC_DAT3); } } /* */ if (cpu_is_omap16xx() && controller_nr == 1) { if (!mmc_controller->slots[1].nomux) { omap_cfg_reg(Y8_1610_MMC2_CMD); omap_cfg_reg(Y10_1610_MMC2_CLK); omap_cfg_reg(R18_1610_MMC2_CLKIN); omap_cfg_reg(W8_1610_MMC2_DAT0); if (mmc_controller->slots[1].wires == 4) { omap_cfg_reg(V8_1610_MMC2_DAT1); omap_cfg_reg(W15_1610_MMC2_DAT2); omap_cfg_reg(R10_1610_MMC2_DAT3); } /* */ omap_cfg_reg(V9_1610_MMC2_CMDDIR); omap_cfg_reg(V5_1610_MMC2_DATDIR0); omap_cfg_reg(W19_1610_MMC2_DATDIR1); } /* */ if (cpu_is_omap1710()) omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), MOD_CONF_CTRL_1); } }
static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller, int controller_nr) { if (controller_nr == 0) { if (cpu_is_omap7xx()) { omap_cfg_reg(MMC_7XX_CMD); omap_cfg_reg(MMC_7XX_CLK); omap_cfg_reg(MMC_7XX_DAT0); } else { omap_cfg_reg(MMC_CMD); omap_cfg_reg(MMC_CLK); omap_cfg_reg(MMC_DAT0); } if (cpu_is_omap1710()) { omap_cfg_reg(M15_1710_MMC_CLKI); omap_cfg_reg(P19_1710_MMC_CMDDIR); omap_cfg_reg(P20_1710_MMC_DATDIR0); } if (mmc_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) { omap_cfg_reg(MMC_DAT1); /* NOTE: DAT2 can be on W10 (here) or M15 */ if (!mmc_controller->slots[0].nomux) omap_cfg_reg(MMC_DAT2); omap_cfg_reg(MMC_DAT3); } } /* Block 2 is on newer chips, and has many pinout options */ if (cpu_is_omap16xx() && controller_nr == 1) { if (!mmc_controller->slots[1].nomux) { omap_cfg_reg(Y8_1610_MMC2_CMD); omap_cfg_reg(Y10_1610_MMC2_CLK); omap_cfg_reg(R18_1610_MMC2_CLKIN); omap_cfg_reg(W8_1610_MMC2_DAT0); if (mmc_controller->slots[1].wires == 4) { omap_cfg_reg(V8_1610_MMC2_DAT1); omap_cfg_reg(W15_1610_MMC2_DAT2); omap_cfg_reg(R10_1610_MMC2_DAT3); } /* These are needed for the level shifter */ omap_cfg_reg(V9_1610_MMC2_CMDDIR); omap_cfg_reg(V5_1610_MMC2_DATDIR0); omap_cfg_reg(W19_1610_MMC2_DATDIR1); } /* Feedback clock must be set on OMAP-1710 MMC2 */ if (cpu_is_omap1710()) omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), MOD_CONF_CTRL_1); } }
/* * The amount of SRAM depends on the core type. * Note that we cannot try to test for SRAM here because writes * to secure SRAM will hang the system. Also the SRAM is not * yet mapped at this point. */ static void __init omap_detect_sram(void) { omap_sram_skip = SRAM_BOOTLOADER_SZ; if (cpu_class_is_omap2()) { if (is_sram_locked()) { if (cpu_is_omap34xx()) { omap_sram_start = OMAP3_SRAM_PUB_PA; if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) || (omap_type() == OMAP2_DEVICE_TYPE_SEC)) { omap_sram_size = 0x7000; /* 28K */ omap_sram_skip += SZ_16K; } else { omap_sram_size = 0x8000; /* 32K */ } } else if (cpu_is_omap44xx()) { omap_sram_start = OMAP4_SRAM_PUB_PA; omap_sram_size = 0xa000; /* 40K */ } else { omap_sram_start = OMAP2_SRAM_PUB_PA; omap_sram_size = 0x800; /* 2K */ } } else { if (cpu_is_am33xx()) { omap_sram_start = AM33XX_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ } else if (cpu_is_omap34xx()) { omap_sram_start = OMAP3_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ } else if (cpu_is_omap44xx()) { omap_sram_start = OMAP4_SRAM_PA; omap_sram_size = 0xe000; /* 56K */ } else { omap_sram_start = OMAP2_SRAM_PA; if (cpu_is_omap242x()) omap_sram_size = 0xa0000; /* 640K */ else if (cpu_is_omap243x()) omap_sram_size = 0x10000; /* 64K */ } } } else { omap_sram_start = OMAP1_SRAM_PA; if (cpu_is_omap7xx()) omap_sram_size = 0x32000; /* 200K */ else if (cpu_is_omap15xx()) omap_sram_size = 0x30000; /* 192K */ else if (cpu_is_omap1610() || cpu_is_omap1611() || cpu_is_omap1621() || cpu_is_omap1710()) omap_sram_size = 0x4000; /* 16K */ else { pr_err("Could not detect SRAM size\n"); omap_sram_size = 0x4000; } } }
static u32 __init omap_usb1_init(unsigned nwires) { u32 syscon1 = 0; if (nwires != 6 && !cpu_is_omap15xx()) USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R; if (nwires == 0) return 0; /* external transceiver */ omap_cfg_reg(USB1_TXD); omap_cfg_reg(USB1_TXEN); if (cpu_is_omap15xx()) { omap_cfg_reg(USB1_SEO); omap_cfg_reg(USB1_SPEED); // SUSP } else if (cpu_is_omap1610() || cpu_is_omap5912()) { omap_cfg_reg(W13_1610_USB1_SE0); omap_cfg_reg(R13_1610_USB1_SPEED); // SUSP } else if (cpu_is_omap1710()) { omap_cfg_reg(R13_1710_USB1_SE0); // SUSP } else { pr_debug("usb unrecognized\n"); } if (nwires != 3) omap_cfg_reg(USB1_RCV); switch (nwires) { case 3: syscon1 = 2; break; case 4: syscon1 = 1; break; case 6: syscon1 = 3; omap_cfg_reg(USB1_VP); omap_cfg_reg(USB1_VM); if (!cpu_is_omap15xx()) USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R; break; default: printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 1, nwires); } return syscon1 << 20; }
/* * The amount of SRAM depends on the core type: * 730 = 200K, 1510 = 512K, 5912 = 256K, 1610 = 16K, 1710 = 16K * Note that we cannot try to test for SRAM here because writes * to secure SRAM will hang the system. Also the SRAM is not * yet mapped at this point. */ void __init omap_detect_sram(void) { omap_sram_base = OMAP1_SRAM_BASE; if (cpu_is_omap730()) omap_sram_size = 0x32000; else if (cpu_is_omap1510()) omap_sram_size = 0x80000; else if (cpu_is_omap1610() || cpu_is_omap1621() || cpu_is_omap1710()) omap_sram_size = 0x4000; else if (cpu_is_omap1611()) omap_sram_size = 0x3e800; else { printk(KERN_ERR "Could not detect SRAM size\n"); omap_sram_size = 0x4000; } printk(KERN_INFO "SRAM size: 0x%lx\n", omap_sram_size); omap_sram_ceil = omap_sram_base + omap_sram_size; }
static void __init _omap_map_io(void) { initialized = 1; /* We have to initialize the IO space mapping before we can run * cpu_is_omapxxx() macros. */ iotable_init(omap_io_desc, ARRAY_SIZE(omap_io_desc)); omap_check_revision(); #ifdef CONFIG_ARCH_OMAP730 if (cpu_is_omap730()) { iotable_init(omap730_io_desc, ARRAY_SIZE(omap730_io_desc)); } #endif #ifdef CONFIG_ARCH_OMAP1510 if (cpu_is_omap1510()) { iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc)); } #endif #if defined(CONFIG_ARCH_OMAP16XX) if (cpu_is_omap1610() || cpu_is_omap1710()) { iotable_init(omap1610_io_desc, ARRAY_SIZE(omap1610_io_desc)); } if (cpu_is_omap5912()) { iotable_init(omap5912_io_desc, ARRAY_SIZE(omap5912_io_desc)); } #endif /* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort * on a Posted Write in the TIPB Bridge". */ omap_writew(0x0, MPU_PUBLIC_TIPB_CNTL); omap_writew(0x0, MPU_PRIVATE_TIPB_CNTL); /* Must init clocks early to assure that timer interrupt works */ clk_init(); }
/* * The amount of SRAM depends on the core type. * Note that we cannot try to test for SRAM here because writes * to secure SRAM will hang the system. Also the SRAM is not * yet mapped at this point. */ static void __init omap_detect_sram(void) { if (cpu_class_is_omap2()) { if (is_sram_locked()) { if (cpu_is_omap34xx()) { omap_sram_start = OMAP3_SRAM_PUB_PA; if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) || (omap_type() == OMAP2_DEVICE_TYPE_SEC)) { omap_sram_size = 0x7000; /* 28K */ } else { omap_sram_size = 0x8000; /* 32K */ } } else if (cpu_is_omap44xx()) { omap_sram_start = OMAP4_SRAM_START_PA; omap_sram_size = OMAP4_SRAM_SIZE; /* 56KB */ omap_sram_size -= OMAP4_SRAM_HS_RESERVE; omap_sram_start += OMAP4_SRAM_HS_RESERVE; } else if (cpu_is_omap54xx()) { omap_sram_start = OMAP4_SRAM_START_PA; omap_sram_size = OMAP5_SRAM_SIZE; /* 128KB */ omap_sram_size -= OMAP5_SRAM_HS_RESERVE; omap_sram_start += OMAP5_SRAM_HS_RESERVE; } else { omap_sram_start = OMAP2_SRAM_PUB_PA; omap_sram_size = 0x800; /* 2K */ } } else { if (cpu_is_am33xx()) { omap_sram_start = AM33XX_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ } else if (cpu_is_omap34xx()) { omap_sram_start = OMAP3_SRAM_PA; omap_sram_size = 0x10000; /* 64K */ } else if (cpu_is_omap44xx()) { omap_sram_start = OMAP4_SRAM_START_PA; omap_sram_size = OMAP4_SRAM_SIZE; /* 56K */ omap_sram_size -= OMAP4_SRAM_GP_RESERVE; omap_sram_start += OMAP4_SRAM_GP_RESERVE; } else if (cpu_is_omap54xx()) { omap_sram_start = OMAP4_SRAM_START_PA; omap_sram_size = OMAP5_SRAM_SIZE; /* 128KB */ omap_sram_size -= OMAP5_SRAM_GP_RESERVE; omap_sram_start += OMAP5_SRAM_GP_RESERVE; } else { omap_sram_start = OMAP2_SRAM_PA; if (cpu_is_omap242x()) omap_sram_size = 0xa0000; /* 640K */ else if (cpu_is_omap243x()) omap_sram_size = 0x10000; /* 64K */ } } } else { omap_sram_start = OMAP1_SRAM_PA; if (cpu_is_omap7xx()) omap_sram_size = 0x32000; /* 200K */ else if (cpu_is_omap15xx()) omap_sram_size = 0x30000; /* 192K */ else if (cpu_is_omap1610() || cpu_is_omap1611() || cpu_is_omap1621() || cpu_is_omap1710()) omap_sram_size = 0x4000; /* 16K */ else { pr_err("Could not detect SRAM size\n"); omap_sram_size = 0x4000; } } }
static u32 __init omap_usb1_init(unsigned nwires) { u32 syscon1 = 0; if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) { u32 l; l = omap_readl(USB_TRANSCEIVER_CTRL); l &= ~CONF_USB1_UNI_R; omap_writel(l, USB_TRANSCEIVER_CTRL); } if (cpu_is_omap24xx()) omap2_usb_devconf_clear(1, USB_BIDIR_TLL); if (nwires == 0) return 0; /* external transceiver */ if (cpu_class_is_omap1()) { omap_cfg_reg(USB1_TXD); omap_cfg_reg(USB1_TXEN); if (nwires != 3) omap_cfg_reg(USB1_RCV); } if (cpu_is_omap15xx()) { omap_cfg_reg(USB1_SEO); omap_cfg_reg(USB1_SPEED); // SUSP } else if (cpu_is_omap1610() || cpu_is_omap5912()) { omap_cfg_reg(W13_1610_USB1_SE0); omap_cfg_reg(R13_1610_USB1_SPEED); // SUSP } else if (cpu_is_omap1710()) { omap_cfg_reg(R13_1710_USB1_SE0); // SUSP } else if (cpu_is_omap24xx()) { /* NOTE: board-specific code must set up pin muxing for usb1, * since each signal could come out on either of two balls. */ } else { pr_debug("usb%d cpu unrecognized\n", 1); return 0; } switch (nwires) { case 2: if (!cpu_is_omap24xx()) goto bad; /* NOTE: board-specific code must override this setting if * this TLL link is not using DP/DM */ syscon1 = 1; omap2_usb_devconf_set(1, USB_BIDIR_TLL); break; case 3: syscon1 = 2; if (cpu_is_omap24xx()) omap2_usb_devconf_set(1, USB_BIDIR); break; case 4: syscon1 = 1; if (cpu_is_omap24xx()) omap2_usb_devconf_set(1, USB_BIDIR); break; case 6: if (cpu_is_omap24xx()) goto bad; syscon1 = 3; omap_cfg_reg(USB1_VP); omap_cfg_reg(USB1_VM); if (!cpu_is_omap15xx()) { u32 l; l = omap_readl(USB_TRANSCEIVER_CTRL); l |= CONF_USB1_UNI_R; omap_writel(l, USB_TRANSCEIVER_CTRL); } break; default: bad: printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 1, nwires); } return syscon1 << 20; }
static u32 __init omap_usb1_init(unsigned nwires) { u32 syscon1 = 0; if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) { u32 l; l = omap_readl(USB_TRANSCEIVER_CTRL); l &= ~CONF_USB1_UNI_R; omap_writel(l, USB_TRANSCEIVER_CTRL); } if (cpu_is_omap24xx()) omap2_usb_devconf_clear(1, USB_BIDIR_TLL); if (nwires == 0) return 0; if (cpu_class_is_omap1()) { omap_cfg_reg(USB1_TXD); omap_cfg_reg(USB1_TXEN); if (nwires != 3) omap_cfg_reg(USB1_RCV); } if (cpu_is_omap15xx()) { omap_cfg_reg(USB1_SEO); omap_cfg_reg(USB1_SPEED); } else if (cpu_is_omap1610() || cpu_is_omap5912()) { omap_cfg_reg(W13_1610_USB1_SE0); omap_cfg_reg(R13_1610_USB1_SPEED); } else if (cpu_is_omap1710()) { omap_cfg_reg(R13_1710_USB1_SE0); } else if (cpu_is_omap24xx()) { } else { pr_debug("usb%d cpu unrecognized\n", 1); return 0; } switch (nwires) { case 2: if (!cpu_is_omap24xx()) goto bad; syscon1 = 1; omap2_usb_devconf_set(1, USB_BIDIR_TLL); break; case 3: syscon1 = 2; if (cpu_is_omap24xx()) omap2_usb_devconf_set(1, USB_BIDIR); break; case 4: syscon1 = 1; if (cpu_is_omap24xx()) omap2_usb_devconf_set(1, USB_BIDIR); break; case 6: if (cpu_is_omap24xx()) goto bad; syscon1 = 3; omap_cfg_reg(USB1_VP); omap_cfg_reg(USB1_VM); if (!cpu_is_omap15xx()) { u32 l; l = omap_readl(USB_TRANSCEIVER_CTRL); l |= CONF_USB1_UNI_R; omap_writel(l, USB_TRANSCEIVER_CTRL); } break; default: bad: printk(KERN_ERR "illegal usb%d %d-wire transceiver\n", 1, nwires); } return syscon1 << 20; }
int __init omap1_clk_init(void) { struct omap_clk *c; int crystal_type = 0; /* Default 12 MHz */ u32 reg; #ifdef CONFIG_DEBUG_LL /* * Resets some clocks that may be left on from bootloader, * but leaves serial clocks on. */ omap_writel(0x3 << 29, MOD_CONF_CTRL_0); #endif /* USB_REQ_EN will be disabled later if necessary (usb_dc_ck) */ reg = omap_readw(SOFT_REQ_REG) & (1 << 4); omap_writew(reg, SOFT_REQ_REG); if (!cpu_is_omap15xx()) omap_writew(0, SOFT_REQ_REG2); /* By default all idlect1 clocks are allowed to idle */ arm_idlect1_mask = ~0; for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++) clk_preinit(c->lk.clk); cpu_mask = 0; if (cpu_is_omap1710()) cpu_mask |= CK_1710; if (cpu_is_omap16xx()) cpu_mask |= CK_16XX; if (cpu_is_omap1510()) cpu_mask |= CK_1510; if (cpu_is_omap7xx()) cpu_mask |= CK_7XX; if (cpu_is_omap310()) cpu_mask |= CK_310; for (c = omap_clks; c < omap_clks + ARRAY_SIZE(omap_clks); c++) if (c->cpu & cpu_mask) { clkdev_add(&c->lk); clk_register(c->lk.clk); } /* Pointers to these clocks are needed by code in clock.c */ api_ck_p = clk_get(NULL, "api_ck"); ck_dpll1_p = clk_get(NULL, "ck_dpll1"); ck_ref_p = clk_get(NULL, "ck_ref"); if (cpu_is_omap7xx()) ck_ref.rate = 13000000; if (cpu_is_omap16xx() && crystal_type == 2) ck_ref.rate = 19200000; pr_info("Clocks: ARM_SYSST: 0x%04x DPLL_CTL: 0x%04x ARM_CKCTL: 0x%04x\n", omap_readw(ARM_SYSST), omap_readw(DPLL_CTL), omap_readw(ARM_CKCTL)); /* We want to be in syncronous scalable mode */ omap_writew(0x1000, ARM_SYSST); /* * Initially use the values set by bootloader. Determine PLL rate and * recalculate dependent clocks as if kernel had changed PLL or * divisors. See also omap1_clk_late_init() that can reprogram dpll1 * after the SRAM is initialized. */ { unsigned pll_ctl_val = omap_readw(DPLL_CTL); ck_dpll1.rate = ck_ref.rate; /* Base xtal rate */ if (pll_ctl_val & 0x10) { /* PLL enabled, apply multiplier and divisor */ if (pll_ctl_val & 0xf80) ck_dpll1.rate *= (pll_ctl_val & 0xf80) >> 7; ck_dpll1.rate /= ((pll_ctl_val & 0x60) >> 5) + 1; } else { /* PLL disabled, apply bypass divisor */ switch (pll_ctl_val & 0xc) { case 0: break; case 0x4: ck_dpll1.rate /= 2; break; default: ck_dpll1.rate /= 4; break; } } }
static void __init omap_init_mmc(void) { const struct omap_mmc_config *mmc_conf; const struct omap_mmc_conf *mmc; /* NOTE: assumes MMC was never (wrongly) enabled */ mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config); if (!mmc_conf) return; /* block 1 is always available and has just one pinout option */ mmc = &mmc_conf->mmc[0]; if (cpu_is_omap2430() || cpu_is_omap34xx()) { if (mmc->enabled) (void) platform_device_register(&mmc_omap_device1); #if defined(CONFIG_ARCH_OMAP243X) || defined(CONFIG_ARCH_OMAP34XX) mmc = &mmc_conf->mmc[1]; if (mmc->enabled) (void) platform_device_register(&mmc_omap_device2); #endif return; } if (mmc->enabled) { if (cpu_is_omap24xx()) { omap_cfg_reg(H18_24XX_MMC_CMD); omap_cfg_reg(H15_24XX_MMC_CLKI); omap_cfg_reg(G19_24XX_MMC_CLKO); omap_cfg_reg(F20_24XX_MMC_DAT0); omap_cfg_reg(F19_24XX_MMC_DAT_DIR0); omap_cfg_reg(G18_24XX_MMC_CMD_DIR); } else { omap_cfg_reg(MMC_CMD); omap_cfg_reg(MMC_CLK); omap_cfg_reg(MMC_DAT0); if (cpu_is_omap1710()) { omap_cfg_reg(M15_1710_MMC_CLKI); omap_cfg_reg(P19_1710_MMC_CMDDIR); omap_cfg_reg(P20_1710_MMC_DATDIR0); } } if (mmc->wire4) { if (cpu_is_omap24xx()) { omap_cfg_reg(H14_24XX_MMC_DAT1); omap_cfg_reg(E19_24XX_MMC_DAT2); omap_cfg_reg(D19_24XX_MMC_DAT3); omap_cfg_reg(E20_24XX_MMC_DAT_DIR1); omap_cfg_reg(F18_24XX_MMC_DAT_DIR2); omap_cfg_reg(E18_24XX_MMC_DAT_DIR3); } else { omap_cfg_reg(MMC_DAT1); /* NOTE: DAT2 can be on W10 (here) or M15 */ if (!mmc->nomux) omap_cfg_reg(MMC_DAT2); omap_cfg_reg(MMC_DAT3); } } #if defined(CONFIG_ARCH_OMAP2420) if (mmc->internal_clock) { /* * Use internal loop-back in MMC/SDIO * Module Input Clock selection */ #ifdef CONFIG_ARCH_OMAP24XX if (cpu_is_omap24xx()) { u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); v |= (1 << 24); /* not used in 243x */ omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); } #endif } #endif mmc1_data.conf = *mmc; (void) platform_device_register(&mmc_omap_device1); } #ifdef CONFIG_ARCH_OMAP16XX /* block 2 is on newer chips, and has many pinout options */ mmc = &mmc_conf->mmc[1]; if (mmc->enabled) { if (!mmc->nomux) { omap_cfg_reg(Y8_1610_MMC2_CMD); omap_cfg_reg(Y10_1610_MMC2_CLK); omap_cfg_reg(R18_1610_MMC2_CLKIN); omap_cfg_reg(W8_1610_MMC2_DAT0); if (mmc->wire4) { omap_cfg_reg(V8_1610_MMC2_DAT1); omap_cfg_reg(W15_1610_MMC2_DAT2); omap_cfg_reg(R10_1610_MMC2_DAT3); } /* These are needed for the level shifter */ omap_cfg_reg(V9_1610_MMC2_CMDDIR); omap_cfg_reg(V5_1610_MMC2_DATDIR0); omap_cfg_reg(W19_1610_MMC2_DATDIR1); } /* Feedback clock must be set on OMAP-1710 MMC2 */ if (cpu_is_omap1710()) omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), MOD_CONF_CTRL_1); mmc2_data.conf = *mmc; (void) platform_device_register(&mmc_omap_device2); } #endif return; }
static void __init omap_init_mmc(void) { const struct omap_mmc_config *mmc_conf; const struct omap_mmc_conf *mmc; /* NOTE: assumes MMC was never (wrongly) enabled */ mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config); if (!mmc_conf) return; /* block 1 is always available and has just one pinout option */ mmc = &mmc_conf->mmc[0]; if (mmc->enabled) { omap_cfg_reg(MMC_CMD); omap_cfg_reg(MMC_CLK); omap_cfg_reg(MMC_DAT0); if (cpu_is_omap1710()) { omap_cfg_reg(M15_1710_MMC_CLKI); omap_cfg_reg(P19_1710_MMC_CMDDIR); omap_cfg_reg(P20_1710_MMC_DATDIR0); } if (mmc->wire4) { omap_cfg_reg(MMC_DAT1); /* NOTE: DAT2 can be on W10 (here) or M15 */ if (!mmc->nomux) omap_cfg_reg(MMC_DAT2); omap_cfg_reg(MMC_DAT3); } mmc1_conf = *mmc; (void) platform_device_register(&mmc_omap_device1); } #ifdef CONFIG_ARCH_OMAP16XX /* block 2 is on newer chips, and has many pinout options */ mmc = &mmc_conf->mmc[1]; if (mmc->enabled) { if (!mmc->nomux) { omap_cfg_reg(Y8_1610_MMC2_CMD); omap_cfg_reg(Y10_1610_MMC2_CLK); omap_cfg_reg(R18_1610_MMC2_CLKIN); omap_cfg_reg(W8_1610_MMC2_DAT0); if (mmc->wire4) { omap_cfg_reg(V8_1610_MMC2_DAT1); omap_cfg_reg(W15_1610_MMC2_DAT2); omap_cfg_reg(R10_1610_MMC2_DAT3); } /* These are needed for the level shifter */ omap_cfg_reg(V9_1610_MMC2_CMDDIR); omap_cfg_reg(V5_1610_MMC2_DATDIR0); omap_cfg_reg(W19_1610_MMC2_DATDIR1); } /* Feedback clock must be set on OMAP-1710 MMC2 */ if (cpu_is_omap1710()) omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), MOD_CONF_CTRL_1); mmc2_conf = *mmc; (void) platform_device_register(&mmc_omap_device2); } #endif return; }