/* * (C) Copyright 2009-2010 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; int board_early_init_f(void) { unsigned long mfr; /* * Interrupt controller setup for the ICON 440SPe board. * *-------------------------------------------------------------------- * IRQ | Source | Pol. | Sensi.| Crit. *--------+-----------------------------------+-------+-------+------- * IRQ 00 | UART0 | High | Level | Non * IRQ 01 | UART1 | High | Level | Non * IRQ 02 | IIC0 | High | Level | Non * IRQ 03 | IIC1 | High | Level | Non * IRQ 04 | PCI0X0 MSG IN | High | Level | Non * IRQ 05 | PCI0X0 CMD Write | High | Level | Non * IRQ 06 | PCI0X0 Power Mgt | High | Level | Non * IRQ 07 | PCI0X0 VPD Access | Rising| Edge | Non * IRQ 08 | PCI0X0 MSI level 0 | High | Lvl/ed| Non * IRQ 09 | External IRQ 15 - (PCI-Express) | pgm H | Pgm | Non * IRQ 10 | UIC2 Non-critical Int. | NA | NA | Non * IRQ 11 | UIC2 Critical Interrupt | NA | NA | Crit * IRQ 12 | PCI Express MSI Level 0 | Rising| Edge | Non * IRQ 13 | PCI Express MSI Level 1 | Rising| Edge | Non * IRQ 14 | PCI Express MSI Level 2 | Rising| Edge | Non * IRQ 15 | PCI Express MSI Level 3 | Rising| Edge | Non * IRQ 16 | UIC3 Non-critical Int. | NA | NA | Non * IRQ 17 | UIC3 Critical Interrupt | NA | NA | Crit * IRQ 18 | External IRQ 14 - (PCI-Express) | Pgm | Pgm | Non * IRQ 19 | DMA Channel 0 FIFO Full | High | Level | Non * IRQ 20 | DMA Channel 0 Stat FIFO | High | Level | Non * IRQ 21 | DMA Channel 1 FIFO Full | High | Level | Non * IRQ 22 | DMA Channel 1 Stat FIFO | High | Level | Non * IRQ 23 | I2O Inbound Doorbell | High | Level | Non * IRQ 24 | Inbound Post List FIFO Not Empt | High | Level | Non * IRQ 25 | I2O Region 0 LL PLB Write | High | Level | Non * IRQ 26 | I2O Region 1 LL PLB Write | High | Level | Non * IRQ 27 | I2O Region 0 HB PLB Write | High | Level | Non * IRQ 28 | I2O Region 1 HB PLB Write | High | Level | Non * IRQ 29 | GPT Down Count Timer | Rising| Edge | Non * IRQ 30 | UIC1 Non-critical Int. | NA | NA | Non * IRQ 31 | UIC1 Critical Interrupt | NA | NA | Crit. *-------------------------------------------------------------------- * IRQ 32 | Ext. IRQ 13 - (PCI-Express) |pgm (H)|pgm/Lvl| Non * IRQ 33 | MAL Serr | High | Level | Non * IRQ 34 | MAL Txde | High | Level | Non * IRQ 35 | MAL Rxde | High | Level | Non * IRQ 36 | DMC CE or DMC UE | High | Level | Non * IRQ 37 | EBC or UART2 | High |Lvl Edg| Non * IRQ 38 | MAL TX EOB | High | Level | Non * IRQ 39 | MAL RX EOB | High | Level | Non * IRQ 40 | PCIX0 MSI Level 1 | High |Lvl Edg| Non * IRQ 41 | PCIX0 MSI level 2 | High |Lvl Edg| Non * IRQ 42 | PCIX0 MSI level 3 | High |Lvl Edg| Non * IRQ 43 | L2 Cache | Risin | Edge | Non * IRQ 44 | GPT Compare Timer 0 | Risin | Edge | Non * IRQ 45 | GPT Compare Timer 1 | Risin | Edge | Non * IRQ 46 | GPT Compare Timer 2 | Risin | Edge | Non * IRQ 47 | GPT Compare Timer 3 | Risin | Edge | Non * IRQ 48 | GPT Compare Timer 4 | Risin | Edge | Non * IRQ 49 | Ext. IRQ 12 - PCI-X |pgm/Fal|pgm/Lvl| Non * IRQ 50 | Ext. IRQ 11 - |pgm (H)|pgm/Lvl| Non * IRQ 51 | Ext. IRQ 10 - |pgm (H)|pgm/Lvl| Non * IRQ 52 | Ext. IRQ 9 |pgm (H)|pgm/Lvl| Non * IRQ 53 | Ext. IRQ 8 |pgm (H)|pgm/Lvl| Non * IRQ 54 | DMA Error | High | Level | Non * IRQ 55 | DMA I2O Error | High | Level | Non * IRQ 56 | Serial ROM | High | Level | Non * IRQ 57 | PCIX0 Error | High | Edge | Non * IRQ 58 | Ext. IRQ 7- |pgm (H)|pgm/Lvl| Non * IRQ 59 | Ext. IRQ 6- |pgm (H)|pgm/Lvl| Non * IRQ 60 | EMAC0 Interrupt | High | Level | Non * IRQ 61 | EMAC0 Wake-up | High | Level | Non * IRQ 62 | Reserved | High | Level | Non * IRQ 63 | XOR | High | Level | Non *-------------------------------------------------------------------- * IRQ 64 | PE0 AL | High | Level | Non * IRQ 65 | PE0 VPD Access | Risin | Edge | Non * IRQ 66 | PE0 Hot Reset Request | Risin | Edge | Non * IRQ 67 | PE0 Hot Reset Request | Falli | Edge | Non * IRQ 68 | PE0 TCR | High | Level | Non * IRQ 69 | PE0 BusMaster VCO | Falli | Edge | Non * IRQ 70 | PE0 DCR Error | High | Level | Non * IRQ 71 | Reserved | N/A | N/A | Non * IRQ 72 | PE1 AL | High | Level | Non * IRQ 73 | PE1 VPD Access | Risin | Edge | Non * IRQ 74 | PE1 Hot Reset Request | Risin | Edge | Non * IRQ 75 | PE1 Hot Reset Request | Falli | Edge | Non * IRQ 76 | PE1 TCR | High | Level | Non * IRQ 77 | PE1 BusMaster VCO | Falli | Edge | Non * IRQ 78 | PE1 DCR Error | High | Level | Non * IRQ 79 | Reserved | N/A | N/A | Non * IRQ 80 | PE2 AL | High | Level | Non * IRQ 81 | PE2 VPD Access | Risin | Edge | Non * IRQ 82 | PE2 Hot Reset Request | Risin | Edge | Non * IRQ 83 | PE2 Hot Reset Request | Falli | Edge | Non * IRQ 84 | PE2 TCR | High | Level | Non * IRQ 85 | PE2 BusMaster VCO | Falli | Edge | Non * IRQ 86 | PE2 DCR Error | High | Level | Non * IRQ 87 | Reserved | N/A | N/A | Non * IRQ 88 | External IRQ(5) | Progr | Progr | Non * IRQ 89 | External IRQ 4 - Ethernet | Progr | Progr | Non * IRQ 90 | External IRQ 3 - PCI-X | Progr | Progr | Non * IRQ 91 | External IRQ 2 - PCI-X | Progr | Progr | Non * IRQ 92 | External IRQ 1 - PCI-X | Progr | Progr | Non * IRQ 93 | External IRQ 0 - PCI-X | Progr | Progr | Non * IRQ 94 | Reserved | N/A | N/A | Non * IRQ 95 | Reserved | N/A | N/A | Non *-------------------------------------------------------------------- * IRQ 96 | PE0 INTA | High | Level | Non * IRQ 97 | PE0 INTB | High | Level | Non * IRQ 98 | PE0 INTC | High | Level | Non * IRQ 99 | PE0 INTD | High | Level | Non * IRQ 100| PE1 INTA | High | Level | Non * IRQ 101| PE1 INTB | High | Level | Non * IRQ 102| PE1 INTC | High | Level | Non * IRQ 103| PE1 INTD | High | Level | Non * IRQ 104| PE2 INTA | High | Level | Non * IRQ 105| PE2 INTB | High | Level | Non * IRQ 106| PE2 INTC | High | Level | Non * IRQ 107| PE2 INTD | Risin | Edge | Non * IRQ 108| PCI Express MSI Level 4 | Risin | Edge | Non * IRQ 109| PCI Express MSI Level 5 | Risin | Edge | Non * IRQ 110| PCI Express MSI Level 6 | Risin | Edge | Non * IRQ 111| PCI Express MSI Level 7 | Risin | Edge | Non * IRQ 116| PCI Express MSI Level 12 | Risin | Edge | Non * IRQ 112| PCI Express MSI Level 8 | Risin | Edge | Non * IRQ 113| PCI Express MSI Level 9 | Risin | Edge | Non * IRQ 114| PCI Express MSI Level 10 | Risin | Edge | Non * IRQ 115| PCI Express MSI Level 11 | Risin | Edge | Non * IRQ 117| PCI Express MSI Level 13 | Risin | Edge | Non * IRQ 118| PCI Express MSI Level 14 | Risin | Edge | Non * IRQ 119| PCI Express MSI Level 15 | Risin | Edge | Non * IRQ 120| PCI Express MSI Level 16 | Risin | Edge | Non * IRQ 121| PCI Express MSI Level 17 | Risin | Edge | Non * IRQ 122| PCI Express MSI Level 18 | Risin | Edge | Non * IRQ 123| PCI Express MSI Level 19 | Risin | Edge | Non * IRQ 124| PCI Express MSI Level 20 | Risin | Edge | Non * IRQ 125| PCI Express MSI Level 21 | Risin | Edge | Non * IRQ 126| PCI Express MSI Level 22 | Risin | Edge | Non * IRQ 127| PCI Express MSI Level 23 | Risin | Edge | Non */ /* * Put UICs in PowerPC 440SPe mode. * Initialise UIC registers. Clear all interrupts. Disable all * interrupts. Set critical interrupt values. Set interrupt polarities. * Set interrupt trigger levels. Make bit 0 High priority. Clear all * interrupts again. */ mtdcr(UIC3SR, 0xffffffff); /* Clear all interrupts */ mtdcr(UIC3ER, 0x00000000); /* disable all interrupts */ mtdcr(UIC3CR, 0x00000000); /* Set Critical / Non Critical IRQs */ mtdcr(UIC3PR, 0xffffffff); /* Set Interrupt Polarities*/ mtdcr(UIC3TR, 0x001fffff); /* Set Interrupt Trigger Levels */ mtdcr(UIC3VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ mtdcr(UIC3SR, 0x00000000); /* clear all interrupts*/ mtdcr(UIC3SR, 0xffffffff); /* clear all interrupts*/ mtdcr(UIC2SR, 0xffffffff); /* Clear all interrupts */ mtdcr(UIC2ER, 0x00000000); /* disable all interrupts*/ mtdcr(UIC2CR, 0x00000000); /* Set Critical / Non Critical IRQs */ mtdcr(UIC2PR, 0xebebebff); /* Set Interrupt Polarities*/ mtdcr(UIC2TR, 0x74747400); /* Set Interrupt Trigger Levels */ mtdcr(UIC2VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ mtdcr(UIC2SR, 0x00000000); /* clear all interrupts */ mtdcr(UIC2SR, 0xffffffff); /* clear all interrupts */ mtdcr(UIC1SR, 0xffffffff); /* Clear all interrupts*/ mtdcr(UIC1ER, 0x00000000); /* disable all interrupts*/ mtdcr(UIC1CR, 0x00000000); /* Set Critical / Non Critical IRQs */ mtdcr(UIC1PR, 0xffffffff); /* Set Interrupt Polarities */ mtdcr(UIC1TR, 0x001f8040); /* Set Interrupt Trigger Levels*/ mtdcr(UIC1VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ mtdcr(UIC1SR, 0x00000000); /* clear all interrupts*/ mtdcr(UIC1SR, 0xffffffff); /* clear all interrupts*/ mtdcr(UIC0SR, 0xffffffff); /* Clear all interrupts */ mtdcr(UIC0ER, 0x00000000); /* disable all int. excepted cascade */ mtdcr(UIC0CR, 0x00104001); /* Set Critical / Non Critical IRQs */ mtdcr(UIC0PR, 0xffffffff); /* Set Interrupt Polarities*/ mtdcr(UIC0TR, 0x010f0004); /* Set Interrupt Trigger Levels */ mtdcr(UIC0VR, 0x00000001); /* Set Vect base=0,INT31 Highest prio */ mtdcr(UIC0SR, 0x00000000); /* clear all interrupts*/ mtdcr(UIC0SR, 0xffffffff); /* clear all interrupts*/ mfsdr(SDR0_MFR, mfr); mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */ mtsdr(SDR0_MFR, mfr); mtsdr(SDR0_PFC0, CONFIG_SYS_PFC0); out_be32((void *)GPIO0_OR, CONFIG_SYS_GPIO_OR); out_be32((void *)GPIO0_ODR, CONFIG_SYS_GPIO_ODR); out_be32((void *)GPIO0_TCR, CONFIG_SYS_GPIO_TCR); return 0; } int board_early_init_r(void) { /* * ICON has 64MBytes of NOR FLASH (Spansion 29GL512), but the * boot EBC mapping only supports a maximum of 16MBytes * (4.ff00.0000 - 4.ffff.ffff). * To solve this problem, the FLASH has to get remapped to another * EBC address which accepts bigger regions: * * 0xfc00.0000 -> 4.ec00.0000 */ /* Remap the NOR FLASH to 0xec00.0000 ... 0xefff.ffff */ mtebc(PB0CR, CONFIG_SYS_FLASH_BASE_PHYS_L | 0xda000); /* Remove TLB entry of boot EBC mapping */ remove_tlb(CONFIG_SYS_BOOT_BASE_ADDR, 16 << 20); /* Add TLB entry for 0xfc00.0000 -> 0x4.ec00.0000 */ program_tlb(CONFIG_SYS_FLASH_BASE_PHYS, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE, TLB_WORD2_I_ENABLE); /* * Now accessing of the whole 64Mbytes of NOR FLASH at virtual address * 0xfc00.0000 is possible */ /* * Clear potential errors resulting from auto-calibration. * If not done, then we could get an interrupt later on when * exceptions are enabled. */ set_mcsr(get_mcsr()); return 0; } int checkboard(void) { char buf[64]; int i = getenv_f("serial#", buf, sizeof(buf)); printf("Board: ICON"); if (i > 0) { puts(", serial# "); puts(buf); } putc('\n'); return 0; } /* * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with * board specific values. * * Tested successfully with the following SODIMM: * Crucial CT6464AC667.4FE - 512MB SO-DIMM (single rank) * * Tests with Micron MT4HTF6464HZ-667H1 showed problems in "cold" state, * directly after power-up. Only after running for more than 10 minutes * real stable auto-calibration windows could be found. */ u32 ddr_wrdtr(u32 default_val) { return SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_90_DEG_ADV; } u32 ddr_clktr(u32 default_val) { return SDRAM_CLKTR_CLKP_180_DEG_ADV; } /* * Override the weak default implementation and return the * last PCIe slot number (max number - 1). */ int board_pcie_last(void) { /* Only 2 PCIe ports used on ICON, so the last one is 1 */ return 1; } /* * Video */ #ifdef CONFIG_VIDEO_SM501 #include #define DISPLAY_WIDTH 640 #define DISPLAY_HEIGHT 480 static const SMI_REGS sm502_init_regs[] = { {0x00004, 0x0}, {0x00040, 0x00021847}, {0x00044, 0x091a0a01}, /* 24 MHz pixclk */ {0x00054, 0x0}, {0x00048, 0x00021847}, {0x0004C, 0x091a0a01}, {0x00054, 0x1}, {0x80004, 0xc428bb17}, {0x8000C, 0x00000000}, {0x80010, 0x0a000a00}, {0x80014, 0x02800000}, {0x80018, 0x01e00000}, {0x8001C, 0x00000000}, {0x80020, 0x01e00280}, {0x80024, 0x02fa027f}, {0x80028, 0x004a0280}, {0x8002C, 0x020c01df}, {0x80030, 0x000201e7}, {0x80200, 0x00010000}, {0x00008, 0x20000000}, /* gpio29 is pwm0, LED_PWM */ {0x0000C, 0x3f000000}, /* gpio56 - gpio61 as flat panel data pins */ {0x10020, 0x25725728}, /* 20 kHz pwm0, 50 % duty cycle, disabled */ {0x80000, 0x0f010106}, /* vsync & hsync pos, disp on */ {0, 0} }; /* * Return a pointer to the register initialization table. */ const SMI_REGS *board_get_regs(void) { return sm502_init_regs; } int board_get_width(void) { return DISPLAY_WIDTH; } int board_get_height(void) { return DISPLAY_HEIGHT; } #ifdef CONFIG_CONSOLE_EXTRA_INFO /* * Return text to be printed besides the logo. */ void video_get_info_str(int line_number, char *info) { if (line_number == 1) strcpy(info, " Board: ICON"); else info[0] = '\0'; } #endif #endif /* CONFIG_VIDEO_SM501 */