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author | Stefan Roese <sr@denx.de> | 2007-08-15 14:51:27 +0200 |
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committer | Stefan Roese <sr@denx.de> | 2007-08-15 14:51:27 +0200 |
commit | d61ea14885631e58a25feaa81ee82eb464c62d6a (patch) | |
tree | 27927975039d0a15e6c6d4dfe8f765a76a12820a /board/amcc | |
parent | 3ba4c2d68f6541db4677b4aea12071f56e6ff6e6 (diff) | |
parent | 594e79838ce5078a90d0c27abb2b2d61d5f8e8a7 (diff) | |
download | u-boot-imx-d61ea14885631e58a25feaa81ee82eb464c62d6a.zip u-boot-imx-d61ea14885631e58a25feaa81ee82eb464c62d6a.tar.gz u-boot-imx-d61ea14885631e58a25feaa81ee82eb464c62d6a.tar.bz2 |
Merge with git://www.denx.de/git/u-boot.git
Diffstat (limited to 'board/amcc')
-rw-r--r-- | board/amcc/bamboo/bamboo.c | 321 | ||||
-rw-r--r-- | board/amcc/bamboo/init.S | 3 | ||||
-rw-r--r-- | board/amcc/bamboo/u-boot.lds | 2 | ||||
-rw-r--r-- | board/amcc/bubinga/bubinga.c | 13 | ||||
-rw-r--r-- | board/amcc/common/flash.c | 18 | ||||
-rw-r--r-- | board/amcc/luan/luan.c | 7 | ||||
-rw-r--r-- | board/amcc/taihu/Makefile | 49 | ||||
-rw-r--r-- | board/amcc/taihu/config.mk | 24 | ||||
-rw-r--r-- | board/amcc/taihu/flash.c | 1083 | ||||
-rw-r--r-- | board/amcc/taihu/lcd.c | 257 | ||||
-rw-r--r-- | board/amcc/taihu/taihu.c | 240 | ||||
-rw-r--r-- | board/amcc/taihu/u-boot.lds | 150 | ||||
-rw-r--r-- | board/amcc/taihu/update.c | 132 | ||||
-rw-r--r-- | board/amcc/yucca/yucca.c | 34 |
14 files changed, 2228 insertions, 105 deletions
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c index caf6690..00c793a 100644 --- a/board/amcc/bamboo/bamboo.c +++ b/board/amcc/bamboo/bamboo.c @@ -32,9 +32,170 @@ void ext_bus_cntlr_init(void); void configure_ppc440ep_pins(void); int is_nand_selected(void); -unsigned char cfg_simulate_spd_eeprom[128]; +#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) +/************************************************************************* + * + * Bamboo has one bank onboard sdram (plus DIMM) + * + * Fixed memory is composed of : + * MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266, + * 13 row add bits, 10 column add bits (but 12 row used only). + * ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266, + * 12 row add bits, 10 column add bits. + * Prepare a subset (only the used ones) of SPD data + * + * Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of + * the corresponding bank is divided by 2 due to number of Row addresses + * 12 in the ECC module + * + * Assumes: 64 MB, ECC, non-registered + * PLB @ 133 MHz + * + ************************************************************************/ +const unsigned char cfg_simulate_spd_eeprom[128] = { + 0x80, /* number of SPD bytes used: 128 */ + 0x08, /* total number bytes in SPD device = 256 */ + 0x07, /* DDR ram */ +#ifdef CONFIG_DDR_ECC + 0x0C, /* num Row Addr: 12 */ +#else + 0x0D, /* num Row Addr: 13 */ +#endif + 0x09, /* numColAddr: 9 */ + 0x01, /* numBanks: 1 */ + 0x20, /* Module data width: 32 bits */ + 0x00, /* Module data width continued: +0 */ + 0x04, /* 2.5 Volt */ + 0x75, /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */ +#ifdef CONFIG_DDR_ECC + 0x02, /* ECC ON : 02 OFF : 00 */ +#else + 0x00, /* ECC ON : 02 OFF : 00 */ +#endif + 0x82, /* refresh Rate Type: Normal (15.625us) + Self refresh */ + 0, + 0, + 0, + 0x01, /* wcsbc = 1 */ + 0, + 0, + 0x0C, /* casBit (2,2.5) */ + 0, + 0, + 0x00, /* not registered: 0 registered : 0x02*/ + 0, + 0xA0, /* SDRAM Cycle Time (cas latency 2) = 10 ns */ + 0, + 0x00, /* SDRAM Cycle Time (cas latency 1.5) = N.A */ + 0, + 0x50, /* tRpNs = 20 ns */ + 0, + 0x50, /* tRcdNs = 20 ns */ + 45, /* tRasNs */ +#ifdef CONFIG_DDR_ECC + 0x08, /* bankSizeID: 32MB */ +#else + 0x10, /* bankSizeID: 64MB */ +#endif + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0, + 0 +}; +#endif -gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX]; #if 0 { /* GPIO Alternate1 Alternate2 Alternate3 */ { @@ -291,73 +452,12 @@ int checkboard(void) return (0); } -#if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) -/************************************************************************* - * - * init_spd_array -- Bamboo has one bank onboard sdram (plus DIMM) - * - * Fixed memory is composed of : - * MT46V16M16TG-75 from Micron (x 2), 256Mb, 16 M x16, DDR266, - * 13 row add bits, 10 column add bits (but 12 row used only). - * ECC device: MT46V16M8TG-75 from Micron (x 1), 128Mb, x8, DDR266, - * 12 row add bits, 10 column add bits. - * Prepare a subset (only the used ones) of SPD data - * - * Note : if the ECC is enabled (SDRAM_ECC_ENABLE) the size of - * the corresponding bank is divided by 2 due to number of Row addresses - * 12 in the ECC module - * - * Assumes: 64 MB, ECC, non-registered - * PLB @ 133 MHz - * - ************************************************************************/ -static void init_spd_array(void) -{ - cfg_simulate_spd_eeprom[8] = 0x04; /* 2.5 Volt */ - cfg_simulate_spd_eeprom[2] = 0x07; /* DDR ram */ - -#ifdef CONFIG_DDR_ECC - cfg_simulate_spd_eeprom[11] = 0x02; /* ECC ON : 02 OFF : 00 */ - cfg_simulate_spd_eeprom[31] = 0x08; /* bankSizeID: 32MB */ - cfg_simulate_spd_eeprom[3] = 0x0C; /* num Row Addr: 12 */ -#else - cfg_simulate_spd_eeprom[11] = 0x00; /* ECC ON : 02 OFF : 00 */ - cfg_simulate_spd_eeprom[31] = 0x10; /* bankSizeID: 64MB */ - cfg_simulate_spd_eeprom[3] = 0x0D; /* num Row Addr: 13 */ -#endif - - cfg_simulate_spd_eeprom[4] = 0x09; /* numColAddr: 9 */ - cfg_simulate_spd_eeprom[5] = 0x01; /* numBanks: 1 */ - cfg_simulate_spd_eeprom[0] = 0x80; /* number of SPD bytes used: 128 */ - cfg_simulate_spd_eeprom[1] = 0x08; /* total number bytes in SPD device = 256 */ - cfg_simulate_spd_eeprom[21] = 0x00; /* not registered: 0 registered : 0x02*/ - cfg_simulate_spd_eeprom[6] = 0x20; /* Module data width: 32 bits */ - cfg_simulate_spd_eeprom[7] = 0x00; /* Module data width continued: +0 */ - cfg_simulate_spd_eeprom[15] = 0x01; /* wcsbc = 1 */ - cfg_simulate_spd_eeprom[27] = 0x50; /* tRpNs = 20 ns */ - cfg_simulate_spd_eeprom[29] = 0x50; /* tRcdNs = 20 ns */ - - cfg_simulate_spd_eeprom[30] = 45; /* tRasNs */ - - cfg_simulate_spd_eeprom[18] = 0x0C; /* casBit (2,2.5) */ - - cfg_simulate_spd_eeprom[9] = 0x75; /* SDRAM Cycle Time (cas latency 2.5) = 7.5 ns */ - cfg_simulate_spd_eeprom[23] = 0xA0; /* SDRAM Cycle Time (cas latency 2) = 10 ns */ - cfg_simulate_spd_eeprom[25] = 0x00; /* SDRAM Cycle Time (cas latency 1.5) = N.A */ - cfg_simulate_spd_eeprom[12] = 0x82; /* refresh Rate Type: Normal (15.625us) + Self refresh */ -} -#endif long int initdram (int board_type) { #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) long dram_size; - /* - * First write simulated values in eeprom array for onboard bank 0 - */ - init_spd_array(); - dram_size = spd_sdram(); return dram_size; @@ -371,11 +471,12 @@ int testdram(void) { unsigned long *mem = (unsigned long *)0; const unsigned long kend = (1024 / sizeof(unsigned long)); - unsigned long k, n; + unsigned long k, n, *p32, ctr; + const unsigned long bend = CFG_MBYTES_SDRAM * 1024 * 1024; mtmsr(0); - for (k = 0; k < CFG_KBYTES_SDRAM; + for (k = 0; k < CFG_MBYTES_SDRAM*1024; ++k, mem += (1024 / sizeof(unsigned long))) { if ((k & 1023) == 0) { printf("%3d MB\r", k / 1024); @@ -399,6 +500,34 @@ int testdram(void) } } } + + /* + * Perform a sequence test to ensure that all + * memory locations are uniquely addressable + */ + ctr = 0; + p32 = 0; + while ((unsigned long)p32 != bend) { + if (0 == ((unsigned long)p32 & ((1<<20)-1))) + printf("Writing %3d MB\r", (unsigned long)p32 >> 20); + *p32++ = ctr++; + } + + ctr = 0; + p32 = 0; + while ((unsigned long)p32 != bend) { + if (0 == ((unsigned long)p32 & ((1<<20)-1))) + printf("Verifying %3d MB\r", (unsigned long)p32 >> 20); + + if (*p32 != ctr) { + printf("SDRAM test fails at: %08x\n", p32); + return 1; + } + + ctr++; + p32++; + } + printf("SDRAM test passes\n"); return 0; } @@ -1211,7 +1340,7 @@ void uart_selection_in_fpga(uart_config_nb_t uart_config) /*----------------------------------------------------------------------------+ | init_default_gpio +----------------------------------------------------------------------------*/ -void init_default_gpio(void) +void init_default_gpio(gpio_param_s (*gpio_tab)[GPIO_MAX]) { int i; @@ -1281,7 +1410,7 @@ void init_default_gpio(void) | +----------------------------------------------------------------------------*/ -void update_uart_ios(uart_config_nb_t uart_config) +void update_uart_ios(uart_config_nb_t uart_config, gpio_param_s (*gpio_tab)[GPIO_MAX]) { switch (uart_config) { @@ -1409,7 +1538,7 @@ void update_uart_ios(uart_config_nb_t uart_config) /*----------------------------------------------------------------------------+ | update_ndfc_ios(void). +----------------------------------------------------------------------------*/ -void update_ndfc_ios(void) +void update_ndfc_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { /* Update GPIO Configuration Table */ gpio_tab[GPIO0][6].in_out = GPIO_OUT; /* EBC_CS_N(1) */ @@ -1427,7 +1556,7 @@ void update_ndfc_ios(void) /*----------------------------------------------------------------------------+ | update_zii_ios(void). +----------------------------------------------------------------------------*/ -void update_zii_ios(void) +void update_zii_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { /* Update GPIO Configuration Table */ gpio_tab[GPIO0][12].in_out = GPIO_IN; /* ZII_p0Rxd(0) */ @@ -1477,7 +1606,7 @@ void update_zii_ios(void) /*----------------------------------------------------------------------------+ | update_uic_0_3_irq_ios(). +----------------------------------------------------------------------------*/ -void update_uic_0_3_irq_ios(void) +void update_uic_0_3_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO1][8].in_out = GPIO_IN; /* UIC_IRQ(0) */ gpio_tab[GPIO1][8].alt_nb = GPIO_ALT1; @@ -1495,7 +1624,7 @@ void update_uic_0_3_irq_ios(void) /*----------------------------------------------------------------------------+ | update_uic_4_9_irq_ios(). +----------------------------------------------------------------------------*/ -void update_uic_4_9_irq_ios(void) +void update_uic_4_9_irq_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO1][12].in_out = GPIO_IN; /* UIC_IRQ(4) */ gpio_tab[GPIO1][12].alt_nb = GPIO_ALT1; @@ -1516,7 +1645,7 @@ void update_uic_4_9_irq_ios(void) /*----------------------------------------------------------------------------+ | update_dma_a_b_ios(). +----------------------------------------------------------------------------*/ -void update_dma_a_b_ios(void) +void update_dma_a_b_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO1][12].in_out = GPIO_OUT; /* DMA_ACK(1) */ gpio_tab[GPIO1][12].alt_nb = GPIO_ALT2; @@ -1537,7 +1666,7 @@ void update_dma_a_b_ios(void) /*----------------------------------------------------------------------------+ | update_dma_c_d_ios(). +----------------------------------------------------------------------------*/ -void update_dma_c_d_ios(void) +void update_dma_c_d_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][0].in_out = GPIO_IN; /* DMA_REQ(2) */ gpio_tab[GPIO0][0].alt_nb = GPIO_ALT2; @@ -1562,7 +1691,7 @@ void update_dma_c_d_ios(void) /*----------------------------------------------------------------------------+ | update_ebc_master_ios(). +----------------------------------------------------------------------------*/ -void update_ebc_master_ios(void) +void update_ebc_master_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][27].in_out = GPIO_IN; /* EXT_EBC_REQ */ gpio_tab[GPIO0][27].alt_nb = GPIO_ALT1; @@ -1580,7 +1709,7 @@ void update_ebc_master_ios(void) /*----------------------------------------------------------------------------+ | update_usb2_device_ios(). +----------------------------------------------------------------------------*/ -void update_usb2_device_ios(void) +void update_usb2_device_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][26].in_out = GPIO_IN; /* USB2D_RXVALID */ gpio_tab[GPIO0][26].alt_nb = GPIO_ALT2; @@ -1611,20 +1740,21 @@ void update_usb2_device_ios(void) /*----------------------------------------------------------------------------+ | update_pci_patch_ios(). +----------------------------------------------------------------------------*/ -void update_pci_patch_ios(void) +void update_pci_patch_ios(gpio_param_s (*gpio_tab)[GPIO_MAX]) { gpio_tab[GPIO0][29].in_out = GPIO_OUT; /* EBC_EXT_HDLA */ gpio_tab[GPIO0][29].alt_nb = GPIO_ALT1; } /*----------------------------------------------------------------------------+ - | set_chip_gpio_configuration(unsigned char gpio_core) + | set_chip_gpio_configuration(unsigned char gpio_core, + | gpio_param_s (*gpio_tab)[GPIO_MAX]) | Put the core impacted by clock modification and sharing in reset. | Config the select registers to resolve the sharing depending of the config. | Configure the GPIO registers. | +----------------------------------------------------------------------------*/ -void set_chip_gpio_configuration(unsigned char gpio_core) +void set_chip_gpio_configuration(unsigned char gpio_core, gpio_param_s (*gpio_tab)[GPIO_MAX]) { unsigned char i=0, j=0, reg_offset = 0; unsigned long gpio_reg, gpio_core_add; @@ -1778,11 +1908,12 @@ void configure_ppc440ep_pins(void) CORE_NOT_SELECTED /* PCI_PATCH */ }; + gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX]; /* Table Default Initialisation + FPGA Access */ - init_default_gpio(); - set_chip_gpio_configuration(GPIO0); - set_chip_gpio_configuration(GPIO1); + init_default_gpio(gpio_tab); + set_chip_gpio_configuration(GPIO0, gpio_tab); + set_chip_gpio_configuration(GPIO1, gpio_tab); /* Update Table */ force_bup_core_selection(ppc440ep_core_selection, &config_val); @@ -1817,7 +1948,7 @@ void configure_ppc440ep_pins(void) /* UIC 0:3 Selection */ if (ppc440ep_core_selection[UIC_0_3] == CORE_SELECTED) { - update_uic_0_3_irq_ios(); + update_uic_0_3_irq_ios(gpio_tab); dma_a_b_unselect_in_fpga(); } @@ -1825,21 +1956,21 @@ void configure_ppc440ep_pins(void) if (ppc440ep_core_selection[UIC_4_9] == CORE_SELECTED) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_UICIRQ5_SEL; - update_uic_4_9_irq_ios(); + update_uic_4_9_irq_ios(gpio_tab); } /* DMA AB Selection */ if (ppc440ep_core_selection[DMA_CHANNEL_AB] == CORE_SELECTED) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_DIS_MASK) | SDR0_PFC1_DIS_DMAR_SEL; - update_dma_a_b_ios(); + update_dma_a_b_ios(gpio_tab); dma_a_b_selection_in_fpga(); } /* DMA CD Selection */ if (ppc440ep_core_selection[DMA_CHANNEL_CD] == CORE_SELECTED) { - update_dma_c_d_ios(); + update_dma_c_d_ios(gpio_tab); dma_c_d_selection_in_fpga(); } @@ -1848,14 +1979,14 @@ void configure_ppc440ep_pins(void) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_ERE_MASK) | SDR0_PFC1_ERE_EXTR_SEL; sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL; - update_ebc_master_ios(); + update_ebc_master_ios(gpio_tab); } /* PCI Patch Enable */ if (ppc440ep_core_selection[PCI_PATCH] == CORE_SELECTED) { sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_EBCHR_SEL; - update_pci_patch_ios(); + update_pci_patch_ios(gpio_tab); } /* USB2 Host Selection - Not Implemented in PowerPC 440EP Pass1 */ @@ -1871,7 +2002,7 @@ void configure_ppc440ep_pins(void) /* USB2.0 Device Selection */ if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED) { - update_usb2_device_ios(); + update_usb2_device_ios(gpio_tab); sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UES_MASK) | SDR0_PFC1_UES_USB2D_SEL; sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_UPR_MASK) | SDR0_PFC1_UPR_DISABLE; @@ -1904,7 +2035,7 @@ void configure_ppc440ep_pins(void) /* NAND Flash Selection */ if (ppc440ep_core_selection[NAND_FLASH] == CORE_SELECTED) { - update_ndfc_ios(); + update_ndfc_ios(gpio_tab); #if !(defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)) mtsdr(sdr_cust0, SDR0_CUST0_MUX_NDFC_SEL | @@ -1933,7 +2064,7 @@ void configure_ppc440ep_pins(void) /* MII Selection */ if (ppc440ep_core_selection[MII_SEL] == CORE_SELECTED) { - update_zii_ios(); + update_zii_ios(gpio_tab); mfsdr(sdr_mfr, sdr0_mfr); sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_MII; mtsdr(sdr_mfr, sdr0_mfr); @@ -1944,7 +2075,7 @@ void configure_ppc440ep_pins(void) /* RMII Selection */ if (ppc440ep_core_selection[RMII_SEL] == CORE_SELECTED) { - update_zii_ios(); + update_zii_ios(gpio_tab); mfsdr(sdr_mfr, sdr0_mfr); sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_RMII_10M; mtsdr(sdr_mfr, sdr0_mfr); @@ -1955,7 +2086,7 @@ void configure_ppc440ep_pins(void) /* SMII Selection */ if (ppc440ep_core_selection[SMII_SEL] == CORE_SELECTED) { - update_zii_ios(); + update_zii_ios(gpio_tab); mfsdr(sdr_mfr, sdr0_mfr); sdr0_mfr = (sdr0_mfr & ~SDR0_MFR_ZMII_MODE_MASK) | SDR0_MFR_ZMII_MODE_SMII; mtsdr(sdr_mfr, sdr0_mfr); @@ -1992,7 +2123,7 @@ void configure_ppc440ep_pins(void) sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_DSR_DTR; break; } - update_uart_ios(uart_configuration); + update_uart_ios(uart_configuration, gpio_tab); /* UART Selection in all cases */ uart_selection_in_fpga(uart_configuration); @@ -2014,8 +2145,8 @@ void configure_ppc440ep_pins(void) /* Perform effective access to hardware */ mtsdr(sdr_pfc1, sdr0_pfc1); - set_chip_gpio_configuration(GPIO0); - set_chip_gpio_configuration(GPIO1); + set_chip_gpio_configuration(GPIO0, gpio_tab); + set_chip_gpio_configuration(GPIO1, gpio_tab); /* USB2.0 Device Reset must be done after GPIO setting */ if (ppc440ep_core_selection[USB2_DEVICE] == CORE_SELECTED) diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S index 1459eec..f4d2ae3 100644 --- a/board/amcc/bamboo/init.S +++ b/board/amcc/bamboo/init.S @@ -51,13 +51,12 @@ tlbtab: tlbentry(CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G) #else tlbentry(CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 0, AC_R|AC_W|AC_X|SA_G) + tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I) #endif /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ tlbentry(CFG_INIT_RAM_ADDR, SZ_4K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G) - tlbentry(CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I) - /* PCI base & peripherals */ tlbentry(CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I) diff --git a/board/amcc/bamboo/u-boot.lds b/board/amcc/bamboo/u-boot.lds index f6d7183..0375618 100644 --- a/board/amcc/bamboo/u-boot.lds +++ b/board/amcc/bamboo/u-boot.lds @@ -141,8 +141,6 @@ SECTIONS *(COMMON) } - ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified."); - _end = . ; PROVIDE (end = .); } diff --git a/board/amcc/bubinga/bubinga.c b/board/amcc/bubinga/bubinga.c index fe6ce8a..66e7509 100644 --- a/board/amcc/bubinga/bubinga.c +++ b/board/amcc/bubinga/bubinga.c @@ -20,10 +20,12 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ -long int spd_sdram(void); #include <common.h> #include <asm/processor.h> +#include <asm/io.h> + +long int spd_sdram(void); int board_early_init_f(void) { @@ -34,6 +36,15 @@ int board_early_init_f(void) mtdcr(uictr, 0x00000010); /* set int trigger levels */ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + /* + * Configure CPC0_PCI to enable PerWE as output + * and enable the internal PCI arbiter if selected + */ + if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB) + mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN); + else + mtdcr(cpc0_pci, CPC0_PCI_HOST_CFG_EN); + return 0; } diff --git a/board/amcc/common/flash.c b/board/amcc/common/flash.c index e6429ec..eba0511 100644 --- a/board/amcc/common/flash.c +++ b/board/amcc/common/flash.c @@ -745,19 +745,27 @@ static ulong flash_get_size_2(vu_long * addr, flash_info_t * info) if (info->flash_id & FLASH_BTYPE) { /* set sector offsets for bottom boot block type */ info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00004000; - info->start[2] = base + 0x00006000; - info->start[3] = base + 0x00008000; - for (i = 4; i < info->sector_count; i++) { + info->start[1] = base + 0x00002000; + info->start[2] = base + 0x00004000; + info->start[3] = base + 0x00006000; + info->start[4] = base + 0x00008000; + info->start[5] = base + 0x0000a000; + info->start[6] = base + 0x0000c000; + info->start[7] = base + 0x0000e000; + for (i = 8; i < info->sector_count; i++) { info->start[i] = - base + (i * 0x00010000) - 0x00030000; + base + ((i-7) * 0x00010000); } } else { /* set sector offsets for top boot block type */ i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00002000; info->start[i--] = base + info->size - 0x00004000; info->start[i--] = base + info->size - 0x00006000; info->start[i--] = base + info->size - 0x00008000; + info->start[i--] = base + info->size - 0x0000a000; + info->start[i--] = base + info->size - 0x0000c000; + info->start[i--] = base + info->size - 0x0000e000; for (; i >= 0; i--) { info->start[i] = base + i * 0x00010000; } diff --git a/board/amcc/luan/luan.c b/board/amcc/luan/luan.c index 2eff3b3..7b16f8a 100644 --- a/board/amcc/luan/luan.c +++ b/board/amcc/luan/luan.c @@ -104,6 +104,13 @@ int checkboard(void) return 0; } +/* + * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with + * board specific values. + */ +u32 ddr_clktr(u32 default_val) { + return (SDRAM_CLKTR_CLKP_180_DEG_ADV); +} /************************************************************************* * int testdram() diff --git a/board/amcc/taihu/Makefile b/board/amcc/taihu/Makefile new file mode 100644 index 0000000..9731c6e --- /dev/null +++ b/board/amcc/taihu/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).a + +COBJS = $(BOARD).o flash.o lcd.o update.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(OBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/amcc/taihu/config.mk b/board/amcc/taihu/config.mk new file mode 100644 index 0000000..1bdf5e4 --- /dev/null +++ b/board/amcc/taihu/config.mk @@ -0,0 +1,24 @@ +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +TEXT_BASE = 0xFFFC0000 diff --git a/board/amcc/taihu/flash.c b/board/amcc/taihu/flash.c new file mode 100644 index 0000000..290259e --- /dev/null +++ b/board/amcc/taihu/flash.c @@ -0,0 +1,1083 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Modified 4/5/2001 + * Wait for completion of each sector erase command issued + * 4/5/2001 + * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com + */ + +#include <common.h> +#include <ppc4xx.h> +#include <asm/processor.h> + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +#undef DEBUG +#ifdef DEBUG +#define DEBUGF(x...) printf(x) +#else +#define DEBUGF(x...) +#endif /* DEBUG */ + +#define CFG_FLASH_CHAR_SIZE unsigned char +#define CFG_FLASH_CHAR_ADDR0 (0x0aaa) +#define CFG_FLASH_CHAR_ADDR1 (0x0555) +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size(vu_long * addr, flash_info_t * info); +static void flash_get_offsets(ulong base, flash_info_t * info); +static int write_word(flash_info_t * info, ulong dest, ulong data); +#ifdef FLASH_BASE1_PRELIM +static int write_word_1(flash_info_t * info, ulong dest, ulong data); +static int write_word_2(flash_info_t * info, ulong dest, ulong data); +static int flash_erase_1(flash_info_t * info, int s_first, int s_last); +static int flash_erase_2(flash_info_t * info, int s_first, int s_last); +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info); +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info); +#endif + +unsigned long flash_init(void) +{ + unsigned long size_b0, size_b1=0; + int i; + + /* Init: no FLASHes known */ + for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here - FIXME XXX */ + + size_b0 = + flash_get_size((vu_long *) FLASH_BASE0_PRELIM, &flash_info[0]); + + if (flash_info[0].flash_id == FLASH_UNKNOWN) { + printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0 << 20); + } + + if (size_b0) { + /* Setup offsets */ + flash_get_offsets(FLASH_BASE0_PRELIM, &flash_info[0]); + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + CFG_MONITOR_LEN - 1, + &flash_info[0]); +#ifdef CFG_ENV_IS_IN_FLASH + (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); + (void)flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR_REDUND, + CFG_ENV_ADDR_REDUND + CFG_ENV_SECT_SIZE - 1, + &flash_info[0]); +#endif + /* Also protect sector containing initial power-up instruction */ + /* (flash_protect() checks address range - other call ignored) */ + (void)flash_protect(FLAG_PROTECT_SET, + 0xFFFFFFFC, 0xFFFFFFFF, &flash_info[0]); + + flash_info[0].size = size_b0; + } +#ifdef FLASH_BASE1_PRELIM + size_b1 = + flash_get_size((vu_long *) FLASH_BASE1_PRELIM, &flash_info[1])*2; + + if (flash_info[1].flash_id == FLASH_UNKNOWN) { + printf("## Unknown FLASH on Bank 1 - Size = 0x%08lx = %ld MB\n", + size_b1, size_b1 << 20); + } + + if (size_b1) { + /* Setup offsets */ + flash_get_offsets(FLASH_BASE1_PRELIM, &flash_info[1]); + flash_info[1].size = size_b1; + } +#endif + return (size_b0 + size_b1); +} + +static void flash_get_offsets(ulong base, flash_info_t * info) +{ + int i; + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + (info->flash_id == FLASH_AM040)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000*2); + } + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N ) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00020000*2); + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } +} + + +void flash_print_info(flash_info_t * info) +{ + int i; + int k; + int size; + int erased; + volatile unsigned long *flash; + + if (info->flash_id == FLASH_UNKNOWN) { + printf("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: + printf("AMD "); + break; + case FLASH_MAN_STM: + printf("STM "); + break; + case FLASH_MAN_FUJ: + printf("FUJITSU "); + break; + case FLASH_MAN_SST: + printf("SST "); + break; + default: + printf("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM040: + printf("AM29F040 (512 Kbit, uniform sector size)\n"); + break; + case FLASH_AM400B: + printf("AM29LV400B (4 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM400T: + printf("AM29LV400T (4 Mbit, top boot sector)\n"); + break; + case FLASH_AM800B: + printf("AM29LV800B (8 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM800T: + printf("AM29LV800T (8 Mbit, top boot sector)\n"); + break; + case FLASH_AMD016: + printf("AM29F016D (16 Mbit, uniform sector size)\n"); + break; + case FLASH_AM160B: + printf("AM29LV160B (16 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM160T: + printf("AM29LV160T (16 Mbit, top boot sector)\n"); + break; + case FLASH_AM320B: + printf("AM29LV320B (32 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM320T: + printf("AM29LV320T (32 Mbit, top boot sector)\n"); + break; + case FLASH_AM033C: + printf("AM29LV033C (32 Mbit, top boot sector)\n"); + break; + case FLASH_AMLV128U: + printf("AM29LV128U (128 Mbit * 2, top boot sector)\n"); + break; + case FLASH_SST800A: + printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); + break; + case FLASH_SST160A: + printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); + break; + case FLASH_STMW320DT: + printf ("M29W320DT (32 M, top sector)\n"); + break; + case FLASH_S29GL128N: + printf ("S29GL128N (256 Mbit, uniform sector size)\n"); + break; + default: + printf("Unknown Chip Type\n"); + break; + } + + printf(" Size: %ld KB in %d Sectors\n", + info->size >> 10, info->sector_count); + + printf(" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count - 1)) + size = info->start[i + 1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *)info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k = 0; k < size; k++) { + if (*flash++ != 0xffffffff) { + erased = 0; + break; + } + } + + if ((i % 5) == 0) + printf("\n "); + printf(" %08lX%s%s", + info->start[i], + erased ? " E" : " ", info->protect[i] ? "RO " : " "); + } + printf("\n"); + return; +} + + +/* + * The following code cannot be run from FLASH! + */ +#ifdef FLASH_BASE1_PRELIM +static ulong flash_get_size(vu_long * addr, flash_info_t * info) +{ + if ((ulong)addr == FLASH_BASE1_PRELIM) { + return flash_get_size_2(addr, info); + } else { + return flash_get_size_1(addr, info); + } +} + +static ulong flash_get_size_1(vu_long * addr, flash_info_t * info) +#else +static ulong flash_get_size(vu_long * addr, flash_info_t * info) +#endif +{ + short i; + CFG_FLASH_WORD_SIZE value; + ulong base = (ulong) addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr; + + DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00900090; + udelay(1000); + + value = addr2[0]; + DEBUGF("FLASH MANUFACT: %x\n", value); + + switch (value) { + case (CFG_FLASH_WORD_SIZE) AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_WORD_SIZE) FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_WORD_SIZE) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CFG_FLASH_WORD_SIZE) STM_MANUFACT: + info->flash_id = FLASH_MAN_STM; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return 0; /* no or unknown flash */ + } + + value = addr2[1]; /* device ID */ + DEBUGF("\nFLASH DEVICEID: %x\n", value); + + switch (value) { + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_WORD_SIZE) AMD_ID_F040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_WORD_SIZE) STM_ID_M29W040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_WORD_SIZE) AMD_ID_F016D: + info->flash_id += FLASH_AMD016; + info->sector_count = 32; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV033C: + info->flash_id += FLASH_AMDLV033C; + info->sector_count = 64; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE) AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + default: + info->flash_id = FLASH_UNKNOWN; + return 0; /* => no or unknown flash */ + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } + else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000 * 2); + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + + /* For AMD29033C flash we need to resend the command of * + * reading flash protection for upper 8 Mb of flash */ + if (i == 32) { + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = addr2[2] & 1; + } + + /* issue bank reset to return to read mode */ + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; + + return info->size; +} + +static int wait_for_DQ7_1(flash_info_t * info, int sect) +{ + ulong start, now, last; + volatile CFG_FLASH_WORD_SIZE *addr = + (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + start = get_timer(0); + last = start; + while ((addr[0] & (CFG_FLASH_WORD_SIZE) 0x00800080) != + (CFG_FLASH_WORD_SIZE) 0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + return -1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc('.'); + last = now; + } + } + return 0; +} + +#ifdef FLASH_BASE1_PRELIM +int flash_erase(flash_info_t * info, int s_first, int s_last) +{ + if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { + return flash_erase_2(info, s_first, s_last); + } else { + return flash_erase_1(info, s_first, s_last); + } +} + +static int flash_erase_1(flash_info_t * info, int s_first, int s_last) +#else +int flash_erase(flash_info_t * info, int s_first, int s_last) +#endif +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + int i; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf("- missing\n"); + } else { + printf("- no sectors to erase\n"); + } + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf("\n"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00500050; /* block erase */ + for (i = 0; i < 50; i++) + udelay(1000); /* wait 1 ms */ + } else { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x00300030; /* sector erase */ + } + l_sect = sect; + /* + * Wait for each sector to complete, it's more + * reliable. According to AMD Spec, you must + * issue all erase commands within a specified + * timeout. This has been seen to fail, especially + * if printf()s are included (for debug)!! + */ + wait_for_DQ7_1(info, sect); + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay(1000); + + /* reset to read mode */ + addr = (CFG_FLASH_WORD_SIZE *) info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ + + printf(" done\n"); + return 0; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i = 0, cp = wp; i < l; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + for (; i < 4 && cnt > 0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt == 0 && i < 4; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + if ((rc = write_word(info, wp, data)) != 0) { + return rc; + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i = 0; i < 4; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_word(info, wp, data)) != 0) { + return rc; + } + wp += 4; + cnt -= 4; + } + + if (cnt == 0) { + return 0; + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < 4; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_word(info, wp, data)); +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +#ifdef FLASH_BASE1_PRELIM +static int write_word(flash_info_t * info, ulong dest, ulong data) +{ + if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_STMW320DT)) { + return write_word_2(info, dest, data); + } else { + return write_word_1(info, dest, data); + } +} + +static int write_word_1(flash_info_t * info, ulong dest, ulong data) +#else +static int write_word(flash_info_t * info, ulong dest, ulong data) +#endif +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data; + ulong start; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *)dest) & data) != data) { + return 2; + } + + for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) { + int flag; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer(0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080) != + (data2[i] & (CFG_FLASH_WORD_SIZE) 0x00800080)) { + + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return 1; + } + } + } + + return 0; +} + +#ifdef FLASH_BASE1_PRELIM + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size_2(vu_long * addr, flash_info_t * info) +{ + short i; + CFG_FLASH_CHAR_SIZE value; + ulong base = (ulong) addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) addr; + + DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; + udelay(1000); + + value = (CFG_FLASH_CHAR_SIZE)addr2[0]; + DEBUGF("FLASH MANUFACT: %x\n", value); + + switch (value) { + case (CFG_FLASH_CHAR_SIZE) AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_CHAR_SIZE) FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_CHAR_SIZE) SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CFG_FLASH_CHAR_SIZE) STM_MANUFACT: + info->flash_id = FLASH_MAN_STM; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return 0; /* no or unknown flash */ + } + + value = (CFG_FLASH_CHAR_SIZE)addr2[2]; /* device ID */ + DEBUGF("\nFLASH DEVICEID: %x\n", value); + + switch (value) { + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_F040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_CHAR_SIZE) STM_ID_M29W040B: + info->flash_id += FLASH_AM040; + info->sector_count = 8; + info->size = 0x0080000; /* => 512 ko */ + break; + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_F016D: + info->flash_id += FLASH_AMD016; + info->sector_count = 32; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV033C: + info->flash_id += FLASH_AMDLV033C; + info->sector_count = 64; + info->size = 0x00400000; + break; /* => 4 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_CHAR_SIZE) AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + case (CFG_FLASH_CHAR_SIZE) AMD_ID_MIRROR: + if ((CFG_FLASH_CHAR_SIZE)addr2[0x1c] == (CFG_FLASH_CHAR_SIZE)AMD_ID_LV128U_2 + && (CFG_FLASH_CHAR_SIZE)addr2[0x1e] == (CFG_FLASH_CHAR_SIZE)AMD_ID_LV128U_3) { + info->flash_id += FLASH_AMLV128U; + info->sector_count = 256; + info->size = 0x01000000; + } else if ((CFG_FLASH_CHAR_SIZE)addr2[0x1c] == (CFG_FLASH_CHAR_SIZE)AMD_ID_GL128N_2 + && (CFG_FLASH_CHAR_SIZE)addr2[0x1e] == (CFG_FLASH_CHAR_SIZE)AMD_ID_GL128N_3 ) { + info->flash_id += FLASH_S29GL128N; + info->sector_count = 128; + info->size = 0x01000000; + } + else + info->flash_id = FLASH_UNKNOWN; + break; /* => 2 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return 0; /* => no or unknown flash */ + } + + /* set up sector start address table */ + if (((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMD016)) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMLV128U) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00010000); + } else if ((info->flash_id & FLASH_TYPEMASK) == FLASH_S29GL128N ) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00020000); + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = + base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + + /* For AMD29033C flash we need to resend the command of * + * reading flash protection for upper 8 Mb of flash */ + if (i == 32) { + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x90909090; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) + info->protect[i] = 0; + else + info->protect[i] = (CFG_FLASH_CHAR_SIZE)addr2[4] & 1; + } + + /* issue bank reset to return to read mode */ + addr2[0] = (CFG_FLASH_WORD_SIZE) 0xF0F0F0F0; + return info->size; +} + +static int wait_for_DQ7_2(flash_info_t * info, int sect) +{ + ulong start, now, last; + volatile CFG_FLASH_WORD_SIZE *addr = + (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + start = get_timer(0); + last = start; + while (((CFG_FLASH_WORD_SIZE)addr[0] & (CFG_FLASH_WORD_SIZE) 0x80808080) != + (CFG_FLASH_WORD_SIZE) 0x80808080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf("Timeout\n"); + return -1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc('.'); + last = now; + } + } + return 0; +} + +static int flash_erase_2(flash_info_t * info, int s_first, int s_last) +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + int i; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) { + printf("- missing\n"); + } else { + printf("- no sectors to erase\n"); + } + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf("\n"); + } + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[sect]); + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x80808080; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x50505050; /* block erase */ + for (i = 0; i < 50; i++) + udelay(1000); /* wait 1 ms */ + } else { + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0x80808080; + addr[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[0] = (CFG_FLASH_WORD_SIZE) 0x30303030; /* sector erase */ + } + l_sect = sect; + /* + * Wait for each sector to complete, it's more + * reliable. According to AMD Spec, you must + * issue all erase commands within a specified + * timeout. This has been seen to fail, especially + * if printf()s are included (for debug)!! + */ + wait_for_DQ7_2(info, sect); + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay(1000); + + /* reset to read mode */ + addr = (CFG_FLASH_WORD_SIZE *) info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE) 0xF0F0F0F0; /* reset bank */ + + printf(" done\n"); + return 0; +} + +static int write_word_2(flash_info_t * info, ulong dest, ulong data) +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *) (info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *) dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *) & data; + ulong start; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *)dest) & data) != data) { + return 2; + } + + for (i = 0; i < 4 / sizeof(CFG_FLASH_WORD_SIZE); i++) { + int flag; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xAAAAAAAA; + addr2[CFG_FLASH_CHAR_ADDR1] = (CFG_FLASH_WORD_SIZE) 0x55555555; + addr2[CFG_FLASH_CHAR_ADDR0] = (CFG_FLASH_WORD_SIZE) 0xA0A0A0A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer(0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE) 0x80808080) != + (data2[i] & (CFG_FLASH_WORD_SIZE) 0x80808080)) { + + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + return 1; + } + } + } + + return 0; +} + +#endif /* FLASH_BASE1_PRELIM */ diff --git a/board/amcc/taihu/lcd.c b/board/amcc/taihu/lcd.c new file mode 100644 index 0000000..3d042df --- /dev/null +++ b/board/amcc/taihu/lcd.c @@ -0,0 +1,257 @@ +/* + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <command.h> +#include <asm/io.h> +#include <asm/gpio.h> + +#define LCD_CMD_ADDR 0x50100002 +#define LCD_DATA_ADDR 0x50100003 +#define LCD_BLK_CTRL CPLD_REG1_ADDR + +static char *amcc_logo = "AMCC 405EP TAIHU EVALUATION KIT"; +static int addr_flag = 0x80; + +static void lcd_bl_ctrl(char val) +{ + out_8((u8 *) LCD_BLK_CTRL, in_8((u8 *) LCD_BLK_CTRL) | val); +} + +static void lcd_putc(int val) +{ + int i = 100; + char addr; + + while (i--) { + if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/ + udelay(50); + break; + } + udelay(50); + } + + if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) { + printf("LCD is busy\n"); + return; + } + + addr = in_8((u8 *) LCD_CMD_ADDR); + udelay(50); + if ((addr != 0) && (addr % 0x10 == 0)) { + addr_flag ^= 0x40; + out_8((u8 *) LCD_CMD_ADDR, addr_flag); + } + + udelay(50); + out_8((u8 *) LCD_DATA_ADDR, val); + udelay(50); +} + +static void lcd_puts(char *s) +{ + char *p = s; + int i = 100; + + while (i--) { + if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/ + udelay(50); + break; + } + udelay(50); + } + + if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) { + printf("LCD is busy\n"); + return; + } + + while (*p) + lcd_putc(*p++); +} + +static void lcd_put_logo(void) +{ + int i = 100; + char *p = amcc_logo; + + while (i--) { + if ((in_8((u8 *) LCD_CMD_ADDR) & 0x80) != 0x80) { /*BF = 1 ?*/ + udelay(50); + break; + } + udelay(50); + } + + if (in_8((u8 *) LCD_CMD_ADDR) & 0x80) { + printf("LCD is busy\n"); + return; + } + + out_8((u8 *) LCD_CMD_ADDR, 0x80); + while (*p) + lcd_putc(*p++); +} + +int lcd_init(void) +{ + puts("LCD: "); + out_8((u8 *) LCD_CMD_ADDR, 0x38); /* set function:8-bit,2-line,5x7 font type */ + udelay(50); + out_8((u8 *) LCD_CMD_ADDR, 0x0f); /* set display on,cursor on,blink on */ + udelay(50); + out_8((u8 *) LCD_CMD_ADDR, 0x01); /* display clear */ + udelay(2000); + out_8((u8 *) LCD_CMD_ADDR, 0x06); /* set entry */ + udelay(50); + lcd_bl_ctrl(0x02); /* set backlight on */ + lcd_put_logo(); + puts("ready\n"); + + return 0; +} + +static int do_lcd_clear (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + out_8((u8 *) LCD_CMD_ADDR, 0x01); + udelay(2000); + + return 0; +} + +static int do_lcd_puts (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + if (argc < 2) { + printf("%s", cmdtp->usage); + return 1; + } + lcd_puts(argv[1]); + + return 0; +} + +static int do_lcd_putc (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + if (argc < 2) { + printf("%s", cmdtp->usage); + return 1; + } + lcd_putc((char)argv[1][0]); + + return 0; +} + +static int do_lcd_cur (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + ulong count; + ulong dir; + char cur_addr; + + if (argc < 3) { + printf("%s", cmdtp->usage); + return 1; + } + + count = simple_strtoul(argv[1], NULL, 16); + if (count > 31) { + printf("unable to shift > 0x20\n"); + count = 0; + } + + dir = simple_strtoul(argv[2], NULL, 16); + cur_addr = in_8((u8 *) LCD_CMD_ADDR); + udelay(50); + + if (dir == 0x0) { + if (addr_flag == 0x80) { + if (count >= (cur_addr & 0xf)) { + out_8((u8 *) LCD_CMD_ADDR, 0x80); + udelay(50); + count = 0; + } + } else { + if (count >= ((cur_addr & 0x0f) + 0x0f)) { + out_8((u8 *) LCD_CMD_ADDR, 0x80); + addr_flag = 0x80; + udelay(50); + count = 0x0; + } else if (count >= ( cur_addr & 0xf)) { + count -= cur_addr & 0xf ; + out_8((u8 *) LCD_CMD_ADDR, 0x80 | 0xf); + addr_flag = 0x80; + udelay(50); + } + } + } else { + if (addr_flag == 0x80) { + if (count >= (0x1f - (cur_addr & 0xf))) { + count = 0x0; + addr_flag = 0xc0; + out_8((u8 *) LCD_CMD_ADDR, 0xc0 | 0xf); + udelay(50); + } else if ((count + (cur_addr & 0xf ))>= 0x0f) { + count = count + (cur_addr & 0xf) - 0x0f; + addr_flag = 0xc0; + out_8((u8 *) LCD_CMD_ADDR, 0xc0); + udelay(50); + } + } else if ((count + (cur_addr & 0xf )) >= 0x0f) { + count = 0x0; + out_8((u8 *) LCD_CMD_ADDR, 0xC0 | 0x0F); + udelay(50); + } + } + while (count--) { + if (dir == 0) + out_8((u8 *) LCD_CMD_ADDR, 0x10); + else + out_8((u8 *) LCD_CMD_ADDR, 0x14); + udelay(50); + } + + return 0; +} + +U_BOOT_CMD( + lcd_cls, 1, 1, do_lcd_clear, + "lcd_cls - lcd clear display\n", + NULL + ); + +U_BOOT_CMD( + lcd_puts, 2, 1, do_lcd_puts, + "lcd_puts - display string on lcd\n", + "<string> - <string> to be displayed\n" + ); + +U_BOOT_CMD( + lcd_putc, 2, 1, do_lcd_putc, + "lcd_putc - display char on lcd\n", + "<char> - <char> to be displayed\n" + ); + +U_BOOT_CMD( + lcd_cur, 3, 1, do_lcd_cur, + "lcd_cur - shift cursor on lcd\n", + "<count> <dir> - shift cursor on lcd <count> times, direction is <dir> \n" + " <count> - 0..31\n" + " <dir> - 0=backward 1=forward\n" + ); diff --git a/board/amcc/taihu/taihu.c b/board/amcc/taihu/taihu.c new file mode 100644 index 0000000..ea83671 --- /dev/null +++ b/board/amcc/taihu/taihu.c @@ -0,0 +1,240 @@ +/* + * (C) Copyright 2000-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2005-2007 + * Beijing UD Technology Co., Ltd., taihusupport@amcc.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <command.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <spi.h> +#include <asm/gpio.h> + +extern int lcd_init(void); + +/* + * board_early_init_f + */ +int board_early_init_f(void) +{ + lcd_init(); + + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); + mtdcr(uicpr, 0xFFFF7F00); /* set int polarities */ + mtdcr(uictr, 0x00000000); /* set int trigger levels */ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */ + + mtebc(pb3ap, CFG_EBC_PB3AP); /* memory bank 3 (CPLD_LCM) initialization */ + mtebc(pb3cr, CFG_EBC_PB3CR); + + /* + * Configure CPC0_PCI to enable PerWE as output + * and enable the internal PCI arbiter + */ + mtdcr(cpc0_pci, CPC0_PCI_SPE | CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN); + + return 0; +} + +/* + * Check Board Identity: + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + + puts("Board: Taihu - AMCC PPC405EP Evaluation Board"); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return 0; +} + +/************************************************************************* + * long int initdram + * + ************************************************************************/ +long int initdram(int board) +{ + return CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS; /* 128Mbytes */ +} + +static int do_sw_stat(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[]) +{ + char stat; + int i; + + stat = in_8((u8 *) CPLD_REG0_ADDR); + printf("SW2 status: "); + for (i=0; i<4; i++) /* 4-position */ + printf("%d:%s ", i, stat & (0x08 >> i)?"on":"off"); + printf("\n"); + return 0; +} + +U_BOOT_CMD ( + sw2_stat, 1, 1, do_sw_stat, + "sw2_stat - show status of switch 2\n", + NULL + ); + +static int do_led_ctl(cmd_tbl_t* cmd_tp, int flags, int argc, char *argv[]) +{ + int led_no; + + if (argc != 3) { + printf("%s", cmd_tp->usage); + return -1; + } + + led_no = simple_strtoul(argv[1], NULL, 16); + if (led_no != 1 && led_no != 2) { + printf("%s", cmd_tp->usage); + return -1; + } + + if (strcmp(argv[2],"off") == 0x0) { + if (led_no == 1) + gpio_write_bit(30, 1); + else + gpio_write_bit(31, 1); + } else if (strcmp(argv[2],"on") == 0x0) { + if (led_no == 1) + gpio_write_bit(30, 0); + else + gpio_write_bit(31, 0); + } else { + printf("%s", cmd_tp->usage); + return -1; + } + + return 0; +} + +U_BOOT_CMD ( + led_ctl, 3, 1, do_led_ctl, + "led_ctl - make led 1 or 2 on or off\n", + "<led_no> <on/off> - make led <led_no> on/off,\n" + "\tled_no is 1 or 2\t" + ); + +#define SPI_CS_GPIO0 0 +#define SPI_SCLK_GPIO14 14 +#define SPI_DIN_GPIO15 15 +#define SPI_DOUT_GPIO16 16 + +void spi_scl(int bit) +{ + gpio_write_bit(SPI_SCLK_GPIO14, bit); +} + +void spi_sda(int bit) +{ + gpio_write_bit(SPI_DOUT_GPIO16, bit); +} + +unsigned char spi_read(void) +{ + return (unsigned char)gpio_read_out_bit(SPI_DIN_GPIO15); +} + +void taihu_spi_chipsel(int cs) +{ + gpio_write_bit(SPI_CS_GPIO0, cs); +} + +spi_chipsel_type spi_chipsel[]= { + taihu_spi_chipsel +}; + +int spi_chipsel_cnt = sizeof(spi_chipsel) / sizeof(spi_chipsel[0]); + +#ifdef CONFIG_PCI +static unsigned char int_lines[32] = { + 29, 30, 27, 28, 29, 30, 25, 27, + 29, 30, 27, 28, 29, 30, 27, 28, + 29, 30, 27, 28, 29, 30, 27, 28, + 29, 30, 27, 28, 29, 30, 27, 28}; + +static void taihu_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ + unsigned char int_line = int_lines[PCI_DEV(dev) & 31]; + + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); +} + +int pci_pre_init(struct pci_controller *hose) +{ + hose->fixup_irq = taihu_pci_fixup_irq; + return 1; +} +#endif /* CONFIG_PCI */ + +#ifdef CFG_DRAM_TEST +int testdram(void) +{ + unsigned long *mem = (unsigned long *)0; + const unsigned long kend = (1024 / sizeof(unsigned long)); + unsigned long k, n; + unsigned long msr; + unsigned long total_kbytes = CFG_SDRAM_SIZE_PER_BANK * CFG_SDRAM_BANKS / 1024; + + msr = mfmsr(); + mtmsr(msr & ~(MSR_EE)); + + for (k = 0; k < total_kbytes ; + ++k, mem += (1024 / sizeof(unsigned long))) { + if ((k & 1023) == 0) + printf("%3d MB\r", k / 1024); + + memset(mem, 0xaaaaaaaa, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0xaaaaaaaa) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + + memset(mem, 0x55555555, 1024); + for (n = 0; n < kend; ++n) { + if (mem[n] != 0x55555555) { + printf("SDRAM test fails at: %08x\n", + (uint) & mem[n]); + return 1; + } + } + } + printf("SDRAM test passes\n"); + mtmsr(msr); + + return 0; +} +#endif /* CFG_DRAM_TEST */ diff --git a/board/amcc/taihu/u-boot.lds b/board/amcc/taihu/u-boot.lds new file mode 100644 index 0000000..be03092 --- /dev/null +++ b/board/amcc/taihu/u-boot.lds @@ -0,0 +1,150 @@ +/* + * (C) Copyright 2000 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFFFFFFC : + { + *(.resetvec) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/ppc4xx/start.o (.text) + cpu/ppc4xx/kgdb.o (.text) + cpu/ppc4xx/traps.o (.text) + cpu/ppc4xx/interrupts.o (.text) + cpu/ppc4xx/serial.o (.text) + cpu/ppc4xx/cpu_init.o (.text) + cpu/ppc4xx/speed.o (.text) + common/dlmalloc.o (.text) + lib_generic/crc32.o (.text) + lib_ppc/extable.o (.text) + lib_generic/zlib.o (.text) + +/* . = env_offset;*/ +/* common/environment.o(.text)*/ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + *(.eh_frame) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = .; + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/board/amcc/taihu/update.c b/board/amcc/taihu/update.c new file mode 100644 index 0000000..55ad535 --- /dev/null +++ b/board/amcc/taihu/update.c @@ -0,0 +1,132 @@ +/* + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <common.h> +#include <command.h> +#include <asm/processor.h> +#include <i2c.h> + +#define PCI_M66EN 0x10 + +static uchar buf_33[] = +{ + 0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/ + 0x80, /* 0x01~0x03:ptm1ms =0x80000001 */ + 0x00, + 0x00, + 0x00, /* 0x04~0x06:ptm1la = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */ + 0x00, + 0x00, + 0x10, /* 0x0d~0x0e:vendor id 0x1014*/ + 0x14, + 0x00, /* 0x0f~0x10:device id 0x0000*/ + 0x00, + 0x00, /* 0x11:revision 0x00 */ + 0x00, /* 0x12~0x14:class 0x000000 */ + 0x00, + 0x00, + 0x10, /* 0x15~0x16:subsystem vendor id */ + 0xe8, + 0x00, /* 0x17~0x18:subsystem device id */ + 0x00, + 0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */ + 0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */ + 0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */ + 0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */ + 0xbe, /* 0x1d: tun[24-31]=0xbe */ + 0x00, + 0x00 +}; + +static uchar buf_66[] = +{ + 0xb5, /* 0x00:hce =1, bss = 0, pae=1, ppdv= 0b10,spe = 1,ebw=0b01*/ + 0x80, /* 0x01~0x03:ptm1ms =0x80000001 */ + 0x00, + 0x00, + 0x00, /* 0x04~0x06:ptm1la = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x07~0x09:ptm2ma = 0x00000000 */ + 0x00, + 0x00, + 0x00, /* 0x0a~0x0c:ptm2la = 0x00000000 */ + 0x00, + 0x00, + 0x10, /* 0x0d~0x0e:vendor id 0x1014*/ + 0x14, + 0x00, /* 0x0f~0x10:device id 0x0000*/ + 0x00, + 0x00, /* 0x11:revision 0x00 */ + 0x00, /* 0x12~0x14:class 0x000000 */ + 0x00, + 0x00, + 0x10, /* 0x15~0x16:subsystem vendor id */ + 0xe8, + 0x00, /* 0x17~0x18:subsystem device id */ + 0x00, + 0x61, /* 0x19: opdv=0b01,cbdv=0b10,ccdv=0b00,ptm2ms_ena=0, ptm1ms_ena=1 */ + 0x68, /* 0x1a: rpci=1,fbmul=0b1010,epdv=0b00 */ + 0x2d, /* 0x1b: fwdvb=0b101,fwdva=0b101 */ + 0x82, /* 0x1c: pllr=1,sscs=0,mpdv=0b00,tun[22-23]=0b10 */ + 0xbe, /* 0x1d: tun[24-31]=0xbe */ + 0x00, + 0x00 +}; + +static int update_boot_eeprom(cmd_tbl_t* cmdtp, int flag, int argc, char *argv[]) +{ + ulong len = 0x20; + uchar chip = CFG_I2C_EEPROM_ADDR; + uchar *pbuf; + uchar base; + int i; + + if ((*(volatile char*)CPLD_REG0_ADDR & PCI_M66EN) != PCI_M66EN) { + pbuf = buf_33; + base = 0x00; + } else { + pbuf = buf_66; + base = 0x40; + } + + for (i = 0; i< len; i++, base++) { + if (i2c_write(chip, base, 1, &pbuf[i],1)!= 0) { + printf("i2c_write fail\n"); + return 1; + } + udelay(11000); + } + + return 0; +} + +U_BOOT_CMD ( + update_boot_eeprom, 1, 1, update_boot_eeprom, + "update_boot_eeprom - update boot eeprom content\n", + NULL + ); diff --git a/board/amcc/yucca/yucca.c b/board/amcc/yucca/yucca.c index 7316c34..d08fcf3 100644 --- a/board/amcc/yucca/yucca.c +++ b/board/amcc/yucca/yucca.c @@ -562,6 +562,40 @@ int checkboard (void) return 0; } +/* + * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with + * board specific values. + */ +static int ppc440spe_rev_a(void) +{ + if ((get_pvr() == PVR_440SPe_6_RA) || (get_pvr() == PVR_440SPe_RA)) + return 1; + else + return 0; +} + +u32 ddr_wrdtr(u32 default_val) { + /* + * Yucca boards with 440SPe rev. A need a slightly different setup + * for the MCIF0_WRDTR register. + */ + if (ppc440spe_rev_a()) + return (SDRAM_WRDTR_LLWP_1_CYC | SDRAM_WRDTR_WTR_270_DEG_ADV); + + return default_val; +} + +u32 ddr_clktr(u32 default_val) { + /* + * Yucca boards with 440SPe rev. A need a slightly different setup + * for the MCIF0_CLKTR register. + */ + if (ppc440spe_rev_a()) + return (SDRAM_CLKTR_CLKP_180_DEG_ADV); + + return default_val; +} + #if defined(CFG_DRAM_TEST) int testdram (void) { |