diff options
Diffstat (limited to 'board/esd/cpci750')
| -rw-r--r-- | board/esd/cpci750/Makefile | 2 | ||||
| -rw-r--r-- | board/esd/cpci750/cpci750.c | 16 | ||||
| -rw-r--r-- | board/esd/cpci750/mpsc.c | 4 | ||||
| -rw-r--r-- | board/esd/cpci750/mv_eth.c | 1 | ||||
| -rw-r--r-- | board/esd/cpci750/pci.c | 244 | ||||
| -rw-r--r-- | board/esd/cpci750/sdram_init.c | 3 | ||||
| -rw-r--r-- | board/esd/cpci750/serial.c | 7 | ||||
| -rw-r--r-- | board/esd/cpci750/strataflash.c | 763 |
8 files changed, 177 insertions, 863 deletions
diff --git a/board/esd/cpci750/Makefile b/board/esd/cpci750/Makefile index 0486729..cd38b2d 100644 --- a/board/esd/cpci750/Makefile +++ b/board/esd/cpci750/Makefile @@ -29,7 +29,7 @@ SOBJS = misc.o OBJS = $(BOARD).o serial.o ../../Marvell/common/memory.o pci.o \ mv_eth.o mpsc.o i2c.o \ - sdram_init.o strataflash.o ide.o + sdram_init.o ide.o $(LIB): .depend $(OBJS) $(SOBJS) $(AR) crv $@ $(OBJS) $(SOBJS) diff --git a/board/esd/cpci750/cpci750.c b/board/esd/cpci750/cpci750.c index e4b062b..dbed597 100644 --- a/board/esd/cpci750/cpci750.c +++ b/board/esd/cpci750/cpci750.c @@ -56,6 +56,7 @@ extern void flush_data_cache (void); extern void invalidate_l1_instruction_cache (void); +extern flash_info_t flash_info[]; /* ------------------------------------------------------------------------- */ @@ -363,6 +364,21 @@ int misc_init_r () /* disable the dcache and MMU */ dcache_lock (); #endif + if (flash_info[3].size < CFG_FLASH_INCREMENT) { + unsigned int flash_offset; + unsigned int l; + + flash_offset = CFG_FLASH_INCREMENT - flash_info[3].size; + for (l = 0; l < CFG_MAX_FLASH_SECT; l++) { + if (flash_info[3].start[l] != 0) { + flash_info[3].start[l] += flash_offset; + } + } + flash_protect (FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - 1, + &flash_info[3]); + } return 0; } diff --git a/board/esd/cpci750/mpsc.c b/board/esd/cpci750/mpsc.c index 52398b2..25c10e0 100644 --- a/board/esd/cpci750/mpsc.c +++ b/board/esd/cpci750/mpsc.c @@ -42,6 +42,8 @@ #include "../../Marvell/include/memory.h" +DECLARE_GLOBAL_DATA_PTR; + /* Define this if you wish to use the MPSC as a register based UART. * This will force the serial port to not use the SDMA engine at all. */ @@ -157,7 +159,6 @@ char mpsc_getchar_debug (void) * global variables [josh] */ int mpsc_putchar_early (char ch) { - DECLARE_GLOBAL_DATA_PTR; int mpsc = CHANNEL; int temp = GTREGREAD (GALMPSC_CHANNELREG_2 + (mpsc * GALMPSC_REG_GAP)); @@ -510,7 +511,6 @@ void mpsc_init2 (void) int galbrg_set_baudrate (int channel, int rate) { - DECLARE_GLOBAL_DATA_PTR; int clock; galbrg_disable (channel); /*ok */ diff --git a/board/esd/cpci750/mv_eth.c b/board/esd/cpci750/mv_eth.c index be176dc..bc84ef0 100644 --- a/board/esd/cpci750/mv_eth.c +++ b/board/esd/cpci750/mv_eth.c @@ -733,6 +733,7 @@ int mv64360_eth_xmit (struct eth_device *dev, volatile void *dataPtr, pkt_info.cmd_sts = ETH_TX_FIRST_DESC | ETH_TX_LAST_DESC; /* DMA owned, first last */ pkt_info.byte_cnt = dataSize; pkt_info.buf_ptr = (unsigned int) dataPtr; + pkt_info.return_info = 0; status = eth_port_send (ethernet_private, ETH_Q0, &pkt_info); if ((status == ETH_ERROR) || (status == ETH_QUEUE_FULL)) { diff --git a/board/esd/cpci750/pci.c b/board/esd/cpci750/pci.c index 3e44fb9..c335ebf 100644 --- a/board/esd/cpci750/pci.c +++ b/board/esd/cpci750/pci.c @@ -12,7 +12,7 @@ * * 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 + * 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 @@ -44,6 +44,14 @@ static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = { {0, 0, 0, 0, 0, 0, 0, 29, 29, [9 ... PCI_MAX_DEVICES - 1] = 0 }, }; +#ifdef CONFIG_USE_CPCIDVI +typedef struct { + unsigned int base; + unsigned int init; +} GT_CPCIDVI_ROM_T; + +static GT_CPCIDVI_ROM_T gt_cpcidvi_rom = {0, 0}; +#endif #ifdef DEBUG static const unsigned int pci_bus_list[] = { PCI_0_MODE, PCI_1_MODE }; @@ -125,20 +133,20 @@ static const unsigned int pci_p2p_configuration[] = { /******************************************************************** * pciWriteConfigReg - Write to a PCI configuration register -* - Make sure the GT is configured as a master before writing -* to another device on the PCI. -* - The function takes care of Big/Little endian conversion. +* - Make sure the GT is configured as a master before writing +* to another device on the PCI. +* - The function takes care of Big/Little endian conversion. * * * Inputs: unsigned int regOffset: The register offset as it apears in the GT spec -* (or any other PCI device spec) -* pciDevNum: The device number needs to be addressed. +* (or any other PCI device spec) +* pciDevNum: The device number needs to be addressed. * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|00| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * *********************************************************************/ void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset, @@ -172,20 +180,20 @@ void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset, /******************************************************************** * pciReadConfigReg - Read from a PCI0 configuration register -* - Make sure the GT is configured as a master before reading -* from another device on the PCI. -* - The function takes care of Big/Little endian conversion. +* - Make sure the GT is configured as a master before reading +* from another device on the PCI. +* - The function takes care of Big/Little endian conversion. * INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI -* spec) -* pciDevNum: The device number needs to be addressed. +* spec) +* pciDevNum: The device number needs to be addressed. * RETURNS: data , if the data == 0xffffffff check the master abort bit in the -* cause register to make sure the data is valid +* cause register to make sure the data is valid * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|00| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * *********************************************************************/ unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset, @@ -220,21 +228,21 @@ unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset, /******************************************************************** * pciOverBridgeWriteConfigReg - Write to a PCI configuration register where -* the agent is placed on another Bus. For more -* information read P2P in the PCI spec. +* the agent is placed on another Bus. For more +* information read P2P in the PCI spec. * * Inputs: unsigned int regOffset - The register offset as it apears in the -* GT spec (or any other PCI device spec). -* unsigned int pciDevNum - The device number needs to be addressed. -* unsigned int busNum - On which bus does the Target agent connect -* to. -* unsigned int data - data to be written. +* GT spec (or any other PCI device spec). +* unsigned int pciDevNum - The device number needs to be addressed. +* unsigned int busNum - On which bus does the Target agent connect +* to. +* unsigned int data - data to be written. * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|01| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * * The configuration Address is configure as type-I (bits[1:0] = '01') due to * PCI spec referring to P2P. @@ -265,23 +273,23 @@ void pciOverBridgeWriteConfigReg (PCI_HOST host, /******************************************************************** * pciOverBridgeReadConfigReg - Read from a PCIn configuration register where -* the agent target locate on another PCI bus. -* - Make sure the GT is configured as a master -* before reading from another device on the PCI. -* - The function takes care of Big/Little endian -* conversion. +* the agent target locate on another PCI bus. +* - Make sure the GT is configured as a master +* before reading from another device on the PCI. +* - The function takes care of Big/Little endian +* conversion. * INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI -* spec). (configuration register offset.) -* pciDevNum: The device number needs to be addressed. -* busNum: the Bus number where the agent is place. +* spec). (configuration register offset.) +* pciDevNum: The device number needs to be addressed. +* busNum: the Bus number where the agent is place. * RETURNS: data , if the data == 0xffffffff check the master abort bit in the -* cause register to make sure the data is valid +* cause register to make sure the data is valid * * Configuration Address 0xCF8: * -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number +* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number * |congif|Reserved| Bus |Device|Function|Register|01| -* |Enable| |Number|Number| Number | Number | | <=field Name +* |Enable| |Number|Number| Number | Number | | <=field Name * *********************************************************************/ unsigned int pciOverBridgeReadConfigReg (PCI_HOST host, @@ -385,7 +393,7 @@ static unsigned int pciGetRemapOffset (PCI_HOST host, PCI_REGION region) /******************************************************************** * pciGetBaseAddress - Gets the base address of a PCI. -* - If the PCI size is 0 then this base address has no meaning!!! +* - If the PCI size is 0 then this base address has no meaning!!! * * * INPUT: Bus, Region - The bus and region we ask for its base address. @@ -493,13 +501,13 @@ void pciMapMemoryBank (PCI_HOST host, MEMORY_BANK bank, /******************************************************************** * pciSetRegionFeatures - This function modifys one of the 8 regions with -* feature bits given as an input. -* - Be advised to check the spec before modifying them. +* feature bits given as an input. +* - Be advised to check the spec before modifying them. * Inputs: PCI_PROTECT_REGION region - one of the eight regions. -* unsigned int features - See file: pci.h there are defintion for those -* region features. -* unsigned int baseAddress - The region base Address. -* unsigned int topAddress - The region top Address. +* unsigned int features - See file: pci.h there are defintion for those +* region features. +* unsigned int baseAddress - The region base Address. +* unsigned int topAddress - The region top Address. * Returns: false if one of the parameters is erroneous true otherwise. *********************************************************************/ bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region, @@ -533,7 +541,7 @@ bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region, /******************************************************************** * pciDisableAccessRegion - Disable The given Region by writing MAX size -* to its low Address and MIN size to its high Address. +* to its low Address and MIN size to its high Address. * * Inputs: PCI_ACCESS_REGIONS region - The region we to be Disabled. * Returns: N/A. @@ -580,12 +588,12 @@ bool pciArbiterDisable (PCI_HOST host) * pciSetArbiterAgentsPriority - Priority setup for the PCI agents (Hi or Low) * * Inputs: PCI_AGENT_PRIO internalAgent - priotity for internal agent. -* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent. -* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent. -* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent. -* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent. -* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent. -* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent. +* PCI_AGENT_PRIO externalAgent0 - priotity for external#0 agent. +* PCI_AGENT_PRIO externalAgent1 - priotity for external#1 agent. +* PCI_AGENT_PRIO externalAgent2 - priotity for external#2 agent. +* PCI_AGENT_PRIO externalAgent3 - priotity for external#3 agent. +* PCI_AGENT_PRIO externalAgent4 - priotity for external#4 agent. +* PCI_AGENT_PRIO externalAgent5 - priotity for external#5 agent. * Returns: true *********************************************************************/ bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent, @@ -611,17 +619,17 @@ bool pciSetArbiterAgentsPriority (PCI_HOST host, PCI_AGENT_PRIO internalAgent, /******************************************************************** * pciParkingDisable - Park on last option disable, with this function you can -* disable the park on last mechanism for each agent. -* disabling this option for all agents results parking -* on the internal master. +* disable the park on last mechanism for each agent. +* disabling this option for all agents results parking +* on the internal master. * * Inputs: PCI_AGENT_PARK internalAgent - parking Disable for internal agent. -* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent. -* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent. -* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent. -* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent. -* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent. -* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent. +* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent. +* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent. +* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent. +* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent. +* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent. +* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent. * Returns: true *********************************************************************/ bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent, @@ -647,11 +655,11 @@ bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent, /******************************************************************** * pciEnableBrokenAgentDetection - A master is said to be broken if it fails to -* respond to grant assertion within a window specified in -* the input value: 'brokenValue'. +* respond to grant assertion within a window specified in +* the input value: 'brokenValue'. * * Inputs: unsigned char brokenValue - A value which limits the Master to hold the -* grant without asserting frame. +* grant without asserting frame. * Returns: Error for illegal broken value otherwise true. *********************************************************************/ bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue) @@ -670,9 +678,9 @@ bool pciEnableBrokenAgentDetection (PCI_HOST host, unsigned char brokenValue) /******************************************************************** * pciDisableBrokenAgentDetection - This function disable the Broken agent -* Detection mechanism. -* NOTE: This operation may cause a dead lock on the -* pci0 arbitration. +* Detection mechanism. +* NOTE: This operation may cause a dead lock on the +* pci0 arbitration. * * Inputs: N/A * Returns: true. @@ -689,15 +697,15 @@ bool pciDisableBrokenAgentDetection (PCI_HOST host) /******************************************************************** * pciP2PConfig - This function set the PCI_n P2P configurate. -* For more information on the P2P read PCI spec. +* For more information on the P2P read PCI spec. * * Inputs: unsigned int SecondBusLow - Secondery PCI interface Bus Range Lower -* Boundry. -* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper -* Boundry. -* unsigned int busNum - The CPI bus number to which the PCI interface -* is connected. -* unsigned int devNum - The PCI interface's device number. +* Boundry. +* unsigned int SecondBusHigh - Secondry PCI interface Bus Range upper +* Boundry. +* unsigned int busNum - The CPI bus number to which the PCI interface +* is connected. +* unsigned int devNum - The PCI interface's device number. * * Returns: true. *********************************************************************/ @@ -715,15 +723,15 @@ bool pciP2PConfig (PCI_HOST host, unsigned int SecondBusLow, /******************************************************************** * pciSetRegionSnoopMode - This function modifys one of the 4 regions which -* supports Cache Coherency in the PCI_n interface. +* supports Cache Coherency in the PCI_n interface. * Inputs: region - One of the four regions. -* snoopType - There is four optional Types: -* 1. No Snoop. -* 2. Snoop to WT region. -* 3. Snoop to WB region. -* 4. Snoop & Invalidate to WB region. -* baseAddress - Base Address of this region. -* regionLength - Region length. +* snoopType - There is four optional Types: +* 1. No Snoop. +* 2. Snoop to WT region. +* 3. Snoop to WB region. +* 4. Snoop & Invalidate to WB region. +* baseAddress - Base Address of this region. +* regionLength - Region length. * Returns: false if one of the parameters is wrong otherwise return true. *********************************************************************/ bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region, @@ -746,7 +754,7 @@ bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region, GT_REG_WRITE (snoopXtopAddress, 0); return true; } - baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */ + baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */ data = (baseAddress >> 20) | snoopType << 12; GT_REG_WRITE (snoopXbaseAddress, data); snoopHigh = (snoopHigh & 0xfff00000) >> 20; @@ -800,23 +808,65 @@ static void gt_setup_ide (struct pci_controller *hose, unsigned int offset = (bar < 2) ? bar * 8 : 0x100 + (bar - 2) * 8; - pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + offset, - 0x0); - pci_read_config_dword (dev, PCI_BASE_ADDRESS_0 + offset, - &bar_response); + pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0 + offset, + 0x0); + pci_hose_read_config_dword (hose, dev, PCI_BASE_ADDRESS_0 + offset, + &bar_response); pciauto_region_allocate (bar_response & PCI_BASE_ADDRESS_SPACE_IO ? hose-> pci_io : hose->pci_mem, ide_bar[bar], &bar_value); - pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + bar * 4, - bar_value); + pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0 + bar * 4, + bar_value); } } +#ifdef CONFIG_USE_CPCIDVI +static void gt_setup_cpcidvi (struct pci_controller *hose, + pci_dev_t dev, struct pci_config_table *entry) +{ + u32 bar_value, pci_response; + + pci_hose_read_config_dword (hose, dev, PCI_COMMAND, &pci_response); + pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0, 0xffffffff); + pci_hose_read_config_dword (hose, dev, PCI_BASE_ADDRESS_0, &pci_response); + pciauto_region_allocate (hose->pci_mem, 0x01000000, &bar_value); + pci_hose_write_config_dword (hose, dev, PCI_BASE_ADDRESS_0, (bar_value & 0xffffff00)); + pci_hose_write_config_dword (hose, dev, PCI_ROM_ADDRESS, 0x0); + pciauto_region_allocate (hose->pci_mem, 0x40000, &bar_value); + pci_hose_write_config_dword (hose, dev, PCI_ROM_ADDRESS, (bar_value & 0xffffff00) | 0x01); + gt_cpcidvi_rom.base = bar_value & 0xffffff00; + gt_cpcidvi_rom.init = 1; +} + +unsigned char gt_cpcidvi_in8(unsigned int offset) +{ + unsigned char data; + + if (gt_cpcidvi_rom.init == 0) { + return(0); + } + data = in8((offset & 0x04) + 0x3f000 + gt_cpcidvi_rom.base); + return(data); +} + +void gt_cpcidvi_out8(unsigned int offset, unsigned char data) +{ + unsigned int off; -/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */ + if (gt_cpcidvi_rom.init == 0) { + return; + } + off = data; + off = ((off << 3) & 0x7f8) + (offset & 0x4) + 0x3e000 + gt_cpcidvi_rom.base; + in8(off); + return; +} +#endif + +/* TODO BJW: Change this for DB64360. This was pulled from the EV64260 */ /* and is curently not called *. */ #if 0 static void gt_fixup_irq (struct pci_controller *hose, pci_dev_t dev) @@ -835,9 +885,12 @@ static void gt_fixup_irq (struct pci_controller *hose, pci_dev_t dev) #endif struct pci_config_table gt_config_table[] = { +#ifdef CONFIG_USE_CPCIDVI + {PCI_VENDOR_ID_CT, PCI_DEVICE_ID_CT_69030, PCI_CLASS_DISPLAY_VGA, + PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, gt_setup_cpcidvi}, +#endif {PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, gt_setup_ide}, - {} }; @@ -857,10 +910,21 @@ void pci_init_board (void) #ifdef CONFIG_PCI_PNP unsigned int bar; #endif - #ifdef DEBUG gt_pci_bus_mode_display (PCI_HOST0); #endif +#ifdef CONFIG_USE_CPCIDVI + gt_cpcidvi_rom.init = 0; + gt_cpcidvi_rom.base = 0; +#endif + + pci0_hose.config_table = gt_config_table; + pci1_hose.config_table = gt_config_table; + +#ifdef CONFIG_USE_CPCIDVI + gt_config_table[0].config_device = gt_setup_cpcidvi; +#endif + gt_config_table[1].config_device = gt_setup_ide; pci0_hose.first_busno = 0; pci0_hose.last_busno = 0xff; diff --git a/board/esd/cpci750/sdram_init.c b/board/esd/cpci750/sdram_init.c index db545ef..6bdfc1d 100644 --- a/board/esd/cpci750/sdram_init.c +++ b/board/esd/cpci750/sdram_init.c @@ -45,6 +45,7 @@ #include "64360.h" #include "mv_regs.h" +DECLARE_GLOBAL_DATA_PTR; #undef DEBUG /* #define DEBUG */ @@ -250,8 +251,6 @@ NSto10PS(unsigned char spd_byte) /* static int check_dimm(uchar slot, AUX_MEM_DIMM_INFO *info) */ static int check_dimm (uchar slot, AUX_MEM_DIMM_INFO * dimmInfo) { - DECLARE_GLOBAL_DATA_PTR; - unsigned long spd_checksum; uchar addr = slot == 0 ? DIMM0_I2C_ADDR : DIMM1_I2C_ADDR; diff --git a/board/esd/cpci750/serial.c b/board/esd/cpci750/serial.c index 44de052..ba32ac1 100644 --- a/board/esd/cpci750/serial.c +++ b/board/esd/cpci750/serial.c @@ -38,13 +38,12 @@ #include "../../Marvell/include/memory.h" #include "serial.h" - #include "mpsc.h" +DECLARE_GLOBAL_DATA_PTR; + int serial_init (void) { - DECLARE_GLOBAL_DATA_PTR; - mpsc_init (gd->baudrate); return (0); @@ -70,8 +69,6 @@ int serial_tstc (void) void serial_setbrg (void) { - DECLARE_GLOBAL_DATA_PTR; - galbrg_set_baudrate (CONFIG_MPSC_PORT, gd->baudrate); } diff --git a/board/esd/cpci750/strataflash.c b/board/esd/cpci750/strataflash.c deleted file mode 100644 index c22fe5d..0000000 --- a/board/esd/cpci750/strataflash.c +++ /dev/null @@ -1,763 +0,0 @@ -/* - * (C) Copyright 2002 - * Brad Kemp, Seranoa Networks, Brad.Kemp@seranoa.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 <asm/processor.h> -#include <asm/cache.h> - -#undef DEBUG_FLASH -/* - * This file implements a Common Flash Interface (CFI) driver for U-Boot. - * The width of the port and the width of the chips are determined at initialization. - * These widths are used to calculate the address for access CFI data structures. - * It has been tested on an Intel Strataflash implementation. - * - * References - * JEDEC Standard JESD68 - Common Flash Interface (CFI) - * JEDEC Standard JEP137-A Common Flash Interface (CFI) ID Codes - * Intel Application Note 646 Common Flash Interface (CFI) and Command Sets - * Intel 290667-008 3 Volt Intel StrataFlash Memory datasheet - * - * TODO - * Use Primary Extended Query table (PRI) and Alternate Algorithm Query Table (ALT) to determine if protection is available - * Add support for other command sets Use the PRI and ALT to determine command set - * Verify erase and program timeouts. - */ - -#define FLASH_CMD_CFI 0x98 -#define FLASH_CMD_READ_ID 0x90 -#define FLASH_CMD_RESET 0xff -#define FLASH_CMD_BLOCK_ERASE 0x20 -#define FLASH_CMD_ERASE_CONFIRM 0xD0 -#define FLASH_CMD_WRITE 0x40 -#define FLASH_CMD_PROTECT 0x60 -#define FLASH_CMD_PROTECT_SET 0x01 -#define FLASH_CMD_PROTECT_CLEAR 0xD0 -#define FLASH_CMD_CLEAR_STATUS 0x50 -#define FLASH_CMD_WRITE_TO_BUFFER 0xE8 -#define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0 - -#define FLASH_STATUS_DONE 0x80 -#define FLASH_STATUS_ESS 0x40 -#define FLASH_STATUS_ECLBS 0x20 -#define FLASH_STATUS_PSLBS 0x10 -#define FLASH_STATUS_VPENS 0x08 -#define FLASH_STATUS_PSS 0x04 -#define FLASH_STATUS_DPS 0x02 -#define FLASH_STATUS_R 0x01 -#define FLASH_STATUS_PROTECT 0x01 - -#define FLASH_OFFSET_CFI 0x55 -#define FLASH_OFFSET_CFI_RESP 0x10 -#define FLASH_OFFSET_WTOUT 0x1F -#define FLASH_OFFSET_WBTOUT 0x20 -#define FLASH_OFFSET_ETOUT 0x21 -#define FLASH_OFFSET_CETOUT 0x22 -#define FLASH_OFFSET_WMAX_TOUT 0x23 -#define FLASH_OFFSET_WBMAX_TOUT 0x24 -#define FLASH_OFFSET_EMAX_TOUT 0x25 -#define FLASH_OFFSET_CEMAX_TOUT 0x26 -#define FLASH_OFFSET_SIZE 0x27 -#define FLASH_OFFSET_INTERFACE 0x28 -#define FLASH_OFFSET_BUFFER_SIZE 0x2A -#define FLASH_OFFSET_NUM_ERASE_REGIONS 0x2C -#define FLASH_OFFSET_ERASE_REGIONS 0x2D -#define FLASH_OFFSET_PROTECT 0x02 -#define FLASH_OFFSET_USER_PROTECTION 0x85 -#define FLASH_OFFSET_INTEL_PROTECTION 0x81 - - -#define FLASH_MAN_CFI 0x01000000 - - -typedef union { - unsigned char c; - unsigned short w; - unsigned long l; -} cfiword_t; - -typedef union { - unsigned char * cp; - unsigned short *wp; - unsigned long *lp; -} cfiptr_t; - -#define NUM_ERASE_REGIONS 4 - -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ - - -/*----------------------------------------------------------------------- - * Functions - */ - - -static void flash_add_byte(flash_info_t *info, cfiword_t * cword, uchar c); -static void flash_make_cmd(flash_info_t * info, uchar cmd, void * cmdbuf); -static void flash_write_cmd(flash_info_t * info, int sect, uchar offset, uchar cmd); -static int flash_isequal(flash_info_t * info, int sect, uchar offset, uchar cmd); -static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd); -static int flash_detect_cfi(flash_info_t * info); -static ulong flash_get_size (ulong base, int banknum); -static int flash_write_cfiword (flash_info_t *info, ulong dest, cfiword_t cword); -static int flash_full_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt); -#ifdef CFG_FLASH_USE_BUFFER_WRITE -static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp, int len); -#endif -/*----------------------------------------------------------------------- - * create an address based on the offset and the port width - */ -inline uchar * flash_make_addr(flash_info_t * info, int sect, int offset) -{ - return ((uchar *)(info->start[sect] + (offset * info->portwidth))); -} -/*----------------------------------------------------------------------- - * read a character at a port width address - */ -inline uchar flash_read_uchar(flash_info_t * info, uchar offset) -{ - uchar *cp; - cp = flash_make_addr(info, 0, offset); - return (cp[info->portwidth - 1]); -} - -/*----------------------------------------------------------------------- - * read a short word by swapping for ppc format. - */ -ushort flash_read_ushort(flash_info_t * info, int sect, uchar offset) -{ - uchar * addr; - - addr = flash_make_addr(info, sect, offset); - return ((addr[(2*info->portwidth) - 1] << 8) | addr[info->portwidth - 1]); - -} - -/*----------------------------------------------------------------------- - * read a long word by picking the least significant byte of each maiximum - * port size word. Swap for ppc format. - */ -ulong flash_read_long(flash_info_t * info, int sect, uchar offset) -{ - uchar * addr; - - addr = flash_make_addr(info, sect, offset); - return ( (addr[(2*info->portwidth) - 1] << 24 ) | (addr[(info->portwidth) -1] << 16) | - (addr[(4*info->portwidth) - 1] << 8) | addr[(3*info->portwidth) - 1]); - -} - -/*----------------------------------------------------------------------- - */ -unsigned long flash_init (void) -{ - unsigned long size; - int i; - unsigned long address; - - - /* The flash is positioned back to back, with the demultiplexing of the chip - * based on the A24 address line. - * - */ - - address = CFG_FLASH_BASE; - size = 0; - - /* Init: no FLASHes known */ - for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - size += flash_info[i].size = flash_get_size(address, i); - address += CFG_FLASH_INCREMENT; - if (flash_info[i].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",i, - flash_info[0].size, flash_info[i].size<<20); - } - } - -#if 0 /* test-only */ - /* Monitor protection ON by default */ -#if (CFG_MONITOR_BASE >= CFG_FLASH_BASE) - for(i=0; flash_info[0].start[i] < CFG_MONITOR_BASE+monitor_flash_len-1; i++) - (void)flash_real_protect(&flash_info[0], i, 1); -#endif -#endif - - return (size); -} - -/*----------------------------------------------------------------------- - */ -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - int rcode = 0; - int prot; - int sect; - - if( info->flash_id != FLASH_MAN_CFI) { - printf ("Can't erase unknown flash type - aborted\n"); - return 1; - } - if ((s_first < 0) || (s_first > s_last)) { - printf ("- no sectors to erase\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"); - } - - - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - flash_write_cmd(info, sect, 0, FLASH_CMD_CLEAR_STATUS); - flash_write_cmd(info, sect, 0, FLASH_CMD_BLOCK_ERASE); - flash_write_cmd(info, sect, 0, FLASH_CMD_ERASE_CONFIRM); - - if(flash_full_status_check(info, sect, info->erase_blk_tout, "erase")) { - rcode = 1; - } else - printf("."); - } - } - printf (" done\n"); - return rcode; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id != FLASH_MAN_CFI) { - printf ("missing or unknown FLASH type\n"); - return; - } - - printf("CFI conformant FLASH (%d x %d)", - (info->portwidth << 3 ), (info->chipwidth << 3 )); - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - printf(" Erase timeout %ld ms, write timeout %ld ms, buffer write timeout %ld ms, buffer size %d\n", - info->erase_blk_tout, info->write_tout, info->buffer_write_tout, info->buffer_size); - - printf (" Sector Start Addresses:"); - for (i=0; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n"); - printf (" %08lX%5s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; -} - -/*----------------------------------------------------------------------- - * 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 wp; - ulong cp; - int aln; - cfiword_t cword; - int i, rc; - - /* get lower aligned address */ - wp = (addr & ~(info->portwidth - 1)); - - /* handle unaligned start */ - if((aln = addr - wp) != 0) { - cword.l = 0; - cp = wp; - for(i=0;i<aln; ++i, ++cp) - flash_add_byte(info, &cword, (*(uchar *)cp)); - - for(; (i< info->portwidth) && (cnt > 0) ; i++) { - flash_add_byte(info, &cword, *src++); - cnt--; - cp++; - } - for(; (cnt == 0) && (i < info->portwidth); ++i, ++cp) - flash_add_byte(info, &cword, (*(uchar *)cp)); - if((rc = flash_write_cfiword(info, wp, cword)) != 0) - return rc; - wp = cp; - } - -#ifdef CFG_FLASH_USE_BUFFER_WRITE - while(cnt >= info->portwidth) { - i = info->buffer_size > cnt? cnt: info->buffer_size; - if((rc = flash_write_cfibuffer(info, wp, src,i)) != ERR_OK) - return rc; - wp += i; - src += i; - cnt -=i; - } -#else - /* handle the aligned part */ - while(cnt >= info->portwidth) { - cword.l = 0; - for(i = 0; i < info->portwidth; i++) { - flash_add_byte(info, &cword, *src++); - } - if((rc = flash_write_cfiword(info, wp, cword)) != 0) - return rc; - wp += info->portwidth; - cnt -= info->portwidth; - } -#endif /* CFG_FLASH_USE_BUFFER_WRITE */ - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - cword.l = 0; - for (i=0, cp=wp; (i<info->portwidth) && (cnt>0); ++i, ++cp) { - flash_add_byte(info, &cword, *src++); - --cnt; - } - for (; i<info->portwidth; ++i, ++cp) { - flash_add_byte(info, & cword, (*(uchar *)cp)); - } - - return flash_write_cfiword(info, wp, cword); -} - -/*----------------------------------------------------------------------- - */ -int flash_real_protect(flash_info_t *info, long sector, int prot) -{ - int retcode = 0; - - flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); - flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT); - if(prot) - flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET); - else - flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR); - - if((retcode = flash_full_status_check(info, sector, info->erase_blk_tout, - prot?"protect":"unprotect")) == 0) { - - info->protect[sector] = prot; - /* Intel's unprotect unprotects all locking */ - if(prot == 0) { - int i; - for(i = 0 ; i<info->sector_count; i++) { - if(info->protect[i]) - flash_real_protect(info, i, 1); - } - } - } - - return retcode; -} -/*----------------------------------------------------------------------- - * wait for XSR.7 to be set. Time out with an error if it does not. - * This routine does not set the flash to read-array mode. - */ -static int flash_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt) -{ - ulong start; - - /* Wait for command completion */ - start = get_timer (0); - while(!flash_isset(info, sector, 0, FLASH_STATUS_DONE)) { - if (get_timer(start) > info->erase_blk_tout) { - printf("Flash %s timeout at address %lx\n", prompt, info->start[sector]); - flash_write_cmd(info, sector, 0, FLASH_CMD_RESET); - return ERR_TIMOUT; - } - } - return ERR_OK; -} -/*----------------------------------------------------------------------- - * Wait for XSR.7 to be set, if it times out print an error, otherwise do a full status check. - * This routine sets the flash to read-array mode. - */ -static int flash_full_status_check(flash_info_t * info, ulong sector, ulong tout, char * prompt) -{ - int retcode; - retcode = flash_status_check(info, sector, tout, prompt); - if((retcode == ERR_OK) && !flash_isequal(info,sector, 0, FLASH_STATUS_DONE)) { - retcode = ERR_INVAL; - printf("Flash %s error at address %lx\n", prompt,info->start[sector]); - if(flash_isset(info, sector, 0, FLASH_STATUS_ECLBS | FLASH_STATUS_PSLBS)){ - printf("Command Sequence Error.\n"); - } else if(flash_isset(info, sector, 0, FLASH_STATUS_ECLBS)){ - printf("Block Erase Error.\n"); - retcode = ERR_NOT_ERASED; - } else if (flash_isset(info, sector, 0, FLASH_STATUS_PSLBS)) { - printf("Locking Error\n"); - } - if(flash_isset(info, sector, 0, FLASH_STATUS_DPS)){ - printf("Block locked.\n"); - retcode = ERR_PROTECTED; - } - if(flash_isset(info, sector, 0, FLASH_STATUS_VPENS)) - printf("Vpp Low Error.\n"); - } - flash_write_cmd(info, sector, 0, FLASH_CMD_RESET); - return retcode; -} -/*----------------------------------------------------------------------- - */ -static void flash_add_byte(flash_info_t *info, cfiword_t * cword, uchar c) -{ - switch(info->portwidth) { - case FLASH_CFI_8BIT: - cword->c = c; - break; - case FLASH_CFI_16BIT: - cword->w = (cword->w << 8) | c; - break; - case FLASH_CFI_32BIT: - cword->l = (cword->l << 8) | c; - } -} - - -/*----------------------------------------------------------------------- - * make a proper sized command based on the port and chip widths - */ -static void flash_make_cmd(flash_info_t * info, uchar cmd, void * cmdbuf) -{ - int i; - uchar *cp = (uchar *)cmdbuf; - for(i=0; i< info->portwidth; i++) - *cp++ = ((i+1) % info->chipwidth) ? '\0':cmd; -} - -/* - * Write a proper sized command to the correct address - */ -static void flash_write_cmd(flash_info_t * info, int sect, uchar offset, uchar cmd) -{ - - volatile cfiptr_t addr; - cfiword_t cword; - addr.cp = flash_make_addr(info, sect, offset); - flash_make_cmd(info, cmd, &cword); - switch(info->portwidth) { - case FLASH_CFI_8BIT: - *addr.cp = cword.c; - break; - case FLASH_CFI_16BIT: - *addr.wp = cword.w; - break; - case FLASH_CFI_32BIT: - *addr.lp = cword.l; - break; - } -} - -/*----------------------------------------------------------------------- - */ -static int flash_isequal(flash_info_t * info, int sect, uchar offset, uchar cmd) -{ - cfiptr_t cptr; - cfiword_t cword; - int retval; - cptr.cp = flash_make_addr(info, sect, offset); - flash_make_cmd(info, cmd, &cword); - switch(info->portwidth) { - case FLASH_CFI_8BIT: - retval = (cptr.cp[0] == cword.c); - break; - case FLASH_CFI_16BIT: - retval = (cptr.wp[0] == cword.w); - break; - case FLASH_CFI_32BIT: - retval = (cptr.lp[0] == cword.l); - break; - default: - retval = 0; - break; - } - return retval; -} -/*----------------------------------------------------------------------- - */ -static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd) -{ - cfiptr_t cptr; - cfiword_t cword; - int retval; - cptr.cp = flash_make_addr(info, sect, offset); - flash_make_cmd(info, cmd, &cword); - switch(info->portwidth) { - case FLASH_CFI_8BIT: - retval = ((cptr.cp[0] & cword.c) == cword.c); - break; - case FLASH_CFI_16BIT: - retval = ((cptr.wp[0] & cword.w) == cword.w); - break; - case FLASH_CFI_32BIT: - retval = ((cptr.lp[0] & cword.l) == cword.l); - break; - default: - retval = 0; - break; - } - return retval; -} - -/*----------------------------------------------------------------------- - * detect if flash is compatible with the Common Flash Interface (CFI) - * http://www.jedec.org/download/search/jesd68.pdf - * - */ -static int flash_detect_cfi(flash_info_t * info) -{ - - for(info->portwidth=FLASH_CFI_8BIT; info->portwidth <= FLASH_CFI_32BIT; - info->portwidth <<= 1) { - for(info->chipwidth =FLASH_CFI_BY8; - info->chipwidth <= info->portwidth; - info->chipwidth <<= 1) { - flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); - flash_write_cmd(info, 0, FLASH_OFFSET_CFI, FLASH_CMD_CFI); - if(flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP,'Q') && - flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1, 'R') && - flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2, 'Y')) - return 1; - } - } - return 0; -} -/* - * The following code cannot be run from FLASH! - * - */ -static ulong flash_get_size (ulong base, int banknum) -{ - flash_info_t * info = &flash_info[banknum]; - int i, j; - int sect_cnt; - unsigned long sector; - unsigned long tmp; - int size_ratio = 0; - uchar num_erase_regions; - int erase_region_size; - int erase_region_count; - - info->start[0] = base; - - invalidate_dcache_range(base, base+0x400); - - if(flash_detect_cfi(info)){ - - size_ratio = info->portwidth / info->chipwidth; - num_erase_regions = flash_read_uchar(info, FLASH_OFFSET_NUM_ERASE_REGIONS); - - sect_cnt = 0; - sector = base; - for(i = 0 ; i < num_erase_regions; i++) { - if(i > NUM_ERASE_REGIONS) { - printf("%d erase regions found, only %d used\n", - num_erase_regions, NUM_ERASE_REGIONS); - break; - } - tmp = flash_read_long(info, 0, FLASH_OFFSET_ERASE_REGIONS); - erase_region_size = (tmp & 0xffff)? ((tmp & 0xffff) * 256): 128; - tmp >>= 16; - erase_region_count = (tmp & 0xffff) +1; - for(j = 0; j< erase_region_count; j++) { - info->start[sect_cnt] = sector; - sector += (erase_region_size * size_ratio); - info->protect[sect_cnt] = flash_isset(info, sect_cnt, FLASH_OFFSET_PROTECT, FLASH_STATUS_PROTECT); - sect_cnt++; - } - } - - info->sector_count = sect_cnt; - /* multiply the size by the number of chips */ - info->size = (1 << flash_read_uchar(info, FLASH_OFFSET_SIZE)) * size_ratio; - info->buffer_size = (1 << flash_read_ushort(info, 0, FLASH_OFFSET_BUFFER_SIZE)); - tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_ETOUT); - info->erase_blk_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_EMAX_TOUT))); - tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WBTOUT); - info->buffer_write_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_WBMAX_TOUT))); - tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WTOUT); - info->write_tout = (tmp * (1 << flash_read_uchar(info, FLASH_OFFSET_WMAX_TOUT)))/ 1000; - info->flash_id = FLASH_MAN_CFI; - } - - flash_write_cmd(info, 0, 0, FLASH_CMD_RESET); -#ifdef DEBUG_FLASH - printf("portwidth=%d chipwidth=%d\n", info->portwidth, info->chipwidth); /* test-only */ -#endif -#ifdef DEBUG_FLASH - printf("found %d erase regions\n", num_erase_regions); -#endif -#ifdef DEBUG_FLASH - printf("size=%08x sectors=%08x \n", info->size, info->sector_count); -#endif - return(info->size); -} - - -/*----------------------------------------------------------------------- - */ -static int flash_write_cfiword (flash_info_t *info, ulong dest, cfiword_t cword) -{ - - cfiptr_t ctladdr; - cfiptr_t cptr; - int flag; - - ctladdr.cp = flash_make_addr(info, 0, 0); - cptr.cp = (uchar *)dest; - - - /* Check if Flash is (sufficiently) erased */ - switch(info->portwidth) { - case FLASH_CFI_8BIT: - flag = ((cptr.cp[0] & cword.c) == cword.c); - break; - case FLASH_CFI_16BIT: - flag = ((cptr.wp[0] & cword.w) == cword.w); - break; - case FLASH_CFI_32BIT: - flag = ((cptr.lp[0] & cword.l) == cword.l); - break; - default: - return 2; - } - if(!flag) - return 2; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - flash_write_cmd(info, 0, 0, FLASH_CMD_CLEAR_STATUS); - flash_write_cmd(info, 0, 0, FLASH_CMD_WRITE); - - switch(info->portwidth) { - case FLASH_CFI_8BIT: - cptr.cp[0] = cword.c; - break; - case FLASH_CFI_16BIT: - cptr.wp[0] = cword.w; - break; - case FLASH_CFI_32BIT: - cptr.lp[0] = cword.l; - break; - } - - /* re-enable interrupts if necessary */ - if(flag) - enable_interrupts(); - - return flash_full_status_check(info, 0, info->write_tout, "write"); -} - -#ifdef CFG_FLASH_USE_BUFFER_WRITE - -/* loop through the sectors from the highest address - * when the passed address is greater or equal to the sector address - * we have a match - */ -static int find_sector(flash_info_t *info, ulong addr) -{ - int sector; - for(sector = info->sector_count - 1; sector >= 0; sector--) { - if(addr >= info->start[sector]) - break; - } - return sector; -} - -static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp, int len) -{ - - int sector; - int cnt; - int retcode; - volatile cfiptr_t src; - volatile cfiptr_t dst; - - src.cp = cp; - dst.cp = (uchar *)dest; - sector = find_sector(info, dest); - flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); - flash_write_cmd(info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER); - if((retcode = flash_status_check(info, sector, info->buffer_write_tout, - "write to buffer")) == ERR_OK) { - switch(info->portwidth) { - case FLASH_CFI_8BIT: - cnt = len; - break; - case FLASH_CFI_16BIT: - cnt = len >> 1; - break; - case FLASH_CFI_32BIT: - cnt = len >> 2; - break; - default: - return ERR_INVAL; - break; - } - flash_write_cmd(info, sector, 0, (uchar)cnt-1); - while(cnt-- > 0) { - switch(info->portwidth) { - case FLASH_CFI_8BIT: - *dst.cp++ = *src.cp++; - break; - case FLASH_CFI_16BIT: - *dst.wp++ = *src.wp++; - break; - case FLASH_CFI_32BIT: - *dst.lp++ = *src.lp++; - break; - default: - return ERR_INVAL; - break; - } - } - flash_write_cmd(info, sector, 0, FLASH_CMD_WRITE_BUFFER_CONFIRM); - retcode = flash_full_status_check(info, sector, info->buffer_write_tout, - "buffer write"); - } - flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS); - return retcode; -} -#endif /* CFG_USE_FLASH_BUFFER_WRITE */ |