fc-magnetite: src/cs/drivers/drv_app/ffs/board/drv.c annotate

author	Mychaela Falconia <falcon@freecalypso.org>
date	Sun, 25 Sep 2016 22:50:11 +0000
parents
children	204d6866901b

rev	line source
0 945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 * Flash File System (ffs)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 * ffs low level flash driver
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 * $Id: drv.c 1.30.1.6.1.51.1.1.1.13.1.11 Tue, 06 Jan 2004 14:36:52 +0100 tsj $
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 *
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 #ifndef TARGET
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 #include "ffs.cfg"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 #include "ffs/ffs.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16 #include "ffs/board/drv.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 #include "ffs/board/ffstrace.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 #if (TARGET == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21 #ifdef WIN32
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22 #include "windows.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 #else //WIN32
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24 #include "sys/mman.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25 #include "unistd.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26 #endif //WIN32
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28 #include "stdio.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 #include "sys/types.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30 #include "sys/stat.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 #include "fcntl.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32 #else
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 #include "nucleus.h"
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38 // Note that all code notes and comments pertaining to single-bank flash
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39 // drivers are located in the AMD SB driver (amdsbdrv.c). Consider this as
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40 // the reference.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 * Globals
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47 #if (TARGET == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 // NOTE: This is the size in bytes of the single-bank driver code that is
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49 // copied to RAM. The only way to determine the amount of memory needed is
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50 // to look into the linker output file (.map) or the assembler output of
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51 // both amdsbdrv.obj and intelsbdrv.obj files.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52 #define FFSDRV_CODE_SIZE (0x200)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54 uint8 ffsdrv_code[FFSDRV_CODE_SIZE];
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 #endif
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 #define INTEL_UNLOCK_SLOW 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 struct dev_s dev;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61 struct ffsdrv_s ffsdrv;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 uint32 int_disable(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64 void int_enable(uint32 tmp);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 * Macros
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 #define addr2offset(address) ( (int) (address) - (int) dev.base )
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 * Generic Driver Functions
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 void ffsdrv_generic_write(void dst, const void src, uint16 size)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 uint8 *mydst = dst;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 const uint8 *mysrc = src;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 if (size > 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 if ((unsigned int) mydst & 1) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 ffsdrv_write_byte(mydst++, *mysrc++);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86 size--;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 while (size >= 2) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 ffsdrv.write_halfword((uint16 *) mydst,
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90 mysrc[0] \| (mysrc[1] << 8));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 size -= 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92 mysrc += 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 mydst += 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95 if (size == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96 ffsdrv_write_byte(mydst++, *mysrc++);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102 * AMD Single Bank Driver Functions
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105 #if (TARGET == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107 // Forward declaration of functions in file amdsbdrv.c
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108 void ffsdrv_ram_amd_sb_write_halfword(volatile uint16 *addr, uint16 value);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109 void ffsdrv_ram_amd_sb_erase(uint8 block);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111 #else // (TARGET == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113 // On PC these functions are empty
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 void ffsdrv_ram_amd_sb_write_halfword(volatile uint16 *addr, uint16 value) {}
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115 void ffsdrv_ram_amd_sb_erase(uint8 block) {}
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 #endif // (TARGET == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121 * AMD Pseudo Single Bank Driver Functions
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 // This is a pseudo single-bank flash driver. It simulates a single-bank
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125 // flash device on a dual-bank device.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127 #if (TARGET == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129 void ffsdrv_amd_pseudo_sb_write_halfword(volatile uint16 *addr, uint16 value)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131 volatile char *flash = dev.base;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 uint32 cpsr, i, x;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134 ttw(ttr(TTrDrvWrite, "wh(%x,%x)" NL, addr, value));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 if (~*addr & value) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137 ttw(ttr(TTrFatal, "wh(%x,%x->%x) fatal" NL, addr, *addr, value));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 return;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 tlw(led_on(LED_WRITE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 flash[0xAAAA] = 0xA0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 *addr = value;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149 while ((*dev.addr ^ dev.data) & 0x80)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 tlw(led_off(LED_WRITE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156 // This VERY simple way of erase suspending only works because we run under
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157 // a pre-emptive operating system, so whenever an interrupt occurs, another
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 // task takes the CPU, and at the end of the interrupt, FFS gets the CPU
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 // again.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160 void ffsdrv_amd_pseudo_sb_erase(uint8 block)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 volatile char *flash = dev.base;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163 volatile char *addr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 uint32 cpsr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 uint16 flashpoll;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 addr = block2addr(block);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 ttw(ttr(TTrDrvErase, "e(%d)" NL, block));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172 tlw(led_on(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 flash[0xAAAA] = 0x80;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 *addr = 0x30; // AMD erase sector command
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 // Wait for erase to finish.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 while ((*addr & 0x80) == 0) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 tlw(led_toggle(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 // Poll interrupts, taking interrupt mask into account.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 if (INT_REQUESTED)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 // 1. suspend erase
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 // 2. enable interrupts
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 // .. now the interrupt code executes
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190 // 3. disable interrupts
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 // 4. resume erase
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 tlw(led_on(LED_ERASE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 *addr = 0xB0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 // wait for erase suspend to finish
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 while ((*addr & 0x80) == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 tlw(led_off(LED_ERASE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203 // Other interrupts and tasks run now...
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206 tlw(led_on(LED_ERASE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 // Before resuming erase we must? check if the erase is really
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 // suspended or if it did finish
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 flashpoll = *addr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211 *addr = 0x30;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 tlw(led_off(LED_ERASE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 tlw(led_on(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 tlw(led_off(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 #else // (TARGET == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 void ffsdrv_amd_pseudo_sb_write_halfword(volatile uint16 *addr, uint16 value) {}
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 void ffsdrv_amd_pseudo_sb_erase(uint8 block) {}
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 #endif // (TARGET == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231 * AMD Dual/Multi Bank Driver Functions
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 // All erase and write operations are performed atomically (interrupts
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235 // disabled). Otherwise we cannot trust the value of dev.state and we cannot
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236 // determine exactly how many of the command words have already been
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 // written.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 // in ffs_end() when we resume an erasure that was previously suspended, how
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 // does that affect multiple tasks doing that simultaneously?
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242 void ffsdrv_amd_write_end(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 void ffsdrv_amd_erase_end(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 void ffsdrv_amd_write_halfword(volatile uint16 *addr, uint16 value)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 volatile char *flash = dev.base;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 uint32 cpsr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 tlw(led_on(LED_WRITE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 ttw(ttr(TTrDrvWrite, "wh(%x,%x)" NL, addr, value));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253 dev.addr = addr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254 dev.data = value;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 if (~*addr & value) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 ttw(ttr(TTrFatal, "wh(%x,%x->%x) fatal" NL, addr, *addr, value));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258 return;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 tlw(led_toggle(LED_WRITE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263 dev.state = DEV_WRITE;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 flash[0xAAAA] = 0xA0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 *addr = value;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 tlw(led_toggle(LED_WRITE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271 ffsdrv_amd_write_end();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 void ffsdrv_amd_write(void dst, const void src, uint16 size)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 uint8 *mydst = dst;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 const uint8 *mysrc = src;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 if (size > 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 if ((unsigned int) mydst & 1) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282 ffsdrv_write_byte(mydst++, *mysrc++);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 size--;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 while (size >= 2) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 ffsdrv_amd_write_halfword((uint16 *) mydst,
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 mysrc[0] \| (mysrc[1] << 8));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 size -= 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 mysrc += 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 mydst += 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 if (size == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 ffsdrv_write_byte(mydst++, *mysrc++);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 void ffsdrv_amd_write_end(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 while ((*dev.addr ^ dev.data) & 0x80)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 tlw(led_toggle(LED_WRITE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302 dev.state = DEV_READ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 tlw(led_off(LED_WRITE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 void ffsdrv_amd_erase(uint8 block)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 volatile char *flash = dev.base;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 uint32 cpsr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 tlw(led_on(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 ttw(ttr(TTrDrvErase, "e(%d)" NL, block));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 dev.addr = (uint16 *) block2addr(block);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 dev.state = DEV_ERASE;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 flash[0xAAAA] = 0x80;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324 *dev.addr = 0x30; // AMD erase sector command
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 ffsdrv_amd_erase_end();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 void ffsdrv_amd_erase_end(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332 while ((*dev.addr & 0x80) == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333 ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 dev.state = DEV_READ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 tlw(led_off(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340 void ffsdrv_amd_erase_suspend(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342 uint32 cpsr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 tlw(led_on(LED_ERASE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 ttw(str(TTrDrvErase, "es" NL));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 // if erase has finished then all is ok
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 if (*dev.addr & 0x80) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 ffsdrv_amd_erase_end();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 tlw(led_off(LED_ERASE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 return;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 // NOTEME: As there is no way to be absolutely certain that erase
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 // doesn't finish between last poll and the following erase suspend
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 // command, we assume that the erase suspend is safe even though the
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357 // erase IS actually already finished.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360 dev.state = DEV_ERASE_SUSPEND;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 *dev.addr = 0xB0;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 // Wait for erase suspend to finish
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 while ((*dev.addr & 0x80) == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 void ffsdrv_amd_erase_resume(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 uint32 cpsr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 ttw(str(TTrDrvErase, "er" NL));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376 // NOTEME: See note in erase_suspend()... We assume that the erase
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 // resume is safe even though the erase IS actually already finished.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 dev.state = DEV_ERASE;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380 *dev.addr = 0x30;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383 tlw(led_off(LED_ERASE_SUSPEND));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388 * SST Dual/Multi Bank Driver Functions
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391 // SST flashes use almost same command set as AMD flashes. Only the command
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 // addresses (4 more bits) and erase command data (0x50 instead of 0x30) are
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393 // different. SST flashes have no erase suspend/resume commands because they
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 // are so fast at erasing!
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 void ffsdrv_sst_write_end(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 void ffsdrv_sst_erase_end(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399 void ffsdrv_sst_write(void dst, const void src, uint16 size)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401 uint8 *mydst = dst;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 const uint8 *mysrc = src;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 if (size > 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406 if ((unsigned int) mydst & 1) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407 ffsdrv_write_byte(mydst++, *mysrc++);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 size--;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 while (size >= 2) {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 ffsdrv_amd_write_halfword((uint16 *) mydst,
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 mysrc[0] \| (mysrc[1] << 8));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413 size -= 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414 mysrc += 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 mydst += 2;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 if (size == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 ffsdrv_write_byte(mydst++, *mysrc++);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 // Note that SST flashes have smaller sectors than other flash families.
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423 // Fortunately they support erasure of several of these sectors in a logical
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 // unit called a "block".
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425 void ffsdrv_sst_erase(uint8 block)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427 volatile char *flash = dev.base;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428 uint32 cpsr;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430 tlw(led_on(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 ttw(ttr(TTrDrvErase, "e(%d)" NL, block));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433 dev.addr = (uint16 *) block2addr(block);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 cpsr = int_disable();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436 dev.state = DEV_ERASE;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439 flash[0xAAAA] = 0x80;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 flash[0xAAAA] = 0xAA; // unlock cycle 1
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 flash[0x5555] = 0x55; // unlock cycle 2
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442 *dev.addr = 0x50; // SST erase block command
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 int_enable(cpsr);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 ffsdrv_sst_erase_end();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 void ffsdrv_sst_erase_end(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 // Wait for erase end
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451 while ((*dev.addr & 0x80) == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452 ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454 dev.state = DEV_READ;
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456 tlw(led_off(LED_ERASE));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 // Erase suspend/resume commands do not exist for SST flashes, so we just
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460 // poll for the end of the erase operation...
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 void ffsdrv_sst_erase_suspend(void)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463 {
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464 ttw(str(TTrDrvErase, "es" NL));
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 ffsdrv_sst_erase_end();
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467 }
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471 * Intel Single Bank Driver Functions
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 #if (TARGET == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 // Forward declaration of functions in file intelsbdrv.c
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477 int ffsdrv_ram_intel_sb_init(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 void ffsdrv_ram_intel_sb_write_halfword(volatile uint16 *addr, uint16 value);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 void ffsdrv_ram_intel_sb_erase(uint8 block);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480 void ffsdrv_ram_intel_erase(uint8 block);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482 #else // (TARGET == 0)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 // On PC these functions are empty
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485 void ffsdrv_ram_intel_sb_write_halfword(volatile uint16 *addr, uint16 value) {}
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 void ffsdrv_ram_intel_sb_erase(uint8 block) {}
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487 void ffsdrv_ram_intel_erase(uint8 block) {}
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489 #endif // (TARGET == 1)
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 /******************************************************************************
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 * Intel Dual/Multi Bank Driver Functions
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 ******************************************************************************/
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496 void ffsdrv_intel_write_end(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 void ffsdrv_intel_erase_end(void);
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499
945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 // ffsdrv_intel_write_halfword and ffsdrv_intel_write_end is not used

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945cf7f506b2 src/cs: chipsetsw import from tcs211-fcmodem