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-rw-r--r--arch/arm/mach-netx/netx-cm.c317
1 files changed, 0 insertions, 317 deletions
diff --git a/arch/arm/mach-netx/netx-cm.c b/arch/arm/mach-netx/netx-cm.c
deleted file mode 100644
index ebf9901d19..0000000000
--- a/arch/arm/mach-netx/netx-cm.c
+++ /dev/null
@@ -1,317 +0,0 @@
-#include <common.h>
-#include <mach/netx-regs.h>
-#include <mach/netx-cm.h>
-
-#define I2C_CTRL_ENABLE (1<<0)
-#define I2C_CTRL_SPEED_25 (0<<1)
-#define I2C_CTRL_SPEED_50 (1<<1)
-#define I2C_CTRL_SPEED_100 (2<<1)
-#define I2C_CTRL_SPEED_200 (3<<1)
-#define I2C_CTRL_SPEED_400 (4<<1)
-#define I2C_CTRL_SPEED_600 (5<<1)
-#define I2C_CTRL_SPEED_800 (6<<1)
-#define I2C_CTRL_SPEED_1000 (7<<1)
-#define I2C_CTRL_SLAVEID(id) (((id) & 0x7f) << 4)
-
-#define I2C_DATA_SEND_STOP (1<<8)
-#define I2C_DATA_READ (1<<9)
-#define I2C_DATA_SEND_START (1<<10)
-#define I2C_DATA_BUSY (1<<11)
-#define I2C_DATA_EXECUTE (1<<11)
-#define I2C_DATA_RDF (1<<12)
-
-/* INS */
-#define AT88_WRITE_USER_ZONE 0xb0
-#define AT88_READ_USER_ZONE 0xb2
-#define AT88_SYSTEM_WRITE 0xb4
-#define AT88_SYSTEM_READ 0xb6
-
-/* P1 */
-#define AT88_READ_CONFIG_ZONE 0x00
-#define AT88_SET_USER_ZONE 0x03
-#define SEND_START (1<<0)
-#define SEND_STOP (1<<1)
-#define IGNORE_RDF (1<<2)
-
-#define MAX_USER_ZONE_SIZE 128
-
-/*
- * netx i2c functions
- */
-static inline void i2c_set_slaveid(uchar id)
-{
- unsigned int val;
- val = NETX_I2C_CTRL_REG;
- val &= 0xf;
- val |= I2C_CTRL_SLAVEID(id);
- NETX_I2C_CTRL_REG = val;
-}
-
-static inline uchar i2c_read_byte(int flags)
-{
- unsigned int val = I2C_DATA_EXECUTE | I2C_DATA_READ;
-
- if(flags & SEND_START)
- val |= I2C_DATA_SEND_START;
- if(flags & SEND_STOP)
- val |= I2C_DATA_SEND_STOP;
-
- NETX_I2C_DATA_REG = val;
-
- while(NETX_I2C_DATA_REG & I2C_DATA_BUSY);
-
- return NETX_I2C_DATA_REG & 0xff;
-}
-
-static inline void i2c_write_byte(uchar byte, int flags)
-{
- unsigned int val = byte;
-
- if(flags & SEND_START)
- val |= I2C_DATA_SEND_START;
- if(flags & SEND_STOP)
- val |= I2C_DATA_SEND_STOP;
- val |= I2C_DATA_EXECUTE;
-
- NETX_I2C_DATA_REG = val;
-
- while(NETX_I2C_DATA_REG & I2C_DATA_BUSY);
-}
-
-void i2c_init (int speed)
-{
- unsigned int val;
-
- switch(speed) {
- case 25000:
- val = I2C_CTRL_SPEED_25;
- break;
- case 50000:
- val = I2C_CTRL_SPEED_50;
- break;
- case 100000:
- val = I2C_CTRL_SPEED_100;
- break;
- case 200000:
- val = I2C_CTRL_SPEED_200;
- break;
- case 400000:
- val = I2C_CTRL_SPEED_400;
- break;
- case 600000:
- val = I2C_CTRL_SPEED_600;
- break;
- case 800000:
- val = I2C_CTRL_SPEED_800;
- break;
- case 1000000:
- val = I2C_CTRL_SPEED_1000;
- break;
- default:
- printf("unsupported speed %d. defaulting to 100kHz\n",speed);
- val = I2C_CTRL_SPEED_100;
- break;
- }
-
- NETX_I2C_CTRL_REG = val | I2C_CTRL_ENABLE;
-
- i2c_write_byte(0xff, 0);
-
- udelay(2000);
-}
-
-/*
- * at88SCxxxx CryptoMemory functions
- */
-struct at88_parm {
- char *name;
- int zones;
- int zone_size;
- uchar atr[8];
-};
-
-struct at88_parm at88_parm_table[] = {
- { .name = "at88sc0104c", .zones = 4, .zone_size = 32, .atr = { 0x3b, 0xb2, 0x11, 0x00, 0x10, 0x80, 0x00, 0x01 } },
- { .name = "at88sc0204c", .zones = 4, .zone_size = 64, .atr = { 0x3b, 0xb2, 0x11, 0x00, 0x10, 0x80, 0x00, 0x02 } },
- { .name = "at88sc0404c", .zones = 4, .zone_size = 128, .atr = { 0x3b, 0xb2, 0x11, 0x00, 0x10, 0x80, 0x00, 0x04 } },
- { .name = "at88sc0808c", .zones = 8, .zone_size = 128, .atr = { 0x3b, 0xb2, 0x11, 0x00, 0x10, 0x80, 0x00, 0x08 } },
- { .name = "at88sc1616c", .zones = 16, .zone_size = 128, .atr = { 0x3b, 0xb2, 0x11, 0x00, 0x10, 0x80, 0x00, 0x16 } },
-};
-#define parm_size (sizeof(at88_parm_table) / sizeof(struct at88_parm))
-
-struct at88_parm *at88_parm = NULL;
-
-int set_user_zone(uchar zone)
-{
- if(zone >= at88_parm->zones)
- return -1;
-
- i2c_set_slaveid(AT88_SYSTEM_WRITE >> 1);
- i2c_write_byte(AT88_SET_USER_ZONE, SEND_START);
- i2c_write_byte(zone, 0);
- i2c_write_byte(8, SEND_STOP);
-
- return 0;
-}
-
-/*
- * We chose the easy way here and read/write whole zones at once
- */
-int read_user_zone(char *buf)
-{
- int i;
-
- i2c_set_slaveid(AT88_READ_USER_ZONE >> 1);
- i2c_write_byte(0, SEND_START);
- i2c_write_byte(0, 0);
- i2c_write_byte(at88_parm->zone_size, 0);
-
- for(i=0; i < at88_parm->zone_size; i++)
- buf[i] = i2c_read_byte( i==at88_parm->zone_size - 1 ? SEND_STOP : 0);
-
- return 0;
-}
-
-#define BLK_SIZE 16
-int write_user_zone(char *buf)
-{
- int i,block;
-
- for(block=0; block < at88_parm->zone_size/16; block++) {
- i2c_set_slaveid(AT88_WRITE_USER_ZONE >> 1);
- i2c_write_byte(0, SEND_START);
- i2c_write_byte(block * BLK_SIZE, 0);
- i2c_write_byte(BLK_SIZE, 0);
-
- for(i=0; i<BLK_SIZE; i++)
- i2c_write_byte( buf[block * BLK_SIZE + i], i == BLK_SIZE - 1 ? SEND_STOP : 0);
-
- udelay(16000);
- }
-
- return 0;
-}
-
-struct netx_cm_userarea netx_cm_userarea;
-
-struct netx_cm_userarea* netx_cm_get_userarea(void)
-{
- set_user_zone(1);
- if( read_user_zone((char *)&netx_cm_userarea.area_1) )
- return NULL;
-
- set_user_zone(2);
- if( read_user_zone((char *)&netx_cm_userarea.area_2) )
- return NULL;
-
- set_user_zone(3);
- if( read_user_zone((char *)&netx_cm_userarea.area_2) )
- return NULL;
-
- return &netx_cm_userarea;
-}
-
-int netx_cm_write_userarea(struct netx_cm_userarea *area)
-{
- set_user_zone(1);
- if( write_user_zone( (char *)&area->area_1 ) )
- return -1;
-
- set_user_zone(2);
- if( write_user_zone( (char *)&area->area_2 ) )
- return -1;
-
- set_user_zone(3);
- if( write_user_zone( (char *)&area->area_2 ) )
- return -1;
- return 0;
-}
-
-
-unsigned short crc16(unsigned short crc, unsigned int data)
-{
- crc = (crc >> 8) | ((crc & 0xff) << 8);
- crc ^= data;
- crc ^= (crc & 0xff) >> 4;
- crc ^= (crc & 0x0f) << 12;
- crc ^= ((crc & 0xff) << 4) << 1;
-
- return crc;
-}
-
-
-#define ETH_MAC_4321 0x1564
-#define ETH_MAC_65 0x1568
-
-int netx_cm_init(void)
-{
- int i;
- char buf[MAX_USER_ZONE_SIZE];
- struct netx_cm_userarea *area;
-
- i2c_init(100000);
-
- i2c_set_slaveid(AT88_SYSTEM_READ >> 1);
- i2c_write_byte(AT88_READ_CONFIG_ZONE, SEND_START);
- i2c_write_byte(0, 0); /* adr */
- i2c_write_byte(8, 0); /* len */
-
- for(i=0;i<8;i++)
- buf[i] = i2c_read_byte( i==7 ? SEND_STOP : 0 );
-
- for(i=0; i<parm_size; i++) {
- if(!memcmp(buf,at88_parm_table[i].atr,8)) {
- at88_parm = &at88_parm_table[i];
- break;
- }
- }
-
- if(!at88_parm) {
- printf("no crypto flash found\n");
- debug("unrecognized atr: ");
- for(i=0; i<8; i++)
- debug("0x%02x ",buf[i]);
- printf("\n");
- return -1;
- }
-
- printf("%s crypto flash found\n",at88_parm->name);
-
- area = netx_cm_get_userarea();
-
- for(i=0;i<4;i++) {
- printf("xc%d mac: %02x:%02x:%02x:%02x:%02x:%02x\n", i,
- area->area_1.mac[i][0],
- area->area_1.mac[i][1],
- area->area_1.mac[i][2],
- area->area_1.mac[i][3],
- area->area_1.mac[i][4],
- area->area_1.mac[i][5]);
-
- XPEC_REG(i, XPEC_RAM_START + ETH_MAC_4321) =
- area->area_1.mac[i][0] |
- area->area_1.mac[i][1]<<8 |
- area->area_1.mac[i][2]<<16 |
- area->area_1.mac[i][3]<<24;
-
- XPEC_REG(i, XPEC_RAM_START + ETH_MAC_65) =
- area->area_1.mac[i][4] |
- area->area_1.mac[i][5]<<8;
- }
-
- for(i=0; i<6; i++)
- gd->bd->bi_enetaddr[i] = area->area_1.mac[CONFIG_DRIVER_NET_NETX_XCNO][i];
-
-
- sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x",
- area->area_1.mac[CONFIG_DRIVER_NET_NETX_XCNO][0],
- area->area_1.mac[CONFIG_DRIVER_NET_NETX_XCNO][1],
- area->area_1.mac[CONFIG_DRIVER_NET_NETX_XCNO][2],
- area->area_1.mac[CONFIG_DRIVER_NET_NETX_XCNO][3],
- area->area_1.mac[CONFIG_DRIVER_NET_NETX_XCNO][4],
- area->area_1.mac[CONFIG_DRIVER_NET_NETX_XCNO][5]);
-
- setenv("ethaddr", buf);
-
- return 0;
-}
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