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Fix LOWBOOT configuration for MPC5200 with DDR memory

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master
wdenk 21 years ago
parent f8d813e34f
commit 79d696fc55
5 changed files with 120 additions and 119 deletions
  1. 2
      CHANGELOG
  2. 3
      Makefile
  3. 33
      cpu/mpc5xxx/start.S
  4. 12
      cpu/mpc5xxx/usb_ohci.c
  5. 189
      drivers/inca-ip_sw.c

2
CHANGELOG
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@ -2,6 +2,8 @@
Changes for U-Boot 1.0.2:
======================================================================
* Fix LOWBOOT configuration for MPC5200 with DDR memory
* Fix SDRAM timings for LITE5200 / IceCube board
* Handle Auti-MDIX / connection status for INCA-IP

3
Makefile
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@ -207,9 +207,10 @@ PATI_config:unconfig
MPC5200LITE_config \
MPC5200LITE_LOWBOOT_config \
MPC5200LITE_LOWBOOT08_config \
icecube_5200_DDR_LOWBOOT_config \
icecube_5200_DDR_config \
IceCube_5200_DDR_config \
icecube_5200_DDR_LOWBOOT_config \
icecube_5200_DDR_LOWBOOT08_config \
icecube_5200_config \
IceCube_5200_config \
IceCube_5100_config: unconfig

33
cpu/mpc5xxx/start.S
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@ -108,18 +108,19 @@ boot_warm:
#error CFG_LOWBOOT is incompatible with CFG_RAMBOOT
#endif /* CFG_RAMBOOT */
lis r4, CFG_DEFAULT_MBAR@h
lis r3, 0x0000FF00@h
ori r3, r3, 0x0000FF00@l
stw r3, 0x4(r4)
lis r3, 0x0000FFFF@h
ori r3, r3, 0x0000FFFF@l
stw r3, 0x8(r4)
lis r3, START_REG(CFG_BOOTCS_START)@h
ori r3, r3, START_REG(CFG_BOOTCS_START)@l
stw r3, 0x4(r4) /* CS0 start */
lis r3, STOP_REG(CFG_BOOTCS_START, CFG_BOOTCS_SIZE)@h
ori r3, r3, STOP_REG(CFG_BOOTCS_START, CFG_BOOTCS_SIZE)@l
stw r3, 0x8(r4) /* CS0 stop */
lis r3, 0x00047800@h
ori r3, r3, 0x00047800@l
stw r3, 0x300(r4)
stw r3, 0x300(r4) /* set timing, CS0/boot conf reg */
lis r3, 0x02010000@h
ori r3, r3, 0x02010000@l
stw r3, 0x54(r4)
stw r3, 0x54(r4) /* CS0 and Boot enable, IPBI ctrl reg */
lis r3, lowboot_reentry@h
ori r3, r3, lowboot_reentry@l
@ -127,18 +128,18 @@ boot_warm:
blr /* jump to flash based address */
lowboot_reentry:
lis r3, 0x0000FF00@h
ori r3, r3, 0x0000FF00@l
stw r3, 0x4c(r4)
lis r3, 0x0000FFFF@h
ori r3, r3, 0x0000FFFF@l
stw r3, 0x50(r4)
lis r3, START_REG(CFG_BOOTCS_START)@h
ori r3, r3, START_REG(CFG_BOOTCS_START)@l
stw r3, 0x4c(r4) /* Boot start */
lis r3, STOP_REG(CFG_BOOTCS_START, CFG_BOOTCS_SIZE)@h
ori r3, r3, STOP_REG(CFG_BOOTCS_START, CFG_BOOTCS_SIZE)@l
stw r3, 0x50(r4) /* Boot stop */
lis r3, 0x00047800@h
ori r3, r3, 0x00047800@l
stw r3, 0x300(r4)
stw r3, 0x300(r4) /* set timing, CS0/boot conf reg */
lis r3, 0x02000001@h
ori r3, r3, 0x02000001@l
stw r3, 0x54(r4)
stw r3, 0x54(r4) /* Boot enable, CS0 disable, wait state enable */
#endif /* CFG_LOWBOOT */
#if defined(CFG_DEFAULT_MBAR) && !defined(CFG_RAMBOOT)

12
cpu/mpc5xxx/usb_ohci.c
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@ -488,7 +488,7 @@ static int ep_link (ohci_t *ohci, ed_t *edi)
if (ohci->ed_controltail == NULL) {
writel (ed, &ohci->regs->ed_controlhead);
} else {
ohci->ed_controltail->hwNextED = ohci_cpu_to_le32 (ed);
ohci->ed_controltail->hwNextED = ohci_cpu_to_le32 ((unsigned long)ed);
}
ed->ed_prev = ohci->ed_controltail;
if (!ohci->ed_controltail && !ohci->ed_rm_list[0] &&
@ -504,7 +504,7 @@ static int ep_link (ohci_t *ohci, ed_t *edi)
if (ohci->ed_bulktail == NULL) {
writel (ed, &ohci->regs->ed_bulkhead);
} else {
ohci->ed_bulktail->hwNextED = ohci_cpu_to_le32 (ed);
ohci->ed_bulktail->hwNextED = ohci_cpu_to_le32 ((unsigned long)ed);
}
ed->ed_prev = ohci->ed_bulktail;
if (!ohci->ed_bulktail && !ohci->ed_rm_list[0] &&
@ -598,7 +598,7 @@ static ed_t * ep_add_ed (struct usb_device *usb_dev, unsigned long pipe)
ed->hwINFO = ohci_cpu_to_le32 (OHCI_ED_SKIP); /* skip ed */
/* dummy td; end of td list for ed */
td = td_alloc (usb_dev);
ed->hwTailP = ohci_cpu_to_le32 (td);
ed->hwTailP = ohci_cpu_to_le32 ((unsigned long)td);
ed->hwHeadP = ed->hwTailP;
ed->state = ED_UNLINK;
ed->type = usb_pipetype (pipe);
@ -656,12 +656,12 @@ static void td_fill (ohci_t *ohci, unsigned int info,
data = 0;
td->hwINFO = ohci_cpu_to_le32 (info);
td->hwCBP = ohci_cpu_to_le32 (data);
td->hwCBP = ohci_cpu_to_le32 ((unsigned long)data);
if (data)
td->hwBE = ohci_cpu_to_le32 (data + len - 1);
td->hwBE = ohci_cpu_to_le32 ((unsigned long)(data + len - 1));
else
td->hwBE = 0;
td->hwNextTD = ohci_cpu_to_le32 (td_pt);
td->hwNextTD = ohci_cpu_to_le32 ((unsigned long)td_pt);
td->hwPSW [0] = ohci_cpu_to_le16 (((__u32)data & 0x0FFF) | 0xE000);
/* append to queue */

189
drivers/inca-ip_sw.c
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@ -14,7 +14,7 @@
*
* 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
@ -45,27 +45,27 @@
#define DMA_WRITE_REG(reg, value) *((volatile u32 *)reg) = (u32)value;
#define DMA_READ_REG(reg, value) value = (u32)*((volatile u32*)reg)
#define SW_WRITE_REG(reg, value) \
*((volatile u32*)reg) = (u32)value;\
DELAY;\
*((volatile u32*)reg) = (u32)value;
*((volatile u32*)reg) = (u32)value;\
DELAY;\
*((volatile u32*)reg) = (u32)value;
#define SW_READ_REG(reg, value) \
value = (u32)*((volatile u32*)reg);\
DELAY;\
value = (u32)*((volatile u32*)reg);
#define SW_READ_REG(reg, value) \
value = (u32)*((volatile u32*)reg);\
DELAY;\
value = (u32)*((volatile u32*)reg);
#define INCA_DMA_TX_POLLING_TIME 0x07
#define INCA_DMA_RX_POLLING_TIME 0x07
#define INCA_DMA_TX_POLLING_TIME 0x07
#define INCA_DMA_RX_POLLING_TIME 0x07
#define INCA_DMA_TX_HOLD 0x80000000
#define INCA_DMA_TX_EOP 0x40000000
#define INCA_DMA_TX_SOP 0x20000000
#define INCA_DMA_TX_ICPT 0x10000000
#define INCA_DMA_TX_IEOP 0x08000000
#define INCA_DMA_TX_HOLD 0x80000000
#define INCA_DMA_TX_EOP 0x40000000
#define INCA_DMA_TX_SOP 0x20000000
#define INCA_DMA_TX_ICPT 0x10000000
#define INCA_DMA_TX_IEOP 0x08000000
#define INCA_DMA_RX_C 0x80000000
#define INCA_DMA_RX_SOP 0x40000000
#define INCA_DMA_RX_EOP 0x20000000
#define INCA_DMA_RX_C 0x80000000
#define INCA_DMA_RX_SOP 0x40000000
#define INCA_DMA_RX_EOP 0x20000000
#define INCA_SWITCH_PHY_SPEED_10H 0x1
#define INCA_SWITCH_PHY_SPEED_10F 0x5
@ -73,26 +73,26 @@
#define INCA_SWITCH_PHY_SPEED_100F 0x6
/************************ Auto MDIX settings ************************/
#define INCA_IP_AUTO_MDIX_LAN_PORTS_DIR INCA_IP_Ports_P1_DIR
#define INCA_IP_AUTO_MDIX_LAN_PORTS_ALTSEL INCA_IP_Ports_P1_ALTSEL
#define INCA_IP_AUTO_MDIX_LAN_PORTS_OUT INCA_IP_Ports_P1_OUT
#define INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX 16
#define WAIT_SIGNAL_RETRIES 100
#define WAIT_LINK_RETRIES 100
#define LINK_RETRY_DELAY 300 /* ms */
#define INCA_IP_AUTO_MDIX_LAN_PORTS_DIR INCA_IP_Ports_P1_DIR
#define INCA_IP_AUTO_MDIX_LAN_PORTS_ALTSEL INCA_IP_Ports_P1_ALTSEL
#define INCA_IP_AUTO_MDIX_LAN_PORTS_OUT INCA_IP_Ports_P1_OUT
#define INCA_IP_AUTO_MDIX_LAN_GPIO_PIN_RXTX 16
#define WAIT_SIGNAL_RETRIES 100
#define WAIT_LINK_RETRIES 100
#define LINK_RETRY_DELAY 2000 /* ms */
/********************************************************************/
typedef struct
{
union {
struct {
volatile u32 HOLD :1;
volatile u32 ICpt :1;
volatile u32 IEop :1;
volatile u32 offset :3;
volatile u32 reserved0 :4;
volatile u32 NFB :22;
volatile u32 HOLD :1;
volatile u32 ICpt :1;
volatile u32 IEop :1;
volatile u32 offset :3;
volatile u32 reserved0 :4;
volatile u32 NFB :22;
}field;
volatile u32 word;
@ -104,11 +104,11 @@ typedef struct
union {
struct {
volatile u32 C :1;
volatile u32 Sop :1;
volatile u32 Eop :1;
volatile u32 reserved3 :12;
volatile u32 NBT :17;
volatile u32 C :1;
volatile u32 Sop :1;
volatile u32 Eop :1;
volatile u32 reserved3 :12;
volatile u32 NBT :17;
}field;
volatile u32 word;
@ -121,13 +121,13 @@ typedef struct
{
union {
struct {
volatile u32 HOLD :1;
volatile u32 Eop :1;
volatile u32 Sop :1;
volatile u32 ICpt :1;
volatile u32 IEop :1;
volatile u32 reserved0 :5;
volatile u32 NBA :22;
volatile u32 HOLD :1;
volatile u32 Eop :1;
volatile u32 Sop :1;
volatile u32 ICpt :1;
volatile u32 IEop :1;
volatile u32 reserved0 :5;
volatile u32 NBA :22;
}field;
volatile u32 word;
@ -137,8 +137,8 @@ typedef struct
volatile u32 TxDataPtr;
volatile u32 C :1;
volatile u32 reserved3 :31;
volatile u32 C :1;
volatile u32 reserved3 :31;
} inca_tx_descriptor_t;
@ -148,12 +148,11 @@ static inca_tx_descriptor_t tx_ring[NUM_TX_DESC] __attribute__ ((aligned(16)));
static int tx_new, rx_new, tx_hold, rx_hold;
static int tx_old_hold = -1;
static int initialized = 0;
static int initialized = 0;
static int inca_switch_init(struct eth_device *dev, bd_t * bis);
static int inca_switch_send(struct eth_device *dev, volatile void *packet,
int length);
static int inca_switch_send(struct eth_device *dev, volatile void *packet, int length);
static int inca_switch_recv(struct eth_device *dev);
static void inca_switch_halt(struct eth_device *dev);
static void inca_init_switch_chip(void);
@ -265,9 +264,9 @@ static int inca_switch_init(struct eth_device *dev, bd_t * bis)
memset(tx_desc, 0, sizeof(tx_ring[i]));
tx_desc->params.word = 0;
tx_desc->params.word = 0;
tx_desc->params.field.HOLD = 1;
tx_desc->C = 1;
tx_desc->C = 1;
/* Check if it is the last descriptor.
*/
@ -296,8 +295,7 @@ static int inca_switch_init(struct eth_device *dev, bd_t * bis)
/* Writing to the COMMAND REG.
*/
DMA_WRITE_REG(INCA_IP_DMA_DMA_RXCCR0,
INCA_IP_DMA_DMA_RXCCR0_INIT);
DMA_WRITE_REG(INCA_IP_DMA_DMA_RXCCR0, INCA_IP_DMA_DMA_RXCCR0_INIT);
/* Initialize TxDMA.
*/
@ -320,9 +318,9 @@ static int inca_switch_init(struct eth_device *dev, bd_t * bis)
#endif
/* enable spanning tree forwarding, enable the CPU port */
/* ST_PT:
* CPS (CPU port status) 0x3 (forwarding)
* LPS (LAN port status) 0x3 (forwarding)
* PPS (PC port status) 0x3 (forwarding)
* CPS (CPU port status) 0x3 (forwarding)
* LPS (LAN port status) 0x3 (forwarding)
* PPS (PC port status) 0x3 (forwarding)
*/
SW_WRITE_REG(INCA_IP_Switch_ST_PT,0x3f);
@ -336,11 +334,11 @@ static int inca_switch_init(struct eth_device *dev, bd_t * bis)
static int inca_switch_send(struct eth_device *dev, volatile void *packet, int length)
{
int i;
int res = -1;
u32 command;
u32 regValue;
inca_tx_descriptor_t * tx_desc = KSEG1ADDR(&tx_ring[tx_new]);
int i;
int res = -1;
u32 command;
u32 regValue;
inca_tx_descriptor_t * tx_desc = KSEG1ADDR(&tx_ring[tx_new]);
#if 0
printf("Entered inca_switch_send()\n");
@ -373,7 +371,7 @@ static int inca_switch_send(struct eth_device *dev, volatile void *packet, int l
KSEG1ADDR(&tx_ring[tx_hold])->params.field.HOLD = 0;
tx_hold = tx_new;
tx_new = (tx_new + 1) % NUM_TX_DESC;
tx_new = (tx_new + 1) % NUM_TX_DESC;
if (! initialized) {
@ -409,7 +407,7 @@ Done:
static int inca_switch_recv(struct eth_device *dev)
{
int length = 0;
int length = 0;
inca_rx_descriptor_t * rx_desc;
#if 0
@ -450,8 +448,7 @@ static int inca_switch_recv(struct eth_device *dev)
#if 0
printf("Received %d bytes\n", length);
#endif
NetReceive((void*)KSEG1ADDR(NetRxPackets[rx_new]),
length - 4);
NetReceive((void*)KSEG1ADDR(NetRxPackets[rx_new]), length - 4);
} else {
#if 1
printf("Zero length!!!\n");
@ -516,13 +513,13 @@ static void inca_init_switch_chip(void)
#if 1
/* init MDIO configuration:
* MDS (Poll speed): 0x01 (4ms)
* PHY_LAN_ADDR: 0x06
* PHY_PC_ADDR: 0x05
* MDS (Poll speed): 0x01 (4ms)
* PHY_LAN_ADDR: 0x06
* PHY_PC_ADDR: 0x05
* UEP (Use External PHY): 0x00 (Internal PHY is used)
* PS (Port Select): 0x00 (PT/UMM for LAN)
* PT (PHY Test): 0x00 (no test mode)
* UMM (Use MDIO Mode): 0x00 (state machine is disabled)
* PS (Port Select): 0x00 (PT/UMM for LAN)
* PT (PHY Test): 0x00 (no test mode)
* UMM (Use MDIO Mode): 0x00 (state machine is disabled)
*/
SW_WRITE_REG(INCA_IP_Switch_MDIO_CFG, 0x4c50);
@ -540,39 +537,39 @@ static void inca_init_switch_chip(void)
/* MDIO_ACC:
* RA (Request/Ack) 0x01 (Request)
* RW (Read/Write) 0x01 (Write)
* PHY_ADDR 0x05 (PC)
* REG_ADDR 0x00 (PHY_BCR: basic control register)
* PHY_DATA 0x8000
* Reset - software reset
* LB (loop back) - normal
* SS (speed select) - 10 Mbit/s
* RW (Read/Write) 0x01 (Write)
* PHY_ADDR 0x05 (PC)
* REG_ADDR 0x00 (PHY_BCR: basic control register)
* PHY_DATA 0x8000
* Reset - software reset
* LB (loop back) - normal
* SS (speed select) - 10 Mbit/s
* ANE (auto neg. enable) - enable
* PD (power down) - normal
* ISO (isolate) - normal
* PD (power down) - normal
* ISO (isolate) - normal
* RAN (restart auto neg.) - normal
* DM (duplex mode) - half duplex
* DM (duplex mode) - half duplex
* CT (collision test) - enable
*/
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC, 0xc0a09000);
/* MDIO_ACC:
* RA (Request/Ack) 0x01 (Request)
* RW (Read/Write) 0x01 (Write)
* PHY_ADDR 0x06 (LAN)
* REG_ADDR 0x00 (PHY_BCR: basic control register)
* PHY_DATA 0x8000
* Reset - software reset
* LB (loop back) - normal
* SS (speed select) - 10 Mbit/s
* RW (Read/Write) 0x01 (Write)
* PHY_ADDR 0x06 (LAN)
* REG_ADDR 0x00 (PHY_BCR: basic control register)
* PHY_DATA 0x8000
* Reset - software reset
* LB (loop back) - normal
* SS (speed select) - 10 Mbit/s
* ANE (auto neg. enable) - enable
* PD (power down) - normal
* ISO (isolate) - normal
* PD (power down) - normal
* ISO (isolate) - normal
* RAN (restart auto neg.) - normal
* DM (duplex mode) - half duplex
* DM (duplex mode) - half duplex
* CT (collision test) - enable
*/
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC, 0xc0c09000);
SW_WRITE_REG(INCA_IP_Switch_MDIO_ACC, 0xc0c09000);
#endif
@ -723,7 +720,7 @@ static int inca_amdix(void)
(0x6 << 21) | /* LAN */
(31 << 16)); /* PHY_SCSR */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg31);
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg31);
} while (phyReg31 & (1 << 31));
switch ((phyReg31 >> 2) & 0x7) {
@ -755,7 +752,7 @@ static int inca_amdix(void)
(0x6 << 21) | /* LAN */
(6 << 16)); /* PHY_ANER */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg6);
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg6);
} while (phyReg6 & (1 << 31));
/* We are Autoneg-able.
@ -768,7 +765,7 @@ static int inca_amdix(void)
(0x6 << 21) | /* LAN */
(4 << 16)); /* PHY_ANAR */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg4);
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg4);
} while (phyReg4 & (1 << 31));
/* We advertise PAUSE capab.
@ -781,7 +778,7 @@ static int inca_amdix(void)
(0x6 << 21) | /* LAN */
(5 << 16)); /* PHY_ANLPAR */
do {
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg5);
SW_READ_REG(INCA_IP_Switch_MDIO_ACC, phyReg5);
} while (phyReg5 & (1 << 31));
/* Link partner is PAUSE capab.

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