diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/Makefile | 3 | ||||
| -rw-r--r-- | drivers/atmel_usart.c | 48 | ||||
| -rw-r--r-- | drivers/atmel_usart.h | 8 | ||||
| -rw-r--r-- | drivers/macb.c | 575 | ||||
| -rw-r--r-- | drivers/macb.h | 269 | ||||
| -rw-r--r-- | drivers/nand/nand_base.c | 10 | ||||
| -rw-r--r-- | drivers/pci_auto.c | 7 | ||||
| -rw-r--r-- | drivers/smc91111.c | 8 | ||||
| -rw-r--r-- | drivers/systemace.c | 6 | ||||
| -rw-r--r-- | drivers/tsec.c | 99 | ||||
| -rw-r--r-- | drivers/tsec.h | 3 | ||||
| -rw-r--r-- | drivers/tsi108_eth.c | 1036 | ||||
| -rw-r--r-- | drivers/tsi108_i2c.c | 283 | ||||
| -rw-r--r-- | drivers/tsi108_pci.c | 178 |
14 files changed, 2498 insertions, 35 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index fffc22a..d68cba6 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -32,7 +32,7 @@ COBJS = 3c589.o 5701rls.o ali512x.o atmel_usart.o \ cs8900.o ct69000.o dataflash.o dc2114x.o dm9000x.o \ e1000.o eepro100.o \ i8042.o inca-ip_sw.o keyboard.o \ - lan91c96.o \ + lan91c96.o macb.o \ natsemi.o ne2000.o netarm_eth.o netconsole.o \ ns16550.o ns8382x.o ns87308.o ns7520_eth.o omap1510_i2c.o \ omap24xx_i2c.o pci.o pci_auto.o pci_indirect.o \ @@ -46,6 +46,7 @@ COBJS = 3c589.o 5701rls.o ali512x.o atmel_usart.o \ sl811_usb.o sm501.o smc91111.o smiLynxEM.o \ status_led.o sym53c8xx.o systemace.o ahci.o \ ti_pci1410a.o tigon3.o tsec.o \ + tsi108_eth.o tsi108_i2c.o tsi108_pci.o \ usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbtty.o \ videomodes.o w83c553f.o \ ks8695eth.o \ diff --git a/drivers/atmel_usart.c b/drivers/atmel_usart.c index 41c3768..f35b997 100644 --- a/drivers/atmel_usart.c +++ b/drivers/atmel_usart.c @@ -19,7 +19,22 @@ #ifdef CONFIG_ATMEL_USART #include <asm/io.h> -#include <asm/arch/platform.h> +#include <asm/arch/clk.h> +#include <asm/arch/memory-map.h> + +#if defined(CONFIG_USART0) +# define USART_ID 0 +# define USART_BASE USART0_BASE +#elif defined(CONFIG_USART1) +# define USART_ID 1 +# define USART_BASE USART1_BASE +#elif defined(CONFIG_USART2) +# define USART_ID 2 +# define USART_BASE USART2_BASE +#elif defined(CONFIG_USART3) +# define USART_ID 3 +# define USART_BASE USART3_BASE +#endif #include "atmel_usart.h" @@ -35,26 +50,23 @@ void serial_setbrg(void) * Baud Rate = -------------- * 16 * CD */ - usart_hz = pm_get_clock_freq(gd->console_uart->resource[0].u.clock.id); + usart_hz = get_usart_clk_rate(USART_ID); divisor = (usart_hz / 16 + gd->baudrate / 2) / gd->baudrate; - usart3_writel(gd->console_uart, BRGR, USART3_BF(CD, divisor)); + usart3_writel(BRGR, USART3_BF(CD, divisor)); } int serial_init(void) { - usart3_writel(gd->console_uart, CR, - USART3_BIT(RSTRX) | USART3_BIT(RSTTX)); + usart3_writel(CR, USART3_BIT(RSTRX) | USART3_BIT(RSTTX)); serial_setbrg(); - usart3_writel(gd->console_uart, CR, - USART3_BIT(RXEN) | USART3_BIT(TXEN)); - usart3_writel(gd->console_uart, MR, - USART3_BF(USART_MODE, USART3_USART_MODE_NORMAL) - | USART3_BF(USCLKS, USART3_USCLKS_MCK) - | USART3_BF(CHRL, USART3_CHRL_8) - | USART3_BF(PAR, USART3_PAR_NONE) - | USART3_BF(NBSTOP, USART3_NBSTOP_1)); + usart3_writel(CR, USART3_BIT(RXEN) | USART3_BIT(TXEN)); + usart3_writel(MR, (USART3_BF(USART_MODE, USART3_USART_MODE_NORMAL) + | USART3_BF(USCLKS, USART3_USCLKS_MCK) + | USART3_BF(CHRL, USART3_CHRL_8) + | USART3_BF(PAR, USART3_PAR_NONE) + | USART3_BF(NBSTOP, USART3_NBSTOP_1))); return 0; } @@ -64,8 +76,8 @@ void serial_putc(char c) if (c == '\n') serial_putc('\r'); - while (!(usart3_readl(gd->console_uart, CSR) & USART3_BIT(TXRDY))) ; - usart3_writel(gd->console_uart, THR, c); + while (!(usart3_readl(CSR) & USART3_BIT(TXRDY))) ; + usart3_writel(THR, c); } void serial_puts(const char *s) @@ -76,13 +88,13 @@ void serial_puts(const char *s) int serial_getc(void) { - while (!(usart3_readl(gd->console_uart, CSR) & USART3_BIT(RXRDY))) ; - return usart3_readl(gd->console_uart, RHR); + while (!(usart3_readl(CSR) & USART3_BIT(RXRDY))) ; + return usart3_readl(RHR); } int serial_tstc(void) { - return (usart3_readl(gd->console_uart, CSR) & USART3_BIT(RXRDY)) != 0; + return (usart3_readl(CSR) & USART3_BIT(RXRDY)) != 0; } #endif /* CONFIG_ATMEL_USART */ diff --git a/drivers/atmel_usart.h b/drivers/atmel_usart.h index fad90a8..af3773a 100644 --- a/drivers/atmel_usart.h +++ b/drivers/atmel_usart.h @@ -306,9 +306,9 @@ | USART3_BF(name,value)) /* Register access macros */ -#define usart3_readl(port,reg) \ - readl((port)->regs + USART3_##reg) -#define usart3_writel(port,reg,value) \ - writel((value), (port)->regs + USART3_##reg) +#define usart3_readl(reg) \ + readl((void *)USART_BASE + USART3_##reg) +#define usart3_writel(reg,value) \ + writel((value), (void *)USART_BASE + USART3_##reg) #endif /* __DRIVERS_ATMEL_USART_H__ */ diff --git a/drivers/macb.c b/drivers/macb.c new file mode 100644 index 0000000..186ab19 --- /dev/null +++ b/drivers/macb.c @@ -0,0 +1,575 @@ +/* + * Copyright (C) 2005-2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include <common.h> + +#if defined(CONFIG_MACB) && (CONFIG_COMMANDS & (CFG_CMD_NET | CFG_CMD_MII)) + +/* + * The u-boot networking stack is a little weird. It seems like the + * networking core allocates receive buffers up front without any + * regard to the hardware that's supposed to actually receive those + * packets. + * + * The MACB receives packets into 128-byte receive buffers, so the + * buffers allocated by the core isn't very practical to use. We'll + * allocate our own, but we need one such buffer in case a packet + * wraps around the DMA ring so that we have to copy it. + * + * Therefore, define CFG_RX_ETH_BUFFER to 1 in the board-specific + * configuration header. This way, the core allocates one RX buffer + * and one TX buffer, each of which can hold a ethernet packet of + * maximum size. + * + * For some reason, the networking core unconditionally specifies a + * 32-byte packet "alignment" (which really should be called + * "padding"). MACB shouldn't need that, but we'll refrain from any + * core modifications here... + */ + +#include <net.h> +#include <malloc.h> + +#include <linux/mii.h> +#include <asm/io.h> +#include <asm/dma-mapping.h> +#include <asm/arch/clk.h> + +#include "macb.h" + +#define CFG_MACB_RX_BUFFER_SIZE 4096 +#define CFG_MACB_RX_RING_SIZE (CFG_MACB_RX_BUFFER_SIZE / 128) +#define CFG_MACB_TX_RING_SIZE 16 +#define CFG_MACB_TX_TIMEOUT 1000 +#define CFG_MACB_AUTONEG_TIMEOUT 5000000 + +struct macb_dma_desc { + u32 addr; + u32 ctrl; +}; + +#define RXADDR_USED 0x00000001 +#define RXADDR_WRAP 0x00000002 + +#define RXBUF_FRMLEN_MASK 0x00000fff +#define RXBUF_FRAME_START 0x00004000 +#define RXBUF_FRAME_END 0x00008000 +#define RXBUF_TYPEID_MATCH 0x00400000 +#define RXBUF_ADDR4_MATCH 0x00800000 +#define RXBUF_ADDR3_MATCH 0x01000000 +#define RXBUF_ADDR2_MATCH 0x02000000 +#define RXBUF_ADDR1_MATCH 0x04000000 +#define RXBUF_BROADCAST 0x80000000 + +#define TXBUF_FRMLEN_MASK 0x000007ff +#define TXBUF_FRAME_END 0x00008000 +#define TXBUF_NOCRC 0x00010000 +#define TXBUF_EXHAUSTED 0x08000000 +#define TXBUF_UNDERRUN 0x10000000 +#define TXBUF_MAXRETRY 0x20000000 +#define TXBUF_WRAP 0x40000000 +#define TXBUF_USED 0x80000000 + +struct macb_device { + void *regs; + + unsigned int rx_tail; + unsigned int tx_head; + unsigned int tx_tail; + + void *rx_buffer; + void *tx_buffer; + struct macb_dma_desc *rx_ring; + struct macb_dma_desc *tx_ring; + + unsigned long rx_buffer_dma; + unsigned long rx_ring_dma; + unsigned long tx_ring_dma; + + const struct device *dev; + struct eth_device netdev; + unsigned short phy_addr; +}; +#define to_macb(_nd) container_of(_nd, struct macb_device, netdev) + +static void macb_mdio_write(struct macb_device *macb, u8 reg, u16 value) +{ + unsigned long netctl; + unsigned long netstat; + unsigned long frame; + + netctl = macb_readl(macb, NCR); + netctl |= MACB_BIT(MPE); + macb_writel(macb, NCR, netctl); + + frame = (MACB_BF(SOF, 1) + | MACB_BF(RW, 1) + | MACB_BF(PHYA, macb->phy_addr) + | MACB_BF(REGA, reg) + | MACB_BF(CODE, 2) + | MACB_BF(DATA, value)); + macb_writel(macb, MAN, frame); + + do { + netstat = macb_readl(macb, NSR); + } while (!(netstat & MACB_BIT(IDLE))); + + netctl = macb_readl(macb, NCR); + netctl &= ~MACB_BIT(MPE); + macb_writel(macb, NCR, netctl); +} + +static u16 macb_mdio_read(struct macb_device *macb, u8 reg) +{ + unsigned long netctl; + unsigned long netstat; + unsigned long frame; + + netctl = macb_readl(macb, NCR); + netctl |= MACB_BIT(MPE); + macb_writel(macb, NCR, netctl); + + frame = (MACB_BF(SOF, 1) + | MACB_BF(RW, 2) + | MACB_BF(PHYA, macb->phy_addr) + | MACB_BF(REGA, reg) + | MACB_BF(CODE, 2)); + macb_writel(macb, MAN, frame); + + do { + netstat = macb_readl(macb, NSR); + } while (!(netstat & MACB_BIT(IDLE))); + + frame = macb_readl(macb, MAN); + + netctl = macb_readl(macb, NCR); + netctl &= ~MACB_BIT(MPE); + macb_writel(macb, NCR, netctl); + + return MACB_BFEXT(DATA, frame); +} + +#if (CONFIG_COMMANDS & CFG_CMD_NET) + +static int macb_send(struct eth_device *netdev, volatile void *packet, + int length) +{ + struct macb_device *macb = to_macb(netdev); + unsigned long paddr, ctrl; + unsigned int tx_head = macb->tx_head; + int i; + + paddr = dma_map_single(packet, length, DMA_TO_DEVICE); + + ctrl = length & TXBUF_FRMLEN_MASK; + ctrl |= TXBUF_FRAME_END; + if (tx_head == (CFG_MACB_TX_RING_SIZE - 1)) { + ctrl |= TXBUF_WRAP; + macb->tx_head = 0; + } else + macb->tx_head++; + + macb->tx_ring[tx_head].ctrl = ctrl; + macb->tx_ring[tx_head].addr = paddr; + macb_writel(macb, NCR, MACB_BIT(TE) | MACB_BIT(RE) | MACB_BIT(TSTART)); + + /* + * I guess this is necessary because the networking core may + * re-use the transmit buffer as soon as we return... + */ + i = 0; + while (!(macb->tx_ring[tx_head].ctrl & TXBUF_USED)) { + if (i > CFG_MACB_TX_TIMEOUT) { + printf("%s: TX timeout\n", netdev->name); + break; + } + udelay(1); + i++; + } + + dma_unmap_single(packet, length, paddr); + + if (i <= CFG_MACB_TX_TIMEOUT) { + ctrl = macb->tx_ring[tx_head].ctrl; + if (ctrl & TXBUF_UNDERRUN) + printf("%s: TX underrun\n", netdev->name); + if (ctrl & TXBUF_EXHAUSTED) + printf("%s: TX buffers exhausted in mid frame\n", + netdev->name); + } + + /* No one cares anyway */ + return 0; +} + +static void reclaim_rx_buffers(struct macb_device *macb, + unsigned int new_tail) +{ + unsigned int i; + + i = macb->rx_tail; + while (i > new_tail) { + macb->rx_ring[i].addr &= ~RXADDR_USED; + i++; + if (i > CFG_MACB_RX_RING_SIZE) + i = 0; + } + + while (i < new_tail) { + macb->rx_ring[i].addr &= ~RXADDR_USED; + i++; + } + + macb->rx_tail = new_tail; +} + +static int macb_recv(struct eth_device *netdev) +{ + struct macb_device *macb = to_macb(netdev); + unsigned int rx_tail = macb->rx_tail; + void *buffer; + int length; + int wrapped = 0; + u32 status; + + for (;;) { + if (!(macb->rx_ring[rx_tail].addr & RXADDR_USED)) + return -1; + + status = macb->rx_ring[rx_tail].ctrl; + if (status & RXBUF_FRAME_START) { + if (rx_tail != macb->rx_tail) + reclaim_rx_buffers(macb, rx_tail); + wrapped = 0; + } + + if (status & RXBUF_FRAME_END) { + buffer = macb->rx_buffer + 128 * macb->rx_tail; + length = status & RXBUF_FRMLEN_MASK; + if (wrapped) { + unsigned int headlen, taillen; + + headlen = 128 * (CFG_MACB_RX_RING_SIZE + - macb->rx_tail); + taillen = length - headlen; + memcpy((void *)NetRxPackets[0], + buffer, headlen); + memcpy((void *)NetRxPackets[0] + headlen, + macb->rx_buffer, taillen); + buffer = (void *)NetRxPackets[0]; + } + + NetReceive(buffer, length); + if (++rx_tail >= CFG_MACB_RX_RING_SIZE) + rx_tail = 0; + reclaim_rx_buffers(macb, rx_tail); + } else { + if (++rx_tail >= CFG_MACB_RX_RING_SIZE) { + wrapped = 1; + rx_tail = 0; + } + } + } + + return 0; +} + +static int macb_phy_init(struct macb_device *macb) +{ + struct eth_device *netdev = &macb->netdev; + u32 ncfgr; + u16 phy_id, status, adv, lpa; + int media, speed, duplex; + int i; + + /* Check if the PHY is up to snuff... */ + phy_id = macb_mdio_read(macb, MII_PHYSID1); + if (phy_id == 0xffff) { + printf("%s: No PHY present\n", netdev->name); + return 0; + } + + adv = ADVERTISE_CSMA | ADVERTISE_ALL; + macb_mdio_write(macb, MII_ADVERTISE, adv); + printf("%s: Starting autonegotiation...\n", netdev->name); + macb_mdio_write(macb, MII_BMCR, (BMCR_ANENABLE + | BMCR_ANRESTART)); + +#if 0 + for (i = 0; i < 9; i++) + printf("mii%d: 0x%04x\n", i, macb_mdio_read(macb, i)); +#endif + + for (i = 0; i < CFG_MACB_AUTONEG_TIMEOUT / 100; i++) { + status = macb_mdio_read(macb, MII_BMSR); + if (status & BMSR_ANEGCOMPLETE) + break; + udelay(100); + } + + if (status & BMSR_ANEGCOMPLETE) + printf("%s: Autonegotiation complete\n", netdev->name); + else + printf("%s: Autonegotiation timed out (status=0x%04x)\n", + netdev->name, status); + + if (!(status & BMSR_LSTATUS)) { + for (i = 0; i < CFG_MACB_AUTONEG_TIMEOUT / 100; i++) { + udelay(100); + status = macb_mdio_read(macb, MII_BMSR); + if (status & BMSR_LSTATUS) + break; + } + } + + if (!(status & BMSR_LSTATUS)) { + printf("%s: link down (status: 0x%04x)\n", + netdev->name, status); + return 0; + } else { + lpa = macb_mdio_read(macb, MII_LPA); + media = mii_nway_result(lpa & adv); + speed = (media & (ADVERTISE_100FULL | ADVERTISE_100HALF) + ? 1 : 0); + duplex = (media & ADVERTISE_FULL) ? 1 : 0; + printf("%s: link up, %sMbps %s-duplex (lpa: 0x%04x)\n", + netdev->name, + speed ? "100" : "10", + duplex ? "full" : "half", + lpa); + + ncfgr = macb_readl(macb, NCFGR); + ncfgr &= ~(MACB_BIT(SPD) | MACB_BIT(FD)); + if (speed) + ncfgr |= MACB_BIT(SPD); + if (duplex) + ncfgr |= MACB_BIT(FD); + macb_writel(macb, NCFGR, ncfgr); + return 1; + } +} + +static int macb_init(struct eth_device *netdev, bd_t *bd) +{ + struct macb_device *macb = to_macb(netdev); + unsigned long paddr; + u32 hwaddr_bottom; + u16 hwaddr_top; + int i; + + /* + * macb_halt should have been called at some point before now, + * so we'll assume the controller is idle. + */ + + /* initialize DMA descriptors */ + paddr = macb->rx_buffer_dma; + for (i = 0; i < CFG_MACB_RX_RING_SIZE; i++) { + if (i == (CFG_MACB_RX_RING_SIZE - 1)) + paddr |= RXADDR_WRAP; + macb->rx_ring[i].addr = paddr; + macb->rx_ring[i].ctrl = 0; + paddr += 128; + } + for (i = 0; i < CFG_MACB_TX_RING_SIZE; i++) { + macb->tx_ring[i].addr = 0; + if (i == (CFG_MACB_TX_RING_SIZE - 1)) + macb->tx_ring[i].ctrl = TXBUF_USED | TXBUF_WRAP; + else + macb->tx_ring[i].ctrl = TXBUF_USED; + } + macb->rx_tail = macb->tx_head = macb->tx_tail = 0; + + macb_writel(macb, RBQP, macb->rx_ring_dma); + macb_writel(macb, TBQP, macb->tx_ring_dma); + + /* set hardware address */ + hwaddr_bottom = cpu_to_le32(*((u32 *)netdev->enetaddr)); + macb_writel(macb, SA1B, hwaddr_bottom); + hwaddr_top = cpu_to_le16(*((u16 *)(netdev->enetaddr + 4))); + macb_writel(macb, SA1T, hwaddr_top); + + /* choose RMII or MII mode. This depends on the board */ +#ifdef CONFIG_RMII + macb_writel(macb, USRIO, 0); +#else + macb_writel(macb, USRIO, MACB_BIT(MII)); +#endif + + if (!macb_phy_init(macb)) + return 0; + + /* Enable TX and RX */ + macb_writel(macb, NCR, MACB_BIT(TE) | MACB_BIT(RE)); + + return 1; +} + +static void macb_halt(struct eth_device *netdev) +{ + struct macb_device *macb = to_macb(netdev); + u32 ncr, tsr; + + /* Halt the controller and wait for any ongoing transmission to end. */ + ncr = macb_readl(macb, NCR); + ncr |= MACB_BIT(THALT); + macb_writel(macb, NCR, ncr); + + do { + tsr = macb_readl(macb, TSR); + } while (tsr & MACB_BIT(TGO)); + + /* Disable TX and RX, and clear statistics */ + macb_writel(macb, NCR, MACB_BIT(CLRSTAT)); +} + +int macb_eth_initialize(int id, void *regs, unsigned int phy_addr) +{ + struct macb_device *macb; + struct eth_device *netdev; + unsigned long macb_hz; + u32 ncfgr; + + macb = malloc(sizeof(struct macb_device)); + if (!macb) { + printf("Error: Failed to allocate memory for MACB%d\n", id); + return -1; + } + memset(macb, 0, sizeof(struct macb_device)); + + netdev = &macb->netdev; + + macb->rx_buffer = dma_alloc_coherent(CFG_MACB_RX_BUFFER_SIZE, + &macb->rx_buffer_dma); + macb->rx_ring = dma_alloc_coherent(CFG_MACB_RX_RING_SIZE + * sizeof(struct macb_dma_desc), + &macb->rx_ring_dma); + macb->tx_ring = dma_alloc_coherent(CFG_MACB_TX_RING_SIZE + * sizeof(struct macb_dma_desc), + &macb->tx_ring_dma); + + macb->regs = regs; + macb->phy_addr = phy_addr; + + sprintf(netdev->name, "macb%d", id); + netdev->init = macb_init; + netdev->halt = macb_halt; + netdev->send = macb_send; + netdev->recv = macb_recv; + + /* + * Do some basic initialization so that we at least can talk + * to the PHY + */ + macb_hz = get_macb_pclk_rate(id); + if (macb_hz < 20000000) + ncfgr = MACB_BF(CLK, MACB_CLK_DIV8); + else if (macb_hz < 40000000) + ncfgr = MACB_BF(CLK, MACB_CLK_DIV16); + else if (macb_hz < 80000000) + ncfgr = MACB_BF(CLK, MACB_CLK_DIV32); + else + ncfgr = MACB_BF(CLK, MACB_CLK_DIV64); + + macb_writel(macb, NCFGR, ncfgr); + + eth_register(netdev); + + return 0; +} + +#endif /* (CONFIG_COMMANDS & CFG_CMD_NET) */ + +#if (CONFIG_COMMANDS & CFG_CMD_MII) + +int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value) +{ + unsigned long netctl; + unsigned long netstat; + unsigned long frame; + int iflag; + + iflag = disable_interrupts(); + netctl = macb_readl(&macb, EMACB_NCR); + netctl |= MACB_BIT(MPE); + macb_writel(&macb, EMACB_NCR, netctl); + if (iflag) + enable_interrupts(); + + frame = (MACB_BF(SOF, 1) + | MACB_BF(RW, 2) + | MACB_BF(PHYA, addr) + | MACB_BF(REGA, reg) + | MACB_BF(CODE, 2)); + macb_writel(&macb, EMACB_MAN, frame); + + do { + netstat = macb_readl(&macb, EMACB_NSR); + } while (!(netstat & MACB_BIT(IDLE))); + + frame = macb_readl(&macb, EMACB_MAN); + *value = MACB_BFEXT(DATA, frame); + + iflag = disable_interrupts(); + netctl = macb_readl(&macb, EMACB_NCR); + netctl &= ~MACB_BIT(MPE); + macb_writel(&macb, EMACB_NCR, netctl); + if (iflag) + enable_interrupts(); + + return 0; +} + +int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value) +{ + unsigned long netctl; + unsigned long netstat; + unsigned long frame; + int iflag; + + iflag = disable_interrupts(); + netctl = macb_readl(&macb, EMACB_NCR); + netctl |= MACB_BIT(MPE); + macb_writel(&macb, EMACB_NCR, netctl); + if (iflag) + enable_interrupts(); + + frame = (MACB_BF(SOF, 1) + | MACB_BF(RW, 1) + | MACB_BF(PHYA, addr) + | MACB_BF(REGA, reg) + | MACB_BF(CODE, 2) + | MACB_BF(DATA, value)); + macb_writel(&macb, EMACB_MAN, frame); + + do { + netstat = macb_readl(&macb, EMACB_NSR); + } while (!(netstat & MACB_BIT(IDLE))); + + iflag = disable_interrupts(); + netctl = macb_readl(&macb, EMACB_NCR); + netctl &= ~MACB_BIT(MPE); + macb_writel(&macb, EMACB_NCR, netctl); + if (iflag) + enable_interrupts(); + + return 0; +} + +#endif /* (CONFIG_COMMANDS & CFG_CMD_MII) */ + +#endif /* CONFIG_MACB */ diff --git a/drivers/macb.h b/drivers/macb.h new file mode 100644 index 0000000..c778e4e --- /dev/null +++ b/drivers/macb.h @@ -0,0 +1,269 @@ +/* + * Copyright (C) 2005-2006 Atmel Corporation + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef __DRIVERS_MACB_H__ +#define __DRIVERS_MACB_H__ + +/* MACB register offsets */ +#define MACB_NCR 0x0000 +#define MACB_NCFGR 0x0004 +#define MACB_NSR 0x0008 +#define MACB_TSR 0x0014 +#define MACB_RBQP 0x0018 +#define MACB_TBQP 0x001c +#define MACB_RSR 0x0020 +#define MACB_ISR 0x0024 +#define MACB_IER 0x0028 +#define MACB_IDR 0x002c +#define MACB_IMR 0x0030 +#define MACB_MAN 0x0034 +#define MACB_PTR 0x0038 +#define MACB_PFR 0x003c +#define MACB_FTO 0x0040 +#define MACB_SCF 0x0044 +#define MACB_MCF 0x0048 +#define MACB_FRO 0x004c +#define MACB_FCSE 0x0050 +#define MACB_ALE 0x0054 +#define MACB_DTF 0x0058 +#define MACB_LCOL 0x005c +#define MACB_EXCOL 0x0060 +#define MACB_TUND 0x0064 +#define MACB_CSE 0x0068 +#define MACB_RRE 0x006c +#define MACB_ROVR 0x0070 +#define MACB_RSE 0x0074 +#define MACB_ELE 0x0078 +#define MACB_RJA 0x007c +#define MACB_USF 0x0080 +#define MACB_STE 0x0084 +#define MACB_RLE 0x0088 +#define MACB_TPF 0x008c +#define MACB_HRB 0x0090 +#define MACB_HRT 0x0094 +#define MACB_SA1B 0x0098 +#define MACB_SA1T 0x009c +#define MACB_SA2B 0x00a0 +#define MACB_SA2T 0x00a4 +#define MACB_SA3B 0x00a8 +#define MACB_SA3T 0x00ac +#define MACB_SA4B 0x00b0 +#define MACB_SA4T 0x00b4 +#define MACB_TID 0x00b8 +#define MACB_TPQ 0x00bc +#define MACB_USRIO 0x00c0 +#define MACB_WOL 0x00c4 + +/* Bitfields in NCR */ +#define MACB_LB_OFFSET 0 +#define MACB_LB_SIZE 1 +#define MACB_LLB_OFFSET 1 +#define MACB_LLB_SIZE 1 +#define MACB_RE_OFFSET 2 +#define MACB_RE_SIZE 1 +#define MACB_TE_OFFSET 3 +#define MACB_TE_SIZE 1 +#define MACB_MPE_OFFSET 4 +#define MACB_MPE_SIZE 1 +#define MACB_CLRSTAT_OFFSET 5 +#define MACB_CLRSTAT_SIZE 1 +#define MACB_INCSTAT_OFFSET 6 +#define MACB_INCSTAT_SIZE 1 +#define MACB_WESTAT_OFFSET 7 +#define MACB_WESTAT_SIZE 1 +#define MACB_BP_OFFSET 8 +#define MACB_BP_SIZE 1 +#define MACB_TSTART_OFFSET 9 +#define MACB_TSTART_SIZE 1 +#define MACB_THALT_OFFSET 10 +#define MACB_THALT_SIZE 1 +#define MACB_NCR_TPF_OFFSET 11 +#define MACB_NCR_TPF_SIZE 1 +#define MACB_TZQ_OFFSET 12 +#define MACB_TZQ_SIZE 1 + +/* Bitfields in NCFGR */ +#define MACB_SPD_OFFSET 0 +#define MACB_SPD_SIZE 1 +#define MACB_FD_OFFSET 1 +#define MACB_FD_SIZE 1 +#define MACB_BIT_RATE_OFFSET 2 +#define MACB_BIT_RATE_SIZE 1 +#define MACB_JFRAME_OFFSET 3 +#define MACB_JFRAME_SIZE 1 +#define MACB_CAF_OFFSET 4 +#define MACB_CAF_SIZE 1 +#define MACB_NBC_OFFSET 5 +#define MACB_NBC_SIZE 1 +#define MACB_NCFGR_MTI_OFFSET 6 +#define MACB_NCFGR_MTI_SIZE 1 +#define MACB_UNI_OFFSET 7 +#define MACB_UNI_SIZE 1 +#define MACB_BIG_OFFSET 8 +#define MACB_BIG_SIZE 1 +#define MACB_EAE_OFFSET 9 +#define MACB_EAE_SIZE 1 +#define MACB_CLK_OFFSET 10 +#define MACB_CLK_SIZE 2 +#define MACB_RTY_OFFSET 12 +#define MACB_RTY_SIZE 1 +#define MACB_PAE_OFFSET 13 +#define MACB_PAE_SIZE 1 +#define MACB_RBOF_OFFSET 14 +#define MACB_RBOF_SIZE 2 +#define MACB_RLCE_OFFSET 16 +#define MACB_RLCE_SIZE 1 +#define MACB_DRFCS_OFFSET 17 +#define MACB_DRFCS_SIZE 1 +#define MACB_EFRHD_OFFSET 18 +#define MACB_EFRHD_SIZE 1 +#define MACB_IRXFCS_OFFSET 19 +#define MACB_IRXFCS_SIZE 1 + +/* Bitfields in NSR */ +#define MACB_NSR_LINK_OFFSET 0 +#define MACB_NSR_LINK_SIZE 1 +#define MACB_MDIO_OFFSET 1 +#define MACB_MDIO_SIZE 1 +#define MACB_IDLE_OFFSET 2 +#define MACB_IDLE_SIZE 1 + +/* Bitfields in TSR */ +#define MACB_UBR_OFFSET 0 +#define MACB_UBR_SIZE 1 +#define MACB_COL_OFFSET 1 +#define MACB_COL_SIZE 1 +#define MACB_TSR_RLE_OFFSET 2 +#define MACB_TSR_RLE_SIZE 1 +#define MACB_TGO_OFFSET 3 +#define MACB_TGO_SIZE 1 +#define MACB_BEX_OFFSET 4 +#define MACB_BEX_SIZE 1 +#define MACB_COMP_OFFSET 5 +#define MACB_COMP_SIZE 1 +#define MACB_UND_OFFSET 6 +#define MACB_UND_SIZE 1 + +/* Bitfields in RSR */ +#define MACB_BNA_OFFSET 0 +#define MACB_BNA_SIZE 1 +#define MACB_REC_OFFSET 1 +#define MACB_REC_SIZE 1 +#define MACB_OVR_OFFSET 2 +#define MACB_OVR_SIZE 1 + +/* Bitfields in ISR/IER/IDR/IMR */ +#define MACB_MFD_OFFSET 0 +#define MACB_MFD_SIZE 1 +#define MACB_RCOMP_OFFSET 1 +#define MACB_RCOMP_SIZE 1 +#define MACB_RXUBR_OFFSET 2 +#define MACB_RXUBR_SIZE 1 +#define MACB_TXUBR_OFFSET 3 +#define MACB_TXUBR_SIZE 1 +#define MACB_ISR_TUND_OFFSET 4 +#define MACB_ISR_TUND_SIZE 1 +#define MACB_ISR_RLE_OFFSET 5 +#define MACB_ISR_RLE_SIZE 1 +#define MACB_TXERR_OFFSET 6 +#define MACB_TXERR_SIZE 1 +#define MACB_TCOMP_OFFSET 7 +#define MACB_TCOMP_SIZE 1 +#define MACB_ISR_LINK_OFFSET 9 +#define MACB_ISR_LINK_SIZE 1 +#define MACB_ISR_ROVR_OFFSET 10 +#define MACB_ISR_ROVR_SIZE 1 +#define MACB_HRESP_OFFSET 11 +#define MACB_HRESP_SIZE 1 +#define MACB_PFR_OFFSET 12 +#define MACB_PFR_SIZE 1 +#define MACB_PTZ_OFFSET 13 +#define MACB_PTZ_SIZE 1 + +/* Bitfields in MAN */ +#define MACB_DATA_OFFSET 0 +#define MACB_DATA_SIZE 16 +#define MACB_CODE_OFFSET 16 +#define MACB_CODE_SIZE 2 +#define MACB_REGA_OFFSET 18 +#define MACB_REGA_SIZE 5 +#define MACB_PHYA_OFFSET 23 +#define MACB_PHYA_SIZE 5 +#define MACB_RW_OFFSET 28 +#define MACB_RW_SIZE 2 +#define MACB_SOF_OFFSET 30 +#define MACB_SOF_SIZE 2 + +/* Bitfields in USRIO */ +#define MACB_MII_OFFSET 0 +#define MACB_MII_SIZE 1 +#define MACB_EAM_OFFSET 1 +#define MACB_EAM_SIZE 1 +#define MACB_TX_PAUSE_OFFSET 2 +#define MACB_TX_PAUSE_SIZE 1 +#define MACB_TX_PAUSE_ZERO_OFFSET 3 +#define MACB_TX_PAUSE_ZERO_SIZE 1 + +/* Bitfields in WOL */ +#define MACB_IP_OFFSET 0 +#define MACB_IP_SIZE 16 +#define MACB_MAG_OFFSET 16 +#define MACB_MAG_SIZE 1 +#define MACB_ARP_OFFSET 17 +#define MACB_ARP_SIZE 1 +#define MACB_SA1_OFFSET 18 +#define MACB_SA1_SIZE 1 +#define MACB_WOL_MTI_OFFSET 19 +#define MACB_WOL_MTI_SIZE 1 + +/* Constants for CLK */ +#define MACB_CLK_DIV8 0 +#define MACB_CLK_DIV16 1 +#define MACB_CLK_DIV32 2 +#define MACB_CLK_DIV64 3 + +/* Constants for MAN register */ +#define MACB_MAN_SOF 1 +#define MACB_MAN_WRITE 1 +#define MACB_MAN_READ 2 +#define MACB_MAN_CODE 2 + +/* Bit manipulation macros */ +#define MACB_BIT(name) \ + (1 << MACB_##name##_OFFSET) +#define MACB_BF(name,value) \ + (((value) & ((1 << MACB_##name##_SIZE) - 1)) \ + << MACB_##name##_OFFSET) +#define MACB_BFEXT(name,value)\ + (((value) >> MACB_##name##_OFFSET) \ + & ((1 << MACB_##name##_SIZE) - 1)) +#define MACB_BFINS(name,value,old) \ + (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \ + << MACB_##name##_OFFSET)) \ + | MACB_BF(name,value)) + +/* Register access macros */ +#define macb_readl(port,reg) \ + readl((port)->regs + MACB_##reg) +#define macb_writel(port,reg,value) \ + writel((value), (port)->regs + MACB_##reg) + +#endif /* __DRIVERS_MACB_H__ */ diff --git a/drivers/nand/nand_base.c b/drivers/nand/nand_base.c index 8495829..c6fee18 100644 --- a/drivers/nand/nand_base.c +++ b/drivers/nand/nand_base.c @@ -427,8 +427,9 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) struct nand_chip *this = mtd->priv; u16 bad; + page = (int)(ofs >> this->page_shift) & this->pagemask; + if (getchip) { - page = (int)(ofs >> this->page_shift); chipnr = (int)(ofs >> this->chip_shift); /* Grab the lock and see if the device is available */ @@ -436,18 +437,17 @@ static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) /* Select the NAND device */ this->select_chip(mtd, chipnr); - } else - page = (int) ofs; + } if (this->options & NAND_BUSWIDTH_16) { - this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos & 0xFE, page & this->pagemask); + this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos & 0xFE, page); bad = cpu_to_le16(this->read_word(mtd)); if (this->badblockpos & 0x1) bad >>= 1; if ((bad & 0xFF) != 0xff) res = 1; } else { - this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos, page & this->pagemask); + this->cmdfunc (mtd, NAND_CMD_READOOB, this->badblockpos, page); if (this->read_byte(mtd) != 0xff) res = 1; } diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c index 9691675..f170c2d 100644 --- a/drivers/pci_auto.c +++ b/drivers/pci_auto.c @@ -34,7 +34,12 @@ void pciauto_region_init(struct pci_region* res) { - res->bus_lower = res->bus_start; + /* + * Avoid allocating PCI resources from address 0 -- this is illegal + * according to PCI 2.1 and moreover, this is known to cause Linux IDE + * drivers to fail. Use a reasonable starting value of 0x1000 instead. + */ + res->bus_lower = res->bus_start ? res->bus_start : 0x1000; } void pciauto_region_align(struct pci_region *res, unsigned long size) diff --git a/drivers/smc91111.c b/drivers/smc91111.c index f91e4b9..8061f12 100644 --- a/drivers/smc91111.c +++ b/drivers/smc91111.c @@ -1538,9 +1538,9 @@ int eth_send(volatile void *packet, int length) { int smc_get_ethaddr (bd_t * bd) { int env_size, rom_valid, env_present = 0, reg; - char *s = NULL, *e, *v_mac, es[] = "11:22:33:44:55:66"; + char *s = NULL, *e, es[] = "11:22:33:44:55:66"; char s_env_mac[64]; - uchar v_env_mac[6], v_rom_mac[6]; + uchar v_env_mac[6], v_rom_mac[6], *v_mac; env_size = getenv_r ("ethaddr", s_env_mac, sizeof (s_env_mac)); if ((env_size > 0) && (env_size < sizeof (es))) { /* exit if env is bad */ @@ -1563,7 +1563,7 @@ int smc_get_ethaddr (bd_t * bd) if (!env_present) { /* if NO env */ if (rom_valid) { /* but ROM is valid */ - v_mac = (char *)v_rom_mac; + v_mac = v_rom_mac; sprintf (s_env_mac, "%02X:%02X:%02X:%02X:%02X:%02X", v_mac[0], v_mac[1], v_mac[2], v_mac[3], v_mac[4], v_mac[5]); @@ -1573,7 +1573,7 @@ int smc_get_ethaddr (bd_t * bd) return (-1); } } else { /* good env, don't care ROM */ - v_mac = (char *)v_env_mac; /* always use a good env over a ROM */ + v_mac = v_env_mac; /* always use a good env over a ROM */ } if (env_present && rom_valid) { /* if both env and ROM are good */ diff --git a/drivers/systemace.c b/drivers/systemace.c index 3848d9c..7d82c27 100644 --- a/drivers/systemace.c +++ b/drivers/systemace.c @@ -211,10 +211,16 @@ static unsigned long systemace_read(int dev, unsigned long start, /* Write sector count | ReadMemCardData. */ ace_writew((trans & 0xff) | 0x0300, 0x14); +/* + * For FPGA configuration via SystemACE is reset unacceptable + * CFGDONE bit in STATUSREG is not set to 1. + */ +#ifndef SYSTEMACE_CONFIG_FPGA /* Reset the configruation controller */ val = ace_readw(0x18); val |= 0x0080; ace_writew(val, 0x18); +#endif retry = trans * 16; while (retry > 0) { diff --git a/drivers/tsec.c b/drivers/tsec.c index 3f11eb0..b418773 100644 --- a/drivers/tsec.c +++ b/drivers/tsec.c @@ -5,7 +5,7 @@ * terms of the GNU Public License, Version 2, incorporated * herein by reference. * - * Copyright 2004 Freescale Semiconductor. + * Copyright 2004, 2007 Freescale Semiconductor, Inc. * (C) Copyright 2003, Motorola, Inc. * author Andy Fleming * @@ -66,7 +66,11 @@ struct tsec_info_struct { */ static struct tsec_info_struct tsec_info[] = { #if defined(CONFIG_MPC85XX_TSEC1) || defined(CONFIG_MPC83XX_TSEC1) +#if defined(CONFIG_MPC8544DS) + {TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX}, +#else {TSEC1_PHY_ADDR, TSEC_GIGABIT, TSEC1_PHYIDX}, +#endif #elif defined(CONFIG_MPC86XX_TSEC1) {TSEC1_PHY_ADDR, TSEC_GIGABIT | TSEC_REDUCED, TSEC1_PHYIDX}, #else @@ -381,6 +385,76 @@ uint mii_parse_sr(uint mii_reg, struct tsec_private * priv) return 0; } +/* Generic function which updates the speed and duplex. If + * autonegotiation is enabled, it uses the AND of the link + * partner's advertised capabilities and our advertised + * capabilities. If autonegotiation is disabled, we use the + * appropriate bits in the control register. + * + * Stolen from Linux's mii.c and phy_device.c + */ +uint mii_parse_link(uint mii_reg, struct tsec_private *priv) +{ + /* We're using autonegotiation */ + if (mii_reg & PHY_BMSR_AUTN_ABLE) { + uint lpa = 0; + uint gblpa = 0; + + /* Check for gigabit capability */ + if (mii_reg & PHY_BMSR_EXT) { + /* We want a list of states supported by + * both PHYs in the link + */ + gblpa = read_phy_reg(priv, PHY_1000BTSR); + gblpa &= read_phy_reg(priv, PHY_1000BTCR) << 2; + } + + /* Set the baseline so we only have to set them + * if they're different + */ + priv->speed = 10; + priv->duplexity = 0; + + /* Check the gigabit fields */ + if (gblpa & (PHY_1000BTSR_1000FD | PHY_1000BTSR_1000HD)) { + priv->speed = 1000; + + if (gblpa & PHY_1000BTSR_1000FD) + priv->duplexity = 1; + + /* We're done! */ + return 0; + } + + lpa = read_phy_reg(priv, PHY_ANAR); + lpa &= read_phy_reg(priv, PHY_ANLPAR); + + if (lpa & (PHY_ANLPAR_TXFD | PHY_ANLPAR_TX)) { + priv->speed = 100; + + if (lpa & PHY_ANLPAR_TXFD) + priv->duplexity = 1; + + } else if (lpa & PHY_ANLPAR_10FD) + priv->duplexity = 1; + } else { + uint bmcr = read_phy_reg(priv, PHY_BMCR); + + priv->speed = 10; + priv->duplexity = 0; + + if (bmcr & PHY_BMCR_DPLX) + priv->duplexity = 1; + + if (bmcr & PHY_BMCR_1000_MBPS) + priv->speed = 1000; + else if (bmcr & PHY_BMCR_100_MBPS) + priv->speed = 100; + } + + return 0; +} + /* * Parse the BCM54xx status register for speed and duplex information. * The linux sungem_phy has this information, but in a table format. @@ -718,6 +792,7 @@ static void startup_tsec(struct eth_device *dev) /* Start up the PHY */ if(priv->phyinfo) phy_run_commands(priv, priv->phyinfo->startup); + adjust_link(dev); /* Enable Transmit and Receive */ @@ -1088,6 +1163,27 @@ struct phy_info phy_info_dm9161 = { {miim_end,} }, }; +/* a generic flavor. */ +struct phy_info phy_info_generic = { + 0, + "Unknown/Generic PHY", + 32, + (struct phy_cmd[]) { /* config */ + {PHY_BMCR, PHY_BMCR_RESET, NULL}, + {PHY_BMCR, PHY_BMCR_AUTON|PHY_BMCR_RST_NEG, NULL}, + {miim_end,} + }, + (struct phy_cmd[]) { /* startup */ + {PHY_BMSR, miim_read, NULL}, + {PHY_BMSR, miim_read, &mii_parse_sr}, + {PHY_BMSR, miim_read, &mii_parse_link}, + {miim_end,} + }, + (struct phy_cmd[]) { /* shutdown */ + {miim_end,} + } +}; + uint mii_parse_lxt971_sr2(uint mii_reg, struct tsec_private *priv) { @@ -1203,6 +1299,7 @@ struct phy_info *phy_info[] = { &phy_info_lxt971, &phy_info_VSC8244, &phy_info_dp83865, + &phy_info_generic, NULL }; diff --git a/drivers/tsec.h b/drivers/tsec.h index 422bc66..7bf3dee 100644 --- a/drivers/tsec.h +++ b/drivers/tsec.h @@ -7,7 +7,7 @@ * terms of the GNU Public License, Version 2, incorporated * herein by reference. * - * Copyright 2004 Freescale Semiconductor. + * Copyright 2004, 2007 Freescale Semiconductor, Inc. * (C) Copyright 2003, Motorola, Inc. * maintained by Xianghua Xiao (x.xiao@motorola.com) * author Andy Fleming @@ -65,6 +65,7 @@ #define ECNTRL_INIT_SETTINGS 0x00001000 #define ECNTRL_TBI_MODE 0x00000020 #define ECNTRL_R100 0x00000008 +#define ECNTRL_SGMII_MODE 0x00000002 #define miim_end -2 #define miim_read -1 diff --git a/drivers/tsi108_eth.c b/drivers/tsi108_eth.c new file mode 100644 index 0000000..47341be --- /dev/null +++ b/drivers/tsi108_eth.c @@ -0,0 +1,1036 @@ +/*********************************************************************** + * + * Copyright (c) 2005 Freescale Semiconductor, Inc. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * Description: + * Ethernet interface for Tundra TSI108 bridge chip + * + ***********************************************************************/ + +#include <config.h> + +#if (CONFIG_COMMANDS & CFG_CMD_NET) && defined(CONFIG_NET_MULTI) \ + && defined(CONFIG_TSI108_ETH) + +#if !defined(CONFIG_TSI108_ETH_NUM_PORTS) || (CONFIG_TSI108_ETH_NUM_PORTS > 2) +#error "CONFIG_TSI108_ETH_NUM_PORTS must be defined as 1 or 2" +#endif + +#include <common.h> +#include <malloc.h> +#include <net.h> +#include <asm/cache.h> + +#ifdef DEBUG +#define TSI108_ETH_DEBUG 7 +#else +#define TSI108_ETH_DEBUG 0 +#endif + +#if TSI108_ETH_DEBUG > 0 +#define debug_lev(lev, fmt, args...) \ +if (lev <= TSI108_ETH_DEBUG) \ +printf ("%s %d: " fmt, __FUNCTION__, __LINE__, ##args) +#else +#define debug_lev(lev, fmt, args...) do{}while(0) +#endif + +#define RX_PRINT_ERRORS +#define TX_PRINT_ERRORS + +#define ETH_BASE (CFG_TSI108_CSR_BASE + 0x6000) + +#define ETH_PORT_OFFSET 0x400 + +#define __REG32(base, offset) (*((volatile u32 *)((char *)(base) + (offset)))) + +#define reg_MAC_CONFIG_1(base) __REG32(base, 0x00000000) +#define MAC_CONFIG_1_TX_ENABLE (0x00000001) +#define MAC_CONFIG_1_SYNC_TX_ENABLE (0x00000002) +#define MAC_CONFIG_1_RX_ENABLE (0x00000004) +#define MAC_CONFIG_1_SYNC_RX_ENABLE (0x00000008) +#define MAC_CONFIG_1_TX_FLOW_CONTROL (0x00000010) +#define MAC_CONFIG_1_RX_FLOW_CONTROL (0x00000020) +#define MAC_CONFIG_1_LOOP_BACK (0x00000100) +#define MAC_CONFIG_1_RESET_TX_FUNCTION (0x00010000) +#define MAC_CONFIG_1_RESET_RX_FUNCTION (0x00020000) +#define MAC_CONFIG_1_RESET_TX_MAC (0x00040000) +#define MAC_CONFIG_1_RESET_RX_MAC (0x00080000) +#define MAC_CONFIG_1_SIM_RESET (0x40000000) +#define MAC_CONFIG_1_SOFT_RESET (0x80000000) + +#define reg_MAC_CONFIG_2(base) __REG32(base, 0x00000004) +#define MAC_CONFIG_2_FULL_DUPLEX (0x00000001) +#define MAC_CONFIG_2_CRC_ENABLE (0x00000002) +#define MAC_CONFIG_2_PAD_CRC (0x00000004) +#define MAC_CONFIG_2_LENGTH_CHECK (0x00000010) +#define MAC_CONFIG_2_HUGE_FRAME (0x00000020) +#define MAC_CONFIG_2_INTERFACE_MODE(val) (((val) & 0x3) << 8) +#define MAC_CONFIG_2_PREAMBLE_LENGTH(val) (((val) & 0xf) << 12) +#define INTERFACE_MODE_NIBBLE 1 /* 10/100 Mb/s MII) */ +#define INTERFACE_MODE_BYTE 2 /* 1000 Mb/s GMII/TBI */ + +#define reg_MAXIMUM_FRAME_LENGTH(base) __REG32(base, 0x00000010) + +#define reg_MII_MGMT_CONFIG(base) __REG32(base, 0x00000020) +#define MII_MGMT_CONFIG_MGMT_CLOCK_SELECT(val) ((val) & 0x7) +#define MII_MGMT_CONFIG_NO_PREAMBLE (0x00000010) +#define MII_MGMT_CONFIG_SCAN_INCREMENT (0x00000020) +#define MII_MGMT_CONFIG_RESET_MGMT (0x80000000) + +#define reg_MII_MGMT_COMMAND(base) __REG32(base, 0x00000024) +#define MII_MGMT_COMMAND_READ_CYCLE (0x00000001) +#define MII_MGMT_COMMAND_SCAN_CYCLE (0x00000002) + +#define reg_MII_MGMT_ADDRESS(base) __REG32(base, 0x00000028) +#define reg_MII_MGMT_CONTROL(base) __REG32(base, 0x0000002c) +#define reg_MII_MGMT_STATUS(base) __REG32(base, 0x00000030) + +#define reg_MII_MGMT_INDICATORS(base) __REG32(base, 0x00000034) +#define MII_MGMT_INDICATORS_BUSY (0x00000001) +#define MII_MGMT_INDICATORS_SCAN (0x00000002) +#define MII_MGMT_INDICATORS_NOT_VALID (0x00000004) + +#define reg_INTERFACE_STATUS(base) __REG32(base, 0x0000003c) +#define INTERFACE_STATUS_LINK_FAIL (0x00000008) +#define INTERFACE_STATUS_EXCESS_DEFER (0x00000200) + +#define reg_STATION_ADDRESS_1(base) __REG32(base, 0x00000040) +#define reg_STATION_ADDRESS_2(base) __REG32(base, 0x00000044) + +#define reg_PORT_CONTROL(base) __REG32(base, 0x00000200) +#define PORT_CONTROL_PRI (0x00000001) +#define PORT_CONTROL_BPT (0x00010000) +#define PORT_CONTROL_SPD (0x00040000) +#define PORT_CONTROL_RBC (0x00080000) +#define PORT_CONTROL_PRB (0x00200000) +#define PORT_CONTROL_DIS (0x00400000) +#define PORT_CONTROL_TBI (0x00800000) +#define PORT_CONTROL_STE (0x10000000) +#define PORT_CONTROL_ZOR (0x20000000) +#define PORT_CONTROL_CLR (0x40000000) +#define PORT_CONTROL_SRT (0x80000000) + +#define reg_TX_CONFIG(base) __REG32(base, 0x00000220) +#define TX_CONFIG_START_Q (0x00000003) +#define TX_CONFIG_EHP (0x00400000) +#define TX_CONFIG_CHP (0x00800000) +#define TX_CONFIG_RST (0x80000000) + +#define reg_TX_CONTROL(base) __REG32(base, 0x00000224) +#define TX_CONTROL_GO (0x00008000) +#define TX_CONTROL_MP (0x01000000) +#define TX_CONTROL_EAI (0x20000000) +#define TX_CONTROL_ABT (0x40000000) +#define TX_CONTROL_EII (0x80000000) + +#define reg_TX_STATUS(base) __REG32(base, 0x00000228) +#define TX_STATUS_QUEUE_USABLE (0x0000000f) +#define TX_STATUS_CURR_Q (0x00000300) +#define TX_STATUS_ACT (0x00008000) +#define TX_STATUS_QUEUE_IDLE (0x000f0000) +#define TX_STATUS_EOQ_PENDING (0x0f000000) + +#define reg_TX_EXTENDED_STATUS(base) __REG32(base, 0x0000022c) +#define TX_EXTENDED_STATUS_END_OF_QUEUE_CONDITION (0x0000000f) +#define TX_EXTENDED_STATUS_END_OF_FRAME_CONDITION (0x00000f00) +#define TX_EXTENDED_STATUS_DESCRIPTOR_INTERRUPT_CONDITION (0x000f0000) +#define TX_EXTENDED_STATUS_ERROR_FLAG (0x0f000000) + +#define reg_TX_THRESHOLDS(base) __REG32(base, 0x00000230) + +#define reg_TX_DIAGNOSTIC_ADDR(base) __REG32(base, 0x00000270) +#define TX_DIAGNOSTIC_ADDR_INDEX (0x0000007f) +#define TX_DIAGNOSTIC_ADDR_DFR (0x40000000) +#define TX_DIAGNOSTIC_ADDR_AI (0x80000000) + +#define reg_TX_DIAGNOSTIC_DATA(base) __REG32(base, 0x00000274) + +#define reg_TX_ERROR_STATUS(base) __REG32(base, 0x00000278) +#define TX_ERROR_STATUS (0x00000278) +#define TX_ERROR_STATUS_QUEUE_0_ERROR_RESPONSE (0x0000000f) +#define TX_ERROR_STATUS_TEA_ON_QUEUE_0 (0x00000010) +#define TX_ERROR_STATUS_RER_ON_QUEUE_0 (0x00000020) +#define TX_ERROR_STATUS_TER_ON_QUEUE_0 (0x00000040) +#define TX_ERROR_STATUS_DER_ON_QUEUE_0 (0x00000080) +#define TX_ERROR_STATUS_QUEUE_1_ERROR_RESPONSE (0x00000f00) +#define TX_ERROR_STATUS_TEA_ON_QUEUE_1 (0x00001000) +#define TX_ERROR_STATUS_RER_ON_QUEUE_1 (0x00002000) +#define TX_ERROR_STATUS_TER_ON_QUEUE_1 (0x00004000) +#define TX_ERROR_STATUS_DER_ON_QUEUE_1 (0x00008000) +#define TX_ERROR_STATUS_QUEUE_2_ERROR_RESPONSE (0x000f0000) +#define TX_ERROR_STATUS_TEA_ON_QUEUE_2 (0x00100000) +#define TX_ERROR_STATUS_RER_ON_QUEUE_2 (0x00200000) +#define TX_ERROR_STATUS_TER_ON_QUEUE_2 (0x00400000) +#define TX_ERROR_STATUS_DER_ON_QUEUE_2 (0x00800000) +#define TX_ERROR_STATUS_QUEUE_3_ERROR_RESPONSE (0x0f000000) +#define TX_ERROR_STATUS_TEA_ON_QUEUE_3 (0x10000000) +#define TX_ERROR_STATUS_RER_ON_QUEUE_3 (0x20000000) +#define TX_ERROR_STATUS_TER_ON_QUEUE_3 (0x40000000) +#define TX_ERROR_STATUS_DER_ON_QUEUE_3 (0x80000000) + +#define reg_TX_QUEUE_0_CONFIG(base) __REG32(base, 0x00000280) +#define TX_QUEUE_0_CONFIG_OCN_PORT (0x0000003f) +#define TX_QUEUE_0_CONFIG_BSWP (0x00000400) +#define TX_QUEUE_0_CONFIG_WSWP (0x00000800) +#define TX_QUEUE_0_CONFIG_AM (0x00004000) +#define TX_QUEUE_0_CONFIG_GVI (0x00008000) +#define TX_QUEUE_0_CONFIG_EEI (0x00010000) +#define TX_QUEUE_0_CONFIG_ELI (0x00020000) +#define TX_QUEUE_0_CONFIG_ENI (0x00040000) +#define TX_QUEUE_0_CONFIG_ESI (0x00080000) +#define TX_QUEUE_0_CONFIG_EDI (0x00100000) + +#define reg_TX_QUEUE_0_BUF_CONFIG(base) __REG32(base, 0x00000284) +#define TX_QUEUE_0_BUF_CONFIG_OCN_PORT (0x0000003f) +#define TX_QUEUE_0_BUF_CONFIG_BURST (0x00000300) +#define TX_QUEUE_0_BUF_CONFIG_BSWP (0x00000400) +#define TX_QUEUE_0_BUF_CONFIG_WSWP (0x00000800) + +#define OCN_PORT_HLP 0 /* HLP Interface */ +#define OCN_PORT_PCI_X 1 /* PCI-X Interface */ +#define OCN_PORT_PROCESSOR_MASTER 2 /* Processor Interface (master) */ +#define OCN_PORT_PROCESSOR_SLAVE 3 /* Processor Interface (slave) */ +#define OCN_PORT_MEMORY 4 /* Memory Controller */ +#define OCN_PORT_DMA 5 /* DMA Controller */ +#define OCN_PORT_ETHERNET 6 /* Ethernet Controller */ +#define OCN_PORT_PRINT 7 /* Print Engine Interface */ + +#define reg_TX_QUEUE_0_PTR_LOW(base) __REG32(base, 0x00000288) + +#define reg_TX_QUEUE_0_PTR_HIGH(base) __REG32(base, 0x0000028c) +#define TX_QUEUE_0_PTR_HIGH_VALID (0x80000000) + +#define reg_RX_CONFIG(base) __REG32(base, 0x00000320) +#define RX_CONFIG_DEF_Q (0x00000003) +#define RX_CONFIG_EMF (0x00000100) +#define RX_CONFIG_EUF (0x00000200) +#define RX_CONFIG_BFE (0x00000400) +#define RX_CONFIG_MFE (0x00000800) +#define RX_CONFIG_UFE (0x00001000) +#define RX_CONFIG_SE (0x00002000) +#define RX_CONFIG_ABF (0x00200000) +#define RX_CONFIG_APE (0x00400000) +#define RX_CONFIG_CHP (0x00800000) +#define RX_CONFIG_RST (0x80000000) + +#define reg_RX_CONTROL(base) __REG32(base, 0x00000324) +#define GE_E0_RX_CONTROL_QUEUE_ENABLES (0x0000000f) +#define GE_E0_RX_CONTROL_GO (0x00008000) +#define GE_E0_RX_CONTROL_EAI (0x20000000) +#define GE_E0_RX_CONTROL_ABT (0x40000000) +#define GE_E0_RX_CONTROL_EII (0x80000000) + +#define reg_RX_EXTENDED_STATUS(base) __REG32(base, 0x0000032c) +#define RX_EXTENDED_STATUS (0x0000032c) +#define RX_EXTENDED_STATUS_EOQ (0x0000000f) +#define RX_EXTENDED_STATUS_EOQ_0 (0x00000001) +#define RX_EXTENDED_STATUS_EOF (0x00000f00) +#define RX_EXTENDED_STATUS_DESCRIPTOR_INTERRUPT_CONDITION (0x000f0000) +#define RX_EXTENDED_STATUS_ERROR_FLAG (0x0f000000) + +#define reg_RX_THRESHOLDS(base) __REG32(base, 0x00000330) + +#define reg_RX_DIAGNOSTIC_ADDR(base) __REG32(base, 0x00000370) +#define RX_DIAGNOSTIC_ADDR_INDEX (0x0000007f) +#define RX_DIAGNOSTIC_ADDR_DFR (0x40000000) +#define RX_DIAGNOSTIC_ADDR_AI (0x80000000) + +#define reg_RX_DIAGNOSTIC_DATA(base) __REG32(base, 0x00000374) + +#define reg_RX_QUEUE_0_CONFIG(base) __REG32(base, 0x00000380) +#define RX_QUEUE_0_CONFIG_OCN_PORT (0x0000003f) +#define RX_QUEUE_0_CONFIG_BSWP (0x00000400) +#define RX_QUEUE_0_CONFIG_WSWP (0x00000800) +#define RX_QUEUE_0_CONFIG_AM (0x00004000) +#define RX_QUEUE_0_CONFIG_EEI (0x00010000) +#define RX_QUEUE_0_CONFIG_ELI (0x00020000) +#define RX_QUEUE_0_CONFIG_ENI (0x00040000) +#define RX_QUEUE_0_CONFIG_ESI (0x00080000) +#define RX_QUEUE_0_CONFIG_EDI (0x00100000) + +#define reg_RX_QUEUE_0_BUF_CONFIG(base) __REG32(base, 0x00000384) +#define RX_QUEUE_0_BUF_CONFIG_OCN_PORT (0x0000003f) +#define RX_QUEUE_0_BUF_CONFIG_BURST (0x00000300) +#define RX_QUEUE_0_BUF_CONFIG_BSWP (0x00000400) +#define RX_QUEUE_0_BUF_CONFIG_WSWP (0x00000800) + +#define reg_RX_QUEUE_0_PTR_LOW(base) __REG32(base, 0x00000388) + +#define reg_RX_QUEUE_0_PTR_HIGH(base) __REG32(base, 0x0000038c) +#define RX_QUEUE_0_PTR_HIGH_VALID (0x80000000) + +/* + * PHY register definitions + */ +/* the first 15 PHY registers are standard. */ +#define PHY_CTRL_REG 0 /* Control Register */ +#define PHY_STATUS_REG 1 /* Status Regiser */ +#define PHY_ID1_REG 2 /* Phy Id Reg (word 1) */ +#define PHY_ID2_REG 3 /* Phy Id Reg (word 2) */ +#define PHY_AN_ADV_REG 4 /* Autoneg Advertisement */ +#define PHY_LP_ABILITY_REG 5 /* Link Partner Ability (Base Page) */ +#define PHY_AUTONEG_EXP_REG 6 /* Autoneg Expansion Reg */ +#define PHY_NEXT_PAGE_TX_REG 7 /* Next Page TX */ +#define PHY_LP_NEXT_PAGE_REG 8 /* Link Partner Next Page */ +#define PHY_1000T_CTRL_REG 9 /* 1000Base-T Control Reg */ +#define PHY_1000T_STATUS_REG 10 /* 1000Base-T Status Reg */ +#define PHY_EXT_STATUS_REG 11 /* Extended Status Reg */ + +/* + * PHY Register bit masks. + */ +#define PHY_CTRL_RESET (1 << 15) +#define PHY_CTRL_LOOPBACK (1 << 14) +#define PHY_CTRL_SPEED0 (1 << 13) +#define PHY_CTRL_AN_EN (1 << 12) +#define PHY_CTRL_PWR_DN (1 << 11) +#define PHY_CTRL_ISOLATE (1 << 10) +#define PHY_CTRL_RESTART_AN (1 << 9) +#define PHY_CTRL_FULL_DUPLEX (1 << 8) +#define PHY_CTRL_CT_EN (1 << 7) +#define PHY_CTRL_SPEED1 (1 << 6) + +#define PHY_STAT_100BASE_T4 (1 << 15) +#define PHY_STAT_100BASE_X_FD (1 << 14) +#define PHY_STAT_100BASE_X_HD (1 << 13) +#define PHY_STAT_10BASE_T_FD (1 << 12) +#define PHY_STAT_10BASE_T_HD (1 << 11) +#define PHY_STAT_100BASE_T2_FD (1 << 10) +#define PHY_STAT_100BASE_T2_HD (1 << 9) +#define PHY_STAT_EXT_STAT (1 << 8) +#define PHY_STAT_RESERVED (1 << 7) +#define PHY_STAT_MFPS (1 << 6) /* Management Frames Preamble Suppression */ +#define PHY_STAT_AN_COMPLETE (1 << 5) +#define PHY_STAT_REM_FAULT (1 << 4) +#define PHY_STAT_AN_CAP (1 << 3) +#define PHY_STAT_LINK_UP (1 << 2) +#define PHY_STAT_JABBER (1 << 1) +#define PHY_STAT_EXT_CAP (1 << 0) + +#define TBI_CONTROL_2 0x11 +#define TBI_CONTROL_2_ENABLE_COMMA_DETECT 0x0001 +#define TBI_CONTROL_2_ENABLE_WRAP 0x0002 +#define TBI_CONTROL_2_G_MII_MODE 0x0010 +#define TBI_CONTROL_2_RECEIVE_CLOCK_SELECT 0x0020 +#define TBI_CONTROL_2_AUTO_NEGOTIATION_SENSE 0x0100 +#define TBI_CONTROL_2_DISABLE_TRANSMIT_RUNNING_DISPARITY 0x1000 +#define TBI_CONTROL_2_DISABLE_RECEIVE_RUNNING_DISPARITY 0x2000 +#define TBI_CONTROL_2_SHORTCUT_LINK_TIMER 0x4000 +#define TBI_CONTROL_2_SOFT_RESET 0x8000 + +/* marvel specific */ +#define MV1111_EXT_CTRL1_REG 16 /* PHY Specific Control Reg */ +#define MV1111_SPEC_STAT_REG 17 /* PHY Specific Status Reg */ +#define MV1111_EXT_CTRL2_REG 20 /* Extended PHY Specific Control Reg */ + +/* + * MARVELL 88E1111 PHY register bit masks + */ +/* PHY Specific Status Register (MV1111_EXT_CTRL1_REG) */ + +#define SPEC_STAT_SPEED_MASK (3 << 14) +#define SPEC_STAT_FULL_DUP (1 << 13) +#define SPEC_STAT_PAGE_RCVD (1 << 12) +#define SPEC_STAT_RESOLVED (1 << 11) /* Speed and Duplex Resolved */ +#define SPEC_STAT_LINK_UP (1 << 10) +#define SPEC_STAT_CABLE_LEN_MASK (7 << 7)/* Cable Length (100/1000 modes only) */ +#define SPEC_STAT_MDIX (1 << 6) +#define SPEC_STAT_POLARITY (1 << 1) +#define SPEC_STAT_JABBER (1 << 0) + +#define SPEED_1000 (2 << 14) +#define SPEED_100 (1 << 14) +#define SPEED_10 (0 << 14) + +#define TBI_ADDR 0x1E /* Ten Bit Interface address */ + +/* negotiated link parameters */ +#define LINK_SPEED_UNKNOWN 0 +#define LINK_SPEED_10 1 +#define LINK_SPEED_100 2 +#define LINK_SPEED_1000 3 + +#define LINK_DUPLEX_UNKNOWN 0 +#define LINK_DUPLEX_HALF 1 +#define LINK_DUPLEX_FULL 2 + +static unsigned int phy_address[] = { 8, 9 }; + +#define vuint32 volatile u32 + +/* TX/RX buffer descriptors. MUST be cache line aligned in memory. (32 byte) + * This structure is accessed by the ethernet DMA engine which means it + * MUST be in LITTLE ENDIAN format */ +struct dma_descriptor { + vuint32 start_addr0; /* buffer address, least significant bytes. */ + vuint32 start_addr1; /* buffer address, most significant bytes. */ + vuint32 next_descr_addr0;/* next descriptor address, least significant bytes. Must be 64-bit aligned. */ + vuint32 next_descr_addr1;/* next descriptor address, most significant bytes. */ + vuint32 vlan_byte_count;/* VLAN tag(top 2 bytes) and byte countt (bottom 2 bytes). */ + vuint32 config_status; /* Configuration/Status. */ + vuint32 reserved1; /* reserved to make the descriptor cache line aligned. */ + vuint32 reserved2; /* reserved to make the descriptor cache line aligned. */ +}; + +/* last next descriptor address flag */ +#define DMA_DESCR_LAST (1 << 31) + +/* TX DMA descriptor config status bits */ +#define DMA_DESCR_TX_EOF (1 << 0) /* end of frame */ +#define DMA_DESCR_TX_SOF (1 << 1) /* start of frame */ +#define DMA_DESCR_TX_PFVLAN (1 << 2) +#define DMA_DESCR_TX_HUGE (1 << 3) +#define DMA_DESCR_TX_PAD (1 << 4) +#define DMA_DESCR_TX_CRC (1 << 5) +#define DMA_DESCR_TX_DESCR_INT (1 << 14) +#define DMA_DESCR_TX_RETRY_COUNT 0x000F0000 +#define DMA_DESCR_TX_ONE_COLLISION (1 << 20) +#define DMA_DESCR_TX_LATE_COLLISION (1 << 24) +#define DMA_DESCR_TX_UNDERRUN (1 << 25) +#define DMA_DESCR_TX_RETRY_LIMIT (1 << 26) +#define DMA_DESCR_TX_OK (1 << 30) +#define DMA_DESCR_TX_OWNER (1 << 31) + +/* RX DMA descriptor status bits */ +#define DMA_DESCR_RX_EOF (1 << 0) +#define DMA_DESCR_RX_SOF (1 << 1) +#define DMA_DESCR_RX_VTF (1 << 2) +#define DMA_DESCR_RX_FRAME_IS_TYPE (1 << 3) +#define DMA_DESCR_RX_SHORT_FRAME (1 << 4) +#define DMA_DESCR_RX_HASH_MATCH (1 << 7) +#define DMA_DESCR_RX_BAD_FRAME (1 << 8) +#define DMA_DESCR_RX_OVERRUN (1 << 9) +#define DMA_DESCR_RX_MAX_FRAME_LEN (1 << 11) +#define DMA_DESCR_RX_CRC_ERROR (1 << 12) +#define DMA_DESCR_RX_DESCR_INT (1 << 13) +#define DMA_DESCR_RX_OWNER (1 << 15) + +#define RX_BUFFER_SIZE PKTSIZE +#define NUM_RX_DESC PKTBUFSRX + +static struct dma_descriptor tx_descriptor __attribute__ ((aligned(32))); + +static struct dma_descriptor rx_descr_array[NUM_RX_DESC] + __attribute__ ((aligned(32))); + +static struct dma_descriptor *rx_descr_current; + +static int tsi108_eth_probe (struct eth_device *dev, bd_t * bis); +static int tsi108_eth_send (struct eth_device *dev, + volatile void *packet, int length); +static int tsi108_eth_recv (struct eth_device *dev); +static void tsi108_eth_halt (struct eth_device *dev); +static unsigned int read_phy (unsigned int base, + unsigned int phy_addr, unsigned int phy_reg); +static void write_phy (unsigned int base, + unsigned int phy_addr, + unsigned int phy_reg, unsigned int phy_data); + +#if TSI108_ETH_DEBUG > 100 +/* + * print phy debug infomation + */ +static void dump_phy_regs (unsigned int phy_addr) +{ + int i; + + printf ("PHY %d registers\n", phy_addr); + for (i = 0; i <= 30; i++) { + printf ("%2d 0x%04x\n", i, read_phy (ETH_BASE, phy_addr, i)); + } + printf ("\n"); + +} +#else +#define dump_phy_regs(base) do{}while(0) +#endif + +#if TSI108_ETH_DEBUG > 100 +/* + * print debug infomation + */ +static void tx_diag_regs (unsigned int base) +{ + int i; + unsigned long dummy; + + printf ("TX diagnostics registers\n"); + reg_TX_DIAGNOSTIC_ADDR(base) = 0x00 | TX_DIAGNOSTIC_ADDR_AI; + udelay (1000); + dummy = reg_TX_DIAGNOSTIC_DATA(base); + for (i = 0x00; i <= 0x05; i++) { + udelay (1000); + printf ("0x%02x 0x%08x\n", i, reg_TX_DIAGNOSTIC_DATA(base)); + } + reg_TX_DIAGNOSTIC_ADDR(base) = 0x40 | TX_DIAGNOSTIC_ADDR_AI; + udelay (1000); + dummy = reg_TX_DIAGNOSTIC_DATA(base); + for (i = 0x40; i <= 0x47; i++) { + udelay (1000); + printf ("0x%02x 0x%08x\n", i, reg_TX_DIAGNOSTIC_DATA(base)); + } + printf ("\n"); + +} +#else +#define tx_diag_regs(base) do{}while(0) +#endif + +#if TSI108_ETH_DEBUG > 100 +/* + * print debug infomation + */ +static void rx_diag_regs (unsigned int base) +{ + int i; + unsigned long dummy; + + printf ("RX diagnostics registers\n"); + reg_RX_DIAGNOSTIC_ADDR(base) = 0x00 | RX_DIAGNOSTIC_ADDR_AI; + udelay (1000); + dummy = reg_RX_DIAGNOSTIC_DATA(base); + for (i = 0x00; i <= 0x05; i++) { + udelay (1000); + printf ("0x%02x 0x%08x\n", i, reg_RX_DIAGNOSTIC_DATA(base)); + } + reg_RX_DIAGNOSTIC_ADDR(base) = 0x40 | RX_DIAGNOSTIC_ADDR_AI; + udelay (1000); + dummy = reg_RX_DIAGNOSTIC_DATA(base); + for (i = 0x08; i <= 0x0a; i++) { + udelay (1000); + printf ("0x%02x 0x%08x\n", i, reg_RX_DIAGNOSTIC_DATA(base)); + } + printf ("\n"); + +} +#else +#define rx_diag_regs(base) do{}while(0) +#endif + +#if TSI108_ETH_DEBUG > 100 +/* + * print debug infomation + */ +static void debug_mii_regs (unsigned int base) +{ + printf ("MII_MGMT_CONFIG 0x%08x\n", reg_MII_MGMT_CONFIG(base)); + printf ("MII_MGMT_COMMAND 0x%08x\n", reg_MII_MGMT_COMMAND(base)); + printf ("MII_MGMT_ADDRESS 0x%08x\n", reg_MII_MGMT_ADDRESS(base)); + printf ("MII_MGMT_CONTROL 0x%08x\n", reg_MII_MGMT_CONTROL(base)); + printf ("MII_MGMT_STATUS 0x%08x\n", reg_MII_MGMT_STATUS(base)); + printf ("MII_MGMT_INDICATORS 0x%08x\n", reg_MII_MGMT_INDICATORS(base)); + printf ("\n"); + +} +#else +#define debug_mii_regs(base) do{}while(0) +#endif + +/* + * Wait until the phy bus is non-busy + */ +static void phy_wait (unsigned int base, unsigned int condition) +{ + int timeout; + + timeout = 0; + while (reg_MII_MGMT_INDICATORS(base) & condition) { + udelay (10); + if (++timeout > 10000) { + printf ("ERROR: timeout waiting for phy bus (%d)\n", + condition); + break; + } + } +} + +/* + * read phy register + */ +static unsigned int read_phy (unsigned int base, + unsigned int phy_addr, unsigned int phy_reg) +{ + unsigned int value; + + phy_wait (base, MII_MGMT_INDICATORS_BUSY); + + reg_MII_MGMT_ADDRESS(base) = (phy_addr << 8) | phy_reg; + + /* Ensure that the Read Cycle bit is cleared prior to next read cycle */ + reg_MII_MGMT_COMMAND(base) = 0; + + /* start the read */ + reg_MII_MGMT_COMMAND(base) = MII_MGMT_COMMAND_READ_CYCLE; + + /* wait for the read to complete */ + phy_wait (base, + MII_MGMT_INDICATORS_NOT_VALID | MII_MGMT_INDICATORS_BUSY); + + value = reg_MII_MGMT_STATUS(base); + + reg_MII_MGMT_COMMAND(base) = 0; + + return value; +} + +/* + * write phy register + */ +static void write_phy (unsigned int base, + unsigned int phy_addr, + unsigned int phy_reg, unsigned int phy_data) +{ + phy_wait (base, MII_MGMT_INDICATORS_BUSY); + + reg_MII_MGMT_ADDRESS(base) = (phy_addr << 8) | phy_reg; + + /* Ensure that the Read Cycle bit is cleared prior to next cycle */ + reg_MII_MGMT_COMMAND(base) = 0; + + /* start the write */ + reg_MII_MGMT_CONTROL(base) = phy_data; +} + +/* + * configure the marvell 88e1111 phy + */ +static int marvell_88e_phy_config (struct eth_device *dev, int *speed, + int *duplex) +{ + unsigned long base; + unsigned long phy_addr; + unsigned int phy_status; + unsigned int phy_spec_status; + int timeout; + int phy_speed; + int phy_duplex; + unsigned int value; + + phy_speed = LINK_SPEED_UNKNOWN; + phy_duplex = LINK_DUPLEX_UNKNOWN; + + base = dev->iobase; + phy_addr = (unsigned long)dev->priv; + + /* Take the PHY out of reset. */ + write_phy (ETH_BASE, phy_addr, PHY_CTRL_REG, PHY_CTRL_RESET); + + /* Wait for the reset process to complete. */ + udelay (10); + timeout = 0; + while ((phy_status = + read_phy (ETH_BASE, phy_addr, PHY_CTRL_REG)) & PHY_CTRL_RESET) { + udelay (10); + if (++timeout > 10000) { + printf ("ERROR: timeout waiting for phy reset\n"); + break; + } + } + + /* TBI Configuration. */ + write_phy (base, TBI_ADDR, TBI_CONTROL_2, TBI_CONTROL_2_G_MII_MODE | + TBI_CONTROL_2_RECEIVE_CLOCK_SELECT); + /* Wait for the link to be established. */ + timeout = 0; + do { + udelay (20000); + phy_status = read_phy (ETH_BASE, phy_addr, PHY_STATUS_REG); + if (++timeout > 100) { + debug_lev(1, "ERROR: unable to establish link!!!\n"); + break; + } + } while ((phy_status & PHY_STAT_LINK_UP) == 0); + + if ((phy_status & PHY_STAT_LINK_UP) == 0) + return 0; + + value = 0; + phy_spec_status = read_phy (ETH_BASE, phy_addr, MV1111_SPEC_STAT_REG); + if (phy_spec_status & SPEC_STAT_RESOLVED) { + switch (phy_spec_status & SPEC_STAT_SPEED_MASK) { + case SPEED_1000: + phy_speed = LINK_SPEED_1000; + value |= PHY_CTRL_SPEED1; + break; + case SPEED_100: + phy_speed = LINK_SPEED_100; + value |= PHY_CTRL_SPEED0; + break; + case SPEED_10: + phy_speed = LINK_SPEED_10; + break; + } + if (phy_spec_status & SPEC_STAT_FULL_DUP) { + phy_duplex = LINK_DUPLEX_FULL; + value |= PHY_CTRL_FULL_DUPLEX; + } else + phy_duplex = LINK_DUPLEX_HALF; + } + /* set TBI speed */ + write_phy (base, TBI_ADDR, PHY_CTRL_REG, value); + write_phy (base, TBI_ADDR, PHY_AN_ADV_REG, 0x0060); + +#if TSI108_ETH_DEBUG > 0 + printf ("%s link is up", dev->name); + phy_spec_status = read_phy (ETH_BASE, phy_addr, MV1111_SPEC_STAT_REG); + if (phy_spec_status & SPEC_STAT_RESOLVED) { + switch (phy_speed) { + case LINK_SPEED_1000: + printf (", 1000 Mbps"); + break; + case LINK_SPEED_100: + printf (", 100 Mbps"); + break; + case LINK_SPEED_10: + printf (", 10 Mbps"); + break; + } + if (phy_duplex == LINK_DUPLEX_FULL) + printf (", Full duplex"); + else + printf (", Half duplex"); + } + printf ("\n"); +#endif + + dump_phy_regs (TBI_ADDR); + if (speed) + *speed = phy_speed; + if (duplex) + *duplex = phy_duplex; + + return 1; +} + +/* + * External interface + * + * register the tsi108 ethernet controllers with the multi-ethernet system + */ +int tsi108_eth_initialize (bd_t * bis) +{ + struct eth_device *dev; + int index; + + for (index = 0; index < CONFIG_TSI108_ETH_NUM_PORTS; index++) { + dev = (struct eth_device *)malloc(sizeof(struct eth_device)); + + sprintf (dev->name, "TSI108_eth%d", index); + + dev->iobase = ETH_BASE + (index * ETH_PORT_OFFSET); + dev->priv = (void *)(phy_address[index]); + dev->init = tsi108_eth_probe; + dev->halt = tsi108_eth_halt; + dev->send = tsi108_eth_send; + dev->recv = tsi108_eth_recv; + + eth_register(dev); + } + return index; +} + +/* + * probe for and initialize a single ethernet interface + */ +static int tsi108_eth_probe (struct eth_device *dev, bd_t * bis) +{ + unsigned long base; + unsigned long value; + int index; + struct dma_descriptor *tx_descr; + struct dma_descriptor *rx_descr; + int speed; + int duplex; + + base = dev->iobase; + + reg_PORT_CONTROL(base) = PORT_CONTROL_STE | PORT_CONTROL_BPT; + + /* Bring DMA/FIFO out of reset. */ + reg_TX_CONFIG(base) = 0x00000000; + reg_RX_CONFIG(base) = 0x00000000; + + reg_TX_THRESHOLDS(base) = (192 << 16) | 192; + reg_RX_THRESHOLDS(base) = (192 << 16) | 112; + + /* Bring MAC out of reset. */ + reg_MAC_CONFIG_1(base) = 0x00000000; + + /* DMA MAC configuration. */ + reg_MAC_CONFIG_1(base) = + MAC_CONFIG_1_RX_ENABLE | MAC_CONFIG_1_TX_ENABLE; + + reg_MII_MGMT_CONFIG(base) = MII_MGMT_CONFIG_NO_PREAMBLE; + reg_MAXIMUM_FRAME_LENGTH(base) = RX_BUFFER_SIZE; + + /* Note: Early tsi108 manual did not have correct byte order + * for the station address.*/ + reg_STATION_ADDRESS_1(base) = (dev->enetaddr[5] << 24) | + (dev->enetaddr[4] << 16) | + (dev->enetaddr[3] << 8) | (dev->enetaddr[2] << 0); + + reg_STATION_ADDRESS_2(base) = (dev->enetaddr[1] << 24) | + (dev->enetaddr[0] << 16); + + if (marvell_88e_phy_config(dev, &speed, &duplex) == 0) + return 0; + + value = + MAC_CONFIG_2_PREAMBLE_LENGTH(7) | MAC_CONFIG_2_PAD_CRC | + MAC_CONFIG_2_CRC_ENABLE; + if (speed == LINK_SPEED_1000) + value |= MAC_CONFIG_2_INTERFACE_MODE(INTERFACE_MODE_BYTE); + else { + value |= MAC_CONFIG_2_INTERFACE_MODE(INTERFACE_MODE_NIBBLE); + reg_PORT_CONTROL(base) |= PORT_CONTROL_SPD; + } + if (duplex == LINK_DUPLEX_FULL) { + value |= MAC_CONFIG_2_FULL_DUPLEX; + reg_PORT_CONTROL(base) &= ~PORT_CONTROL_BPT; + } else + reg_PORT_CONTROL(base) |= PORT_CONTROL_BPT; + reg_MAC_CONFIG_2(base) = value; + + reg_RX_CONFIG(base) = RX_CONFIG_SE; + reg_RX_QUEUE_0_CONFIG(base) = OCN_PORT_MEMORY; + reg_RX_QUEUE_0_BUF_CONFIG(base) = OCN_PORT_MEMORY; + + /* initialize the RX DMA descriptors */ + rx_descr = &rx_descr_array[0]; + rx_descr_current = rx_descr; + for (index = 0; index < NUM_RX_DESC; index++) { + /* make sure the receive buffers are not in cache */ + invalidate_dcache_range((unsigned long)NetRxPackets[index], + (unsigned long)NetRxPackets[index] + + RX_BUFFER_SIZE); + rx_descr->start_addr0 = + cpu_to_le32((vuint32) NetRxPackets[index]); + rx_descr->start_addr1 = 0; + rx_descr->next_descr_addr0 = + cpu_to_le32((vuint32) (rx_descr + 1)); + rx_descr->next_descr_addr1 = 0; + rx_descr->vlan_byte_count = 0; + rx_descr->config_status = cpu_to_le32((RX_BUFFER_SIZE << 16) | + DMA_DESCR_RX_OWNER); + rx_descr++; + } + rx_descr--; + rx_descr->next_descr_addr0 = 0; + rx_descr->next_descr_addr1 = cpu_to_le32(DMA_DESCR_LAST); + /* Push the descriptors to RAM so the ethernet DMA can see them */ + invalidate_dcache_range((unsigned long)rx_descr_array, + (unsigned long)rx_descr_array + + sizeof(rx_descr_array)); + + /* enable RX queue */ + reg_RX_CONTROL(base) = TX_CONTROL_GO | 0x01; + reg_RX_QUEUE_0_PTR_LOW(base) = (u32) rx_descr_current; + /* enable receive DMA */ + reg_RX_QUEUE_0_PTR_HIGH(base) = RX_QUEUE_0_PTR_HIGH_VALID; + + reg_TX_QUEUE_0_CONFIG(base) = OCN_PORT_MEMORY; + reg_TX_QUEUE_0_BUF_CONFIG(base) = OCN_PORT_MEMORY; + + /* initialize the TX DMA descriptor */ + tx_descr = &tx_descriptor; + + tx_descr->start_addr0 = 0; + tx_descr->start_addr1 = 0; + tx_descr->next_descr_addr0 = 0; + tx_descr->next_descr_addr1 = cpu_to_le32(DMA_DESCR_LAST); + tx_descr->vlan_byte_count = 0; + tx_descr->config_status = cpu_to_le32(DMA_DESCR_TX_OK | + DMA_DESCR_TX_SOF | + DMA_DESCR_TX_EOF); + /* enable TX queue */ + reg_TX_CONTROL(base) = TX_CONTROL_GO | 0x01; + + return 1; +} + +/* + * send a packet + */ +static int tsi108_eth_send (struct eth_device *dev, + volatile void *packet, int length) +{ + unsigned long base; + int timeout; + struct dma_descriptor *tx_descr; + unsigned long status; + + base = dev->iobase; + tx_descr = &tx_descriptor; + + /* Wait until the last packet has been transmitted. */ + timeout = 0; + do { + /* make sure we see the changes made by the DMA engine */ + invalidate_dcache_range((unsigned long)tx_descr, + (unsigned long)tx_descr + + sizeof(struct dma_descriptor)); + + if (timeout != 0) + udelay (15); + if (++timeout > 10000) { + tx_diag_regs(base); + debug_lev(1, + "ERROR: timeout waiting for last transmit packet to be sent\n"); + return 0; + } + } while (tx_descr->config_status & cpu_to_le32(DMA_DESCR_TX_OWNER)); + + status = le32_to_cpu(tx_descr->config_status); + if ((status & DMA_DESCR_TX_OK) == 0) { +#ifdef TX_PRINT_ERRORS + printf ("TX packet error: 0x%08x\n %s%s%s%s\n", status, + status & DMA_DESCR_TX_OK ? "tx error, " : "", + status & DMA_DESCR_TX_RETRY_LIMIT ? + "retry limit reached, " : "", + status & DMA_DESCR_TX_UNDERRUN ? "underrun, " : "", + status & DMA_DESCR_TX_LATE_COLLISION ? "late collision, " + : ""); +#endif + } + + debug_lev (9, "sending packet %d\n", length); + tx_descr->start_addr0 = cpu_to_le32((vuint32) packet); + tx_descr->start_addr1 = 0; + tx_descr->next_descr_addr0 = 0; + tx_descr->next_descr_addr1 = cpu_to_le32(DMA_DESCR_LAST); + tx_descr->vlan_byte_count = cpu_to_le32(length); + tx_descr->config_status = cpu_to_le32(DMA_DESCR_TX_OWNER | + DMA_DESCR_TX_CRC | + DMA_DESCR_TX_PAD | + DMA_DESCR_TX_SOF | + DMA_DESCR_TX_EOF); + + invalidate_dcache_range((unsigned long)tx_descr, + (unsigned long)tx_descr + + sizeof(struct dma_descriptor)); + + invalidate_dcache_range((unsigned long)packet, + (unsigned long)packet + length); + + reg_TX_QUEUE_0_PTR_LOW(base) = (u32) tx_descr; + reg_TX_QUEUE_0_PTR_HIGH(base) = TX_QUEUE_0_PTR_HIGH_VALID; + + return length; +} + +/* + * Check for received packets and send them up the protocal stack + */ +static int tsi108_eth_recv (struct eth_device *dev) +{ + struct dma_descriptor *rx_descr; + unsigned long base; + int length = 0; + unsigned long status; + volatile uchar *buffer; + + base = dev->iobase; + + /* make sure we see the changes made by the DMA engine */ + invalidate_dcache_range ((unsigned long)rx_descr_array, + (unsigned long)rx_descr_array + + sizeof(rx_descr_array)); + + /* process all of the received packets */ + rx_descr = rx_descr_current; + while ((rx_descr->config_status & cpu_to_le32(DMA_DESCR_RX_OWNER)) == 0) { + /* check for error */ + status = le32_to_cpu(rx_descr->config_status); + if (status & DMA_DESCR_RX_BAD_FRAME) { +#ifdef RX_PRINT_ERRORS + printf ("RX packet error: 0x%08x\n %s%s%s%s%s%s\n", + status, + status & DMA_DESCR_RX_FRAME_IS_TYPE ? "too big, " + : "", + status & DMA_DESCR_RX_SHORT_FRAME ? "too short, " + : "", + status & DMA_DESCR_RX_BAD_FRAME ? "bad frame, " : + "", + status & DMA_DESCR_RX_OVERRUN ? "overrun, " : "", + status & DMA_DESCR_RX_MAX_FRAME_LEN ? + "max length, " : "", + status & DMA_DESCR_RX_CRC_ERROR ? "CRC error, " : + ""); +#endif + } else { + length = + le32_to_cpu(rx_descr->vlan_byte_count) & 0xFFFF; + + /*** process packet ***/ + buffer = + (volatile uchar + *)(le32_to_cpu (rx_descr->start_addr0)); + NetReceive (buffer, length); + + invalidate_dcache_range ((unsigned long)buffer, + (unsigned long)buffer + + RX_BUFFER_SIZE); + } + /* Give this buffer back to the DMA engine */ + rx_descr->vlan_byte_count = 0; + rx_descr->config_status = cpu_to_le32 ((RX_BUFFER_SIZE << 16) | + DMA_DESCR_RX_OWNER); + /* move descriptor pointer forward */ + rx_descr = + (struct dma_descriptor + *)(le32_to_cpu (rx_descr->next_descr_addr0)); + if (rx_descr == 0) + rx_descr = &rx_descr_array[0]; + } + /* remember where we are for next time */ + rx_descr_current = rx_descr; + + /* If the DMA engine has reached the end of the queue + * start over at the begining */ + if (reg_RX_EXTENDED_STATUS(base) & RX_EXTENDED_STATUS_EOQ_0) { + + reg_RX_EXTENDED_STATUS(base) = RX_EXTENDED_STATUS_EOQ_0; + reg_RX_QUEUE_0_PTR_LOW(base) = (u32) & rx_descr_array[0]; + reg_RX_QUEUE_0_PTR_HIGH(base) = RX_QUEUE_0_PTR_HIGH_VALID; + } + + return length; +} + +/* + * disable an ethernet interface + */ +static void tsi108_eth_halt (struct eth_device *dev) +{ + unsigned long base; + + base = dev->iobase; + + /* Put DMA/FIFO into reset state. */ + reg_TX_CONFIG(base) = TX_CONFIG_RST; + reg_RX_CONFIG(base) = RX_CONFIG_RST; + + /* Put MAC into reset state. */ + reg_MAC_CONFIG_1(base) = MAC_CONFIG_1_SOFT_RESET; +} + +#endif diff --git a/drivers/tsi108_i2c.c b/drivers/tsi108_i2c.c new file mode 100644 index 0000000..eb52cb6 --- /dev/null +++ b/drivers/tsi108_i2c.c @@ -0,0 +1,283 @@ +/* + * (C) Copyright 2004 Tundra Semiconductor Corp. + * Author: Alex Bounine + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#include <config.h> +#include <common.h> + +#ifdef CONFIG_TSI108_I2C +#include <tsi108.h> + +#if (CONFIG_COMMANDS & CFG_CMD_I2C) + +#define I2C_DELAY 100000 +#undef DEBUG_I2C + +#ifdef DEBUG_I2C +#define DPRINT(x) printf (x) +#else +#define DPRINT(x) +#endif + +/* All functions assume that Tsi108 I2C block is the only master on the bus */ +/* I2C read helper function */ + +static int i2c_read_byte ( + uint i2c_chan, /* I2C channel number: 0 - main, 1 - SDC SPD */ + uchar chip_addr,/* I2C device address on the bus */ + uint byte_addr, /* Byte address within I2C device */ + uchar * buffer /* pointer to data buffer */ + ) +{ + u32 temp; + u32 to_count = I2C_DELAY; + u32 op_status = TSI108_I2C_TIMEOUT_ERR; + u32 chan_offset = TSI108_I2C_OFFSET; + + DPRINT (("I2C read_byte() %d 0x%02x 0x%02x\n", + i2c_chan, chip_addr, byte_addr)); + + if (0 != i2c_chan) + chan_offset = TSI108_I2C_SDRAM_OFFSET; + + /* Check if I2C operation is in progress */ + temp = *(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2); + + if (0 == (temp & (I2C_CNTRL2_RD_STATUS | I2C_CNTRL2_WR_STATUS | + I2C_CNTRL2_START))) { + /* Set device address and operation (read = 0) */ + temp = (byte_addr << 16) | ((chip_addr & 0x07) << 8) | + ((chip_addr >> 3) & 0x0F); + *(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL1) = + temp; + + /* Issue the read command + * (at this moment all other parameters are 0 + * (size = 1 byte, lane = 0) + */ + + *(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2) = + (I2C_CNTRL2_START); + + /* Wait until operation completed */ + do { + /* Read I2C operation status */ + temp = *(u32 *) (CFG_TSI108_CSR_BASE + chan_offset + I2C_CNTRL2); + + if (0 == (temp & (I2C_CNTRL2_RD_STATUS | I2C_CNTRL2_START))) { + if (0 == (temp & + (I2C_CNTRL2_I2C_CFGERR | + I2C_CNTRL2_I2C_TO_ERR)) + ) { + op_status = TSI108_I2C_SUCCESS; + + temp = *(u32 *) (CFG_TSI108_CSR_BASE + + chan_offset + + I2C_RD_DATA); + + *buffer = (u8) (temp & 0xFF); + } else { + /* report HW error */ + op_status = TSI108_I2C_IF_ERROR; + + DPRINT (("I2C HW error reported: 0x%02x\n", temp)); + } + + break; + } + } while (to_count--); + } else { + op_status = TSI108_I2C_IF_BUSY; + + DPRINT (("I2C Transaction start failed: 0x%02x\n", temp)); + } + + DPRINT (("I2C read_byte() status: 0x%02x\n", op_status)); + return op_status; +} + +/* + * I2C Read interface as defined in "include/i2c.h" : + * chip_addr: I2C chip address, range 0..127 + * (to read from SPD channel EEPROM use (0xD0 ... 0xD7) + * NOTE: The bit 7 in the chip_addr serves as a channel select. + * This hack is for enabling "isdram" command on Tsi108 boards + * without changes to common code. Used for I2C reads only. + * byte_addr: Memory or register address within the chip + * alen: Number of bytes to use for addr (typically 1, 2 for larger + * memories, 0 for register type devices with only one + * register) + * buffer: Pointer to destination buffer for data to be read + * len: How many bytes to read + * + * Returns: 0 on success, not 0 on failure + */ + +int i2c_read (uchar chip_addr, uint byte_addr, int alen, + uchar * buffer, int len) +{ + u32 op_status = TSI108_I2C_PARAM_ERR; + u32 i2c_if = 0; + + /* Hack to support second (SPD) I2C controller (SPD EEPROM read only).*/ + if (0xD0 == (chip_addr & ~0x07)) { + i2c_if = 1; + chip_addr &= 0x7F; + } + /* Check for valid I2C address */ + if (chip_addr <= 0x7F && (byte_addr + len) <= (0x01 << (alen * 8))) { + while (len--) { + op_status = i2c_read_byte(i2c_if, chip_addr, byte_addr++, buffer++); + + if (TSI108_I2C_SUCCESS != op_status) { + DPRINT (("I2C read_byte() failed: 0x%02x (%d left)\n", op_status, len)); + + break; + } + } + } + + DPRINT (("I2C read() status: 0x%02x\n", op_status)); + return op_status; +} + +/* I2C write helper function */ + +static int i2c_write_byte (uchar chip_addr,/* I2C device address on the bus */ + uint byte_addr, /* Byte address within I2C device */ + uchar * buffer /* pointer to data buffer */ + ) +{ + u32 temp; + u32 to_count = I2C_DELAY; + u32 op_status = TSI108_I2C_TIMEOUT_ERR; + + /* Check if I2C operation is in progress */ + temp = *(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET + I2C_CNTRL2); + + if (0 == (temp & (I2C_CNTRL2_RD_STATUS | I2C_CNTRL2_WR_STATUS | I2C_CNTRL2_START))) { + /* Place data into the I2C Tx Register */ + *(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET + + I2C_TX_DATA) = (u32) * buffer; + + /* Set device address and operation */ + temp = + I2C_CNTRL1_I2CWRITE | (byte_addr << 16) | + ((chip_addr & 0x07) << 8) | ((chip_addr >> 3) & 0x0F); + *(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET + + I2C_CNTRL1) = temp; + + /* Issue the write command (at this moment all other parameters + * are 0 (size = 1 byte, lane = 0) + */ + + *(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET + + I2C_CNTRL2) = (I2C_CNTRL2_START); + + op_status = TSI108_I2C_TIMEOUT_ERR; + + /* Wait until operation completed */ + do { + /* Read I2C operation status */ + temp = *(u32 *) (CFG_TSI108_CSR_BASE + TSI108_I2C_OFFSET + I2C_CNTRL2); + + if (0 == (temp & (I2C_CNTRL2_WR_STATUS | I2C_CNTRL2_START))) { + if (0 == (temp & + (I2C_CNTRL2_I2C_CFGERR | + I2C_CNTRL2_I2C_TO_ERR))) { + op_status = TSI108_I2C_SUCCESS; + } else { + /* report detected HW error */ + op_status = TSI108_I2C_IF_ERROR; + + DPRINT (("I2C HW error reported: 0x%02x\n", temp)); + } + + break; + } + + } while (to_count--); + } else { + op_status = TSI108_I2C_IF_BUSY; + + DPRINT (("I2C Transaction start failed: 0x%02x\n", temp)); + } + + return op_status; +} + +/* + * I2C Write interface as defined in "include/i2c.h" : + * chip_addr: I2C chip address, range 0..127 + * byte_addr: Memory or register address within the chip + * alen: Number of bytes to use for addr (typically 1, 2 for larger + * memories, 0 for register type devices with only one + * register) + * buffer: Pointer to data to be written + * len: How many bytes to write + * + * Returns: 0 on success, not 0 on failure + */ + +int i2c_write (uchar chip_addr, uint byte_addr, int alen, uchar * buffer, + int len) +{ + u32 op_status = TSI108_I2C_PARAM_ERR; + + /* Check for valid I2C address */ + if (chip_addr <= 0x7F && (byte_addr + len) <= (0x01 << (alen * 8))) { + while (len--) { + op_status = + i2c_write_byte (chip_addr, byte_addr++, buffer++); + + if (TSI108_I2C_SUCCESS != op_status) { + DPRINT (("I2C write_byte() failed: 0x%02x (%d left)\n", op_status, len)); + + break; + } + } + } + + return op_status; +} + +/* + * I2C interface function as defined in "include/i2c.h". + * Probe the given I2C chip address by reading single byte from offset 0. + * Returns 0 if a chip responded, not 0 on failure. + */ + +int i2c_probe (uchar chip) +{ + u32 tmp; + + /* + * Try to read the first location of the chip. + * The Tsi108 HW doesn't support sending just the chip address + * and checkong for an <ACK> back. + */ + return i2c_read (chip, 0, 1, (char *)&tmp, 1); +} + +#endif /* (CONFIG_COMMANDS & CFG_CMD_I2C) */ +#endif /* CONFIG_TSI108_I2C */ diff --git a/drivers/tsi108_pci.c b/drivers/tsi108_pci.c new file mode 100644 index 0000000..9f606df --- /dev/null +++ b/drivers/tsi108_pci.c @@ -0,0 +1,178 @@ +/* + * (C) Copyright 2004 Tundra Semiconductor Corp. + * Alex Bounine <alexandreb@tundra.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * PCI initialisation for the Tsi108 EMU board. + */ + +#include <config.h> + +#ifdef CONFIG_TSI108_PCI + +#include <common.h> +#include <pci.h> +#include <asm/io.h> +#include <tsi108.h> + +struct pci_controller local_hose; + +void tsi108_clear_pci_error (void) +{ + u32 err_stat, err_addr, pci_stat; + + /* + * Quietly clear errors signalled as result of PCI/X configuration read + * requests. + */ + /* Read PB Error Log Registers */ + err_stat = *(volatile u32 *)(CFG_TSI108_CSR_BASE + + TSI108_PB_REG_OFFSET + PB_ERRCS); + err_addr = *(volatile u32 *)(CFG_TSI108_CSR_BASE + + TSI108_PB_REG_OFFSET + PB_AERR); + if (err_stat & PB_ERRCS_ES) { + /* Clear PCI/X bus errors if applicable */ + if ((err_addr & 0xFF000000) == CFG_PCI_CFG_BASE) { + /* Clear error flag */ + *(u32 *) (CFG_TSI108_CSR_BASE + + TSI108_PB_REG_OFFSET + PB_ERRCS) = + PB_ERRCS_ES; + + /* Clear read error reported in PB_ISR */ + *(u32 *) (CFG_TSI108_CSR_BASE + + TSI108_PB_REG_OFFSET + PB_ISR) = + PB_ISR_PBS_RD_ERR; + + /* Clear errors reported by PCI CSR (Normally Master Abort) */ + pci_stat = *(volatile u32 *)(CFG_TSI108_CSR_BASE + + TSI108_PCI_REG_OFFSET + + PCI_CSR); + *(volatile u32 *)(CFG_TSI108_CSR_BASE + + TSI108_PCI_REG_OFFSET + PCI_CSR) = + pci_stat; + + *(volatile u32 *)(CFG_TSI108_CSR_BASE + + TSI108_PCI_REG_OFFSET + + PCI_IRP_STAT) = PCI_IRP_STAT_P_CSR; + } + } + + return; +} + +unsigned int __get_pci_config_dword (u32 addr) +{ + unsigned int retval; + + __asm__ __volatile__ (" lwbrx %0,0,%1\n" + "1: eieio\n" + "2:\n" + ".section .fixup,\"ax\"\n" + "3: li %0,-1\n" + " b 2b\n" + ".section __ex_table,\"a\"\n" + " .align 2\n" + " .long 1b,3b\n" + ".text":"=r"(retval):"r"(addr)); + + return (retval); +} + +static int tsi108_read_config_dword (struct pci_controller *hose, + pci_dev_t dev, int offset, u32 * value) +{ + dev &= (CFG_PCI_CFG_SIZE - 1); + dev |= (CFG_PCI_CFG_BASE | (offset & 0xfc)); + *value = __get_pci_config_dword(dev); + if (0xFFFFFFFF == *value) + tsi108_clear_pci_error (); + return 0; +} + +static int tsi108_write_config_dword (struct pci_controller *hose, + pci_dev_t dev, int offset, u32 value) +{ + dev &= (CFG_PCI_CFG_SIZE - 1); + dev |= (CFG_PCI_CFG_BASE | (offset & 0xfc)); + + out_le32 ((volatile unsigned *)dev, value); + + return 0; +} + +void pci_init_board (void) +{ + struct pci_controller *hose = (struct pci_controller *)&local_hose; + + hose->first_busno = 0; + hose->last_busno = 0xff; + + pci_set_region (hose->regions + 0, + CFG_PCI_MEMORY_BUS, + CFG_PCI_MEMORY_PHYS, + CFG_PCI_MEMORY_SIZE, PCI_REGION_MEM | PCI_REGION_MEMORY); + + /* PCI memory space */ + pci_set_region (hose->regions + 1, + CFG_PCI_MEM_BUS, + CFG_PCI_MEM_PHYS, CFG_PCI_MEM_SIZE, PCI_REGION_MEM); + + /* PCI I/O space */ + pci_set_region (hose->regions + 2, + CFG_PCI_IO_BUS, + CFG_PCI_IO_PHYS, CFG_PCI_IO_SIZE, PCI_REGION_IO); + + hose->region_count = 3; + + pci_set_ops (hose, + pci_hose_read_config_byte_via_dword, + pci_hose_read_config_word_via_dword, + tsi108_read_config_dword, + pci_hose_write_config_byte_via_dword, + pci_hose_write_config_word_via_dword, + tsi108_write_config_dword); + + pci_register_hose (hose); + + hose->last_busno = pci_hose_scan (hose); + + debug ("Done PCI initialization\n"); + return; +} + +#ifdef CONFIG_OF_FLAT_TREE +void +ft_pci_setup (void *blob, bd_t *bd) +{ + u32 *p; + int len; + + p = (u32 *)ft_get_prop (blob, "/" OF_TSI "/pci@1000/bus-range", &len); + if (p != NULL) { + p[0] = local_hose.first_busno; + p[1] = local_hose.last_busno; + } + +} +#endif + +#endif /* CONFIG_TSI108_PCI */ |