diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/i2c/Makefile | 1 | ||||
-rw-r--r-- | drivers/i2c/mxc_i2c.c | 207 | ||||
-rw-r--r-- | drivers/mtd/cfi_flash.c | 48 | ||||
-rw-r--r-- | drivers/mtd/jedec_flash.c | 19 | ||||
-rw-r--r-- | drivers/net/Makefile | 1 | ||||
-rw-r--r-- | drivers/net/smc911x.c | 680 | ||||
-rw-r--r-- | drivers/pci/Makefile | 3 | ||||
-rw-r--r-- | drivers/pci/pci_sh4.c | 76 | ||||
-rw-r--r-- | drivers/pci/pci_sh7751.c | 199 | ||||
-rw-r--r-- | drivers/pci/pci_sh7780.c | 107 | ||||
-rw-r--r-- | drivers/serial/serial_sh.c | 70 |
11 files changed, 1369 insertions, 42 deletions
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 29d6c03..071ef00 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -29,6 +29,7 @@ COBJS-y += fsl_i2c.o COBJS-y += omap1510_i2c.o COBJS-y += omap24xx_i2c.o COBJS-y += tsi108_i2c.o +COBJS-y += mxc_i2c.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c new file mode 100644 index 0000000..3c2a9cf --- /dev/null +++ b/drivers/i2c/mxc_i2c.c @@ -0,0 +1,207 @@ +/* + * i2c driver for Freescale mx31 + * + * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +#if defined(CONFIG_HARD_I2C) && defined(CONFIG_I2C_MXC) + +#include <asm/arch/mx31.h> +#include <asm/arch/mx31-regs.h> + +#define IADR 0x00 +#define IFDR 0x04 +#define I2CR 0x08 +#define I2SR 0x0c +#define I2DR 0x10 + +#define I2CR_IEN (1 << 7) +#define I2CR_IIEN (1 << 6) +#define I2CR_MSTA (1 << 5) +#define I2CR_MTX (1 << 4) +#define I2CR_TX_NO_AK (1 << 3) +#define I2CR_RSTA (1 << 2) + +#define I2SR_ICF (1 << 7) +#define I2SR_IBB (1 << 5) +#define I2SR_IIF (1 << 1) +#define I2SR_RX_NO_AK (1 << 0) + +#ifdef CFG_I2C_MX31_PORT1 +#define I2C_BASE 0x43f80000 +#elif defined(CFG_I2C_MX31_PORT2) +#define I2C_BASE 0x43f98000 +#elif defined(CFG_I2C_MX31_PORT3) +#define I2C_BASE 0x43f84000 +#else +#error "define CFG_I2C_MX31_PORTx to use the mx31 I2C driver" +#endif + +#ifdef DEBUG +#define DPRINTF(args...) printf(args) +#else +#define DPRINTF(args...) +#endif + +static u16 div[] = { 30, 32, 36, 42, 48, 52, 60, 72, 80, 88, 104, 128, 144, + 160, 192, 240, 288, 320, 384, 480, 576, 640, 768, 960, + 1152, 1280, 1536, 1920, 2304, 2560, 3072, 3840}; + +void i2c_init(int speed, int unused) +{ + int freq = mx31_get_ipg_clk(); + int i; + + for (i = 0; i < 0x1f; i++) + if (freq / div[i] <= speed) + break; + + DPRINTF("%s: speed: %d\n", __FUNCTION__, speed); + + __REG16(I2C_BASE + I2CR) = 0; /* Reset module */ + __REG16(I2C_BASE + IFDR) = i; + __REG16(I2C_BASE + I2CR) = I2CR_IEN; + __REG16(I2C_BASE + I2SR) = 0; +} + +static int wait_busy(void) +{ + int timeout = 10000; + + while (!(__REG16(I2C_BASE + I2SR) & I2SR_IIF) && --timeout) + udelay(1); + __REG16(I2C_BASE + I2SR) = 0; /* clear interrupt */ + + return timeout; +} + +static int tx_byte(u8 byte) +{ + __REG16(I2C_BASE + I2DR) = byte; + + if (!wait_busy() || __REG16(I2C_BASE + I2SR) & I2SR_RX_NO_AK) + return -1; + return 0; +} + +static int rx_byte(void) +{ + if (!wait_busy()) + return -1; + + return __REG16(I2C_BASE + I2DR); +} + +int i2c_probe(uchar chip) +{ + int ret; + + __REG16(I2C_BASE + I2CR) = 0; /* Reset module */ + __REG16(I2C_BASE + I2CR) = I2CR_IEN; + + __REG16(I2C_BASE + I2CR) = I2CR_IEN | I2CR_MSTA | I2CR_MTX; + ret = tx_byte(chip << 1); + __REG16(I2C_BASE + I2CR) = I2CR_IEN | I2CR_MTX; + + return ret; +} + +static int i2c_addr(uchar chip, uint addr, int alen) +{ + __REG16(I2C_BASE + I2SR) = 0; /* clear interrupt */ + __REG16(I2C_BASE + I2CR) = I2CR_IEN | I2CR_MSTA | I2CR_MTX; + + if (tx_byte(chip << 1)) + return -1; + + while (alen--) + if (tx_byte((addr >> (alen * 8)) & 0xff)) + return -1; + return 0; +} + +int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len) +{ + int timeout = 10000; + int ret; + + DPRINTF("%s chip: 0x%02x addr: 0x%04x alen: %d len: +%d\n", \ + __FUNCTION__, chip, addr, alen, len); + + if (i2c_addr(chip, addr, alen)) { + printf("i2c_addr failed\n"); + return -1; + } + + __REG16(I2C_BASE + I2CR) = I2CR_IEN | I2CR_MSTA | \ + I2CR_MTX | I2CR_RSTA; + + if (tx_byte(chip << 1 | 1)) + return -1; + + __REG16(I2C_BASE + I2CR) = I2CR_IEN | I2CR_MSTA | ((len == 1) \ + ? I2CR_TX_NO_AK : 0); + + ret = __REG16(I2C_BASE + I2DR); + + while (len--) { + if ((ret = rx_byte()) < 0) + return -1; + *buf++ = ret; + if (len <= 1) + __REG16(I2C_BASE + I2CR) = I2CR_IEN | \ + I2CR_MSTA | I2CR_TX_NO_AK; + } + + wait_busy(); + + __REG16(I2C_BASE + I2CR) = I2CR_IEN; + + while (__REG16(I2C_BASE + I2SR) & I2SR_IBB && --timeout) + udelay(1); + + return 0; +} + +int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len) +{ + int timeout = 10000; + DPRINTF("%s chip: 0x%02x addr: 0x%04x alen: %d len: %d\n", \ + __FUNCTION__, chip, addr, alen, len); + + if (i2c_addr(chip, addr, alen)) + return -1; + + while (len--) + if (tx_byte(*buf++)) + return -1; + + __REG16(I2C_BASE + I2CR) = I2CR_IEN; + + while (__REG16(I2C_BASE + I2SR) & I2SR_IBB && --timeout) + udelay(1); + + return 0; +} + +#endif /* CONFIG_HARD_I2C */ diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index f04c72d..40fddcd 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -239,12 +239,14 @@ static u32 flash_read32(void *addr) return __raw_readl(addr); } -static u64 flash_read64(void *addr) +static u64 __flash_read64(void *addr) { /* No architectures currently implement __raw_readq() */ return *(volatile u64 *)addr; } +u64 flash_read64(void *addr)__attribute__((weak, alias("__flash_read64"))); + /*----------------------------------------------------------------------- */ #if defined(CFG_ENV_IS_IN_FLASH) || defined(CFG_ENV_ADDR_REDUND) || (CFG_MONITOR_BASE >= CFG_FLASH_BASE) @@ -365,6 +367,20 @@ static inline uchar flash_read_uchar (flash_info_t * info, uint offset) } /*----------------------------------------------------------------------- + * read a word at a port width address, assume 16bit bus + */ +static inline ushort flash_read_word (flash_info_t * info, uint offset) +{ + ushort *addr, retval; + + addr = flash_map (info, 0, offset); + retval = flash_read16 (addr); + flash_unmap (info, 0, offset, addr); + return retval; +} + + +/*----------------------------------------------------------------------- * read a long word by picking the least significant byte of each maximum * port size word. Swap for ppc format. */ @@ -1449,17 +1465,29 @@ static void cmdset_amd_read_jedec_ids(flash_info_t *info) flash_unlock_seq(info, 0); flash_write_cmd(info, 0, info->addr_unlock1, FLASH_CMD_READ_ID); udelay(1000); /* some flash are slow to respond */ + info->manufacturer_id = flash_read_uchar (info, FLASH_OFFSET_MANUFACTURER_ID); - info->device_id = flash_read_uchar (info, - FLASH_OFFSET_DEVICE_ID); - if (info->device_id == 0x7E) { - /* AMD 3-byte (expanded) device ids */ - info->device_id2 = flash_read_uchar (info, - FLASH_OFFSET_DEVICE_ID2); - info->device_id2 <<= 8; - info->device_id2 |= flash_read_uchar (info, - FLASH_OFFSET_DEVICE_ID3); + + switch (info->chipwidth){ + case FLASH_CFI_8BIT: + info->device_id = flash_read_uchar (info, + FLASH_OFFSET_DEVICE_ID); + if (info->device_id == 0x7E) { + /* AMD 3-byte (expanded) device ids */ + info->device_id2 = flash_read_uchar (info, + FLASH_OFFSET_DEVICE_ID2); + info->device_id2 <<= 8; + info->device_id2 |= flash_read_uchar (info, + FLASH_OFFSET_DEVICE_ID3); + } + break; + case FLASH_CFI_16BIT: + info->device_id = flash_read_word (info, + FLASH_OFFSET_DEVICE_ID); + break; + default: + break; } flash_write_cmd(info, 0, 0, AMD_CMD_RESET); } diff --git a/drivers/mtd/jedec_flash.c b/drivers/mtd/jedec_flash.c index 41aad3b..b958d17 100644 --- a/drivers/mtd/jedec_flash.c +++ b/drivers/mtd/jedec_flash.c @@ -216,6 +216,25 @@ static const struct amd_flash_info jedec_table[] = { } }, #endif +#ifdef CFG_FLASH_LEGACY_512Kx16 + { + .mfr_id = MANUFACTURER_AMD, + .dev_id = AM29LV400BB, + .name = "AMD AM29LV400BB", + .uaddr = { + [1] = MTD_UADDR_0x0555_0x02AA /* x16 */ + }, + .DevSize = SIZE_512KiB, + .CmdSet = CFI_CMDSET_AMD_LEGACY, + .NumEraseRegions= 4, + .regions = { + ERASEINFO(0x04000,1), + ERASEINFO(0x02000,2), + ERASEINFO(0x08000,1), + ERASEINFO(0x10000,7), + } + }, +#endif }; static inline void fill_info(flash_info_t *info, const struct amd_flash_info *jedec_entry, ulong base) diff --git a/drivers/net/Makefile b/drivers/net/Makefile index eafd267..6f0225b 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -55,6 +55,7 @@ COBJS-y += rtl8139.o COBJS-y += rtl8169.o COBJS-y += s3c4510b_eth.o COBJS-y += smc91111.o +COBJS-y += smc911x.o COBJS-y += tigon3.o COBJS-y += tsec.o COBJS-y += tsi108_eth.o diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c new file mode 100644 index 0000000..2fd5777 --- /dev/null +++ b/drivers/net/smc911x.c @@ -0,0 +1,680 @@ +/* + * SMSC LAN9[12]1[567] Network driver + * + * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +#ifdef CONFIG_DRIVER_SMC911X + +#include <command.h> +#include <net.h> +#include <miiphy.h> + +#define mdelay(n) udelay((n)*1000) + +#define __REG(x) (*((volatile u32 *)(x))) + +/* Below are the register offsets and bit definitions + * of the Lan911x memory space + */ +#define RX_DATA_FIFO __REG(CONFIG_DRIVER_SMC911X_BASE + 0x00) + +#define TX_DATA_FIFO __REG(CONFIG_DRIVER_SMC911X_BASE + 0x20) +#define TX_CMD_A_INT_ON_COMP (0x80000000) +#define TX_CMD_A_INT_BUF_END_ALGN (0x03000000) +#define TX_CMD_A_INT_4_BYTE_ALGN (0x00000000) +#define TX_CMD_A_INT_16_BYTE_ALGN (0x01000000) +#define TX_CMD_A_INT_32_BYTE_ALGN (0x02000000) +#define TX_CMD_A_INT_DATA_OFFSET (0x001F0000) +#define TX_CMD_A_INT_FIRST_SEG (0x00002000) +#define TX_CMD_A_INT_LAST_SEG (0x00001000) +#define TX_CMD_A_BUF_SIZE (0x000007FF) +#define TX_CMD_B_PKT_TAG (0xFFFF0000) +#define TX_CMD_B_ADD_CRC_DISABLE (0x00002000) +#define TX_CMD_B_DISABLE_PADDING (0x00001000) +#define TX_CMD_B_PKT_BYTE_LENGTH (0x000007FF) + +#define RX_STATUS_FIFO __REG(CONFIG_DRIVER_SMC911X_BASE + 0x40) +#define RX_STS_PKT_LEN (0x3FFF0000) +#define RX_STS_ES (0x00008000) +#define RX_STS_BCST (0x00002000) +#define RX_STS_LEN_ERR (0x00001000) +#define RX_STS_RUNT_ERR (0x00000800) +#define RX_STS_MCAST (0x00000400) +#define RX_STS_TOO_LONG (0x00000080) +#define RX_STS_COLL (0x00000040) +#define RX_STS_ETH_TYPE (0x00000020) +#define RX_STS_WDOG_TMT (0x00000010) +#define RX_STS_MII_ERR (0x00000008) +#define RX_STS_DRIBBLING (0x00000004) +#define RX_STS_CRC_ERR (0x00000002) +#define RX_STATUS_FIFO_PEEK __REG(CONFIG_DRIVER_SMC911X_BASE + 0x44) +#define TX_STATUS_FIFO __REG(CONFIG_DRIVER_SMC911X_BASE + 0x48) +#define TX_STS_TAG (0xFFFF0000) +#define TX_STS_ES (0x00008000) +#define TX_STS_LOC (0x00000800) +#define TX_STS_NO_CARR (0x00000400) +#define TX_STS_LATE_COLL (0x00000200) +#define TX_STS_MANY_COLL (0x00000100) +#define TX_STS_COLL_CNT (0x00000078) +#define TX_STS_MANY_DEFER (0x00000004) +#define TX_STS_UNDERRUN (0x00000002) +#define TX_STS_DEFERRED (0x00000001) +#define TX_STATUS_FIFO_PEEK __REG(CONFIG_DRIVER_SMC911X_BASE + 0x4C) +#define ID_REV __REG(CONFIG_DRIVER_SMC911X_BASE + 0x50) +#define ID_REV_CHIP_ID (0xFFFF0000) /* RO */ +#define ID_REV_REV_ID (0x0000FFFF) /* RO */ + +#define INT_CFG __REG(CONFIG_DRIVER_SMC911X_BASE + 0x54) +#define INT_CFG_INT_DEAS (0xFF000000) /* R/W */ +#define INT_CFG_INT_DEAS_CLR (0x00004000) +#define INT_CFG_INT_DEAS_STS (0x00002000) +#define INT_CFG_IRQ_INT (0x00001000) /* RO */ +#define INT_CFG_IRQ_EN (0x00000100) /* R/W */ +#define INT_CFG_IRQ_POL (0x00000010) /* R/W */ + /* Not Affected by SW Reset */ +#define INT_CFG_IRQ_TYPE (0x00000001) /* R/W */ + /* Not Affected by SW Reset */ + +#define INT_STS __REG(CONFIG_DRIVER_SMC911X_BASE + 0x58) +#define INT_STS_SW_INT (0x80000000) /* R/WC */ +#define INT_STS_TXSTOP_INT (0x02000000) /* R/WC */ +#define INT_STS_RXSTOP_INT (0x01000000) /* R/WC */ +#define INT_STS_RXDFH_INT (0x00800000) /* R/WC */ +#define INT_STS_RXDF_INT (0x00400000) /* R/WC */ +#define INT_STS_TX_IOC (0x00200000) /* R/WC */ +#define INT_STS_RXD_INT (0x00100000) /* R/WC */ +#define INT_STS_GPT_INT (0x00080000) /* R/WC */ +#define INT_STS_PHY_INT (0x00040000) /* RO */ +#define INT_STS_PME_INT (0x00020000) /* R/WC */ +#define INT_STS_TXSO (0x00010000) /* R/WC */ +#define INT_STS_RWT (0x00008000) /* R/WC */ +#define INT_STS_RXE (0x00004000) /* R/WC */ +#define INT_STS_TXE (0x00002000) /* R/WC */ +/*#define INT_STS_ERX (0x00001000)*/ /* R/WC */ +#define INT_STS_TDFU (0x00000800) /* R/WC */ +#define INT_STS_TDFO (0x00000400) /* R/WC */ +#define INT_STS_TDFA (0x00000200) /* R/WC */ +#define INT_STS_TSFF (0x00000100) /* R/WC */ +#define INT_STS_TSFL (0x00000080) /* R/WC */ +/*#define INT_STS_RXDF (0x00000040)*/ /* R/WC */ +#define INT_STS_RDFO (0x00000040) /* R/WC */ +#define INT_STS_RDFL (0x00000020) /* R/WC */ +#define INT_STS_RSFF (0x00000010) /* R/WC */ +#define INT_STS_RSFL (0x00000008) /* R/WC */ +#define INT_STS_GPIO2_INT (0x00000004) /* R/WC */ +#define INT_STS_GPIO1_INT (0x00000002) /* R/WC */ +#define INT_STS_GPIO0_INT (0x00000001) /* R/WC */ +#define INT_EN __REG(CONFIG_DRIVER_SMC911X_BASE + 0x5C) +#define INT_EN_SW_INT_EN (0x80000000) /* R/W */ +#define INT_EN_TXSTOP_INT_EN (0x02000000) /* R/W */ +#define INT_EN_RXSTOP_INT_EN (0x01000000) /* R/W */ +#define INT_EN_RXDFH_INT_EN (0x00800000) /* R/W */ +/*#define INT_EN_RXDF_INT_EN (0x00400000)*/ /* R/W */ +#define INT_EN_TIOC_INT_EN (0x00200000) /* R/W */ +#define INT_EN_RXD_INT_EN (0x00100000) /* R/W */ +#define INT_EN_GPT_INT_EN (0x00080000) /* R/W */ +#define INT_EN_PHY_INT_EN (0x00040000) /* R/W */ +#define INT_EN_PME_INT_EN (0x00020000) /* R/W */ +#define INT_EN_TXSO_EN (0x00010000) /* R/W */ +#define INT_EN_RWT_EN (0x00008000) /* R/W */ +#define INT_EN_RXE_EN (0x00004000) /* R/W */ +#define INT_EN_TXE_EN (0x00002000) /* R/W */ +/*#define INT_EN_ERX_EN (0x00001000)*/ /* R/W */ +#define INT_EN_TDFU_EN (0x00000800) /* R/W */ +#define INT_EN_TDFO_EN (0x00000400) /* R/W */ +#define INT_EN_TDFA_EN (0x00000200) /* R/W */ +#define INT_EN_TSFF_EN (0x00000100) /* R/W */ +#define INT_EN_TSFL_EN (0x00000080) /* R/W */ +/*#define INT_EN_RXDF_EN (0x00000040)*/ /* R/W */ +#define INT_EN_RDFO_EN (0x00000040) /* R/W */ +#define INT_EN_RDFL_EN (0x00000020) /* R/W */ +#define INT_EN_RSFF_EN (0x00000010) /* R/W */ +#define INT_EN_RSFL_EN (0x00000008) /* R/W */ +#define INT_EN_GPIO2_INT (0x00000004) /* R/W */ +#define INT_EN_GPIO1_INT (0x00000002) /* R/W */ +#define INT_EN_GPIO0_INT (0x00000001) /* R/W */ + +#define BYTE_TEST __REG(CONFIG_DRIVER_SMC911X_BASE + 0x64) +#define FIFO_INT __REG(CONFIG_DRIVER_SMC911X_BASE + 0x68) +#define FIFO_INT_TX_AVAIL_LEVEL (0xFF000000) /* R/W */ +#define FIFO_INT_TX_STS_LEVEL (0x00FF0000) /* R/W */ +#define FIFO_INT_RX_AVAIL_LEVEL (0x0000FF00) /* R/W */ +#define FIFO_INT_RX_STS_LEVEL (0x000000FF) /* R/W */ + +#define RX_CFG __REG(CONFIG_DRIVER_SMC911X_BASE + 0x6C) +#define RX_CFG_RX_END_ALGN (0xC0000000) /* R/W */ +#define RX_CFG_RX_END_ALGN4 (0x00000000) /* R/W */ +#define RX_CFG_RX_END_ALGN16 (0x40000000) /* R/W */ +#define RX_CFG_RX_END_ALGN32 (0x80000000) /* R/W */ +#define RX_CFG_RX_DMA_CNT (0x0FFF0000) /* R/W */ +#define RX_CFG_RX_DUMP (0x00008000) /* R/W */ +#define RX_CFG_RXDOFF (0x00001F00) /* R/W */ +/*#define RX_CFG_RXBAD (0x00000001)*/ /* R/W */ + +#define TX_CFG __REG(CONFIG_DRIVER_SMC911X_BASE + 0x70) +/*#define TX_CFG_TX_DMA_LVL (0xE0000000)*/ /* R/W */ +/*#define TX_CFG_TX_DMA_CNT (0x0FFF0000)*/ /* R/W */ + /* Self Clearing */ +#define TX_CFG_TXS_DUMP (0x00008000) + /* Self Clearing */ +#define TX_CFG_TXD_DUMP (0x00004000) + /* Self Clearing */ +#define TX_CFG_TXSAO (0x00000004) /* R/W */ +#define TX_CFG_TX_ON (0x00000002) /* R/W */ +#define TX_CFG_STOP_TX (0x00000001) + /* Self Clearing */ + +#define HW_CFG __REG(CONFIG_DRIVER_SMC911X_BASE + 0x74) +#define HW_CFG_TTM (0x00200000) /* R/W */ +#define HW_CFG_SF (0x00100000) /* R/W */ +#define HW_CFG_TX_FIF_SZ (0x000F0000) /* R/W */ +#define HW_CFG_TR (0x00003000) /* R/W */ +#define HW_CFG_PHY_CLK_SEL (0x00000060) /* R/W */ +#define HW_CFG_PHY_CLK_SEL_INT_PHY (0x00000000) /* R/W */ +#define HW_CFG_PHY_CLK_SEL_EXT_PHY (0x00000020) /* R/W */ +#define HW_CFG_PHY_CLK_SEL_CLK_DIS (0x00000040) /* R/W */ +#define HW_CFG_SMI_SEL (0x00000010) /* R/W */ +#define HW_CFG_EXT_PHY_DET (0x00000008) /* RO */ +#define HW_CFG_EXT_PHY_EN (0x00000004) /* R/W */ +#define HW_CFG_32_16_BIT_MODE (0x00000004) /* RO */ +#define HW_CFG_SRST_TO (0x00000002) /* RO */ +#define HW_CFG_SRST (0x00000001) + /* Self Clearing */ + +#define RX_DP_CTRL __REG(CONFIG_DRIVER_SMC911X_BASE + 0x78) +#define RX_DP_CTRL_RX_FFWD (0x80000000) /* R/W */ +#define RX_DP_CTRL_FFWD_BUSY (0x80000000) /* RO */ + +#define RX_FIFO_INF __REG(CONFIG_DRIVER_SMC911X_BASE + 0x7C) +#define RX_FIFO_INF_RXSUSED (0x00FF0000) /* RO */ +#define RX_FIFO_INF_RXDUSED (0x0000FFFF) /* RO */ + +#define TX_FIFO_INF __REG(CONFIG_DRIVER_SMC911X_BASE + 0x80) +#define TX_FIFO_INF_TSUSED (0x00FF0000) /* RO */ +#define TX_FIFO_INF_TDFREE (0x0000FFFF) /* RO */ + +#define PMT_CTRL __REG(CONFIG_DRIVER_SMC911X_BASE + 0x84) +#define PMT_CTRL_PM_MODE (0x00003000) + /* Self Clearing */ +#define PMT_CTRL_PHY_RST (0x00000400) + /* Self Clearing */ +#define PMT_CTRL_WOL_EN (0x00000200) /* R/W */ +#define PMT_CTRL_ED_EN (0x00000100) /* R/W */ +#define PMT_CTRL_PME_TYPE (0x00000040) /* R/W */ + /* Not Affected by SW Reset */ +#define PMT_CTRL_WUPS (0x00000030) /* R/WC */ +#define PMT_CTRL_WUPS_NOWAKE (0x00000000) /* R/WC */ +#define PMT_CTRL_WUPS_ED (0x00000010) /* R/WC */ +#define PMT_CTRL_WUPS_WOL (0x00000020) /* R/WC */ +#define PMT_CTRL_WUPS_MULTI (0x00000030) /* R/WC */ +#define PMT_CTRL_PME_IND (0x00000008) /* R/W */ +#define PMT_CTRL_PME_POL (0x00000004) /* R/W */ +#define PMT_CTRL_PME_EN (0x00000002) /* R/W */ + /* Not Affected by SW Reset */ +#define PMT_CTRL_READY (0x00000001) /* RO */ + +#define GPIO_CFG __REG(CONFIG_DRIVER_SMC911X_BASE + 0x88) +#define GPIO_CFG_LED3_EN (0x40000000) /* R/W */ +#define GPIO_CFG_LED2_EN (0x20000000) /* R/W */ +#define GPIO_CFG_LED1_EN (0x10000000) /* R/W */ +#define GPIO_CFG_GPIO2_INT_POL (0x04000000) /* R/W */ +#define GPIO_CFG_GPIO1_INT_POL (0x02000000) /* R/W */ +#define GPIO_CFG_GPIO0_INT_POL (0x01000000) /* R/W */ +#define GPIO_CFG_EEPR_EN (0x00700000) /* R/W */ +#define GPIO_CFG_GPIOBUF2 (0x00040000) /* R/W */ +#define GPIO_CFG_GPIOBUF1 (0x00020000) /* R/W */ +#define GPIO_CFG_GPIOBUF0 (0x00010000) /* R/W */ +#define GPIO_CFG_GPIODIR2 (0x00000400) /* R/W */ +#define GPIO_CFG_GPIODIR1 (0x00000200) /* R/W */ +#define GPIO_CFG_GPIODIR0 (0x00000100) /* R/W */ +#define GPIO_CFG_GPIOD4 (0x00000010) /* R/W */ +#define GPIO_CFG_GPIOD3 (0x00000008) /* R/W */ +#define GPIO_CFG_GPIOD2 (0x00000004) /* R/W */ +#define GPIO_CFG_GPIOD1 (0x00000002) /* R/W */ +#define GPIO_CFG_GPIOD0 (0x00000001) /* R/W */ + +#define GPT_CFG __REG(CONFIG_DRIVER_SMC911X_BASE + 0x8C) +#define GPT_CFG_TIMER_EN (0x20000000) /* R/W */ +#define GPT_CFG_GPT_LOAD (0x0000FFFF) /* R/W */ + +#define GPT_CNT __REG(CONFIG_DRIVER_SMC911X_BASE + 0x90) +#define GPT_CNT_GPT_CNT (0x0000FFFF) /* RO */ + +#define ENDIAN __REG(CONFIG_DRIVER_SMC911X_BASE + 0x98) +#define FREE_RUN __REG(CONFIG_DRIVER_SMC911X_BASE + 0x9C) +#define RX_DROP __REG(CONFIG_DRIVER_SMC911X_BASE + 0xA0) +#define MAC_CSR_CMD __REG(CONFIG_DRIVER_SMC911X_BASE + 0xA4) +#define MAC_CSR_CMD_CSR_BUSY (0x80000000) + /* Self Clearing */ +#define MAC_CSR_CMD_R_NOT_W (0x40000000) /* R/W */ +#define MAC_CSR_CMD_CSR_ADDR (0x000000FF) /* R/W */ + +#define MAC_CSR_DATA __REG(CONFIG_DRIVER_SMC911X_BASE + 0xA8) +#define AFC_CFG __REG(CONFIG_DRIVER_SMC911X_BASE + 0xAC) +#define AFC_CFG_AFC_HI (0x00FF0000) /* R/W */ +#define AFC_CFG_AFC_LO (0x0000FF00) /* R/W */ +#define AFC_CFG_BACK_DUR (0x000000F0) /* R/W */ +#define AFC_CFG_FCMULT (0x00000008) /* R/W */ +#define AFC_CFG_FCBRD (0x00000004) /* R/W */ +#define AFC_CFG_FCADD (0x00000002) /* R/W */ +#define AFC_CFG_FCANY (0x00000001) /* R/W */ + +#define E2P_CMD __REG(CONFIG_DRIVER_SMC911X_BASE + 0xB0) +#define E2P_CMD_EPC_BUSY (0x80000000) + /* Self Clearing */ +#define E2P_CMD_EPC_CMD (0x70000000) /* R/W */ +#define E2P_CMD_EPC_CMD_READ (0x00000000) /* R/W */ +#define E2P_CMD_EPC_CMD_EWDS (0x10000000) /* R/W */ +#define E2P_CMD_EPC_CMD_EWEN (0x20000000) /* R/W */ +#define E2P_CMD_EPC_CMD_WRITE (0x30000000) /* R/W */ +#define E2P_CMD_EPC_CMD_WRAL (0x40000000) /* R/W */ +#define E2P_CMD_EPC_CMD_ERASE (0x50000000) /* R/W */ +#define E2P_CMD_EPC_CMD_ERAL (0x60000000) /* R/W */ +#define E2P_CMD_EPC_CMD_RELOAD (0x70000000) /* R/W */ +#define E2P_CMD_EPC_TIMEOUT (0x00000200) /* RO */ +#define E2P_CMD_MAC_ADDR_LOADED (0x00000100) /* RO */ +#define E2P_CMD_EPC_ADDR (0x000000FF) /* R/W */ + +#define E2P_DATA __REG(CONFIG_DRIVER_SMC911X_BASE + 0xB4) +#define E2P_DATA_EEPROM_DATA (0x000000FF) /* R/W */ +/* end of LAN register offsets and bit definitions */ + +/* MAC Control and Status registers */ +#define MAC_CR (0x01) /* R/W */ + +/* MAC_CR - MAC Control Register */ +#define MAC_CR_RXALL (0x80000000) +/* TODO: delete this bit? It is not described in the data sheet. */ +#define MAC_CR_HBDIS (0x10000000) +#define MAC_CR_RCVOWN (0x00800000) +#define MAC_CR_LOOPBK (0x00200000) +#define MAC_CR_FDPX (0x00100000) +#define MAC_CR_MCPAS (0x00080000) +#define MAC_CR_PRMS (0x00040000) +#define MAC_CR_INVFILT (0x00020000) +#define MAC_CR_PASSBAD (0x00010000) +#define MAC_CR_HFILT (0x00008000) +#define MAC_CR_HPFILT (0x00002000) +#define MAC_CR_LCOLL (0x00001000) +#define MAC_CR_BCAST (0x00000800) +#define MAC_CR_DISRTY (0x00000400) +#define MAC_CR_PADSTR (0x00000100) +#define MAC_CR_BOLMT_MASK (0x000000C0) +#define MAC_CR_DFCHK (0x00000020) +#define MAC_CR_TXEN (0x00000008) +#define MAC_CR_RXEN (0x00000004) + +#define ADDRH (0x02) /* R/W mask 0x0000FFFFUL */ +#define ADDRL (0x03) /* R/W mask 0xFFFFFFFFUL */ +#define HASHH (0x04) /* R/W */ +#define HASHL (0x05) /* R/W */ + +#define MII_ACC (0x06) /* R/W */ +#define MII_ACC_PHY_ADDR (0x0000F800) +#define MII_ACC_MIIRINDA (0x000007C0) +#define MII_ACC_MII_WRITE (0x00000002) +#define MII_ACC_MII_BUSY (0x00000001) + +#define MII_DATA (0x07) /* R/W mask 0x0000FFFFUL */ + +#define FLOW (0x08) /* R/W */ +#define FLOW_FCPT (0xFFFF0000) +#define FLOW_FCPASS (0x00000004) +#define FLOW_FCEN (0x00000002) +#define FLOW_FCBSY (0x00000001) + +#define VLAN1 (0x09) /* R/W mask 0x0000FFFFUL */ +#define VLAN1_VTI1 (0x0000ffff) + +#define VLAN2 (0x0A) /* R/W mask 0x0000FFFFUL */ +#define VLAN2_VTI2 (0x0000ffff) + +#define WUFF (0x0B) /* WO */ + +#define WUCSR (0x0C) /* R/W */ +#define WUCSR_GUE (0x00000200) +#define WUCSR_WUFR (0x00000040) +#define WUCSR_MPR (0x00000020) +#define WUCSR_WAKE_EN (0x00000004) +#define WUCSR_MPEN (0x00000002) + +/* Chip ID values */ +#define CHIP_9115 0x115 +#define CHIP_9116 0x116 +#define CHIP_9117 0x117 +#define CHIP_9118 0x118 +#define CHIP_9215 0x115a +#define CHIP_9216 0x116a +#define CHIP_9217 0x117a +#define CHIP_9218 0x118a + +struct chip_id { + u16 id; + char *name; +}; + +static const struct chip_id chip_ids[] = { + { CHIP_9115, "LAN9115" }, + { CHIP_9116, "LAN9116" }, + { CHIP_9117, "LAN9117" }, + { CHIP_9118, "LAN9118" }, + { CHIP_9215, "LAN9215" }, + { CHIP_9216, "LAN9216" }, + { CHIP_9217, "LAN9217" }, + { CHIP_9218, "LAN9218" }, + { 0, NULL }, +}; + +#define DRIVERNAME "smc911x" + +u32 smc911x_get_mac_csr(u8 reg) +{ + while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY); + MAC_CSR_CMD = MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg; + while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY); + + return MAC_CSR_DATA; +} + +void smc911x_set_mac_csr(u8 reg, u32 data) +{ + while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY); + MAC_CSR_DATA = data; + MAC_CSR_CMD = MAC_CSR_CMD_CSR_BUSY | reg; + while (MAC_CSR_CMD & MAC_CSR_CMD_CSR_BUSY); } + +static int smx911x_handle_mac_address(bd_t *bd) +{ + unsigned long addrh, addrl; + unsigned char *m = bd->bi_enetaddr; + + /* if the environment has a valid mac address then use it */ + if ((m[0] | m[1] | m[2] | m[3] | m[4] | m[5])) { + addrl = m[0] | m[1] << 8 | m[2] << 16 | m[3] << 24; + addrh = m[4] | m[5] << 8; + smc911x_set_mac_csr(ADDRH, addrh); + smc911x_set_mac_csr(ADDRL, addrl); + } else { + /* if not, try to get one from the eeprom */ + addrh = smc911x_get_mac_csr(ADDRH); + addrl = smc911x_get_mac_csr(ADDRL); + + m[0] = (addrl) & 0xff; + m[1] = (addrl >> 8) & 0xff; + m[2] = (addrl >> 16) & 0xff; + m[3] = (addrl >> 24) & 0xff; + m[4] = (addrh) & 0xff; + m[5] = (addrh >> 8) & 0xff; + + /* we get 0xff when there is no eeprom connected */ + if ((m[0] & m[1] & m[2] & m[3] & m[4] & m[5]) == 0xff) { + printf(DRIVERNAME ": no valid mac address " + "in environment " + "and no eeprom found\n"); + return -1; + } + } + + printf(DRIVERNAME ": MAC %02x:%02x:%02x:%02x:%02x:%02x\n", + m[0], m[1], m[2], m[3], m[4], m[5]); + + return 0; +} + +static int smc911x_miiphy_read(u8 phy, u8 reg, u16 *val) +{ + while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY); + + smc911x_set_mac_csr(MII_ACC, phy << 11 | reg << 6 | MII_ACC_MII_BUSY); + + while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY); + + *val = smc911x_get_mac_csr(MII_DATA); + + return 0; +} + +static int smc911x_miiphy_write(u8 phy, u8 reg, u16 val) +{ + while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY); + + smc911x_set_mac_csr(MII_DATA, val); + smc911x_set_mac_csr(MII_ACC, + phy << 11 | reg << 6 | MII_ACC_MII_BUSY | MII_ACC_MII_WRITE); + + while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY); + return 0; +} + +static int smc911x_phy_reset(void) +{ + u32 reg; + + reg = PMT_CTRL; + reg &= ~0xfffff030; + reg |= PMT_CTRL_PHY_RST; + PMT_CTRL = reg; + + mdelay(100); + + return 0; +} + +static void smc911x_phy_configure(void) +{ + int timeout; + u16 status; + + smc911x_phy_reset(); + + smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_RESET); + mdelay(1); + smc911x_miiphy_write(1, PHY_ANAR, 0x01e1); + smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG); + + timeout = 5000; + do { + mdelay(1); + if ((timeout--) == 0) + goto err_out; + + if (smc911x_miiphy_read(1, PHY_BMSR, &status) != 0) + goto err_out; + } while (!(status & PHY_BMSR_LS)); + + printf(DRIVERNAME ": phy initialized\n"); + + return; + +err_out: + printf(DRIVERNAME ": autonegotiation timed out\n"); } + +static void smc911x_reset(void) +{ + int timeout; + + /* Take out of PM setting first */ + if (PMT_CTRL & PMT_CTRL_READY) { + /* Write to the bytetest will take out of powerdown */ + BYTE_TEST = 0x0; + + timeout = 10; + + while (timeout-- && !(PMT_CTRL & PMT_CTRL_READY)) + udelay(10); + if (!timeout) { + printf(DRIVERNAME + ": timeout waiting for PM restore\n"); + return; + } + } + + /* Disable interrupts */ + INT_EN = 0; + + HW_CFG = HW_CFG_SRST; + + timeout = 1000; + while (timeout-- && E2P_CMD & E2P_CMD_EPC_BUSY) + udelay(10); + + if (!timeout) { + printf(DRIVERNAME ": reset timeout\n"); + return; + } + + /* Reset the FIFO level and flow control settings */ + smc911x_set_mac_csr(FLOW, FLOW_FCPT | FLOW_FCEN); + AFC_CFG = 0x0050287F; + + /* Set to LED outputs */ + GPIO_CFG = 0x70070000; +} + +static void smc911x_enable(void) +{ + /* Enable TX */ + HW_CFG = 8 << 16 | HW_CFG_SF; + + GPT_CFG = GPT_CFG_TIMER_EN | 10000; + + TX_CFG = TX_CFG_TX_ON; + + /* no padding to start of packets */ + RX_CFG = 0; + + smc911x_set_mac_csr(MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN | MAC_CR_HBDIS); + +} + +int eth_init(bd_t *bd) +{ + unsigned long val, i; + + printf(DRIVERNAME ": initializing\n"); + + val = BYTE_TEST; + if (val != 0x87654321) { + printf(DRIVERNAME ": Invalid chip endian 0x08%x\n", val); + goto err_out; + } + + val = ID_REV >> 16; + for (i = 0; chip_ids[i].id != 0; i++) { + if (chip_ids[i].id == val) + break; + } + if (!chip_ids[i].id) { + printf(DRIVERNAME ": Unknown chip ID %04x\n", val); + goto err_out; + } + + printf(DRIVERNAME ": detected %s controller\n", chip_ids[i].name); + + smc911x_reset(); + + /* Configure the PHY, initialize the link state */ + smc911x_phy_configure(); + + if (smx911x_handle_mac_address(bd)) + goto err_out; + + /* Turn on Tx + Rx */ + smc911x_enable(); + + return 0; + +err_out: + return -1; +} + +int eth_send(volatile void *packet, int length) +{ + u32 *data = (u32 *)packet; + u32 tmplen; + u32 status; + + TX_DATA_FIFO = TX_CMD_A_INT_FIRST_SEG | TX_CMD_A_INT_LAST_SEG | length; + TX_DATA_FIFO = length; + + tmplen = (length + 3) / 4; + + while (tmplen--) + TX_DATA_FIFO = *data++; + + /* wait for transmission */ + while (!((TX_FIFO_INF & TX_FIFO_INF_TSUSED) >> 16)); + + /* get status. Ignore 'no carrier' error, it has no meaning for + * full duplex operation + */ + status = TX_STATUS_FIFO & (TX_STS_LOC | TX_STS_LATE_COLL | + TX_STS_MANY_COLL | TX_STS_MANY_DEFER | TX_STS_UNDERRUN); + + if (!status) + return 0; + + printf(DRIVERNAME ": failed to send packet: %s%s%s%s%s\n", + status & TX_STS_LOC ? "TX_STS_LOC " : "", + status & TX_STS_LATE_COLL ? "TX_STS_LATE_COLL " : "", + status & TX_STS_MANY_COLL ? "TX_STS_MANY_COLL " : "", + status & TX_STS_MANY_DEFER ? "TX_STS_MANY_DEFER " : "", + status & TX_STS_UNDERRUN ? "TX_STS_UNDERRUN" : ""); + + return -1; +} + +void eth_halt(void) +{ + smc911x_reset(); +} + +int eth_rx(void) +{ + u32 *data = (u32 *)NetRxPackets[0]; + u32 pktlen, tmplen; + u32 status; + + if ((RX_FIFO_INF & RX_FIFO_INF_RXSUSED) >> 16) { + status = RX_STATUS_FIFO; + pktlen = (status & RX_STS_PKT_LEN) >> 16; + + RX_CFG = 0; + + tmplen = (pktlen + 2 + 3) / 4; + while (tmplen--) + *data++ = RX_DATA_FIFO; + + if (status & RX_STS_ES) + printf(DRIVERNAME + ": dropped bad packet. Status: 0x%08x\n", + status); + else + NetReceive(NetRxPackets[0], pktlen); + } + + return 0; +} + +#endif /* CONFIG_DRIVER_SMC911X */ diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index fe45839..ad1b7dd 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -31,6 +31,9 @@ COBJS-y += pci_auto.o COBJS-y += pci_indirect.o COBJS-y += tsi108_pci.o COBJS-y += w83c553f.o +COBJS-$(CONFIG_SH4_PCI) += pci_sh4.o +COBJS-$(CONFIG_SH7751_PCI) +=pci_sh7751.o +COBJS-$(CONFIG_SH7780_PCI) +=pci_sh7780.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/pci/pci_sh4.c b/drivers/pci/pci_sh4.c new file mode 100644 index 0000000..1290c0a --- /dev/null +++ b/drivers/pci/pci_sh4.c @@ -0,0 +1,76 @@ +/* + * SH4 PCI Controller (PCIC) for U-Boot. + * (C) Dustin McIntire (dustin@sensoria.com) + * (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * (C) 2008 Yusuke Goda <goda.yusuke@renesas.com> + * + * u-boot/cpu/sh4/pci-sh4.c + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/pci.h> +#include <pci.h> + +int pci_sh4_init(struct pci_controller *hose) +{ + hose->first_busno = 0; + hose->region_count = 0; + hose->last_busno = 0xff; + + /* PCI memory space */ + pci_set_region(hose->regions + 0, + CONFIG_PCI_MEM_BUS, + CONFIG_PCI_MEM_PHYS, + CONFIG_PCI_MEM_SIZE, + PCI_REGION_MEM); + hose->region_count++; + + /* PCI IO space */ + pci_set_region(hose->regions + 1, + CONFIG_PCI_IO_BUS, + CONFIG_PCI_IO_PHYS, + CONFIG_PCI_IO_SIZE, + PCI_REGION_IO); + hose->region_count++; + + udelay(1000); + + pci_set_ops(hose, + pci_hose_read_config_byte_via_dword, + pci_hose_read_config_word_via_dword, + pci_sh4_read_config_dword, + pci_hose_write_config_byte_via_dword, + pci_hose_write_config_word_via_dword, + pci_sh4_write_config_dword); + + pci_register_hose(hose); + + udelay(1000); + +#ifdef CONFIG_PCI_SCAN_SHOW + printf("PCI: Bus Dev VenId DevId Class Int\n"); +#endif + hose->last_busno = pci_hose_scan(hose); + return 0; +} diff --git a/drivers/pci/pci_sh7751.c b/drivers/pci/pci_sh7751.c new file mode 100644 index 0000000..a058e1d --- /dev/null +++ b/drivers/pci/pci_sh7751.c @@ -0,0 +1,199 @@ +/* + * SH7751 PCI Controller (PCIC) for U-Boot. + * (C) Dustin McIntire (dustin@sensoria.com) + * (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <pci.h> + +/* Register addresses and such */ +#define SH7751_BCR1 (vu_long *)0xFF800000 +#define SH7751_BCR2 (vu_short*)0xFF800004 +#define SH7751_WCR1 (vu_long *)0xFF800008 +#define SH7751_WCR2 (vu_long *)0xFF80000C +#define SH7751_WCR3 (vu_long *)0xFF800010 +#define SH7751_MCR (vu_long *)0xFF800014 +#define SH7751_BCR3 (vu_short*)0xFF800050 +#define SH7751_PCICONF0 (vu_long *)0xFE200000 +#define SH7751_PCICONF1 (vu_long *)0xFE200004 +#define SH7751_PCICONF2 (vu_long *)0xFE200008 +#define SH7751_PCICONF3 (vu_long *)0xFE20000C +#define SH7751_PCICONF4 (vu_long *)0xFE200010 +#define SH7751_PCICONF5 (vu_long *)0xFE200014 +#define SH7751_PCICONF6 (vu_long *)0xFE200018 +#define SH7751_PCICR (vu_long *)0xFE200100 +#define SH7751_PCILSR0 (vu_long *)0xFE200104 +#define SH7751_PCILSR1 (vu_long *)0xFE200108 +#define SH7751_PCILAR0 (vu_long *)0xFE20010C +#define SH7751_PCILAR1 (vu_long *)0xFE200110 +#define SH7751_PCIMBR (vu_long *)0xFE2001C4 +#define SH7751_PCIIOBR (vu_long *)0xFE2001C8 +#define SH7751_PCIPINT (vu_long *)0xFE2001CC +#define SH7751_PCIPINTM (vu_long *)0xFE2001D0 +#define SH7751_PCICLKR (vu_long *)0xFE2001D4 +#define SH7751_PCIBCR1 (vu_long *)0xFE2001E0 +#define SH7751_PCIBCR2 (vu_long *)0xFE2001E4 +#define SH7751_PCIWCR1 (vu_long *)0xFE2001E8 +#define SH7751_PCIWCR2 (vu_long *)0xFE2001EC +#define SH7751_PCIWCR3 (vu_long *)0xFE2001F0 +#define SH7751_PCIMCR (vu_long *)0xFE2001F4 +#define SH7751_PCIBCR3 (vu_long *)0xFE2001F8 + +#define BCR1_BREQEN 0x00080000 +#define PCI_SH7751_ID 0x35051054 +#define PCI_SH7751R_ID 0x350E1054 +#define SH7751_PCICONF1_WCC 0x00000080 +#define SH7751_PCICONF1_PER 0x00000040 +#define SH7751_PCICONF1_BUM 0x00000004 +#define SH7751_PCICONF1_MES 0x00000002 +#define SH7751_PCICONF1_CMDS 0x000000C6 +#define SH7751_PCI_HOST_BRIDGE 0x6 +#define SH7751_PCICR_PREFIX 0xa5000000 +#define SH7751_PCICR_PRST 0x00000002 +#define SH7751_PCICR_CFIN 0x00000001 +#define SH7751_PCIPINT_D3 0x00000002 +#define SH7751_PCIPINT_D0 0x00000001 +#define SH7751_PCICLKR_PREFIX 0xa5000000 + +#define SH7751_PCI_MEM_BASE 0xFD000000 +#define SH7751_PCI_MEM_SIZE 0x01000000 +#define SH7751_PCI_IO_BASE 0xFE240000 +#define SH7751_PCI_IO_SIZE 0x00040000 + +#define SH7751_CS3_BASE_ADDR 0x0C000000 +#define SH7751_P2CS3_BASE_ADDR 0xAC000000 + +#define SH7751_PCIPAR (vu_long *)0xFE2001C0 +#define SH7751_PCIPDR (vu_long *)0xFE200220 + +#define p4_in(addr) *(addr) +#define p4_out(data,addr) *(addr) = (data) + +/* Double word */ +int pci_sh4_read_config_dword(struct pci_controller *hose, + pci_dev_t dev, int offset, u32 * value) +{ + u32 par_data = 0x80000000 | dev; + + p4_out(par_data | (offset & 0xfc), SH7751_PCIPAR); + *value = p4_in(SH7751_PCIPDR); + + return 0; +} + +int pci_sh4_write_config_dword(struct pci_controller *hose, + pci_dev_t dev, int offset, u32 * value) +{ + u32 par_data = 0x80000000 | dev; + + p4_out(par_data | (offset & 0xfc), SH7751_PCIPAR); + p4_out(value, SH7751_PCIPDR); + + return 0; +} + +int pci_sh7751_init(struct pci_controller *hose) +{ + /* Double-check that we're a 7751 or 7751R chip */ + if (p4_in(SH7751_PCICONF0) != PCI_SH7751_ID + && p4_in(SH7751_PCICONF0) != PCI_SH7751R_ID) { + printf("PCI: Unknown PCI host bridge.\n"); + return 1; + } + printf("PCI: SH7751 PCI host bridge found.\n"); + + /* Double-check some BSC config settings */ + /* (Area 3 non-MPX 32-bit, PCI bus pins) */ + if ((p4_in(SH7751_BCR1) & 0x20008) == 0x20000) { + printf("SH7751_BCR1 0x%08X\n", p4_in(SH7751_BCR1)); + return 2; + } + if ((p4_in(SH7751_BCR2) & 0xC0) != 0xC0) { + printf("SH7751_BCR2 0x%08X\n", p4_in(SH7751_BCR2)); + return 3; + } + if (p4_in(SH7751_BCR2) & 0x01) { + printf("SH7751_BCR2 0x%08X\n", p4_in(SH7751_BCR2)); + return 4; + } + + /* Force BREQEN in BCR1 to allow PCIC access */ + p4_out((p4_in(SH7751_BCR1) | BCR1_BREQEN), SH7751_BCR1); + + /* Toggle PCI reset pin */ + p4_out((SH7751_PCICR_PREFIX | SH7751_PCICR_PRST), SH7751_PCICR); + udelay(32); + p4_out(SH7751_PCICR_PREFIX, SH7751_PCICR); + + /* Set cmd bits: WCC, PER, BUM, MES */ + /* (Addr/Data stepping, Parity enabled, Bus Master, Memory enabled) */ + p4_out(0xfb900047, SH7751_PCICONF1); /* K.Kino */ + + /* Define this host as the host bridge */ + p4_out((SH7751_PCI_HOST_BRIDGE << 24), SH7751_PCICONF2); + + /* Force PCI clock(s) on */ + p4_out(0, SH7751_PCICLKR); + p4_out(0x03, SH7751_PCICLKR); + + /* Clear powerdown IRQs, also mask them (unused) */ + p4_out((SH7751_PCIPINT_D0 | SH7751_PCIPINT_D3), SH7751_PCIPINT); + p4_out(0, SH7751_PCIPINTM); + + p4_out(0xab000001, SH7751_PCICONF4); + + /* Set up target memory mappings (for external DMA access) */ + /* Map both P0 and P2 range to Area 3 RAM for ease of use */ + p4_out((64 - 1) << 20, SH7751_PCILSR0); + p4_out(SH7751_CS3_BASE_ADDR, SH7751_PCILAR0); + p4_out(0, SH7751_PCILSR1); + p4_out(0, SH7751_PCILAR1); + p4_out(SH7751_CS3_BASE_ADDR, SH7751_PCICONF5); + p4_out(0xd0000000, SH7751_PCICONF6); + + /* Map memory window to same address on PCI bus */ + p4_out(SH7751_PCI_MEM_BASE, SH7751_PCIMBR); + + /* Map IO window to same address on PCI bus */ + p4_out(0x2000 & 0xfffc0000, SH7751_PCIIOBR); + + /* set BREQEN */ + p4_out(inl(SH7751_BCR1) | 0x00080000, SH7751_BCR1); + + /* Copy BSC registers into PCI BSC */ + p4_out(inl(SH7751_BCR1), SH7751_PCIBCR1); + p4_out(inl(SH7751_BCR2), SH7751_PCIBCR2); + p4_out(inl(SH7751_BCR3), SH7751_PCIBCR3); + p4_out(inl(SH7751_WCR1), SH7751_PCIWCR1); + p4_out(inl(SH7751_WCR2), SH7751_PCIWCR2); + p4_out(inl(SH7751_WCR3), SH7751_PCIWCR3); + p4_out(inl(SH7751_MCR), SH7751_PCIMCR); + + /* Finally, set central function init complete */ + p4_out((SH7751_PCICR_PREFIX | SH7751_PCICR_CFIN), SH7751_PCICR); + + pci_sh4_init(hose); + + return 0; +} diff --git a/drivers/pci/pci_sh7780.c b/drivers/pci/pci_sh7780.c new file mode 100644 index 0000000..d63d67d --- /dev/null +++ b/drivers/pci/pci_sh7780.c @@ -0,0 +1,107 @@ +/* + * SH7780 PCI Controller (PCIC) for U-Boot. + * (C) Dustin McIntire (dustin@sensoria.com) + * (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> + * (C) 2008 Yusuke Goda <goda.yusuke@renesas.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> + +#include <asm/processor.h> +#include <asm/io.h> +#include <pci.h> + +#define SH7780_VENDOR_ID 0x1912 +#define SH7780_DEVICE_ID 0x0002 +#define SH7780_PCICR_PREFIX 0xA5000000 +#define SH7780_PCICR_PFCS 0x00000800 +#define SH7780_PCICR_FTO 0x00000400 +#define SH7780_PCICR_PFE 0x00000200 +#define SH7780_PCICR_TBS 0x00000100 +#define SH7780_PCICR_ARBM 0x00000040 +#define SH7780_PCICR_IOCS 0x00000004 +#define SH7780_PCICR_PRST 0x00000002 +#define SH7780_PCICR_CFIN 0x00000001 + +#define p4_in(addr) *((vu_long *)addr) +#define p4_out(data,addr) *(vu_long *)(addr) = (data) +#define p4_inw(addr) *((vu_short *)addr) +#define p4_outw(data,addr) *(vu_short *)(addr) = (data) + +int pci_sh4_read_config_dword(struct pci_controller *hose, + pci_dev_t dev, int offset, u32 *value) +{ + u32 par_data = 0x80000000 | dev; + + p4_out(par_data | (offset & 0xfc), SH7780_PCIPAR); + *value = p4_in(SH7780_PCIPDR); + + return 0; +} + +int pci_sh4_write_config_dword(struct pci_controller *hose, + pci_dev_t dev, int offset, u32 value) +{ + u32 par_data = 0x80000000 | dev; + + p4_out(par_data | (offset & 0xfc), SH7780_PCIPAR); + p4_out(value, SH7780_PCIPDR); + return 0; +} + +int pci_sh7780_init(struct pci_controller *hose) +{ + p4_out(0x01, SH7780_PCIECR); + + if (p4_inw(SH7780_PCIVID) != SH7780_VENDOR_ID + && p4_inw(SH7780_PCIDID) != SH7780_DEVICE_ID){ + printf("PCI: Unknown PCI host bridge.\n"); + return; + } + printf("PCI: SH7780 PCI host bridge found.\n"); + + /* Toggle PCI reset pin */ + p4_out((SH7780_PCICR_PREFIX | SH7780_PCICR_PRST), SH7780_PCICR); + udelay(100000); + p4_out(SH7780_PCICR_PREFIX, SH7780_PCICR); + p4_outw(0x0047, SH7780_PCICMD); + + p4_out(0x07F00001, SH7780_PCILSR0); + p4_out(0x08000000, SH7780_PCILAR0); + p4_out(0x00000000, SH7780_PCILSR1); + p4_out(0, SH7780_PCILAR1); + p4_out(0x08000000, SH7780_PCIMBAR0); + p4_out(0x00000000, SH7780_PCIMBAR1); + + p4_out(0xFD000000, SH7780_PCIMBR0); + p4_out(0x00FC0000, SH7780_PCIMBMR0); + + /* if use Operand Cache then enable PCICSCR Soonp bits. */ + p4_out(0x08000000, SH7780_PCICSAR0); + p4_out(0x0000001B, SH7780_PCICSCR0); /* Snoop bit :On */ + + p4_out((SH7780_PCICR_PREFIX | SH7780_PCICR_CFIN | SH7780_PCICR_ARBM + | SH7780_PCICR_FTO | SH7780_PCICR_PFCS | SH7780_PCICR_PFE), + SH7780_PCICR); + + pci_sh4_init(hose); + return 0; +} diff --git a/drivers/serial/serial_sh.c b/drivers/serial/serial_sh.c index 70fd23f..522f96d 100644 --- a/drivers/serial/serial_sh.c +++ b/drivers/serial/serial_sh.c @@ -37,39 +37,46 @@ #define SCFCR (vu_short *)(SCIF_BASE + 0x18) #define SCFDR (vu_short *)(SCIF_BASE + 0x1C) #ifdef CONFIG_CPU_SH7720 /* SH7720 specific */ -#define SCFSR (vu_short *)(SCIF_BASE + 0x14) /* SCSSR */ -#define SCFTDR (vu_char *)(SCIF_BASE + 0x20) -#define SCFRDR (vu_char *)(SCIF_BASE + 0x24) +# define SCFSR (vu_short *)(SCIF_BASE + 0x14) /* SCSSR */ +# define SCFTDR (vu_char *)(SCIF_BASE + 0x20) +# define SCFRDR (vu_char *)(SCIF_BASE + 0x24) #else -#define SCFTDR (vu_char *)(SCIF_BASE + 0xC) -#define SCFSR (vu_short *)(SCIF_BASE + 0x10) -#define SCFRDR (vu_char *)(SCIF_BASE + 0x14) +# define SCFTDR (vu_char *)(SCIF_BASE + 0xC) +# define SCFSR (vu_short *)(SCIF_BASE + 0x10) +# define SCFRDR (vu_char *)(SCIF_BASE + 0x14) #endif -#if defined(CONFIG_SH4A) -#define SCRFDR (vu_short *)(SCIF_BASE + 0x20) -#define SCSPTR (vu_short *)(SCIF_BASE + 0x24) -#define SCLSR (vu_short *)(SCIF_BASE + 0x28) -#define SCRER (vu_short *)(SCIF_BASE + 0x2C) -#define LSR_ORER 1 -#elif defined (CONFIG_SH4) -#define SCSPTR (vu_short *)(SCIF_BASE + 0x20) -#define SCLSR (vu_short *)(SCIF_BASE + 0x24) -#define LSR_ORER 1 -#elif defined (CONFIG_SH3) -#ifdef CONFIG_CPU_SH7720 /* SH7720 specific */ -#define SCLSR (vu_short *)(SCIF_BASE + 0x24) -#define LSR_ORER 0x0200 -#else -#define SCLSR SCFSR /* SCSSR */ -#define LSR_ORER 1 -#endif +#if defined(CONFIG_CPU_SH7780) || \ + defined(CONFIG_CPU_SH7785) +# define SCRFDR (vu_short *)(SCIF_BASE + 0x20) +# define SCSPTR (vu_short *)(SCIF_BASE + 0x24) +# define SCLSR (vu_short *)(SCIF_BASE + 0x28) +# define SCRER (vu_short *)(SCIF_BASE + 0x2C) +# define LSR_ORER 1 +# define FIFOLEVEL_MASK 0xFF +#elif defined(CONFIG_CPU_SH7750) || \ + defined(CONFIG_CPU_SH7751) || \ + defined(CONFIG_CPU_SH7722) +# define SCSPTR (vu_short *)(SCIF_BASE + 0x20) +# define SCLSR (vu_short *)(SCIF_BASE + 0x24) +# define LSR_ORER 1 +# define FIFOLEVEL_MASK 0x1F +#elif defined(CONFIG_CPU_SH7720) +# define SCLSR (vu_short *)(SCIF_BASE + 0x24) +# define LSR_ORER 0x0200 +# define FIFOLEVEL_MASK 0x1F +#elif defined(CONFIG_CPU_SH7710) + defined(CONFIG_CPU_SH7712) +# define SCLSR SCFSR /* SCSSR */ +# define LSR_ORER 1 +# define FIFOLEVEL_MASK 0x1F #endif +/* SCBRR register value setting */ #if defined(CONFIG_CPU_SH7720) -#define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1) +# define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1) #else /* Generic SuperH */ -#define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) +# define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(32*bps)-1) #endif #define SCR_RE (1 << 4) @@ -105,14 +112,13 @@ int serial_init (void) return 0; } -static int serial_tx_fifo_level (void) -{ - return (*SCFDR >> 8) & 0x1F; -} - static int serial_rx_fifo_level (void) { - return (*SCFDR >> 0) & 0x1F; +#if defined(CONFIG_SH4A) + return (*SCRFDR >> 0) & FIFOLEVEL_MASK; +#else + return (*SCFDR >> 0) & FIFOLEVEL_MASK; +#endif } void serial_raw_putc (const char c) |