From 0c9ba2fb18aaad9f92faad2351e59721ae71bec4 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Thu, 7 Aug 2008 14:00:58 -0700 Subject: [PATCH] Enable i2c support, update mmc driver for beagle and overo, bump version to 1.42 and add time stamp to boot banner TODO: omap3evm --- board/omap3530beagle/omap3530beagle.c | 88 ++++-- board/overo/overo.c | 101 +++++-- cpu/omap3/config.mk | 2 +- cpu/omap3/mmc.c | 158 +++++----- cpu/omap3/mmc_host_def.h | 164 ---------- cpu/omap3/mmc_protocol.h | 246 --------------- drivers/Makefile | 2 +- drivers/omap24xx_i2c.c | 354 ++++++++++++++++++++++ include/asm/arch-omap3/clocks.h | 13 + include/asm/arch-omap3/i2c.h | 133 ++++----- include/asm/arch-omap3/mmc.h | 412 ++++++++++++++------------ include/asm/arch-omap3/mmc_host_def.h | 166 +++++++++++ include/asm/io.h | 335 +++++++++++++++++++++ include/asm/memory.h | 137 +++++++++ include/asm/types.h | 1 + include/configs/omap3530beagle.h | 11 +- include/configs/overo.h | 5 + include/i2c.h | 151 ++++++++++ include/mmc.h | 30 +- lib/board.c | 16 +- 20 files changed, 1717 insertions(+), 808 deletions(-) delete mode 100644 cpu/omap3/mmc_host_def.h delete mode 100644 cpu/omap3/mmc_protocol.h create mode 100644 drivers/omap24xx_i2c.c mode change 100755 => 100644 include/asm/arch-omap3/i2c.h mode change 100755 => 100644 include/asm/arch-omap3/mmc.h create mode 100644 include/asm/arch-omap3/mmc_host_def.h create mode 100644 include/asm/io.h create mode 100644 include/asm/memory.h create mode 100644 include/i2c.h diff --git a/board/omap3530beagle/omap3530beagle.c b/board/omap3530beagle/omap3530beagle.c index 79e6d71..19dd405 100644 --- a/board/omap3530beagle/omap3530beagle.c +++ b/board/omap3530beagle/omap3530beagle.c @@ -66,6 +66,10 @@ static inline void delay(unsigned long loops) "bne 1b":"=r" (loops):"0"(loops)); } +void udelay (unsigned long usecs) { + delay(usecs); +} + /***************************************** * Routine: board_init * Description: Early hardware init. @@ -596,6 +600,28 @@ void per_clocks_enable(void) #endif +#ifdef CONFIG_DRIVER_OMAP34XX_I2C + /* Turn on all 3 I2C clocks */ + sr32(CM_FCLKEN1_CORE, 15, 3, 0x7); + sr32(CM_ICLKEN1_CORE, 15, 3, 0x7); /* I2C1,2,3 = on */ +#endif + + /* Enable the ICLK for 32K Sync Timer as its used in udelay */ + sr32(CM_ICLKEN_WKUP, 2, 1, 0x1); + + sr32(CM_FCLKEN_IVA2, 0, 32, FCK_IVA2_ON); + sr32(CM_FCLKEN1_CORE, 0, 32, FCK_CORE1_ON); + sr32(CM_ICLKEN1_CORE, 0, 32, ICK_CORE1_ON); + sr32(CM_ICLKEN2_CORE, 0, 32, ICK_CORE2_ON); + sr32(CM_FCLKEN_WKUP, 0, 32, FCK_WKUP_ON); + sr32(CM_ICLKEN_WKUP, 0, 32, ICK_WKUP_ON); + sr32(CM_FCLKEN_DSS, 0, 32, FCK_DSS_ON); + sr32(CM_ICLKEN_DSS, 0, 32, ICK_DSS_ON); + sr32(CM_FCLKEN_CAM, 0, 32, FCK_CAM_ON); + sr32(CM_ICLKEN_CAM, 0, 32, ICK_CAM_ON); + sr32(CM_FCLKEN_PER, 0, 32, FCK_PER_ON); + sr32(CM_ICLKEN_PER, 0, 32, ICK_PER_ON); + /* Enable GPIO5 clocks for blinky LEDs */ sr32(CM_FCLKEN_PER, 16, 1, 0x1); /* FCKen GPIO5 */ sr32(CM_ICLKEN_PER, 16, 1, 0x1); /* ICKen GPIO5 */ @@ -707,6 +733,16 @@ void per_clocks_enable(void) MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\ MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\ MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\ + MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)) /*MMC1_CLK*/\ + MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)) /*MMC1_CMD*/\ + MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)) /*MMC1_DAT0*/\ + MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)) /*MMC1_DAT1*/\ + MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)) /*MMC1_DAT2*/\ + MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)) /*MMC1_DAT3*/\ + MUX_VAL(CP(MMC1_DAT4), (IEN | PTU | EN | M0)) /*MMC1_DAT4*/\ + MUX_VAL(CP(MMC1_DAT5), (IEN | PTU | EN | M0)) /*MMC1_DAT5*/\ + MUX_VAL(CP(MMC1_DAT6), (IEN | PTU | EN | M0)) /*MMC1_DAT6*/\ + MUX_VAL(CP(MMC1_DAT7), (IEN | PTU | EN | M0)) /*MMC1_DAT7*/\ MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\ MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M4)) /*GPIO_149*/\ MUX_VAL(CP(UART1_CTS), (IDIS | PTD | DIS | M4)) /*GPIO_150*/\ @@ -715,6 +751,14 @@ void per_clocks_enable(void) MUX_VAL(CP(UART3_RTS_SD), (IDIS | PTD | DIS | M0)) /*UART3_RTS_SD */\ MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)) /*UART3_RX_IRRX*/\ MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)) /*UART3_TX_IRTX*/\ + MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)) /*I2C1_SCL*/\ + MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)) /*I2C1_SDA*/\ + MUX_VAL(CP(I2C2_SCL), (IEN | PTU | EN | M0)) /*I2C2_SCL*/\ + MUX_VAL(CP(I2C2_SDA), (IEN | PTU | EN | M0)) /*I2C2_SDA*/\ + MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0)) /*I2C3_SCL*/\ + MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0)) /*I2C3_SDA*/\ + MUX_VAL(CP(I2C4_SCL), (IEN | PTU | EN | M0)) /*I2C4_SCL*/\ + MUX_VAL(CP(I2C4_SDA), (IEN | PTU | EN | M0)) /*I2C4_SDA*/\ MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\ MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\ MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\ @@ -847,39 +891,23 @@ void blinkLEDs() } } -typedef int (mmc_boot_addr) (void); -int mmc_boot(unsigned char *buf) -{ - - long size = 0; -#ifdef CFG_CMD_FAT - block_dev_desc_t *dev_desc = NULL; - unsigned char ret = 0; - - printf("Starting X-loader on MMC \n"); - - ret = mmc_init(1); - if (ret == 0) { - printf("\n MMC init failed \n"); - return 0; - } - - dev_desc = mmc_get_dev(0); - fat_register_device(dev_desc, 1); - size = file_fat_read("u-boot.bin", buf, 0); - if (size == -1) - return 0; - - printf("\n%ld Bytes Read from MMC \n", size); - - printf("Starting OS Bootloader from MMC...\n"); -#endif - return size; -} - /* optionally do something like blinking LED */ void board_hang(void) { while (1) blinkLEDs(); } + +/****************************************************************************** + * Dummy function to handle errors for EABI incompatibility + *****************************************************************************/ +void raise(void) +{ +} + +/****************************************************************************** + * Dummy function to handle errors for EABI incompatibility + *****************************************************************************/ +void abort(void) +{ +} diff --git a/board/overo/overo.c b/board/overo/overo.c index 0d4aba5..ec00ddf 100644 --- a/board/overo/overo.c +++ b/board/overo/overo.c @@ -69,6 +69,10 @@ static inline void delay(unsigned long loops) "bne 1b":"=r" (loops):"0"(loops)); } +void udelay (unsigned long usecs) { + delay(usecs); +} + /***************************************** * Routine: board_init * Description: Early hardware init. @@ -525,6 +529,13 @@ void s_init(void) ********************************************************/ int misc_init_r(void) { + /* REMOVE!! for proto boards only */ + /* set vaux2 to 2.8V */ + unsigned char byte = 0x20; + i2c_write(0x4B, 0x76, 1, &byte, 1); + byte = 0x09; + i2c_write(0x4B, 0x79, 1, &byte, 1); + return 0; } @@ -590,6 +601,33 @@ void per_clocks_enable(void) sr32(CM_ICLKEN_PER, 11, 1, 0x1); #endif + +#ifdef CONFIG_DRIVER_OMAP34XX_I2C + /* Turn on all 3 I2C clocks */ + sr32(CM_FCLKEN1_CORE, 15, 3, 0x7); + sr32(CM_ICLKEN1_CORE, 15, 3, 0x7); /* I2C1,2,3 = on */ +#endif + + /* Enable the ICLK for 32K Sync Timer as its used in udelay */ + sr32(CM_ICLKEN_WKUP, 2, 1, 0x1); + + sr32(CM_FCLKEN_IVA2, 0, 32, FCK_IVA2_ON); + sr32(CM_FCLKEN1_CORE, 0, 32, FCK_CORE1_ON); + sr32(CM_ICLKEN1_CORE, 0, 32, ICK_CORE1_ON); + sr32(CM_ICLKEN2_CORE, 0, 32, ICK_CORE2_ON); + sr32(CM_FCLKEN_WKUP, 0, 32, FCK_WKUP_ON); + sr32(CM_ICLKEN_WKUP, 0, 32, ICK_WKUP_ON); + sr32(CM_FCLKEN_DSS, 0, 32, FCK_DSS_ON); + sr32(CM_ICLKEN_DSS, 0, 32, ICK_DSS_ON); + sr32(CM_FCLKEN_CAM, 0, 32, FCK_CAM_ON); + sr32(CM_ICLKEN_CAM, 0, 32, ICK_CAM_ON); + sr32(CM_FCLKEN_PER, 0, 32, FCK_PER_ON); + sr32(CM_ICLKEN_PER, 0, 32, ICK_PER_ON); + + /* Enable GPIO5 clocks for blinky LEDs */ + sr32(CM_FCLKEN_PER, 16, 1, 0x1); /* FCKen GPIO5 */ + sr32(CM_ICLKEN_PER, 16, 1, 0x1); /* ICKen GPIO5 */ + delay(1000); } @@ -697,6 +735,16 @@ void per_clocks_enable(void) MUX_VAL(CP(DSS_DATA20), (IEN | PTD | DIS | M4)) /*GPIO_90*/\ MUX_VAL(CP(DSS_DATA21), (IEN | PTD | DIS | M4)) /*GPIO_91*/\ MUX_VAL(CP(CAM_WEN), (IEN | PTD | DIS | M4)) /*GPIO_167*/\ + MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)) /*MMC1_CLK*/\ + MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)) /*MMC1_CMD*/\ + MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)) /*MMC1_DAT0*/\ + MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)) /*MMC1_DAT1*/\ + MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)) /*MMC1_DAT2*/\ + MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)) /*MMC1_DAT3*/\ + MUX_VAL(CP(MMC1_DAT4), (IEN | PTU | EN | M0)) /*MMC1_DAT4*/\ + MUX_VAL(CP(MMC1_DAT5), (IEN | PTU | EN | M0)) /*MMC1_DAT5*/\ + MUX_VAL(CP(MMC1_DAT6), (IEN | PTU | EN | M0)) /*MMC1_DAT6*/\ + MUX_VAL(CP(MMC1_DAT7), (IEN | PTU | EN | M0)) /*MMC1_DAT7*/\ MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)) /*UART1_TX*/\ MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)) /*UART1_RTS*/\ MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)) /*UART1_CTS*/\ @@ -705,6 +753,14 @@ void per_clocks_enable(void) MUX_VAL(CP(UART3_RTS_SD), (IDIS | PTD | DIS | M0)) /*UART3_RTS_SD */\ MUX_VAL(CP(UART3_RX_IRRX), (IEN | PTD | DIS | M0)) /*UART3_RX_IRRX*/\ MUX_VAL(CP(UART3_TX_IRTX), (IDIS | PTD | DIS | M0)) /*UART3_TX_IRTX*/\ + MUX_VAL(CP(I2C1_SCL), (IEN | PTU | EN | M0)) /*I2C1_SCL*/\ + MUX_VAL(CP(I2C1_SDA), (IEN | PTU | EN | M0)) /*I2C1_SDA*/\ + MUX_VAL(CP(I2C2_SCL), (IEN | PTU | EN | M0)) /*I2C2_SCL*/\ + MUX_VAL(CP(I2C2_SDA), (IEN | PTU | EN | M0)) /*I2C2_SDA*/\ + MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0)) /*I2C3_SCL*/\ + MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0)) /*I2C3_SDA*/\ + MUX_VAL(CP(I2C4_SCL), (IEN | PTU | EN | M0)) /*I2C4_SCL*/\ + MUX_VAL(CP(I2C4_SDA), (IEN | PTU | EN | M0)) /*I2C4_SDA*/\ MUX_VAL(CP(McBSP1_DX), (IEN | PTD | DIS | M4)) /*GPIO_158*/\ MUX_VAL(CP(SYS_32K), (IEN | PTD | DIS | M0)) /*SYS_32K*/\ MUX_VAL(CP(SYS_BOOT0), (IEN | PTD | DIS | M4)) /*GPIO_2 */\ @@ -810,40 +866,23 @@ int nand_init(void) return 0; } - -typedef int (mmc_boot_addr) (void); -int mmc_boot(unsigned char *buf) -{ - - long size = 0; -#ifdef CFG_CMD_FAT - block_dev_desc_t *dev_desc = NULL; - unsigned char ret = 0; - - printf("Starting X-loader on MMC \n"); - - ret = mmc_init(1); - if (ret == 0) { - printf("\n MMC init failed \n"); - return 0; - } - - dev_desc = mmc_get_dev(0); - fat_register_device(dev_desc, 1); - size = file_fat_read("u-boot.bin", buf, 0); - if (size == -1) - return 0; - - printf("\n%ld Bytes Read from MMC \n", size); - - printf("Starting OS Bootloader from MMC...\n"); -#endif - return size; -} - /* optionally do something like blinking LED */ void board_hang(void) { while (0) ; } + +/****************************************************************************** + * Dummy function to handle errors for EABI incompatibility + *****************************************************************************/ +void raise(void) +{ +} + +/****************************************************************************** + * Dummy function to handle errors for EABI incompatibility + *****************************************************************************/ +void abort(void) +{ +} diff --git a/cpu/omap3/config.mk b/cpu/omap3/config.mk index e802035..29c8343 100644 --- a/cpu/omap3/config.mk +++ b/cpu/omap3/config.mk @@ -28,5 +28,5 @@ PLATFORM_CPPFLAGS += -march=armv7a # Supply options according to compiler version # # ========================================================================= -PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32,-mabi=apcs-gnu) +PLATFORM_CPPFLAGS +=$(call cc-option,-mapcs-32) PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) diff --git a/cpu/omap3/mmc.c b/cpu/omap3/mmc.c index 4b95093..e0c63b0 100644 --- a/cpu/omap3/mmc.c +++ b/cpu/omap3/mmc.c @@ -22,19 +22,30 @@ * MA 02111-1307 USA */ - #include #include -#include #include - -#ifdef CFG_CMD_MMC - -#include "mmc_host_def.h" -#include "mmc_protocol.h" - -#define OMAP_MMC_MASTER_CLOCK 96000000 -extern int fat_register_device(block_dev_desc_t *dev_desc, int part_no); +#include +#include +#include + +const unsigned short mmc_transspeed_val[15][4] = { + {CLKD(10, 1), CLKD(10, 10), CLKD(10, 100), CLKD(10, 1000)}, + {CLKD(12, 1), CLKD(12, 10), CLKD(12, 100), CLKD(12, 1000)}, + {CLKD(13, 1), CLKD(13, 10), CLKD(13, 100), CLKD(13, 1000)}, + {CLKD(15, 1), CLKD(15, 10), CLKD(15, 100), CLKD(15, 1000)}, + {CLKD(20, 1), CLKD(20, 10), CLKD(20, 100), CLKD(20, 1000)}, + {CLKD(26, 1), CLKD(26, 10), CLKD(26, 100), CLKD(26, 1000)}, + {CLKD(30, 1), CLKD(30, 10), CLKD(30, 100), CLKD(30, 1000)}, + {CLKD(35, 1), CLKD(35, 10), CLKD(35, 100), CLKD(35, 1000)}, + {CLKD(40, 1), CLKD(40, 10), CLKD(40, 100), CLKD(40, 1000)}, + {CLKD(45, 1), CLKD(45, 10), CLKD(45, 100), CLKD(45, 1000)}, + {CLKD(52, 1), CLKD(52, 10), CLKD(52, 100), CLKD(52, 1000)}, + {CLKD(55, 1), CLKD(55, 10), CLKD(55, 100), CLKD(55, 1000)}, + {CLKD(60, 1), CLKD(60, 10), CLKD(60, 100), CLKD(60, 1000)}, + {CLKD(70, 1), CLKD(70, 10), CLKD(70, 100), CLKD(70, 1000)}, + {CLKD(80, 1), CLKD(80, 10), CLKD(80, 100), CLKD(80, 1000)} +}; mmc_card_data cur_card_data; static block_dev_desc_t mmc_blk_dev; @@ -44,10 +55,22 @@ block_dev_desc_t *mmc_get_dev(int dev) return ((block_dev_desc_t *) &mmc_blk_dev); } +void twl4030_mmc_config(void) +{ + unsigned char data; + + data = 0x20; + i2c_write(0x4B, 0x82, 1, &data, 1); + data = 0x2; + i2c_write(0x4B, 0x85, 1, &data, 1); +} + unsigned char mmc_board_init(void) { unsigned int value = 0; + twl4030_mmc_config(); + value = CONTROL_PBIAS_LITE; CONTROL_PBIAS_LITE = value | (1 << 2) | (1 << 1) | (1 << 9); @@ -102,8 +125,8 @@ unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div) mmc_reg_out(OMAP_HSMMC_SYSCTL, ICE_MASK | CLKD_MASK, (val << CLKD_OFFSET) | ICE_OSCILLATE); - while ((OMAP_HSMMC_SYSCTL & ICS_MASK) == ICS_NOTREADY); - + while ((OMAP_HSMMC_SYSCTL & ICS_MASK) == ICS_NOTREADY) { + } OMAP_HSMMC_SYSCTL |= CEN_ENABLE; return 1; @@ -112,7 +135,6 @@ unsigned char mmc_clock_config(unsigned int iclk, unsigned short clk_div) unsigned char mmc_init_setup(void) { unsigned int reg_val; - unsigned int val = 0; mmc_board_init(); @@ -143,10 +165,10 @@ unsigned char mmc_init_setup(void) unsigned char mmc_send_cmd(unsigned int cmd, unsigned int arg, unsigned int *response) { - unsigned int mmc_stat; - - while ((OMAP_HSMMC_PSTATE & DATI_MASK) == DATI_CMDDIS); + volatile unsigned int mmc_stat; + while ((OMAP_HSMMC_PSTATE & DATI_MASK) == DATI_CMDDIS) { + } OMAP_HSMMC_BLK = BLEN_512BYTESLEN | NBLK_STPCNT; OMAP_HSMMC_STAT = 0xFFFFFFFF; @@ -161,8 +183,7 @@ unsigned char mmc_send_cmd(unsigned int cmd, unsigned int arg, } while (mmc_stat == 0); if ((mmc_stat & ERRI_MASK) != 0) - return (unsigned char)mmc_stat; - + return (unsigned char) mmc_stat; if (mmc_stat & CC_MASK) { OMAP_HSMMC_STAT = CC_MASK; @@ -180,7 +201,7 @@ unsigned char mmc_send_cmd(unsigned int cmd, unsigned int arg, unsigned char mmc_read_data(unsigned int *output_buf) { - unsigned int mmc_stat; + volatile unsigned int mmc_stat; unsigned int read_count = 0; /* @@ -192,7 +213,7 @@ unsigned char mmc_read_data(unsigned int *output_buf) } while (mmc_stat == 0); if ((mmc_stat & ERRI_MASK) != 0) - return (unsigned char)mmc_stat; + return (unsigned char) mmc_stat; if (mmc_stat & BRR_MASK) { unsigned int k; @@ -351,7 +372,7 @@ unsigned char mmc_read_cardsize(mmc_card_data *mmc_dev_data, err = mmc_send_cmd(MMC_CMD8, argument, resp); if (err != 1) return err; - err = mmc_read_data((unsigned int *)&ext_csd); + err = mmc_read_data((unsigned int *) &ext_csd); if (err != 1) return err; mmc_dev_data->size = ext_csd.sectorcount; @@ -371,11 +392,9 @@ unsigned char mmc_read_cardsize(mmc_card_data *mmc_dev_data, card_size = (cur_csd->c_size_lsb & MMC_CSD_C_SIZE_LSB_MASK) | ((cur_csd->c_size_msb & MMC_CSD_C_SIZE_MSB_MASK) << MMC_CSD_C_SIZE_MSB_OFFSET); - blk_no = (card_size + 1) * count; blk_len = 1 << cur_csd->read_bl_len; size = blk_no * blk_len; - mmc_dev_data->size = size / MMCSD_SECTOR_SIZE; if (mmc_dev_data->size == 0) return 0; @@ -385,7 +404,7 @@ unsigned char mmc_read_cardsize(mmc_card_data *mmc_dev_data, unsigned char omap_mmc_read_sect(unsigned int start_sec, unsigned int num_bytes, mmc_card_data *mmc_c, - unsigned int *output_buf) + unsigned long *output_buf) { unsigned char err; unsigned int argument; @@ -410,8 +429,7 @@ unsigned char omap_mmc_read_sect(unsigned int start_sec, unsigned int num_bytes, if (err != 1) return err; - - err = mmc_read_data(output_buf); + err = mmc_read_data((unsigned int *) output_buf); if (err != 1) return err; @@ -427,13 +445,14 @@ unsigned char configure_mmc(mmc_card_data *mmc_card_cur) unsigned char ret_val; unsigned int argument; unsigned int resp[4]; - unsigned int trans_fact, trans_unit, retries = 2; - unsigned int max_dtr; - int dsor; + unsigned int trans_clk, trans_fact, trans_unit, retries = 2; mmc_csd_reg_t Card_CSD; unsigned char trans_speed; - mmc_init_setup(); + ret_val = mmc_init_setup(); + + if (ret_val != 1) + return ret_val; do { ret_val = mmc_detect_card(mmc_card_cur); @@ -445,10 +464,10 @@ unsigned char configure_mmc(mmc_card_data *mmc_card_cur) if (ret_val != 1) return ret_val; - ((unsigned int *)&Card_CSD)[3] = resp[3]; - ((unsigned int *)&Card_CSD)[2] = resp[2]; - ((unsigned int *)&Card_CSD)[1] = resp[1]; - ((unsigned int *)&Card_CSD)[0] = resp[0]; + ((unsigned int *) &Card_CSD)[3] = resp[3]; + ((unsigned int *) &Card_CSD)[2] = resp[2]; + ((unsigned int *) &Card_CSD)[1] = resp[1]; + ((unsigned int *) &Card_CSD)[0] = resp[0]; if (mmc_card_cur->card_type == MMC_CARD) mmc_card_cur->version = Card_CSD.spec_vers; @@ -472,15 +491,9 @@ unsigned char configure_mmc(mmc_card_data *mmc_card_cur) trans_unit >>= 0; trans_fact >>= 3; - max_dtr = tran_exp[trans_unit] * tran_mant[trans_fact]; - dsor = OMAP_MMC_MASTER_CLOCK / max_dtr; + trans_clk = mmc_transspeed_val[trans_fact - 1][trans_unit] * 2; + ret_val = mmc_clock_config(CLK_MISC, trans_clk); - if (dsor == 4) - dsor = 5; - if (dsor == 3) - dsor = 4; - - ret_val = mmc_clock_config(CLK_MISC, dsor); if (ret_val != 1) return ret_val; @@ -502,56 +515,51 @@ unsigned char configure_mmc(mmc_card_data *mmc_card_cur) return 1; } - -unsigned long mmc_bread(int dev_num, ulong blknr, ulong blkcnt, ulong *dst) +unsigned long mmc_bread(int dev_num, unsigned long blknr, lbaint_t blkcnt, + void *dst) { omap_mmc_read_sect(blknr, (blkcnt * MMCSD_SECTOR_SIZE), &cur_card_data, - (unsigned long *)dst); + (unsigned long *) dst); + return 1; } int mmc_init(int verbose) { - unsigned char ret = 0; + unsigned char ret; ret = configure_mmc(&cur_card_data); - if (ret == 0) - return 0; - - mmc_blk_dev.if_type = IF_TYPE_MMC; - mmc_blk_dev.part_type = PART_TYPE_DOS; - mmc_blk_dev.dev = 0; - mmc_blk_dev.lun = 0; - mmc_blk_dev.type = 0; - /* FIXME fill in the correct size (is set to 32MByte) */ - mmc_blk_dev.blksz = MMCSD_SECTOR_SIZE; - mmc_blk_dev.lba = 0x10000; - mmc_blk_dev.removable = 0; - mmc_blk_dev.block_read = mmc_bread; + if (ret == 1) { + mmc_blk_dev.if_type = IF_TYPE_MMC; + mmc_blk_dev.part_type = PART_TYPE_DOS; + mmc_blk_dev.dev = 0; + mmc_blk_dev.lun = 0; + mmc_blk_dev.type = 0; - fat_register_device(&mmc_blk_dev, 1); + /* FIXME fill in the correct size (is set to 32MByte) */ + mmc_blk_dev.blksz = MMCSD_SECTOR_SIZE; + mmc_blk_dev.lba = 0x10000; + mmc_blk_dev.removable = 0; + mmc_blk_dev.block_read = mmc_bread; - return 1; + fat_register_device(&mmc_blk_dev, 1); + return 1; + } + else + return 0; } -int mmc_read(unsigned int src, unsigned char *dst, int size) +int mmc_read(ulong src, uchar *dst, int size) { - /* - * NOT Implemented - */ + return 0; } -int mmc_write(unsigned char *src, unsigned long dst, int size) + +int mmc_write(uchar *src, ulong dst, int size) { - /* - * NOT Implemented - */ + return 0; } -int mmc2info(unsigned int addr) +int mmc2info(ulong addr) { - /* - * NOT Implemented - */ + return 0; } -#endif - diff --git a/cpu/omap3/mmc_host_def.h b/cpu/omap3/mmc_host_def.h deleted file mode 100644 index b5dd040..0000000 --- a/cpu/omap3/mmc_host_def.h +++ /dev/null @@ -1,164 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, - * Syed Mohammed Khasim - * - * 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's version 2 of - * the License. - * - * 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 MMC_HOST_DEFINITIONS_H -#define MMC_HOST_DEFINITIONS_H - -/* - * OMAP HSMMC register definitions - */ -#define OMAP_HSMMC_SYSCONFIG (*(unsigned int *) 0x4809C010) -#define OMAP_HSMMC_SYSSTATUS (*(unsigned int *) 0x4809C014) -#define OMAP_HSMMC_CON (*(unsigned int *) 0x4809C02C) -#define OMAP_HSMMC_BLK (*(unsigned int *) 0x4809C104) -#define OMAP_HSMMC_ARG (*(unsigned int *) 0x4809C108) -#define OMAP_HSMMC_CMD (*(unsigned int *) 0x4809C10C) -#define OMAP_HSMMC_RSP10 (*(unsigned int *) 0x4809C110) -#define OMAP_HSMMC_RSP32 (*(unsigned int *) 0x4809C114) -#define OMAP_HSMMC_RSP54 (*(unsigned int *) 0x4809C118) -#define OMAP_HSMMC_RSP76 (*(unsigned int *) 0x4809C11C) -#define OMAP_HSMMC_DATA (*(unsigned int *) 0x4809C120) -#define OMAP_HSMMC_PSTATE (*(unsigned int *) 0x4809C124) -#define OMAP_HSMMC_HCTL (*(unsigned int *) 0x4809C128) -#define OMAP_HSMMC_SYSCTL (*(unsigned int *) 0x4809C12C) -#define OMAP_HSMMC_STAT (*(unsigned int *) 0x4809C130) -#define OMAP_HSMMC_IE (*(unsigned int *) 0x4809C134) -#define OMAP_HSMMC_CAPA (*(unsigned int *) 0x4809C140) - -/* T2 Register definitions */ -#define CONTROL_DEV_CONF0 (*(unsigned int *) 0x48002274) -#define CONTROL_PBIAS_LITE (*(unsigned int *) 0x48002520) - -/* - * OMAP HS MMC Bit definitions - */ -#define MMC_SOFTRESET (0x1 << 1) -#define RESETDONE (0x1 << 0) -#define NOOPENDRAIN (0x0 << 0) -#define OPENDRAIN (0x1 << 0) -#define OD (0x1 << 0) -#define INIT_NOINIT (0x0 << 1) -#define INIT_INITSTREAM (0x1 << 1) -#define HR_NOHOSTRESP (0x0 << 2) -#define STR_BLOCK (0x0 << 3) -#define MODE_FUNC (0x0 << 4) -#define DW8_1_4BITMODE (0x0 << 5) -#define MIT_CTO (0x0 << 6) -#define CDP_ACTIVEHIGH (0x0 << 7) -#define WPP_ACTIVEHIGH (0x0 << 8) -#define RESERVED_MASK (0x3 << 9) -#define CTPL_MMC_SD (0x0 << 11) -#define BLEN_512BYTESLEN (0x200 << 0) -#define NBLK_STPCNT (0x0 << 16) -#define DE_DISABLE (0x0 << 0) -#define BCE_DISABLE (0x0 << 1) -#define ACEN_DISABLE (0x0 << 2) -#define DDIR_OFFSET (4) -#define DDIR_MASK (0x1 << 4) -#define DDIR_WRITE (0x0 << 4) -#define DDIR_READ (0x1 << 4) -#define MSBS_SGLEBLK (0x0 << 5) -#define RSP_TYPE_OFFSET (16) -#define RSP_TYPE_MASK (0x3 << 16) -#define RSP_TYPE_NORSP (0x0 << 16) -#define RSP_TYPE_LGHT136 (0x1 << 16) -#define RSP_TYPE_LGHT48 (0x2 << 16) -#define RSP_TYPE_LGHT48B (0x3 << 16) -#define CCCE_NOCHECK (0x0 << 19) -#define CCCE_CHECK (0x1 << 19) -#define CICE_NOCHECK (0x0 << 20) -#define CICE_CHECK (0x1 << 20) -#define DP_OFFSET (21) -#define DP_MASK (0x1 << 21) -#define DP_NO_DATA (0x0 << 21) -#define DP_DATA (0x1 << 21) -#define CMD_TYPE_NORMAL (0x0 << 22) -#define INDEX_OFFSET (24) -#define INDEX_MASK (0x3f << 24) -#define INDEX(i) (i << 24) -#define DATI_MASK (0x1 << 1) -#define DATI_CMDDIS (0x1 << 1) -#define DTW_1_BITMODE (0x0 << 1) -#define DTW_4_BITMODE (0x1 << 1) -#define SDBP_PWROFF (0x0 << 8) -#define SDBP_PWRON (0x1 << 8) -#define SDVS_1V8 (0x5 << 9) -#define SDVS_3V0 (0x6 << 9) -#define ICE_MASK (0x1 << 0) -#define ICE_STOP (0x0 << 0) -#define ICS_MASK (0x1 << 1) -#define ICS_NOTREADY (0x0 << 1) -#define ICE_OSCILLATE (0x1 << 0) -#define CEN_MASK (0x1 << 2) -#define CEN_DISABLE (0x0 << 2) -#define CEN_ENABLE (0x1 << 2) -#define CLKD_OFFSET (6) -#define CLKD_MASK (0x3FF << 6) -#define DTO_MASK (0xF << 16) -#define DTO_15THDTO (0xE << 16) -#define SOFTRESETALL (0x1 << 24) -#define CC_MASK (0x1 << 0) -#define TC_MASK (0x1 << 1) -#define BWR_MASK (0x1 << 4) -#define BRR_MASK (0x1 << 5) -#define ERRI_MASK (0x1 << 15) -#define IE_CC (0x01 << 0) -#define IE_TC (0x01 << 1) -#define IE_BWR (0x01 << 4) -#define IE_BRR (0x01 << 5) -#define IE_CTO (0x01 << 16) -#define IE_CCRC (0x01 << 17) -#define IE_CEB (0x01 << 18) -#define IE_CIE (0x01 << 19) -#define IE_DTO (0x01 << 20) -#define IE_DCRC (0x01 << 21) -#define IE_DEB (0x01 << 22) -#define IE_CERR (0x01 << 28) -#define IE_BADA (0x01 << 29) - -#define VS30_3V0SUP (1 << 25) -#define VS18_1V8SUP (1 << 26) - -/* Driver definitions */ -#define MMCSD_SECTOR_SIZE (512) -#define MMC_CARD 0 -#define SD_CARD 1 -#define BYTE_MODE 0 -#define SECTOR_MODE 1 -#define CLK_INITSEQ 0 -#define CLK_400KHZ 1 -#define CLK_MISC 2 - -typedef struct { - unsigned int card_type; - unsigned int version; - unsigned int mode; - unsigned int size; - unsigned int RCA; -} mmc_card_data; - -#define mmc_reg_out(addr, mask, val) \ - (addr) = (((addr)) & (~(mask)) ) | ( (val) & (mask)); - -#endif /* MMC_HOST_DEFINITIONS_H */ diff --git a/cpu/omap3/mmc_protocol.h b/cpu/omap3/mmc_protocol.h deleted file mode 100644 index 107eb2a..0000000 --- a/cpu/omap3/mmc_protocol.h +++ /dev/null @@ -1,246 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, - * Syed Mohammed Khasim - * - * 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's version 2 of - * the License. - * - * 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 MMC_PROTOCOL_H -#define MMC_PROTOCOL_H - -#include "mmc_host_def.h" - -/* Responses */ -#define RSP_TYPE_NONE (RSP_TYPE_NORSP | CCCE_NOCHECK | CICE_NOCHECK) -#define RSP_TYPE_R1 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) -#define RSP_TYPE_R1B (RSP_TYPE_LGHT48B | CCCE_CHECK | CICE_CHECK) -#define RSP_TYPE_R2 (RSP_TYPE_LGHT136 | CCCE_CHECK | CICE_NOCHECK) -#define RSP_TYPE_R3 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK) -#define RSP_TYPE_R4 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK) -#define RSP_TYPE_R5 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) -#define RSP_TYPE_R6 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) -#define RSP_TYPE_R7 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) - -/* All supported commands */ -#define MMC_CMD0 (INDEX(0) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD1 (INDEX(1) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD2 (INDEX(2) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD3 (INDEX(3) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) -#define MMC_SDCMD3 (INDEX(3) | RSP_TYPE_R6 | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD4 (INDEX(4) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD6 (INDEX(6) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD7_SELECT (INDEX(7) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD7_DESELECT \ - (INDEX(7) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD8 (INDEX(8) | RSP_TYPE_R1 | DP_DATA | DDIR_READ) -#define MMC_SDCMD8 (INDEX(8) | RSP_TYPE_R7 | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD9 (INDEX(9) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD12 (INDEX(12) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD13 (INDEX(13) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD15 (INDEX(15) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD16 (INDEX(16) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) -#define MMC_CMD17 (INDEX(17) | RSP_TYPE_R1 | DP_DATA | DDIR_READ) -#define MMC_CMD24 (INDEX(24) | RSP_TYPE_R1 | DP_DATA | DDIR_WRITE) -#define MMC_ACMD6 (INDEX(6) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) -#define MMC_ACMD41 (INDEX(41) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE) -#define MMC_ACMD51 (INDEX(51) | RSP_TYPE_R1 | DP_DATA | DDIR_READ) -#define MMC_CMD55 (INDEX(55) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) - -#define MMC_AC_CMD_RCA_MASK (unsigned int)(0xFFFF << 16) -#define MMC_BC_CMD_DSR_MASK (unsigned int)(0xFFFF << 16) -#define MMC_DSR_DEFAULT (0x0404) -#define SD_CMD8_CHECK_PATTERN (0xAA) -#define SD_CMD8_2_7_3_6_V_RANGE (0x01 << 8) - -/* Clock Configurations and Macros */ - -#define MMC_CLOCK_REFERENCE (96) -#define MMC_RELATIVE_CARD_ADDRESS (0x1234) -#define MMC_INIT_SEQ_CLK (MMC_CLOCK_REFERENCE * 1000 / 80) -#define MMC_400kHz_CLK (MMC_CLOCK_REFERENCE * 1000 / 400) -#define CLKDR(r, f, u) ((((r)*100) / ((f)*(u))) + 1) -#define CLKD(f, u) (CLKDR(MMC_CLOCK_REFERENCE, f, u)) - -#define MMC_OCR_REG_ACCESS_MODE_MASK (0x3 << 29) -#define MMC_OCR_REG_ACCESS_MODE_BYTE (0x0 << 29) -#define MMC_OCR_REG_ACCESS_MODE_SECTOR (0x2 << 29) - -#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK (0x1 << 30) -#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_BYTE (0x0 << 30) -#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR (0x1 << 30) - -#define MMC_SD2_CSD_C_SIZE_LSB_MASK (0xFFFF) -#define MMC_SD2_CSD_C_SIZE_MSB_MASK (0x003F) -#define MMC_SD2_CSD_C_SIZE_MSB_OFFSET (16) -#define MMC_CSD_C_SIZE_LSB_MASK (0x0003) -#define MMC_CSD_C_SIZE_MSB_MASK (0x03FF) -#define MMC_CSD_C_SIZE_MSB_OFFSET (2) - -#define MMC_CSD_TRAN_SPEED_UNIT_MASK (0x07 << 0) -#define MMC_CSD_TRAN_SPEED_FACTOR_MASK (0x0F << 3) -#define MMC_CSD_TRAN_SPEED_UNIT_100MHZ (0x3 << 0) -#define MMC_CSD_TRAN_SPEED_FACTOR_1_0 (0x01 << 3) -#define MMC_CSD_TRAN_SPEED_FACTOR_8_0 (0x0F << 3) - -static const unsigned int tran_exp[] = { - 10000, 100000, 1000000, 10000000, - 0, 0, 0, 0 -}; - -static const unsigned char tran_mant[] = { - 0, 10, 12, 13, 15, 20, 25, 30, - 35, 40, 45, 50, 55, 60, 70, 80, -}; - -typedef struct { - unsigned not_used:1; - unsigned crc:7; - unsigned ecc:2; - unsigned file_format:2; - unsigned tmp_write_protect:1; - unsigned perm_write_protect:1; - unsigned copy:1; - unsigned file_format_grp:1; - unsigned content_prot_app:1; - unsigned reserved_1:4; - unsigned write_bl_partial:1; - unsigned write_bl_len:4; - unsigned r2w_factor:3; - unsigned default_ecc:2; - unsigned wp_grp_enable:1; - unsigned wp_grp_size:5; - unsigned erase_grp_mult:5; - unsigned erase_grp_size:5; - unsigned c_size_mult:3; - unsigned vdd_w_curr_max:3; - unsigned vdd_w_curr_min:3; - unsigned vdd_r_curr_max:3; - unsigned vdd_r_curr_min:3; - unsigned c_size_lsb:2; - unsigned c_size_msb:10; - unsigned reserved_2:2; - unsigned dsr_imp:1; - unsigned read_blk_misalign:1; - unsigned write_blk_misalign:1; - unsigned read_bl_partial:1; - unsigned read_bl_len:4; - unsigned ccc:12; - unsigned tran_speed:8; - unsigned nsac:8; - unsigned taac:8; - unsigned reserved_3:2; - unsigned spec_vers:4; - unsigned csd_structure:2; -} mmc_csd_reg_t; - -/* csd for sd2.0 */ -typedef struct { - unsigned not_used:1; - unsigned crc:7; - unsigned reserved_1:2; - unsigned file_format:2; - unsigned tmp_write_protect:1; - unsigned perm_write_protect:1; - unsigned copy:1; - unsigned file_format_grp:1; - unsigned reserved_2:5; - unsigned write_bl_partial:1; - unsigned write_bl_len:4; - unsigned r2w_factor:3; - unsigned reserved_3:2; - unsigned wp_grp_enable:1; - unsigned wp_grp_size:7; - unsigned sector_size:7; - unsigned erase_blk_len:1; - unsigned reserved_4:1; - unsigned c_size_lsb:16; - unsigned c_size_msb:6; - unsigned reserved_5:6; - unsigned dsr_imp:1; - unsigned read_blk_misalign:1; - unsigned write_blk_misalign:1; - unsigned read_bl_partial:1; - unsigned read_bl_len:4; - unsigned ccc:12; - unsigned tran_speed:8; - unsigned nsac:8; - unsigned taac:8; - unsigned reserved_6:6; - unsigned csd_structure:2; -} mmc_sd2_csd_reg_t; - -/* extended csd - 512 bytes long */ -typedef struct { - unsigned char reserved_1[181]; - unsigned char erasedmemorycontent; - unsigned char reserved_2; - unsigned char buswidthmode; - unsigned char reserved_3; - unsigned char highspeedinterfacetiming; - unsigned char reserved_4; - unsigned char powerclass; - unsigned char reserved_5; - unsigned char commandsetrevision; - unsigned char reserved_6; - unsigned char commandset; - unsigned char extendedcsdrevision; - unsigned char reserved_7; - unsigned char csdstructureversion; - unsigned char reserved_8; - unsigned char cardtype; - unsigned char reserved_9[3]; - unsigned char powerclass_52mhz_1_95v; - unsigned char powerclass_26mhz_1_95v; - unsigned char powerclass_52mhz_3_6v; - unsigned char powerclass_26mhz_3_6v; - unsigned char reserved_10; - unsigned char minreadperf_4b_26mhz; - unsigned char minwriteperf_4b_26mhz; - unsigned char minreadperf_8b_26mhz_4b_52mhz; - unsigned char minwriteperf_8b_26mhz_4b_52mhz; - unsigned char minreadperf_8b_52mhz; - unsigned char minwriteperf_8b_52mhz; - unsigned char reserved_11; - unsigned int sectorcount; - unsigned char reserved_12[288]; - unsigned char supportedcommandsets; - unsigned char reserved_13[7]; -} mmc_extended_csd_reg_t; - -/* mmc sd responce */ -typedef struct { - unsigned int ocr; -} mmc_resp_r3; - -typedef struct { - unsigned short cardstatus; - unsigned short newpublishedrca; -} mmc_resp_r6; - -extern mmc_card_data mmc_dev; - -unsigned char mmc_lowlevel_init(void); -unsigned char mmc_send_command(unsigned int cmd, unsigned int arg, - unsigned int *response); -unsigned char mmc_setup_clock(unsigned int iclk, unsigned short clkd); -unsigned char mmc_set_opendrain(unsigned char state); -unsigned char mmc_read_data(unsigned int *output_buf); - -#endif /*MMC_PROTOCOL_H */ diff --git a/drivers/Makefile b/drivers/Makefile index 36b6fb2..c581817 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -26,7 +26,7 @@ include $(TOPDIR)/config.mk # CFLAGS += -DET_DEBUG -DDEBUG LIB = libdrivers.a -OBJS = serial.o ns16550.o onenand.o +OBJS = serial.o ns16550.o onenand.o omap24xx_i2c.o ifeq ($(BOARD), omap3430sdp) OBJS += k9f1g08r0a.o diff --git a/drivers/omap24xx_i2c.c b/drivers/omap24xx_i2c.c new file mode 100644 index 0000000..7782e9d --- /dev/null +++ b/drivers/omap24xx_i2c.c @@ -0,0 +1,354 @@ +/* + * Basic I2C functions + * + * Copyright (c) 2004 Texas Instruments + * + * This package is free software; you can redistribute it and/or + * modify it under the terms of the license found in the file + * named COPYING that should have accompanied this file. + * + * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * Author: Jian Zhang jzhang@ti.com, Texas Instruments + * + * Copyright (c) 2003 Wolfgang Denk, wd@denx.de + * Rewritten to fit into the current U-Boot framework + * + * Adapted for OMAP2420 I2C, r-woodruff2@ti.com + * + */ + +#include + +#if defined(CONFIG_DRIVER_OMAP24XX_I2C) || defined(CONFIG_DRIVER_OMAP34XX_I2C) + +#include +#include + +#define inb(a) __raw_readb(a) +#define outb(a,v) __raw_writeb(a,v) +#define inw(a) __raw_readw(a) +#define outw(a,v) __raw_writew(a,v) + +static void wait_for_bb (void); +static u16 wait_for_pin (void); +static void flush_fifo(void); + +void i2c_init (int speed, int slaveadd) +{ + u16 scl; + + outw(0x2, I2C_SYSC); /* for ES2 after soft reset */ + udelay(1000); + outw(0x0, I2C_SYSC); /* will probably self clear but */ + + if (inw (I2C_CON) & I2C_CON_EN) { + outw (0, I2C_CON); + udelay (50000); + } + + /* 12Mhz I2C module clock */ + outw (0, I2C_PSC); + speed = speed/1000; /* 100 or 400 */ + scl = ((12000/(speed*2)) - 7); /* use 7 when PSC = 0 */ + outw (scl, I2C_SCLL); + outw (scl, I2C_SCLH); + /* own address */ + outw (slaveadd, I2C_OA); + outw (I2C_CON_EN, I2C_CON); + + /* have to enable intrrupts or OMAP i2c module doesn't work */ + outw (I2C_IE_XRDY_IE | I2C_IE_RRDY_IE | I2C_IE_ARDY_IE | + I2C_IE_NACK_IE | I2C_IE_AL_IE, I2C_IE); + udelay (1000); + flush_fifo(); + outw (0xFFFF, I2C_STAT); + outw (0, I2C_CNT); +} + +static int i2c_read_byte (u8 devaddr, u8 regoffset, u8 * value) +{ + int i2c_error = 0; + u16 status; + + /* wait until bus not busy */ + wait_for_bb (); + + /* one byte only */ + outw (1, I2C_CNT); + /* set slave address */ + outw (devaddr, I2C_SA); + /* no stop bit needed here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX, I2C_CON); + + status = wait_for_pin (); + + if (status & I2C_STAT_XRDY) { + /* Important: have to use byte access */ + *(volatile u8 *) (I2C_DATA) = regoffset; + udelay (20000); + if (inw (I2C_STAT) & I2C_STAT_NACK) { + i2c_error = 1; + } + } else { + i2c_error = 1; + } + + if (!i2c_error) { + /* free bus, otherwise we can't use a combined transction */ + outw (0, I2C_CON); + while (inw (I2C_STAT) || (inw (I2C_CON) & I2C_CON_MST)) { + udelay (10000); + /* Have to clear pending interrupt to clear I2C_STAT */ + outw (0xFFFF, I2C_STAT); + } + + wait_for_bb (); + /* set slave address */ + outw (devaddr, I2C_SA); + /* read one byte from slave */ + outw (1, I2C_CNT); + /* need stop bit here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP, + I2C_CON); + + status = wait_for_pin (); + if (status & I2C_STAT_RRDY) { +#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) + *value = inb(I2C_DATA); +#else + *value = inw(I2C_DATA); +#endif + udelay (20000); + } else { + i2c_error = 1; + } + + if (!i2c_error) { + outw (I2C_CON_EN, I2C_CON); + while (inw (I2C_STAT) + || (inw (I2C_CON) & I2C_CON_MST)) { + udelay (10000); + outw (0xFFFF, I2C_STAT); + } + } + } + flush_fifo(); + outw (0xFFFF, I2C_STAT); + outw (0, I2C_CNT); + return i2c_error; +} + +static int i2c_write_byte (u8 devaddr, u8 regoffset, u8 value) +{ + int i2c_error = 0; + u16 status, stat; + + /* wait until bus not busy */ + wait_for_bb (); + + /* two bytes */ + outw (2, I2C_CNT); + /* set slave address */ + outw (devaddr, I2C_SA); + /* stop bit needed here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX | + I2C_CON_STP, I2C_CON); + + /* wait until state change */ + status = wait_for_pin (); + + if (status & I2C_STAT_XRDY) { +#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) + /* send out 1 byte */ + outb(regoffset, I2C_DATA); + outw(I2C_STAT_XRDY, I2C_STAT); + status = wait_for_pin(); + if ((status & I2C_STAT_XRDY)) { + /* send out next 1 byte */ + outb(value, I2C_DATA); + outw(I2C_STAT_XRDY, I2C_STAT); + } else { + i2c_error = 1; + } +#else + /* send out two bytes */ + outw ((value << 8) + regoffset, I2C_DATA); +#endif + + /* must have enough delay to allow BB bit to go low */ + udelay (50000); + if (inw (I2C_STAT) & I2C_STAT_NACK) { + i2c_error = 1; + } + } else { + i2c_error = 1; + } + + if (!i2c_error) { + int eout = 200; + + outw (I2C_CON_EN, I2C_CON); + while ((stat = inw (I2C_STAT)) || (inw (I2C_CON) & I2C_CON_MST)) { + udelay (1000); + /* have to read to clear intrrupt */ + outw (0xFFFF, I2C_STAT); + if(--eout == 0) /* better leave with error than hang */ + break; + } + } + flush_fifo(); + outw (0xFFFF, I2C_STAT); + outw (0, I2C_CNT); + return i2c_error; +} + +static void flush_fifo(void) +{ u16 stat; + + /* note: if you try and read data when its not there or ready + * you get a bus error + */ + while(1){ + stat = inw(I2C_STAT); + if(stat == I2C_STAT_RRDY){ +#if defined(CONFIG_OMAP243X) || defined(CONFIG_OMAP34XX) + inb(I2C_DATA); +#else + inw(I2C_DATA); +#endif + outw(I2C_STAT_RRDY,I2C_STAT); + udelay(1000); + }else + break; + } +} + +int i2c_probe (uchar chip) +{ + int res = 1; /* default = fail */ + + if (chip == inw (I2C_OA)) { + return res; + } + + /* wait until bus not busy */ + wait_for_bb (); + + /* try to read one byte */ + outw (1, I2C_CNT); + /* set slave address */ + outw (chip, I2C_SA); + /* stop bit needed here */ + outw (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP, I2C_CON); + /* enough delay for the NACK bit set */ + udelay (50000); + + if (!(inw (I2C_STAT) & I2C_STAT_NACK)) { + res = 0; /* success case */ + flush_fifo(); + outw(0xFFFF, I2C_STAT); + } else { + outw(0xFFFF, I2C_STAT); /* failue, clear sources*/ + outw (inw (I2C_CON) | I2C_CON_STP, I2C_CON); /* finish up xfer */ + udelay(20000); + wait_for_bb (); + } + flush_fifo(); + outw (0, I2C_CNT); /* don't allow any more data in...we don't want it.*/ + outw(0xFFFF, I2C_STAT); + return res; +} + +int i2c_read (uchar chip, uint addr, int alen, uchar * buffer, int len) +{ + int i; + + if (alen > 1) { + printf ("I2C read: addr len %d not supported\n", alen); + return 1; + } + + if (addr + len > 256) { + printf ("I2C read: address out of range\n"); + return 1; + } + + for (i = 0; i < len; i++) { + if (i2c_read_byte (chip, addr + i, &buffer[i])) { + printf ("I2C read: I/O error\n"); + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + return 1; + } + } + + return 0; +} + +int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) +{ + int i; + + if (alen > 1) { + printf ("I2C read: addr len %d not supported\n", alen); + return 1; + } + + if (addr + len > 256) { + printf ("I2C read: address out of range\n"); + return 1; + } + + for (i = 0; i < len; i++) { + if (i2c_write_byte (chip, addr + i, buffer[i])) { + printf ("I2C read: I/O error\n"); + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + return 1; + } + } + + return 0; +} + +static void wait_for_bb (void) +{ + int timeout = 10; + u16 stat; + + outw(0xFFFF, I2C_STAT); /* clear current interruts...*/ + while ((stat = inw (I2C_STAT) & I2C_STAT_BB) && timeout--) { + outw (stat, I2C_STAT); + udelay (50000); + } + + if (timeout <= 0) { + printf ("timed out in wait_for_bb: I2C_STAT=%x\n", + inw (I2C_STAT)); + } + outw(0xFFFF, I2C_STAT); /* clear delayed stuff*/ +} + +static u16 wait_for_pin (void) +{ + u16 status; + int timeout = 10; + + do { + udelay (1000); + status = inw (I2C_STAT); + } while ( !(status & + (I2C_STAT_ROVR | I2C_STAT_XUDF | I2C_STAT_XRDY | + I2C_STAT_RRDY | I2C_STAT_ARDY | I2C_STAT_NACK | + I2C_STAT_AL)) && timeout--); + + if (timeout <= 0) { + printf ("timed out in wait_for_pin: I2C_STAT=%x\n", + inw (I2C_STAT)); + outw(0xFFFF, I2C_STAT); +} + return status; +} + +#endif /* CONFIG_DRIVER_OMAP24XX_I2C */ diff --git a/include/asm/arch-omap3/clocks.h b/include/asm/arch-omap3/clocks.h index a942e69..4f93a96 100644 --- a/include/asm/arch-omap3/clocks.h +++ b/include/asm/arch-omap3/clocks.h @@ -30,6 +30,19 @@ #define S26M 26000000 #define S38_4M 38400000 +#define FCK_IVA2_ON 0x00000001 +#define FCK_CORE1_ON 0x03fffe29 +#define ICK_CORE1_ON 0x3ffffffb +#define ICK_CORE2_ON 0x0000001f +#define FCK_WKUP_ON 0x000000e9 +#define ICK_WKUP_ON 0x0000003f +#define FCK_DSS_ON 0x00000005 +#define ICK_DSS_ON 0x00000001 +#define FCK_CAM_ON 0x00000001 +#define ICK_CAM_ON 0x00000001 +#define FCK_PER_ON 0x0003ffff +#define ICK_PER_ON 0x0003ffff + #include #endif diff --git a/include/asm/arch-omap3/i2c.h b/include/asm/arch-omap3/i2c.h old mode 100755 new mode 100644 index afcda5e..5fb0979 --- a/include/asm/arch-omap3/i2c.h +++ b/include/asm/arch-omap3/i2c.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2004-2006 + * (C) Copyright 2004-2008 * Texas Instruments, * * See file CREDITS for list of people who contributed to this @@ -20,91 +20,88 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ -#ifndef _OMAP34XX_I2C_H_ -#define _OMAP34XX_I2C_H_ - -/* Get the i2c base addresses */ -#include +#ifndef _I2C_H_ +#define _I2C_H_ #define I2C_DEFAULT_BASE I2C_BASE1 -#define I2C_REV (0x00) -#define I2C_IE (0x04) -#define I2C_STAT (0x08) -#define I2C_IV (0x0c) -#define I2C_BUF (0x14) -#define I2C_CNT (0x18) -#define I2C_DATA (0x1c) -#define I2C_SYSC (0x20) -#define I2C_CON (0x24) -#define I2C_OA (0x28) -#define I2C_SA (0x2c) -#define I2C_PSC (0x30) -#define I2C_SCLL (0x34) -#define I2C_SCLH (0x38) -#define I2C_SYSTEST (0x3c) +#define I2C_REV (I2C_DEFAULT_BASE + 0x00) +#define I2C_IE (I2C_DEFAULT_BASE + 0x04) +#define I2C_STAT (I2C_DEFAULT_BASE + 0x08) +#define I2C_IV (I2C_DEFAULT_BASE + 0x0c) +#define I2C_BUF (I2C_DEFAULT_BASE + 0x14) +#define I2C_CNT (I2C_DEFAULT_BASE + 0x18) +#define I2C_DATA (I2C_DEFAULT_BASE + 0x1c) +#define I2C_SYSC (I2C_DEFAULT_BASE + 0x20) +#define I2C_CON (I2C_DEFAULT_BASE + 0x24) +#define I2C_OA (I2C_DEFAULT_BASE + 0x28) +#define I2C_SA (I2C_DEFAULT_BASE + 0x2c) +#define I2C_PSC (I2C_DEFAULT_BASE + 0x30) +#define I2C_SCLL (I2C_DEFAULT_BASE + 0x34) +#define I2C_SCLH (I2C_DEFAULT_BASE + 0x38) +#define I2C_SYSTEST (I2C_DEFAULT_BASE + 0x3c) /* I2C masks */ /* I2C Interrupt Enable Register (I2C_IE): */ #define I2C_IE_GC_IE (1 << 5) -#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */ -#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */ -#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */ -#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */ -#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */ +#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */ +#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */ +#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */ +#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */ +#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */ /* I2C Status Register (I2C_STAT): */ -#define I2C_STAT_SBD (1 << 15) /* Single byte data */ -#define I2C_STAT_BB (1 << 12) /* Bus busy */ -#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */ -#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ -#define I2C_STAT_AAS (1 << 9) /* Address as slave */ +#define I2C_STAT_SBD (1 << 15) /* Single byte data */ +#define I2C_STAT_BB (1 << 12) /* Bus busy */ +#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */ +#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */ +#define I2C_STAT_AAS (1 << 9) /* Address as slave */ #define I2C_STAT_GC (1 << 5) -#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */ -#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */ -#define I2C_STAT_ARDY (1 << 2) /* Register access ready */ -#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */ -#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */ - +#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */ +#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */ +#define I2C_STAT_ARDY (1 << 2) /* Register access ready */ +#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */ +#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */ /* I2C Interrupt Code Register (I2C_INTCODE): */ #define I2C_INTCODE_MASK 7 #define I2C_INTCODE_NONE 0 -#define I2C_INTCODE_AL 1 /* Arbitration lost */ -#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */ -#define I2C_INTCODE_ARDY 3 /* Register access ready */ -#define I2C_INTCODE_RRDY 4 /* Rcv data ready */ -#define I2C_INTCODE_XRDY 5 /* Xmit data ready */ +#define I2C_INTCODE_AL 1 /* Arbitration lost */ +#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */ +#define I2C_INTCODE_ARDY 3 /* Register access ready */ +#define I2C_INTCODE_RRDY 4 /* Rcv data ready */ +#define I2C_INTCODE_XRDY 5 /* Xmit data ready */ /* I2C Buffer Configuration Register (I2C_BUF): */ -#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */ -#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */ +#define I2C_BUF_RDMA_EN (1 << 15) /* Receive DMA channel enable */ +#define I2C_BUF_XDMA_EN (1 << 7) /* Transmit DMA channel enable */ /* I2C Configuration Register (I2C_CON): */ -#define I2C_CON_EN (1 << 15) /* I2C module enable */ -#define I2C_CON_BE (1 << 14) /* Big endian mode */ -#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */ -#define I2C_CON_MST (1 << 10) /* Master/slave mode */ -#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode (master mode only) */ -#define I2C_CON_XA (1 << 8) /* Expand address */ -#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */ -#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */ +#define I2C_CON_EN (1 << 15) /* I2C module enable */ +#define I2C_CON_BE (1 << 14) /* Big endian mode */ +#define I2C_CON_STB (1 << 11) /* Start byte mode (master mode only) */ +#define I2C_CON_MST (1 << 10) /* Master/slave mode */ +#define I2C_CON_TRX (1 << 9) /* Transmitter/receiver mode /* + /* (master mode only) */ +#define I2C_CON_XA (1 << 8) /* Expand address */ +#define I2C_CON_STP (1 << 1) /* Stop condition (master mode only) */ +#define I2C_CON_STT (1 << 0) /* Start condition (master mode only) */ /* I2C System Test Register (I2C_SYSTEST): */ -#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */ -#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode (on breakpoint) */ -#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */ -#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */ -#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */ -#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */ -#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */ -#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */ +#define I2C_SYSTEST_ST_EN (1 << 15) /* System test enable */ +#define I2C_SYSTEST_FREE (1 << 14) /* Free running mode, on brkpoint) */ +#define I2C_SYSTEST_TMODE_MASK (3 << 12) /* Test mode select */ +#define I2C_SYSTEST_TMODE_SHIFT (12) /* Test mode select */ +#define I2C_SYSTEST_SCL_I (1 << 3) /* SCL line sense input value */ +#define I2C_SYSTEST_SCL_O (1 << 2) /* SCL line drive output value */ +#define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */ +#define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */ #define I2C_SCLL_SCLL (0) #define I2C_SCLL_SCLL_M (0xFF) @@ -115,17 +112,17 @@ #define I2C_SCLH_HSSCLH (8) #define I2C_SCLH_HSSCLH_M (0xFF) -#define OMAP_I2C_STANDARD 100 -#define OMAP_I2C_FAST_MODE 400 -#define OMAP_I2C_HIGH_SPEED 3400 +#define OMAP_I2C_STANDARD 100 +#define OMAP_I2C_FAST_MODE 400 +#define OMAP_I2C_HIGH_SPEED 3400 -#define SYSTEM_CLOCK_12 12000 -#define SYSTEM_CLOCK_13 13000 -#define SYSTEM_CLOCK_192 19200 -#define SYSTEM_CLOCK_96 96000 +#define SYSTEM_CLOCK_12 12000 +#define SYSTEM_CLOCK_13 13000 +#define SYSTEM_CLOCK_192 19200 +#define SYSTEM_CLOCK_96 96000 #define I2C_IP_CLK SYSTEM_CLOCK_96 #define I2C_PSC_MAX (0x0f) #define I2C_PSC_MIN (0x00) -#endif +#endif /* _I2C_H_ */ diff --git a/include/asm/arch-omap3/mmc.h b/include/asm/arch-omap3/mmc.h old mode 100755 new mode 100644 index 7bceb5f..8631aae --- a/include/asm/arch-omap3/mmc.h +++ b/include/asm/arch-omap3/mmc.h @@ -1,187 +1,235 @@ /* - * linux/drivers/mmc/mmc_pxa.h + * (C) Copyright 2008 + * Texas Instruments, + * Syed Mohammed Khasim * - * Author: Vladimir Shebordaev, Igor Oblakov - * Copyright: MontaVista Software Inc. + * See file CREDITS for list of people who contributed to this + * project. * - * $Id: mmc_pxa.h,v 0.3.1.6 2002/09/25 19:25:48 ted Exp ted $ + * 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's version 2 of + * the License. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. + * 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 __MMC_PXA_P_H__ -#define __MMC_PXA_P_H__ - -/* PXA-250 MMC controller registers */ - -/* MMC_STRPCL */ -#define MMC_STRPCL_STOP_CLK (0x0001UL) -#define MMC_STRPCL_START_CLK (0x0002UL) - -/* MMC_STAT */ - -#define MMC_STAT_ERRORS (MMC_STAT_RES_CRC_ERROR | MMC_STAT_SPI_READ_ERROR_TOKEN\ - | MMC_STAT_CRC_READ_ERROR | MMC_STAT_TIME_OUT_RESPONSE \ - | MMC_STAT_READ_TIME_OUT | MMC_STAT_CRC_WRITE_ERROR) - -/* MMC_CLKRT */ -#define MMC_CLKRT_20MHZ (0x0000UL) -#define MMC_CLKRT_10MHZ (0x0001UL) -#define MMC_CLKRT_5MHZ (0x0002UL) -#define MMC_CLKRT_2_5MHZ (0x0003UL) -#define MMC_CLKRT_1_25MHZ (0x0004UL) -#define MMC_CLKRT_0_625MHZ (0x0005UL) -#define MMC_CLKRT_0_3125MHZ (0x0006UL) - -/* MMC_SPI */ -#define MMC_SPI_DISABLE (0x00UL) -#define MMC_SPI_EN (0x01UL) -#define MMC_SPI_CS_EN (0x01UL << 2) -#define MMC_SPI_CS_ADDRESS (0x01UL << 3) -#define MMC_SPI_CRC_ON (0x01UL << 1) - -/* MMC_CMDAT */ -#define MMC_CMDAT_MMC_DMA_EN (0x0001UL << 7) -#define MMC_CMDAT_INIT (0x0001UL << 6) -#define MMC_CMDAT_BUSY (0x0001UL << 5) -#define MMC_CMDAT_STREAM (0x0001UL << 4) -#define MMC_CMDAT_BLOCK (0x0000UL << 4) -#define MMC_CMDAT_WRITE (0x0001UL << 3) -#define MMC_CMDAT_READ (0x0000UL << 3) -#define MMC_CMDAT_DATA_EN (0x0001UL << 2) -#define MMC_CMDAT_R1 (0x0001UL) -#define MMC_CMDAT_R2 (0x0002UL) -#define MMC_CMDAT_R3 (0x0003UL) - -/* MMC_RESTO */ -#define MMC_RES_TO_MAX (0x007fUL) /* [6:0] */ - -/* MMC_RDTO */ -#define MMC_READ_TO_MAX (0x0ffffUL) /* [15:0] */ - -/* MMC_BLKLEN */ -#define MMC_BLK_LEN_MAX (0x03ffUL) /* [9:0] */ - -/* MMC_PRTBUF */ -#define MMC_PRTBUF_BUF_PART_FULL (0x01UL) -#define MMC_PRTBUF_BUF_FULL (0x00UL) - -/* MMC_I_MASK */ -#define MMC_I_MASK_TXFIFO_WR_REQ (0x01UL << 6) -#define MMC_I_MASK_RXFIFO_RD_REQ (0x01UL << 5) -#define MMC_I_MASK_CLK_IS_OFF (0x01UL << 4) -#define MMC_I_MASK_STOP_CMD (0x01UL << 3) -#define MMC_I_MASK_END_CMD_RES (0x01UL << 2) -#define MMC_I_MASK_PRG_DONE (0x01UL << 1) -#define MMC_I_MASK_DATA_TRAN_DONE (0x01UL) -#define MMC_I_MASK_ALL (0x07fUL) - - -/* MMC_I_REG */ -#define MMC_I_REG_TXFIFO_WR_REQ (0x01UL << 6) -#define MMC_I_REG_RXFIFO_RD_REQ (0x01UL << 5) -#define MMC_I_REG_CLK_IS_OFF (0x01UL << 4) -#define MMC_I_REG_STOP_CMD (0x01UL << 3) -#define MMC_I_REG_END_CMD_RES (0x01UL << 2) -#define MMC_I_REG_PRG_DONE (0x01UL << 1) -#define MMC_I_REG_DATA_TRAN_DONE (0x01UL) -#define MMC_I_REG_ALL (0x007fUL) - -/* MMC_CMD */ -#define MMC_CMD_INDEX_MAX (0x006fUL) /* [5:0] */ -#define CMD(x) (x) - -#define MMC_DEFAULT_RCA 1 - -#define MMC_BLOCK_SIZE 512 -#define MMC_CMD_RESET 0 -#define MMC_CMD_SEND_OP_COND 1 -#define MMC_CMD_ALL_SEND_CID 2 -#define MMC_CMD_SET_RCA 3 -#define MMC_CMD_SEND_CSD 9 -#define MMC_CMD_SEND_CID 10 -#define MMC_CMD_SEND_STATUS 13 -#define MMC_CMD_SET_BLOCKLEN 16 -#define MMC_CMD_READ_BLOCK 17 -#define MMC_CMD_RD_BLK_MULTI 18 -#define MMC_CMD_WRITE_BLOCK 24 - -#define MMC_MAX_BLOCK_SIZE 512 - -#define MMC_R1_IDLE_STATE 0x01 -#define MMC_R1_ERASE_STATE 0x02 -#define MMC_R1_ILLEGAL_CMD 0x04 -#define MMC_R1_COM_CRC_ERR 0x08 -#define MMC_R1_ERASE_SEQ_ERR 0x01 -#define MMC_R1_ADDR_ERR 0x02 -#define MMC_R1_PARAM_ERR 0x04 - -#define MMC_R1B_WP_ERASE_SKIP 0x0002 -#define MMC_R1B_ERR 0x0004 -#define MMC_R1B_CC_ERR 0x0008 -#define MMC_R1B_CARD_ECC_ERR 0x0010 -#define MMC_R1B_WP_VIOLATION 0x0020 -#define MMC_R1B_ERASE_PARAM 0x0040 -#define MMC_R1B_OOR 0x0080 -#define MMC_R1B_IDLE_STATE 0x0100 -#define MMC_R1B_ERASE_RESET 0x0200 -#define MMC_R1B_ILLEGAL_CMD 0x0400 -#define MMC_R1B_COM_CRC_ERR 0x0800 -#define MMC_R1B_ERASE_SEQ_ERR 0x1000 -#define MMC_R1B_ADDR_ERR 0x2000 -#define MMC_R1B_PARAM_ERR 0x4000 - -typedef struct mmc_cid { -/* FIXME: BYTE_ORDER */ - unsigned char year:4, - month:4; - unsigned char sn[3]; - unsigned char fwrev:4, - hwrev:4; - unsigned char name[6]; - unsigned char id[3]; -} mmc_cid_t; - -typedef struct mmc_csd -{ - unsigned char ecc:2, - file_format:2, - tmp_write_protect:1, - perm_write_protect:1, - copy:1, - file_format_grp:1; - unsigned long int content_prot_app:1, - rsvd3:4, - write_bl_partial:1, - write_bl_len:4, - r2w_factor:3, - default_ecc:2, - wp_grp_enable:1, - wp_grp_size:5, - erase_grp_mult:5, - erase_grp_size:5, - c_size_mult1:3, - vdd_w_curr_max:3, - vdd_w_curr_min:3, - vdd_r_curr_max:3, - vdd_r_curr_min:3, - c_size:12, - rsvd2:2, - dsr_imp:1, - read_blk_misalign:1, - write_blk_misalign:1, - read_bl_partial:1; - - unsigned short read_bl_len:4, - ccc:12; - unsigned char tran_speed; - unsigned char nsac; - unsigned char taac; - unsigned char rsvd1:2, - spec_vers:4, - csd_structure:2; -} mmc_csd_t; - - -#endif /* __MMC_PXA_P_H__ */ + +#ifndef MMC_H +#define MMC_H + +#include "mmc_host_def.h" + +/* Responses */ +#define RSP_TYPE_NONE (RSP_TYPE_NORSP | CCCE_NOCHECK | CICE_NOCHECK) +#define RSP_TYPE_R1 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) +#define RSP_TYPE_R1B (RSP_TYPE_LGHT48B | CCCE_CHECK | CICE_CHECK) +#define RSP_TYPE_R2 (RSP_TYPE_LGHT136 | CCCE_CHECK | CICE_NOCHECK) +#define RSP_TYPE_R3 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK) +#define RSP_TYPE_R4 (RSP_TYPE_LGHT48 | CCCE_NOCHECK | CICE_NOCHECK) +#define RSP_TYPE_R5 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) +#define RSP_TYPE_R6 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) +#define RSP_TYPE_R7 (RSP_TYPE_LGHT48 | CCCE_CHECK | CICE_CHECK) + +/* All supported commands */ +#define MMC_CMD0 (INDEX(0) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD1 (INDEX(1) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD2 (INDEX(2) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD3 (INDEX(3) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) +#define MMC_SDCMD3 (INDEX(3) | RSP_TYPE_R6 | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD4 (INDEX(4) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD6 (INDEX(6) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD7_SELECT (INDEX(7) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD7_DESELECT (INDEX(7) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD8 (INDEX(8) | RSP_TYPE_R1 | DP_DATA | DDIR_READ) +#define MMC_SDCMD8 (INDEX(8) | RSP_TYPE_R7 | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD9 (INDEX(9) | RSP_TYPE_R2 | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD12 (INDEX(12) | RSP_TYPE_R1B | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD13 (INDEX(13) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD15 (INDEX(15) | RSP_TYPE_NONE | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD16 (INDEX(16) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) +#define MMC_CMD17 (INDEX(17) | RSP_TYPE_R1 | DP_DATA | DDIR_READ) +#define MMC_CMD24 (INDEX(24) | RSP_TYPE_R1 | DP_DATA | DDIR_WRITE) +#define MMC_ACMD6 (INDEX(6) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) +#define MMC_ACMD41 (INDEX(41) | RSP_TYPE_R3 | DP_NO_DATA | DDIR_WRITE) +#define MMC_ACMD51 (INDEX(51) | RSP_TYPE_R1 | DP_DATA | DDIR_READ) +#define MMC_CMD55 (INDEX(55) | RSP_TYPE_R1 | DP_NO_DATA | DDIR_WRITE) + +#define MMC_AC_CMD_RCA_MASK (unsigned int)(0xFFFF << 16) +#define MMC_BC_CMD_DSR_MASK (unsigned int)(0xFFFF << 16) +#define MMC_DSR_DEFAULT (0x0404) +#define SD_CMD8_CHECK_PATTERN (0xAA) +#define SD_CMD8_2_7_3_6_V_RANGE (0x01 << 8) + +/* Clock Configurations and Macros */ + +#define MMC_CLOCK_REFERENCE (96) +#define MMC_RELATIVE_CARD_ADDRESS (0x1234) +#define MMC_INIT_SEQ_CLK (MMC_CLOCK_REFERENCE * 1000 / 80) +#define MMC_400kHz_CLK (MMC_CLOCK_REFERENCE * 1000 / 400) +#define CLKDR(r, f, u) ((((r)*100) / ((f)*(u))) + 1) +#define CLKD(f, u) (CLKDR(MMC_CLOCK_REFERENCE, f, u)) + +#define MMC_OCR_REG_ACCESS_MODE_MASK (0x3 << 29) +#define MMC_OCR_REG_ACCESS_MODE_BYTE (0x0 << 29) +#define MMC_OCR_REG_ACCESS_MODE_SECTOR (0x2 << 29) + +#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_MASK (0x1 << 30) +#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_BYTE (0x0 << 30) +#define MMC_OCR_REG_HOST_CAPACITY_SUPPORT_SECTOR (0x1 << 30) + +#define MMC_SD2_CSD_C_SIZE_LSB_MASK (0xFFFF) +#define MMC_SD2_CSD_C_SIZE_MSB_MASK (0x003F) +#define MMC_SD2_CSD_C_SIZE_MSB_OFFSET (16) +#define MMC_CSD_C_SIZE_LSB_MASK (0x0003) +#define MMC_CSD_C_SIZE_MSB_MASK (0x03FF) +#define MMC_CSD_C_SIZE_MSB_OFFSET (2) + +#define MMC_CSD_TRAN_SPEED_UNIT_MASK (0x07 << 0) +#define MMC_CSD_TRAN_SPEED_FACTOR_MASK (0x0F << 3) +#define MMC_CSD_TRAN_SPEED_UNIT_100MHZ (0x3 << 0) +#define MMC_CSD_TRAN_SPEED_FACTOR_1_0 (0x01 << 3) +#define MMC_CSD_TRAN_SPEED_FACTOR_8_0 (0x0F << 3) + +typedef struct { + unsigned not_used:1; + unsigned crc:7; + unsigned ecc:2; + unsigned file_format:2; + unsigned tmp_write_protect:1; + unsigned perm_write_protect:1; + unsigned copy:1; + unsigned file_format_grp:1; + unsigned content_prot_app:1; + unsigned reserved_1:4; + unsigned write_bl_partial:1; + unsigned write_bl_len:4; + unsigned r2w_factor:3; + unsigned default_ecc:2; + unsigned wp_grp_enable:1; + unsigned wp_grp_size:5; + unsigned erase_grp_mult:5; + unsigned erase_grp_size:5; + unsigned c_size_mult:3; + unsigned vdd_w_curr_max:3; + unsigned vdd_w_curr_min:3; + unsigned vdd_r_curr_max:3; + unsigned vdd_r_curr_min:3; + unsigned c_size_lsb:2; + unsigned c_size_msb:10; + unsigned reserved_2:2; + unsigned dsr_imp:1; + unsigned read_blk_misalign:1; + unsigned write_blk_misalign:1; + unsigned read_bl_partial:1; + unsigned read_bl_len:4; + unsigned ccc:12; + unsigned tran_speed:8; + unsigned nsac:8; + unsigned taac:8; + unsigned reserved_3:2; + unsigned spec_vers:4; + unsigned csd_structure:2; +} mmc_csd_reg_t; + +/* csd for sd2.0 */ +typedef struct { + unsigned not_used:1; + unsigned crc:7; + unsigned reserved_1:2; + unsigned file_format:2; + unsigned tmp_write_protect:1; + unsigned perm_write_protect:1; + unsigned copy:1; + unsigned file_format_grp:1; + unsigned reserved_2:5; + unsigned write_bl_partial:1; + unsigned write_bl_len:4; + unsigned r2w_factor:3; + unsigned reserved_3:2; + unsigned wp_grp_enable:1; + unsigned wp_grp_size:7; + unsigned sector_size:7; + unsigned erase_blk_len:1; + unsigned reserved_4:1; + unsigned c_size_lsb:16; + unsigned c_size_msb:6; + unsigned reserved_5:6; + unsigned dsr_imp:1; + unsigned read_blk_misalign:1; + unsigned write_blk_misalign:1; + unsigned read_bl_partial:1; + unsigned read_bl_len:4; + unsigned ccc:12; + unsigned tran_speed:8; + unsigned nsac:8; + unsigned taac:8; + unsigned reserved_6:6; + unsigned csd_structure:2; +} mmc_sd2_csd_reg_t; + +/* extended csd - 512 bytes long */ +typedef struct { + unsigned char reserved_1[181]; + unsigned char erasedmemorycontent; + unsigned char reserved_2; + unsigned char buswidthmode; + unsigned char reserved_3; + unsigned char highspeedinterfacetiming; + unsigned char reserved_4; + unsigned char powerclass; + unsigned char reserved_5; + unsigned char commandsetrevision; + unsigned char reserved_6; + unsigned char commandset; + unsigned char extendedcsdrevision; + unsigned char reserved_7; + unsigned char csdstructureversion; + unsigned char reserved_8; + unsigned char cardtype; + unsigned char reserved_9[3]; + unsigned char powerclass_52mhz_1_95v; + unsigned char powerclass_26mhz_1_95v; + unsigned char powerclass_52mhz_3_6v; + unsigned char powerclass_26mhz_3_6v; + unsigned char reserved_10; + unsigned char minreadperf_4b_26mhz; + unsigned char minwriteperf_4b_26mhz; + unsigned char minreadperf_8b_26mhz_4b_52mhz; + unsigned char minwriteperf_8b_26mhz_4b_52mhz; + unsigned char minreadperf_8b_52mhz; + unsigned char minwriteperf_8b_52mhz; + unsigned char reserved_11; + unsigned int sectorcount; + unsigned char reserved_12[288]; + unsigned char supportedcommandsets; + unsigned char reserved_13[7]; +} mmc_extended_csd_reg_t; + +/* mmc sd responce */ +typedef struct { + unsigned int ocr; +} mmc_resp_r3; + +typedef struct { + unsigned short cardstatus; + unsigned short newpublishedrca; +} mmc_resp_r6; + +extern mmc_card_data mmc_dev; + +unsigned char mmc_lowlevel_init(void); +unsigned char mmc_send_command(unsigned int cmd, unsigned int arg, + unsigned int *response); +unsigned char mmc_setup_clock(unsigned int iclk, unsigned short clkd); +unsigned char mmc_set_opendrain(unsigned char state); +unsigned char mmc_read_data(unsigned int *output_buf); + +#endif /* MMC_H */ diff --git a/include/asm/arch-omap3/mmc_host_def.h b/include/asm/arch-omap3/mmc_host_def.h new file mode 100644 index 0000000..37aaa08 --- /dev/null +++ b/include/asm/arch-omap3/mmc_host_def.h @@ -0,0 +1,166 @@ +/* + * (C) Copyright 2008 + * Texas Instruments, + * Syed Mohammed Khasim + * + * 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's version 2 of + * the License. + * + * 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 MMC_HOST_DEF_H +#define MMC_HOST_DEF_H + +/* + * OMAP HSMMC register definitions + */ +#define OMAP_HSMMC_SYSCONFIG (*(unsigned int *) 0x4809C010) +#define OMAP_HSMMC_SYSSTATUS (*(unsigned int *) 0x4809C014) +#define OMAP_HSMMC_CON (*(unsigned int *) 0x4809C02C) +#define OMAP_HSMMC_BLK (*(unsigned int *) 0x4809C104) +#define OMAP_HSMMC_ARG (*(unsigned int *) 0x4809C108) +#define OMAP_HSMMC_CMD (*(unsigned int *) 0x4809C10C) +#define OMAP_HSMMC_RSP10 (*(unsigned int *) 0x4809C110) +#define OMAP_HSMMC_RSP32 (*(unsigned int *) 0x4809C114) +#define OMAP_HSMMC_RSP54 (*(unsigned int *) 0x4809C118) +#define OMAP_HSMMC_RSP76 (*(unsigned int *) 0x4809C11C) +#define OMAP_HSMMC_DATA (*(unsigned int *) 0x4809C120) +#define OMAP_HSMMC_PSTATE (*(unsigned int *) 0x4809C124) +#define OMAP_HSMMC_HCTL (*(unsigned int *) 0x4809C128) +#define OMAP_HSMMC_SYSCTL (*(unsigned int *) 0x4809C12C) +#define OMAP_HSMMC_STAT (*(unsigned int *) 0x4809C130) +#define OMAP_HSMMC_IE (*(unsigned int *) 0x4809C134) +#define OMAP_HSMMC_CAPA (*(unsigned int *) 0x4809C140) + +/* T2 Register definitions */ +#define CONTROL_DEV_CONF0 (*(unsigned int *) 0x48002274) +#define CONTROL_PBIAS_LITE (*(unsigned int *) 0x48002520) + +/* + * OMAP HS MMC Bit definitions + */ +#define MMC_SOFTRESET (0x1 << 1) +#define RESETDONE (0x1 << 0) +#define NOOPENDRAIN (0x0 << 0) +#define OPENDRAIN (0x1 << 0) +#define OD (0x1 << 0) +#define INIT_NOINIT (0x0 << 1) +#define INIT_INITSTREAM (0x1 << 1) +#define HR_NOHOSTRESP (0x0 << 2) +#define STR_BLOCK (0x0 << 3) +#define MODE_FUNC (0x0 << 4) +#define DW8_1_4BITMODE (0x0 << 5) +#define MIT_CTO (0x0 << 6) +#define CDP_ACTIVEHIGH (0x0 << 7) +#define WPP_ACTIVEHIGH (0x0 << 8) +#define RESERVED_MASK (0x3 << 9) +#define CTPL_MMC_SD (0x0 << 11) +#define BLEN_512BYTESLEN (0x200 << 0) +#define NBLK_STPCNT (0x0 << 16) +#define DE_DISABLE (0x0 << 0) +#define BCE_DISABLE (0x0 << 1) +#define ACEN_DISABLE (0x0 << 2) +#define DDIR_OFFSET (4) +#define DDIR_MASK (0x1 << 4) +#define DDIR_WRITE (0x0 << 4) +#define DDIR_READ (0x1 << 4) +#define MSBS_SGLEBLK (0x0 << 5) +#define RSP_TYPE_OFFSET (16) +#define RSP_TYPE_MASK (0x3 << 16) +#define RSP_TYPE_NORSP (0x0 << 16) +#define RSP_TYPE_LGHT136 (0x1 << 16) +#define RSP_TYPE_LGHT48 (0x2 << 16) +#define RSP_TYPE_LGHT48B (0x3 << 16) +#define CCCE_NOCHECK (0x0 << 19) +#define CCCE_CHECK (0x1 << 19) +#define CICE_NOCHECK (0x0 << 20) +#define CICE_CHECK (0x1 << 20) +#define DP_OFFSET (21) +#define DP_MASK (0x1 << 21) +#define DP_NO_DATA (0x0 << 21) +#define DP_DATA (0x1 << 21) +#define CMD_TYPE_NORMAL (0x0 << 22) +#define INDEX_OFFSET (24) +#define INDEX_MASK (0x3f << 24) +#define INDEX(i) (i << 24) +#define DATI_MASK (0x1 << 1) +#define DATI_CMDDIS (0x1 << 1) +#define DTW_1_BITMODE (0x0 << 1) +#define DTW_4_BITMODE (0x1 << 1) +#define SDBP_PWROFF (0x0 << 8) +#define SDBP_PWRON (0x1 << 8) +#define SDVS_1V8 (0x5 << 9) +#define SDVS_3V0 (0x6 << 9) +#define ICE_MASK (0x1 << 0) +#define ICE_STOP (0x0 << 0) +#define ICS_MASK (0x1 << 1) +#define ICS_NOTREADY (0x0 << 1) +#define ICE_OSCILLATE (0x1 << 0) +#define CEN_MASK (0x1 << 2) +#define CEN_DISABLE (0x0 << 2) +#define CEN_ENABLE (0x1 << 2) +#define CLKD_OFFSET (6) +#define CLKD_MASK (0x3FF << 6) +#define DTO_MASK (0xF << 16) +#define DTO_15THDTO (0xE << 16) +#define SOFTRESETALL (0x1 << 24) +#define CC_MASK (0x1 << 0) +#define TC_MASK (0x1 << 1) +#define BWR_MASK (0x1 << 4) +#define BRR_MASK (0x1 << 5) +#define ERRI_MASK (0x1 << 15) +#define IE_CC (0x01 << 0) +#define IE_TC (0x01 << 1) +#define IE_BWR (0x01 << 4) +#define IE_BRR (0x01 << 5) +#define IE_CTO (0x01 << 16) +#define IE_CCRC (0x01 << 17) +#define IE_CEB (0x01 << 18) +#define IE_CIE (0x01 << 19) +#define IE_DTO (0x01 << 20) +#define IE_DCRC (0x01 << 21) +#define IE_DEB (0x01 << 22) +#define IE_CERR (0x01 << 28) +#define IE_BADA (0x01 << 29) + +#define VS30_3V0SUP (1 << 25) +#define VS18_1V8SUP (1 << 26) + +/* Driver definitions */ +#define MMCSD_SECTOR_SIZE (512) +#define MMC_CARD 0 +#define SD_CARD 1 +#define BYTE_MODE 0 +#define SECTOR_MODE 1 +#define CLK_INITSEQ 0 +#define CLK_400KHZ 1 +#define CLK_MISC 2 + +typedef struct { + unsigned int card_type; + unsigned int version; + unsigned int mode; + unsigned int size; + unsigned int RCA; +} mmc_card_data; + +#define mmc_reg_out(addr, mask, val)\ + (addr) = (((addr)) & (~(mask))) | ((val) & (mask)); +#define mmc_reg_out(addr, mask, val)\ + (addr) = (((addr)) & (~(mask))) | ((val) & (mask)); + +#endif /* MMC_HOST_DEF_H */ diff --git a/include/asm/io.h b/include/asm/io.h new file mode 100644 index 0000000..f4ae307 --- /dev/null +++ b/include/asm/io.h @@ -0,0 +1,335 @@ +/* + * linux/include/asm-arm/io.h + * + * Copyright (C) 1996-2000 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Modifications: + * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both + * constant addresses and variable addresses. + * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture + * specific IO header files. + * 27-Mar-1999 PJB Second parameter of memcpy_toio is const.. + * 04-Apr-1999 PJB Added check_signature. + * 12-Dec-1999 RMK More cleanups + * 18-Jun-2000 RMK Removed virt_to_* and friends definitions + */ +#ifndef __ASM_ARM_IO_H +#define __ASM_ARM_IO_H + +#ifdef __KERNEL__ + +#include +#include +#include +#if 0 /* XXX###XXX */ +#include +#endif /* XXX###XXX */ + +static inline void sync(void) +{ +} + +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +static inline void * +map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) +{ + return (void *)paddr; +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} + +/* + * Generic virtual read/write. Note that we don't support half-word + * read/writes. We define __arch_*[bl] here, and leave __arch_*w + * to the architecture specific code. + */ +#define __arch_getb(a) (*(volatile unsigned char *)(a)) +#define __arch_getw(a) (*(volatile unsigned short *)(a)) +#define __arch_getl(a) (*(volatile unsigned int *)(a)) + +#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v)) +#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) +#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) + +extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); +extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); +extern void __raw_writesl(unsigned int addr, const void *data, int longlen); + +extern void __raw_readsb(unsigned int addr, void *data, int bytelen); +extern void __raw_readsw(unsigned int addr, void *data, int wordlen); +extern void __raw_readsl(unsigned int addr, void *data, int longlen); + +#define __raw_writeb(v,a) __arch_putb(v,a) +#define __raw_writew(v,a) __arch_putw(v,a) +#define __raw_writel(v,a) __arch_putl(v,a) + +#define __raw_readb(a) __arch_getb(a) +#define __raw_readw(a) __arch_getw(a) +#define __raw_readl(a) __arch_getl(a) + +#define writeb(v,a) __arch_putb(v,a) +#define writew(v,a) __arch_putw(v,a) +#define writel(v,a) __arch_putl(v,a) + +#define readb(a) __arch_getb(a) +#define readw(a) __arch_getw(a) +#define readl(a) __arch_getl(a) + +/* + * The compiler seems to be incapable of optimising constants + * properly. Spell it out to the compiler in some cases. + * These are only valid for small values of "off" (< 1<<12) + */ +#define __raw_base_writeb(val,base,off) __arch_base_putb(val,base,off) +#define __raw_base_writew(val,base,off) __arch_base_putw(val,base,off) +#define __raw_base_writel(val,base,off) __arch_base_putl(val,base,off) + +#define __raw_base_readb(base,off) __arch_base_getb(base,off) +#define __raw_base_readw(base,off) __arch_base_getw(base,off) +#define __raw_base_readl(base,off) __arch_base_getl(base,off) + +/* + * Now, pick up the machine-defined IO definitions + */ +#if 0 /* XXX###XXX */ +#include +#endif /* XXX###XXX */ + +/* + * IO port access primitives + * ------------------------- + * + * The ARM doesn't have special IO access instructions; all IO is memory + * mapped. Note that these are defined to perform little endian accesses + * only. Their primary purpose is to access PCI and ISA peripherals. + * + * Note that for a big endian machine, this implies that the following + * big endian mode connectivity is in place, as described by numerous + * ARM documents: + * + * PCI: D0-D7 D8-D15 D16-D23 D24-D31 + * ARM: D24-D31 D16-D23 D8-D15 D0-D7 + * + * The machine specific io.h include defines __io to translate an "IO" + * address to a memory address. + * + * Note that we prevent GCC re-ordering or caching values in expressions + * by introducing sequence points into the in*() definitions. Note that + * __raw_* do not guarantee this behaviour. + * + * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. + */ +#ifdef __io +#define outb(v,p) __raw_writeb(v,__io(p)) +#define outw(v,p) __raw_writew(cpu_to_le16(v),__io(p)) +#define outl(v,p) __raw_writel(cpu_to_le32(v),__io(p)) + +#define inb(p) ({ unsigned int __v = __raw_readb(__io(p)); __v; }) +#define inw(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(__io(p))); __v; }) +#define inl(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(__io(p))); __v; }) + +#define outsb(p,d,l) __raw_writesb(__io(p),d,l) +#define outsw(p,d,l) __raw_writesw(__io(p),d,l) +#define outsl(p,d,l) __raw_writesl(__io(p),d,l) + +#define insb(p,d,l) __raw_readsb(__io(p),d,l) +#define insw(p,d,l) __raw_readsw(__io(p),d,l) +#define insl(p,d,l) __raw_readsl(__io(p),d,l) +#endif + +#define outb_p(val,port) outb((val),(port)) +#define outw_p(val,port) outw((val),(port)) +#define outl_p(val,port) outl((val),(port)) +#define inb_p(port) inb((port)) +#define inw_p(port) inw((port)) +#define inl_p(port) inl((port)) + +#define outsb_p(port,from,len) outsb(port,from,len) +#define outsw_p(port,from,len) outsw(port,from,len) +#define outsl_p(port,from,len) outsl(port,from,len) +#define insb_p(port,to,len) insb(port,to,len) +#define insw_p(port,to,len) insw(port,to,len) +#define insl_p(port,to,len) insl(port,to,len) + +/* + * ioremap and friends. + * + * ioremap takes a PCI memory address, as specified in + * linux/Documentation/IO-mapping.txt. If you want a + * physical address, use __ioremap instead. + */ +extern void * __ioremap(unsigned long offset, size_t size, unsigned long flags); +extern void __iounmap(void *addr); + +/* + * Generic ioremap support. + * + * Define: + * iomem_valid_addr(off,size) + * iomem_to_phys(off) + */ +#ifdef iomem_valid_addr +#define __arch_ioremap(off,sz,nocache) \ + ({ \ + unsigned long _off = (off), _size = (sz); \ + void *_ret = (void *)0; \ + if (iomem_valid_addr(_off, _size)) \ + _ret = __ioremap(iomem_to_phys(_off),_size,0); \ + _ret; \ + }) + +#define __arch_iounmap __iounmap +#endif + +#define ioremap(off,sz) __arch_ioremap((off),(sz),0) +#define ioremap_nocache(off,sz) __arch_ioremap((off),(sz),1) +#define iounmap(_addr) __arch_iounmap(_addr) + +/* + * DMA-consistent mapping functions. These allocate/free a region of + * uncached, unwrite-buffered mapped memory space for use with DMA + * devices. This is the "generic" version. The PCI specific version + * is in pci.h + */ +extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle); +extern void consistent_free(void *vaddr, size_t size, dma_addr_t handle); +extern void consistent_sync(void *vaddr, size_t size, int rw); + +/* + * String version of IO memory access ops: + */ +extern void _memcpy_fromio(void *, unsigned long, size_t); +extern void _memcpy_toio(unsigned long, const void *, size_t); +extern void _memset_io(unsigned long, int, size_t); + +extern void __readwrite_bug(const char *fn); + +/* + * If this architecture has PCI memory IO, then define the read/write + * macros. These should only be used with the cookie passed from + * ioremap. + */ +#ifdef __mem_pci + +#define readb(c) ({ unsigned int __v = __raw_readb(__mem_pci(c)); __v; }) +#define readw(c) ({ unsigned int __v = le16_to_cpu(__raw_readw(__mem_pci(c))); __v; }) +#define readl(c) ({ unsigned int __v = le32_to_cpu(__raw_readl(__mem_pci(c))); __v; }) + +#define writeb(v,c) __raw_writeb(v,__mem_pci(c)) +#define writew(v,c) __raw_writew(cpu_to_le16(v),__mem_pci(c)) +#define writel(v,c) __raw_writel(cpu_to_le32(v),__mem_pci(c)) + +#define memset_io(c,v,l) _memset_io(__mem_pci(c),(v),(l)) +#define memcpy_fromio(a,c,l) _memcpy_fromio((a),__mem_pci(c),(l)) +#define memcpy_toio(c,a,l) _memcpy_toio(__mem_pci(c),(a),(l)) + +#define eth_io_copy_and_sum(s,c,l,b) \ + eth_copy_and_sum((s),__mem_pci(c),(l),(b)) + +static inline int +check_signature(unsigned long io_addr, const unsigned char *signature, + int length) +{ + int retval = 0; + do { + if (readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + +#elif !defined(readb) + +#define readb(addr) (__readwrite_bug("readb"),0) +#define readw(addr) (__readwrite_bug("readw"),0) +#define readl(addr) (__readwrite_bug("readl"),0) +#define writeb(v,addr) __readwrite_bug("writeb") +#define writew(v,addr) __readwrite_bug("writew") +#define writel(v,addr) __readwrite_bug("writel") + +#define eth_io_copy_and_sum(a,b,c,d) __readwrite_bug("eth_io_copy_and_sum") + +#define check_signature(io,sig,len) (0) + +#endif /* __mem_pci */ + +/* + * If this architecture has ISA IO, then define the isa_read/isa_write + * macros. + */ +#ifdef __mem_isa + +#define isa_readb(addr) __raw_readb(__mem_isa(addr)) +#define isa_readw(addr) __raw_readw(__mem_isa(addr)) +#define isa_readl(addr) __raw_readl(__mem_isa(addr)) +#define isa_writeb(val,addr) __raw_writeb(val,__mem_isa(addr)) +#define isa_writew(val,addr) __raw_writew(val,__mem_isa(addr)) +#define isa_writel(val,addr) __raw_writel(val,__mem_isa(addr)) +#define isa_memset_io(a,b,c) _memset_io(__mem_isa(a),(b),(c)) +#define isa_memcpy_fromio(a,b,c) _memcpy_fromio((a),__mem_isa(b),(c)) +#define isa_memcpy_toio(a,b,c) _memcpy_toio(__mem_isa((a)),(b),(c)) + +#define isa_eth_io_copy_and_sum(a,b,c,d) \ + eth_copy_and_sum((a),__mem_isa(b),(c),(d)) + +static inline int +isa_check_signature(unsigned long io_addr, const unsigned char *signature, + int length) +{ + int retval = 0; + do { + if (isa_readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + +#else /* __mem_isa */ + +#define isa_readb(addr) (__readwrite_bug("isa_readb"),0) +#define isa_readw(addr) (__readwrite_bug("isa_readw"),0) +#define isa_readl(addr) (__readwrite_bug("isa_readl"),0) +#define isa_writeb(val,addr) __readwrite_bug("isa_writeb") +#define isa_writew(val,addr) __readwrite_bug("isa_writew") +#define isa_writel(val,addr) __readwrite_bug("isa_writel") +#define isa_memset_io(a,b,c) __readwrite_bug("isa_memset_io") +#define isa_memcpy_fromio(a,b,c) __readwrite_bug("isa_memcpy_fromio") +#define isa_memcpy_toio(a,b,c) __readwrite_bug("isa_memcpy_toio") + +#define isa_eth_io_copy_and_sum(a,b,c,d) \ + __readwrite_bug("isa_eth_io_copy_and_sum") + +#define isa_check_signature(io,sig,len) (0) + +#endif /* __mem_isa */ +#endif /* __KERNEL__ */ +#endif /* __ASM_ARM_IO_H */ diff --git a/include/asm/memory.h b/include/asm/memory.h new file mode 100644 index 0000000..c3b2afd --- /dev/null +++ b/include/asm/memory.h @@ -0,0 +1,137 @@ +/* + * linux/include/asm-arm/memory.h + * + * Copyright (C) 2000-2002 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Note: this file should not be included by non-asm/.h files + */ +#ifndef __ASM_ARM_MEMORY_H +#define __ASM_ARM_MEMORY_H + +#if 0 /* XXX###XXX */ + +#include +#include + +/* + * PFNs are used to describe any physical page; this means + * PFN 0 == physical address 0. + * + * This is the PFN of the first RAM page in the kernel + * direct-mapped view. We assume this is the first page + * of RAM in the mem_map as well. + */ +#define PHYS_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT) + +/* + * These are *only* valid on the kernel direct mapped RAM memory. + */ +static inline unsigned long virt_to_phys(void *x) +{ + return __virt_to_phys((unsigned long)(x)); +} + +static inline void *phys_to_virt(unsigned long x) +{ + return (void *)(__phys_to_virt((unsigned long)(x))); +} + +#define __pa(x) __virt_to_phys((unsigned long)(x)) +#define __va(x) ((void *)__phys_to_virt((unsigned long)(x))) + +/* + * Virtual <-> DMA view memory address translations + * Again, these are *only* valid on the kernel direct mapped RAM + * memory. Use of these is *depreciated*. + */ +#define virt_to_bus(x) (__virt_to_bus((unsigned long)(x))) +#define bus_to_virt(x) ((void *)(__bus_to_virt((unsigned long)(x)))) + +/* + * Conversion between a struct page and a physical address. + * + * Note: when converting an unknown physical address to a + * struct page, the resulting pointer must be validated + * using VALID_PAGE(). It must return an invalid struct page + * for any physical address not corresponding to a system + * RAM address. + * + * page_to_pfn(page) convert a struct page * to a PFN number + * pfn_to_page(pfn) convert a _valid_ PFN number to struct page * + * pfn_valid(pfn) indicates whether a PFN number is valid + * + * virt_to_page(k) convert a _valid_ virtual address to struct page * + * virt_addr_valid(k) indicates whether a virtual address is valid + */ +#ifndef CONFIG_DISCONTIGMEM + +#define page_to_pfn(page) (((page) - mem_map) + PHYS_PFN_OFFSET) +#define pfn_to_page(pfn) ((mem_map + (pfn)) - PHYS_PFN_OFFSET) +#define pfn_valid(pfn) ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr)) + +#define virt_to_page(kaddr) (pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)) +#define virt_addr_valid(kaddr) ((kaddr) >= PAGE_OFFSET && (kaddr) < (unsigned long)high_memory) + +#define PHYS_TO_NID(addr) (0) + +#define VALID_PAGE(page) ((page - mem_map) < max_mapnr) + +#else + +/* + * This is more complex. We have a set of mem_map arrays spread + * around in memory. + */ +#define page_to_pfn(page) \ + (((page) - page_zone(page)->zone_mem_map) \ + + (page_zone(page)->zone_start_paddr >> PAGE_SHIFT)) + +#define pfn_to_page(pfn) \ + (PFN_TO_MAPBASE(pfn) + LOCAL_MAP_NR((pfn) << PAGE_SHIFT)) + +#define pfn_valid(pfn) \ + ({ \ + unsigned int node = PFN_TO_NID(pfn); \ + struct pglist_data *nd = NODE_DATA(node); \ + ((node < NR_NODES) && \ + ((pfn - (nd->node_start_paddr >> PAGE_SHIFT)) < nd->node_size));\ + }) + +#define virt_to_page(kaddr) \ + (ADDR_TO_MAPBASE(kaddr) + LOCAL_MAP_NR(kaddr)) + +#define virt_addr_valid(kaddr) (KVADDR_TO_NID(kaddr) < NR_NODES) + +/* + * Common discontigmem stuff. + * PHYS_TO_NID is used by the ARM kernel/setup.c + */ +#define PHYS_TO_NID(addr) PFN_TO_NID((addr) >> PAGE_SHIFT) + +/* + * 2.4 compatibility + * + * VALID_PAGE returns a non-zero value if given page pointer is valid. + * This assumes all node's mem_maps are stored within the node they + * refer to. This is actually inherently buggy. + */ +#define VALID_PAGE(page) \ +({ unsigned int node = KVADDR_TO_NID(page); \ + ((node < NR_NODES) && \ + ((unsigned)((page) - NODE_MEM_MAP(node)) < NODE_DATA(node)->node_size)); \ +}) + +#endif + +/* + * We should really eliminate virt_to_bus() here - it's depreciated. + */ +#define page_to_bus(page) (virt_to_bus(page_address(page))) + +#endif /* XXX###XXX */ + +#endif /* __ASM_ARM_MEMORY_H */ diff --git a/include/asm/types.h b/include/asm/types.h index 13e9806..efc3052 100644 --- a/include/asm/types.h +++ b/include/asm/types.h @@ -44,6 +44,7 @@ typedef unsigned long long u64; /* Dma addresses are 32-bits wide. */ typedef u32 dma_addr_t; +typedef unsigned long phys_addr_t; #endif /* __KERNEL__ */ diff --git a/include/configs/omap3530beagle.h b/include/configs/omap3530beagle.h index 8728378..5625417 100644 --- a/include/configs/omap3530beagle.h +++ b/include/configs/omap3530beagle.h @@ -40,13 +40,18 @@ #define CONFIG_OMAP3430 1 /* which is in a 3430 */ #define CONFIG_OMAP3_BEAGLE 1 /* working with BEAGLE */ -#define CONFIG_BEAGLE_REV2 1 +#define CONFIG_BEAGLE_REV2 1 /* Enable the below macro if MMC boot support is required */ #define CONFIG_MMC 1 #if defined(CONFIG_MMC) - #define CFG_CMD_MMC 1 - #define CFG_CMD_FAT 1 + #define CFG_CMD_MMC 1 + #define CFG_CMD_FAT 1 + #define CFG_I2C_SPEED 100000 + #define CFG_I2C_SLAVE 1 + #define CFG_I2C_BUS 0 + #define CFG_I2C_BUS_SELECT 1 + #define CONFIG_DRIVER_OMAP34XX_I2C 1 #endif #include /* get chip and board defs */ diff --git a/include/configs/overo.h b/include/configs/overo.h index 44d80c0..70e3683 100644 --- a/include/configs/overo.h +++ b/include/configs/overo.h @@ -48,6 +48,11 @@ #if defined(CONFIG_MMC) #define CFG_CMD_MMC 1 #define CFG_CMD_FAT 1 + #define CFG_I2C_SPEED 100000 + #define CFG_I2C_SLAVE 1 + #define CFG_I2C_BUS 0 + #define CFG_I2C_BUS_SELECT 1 + #define CONFIG_DRIVER_OMAP34XX_I2C 1 #endif #include /* get chip and board defs */ diff --git a/include/i2c.h b/include/i2c.h new file mode 100644 index 0000000..a51c164 --- /dev/null +++ b/include/i2c.h @@ -0,0 +1,151 @@ +/* + * (C) Copyright 2001 + * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.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 + * + * The original I2C interface was + * (C) 2000 by Paolo Scaffardi (arsenio@tin.it) + * AIRVENT SAM s.p.a - RIMINI(ITALY) + * but has been changed substantially. + */ + +#ifndef _I2C_H_ +#define _I2C_H_ + +/* + * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING + * + * The implementation MUST NOT use static or global variables if the + * I2C routines are used to read SDRAM configuration information + * because this is done before the memories are initialized. Limited + * use of stack-based variables are OK (the initial stack size is + * limited). + * + * WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING + */ + +/* + * Configuration items. + */ +#define I2C_RXTX_LEN 128 /* maximum tx/rx buffer length */ + +#if defined(CONFIG_I2C_MULTI_BUS) +#define CFG_MAX_I2C_BUS 2 +#define I2C_GET_BUS() i2c_get_bus_num() +#define I2C_SET_BUS(a) i2c_set_bus_num(a) +#else +#define CFG_MAX_I2C_BUS 1 +#define I2C_GET_BUS() 0 +#define I2C_SET_BUS(a) +#endif + +/* define the I2C bus number for RTC and DTT if not already done */ +#if !defined(CFG_RTC_BUS_NUM) +#define CFG_RTC_BUS_NUM 0 +#endif +#if !defined(CFG_DTT_BUS_NUM) +#define CFG_DTT_BUS_NUM 0 +#endif +#if !defined(CFG_SPD_BUS_NUM) +#define CFG_SPD_BUS_NUM 0 +#endif + +/* + * Initialization, must be called once on start up, may be called + * repeatedly to change the speed and slave addresses. + */ +void i2c_init(int speed, int slaveaddr); +#ifdef CFG_I2C_INIT_BOARD +void i2c_init_board(void); +#endif + +/* + * Probe the given I2C chip address. Returns 0 if a chip responded, + * not 0 on failure. + */ +int i2c_probe(uchar chip); + +/* + * Read/Write interface: + * chip: I2C chip address, range 0..127 + * addr: Memory (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: Where to read/write the data + * len: How many bytes to read/write + * + * Returns: 0 on success, not 0 on failure + */ +int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len); +int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len); + +/* + * Utility routines to read/write registers. + */ +uchar i2c_reg_read (uchar chip, uchar reg); +void i2c_reg_write(uchar chip, uchar reg, uchar val); + +/* + * Functions for setting the current I2C bus and its speed + */ + +/* + * i2c_set_bus_num: + * + * Change the active I2C bus. Subsequent read/write calls will + * go to this one. + * + * bus - bus index, zero based + * + * Returns: 0 on success, not 0 on failure + * + */ +int i2c_set_bus_num(unsigned int bus); + +/* + * i2c_get_bus_num: + * + * Returns index of currently active I2C bus. Zero-based. + */ + +unsigned int i2c_get_bus_num(void); + +/* + * i2c_set_bus_speed: + * + * Change the speed of the active I2C bus + * + * speed - bus speed in Hz + * + * Returns: 0 on success, not 0 on failure + * + */ +int i2c_set_bus_speed(unsigned int); + +/* + * i2c_get_bus_speed: + * + * Returns speed of currently active I2C bus in Hz + */ + +unsigned int i2c_get_bus_speed(void); + +#endif /* _I2C_H_ */ diff --git a/include/mmc.h b/include/mmc.h index ee74261..19c76fe 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -25,9 +25,33 @@ #define _MMC_H_ #include +/* MMC command numbers */ +#define MMC_CMD_GO_IDLE_STATE 0 +#define MMC_CMD_SEND_OP_COND 1 +#define MMC_CMD_ALL_SEND_CID 2 +#define MMC_CMD_SET_RELATIVE_ADDR 3 +#define MMC_CMD_SET_DSR 4 +#define MMC_CMD_SELECT_CARD 7 +#define MMC_CMD_SEND_CSD 9 +#define MMC_CMD_SEND_CID 10 +#define MMC_CMD_SEND_STATUS 13 +#define MMC_CMD_SET_BLOCKLEN 16 +#define MMC_CMD_READ_SINGLE_BLOCK 17 +#define MMC_CMD_READ_MULTIPLE_BLOCK 18 +#define MMC_CMD_WRITE_BLOCK 24 +#define MMC_CMD_APP_CMD 55 + +/* SD Card command numbers */ +#define SD_CMD_SEND_RELATIVE_ADDR 3 +#define SD_CMD_SWITCH 6 +#define SD_CMD_SEND_IF_COND 8 + +#define SD_CMD_APP_SET_BUS_WIDTH 6 +#define SD_CMD_APP_SEND_OP_COND 41 + int mmc_init(int verbose); -int mmc_read(unsigned int src, unsigned char *dst, int size); -int mmc_write(unsigned char *src, unsigned long dst, int size); -int mmc2info(unsigned int addr); +int mmc_read(ulong src, uchar *dst, int size); +int mmc_write(uchar *src, ulong dst, int size); +int mmc2info(ulong addr); #endif /* _MMC_H_ */ diff --git a/lib/board.c b/lib/board.c index 11b8500..92e4615 100644 --- a/lib/board.c +++ b/lib/board.c @@ -35,14 +35,23 @@ #include #include +const char version_string[] = + "Texas Instruments X-Loader 1.4.2 (" __DATE__ " - " __TIME__ ")"; + #ifdef CFG_PRINTF int print_info(void) { - printf("\n\nTexas Instruments X-Loader 1.41sms\n"); + printf("\n\n%s\n", version_string); return 0; } #endif +static int init_func_i2c (void) +{ + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + return 0; +} + typedef int (init_fnc_t) (void); init_fnc_t *init_sequence[] = { @@ -53,6 +62,7 @@ init_fnc_t *init_sequence[] = { print_info, #endif nand_init, /* board specific nand init */ + init_func_i2c, NULL, }; @@ -74,8 +84,6 @@ void start_armboot (void) #ifdef CONFIG_MMC /* first try mmc */ if (mmc_init(1)) { - dev_desc = mmc_get_dev(0); - fat_register_device(dev_desc, 1); size = file_fat_read("u-boot.bin", buf, 0); if (size > 0) { #ifdef CFG_PRINTF @@ -83,8 +91,8 @@ void start_armboot (void) #endif buf += size; } - } #endif + } if (buf == (uchar *)CFG_LOADADDR) { /* if no u-boot on mmc, try onenand or nand, depending upon sysboot */ -- 2.39.5