diff options
Diffstat (limited to 'board/delta')
-rw-r--r-- | board/delta/delta.c | 37 | ||||
-rw-r--r-- | board/delta/nand.c | 110 |
2 files changed, 76 insertions, 71 deletions
diff --git a/board/delta/delta.c b/board/delta/delta.c index 68c39d2..df23076 100644 --- a/board/delta/delta.c +++ b/board/delta/delta.c @@ -28,6 +28,7 @@ #include <malloc.h> #include <command.h> #include <asm/arch/pxa-regs.h> +#include <asm/io.h> DECLARE_GLOBAL_DATA_PTR; @@ -110,7 +111,7 @@ static uchar kbd_command_prefix[] = "key_cmd"; static void get_pressed_keys(uchar *s) { unsigned long val; - val = GPLR3; + val = readl(GPLR3); if(val & (1<<31)) *s++ = KEYBD_KP_DKIN0; @@ -124,18 +125,18 @@ static void get_pressed_keys(uchar *s) static void keys_init() { - CKENB |= CKENB_7_GPIO; + writel(readl(CKENB) | CKENB_7_GPIO, CKENB); udelay(100); /* Configure GPIOs */ - GPIO127 = 0xa840; /* KP_DKIN0 */ - GPIO114 = 0xa840; /* KP_DKIN1 */ - GPIO125 = 0xa840; /* KP_DKIN2 */ - GPIO118 = 0xa840; /* KP_DKIN5 */ + writel(0xa840, GPIO127); /* KP_DKIN0 */ + writel(0xa840, GPIO114); /* KP_DKIN1 */ + writel(0xa840, GPIO125); /* KP_DKIN2 */ + writel(0xa840, GPIO118); /* KP_DKIN5 */ /* Configure GPIOs as inputs */ - GPDR3 &= ~(1<<31 | 1<<18 | 1<<29 | 1<<22); - GCDR3 = (1<<31 | 1<<18 | 1<<29 | 1<<22); + writel(readl(GPDR3) & ~(1<<31 | 1<<18 | 1<<29 | 1<<22), GPDR3); + writel((1<<31 | 1<<18 | 1<<29 | 1<<22), GCDR3); udelay(100); } @@ -283,11 +284,11 @@ int dram_init (void) void i2c_init_board() { - CKENB |= (CKENB_4_I2C); + writel(readl(CKENB) | (CKENB_4_I2C), CKENB); /* setup I2C GPIO's */ - GPIO32 = 0x801; /* SCL = Alt. Fkt. 1 */ - GPIO33 = 0x801; /* SDA = Alt. Fkt. 1 */ + writel(0x801, GPIO32); /* SCL = Alt. Fkt. 1 */ + writel(0x801, GPIO33); /* SDA = Alt. Fkt. 1 */ } /* initialize the DA9030 Power Controller */ @@ -295,20 +296,20 @@ static void init_DA9030() { uchar addr = (uchar) DA9030_I2C_ADDR, val = 0; - CKENB |= CKENB_7_GPIO; + writel(readl(CKENB) | CKENB_7_GPIO, CKENB); udelay(100); /* Rising Edge on EXTON to reset DA9030 */ - GPIO17 = 0x8800; /* configure GPIO17, no pullup, -down */ - GPDR0 |= (1<<17); /* GPIO17 is output */ - GSDR0 = (1<<17); - GPCR0 = (1<<17); /* drive GPIO17 low */ - GPSR0 = (1<<17); /* drive GPIO17 high */ + writel(0x8800, GPIO17); /* configure GPIO17, no pullup, -down */ + writel(readl(GPDR0) | (1<<17), GPDR0); /* GPIO17 is output */ + writel((1<<17), GSDR0); + writel((1<<17), GPCR0); /* drive GPIO17 low */ + writel((1<<17), GPSR0); /* drive GPIO17 high */ #if CONFIG_SYS_DA9030_EXTON_DELAY udelay((unsigned long) CONFIG_SYS_DA9030_EXTON_DELAY); /* wait for DA9030 */ #endif - GPCR0 = (1<<17); /* drive GPIO17 low */ + writel((1<<17), GPCR0); /* drive GPIO17 low */ /* reset the watchdog and go active (0xec) */ val = (SYS_CONTROL_A_HWRES_ENABLE | diff --git a/board/delta/nand.c b/board/delta/nand.c index 85a6ba2..119a587 100644 --- a/board/delta/nand.c +++ b/board/delta/nand.c @@ -26,6 +26,7 @@ #include <nand.h> #include <asm/arch/pxa-regs.h> +#include <asm/io.h> #ifdef CONFIG_SYS_DFC_DEBUG1 # define DFC_DEBUG1(fmt, args...) printf(fmt, ##args) @@ -95,7 +96,7 @@ static void dfc_write_buf(struct mtd_info *mtd, const u_char *buf, int len) if(bytes_multi) { for(i=0; i<bytes_multi; i+=4) { long_buf = (unsigned long*) &buf[i]; - NDDB = *long_buf; + writel(*long_buf, NDDB); } } if(rest) { @@ -120,7 +121,7 @@ static void dfc_read_buf(struct mtd_info *mtd, u_char* const buf, int len) if(bytes_multi) { for(i=0; i<bytes_multi; i+=4) { long_buf = (unsigned long*) &buf[i]; - *long_buf = NDDB; + *long_buf = readl(NDDB); } } @@ -166,8 +167,8 @@ static u_char dfc_read_byte(struct mtd_info *mtd) unsigned long dummy; if(bytes_read < 0) { - read_buf = NDDB; - dummy = NDDB; + read_buf = readl(NDDB); + dummy = readl(NDDB); bytes_read = 0; } byte = (unsigned char) (read_buf>>(8 * bytes_read++)); @@ -181,7 +182,7 @@ static u_char dfc_read_byte(struct mtd_info *mtd) /* calculate delta between OSCR values start and now */ static unsigned long get_delta(unsigned long start) { - unsigned long cur = OSCR; + unsigned long cur = readl(OSCR); if(cur < start) /* OSCR overflowed */ return (cur + (start^0xffffffff)); @@ -192,7 +193,7 @@ static unsigned long get_delta(unsigned long start) /* delay function, this doesn't belong here */ static void wait_us(unsigned long us) { - unsigned long start = OSCR; + unsigned long start = readl(OSCR); us = DIV_ROUND_UP(us * OSCR_CLK_FREQ, 1000); while (get_delta(start) < us) { @@ -202,14 +203,14 @@ static void wait_us(unsigned long us) static void dfc_clear_nddb(void) { - NDCR &= ~NDCR_ND_RUN; + writel(readl(NDCR) & ~NDCR_ND_RUN, NDCR); wait_us(CONFIG_SYS_NAND_OTHER_TO); } /* wait_event with timeout */ static unsigned long dfc_wait_event(unsigned long event) { - unsigned long ndsr, timeout, start = OSCR; + unsigned long ndsr, timeout, start = readl(OSCR); if(!event) return 0xff000000; @@ -221,9 +222,9 @@ static unsigned long dfc_wait_event(unsigned long event) * OSCR_CLK_FREQ, 1000); while(1) { - ndsr = NDSR; + ndsr = readl(NDSR); if(ndsr & event) { - NDSR |= event; + writel(readl(NDSR) | event, NDSR); break; } if(get_delta(start) > timeout) { @@ -243,11 +244,11 @@ static void dfc_new_cmd(void) while(retry++ <= CONFIG_SYS_NAND_SENDCMD_RETRY) { /* Clear NDSR */ - NDSR = 0xFFF; + writel(0xfff, NDSR); /* set NDCR[NDRUN] */ - if(!(NDCR & NDCR_ND_RUN)) - NDCR |= NDCR_ND_RUN; + if (!(readl(NDCR) & NDCR_ND_RUN)) + writel(readl(NDCR) | NDCR_ND_RUN, NDCR); status = dfc_wait_event(NDSR_WRCMDREQ); @@ -357,9 +358,9 @@ static void dfc_cmdfunc(struct mtd_info *mtd, unsigned command, } write_cmd: - NDCB0 = ndcb0; - NDCB0 = ndcb1; - NDCB0 = ndcb2; + writel(ndcb0, NDCB0); + writel(ndcb1, NDCB0); + writel(ndcb2, NDCB0); /* wait_event: */ dfc_wait_event(event); @@ -372,36 +373,36 @@ static void dfc_gpio_init(void) DFC_DEBUG2("Setting up DFC GPIO's.\n"); /* no idea what is done here, see zylonite.c */ - GPIO4 = 0x1; - - DF_ALE_WE1 = 0x00000001; - DF_ALE_WE2 = 0x00000001; - DF_nCS0 = 0x00000001; - DF_nCS1 = 0x00000001; - DF_nWE = 0x00000001; - DF_nRE = 0x00000001; - DF_IO0 = 0x00000001; - DF_IO8 = 0x00000001; - DF_IO1 = 0x00000001; - DF_IO9 = 0x00000001; - DF_IO2 = 0x00000001; - DF_IO10 = 0x00000001; - DF_IO3 = 0x00000001; - DF_IO11 = 0x00000001; - DF_IO4 = 0x00000001; - DF_IO12 = 0x00000001; - DF_IO5 = 0x00000001; - DF_IO13 = 0x00000001; - DF_IO6 = 0x00000001; - DF_IO14 = 0x00000001; - DF_IO7 = 0x00000001; - DF_IO15 = 0x00000001; - - DF_nWE = 0x1901; - DF_nRE = 0x1901; - DF_CLE_NOE = 0x1900; - DF_ALE_WE1 = 0x1901; - DF_INT_RnB = 0x1900; + writel(0x1, GPIO4); + + writel(0x00000001, DF_ALE_nWE1); + writel(0x00000001, DF_ALE_nWE2); + writel(0x00000001, DF_nCS0); + writel(0x00000001, DF_nCS1); + writel(0x00000001, DF_nWE); + writel(0x00000001, DF_nRE); + writel(0x00000001, DF_IO0); + writel(0x00000001, DF_IO8); + writel(0x00000001, DF_IO1); + writel(0x00000001, DF_IO9); + writel(0x00000001, DF_IO2); + writel(0x00000001, DF_IO10); + writel(0x00000001, DF_IO3); + writel(0x00000001, DF_IO11); + writel(0x00000001, DF_IO4); + writel(0x00000001, DF_IO12); + writel(0x00000001, DF_IO5); + writel(0x00000001, DF_IO13); + writel(0x00000001, DF_IO6); + writel(0x00000001, DF_IO14); + writel(0x00000001, DF_IO7); + writel(0x00000001, DF_IO15); + + writel(0x1901, DF_nWE); + writel(0x1901, DF_nRE); + writel(0x1900, DF_CLE_nOE); + writel(0x1901, DF_ALE_nWE1); + writel(0x1900, DF_INT_RnB); } /* @@ -430,7 +431,7 @@ int board_nand_init(struct nand_chip *nand) dfc_gpio_init(); /* turn on the NAND Controller Clock (104 MHz @ D0) */ - CKENA |= (CKENA_4_NAND | CKENA_9_SMC); + writel(readl(CKENA) | (CKENA_4_NAND | CKENA_9_SMC), CKENA); #undef CONFIG_SYS_TIMING_TIGHT #ifndef CONFIG_SYS_TIMING_TIGHT @@ -485,17 +486,19 @@ int board_nand_init(struct nand_chip *nand) tRP_high = 0; } - NDTR0CS0 = (tCH << 19) | + writel((tCH << 19) | (tCS << 16) | (tWH << 11) | (tWP << 8) | (tRP_high << 6) | (tRH << 3) | - (tRP << 0); + (tRP << 0), + NDTR0CS0); - NDTR1CS0 = (tR << 16) | + writel((tR << 16) | (tWHR << 4) | - (tAR << 0); + (tAR << 0), + NDTR1CS0); /* If it doesn't work (unlikely) think about: * - ecc enable @@ -512,7 +515,7 @@ int board_nand_init(struct nand_chip *nand) */ /* NDCR_NCSX | /\* Chip select busy don't care *\/ */ - NDCR = (NDCR_SPARE_EN | /* use the spare area */ + writel(NDCR_SPARE_EN | /* use the spare area */ NDCR_DWIDTH_C | /* 16bit DFC data bus width */ NDCR_DWIDTH_M | /* 16 bit Flash device data bus width */ (2 << 16) | /* read id count = 7 ???? mk@tbd */ @@ -528,7 +531,8 @@ int board_nand_init(struct nand_chip *nand) NDCR_SBERRM | /* single bit error ir masked */ NDCR_WRDREQM | /* write data request ir masked */ NDCR_RDDREQM | /* read data request ir masked */ - NDCR_WRCMDREQM); /* write command request ir masked */ + NDCR_WRCMDREQM, /* write command request ir masked */ + NDCR); /* wait 10 us due to cmd buffer clear reset */ |