Searched refs:rbdf (Results 1 – 4 of 4) sorted by relevance
| /openbmc/u-boot/arch/powerpc/cpu/mpc85xx/ |
| H A D | serial_scc.c | 78 volatile cbd_t *tbdf, *rbdf; in mpc85xx_serial_init() local
110 rbdf = (cbd_t *)&(cpm->im_dprambase[dpaddr]); in mpc85xx_serial_init()
111 rbdf->cbd_bufaddr = (uint) (rbdf+2); in mpc85xx_serial_init()
112 rbdf->cbd_sc = BD_SC_EMPTY | BD_SC_WRAP; in mpc85xx_serial_init()
113 tbdf = rbdf + 1; in mpc85xx_serial_init()
114 tbdf->cbd_bufaddr = ((uint) (rbdf+2)) + 1; in mpc85xx_serial_init()
208 volatile cbd_t *rbdf; in mpc85xx_serial_getc() local
214 rbdf = (cbd_t *)&(cpm->im_dprambase[up->scc_genscc.scc_rbase]); in mpc85xx_serial_getc()
218 while (rbdf->cbd_sc & BD_SC_EMPTY) in mpc85xx_serial_getc()
223 c = *(volatile unsigned char *)rbdf->cbd_bufaddr; in mpc85xx_serial_getc()
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| /openbmc/linux/arch/powerpc/boot/ |
| H A D | cpm-serial.c | 75 static struct cpm_bd *tbdf, *rbdf; variable
146 rbdf = cbd_addr; in cpm_serial_open()
147 rbdf->addr = (u8 *)rbdf - 1; in cpm_serial_open()
148 rbdf->sc = 0xa000; in cpm_serial_open()
149 rbdf->len = 1; in cpm_serial_open()
151 tbdf = rbdf + 1; in cpm_serial_open()
152 tbdf->addr = (u8 *)rbdf - 2; in cpm_serial_open()
181 return !(rbdf->sc & 0x8000); in cpm_serial_tstc()
192 c = rbdf->addr[0]; in cpm_serial_getc()
194 rbdf->sc |= 0x8000; in cpm_serial_getc()
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| /openbmc/u-boot/drivers/spi/ |
| H A D | mpc8xx_spi.c | 37 cbd_t __iomem *tbdf, *rbdf; in mpc8xx_spi_probe() local
133 rbdf = (cbd_t __iomem *)&cp->cp_dpmem[CPM_SPI_BASE_RX]; in mpc8xx_spi_probe()
136 clrbits_be16(&rbdf->cbd_sc, BD_SC_EMPTY); in mpc8xx_spi_probe()
150 cbd_t __iomem *tbdf, *rbdf; in mpc8xx_spi_xfer() local
158 rbdf = (cbd_t __iomem *)&cp->cp_dpmem[CPM_SPI_BASE_RX]; in mpc8xx_spi_xfer()
169 out_be32(&rbdf->cbd_bufaddr, (ulong)din); in mpc8xx_spi_xfer()
170 out_be16(&rbdf->cbd_sc, BD_SC_EMPTY | BD_SC_WRAP); in mpc8xx_spi_xfer()
171 out_be16(&rbdf->cbd_datlen, 0); /* rx length has no significance */ in mpc8xx_spi_xfer()
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| /openbmc/linux/drivers/i2c/busses/ |
| H A D | i2c-cpm.c | 185 cbd_t __iomem *rbdf; in cpm_i2c_parse_message() local
192 rbdf = cpm->rbase + rx; in cpm_i2c_parse_message()
222 out_be16(&rbdf->cbd_datlen, 0); in cpm_i2c_parse_message()
223 out_be16(&rbdf->cbd_sc, BD_SC_EMPTY | BD_SC_INTRPT); in cpm_i2c_parse_message()
226 setbits16(&rbdf->cbd_sc, BD_SC_WRAP); in cpm_i2c_parse_message()
244 cbd_t __iomem *rbdf; in cpm_i2c_check_message() local
250 rbdf = cpm->rbase + rx; in cpm_i2c_check_message()
261 in_be16(&tbdf->cbd_sc), in_be16(&rbdf->cbd_sc)); in cpm_i2c_check_message()
267 if (in_be16(&rbdf->cbd_sc) & BD_SC_EMPTY) { in cpm_i2c_check_message()
272 if (in_be16(&rbdf->cbd_sc) & BD_SC_OV) { in cpm_i2c_check_message()
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