Date: Mon, 16 Nov 2009 20:09:11 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 170675 for review Message-ID: <200911162009.nAGK9Bi4069995@repoman.freebsd.org>
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http://p4web.freebsd.org/chv.cgi?CH=170675 Change 170675 by hselasky@hselasky_laptop001 on 2009/11/16 20:08:37 USB controller: - temporary fix for dynamic fifo sizing. - correct a register definition Affected files ... .. //depot/projects/usb/src/sys/dev/usb/controller/musb_otg.c#28 edit .. //depot/projects/usb/src/sys/dev/usb/controller/musb_otg.h#8 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb/controller/musb_otg.c#28 (text+ko) ==== @@ -1688,12 +1688,14 @@ musbotg_init(struct musbotg_softc *sc) { struct usb_hw_ep_profile *pf; + uint16_t offset; uint8_t nrx; uint8_t ntx; uint8_t temp; uint8_t fsize; uint8_t frx; uint8_t ftx; + uint8_t dynfifo; DPRINTFN(1, "start\n"); @@ -1776,11 +1778,20 @@ DPRINTFN(2, "Config Data: 0x%02x\n", sc->sc_conf_data); + dynfifo = (sc->sc_conf_data & MUSB2_MASK_CD_DYNFIFOSZ) ? 1 : 0; + + if (dynfifo) { + DPRINTFN(0, "Dynamic FIFO sizing detected! " + "Assuming 16Kbytes of FIFO RAM\n"); + } + DPRINTFN(2, "HW version: 0x%04x\n", MUSB2_READ_1(sc, MUSB2_REG_HWVERS)); /* initialise endpoint profiles */ + offset = 0; + for (temp = 1; temp <= sc->sc_ep_max; temp++) { pf = sc->sc_hw_ep_profile + temp; @@ -1791,9 +1802,33 @@ frx = (fsize & MUSB2_MASK_RX_FSIZE) / 16;; ftx = (fsize & MUSB2_MASK_TX_FSIZE); - DPRINTF("Endpoint %u FIFO size: IN=%u, OUT=%u\n", - temp, pf->max_in_frame_size, - pf->max_out_frame_size); + DPRINTF("Endpoint %u FIFO size: IN=%u, OUT=%u, DYN=%d\n", + temp, ftx, frx, dynfifo); + + if (dynfifo) { + if (frx && (temp <= nrx)) { + frx = 10; /* 1K */ + MUSB2_WRITE_1(sc, MUSB2_REG_RXFIFOSZ, + MUSB2_VAL_FIFOSZ_512 | + MUSB2_MASK_FIFODB); + + MUSB2_WRITE_1(sc, MUSB2_REG_RXFIFOADD, + offset >> 3); + + offset += (1 << frx); + } + if (ftx && (temp <= ntx)) { + ftx = 10; /* 1K */ + MUSB2_WRITE_1(sc, MUSB2_REG_TXFIFOSZ, + MUSB2_VAL_FIFOSZ_512 | + MUSB2_MASK_FIFODB); + + MUSB2_WRITE_1(sc, MUSB2_REG_TXFIFOADD, + offset >> 3); + + offset += (1 << ftx); + } + } if (frx && ftx && (temp <= nrx) && (temp <= ntx)) { pf->max_in_frame_size = 1 << ftx; @@ -1824,6 +1859,8 @@ } } + DPRINTFN(2, "Dynamic FIFO size = %d bytes\n", offset); + /* turn on default interrupts */ MUSB2_WRITE_1(sc, MUSB2_REG_INTUSBE, ==== //depot/projects/usb/src/sys/dev/usb/controller/musb_otg.h#8 (text+ko) ==== @@ -191,7 +191,7 @@ #define MUSB2_REG_EPFIFO(n) (0x0020 + (4*(n))) -#define MUSB2_REG_CONFDATA 0x000F /* EPN=0 */ +#define MUSB2_REG_CONFDATA (0x000F + MUSB2_REG_INDEXED_CSR) /* EPN=0 */ #define MUSB2_MASK_CD_UTMI_DW 0x01 #define MUSB2_MASK_CD_SOFTCONE 0x02 #define MUSB2_MASK_CD_DYNFIFOSZ 0x04
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