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[src/trunk]: src/sys/arch/arm/allwinner replace mmc magic bits with symbolic ...
details: https://anonhg.NetBSD.org/src/rev/498f770c9189
branches: trunk
changeset: 332117:498f770c9189
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sun Sep 07 15:38:06 2014 +0000
description:
replace mmc magic bits with symbolic names
diffstat:
sys/arch/arm/allwinner/awin_mmc.c | 60 ++++++++++++-----------
sys/arch/arm/allwinner/awin_reg.h | 99 +++++++++++++++++++++++++++++++++++++++
2 files changed, 131 insertions(+), 28 deletions(-)
diffs (truncated from 301 to 300 lines):
diff -r df5da5c05c2d -r 498f770c9189 sys/arch/arm/allwinner/awin_mmc.c
--- a/sys/arch/arm/allwinner/awin_mmc.c Sun Sep 07 15:28:24 2014 +0000
+++ b/sys/arch/arm/allwinner/awin_mmc.c Sun Sep 07 15:38:06 2014 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: awin_mmc.c,v 1.4 2014/08/24 21:42:06 skrll Exp $ */
+/* $NetBSD: awin_mmc.c,v 1.5 2014/09/07 15:38:06 jmcneill Exp $ */
/*-
* Copyright (c) 2014 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -29,7 +29,7 @@
#include "locators.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: awin_mmc.c,v 1.4 2014/08/24 21:42:06 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: awin_mmc.c,v 1.5 2014/09/07 15:38:06 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -236,7 +236,7 @@
#endif
MMC_WRITE(sc, AWIN_MMC_GCTRL,
- MMC_READ(sc, AWIN_MMC_GCTRL) | __BITS(2,0));
+ MMC_READ(sc, AWIN_MMC_GCTRL) | AWIN_MMC_GCTRL_RESET);
return 0;
}
@@ -298,11 +298,13 @@
uint32_t cmd;
int retry;
- cmd = __BIT(31) | __BIT(21) | __BIT(13);
+ cmd = AWIN_MMC_CMD_START |
+ AWIN_MMC_CMD_UPCLK_ONLY |
+ AWIN_MMC_CMD_WAIT_PRE_OVER;
MMC_WRITE(sc, AWIN_MMC_CMD, cmd);
retry = 0xfffff;
while (--retry > 0) {
- if (!(MMC_READ(sc, AWIN_MMC_CMD) & __BIT(31)))
+ if (!(MMC_READ(sc, AWIN_MMC_CMD) & AWIN_MMC_CMD_START))
break;
delay(10);
}
@@ -326,7 +328,7 @@
#endif
clkcr = MMC_READ(sc, AWIN_MMC_CLKCR);
- clkcr &= ~__BIT(16);
+ clkcr &= ~AWIN_MMC_CLKCR_CARDCLKON;
MMC_WRITE(sc, AWIN_MMC_CLKCR, clkcr);
if (awin_mmc_update_clock(sc) != 0)
return 1;
@@ -335,13 +337,13 @@
freq_hz = freq * 1000;
div = (sc->sc_mod_clk + (freq_hz >> 1)) / freq_hz / 2;
- clkcr &= ~__BITS(15,0);
+ clkcr &= ~AWIN_MMC_CLKCR_DIV;
clkcr |= div;
MMC_WRITE(sc, AWIN_MMC_CLKCR, clkcr);
if (awin_mmc_update_clock(sc) != 0)
return 1;
- clkcr |= __BIT(16);
+ clkcr |= AWIN_MMC_CLKCR_CARDCLKON;
MMC_WRITE(sc, AWIN_MMC_CLKCR, clkcr);
if (awin_mmc_update_clock(sc) != 0)
return 1;
@@ -361,13 +363,13 @@
switch (width) {
case 1:
- MMC_WRITE(sc, AWIN_MMC_WIDTH, 0);
+ MMC_WRITE(sc, AWIN_MMC_WIDTH, AWIN_MMC_WIDTH_1);
break;
case 4:
- MMC_WRITE(sc, AWIN_MMC_WIDTH, 1);
+ MMC_WRITE(sc, AWIN_MMC_WIDTH, AWIN_MMC_WIDTH_4);
break;
case 8:
- MMC_WRITE(sc, AWIN_MMC_WIDTH, 2);
+ MMC_WRITE(sc, AWIN_MMC_WIDTH, AWIN_MMC_WIDTH_8);
break;
default:
return 1;
@@ -388,7 +390,8 @@
awin_mmc_xfer_wait(struct awin_mmc_softc *sc, struct sdmmc_command *cmd)
{
int retry = 0xfffff;
- uint32_t bit = (cmd->c_flags & SCF_CMD_READ) ? __BIT(2) : __BIT(3);
+ uint32_t bit = (cmd->c_flags & SCF_CMD_READ) ?
+ AWIN_MMC_STATUS_FIFO_EMPTY : AWIN_MMC_STATUS_FIFO_FULL;
while (--retry > 0) {
uint32_t status = MMC_READ(sc, AWIN_MMC_STATUS);
@@ -423,7 +426,7 @@
awin_mmc_exec_command(sdmmc_chipset_handle_t sch, struct sdmmc_command *cmd)
{
struct awin_mmc_softc *sc = sch;
- uint32_t cmdval = __BIT(31);
+ uint32_t cmdval = AWIN_MMC_CMD_START;
uint32_t status;
int retry;
@@ -434,20 +437,20 @@
#endif
if (cmd->c_opcode == 0)
- cmdval |= __BIT(15);
+ cmdval |= AWIN_MMC_CMD_SEND_INIT_SEQ;
if (cmd->c_flags & SCF_RSP_PRESENT)
- cmdval |= __BIT(6);
+ cmdval |= AWIN_MMC_CMD_RSP_EXP;
if (cmd->c_flags & SCF_RSP_136)
- cmdval |= __BIT(7);
+ cmdval |= AWIN_MMC_CMD_LONG_RSP;
if (cmd->c_flags & SCF_RSP_CRC)
- cmdval |= __BIT(8);
+ cmdval |= AWIN_MMC_CMD_CHECK_RSP_CRC;
if (cmd->c_datalen > 0) {
unsigned int nblks;
- cmdval |= __BIT(9) | __BIT(13);
+ cmdval |= AWIN_MMC_CMD_DATA_EXP | AWIN_MMC_CMD_WAIT_PRE_OVER;
if (!ISSET(cmd->c_flags, SCF_CMD_READ)) {
- cmdval |= __BIT(10);
+ cmdval |= AWIN_MMC_CMD_WRITE;
}
nblks = cmd->c_datalen / cmd->c_blklen;
@@ -455,7 +458,7 @@
++nblks;
if (nblks > 1) {
- cmdval |= __BIT(12);
+ cmdval |= AWIN_MMC_CMD_SEND_AUTO_STOP;
}
MMC_WRITE(sc, AWIN_MMC_BLKSZ, cmd->c_blklen);
@@ -471,7 +474,7 @@
MMC_WRITE(sc, AWIN_MMC_CMD, cmdval | cmd->c_opcode);
} else {
MMC_WRITE(sc, AWIN_MMC_GCTRL,
- MMC_READ(sc, AWIN_MMC_GCTRL) | __BIT(31));
+ MMC_READ(sc, AWIN_MMC_GCTRL) | AWIN_MMC_GCTRL_ACCESS_BY_AHB);
MMC_WRITE(sc, AWIN_MMC_CMD, cmdval | cmd->c_opcode);
cmd->c_resid = cmd->c_datalen;
cmd->c_buf = cmd->c_data;
@@ -513,14 +516,14 @@
while (--retry > 0) {
uint32_t done;
status = MMC_READ(sc, AWIN_MMC_RINT);
- if (status & 0xbfc2) {
+ if (status & AWIN_MMC_INT_ERROR) {
retry = 0;
break;
}
if (cmd->c_blklen < cmd->c_datalen)
- done = status & __BIT(14);
+ done = status & AWIN_MMC_INT_AUTO_CMD_DONE;
else
- done = status & __BIT(3);
+ done = status & AWIN_MMC_INT_DATA_OVER;
if (done)
break;
delay(10);
@@ -539,7 +542,7 @@
retry = 0xfffff;
while (--retry > 0) {
status = MMC_READ(sc, AWIN_MMC_STATUS);
- if (status & __BIT(9))
+ if (status & AWIN_MMC_STATUS_CARD_DATA_BUSY)
break;
}
if (retry == 0) {
@@ -576,11 +579,12 @@
cmd->c_flags |= SCF_ITSDONE;
if (cmd->c_error) {
- MMC_WRITE(sc, AWIN_MMC_GCTRL, __BITS(2,0));
+ MMC_WRITE(sc, AWIN_MMC_GCTRL, AWIN_MMC_GCTRL_RESET);
awin_mmc_update_clock(sc);
}
- MMC_WRITE(sc, AWIN_MMC_RINT, __BITS(31,0));
- MMC_WRITE(sc, AWIN_MMC_GCTRL, MMC_READ(sc, AWIN_MMC_GCTRL) | __BIT(1));
+ MMC_WRITE(sc, AWIN_MMC_RINT, 0xffffffff);
+ MMC_WRITE(sc, AWIN_MMC_GCTRL,
+ MMC_READ(sc, AWIN_MMC_GCTRL) | AWIN_MMC_GCTRL_FIFORESET);
}
static void
diff -r df5da5c05c2d -r 498f770c9189 sys/arch/arm/allwinner/awin_reg.h
--- a/sys/arch/arm/allwinner/awin_reg.h Sun Sep 07 15:28:24 2014 +0000
+++ b/sys/arch/arm/allwinner/awin_reg.h Sun Sep 07 15:38:06 2014 +0000
@@ -620,6 +620,105 @@
#define AWIN_MMC_CBDA 0x0094
#define AWIN_MMC_FIFO 0x0100
+#define AWIN_MMC_GCTRL_ACCESS_BY_AHB __BIT(31)
+#define AWIN_MMC_GCTRL_WAIT_MEM_ACCESS_DONE __BIT(30)
+#define AWIN_MMC_GCTRL_DDR_MODE __BIT(10)
+#define AWIN_MMC_GCTRL_DEBOUNCEEN __BIT(8)
+#define AWIN_MMC_GCTRL_DMAEN __BIT(5)
+#define AWIN_MMC_GCTRL_INTEN __BIT(4)
+#define AWIN_MMC_GCTRL_DMARESET __BIT(2)
+#define AWIN_MMC_GCTRL_FIFORESET __BIT(1)
+#define AWIN_MMC_GCTRL_SOFTRESET __BIT(0)
+#define AWIN_MMC_GCTRL_RESET \
+ (AWIN_MMC_GCTRL_SOFTRESET | AWIN_MMC_GCTRL_FIFORESET | \
+ AWIN_MMC_GCTRL_DMARESET)
+
+#define AWIN_MMC_CLKCR_LOWPOWERON __BIT(17)
+#define AWIN_MMC_CLKCR_CARDCLKON __BIT(16)
+#define AWIN_MMC_CLKCR_DIV __BITS(15,0)
+
+#define AWIN_MMC_WIDTH_1 0
+#define AWIN_MMC_WIDTH_4 1
+#define AWIN_MMC_WIDTH_8 2
+
+#define AWIN_MMC_CMD_START __BIT(31)
+#define AWIN_MMC_CMD_USE_HOLD_REG __BIT(29)
+#define AWIN_MMC_CMD_VOL_SWITCH __BIT(28)
+#define AWIN_MMC_CMD_BOOT_ABORT __BIT(27)
+#define AWIN_MMC_CMD_BOOT_ACK_EXP __BIT(26)
+#define AWIN_MMC_CMD_ALT_BOOT_OPT __BIT(25)
+#define AWIN_MMC_CMD_ENBOOT __BIT(24)
+#define AWIN_MMC_CMD_CCS_EXP __BIT(23)
+#define AWIN_MMC_CMD_RD_CEATA_DEV __BIT(22)
+#define AWIN_MMC_CMD_UPCLK_ONLY __BIT(21)
+#define AWIN_MMC_CMD_SEND_INIT_SEQ __BIT(15)
+#define AWIN_MMC_CMD_STOP_ABORT_CMD __BIT(14)
+#define AWIN_MMC_CMD_WAIT_PRE_OVER __BIT(13)
+#define AWIN_MMC_CMD_SEND_AUTO_STOP __BIT(12)
+#define AWIN_MMC_CMD_SEQMOD __BIT(11)
+#define AWIN_MMC_CMD_WRITE __BIT(10)
+#define AWIN_MMC_CMD_DATA_EXP __BIT(9)
+#define AWIN_MMC_CMD_CHECK_RSP_CRC __BIT(8)
+#define AWIN_MMC_CMD_LONG_RSP __BIT(7)
+#define AWIN_MMC_CMD_RSP_EXP __BIT(6)
+
+#define AWIN_MMC_INT_CARD_REMOVE __BIT(31)
+#define AWIN_MMC_INT_CARD_INSERT __BIT(30)
+#define AWIN_MMC_INT_SDIO_INT __BIT(16)
+#define AWIN_MMC_INT_END_BIT_ERR __BIT(15)
+#define AWIN_MMC_INT_AUTO_CMD_DONE __BIT(14)
+#define AWIN_MMC_INT_START_BIT_ERR __BIT(13)
+#define AWIN_MMC_INT_HW_LOCKED __BIT(12)
+#define AWIN_MMC_INT_FIFO_RUN_ERR __BIT(11)
+#define AWIN_MMC_INT_VOL_CHG_DONE __BIT(10)
+#define AWIN_MMC_INT_DATA_STARVE __BIT(10)
+#define AWIN_MMC_INT_BOOT_START __BIT(9)
+#define AWIN_MMC_INT_DATA_TIMEOUT __BIT(9)
+#define AWIN_MMC_INT_ACK_RCV __BIT(8)
+#define AWIN_MMC_INT_RESP_TIMEOUT __BIT(8)
+#define AWIN_MMC_INT_DATA_CRC_ERR __BIT(7)
+#define AWIN_MMC_INT_RESP_CRC_ERR __BIT(6)
+#define AWIN_MMC_INT_RX_DATA_REQ __BIT(5)
+#define AWIN_MMC_INT_TX_DATA_REQ __BIT(4)
+#define AWIN_MMC_INT_DATA_OVER __BIT(3)
+#define AWIN_MMC_INT_CMD_DONE __BIT(2)
+#define AWIN_MMC_INT_RESP_ERR __BIT(1)
+#define AWIN_MMC_INT_ERROR \
+ (AWIN_MMC_INT_RESP_ERR | AWIN_MMC_INT_RESP_CRC_ERR | \
+ AWIN_MMC_INT_DATA_CRC_ERR | AWIN_MMC_INT_RESP_TIMEOUT | \
+ AWIN_MMC_INT_FIFO_RUN_ERR | AWIN_MMC_INT_HW_LOCKED | \
+ AWIN_MMC_INT_START_BIT_ERR | AWIN_MMC_INT_END_BIT_ERR)
+
+#define AWIN_MMC_STATUS_DMAREQ __BIT(31)
+#define AWIN_MMC_STATUS_DATA_FSM_BUSY __BIT(10)
+#define AWIN_MMC_STATUS_CARD_DATA_BUSY __BIT(9)
+#define AWIN_MMC_STATUS_CARD_PRESENT __BIT(8)
+#define AWIN_MMC_STATUS_FIFO_FULL __BIT(3)
+#define AWIN_MMC_STATUS_FIFO_EMPTY __BIT(2)
+#define AWIN_MMC_STATUS_TXWL_FLAG __BIT(1)
+#define AWIN_MMC_STATUS_RXWL_FLAG __BIT(0)
+
+#define AWIN_MMC_FUNCSEL_CEATA_DEV_INTEN __BIT(10)
+#define AWIN_MMC_FUNCSEL_SEND_AUTO_STOP_CCSD __BIT(9)
+#define AWIN_MMC_FUNCSEL_SEND_CCSD __BIT(8)
+#define AWIN_MMC_FUNCSEL_ABT_RD_DATA __BIT(2)
+#define AWIN_MMC_FUNCSEL_SDIO_RD_WAIT __BIT(1)
+#define AWIN_MMC_FUNCSEL_SEND_IRQ_RSP __BIT(0)
+
+#define AWIN_MMC_DMAC_REFETCH_DES __BIT(31)
+#define AWIN_MMC_DMAC_IDMA_ON __BIT(7)
+#define AWIN_MMC_DMAC_FIX_BURST __BIT(1)
+#define AWIN_MMC_DMAC_SOFTRESET __BIT(0)
+
+#define AWIN_MMC_IDST_HOST_ABT __BIT(10)
+#define AWIN_MMC_IDST_ABNORMAL_INT_SUM __BIT(9)
+#define AWIN_MMC_IDST_NORMAL_INT_SUM __BIT(8)
+#define AWIN_MMC_IDST_CARD_ERR_SUM __BIT(5)
+#define AWIN_MMC_IDST_DES_INVALID __BIT(4)
+#define AWIN_MMC_IDST_FATAL_BUS_ERR __BIT(2)
+#define AWIN_MMC_IDST_RECEIVE_INT __BIT(1)
+#define AWIN_MMC_IDST_TRANSMIT_INT __BIT(0)
+
#define AWIN_CPUCFG_CPU0_RST_CTRL_REG 0x0040
#define AWIN_CPUCFG_CPU0_CTRL_REG 0x0044
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