4  * Loosely based on the old code and Linux's PXA MMC driver
11 #include <asm/arch/regs-mmc.h>
15 #include <mmc.h>
35 #error "This CPU isn't supported by PXA MMC!"
51 static int pxa_mmc_wait(struct mmc *mmc, uint32_t mask)  in pxa_mmc_wait()  argument
53 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_wait()
70 static int pxa_mmc_stop_clock(struct mmc *mmc)  in pxa_mmc_stop_clock()  argument
72 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_stop_clock()
98 static int pxa_mmc_start_cmd(struct mmc *mmc, struct mmc_cmd *cmd,  in pxa_mmc_start_cmd()  argument
101 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_start_cmd()
134 	ret = pxa_mmc_wait(mmc, MMC_STAT_CLK_EN);  in pxa_mmc_start_cmd()
142 static int pxa_mmc_cmd_done(struct mmc *mmc, struct mmc_cmd *cmd)  in pxa_mmc_cmd_done()  argument
144 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_cmd_done()
184 static int pxa_mmc_do_read_xfer(struct mmc *mmc, struct mmc_data *data)  in pxa_mmc_do_read_xfer()  argument
186 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_do_read_xfer()
213 	ret = pxa_mmc_wait(mmc, MMC_STAT_DATA_TRAN_DONE);  in pxa_mmc_do_read_xfer()
220 static int pxa_mmc_do_write_xfer(struct mmc *mmc, struct mmc_data *data)  in pxa_mmc_do_write_xfer()  argument
222 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_do_write_xfer()
250 	ret = pxa_mmc_wait(mmc, MMC_STAT_DATA_TRAN_DONE);  in pxa_mmc_do_write_xfer()
255 	ret = pxa_mmc_wait(mmc, MMC_STAT_PRG_DONE);  in pxa_mmc_do_write_xfer()
262 static int pxa_mmc_request(struct mmc *mmc, struct mmc_cmd *cmd,  in pxa_mmc_request()  argument
265 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_request()
271 	ret = pxa_mmc_stop_clock(mmc);  in pxa_mmc_request()
287 	if (mmc->bus_width == 4)  in pxa_mmc_request()
291 	ret = pxa_mmc_start_cmd(mmc, cmd, cmdat);  in pxa_mmc_request()
296 	ret = pxa_mmc_wait(mmc, MMC_STAT_END_CMD_RES);  in pxa_mmc_request()
301 	ret = pxa_mmc_cmd_done(mmc, cmd);  in pxa_mmc_request()
308 			pxa_mmc_do_write_xfer(mmc, data);  in pxa_mmc_request()
310 			pxa_mmc_do_read_xfer(mmc, data);  in pxa_mmc_request()
316 static int pxa_mmc_set_ios(struct mmc *mmc)  in pxa_mmc_set_ios()  argument
318 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_set_ios()
323 	if (!mmc->clock) {  in pxa_mmc_set_ios()
324 		pxa_mmc_stop_clock(mmc);  in pxa_mmc_set_ios()
329 	if (mmc->clock == 26000000) {  in pxa_mmc_set_ios()
336 	tmp = mmc->cfg->f_max / mmc->clock;  in pxa_mmc_set_ios()
349 static int pxa_mmc_init(struct mmc *mmc)  in pxa_mmc_init()  argument
351 	struct pxa_mmc_priv *priv = mmc->priv;  in pxa_mmc_init()
355 	pxa_mmc_stop_clock(mmc);  in pxa_mmc_init()
376 	.name		= "PXA MMC",
387 	struct mmc *mmc;  in pxa_mmc_register()  local
407 		printf("PXA MMC: Invalid MMC controller ID (card_index = %d)\n",  in pxa_mmc_register()
422 	mmc = mmc_create(&pxa_mmc_cfg, priv);  in pxa_mmc_register()
423 	if (mmc == NULL)  in pxa_mmc_register()