[U-Boot] [PATCH 2/4] PXA: PXAMMC: Add Monahans support
Marek Vasut
marek.vasut at gmail.com
Thu Apr 29 20:27:24 CEST 2010
This patch enables PXAMCI support on PXA3xx CPUs. This patch only enables MMC1
though, MMC2 and PXA31x MMC3 will need further patch to be operational.
Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
---
drivers/mmc/pxa_mmc.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/pxa_mmc.c b/drivers/mmc/pxa_mmc.c
index b155541..8776903 100644
--- a/drivers/mmc/pxa_mmc.c
+++ b/drivers/mmc/pxa_mmc.c
@@ -126,7 +126,7 @@ mmc_block_read(uchar * dst, ulong src, ulong len)
MMC_I_MASK = ~MMC_I_MASK_RXFIFO_RD_REQ;
while (len) {
if (MMC_I_REG & MMC_I_REG_RXFIFO_RD_REQ) {
-#ifdef CONFIG_PXA27X
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
int i;
for (i = min(len, 32); i; i--) {
*dst++ = *((volatile uchar *)&MMC_RXFIFO);
@@ -558,8 +558,11 @@ mmc_legacy_init(int verbose)
set_GPIO_mode(GPIO6_MMCCLK_MD);
set_GPIO_mode(GPIO8_MMCCS0_MD);
#endif
+#ifdef CONFIG_CPU_MONAHANS /* pxa3xx */
+ CKENA |= CKENA_12_MMC0 | CKENA_13_MMC1;
+#else /* pxa2xx */
CKEN |= CKEN12_MMC; /* enable MMC unit clock */
-
+#endif
MMC_CLKRT = MMC_CLKRT_0_3125MHZ;
MMC_RESTO = MMC_RES_TO_MAX;
MMC_SPI = MMC_SPI_DISABLE;
@@ -624,7 +627,7 @@ mmc_legacy_init(int verbose)
MMC_CLKRT = 0; /* 20 MHz */
resp = mmc_cmd(MMC_CMD_SELECT_CARD, rca, 0, MMC_CMDAT_R1);
-#ifdef CONFIG_PXA27X
+#if defined(CONFIG_PXA27X) || defined(CONFIG_CPU_MONAHANS)
if (IF_TYPE_SD == mmc_dev.if_type) {
resp = mmc_cmd(MMC_CMD_APP_CMD, rca, 0, MMC_CMDAT_R1);
resp = mmc_cmd(SD_CMD_APP_SET_BUS_WIDTH, 0, 2, MMC_CMDAT_R1);
--
1.7.0
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