41f7be3c78
Fix below compilation warings happening for hikey_defconfig
drivers/mmc/dw_mmc.c: In function ‘dwmci_set_idma_desc’:
drivers/mmc/dw_mmc.c:43:20: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
desc->next_addr = (unsigned int)desc + sizeof(struct dwmci_idmac);
^
drivers/mmc/dw_mmc.c: In function ‘dwmci_prepare_data’:
drivers/mmc/dw_mmc.c:61:35: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
dwmci_writel(host, DWMCI_DBADDR, (unsigned int)cur_idmac);
^
drivers/mmc/dw_mmc.c:73:9: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
(u32)bounce_buffer + (i * PAGE_SIZE));
^
CC drivers/mmc/hi6220_dw_mmc.o
drivers/mmc/hi6220_dw_mmc.c: In function ‘hi6220_dwmci_add_port’:
drivers/mmc/hi6220_dw_mmc.c:51:17: warning: cast to pointer from integer
of different size [-Wint-to-pointer-cast]
host->ioaddr = (void *)regbase;
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
|
|
* (C) Copyright 2015 Linaro
|
|
* peter.griffin <peter.griffin@linaro.org>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dwmmc.h>
|
|
#include <malloc.h>
|
|
#include <asm-generic/errno.h>
|
|
|
|
#define DWMMC_MAX_CH_NUM 4
|
|
|
|
#define DWMMC_MAX_FREQ 50000000
|
|
#define DWMMC_MIN_FREQ 400000
|
|
|
|
/* Source clock is configured to 100MHz by ATF bl1*/
|
|
#define MMC0_DEFAULT_FREQ 100000000
|
|
|
|
static int hi6220_dwmci_core_init(struct dwmci_host *host, int index)
|
|
{
|
|
host->name = "HiKey DWMMC";
|
|
|
|
host->dev_index = index;
|
|
|
|
/* Add the mmc channel to be registered with mmc core */
|
|
if (add_dwmci(host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ)) {
|
|
printf("DWMMC%d registration failed\n", index);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* This function adds the mmc channel to be registered with mmc core.
|
|
* index - mmc channel number.
|
|
* regbase - register base address of mmc channel specified in 'index'.
|
|
* bus_width - operating bus width of mmc channel specified in 'index'.
|
|
*/
|
|
int hi6220_dwmci_add_port(int index, u32 regbase, int bus_width)
|
|
{
|
|
struct dwmci_host *host = NULL;
|
|
|
|
host = calloc(1, sizeof(struct dwmci_host));
|
|
if (!host) {
|
|
error("dwmci_host calloc failed!\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
host->ioaddr = (void *)(ulong)regbase;
|
|
host->buswidth = bus_width;
|
|
host->bus_hz = MMC0_DEFAULT_FREQ;
|
|
|
|
return hi6220_dwmci_core_init(host, index);
|
|
}
|