[U-Boot] [PATCH] mmc: dw_mmc: remove the exynos specific code in dw-mmc.c

Jaehoon Chung
2013-11-29T11:08:57Z

dw-mmc.c is the general driver file.
So, remove the exynos specific code at dw-mmc.c.
Instead, exynos specific cod can be move into exynos-dw_mmc.c.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---
drivers/mmc/dw_mmc.c | 12 ++----------
drivers/mmc/exynos_dw_mmc.c | 14 ++++++++++++++
include/dwmmc.h | 1 +
3 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 1e0f72b..38f50ce 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -11,7 +11,6 @@
#include <mmc.h>
#include <dwmmc.h>
#include <asm-generic/errno.h>
-#include <asm/arch/dwmmc.h>

#define PAGE_SIZE 4096

@@ -302,15 +301,8 @@ static int dwmci_init(struct mmc *mmc)
struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
u32 fifo_size;

- if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) {
- dwmci_writel(host, EMMCP_MPSBEGIN0, 0);
- dwmci_writel(host, EMMCP_SEND0, 0);
- dwmci_writel(host, EMMCP_CTRL0,
- MPSCTRL_SECURE_READ_BIT |
- MPSCTRL_SECURE_WRITE_BIT |
- MPSCTRL_NON_SECURE_READ_BIT |
- MPSCTRL_NON_SECURE_WRITE_BIT | MPSCTRL_VALID);
- }
+ if (host->board_init)
+ host->board_init(host);

dwmci_writel(host, DWMCI_PWREN, 1);

diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
index a0f1511..b3e5c5e 100644
--- a/drivers/mmc/exynos_dw_mmc.c
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -34,6 +34,19 @@ unsigned int exynos_dwmci_get_clk(int dev_index)
return get_mmc_clk(dev_index);
}

+static void exynos_dwmci_board_init(struct dwmci_host *host)
+{
+ if (host->quirks & DWMCI_QUIRK_DISABLE_SMU) {
+ dwmci_writel(host, EMMCP_MPSBEGIN0, 0);
+ dwmci_writel(host, EMMCP_SEND0, 0);
+ dwmci_writel(host, EMMCP_CTRL0,
+ MPSCTRL_SECURE_READ_BIT |
+ MPSCTRL_SECURE_WRITE_BIT |
+ MPSCTRL_NON_SECURE_READ_BIT |
+ MPSCTRL_NON_SECURE_WRITE_BIT | MPSCTRL_VALID);
+ }
+}
+
/*
* This function adds the mmc channel to be registered with mmc core.
* index - mmc channel number.
@@ -65,6 +78,7 @@ int exynos_dwmci_add_port(int index, u32 regbase, int bus_width, u32 clksel)
#ifdef CONFIG_EXYNOS5420
host->quirks = DWMCI_QUIRK_DISABLE_SMU;
#endif
+ host->board_init = exynos_dwmci_board_init;

if (clksel) {
host->clksel_val = clksel;
diff --git a/include/dwmmc.h b/include/dwmmc.h
index 6c91143..a02dd67 100644
--- a/include/dwmmc.h
+++ b/include/dwmmc.h
@@ -141,6 +141,7 @@ struct dwmci_host {
struct mmc *mmc;

void (*clksel)(struct dwmci_host *host);
+ void (*board_init)(struct dwmci_host *host);
unsigned int (*get_mmc_clk)(int dev_index);
};

--
1.7.9.5