summaryrefslogtreecommitdiff
path: root/drivers/mmc/host
diff options
context:
space:
mode:
authorStephen Boyd <sboyd@codeaurora.org>2014-09-22 19:26:10 (GMT)
committerUlf Hansson <ulf.hansson@linaro.org>2014-09-23 07:13:19 (GMT)
commit48d11e067fc90ec9fc9c8f7ab982e5a83bf1887b (patch)
tree0b2bae0f917e4d02c1ff4f29c1d5e25446870da9 /drivers/mmc/host
parentffed1b94cbf869e81de0525608193f367db2ba36 (diff)
downloadlinux-48d11e067fc90ec9fc9c8f7ab982e5a83bf1887b.tar.xz
mmc: Consolidate emmc tuning blocks
The same tuning block exists in the dw_mmc h.c and sdhci-msm.c files. Move these into mmc.c so that they can be shared across drivers. Reported-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/dw_mmc.c30
-rw-r--r--drivers/mmc/host/sdhci-msm.c38
2 files changed, 4 insertions, 64 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 109fefe..69f0cc6 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -82,36 +82,6 @@ struct idmac_desc {
};
#endif /* CONFIG_MMC_DW_IDMAC */
-static const u8 tuning_blk_pattern_4bit[] = {
- 0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc,
- 0xc3, 0x3c, 0xcc, 0xff, 0xfe, 0xff, 0xfe, 0xef,
- 0xff, 0xdf, 0xff, 0xdd, 0xff, 0xfb, 0xff, 0xfb,
- 0xbf, 0xff, 0x7f, 0xff, 0x77, 0xf7, 0xbd, 0xef,
- 0xff, 0xf0, 0xff, 0xf0, 0x0f, 0xfc, 0xcc, 0x3c,
- 0xcc, 0x33, 0xcc, 0xcf, 0xff, 0xef, 0xff, 0xee,
- 0xff, 0xfd, 0xff, 0xfd, 0xdf, 0xff, 0xbf, 0xff,
- 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde,
-};
-
-static const u8 tuning_blk_pattern_8bit[] = {
- 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00,
- 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc, 0xcc,
- 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff, 0xff,
- 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee, 0xff,
- 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd, 0xdd,
- 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, 0xbb,
- 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, 0xff,
- 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee, 0xff,
- 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
- 0x00, 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc,
- 0xcc, 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff,
- 0xff, 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee,
- 0xff, 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd,
- 0xdd, 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff,
- 0xbb, 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff,
- 0xff, 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee,
-};
-
static bool dw_mci_reset(struct dw_mci *host);
#if defined(CONFIG_DEBUG_FS)
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 19539c61..3080438 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -46,36 +46,6 @@
#define CMUX_SHIFT_PHASE_SHIFT 24
#define CMUX_SHIFT_PHASE_MASK (7 << CMUX_SHIFT_PHASE_SHIFT)
-static const u8 tuning_block_64[] = {
- 0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc,
- 0xc3, 0x3c, 0xcc, 0xff, 0xfe, 0xff, 0xfe, 0xef,
- 0xff, 0xdf, 0xff, 0xdd, 0xff, 0xfb, 0xff, 0xfb,
- 0xbf, 0xff, 0x7f, 0xff, 0x77, 0xf7, 0xbd, 0xef,
- 0xff, 0xf0, 0xff, 0xf0, 0x0f, 0xfc, 0xcc, 0x3c,
- 0xcc, 0x33, 0xcc, 0xcf, 0xff, 0xef, 0xff, 0xee,
- 0xff, 0xfd, 0xff, 0xfd, 0xdf, 0xff, 0xbf, 0xff,
- 0xbb, 0xff, 0xf7, 0xff, 0xf7, 0x7f, 0x7b, 0xde,
-};
-
-static const u8 tuning_block_128[] = {
- 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00, 0x00,
- 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc, 0xcc,
- 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff, 0xff,
- 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee, 0xff,
- 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd, 0xdd,
- 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff, 0xbb,
- 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff, 0xff,
- 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee, 0xff,
- 0xff, 0xff, 0xff, 0x00, 0xff, 0xff, 0xff, 0x00,
- 0x00, 0xff, 0xff, 0xcc, 0xcc, 0xcc, 0x33, 0xcc,
- 0xcc, 0xcc, 0x33, 0x33, 0xcc, 0xcc, 0xcc, 0xff,
- 0xff, 0xff, 0xee, 0xff, 0xff, 0xff, 0xee, 0xee,
- 0xff, 0xff, 0xff, 0xdd, 0xff, 0xff, 0xff, 0xdd,
- 0xdd, 0xff, 0xff, 0xff, 0xbb, 0xff, 0xff, 0xff,
- 0xbb, 0xbb, 0xff, 0xff, 0xff, 0x77, 0xff, 0xff,
- 0xff, 0x77, 0x77, 0xff, 0x77, 0xbb, 0xdd, 0xee,
-};
-
struct sdhci_msm_host {
struct platform_device *pdev;
void __iomem *core_mem; /* MSM SDCC mapped address */
@@ -370,8 +340,8 @@ static int sdhci_msm_execute_tuning(struct sdhci_host *host, u32 opcode)
{
int tuning_seq_cnt = 3;
u8 phase, *data_buf, tuned_phases[16], tuned_phase_cnt = 0;
- const u8 *tuning_block_pattern = tuning_block_64;
- int size = sizeof(tuning_block_64); /* Pattern size in bytes */
+ const u8 *tuning_block_pattern = tuning_blk_pattern_4bit;
+ int size = sizeof(tuning_blk_pattern_4bit);
int rc;
struct mmc_host *mmc = host->mmc;
struct mmc_ios ios = host->mmc->ios;
@@ -387,8 +357,8 @@ static int sdhci_msm_execute_tuning(struct sdhci_host *host, u32 opcode)
if ((opcode == MMC_SEND_TUNING_BLOCK_HS200) &&
(mmc->ios.bus_width == MMC_BUS_WIDTH_8)) {
- tuning_block_pattern = tuning_block_128;
- size = sizeof(tuning_block_128);
+ tuning_block_pattern = tuning_blk_pattern_8bit;
+ size = sizeof(tuning_blk_pattern_8bit);
}
data_buf = kmalloc(size, GFP_KERNEL);