On mxc, each SDHC instance has a dedicated clock, so gd->sdhc_clk is not suitable for the multi-instance use case (initialization made directly with fsl_esdhc_initialize()).
This patch fixes this issue by adding a configuration field for the SDHC input clock frequency.
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@advansee.com Cc: Stefano Babic sbabic@denx.de Cc: Eric Bénard eric@eukrea.com Cc: Otavio Salvador otavio@ossystems.com.br Cc: Fabio Estevam fabio.estevam@freescale.com Cc: Jason Liu r64343@freescale.com Cc: Matt Sealey matt@genesi-usa.com Cc: Andy Fleming afleming@gmail.com --- This patch should be applied after (series of series...): http://patchwork.ozlabs.org/patch/187467/ http://patchwork.ozlabs.org/patch/187468/ http://patchwork.ozlabs.org/patch/187475/
This patch supersedes http://patchwork.ozlabs.org/patch/187476/ .
Changes for v2: - Since this patch will go to /next, extend the original patch with the mxc boards newly added to this branch: mx6qsabreauto and mx6qsabresd.
.../board/esg/ima3-mx53/ima3-mx53.c | 1 + .../board/freescale/mx35pdk/mx35pdk.c | 2 ++ .../board/freescale/mx51evk/mx51evk.c | 4 ++++ .../board/freescale/mx53ard/mx53ard.c | 4 ++++ .../board/freescale/mx53evk/mx53evk.c | 4 ++++ .../board/freescale/mx53loco/mx53loco.c | 3 +++ .../board/freescale/mx53smd/mx53smd.c | 3 +++ .../board/freescale/mx6qarm2/mx6qarm2.c | 4 ++++ .../board/freescale/mx6qsabreauto/mx6qsabreauto.c | 1 + .../board/freescale/mx6qsabrelite/mx6qsabrelite.c | 3 +++ .../board/freescale/mx6qsabresd/mx6qsabresd.c | 1 + .../board/genesi/mx51_efikamx/efikamx.c | 4 ++++ .../board/ttcontrol/vision2/vision2.c | 2 ++ .../drivers/mmc/fsl_esdhc.c | 5 +++-- .../include/fsl_esdhc.h | 1 + 15 files changed, 40 insertions(+), 2 deletions(-)
diff --git u-boot-imx-next-5cddb49.orig/board/esg/ima3-mx53/ima3-mx53.c u-boot-imx-next-5cddb49/board/esg/ima3-mx53/ima3-mx53.c index e947330..41d6bb6 100644 --- u-boot-imx-next-5cddb49.orig/board/esg/ima3-mx53/ima3-mx53.c +++ u-boot-imx-next-5cddb49/board/esg/ima3-mx53/ima3-mx53.c @@ -217,6 +217,7 @@ int board_mmc_init(bd_t *bis) PAD_CTL_HYS_ENABLE | PAD_CTL_DRV_HIGH | PAD_CTL_PUE_PULL | PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE | PAD_CTL_47K_PU);
+ esdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); return fsl_esdhc_initialize(bis, &esdhc_cfg); } #endif diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx35pdk/mx35pdk.c u-boot-imx-next-5cddb49/board/freescale/mx35pdk/mx35pdk.c index 7cb6b30..a12531f 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx35pdk/mx35pdk.c +++ u-boot-imx-next-5cddb49/board/freescale/mx35pdk/mx35pdk.c @@ -27,6 +27,7 @@ #include <asm/errno.h> #include <asm/arch/imx-regs.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> #include <asm/arch/mx35_pins.h> #include <asm/arch/iomux.h> #include <i2c.h> @@ -292,6 +293,7 @@ int board_mmc_init(bd_t *bis) mxc_request_iomux(MX35_PIN_SD1_DATA2, MUX_CONFIG_FUNC); mxc_request_iomux(MX35_PIN_SD1_DATA3, MUX_CONFIG_FUNC);
+ esdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK); return fsl_esdhc_initialize(bis, &esdhc_cfg); }
diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx51evk/mx51evk.c u-boot-imx-next-5cddb49/board/freescale/mx51evk/mx51evk.c index a94701c..3412952 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx51evk/mx51evk.c +++ u-boot-imx-next-5cddb49/board/freescale/mx51evk/mx51evk.c @@ -29,6 +29,7 @@ #include <asm/errno.h> #include <asm/arch/sys_proto.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> #include <i2c.h> #include <mmc.h> #include <fsl_esdhc.h> @@ -358,6 +359,9 @@ int board_mmc_init(bd_t *bis) u32 index; s32 status = 0;
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { switch (index) { diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx53ard/mx53ard.c u-boot-imx-next-5cddb49/board/freescale/mx53ard/mx53ard.c index 08c7795..2fc8570 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx53ard/mx53ard.c +++ u-boot-imx-next-5cddb49/board/freescale/mx53ard/mx53ard.c @@ -26,6 +26,7 @@ #include <asm/arch/mx5x_pins.h> #include <asm/arch/sys_proto.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> #include <asm/arch/iomux.h> #include <asm/errno.h> #include <netdev.h> @@ -106,6 +107,9 @@ int board_mmc_init(bd_t *bis) u32 index; s32 status = 0;
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { switch (index) { case 0: diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx53evk/mx53evk.c u-boot-imx-next-5cddb49/board/freescale/mx53evk/mx53evk.c index b11a94c..bb4621d 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx53evk/mx53evk.c +++ u-boot-imx-next-5cddb49/board/freescale/mx53evk/mx53evk.c @@ -26,6 +26,7 @@ #include <asm/arch/mx5x_pins.h> #include <asm/arch/sys_proto.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> #include <asm/arch/iomux.h> #include <asm/errno.h> #include <asm/imx-common/boot_mode.h> @@ -232,6 +233,9 @@ int board_mmc_init(bd_t *bis) u32 index; s32 status = 0;
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { switch (index) { case 0: diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx53loco/mx53loco.c u-boot-imx-next-5cddb49/board/freescale/mx53loco/mx53loco.c index 6543209..20569a5 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx53loco/mx53loco.c +++ u-boot-imx-next-5cddb49/board/freescale/mx53loco/mx53loco.c @@ -192,6 +192,9 @@ int board_mmc_init(bd_t *bis) u32 index; s32 status = 0;
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { switch (index) { case 0: diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx53smd/mx53smd.c u-boot-imx-next-5cddb49/board/freescale/mx53smd/mx53smd.c index 7f35ddd..761f727 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx53smd/mx53smd.c +++ u-boot-imx-next-5cddb49/board/freescale/mx53smd/mx53smd.c @@ -26,6 +26,7 @@ #include <asm/arch/mx5x_pins.h> #include <asm/arch/sys_proto.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> #include <asm/arch/iomux.h> #include <asm/errno.h> #include <netdev.h> @@ -144,6 +145,8 @@ int board_mmc_init(bd_t *bis) u32 index; s32 status = 0;
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { switch (index) { case 0: diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx6qarm2/mx6qarm2.c u-boot-imx-next-5cddb49/board/freescale/mx6qarm2/mx6qarm2.c index d43b327..dad4b95 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx6qarm2/mx6qarm2.c +++ u-boot-imx-next-5cddb49/board/freescale/mx6qarm2/mx6qarm2.c @@ -24,6 +24,7 @@ #include <asm/io.h> #include <asm/arch/imx-regs.h> #include <asm/arch/mx6x_pins.h> +#include <asm/arch/clock.h> #include <asm/errno.h> #include <asm/gpio.h> #include <asm/imx-common/iomux-v3.h> @@ -139,6 +140,9 @@ int board_mmc_init(bd_t *bis) s32 status = 0; u32 index = 0;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx6qsabreauto/mx6qsabreauto.c u-boot-imx-next-5cddb49/board/freescale/mx6qsabreauto/mx6qsabreauto.c index 8913b21..1309fca 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ u-boot-imx-next-5cddb49/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -85,6 +85,7 @@ int board_mmc_init(bd_t *bis) { imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); } #endif diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx6qsabrelite/mx6qsabrelite.c u-boot-imx-next-5cddb49/board/freescale/mx6qsabrelite/mx6qsabrelite.c index d274d8c..23f1719 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx6qsabrelite/mx6qsabrelite.c +++ u-boot-imx-next-5cddb49/board/freescale/mx6qsabrelite/mx6qsabrelite.c @@ -269,6 +269,9 @@ int board_mmc_init(bd_t *bis) s32 status = 0; u32 index = 0;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: diff --git u-boot-imx-next-5cddb49.orig/board/freescale/mx6qsabresd/mx6qsabresd.c u-boot-imx-next-5cddb49/board/freescale/mx6qsabresd/mx6qsabresd.c index 03a6857..e02daa4 100644 --- u-boot-imx-next-5cddb49.orig/board/freescale/mx6qsabresd/mx6qsabresd.c +++ u-boot-imx-next-5cddb49/board/freescale/mx6qsabresd/mx6qsabresd.c @@ -120,6 +120,7 @@ int board_mmc_init(bd_t *bis) { imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); } #endif diff --git u-boot-imx-next-5cddb49.orig/board/genesi/mx51_efikamx/efikamx.c u-boot-imx-next-5cddb49/board/genesi/mx51_efikamx/efikamx.c index cfd2e93..e334c01 100644 --- u-boot-imx-next-5cddb49.orig/board/genesi/mx51_efikamx/efikamx.c +++ u-boot-imx-next-5cddb49/board/genesi/mx51_efikamx/efikamx.c @@ -29,6 +29,7 @@ #include <asm/errno.h> #include <asm/arch/sys_proto.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> #include <i2c.h> #include <mmc.h> #include <fsl_esdhc.h> @@ -349,6 +350,9 @@ int board_mmc_init(bd_t *bis) gpio_direction_input(EFIKASB_SDHC1_CD); }
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + ret = fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
if (machine_is_efikasb()) { diff --git u-boot-imx-next-5cddb49.orig/board/ttcontrol/vision2/vision2.c u-boot-imx-next-5cddb49/board/ttcontrol/vision2/vision2.c index f28eab0..ba3307b 100644 --- u-boot-imx-next-5cddb49.orig/board/ttcontrol/vision2/vision2.c +++ u-boot-imx-next-5cddb49/board/ttcontrol/vision2/vision2.c @@ -28,6 +28,7 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/mx5x_pins.h> #include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> #include <asm/arch/iomux.h> #include <asm/gpio.h> #include <asm/arch/sys_proto.h> @@ -590,6 +591,7 @@ int board_mmc_init(bd_t *bis) mxc_iomux_set_pad(MX51_PIN_GPIO1_1, PAD_CTL_HYS_ENABLE);
+ esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); return fsl_esdhc_initialize(bis, &esdhc_cfg[0]); } #endif diff --git u-boot-imx-next-5cddb49.orig/drivers/mmc/fsl_esdhc.c u-boot-imx-next-5cddb49/drivers/mmc/fsl_esdhc.c index 3f8d30d..aa6a9f1 100644 --- u-boot-imx-next-5cddb49.orig/drivers/mmc/fsl_esdhc.c +++ u-boot-imx-next-5cddb49/drivers/mmc/fsl_esdhc.c @@ -410,12 +410,12 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data) return 0; }
-void set_sysctl(struct mmc *mmc, uint clock) +static void set_sysctl(struct mmc *mmc, uint clock) { - int sdhc_clk = gd->sdhc_clk; int div, pre_div; struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; volatile struct fsl_esdhc *regs = (struct fsl_esdhc *)cfg->esdhc_base; + int sdhc_clk = cfg->sdhc_clk; uint clk;
if (clock < mmc->f_min) @@ -598,6 +598,7 @@ int fsl_esdhc_mmc_init(bd_t *bis) cfg = malloc(sizeof(struct fsl_esdhc_cfg)); memset(cfg, 0, sizeof(struct fsl_esdhc_cfg)); cfg->esdhc_base = CONFIG_SYS_FSL_ESDHC_ADDR; + cfg->sdhc_clk = gd->sdhc_clk; return fsl_esdhc_initialize(bis, cfg); }
diff --git u-boot-imx-next-5cddb49.orig/include/fsl_esdhc.h u-boot-imx-next-5cddb49/include/fsl_esdhc.h index 4e321e7..47d2fe4 100644 --- u-boot-imx-next-5cddb49.orig/include/fsl_esdhc.h +++ u-boot-imx-next-5cddb49/include/fsl_esdhc.h @@ -167,6 +167,7 @@
struct fsl_esdhc_cfg { u32 esdhc_base; + u32 sdhc_clk; };
/* Select the correct accessors depending on endianess */