On Wed, Jul 10, 2013 at 6:25 AM, Sourav Poddar <sourav.pod...@ti.com> wrote:
> From: Matt Porter <mpor...@ti.com>
>
> Add QSPI definitions and clock configuration support.
>
OMAP54xx does not have QSPI. DRA7 has QSPI?
> Signed-off-by: Matt Porter <mpor...@ti.com>
> Signed-off-by: Sourav Poddar <sourav.pod...@ti.com>
> ---
> arch/arm/cpu/armv7/omap5/hw_data.c | 7 ++++++-
> arch/arm/cpu/armv7/omap5/prcm-regs.c | 1 +
> arch/arm/include/asm/arch-omap5/omap.h | 3 +++
> arch/arm/include/asm/arch-omap5/spl.h | 1 +
> arch/arm/include/asm/omap_common.h | 1 +
> 5 files changed, 12 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c
> b/arch/arm/cpu/armv7/omap5/hw_data.c
> index 9374c6a..046ce44 100644
> --- a/arch/arm/cpu/armv7/omap5/hw_data.c
> +++ b/arch/arm/cpu/armv7/omap5/hw_data.c
> @@ -186,7 +186,7 @@ static const struct dpll_params
> per_dpll_params_768mhz_es2[NUM_SYS_CLKS] = {
>
> static const struct dpll_params per_dpll_params_768mhz_dra7xx[NUM_SYS_CLKS]
> = {
> {32, 0, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 12 MHz */
> - {96, 4, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 20 MHz */
> + {96, 4, 4, 1, 3, 4, 4, 2, -1, -1, -1, -1}, /* 20 MHz */
is this a separate fix?
> {160, 6, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 16.8 MHz */
> {20, 0, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 19.2 MHz */
> {192, 12, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 26 MHz */
> @@ -423,6 +423,7 @@ void enable_basic_clocks(void)
> (*prcm)->cm_wkup_wdtimer2_clkctrl,
> (*prcm)->cm_l4per_uart3_clkctrl,
> (*prcm)->cm_l4per_i2c1_clkctrl,
> + (*prcm)->cm_l4per_qspi_clkctrl,
> 0
> };
>
> @@ -451,6 +452,10 @@ void enable_basic_clocks(void)
> clk_modules_explicit_en_essential,
> 1);
>
> +#ifdef CONFIG_TI_QSPI
> + setbits_le32((*prcm)->cm_l4per_qspi_clkctrl, (1<<24));
> +#endif
> +
> /* Enable SCRM OPT clocks for PER and CORE dpll */
> setbits_le32((*prcm)->cm_wkupaon_scrm_clkctrl,
> OPTFCLKEN_SCRM_PER_MASK);
> diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c
> b/arch/arm/cpu/armv7/omap5/prcm-regs.c
> index 331117c..debc56b 100644
> --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c
> +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c
> @@ -926,6 +926,7 @@ struct prcm_regs const dra7xx_prcm = {
> .cm_l4per_gpio8_clkctrl = 0x4a009818,
> .cm_l4per_mmcsd3_clkctrl = 0x4a009820,
> .cm_l4per_mmcsd4_clkctrl = 0x4a009828,
> + .cm_l4per_qspi_clkctrl = 0x4a009838,
> .cm_l4per_uart1_clkctrl = 0x4a009840,
> .cm_l4per_uart2_clkctrl = 0x4a009848,
> .cm_l4per_uart3_clkctrl = 0x4a009850,
> diff --git a/arch/arm/include/asm/arch-omap5/omap.h
> b/arch/arm/include/asm/arch-omap5/omap.h
> index e7d79fc..d2c4930 100644
> --- a/arch/arm/include/asm/arch-omap5/omap.h
> +++ b/arch/arm/include/asm/arch-omap5/omap.h
> @@ -67,6 +67,9 @@
> /* GPMC */
> #define OMAP54XX_GPMC_BASE 0x50000000
>
> +/* QSPI */
> +#define QSPI_BASE 0x4B300000
> +
> /*
> * Hardware Register Details
> */
> diff --git a/arch/arm/include/asm/arch-omap5/spl.h
> b/arch/arm/include/asm/arch-omap5/spl.h
> index d4d353c..8905cb8 100644
> --- a/arch/arm/include/asm/arch-omap5/spl.h
> +++ b/arch/arm/include/asm/arch-omap5/spl.h
> @@ -31,6 +31,7 @@
> #define BOOT_DEVICE_MMC1 5
> #define BOOT_DEVICE_MMC2 6
> #define BOOT_DEVICE_MMC2_2 7
> +#define BOOT_DEVICE_SPI 10
why not 8?
>
> #define MMC_BOOT_DEVICES_START BOOT_DEVICE_MMC1
> #define MMC_BOOT_DEVICES_END BOOT_DEVICE_MMC2_2
> diff --git a/arch/arm/include/asm/omap_common.h
> b/arch/arm/include/asm/omap_common.h
> index fa28358..c8d4619 100644
> --- a/arch/arm/include/asm/omap_common.h
> +++ b/arch/arm/include/asm/omap_common.h
> @@ -279,6 +279,7 @@ struct prcm_regs {
> u32 cm_l4per_mmcsd4_clkctrl;
> u32 cm_l4per_msprohg_clkctrl;
> u32 cm_l4per_slimbus2_clkctrl;
> + u32 cm_l4per_qspi_clkctrl;
> u32 cm_l4per_uart1_clkctrl;
> u32 cm_l4per_uart2_clkctrl;
> u32 cm_l4per_uart3_clkctrl;
> --
> 1.7.1
>
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