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author | John Crispin <blogic@openwrt.org> | 2012-04-12 12:33:56 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2012-04-12 12:33:56 +0000 |
commit | 37a565ab654f3ce80f9514e1e625d3bd07739e86 (patch) | |
tree | d933bb536eb34a7b28b804d06d8dac93d585fd62 /target/linux/lantiq/patches-3.2/0072-MIPS-lantiq-fix-spi-for-ase-update-for-clkdev-and-pl.patch | |
parent | 4879e3f58a284e6afd51899140abd6df30ef8408 (diff) | |
download | upstream-37a565ab654f3ce80f9514e1e625d3bd07739e86.tar.gz upstream-37a565ab654f3ce80f9514e1e625d3bd07739e86.tar.bz2 upstream-37a565ab654f3ce80f9514e1e625d3bd07739e86.zip |
[lantiq] update 3.2 patches
sync with lantiq kernel series
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31260 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/lantiq/patches-3.2/0072-MIPS-lantiq-fix-spi-for-ase-update-for-clkdev-and-pl.patch')
-rw-r--r-- | target/linux/lantiq/patches-3.2/0072-MIPS-lantiq-fix-spi-for-ase-update-for-clkdev-and-pl.patch | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.2/0072-MIPS-lantiq-fix-spi-for-ase-update-for-clkdev-and-pl.patch b/target/linux/lantiq/patches-3.2/0072-MIPS-lantiq-fix-spi-for-ase-update-for-clkdev-and-pl.patch new file mode 100644 index 0000000000..3bf3c5feb7 --- /dev/null +++ b/target/linux/lantiq/patches-3.2/0072-MIPS-lantiq-fix-spi-for-ase-update-for-clkdev-and-pl.patch @@ -0,0 +1,197 @@ +From d1cd860adbd87c42c90db1c5658cf10ed1dbdd3e Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Thu, 12 Apr 2012 13:25:42 +0200 +Subject: [PATCH 72/73] MIPS: lantiq: fix spi for ase, update for clkdev and + platform driver + +irqs, gpios, chipselects +updated to use module_platform_driver() +clkdev is a bit hacky, using ltq_spi.0, as specifying no device numbering led to +the mtd driver not hooking up to an spi flash. + +Signed-off-by: Conor O'Gorman <i@conorogorman.net> +--- + .../mips/include/asm/mach-lantiq/xway/lantiq_irq.h | 4 ++ + arch/mips/lantiq/xway/sysctrl.c | 2 +- + drivers/spi/spi-xway.c | 58 ++++++++++---------- + 3 files changed, 35 insertions(+), 29 deletions(-) + +diff --git a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h +index d9c892b..d86acdd 100644 +--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h ++++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_irq.h +@@ -30,6 +30,10 @@ + #define LTQ_SSC_TIR_AR9 (INT_NUM_IM0_IRL0 + 14) + #define LTQ_SSC_RIR_AR9 (INT_NUM_IM0_IRL0 + 15) + #define LTQ_SSC_EIR (INT_NUM_IM0_IRL0 + 16) ++#define LTQ_SSC_RIR_ASE (INT_NUM_IM0_IRL0 + 16) ++#define LTQ_SSC_TIR_ASE (INT_NUM_IM0_IRL0 + 17) ++#define LTQ_SSC_EIR_ASE (INT_NUM_IM0_IRL0 + 18) ++#define LTQ_SSC_FIR_ASE (INT_NUM_IM0_IRL0 + 19) + + #define LTQ_MEI_DYING_GASP_INT (INT_NUM_IM1_IRL0 + 21) + #define LTQ_MEI_INT (INT_NUM_IM1_IRL0 + 23) +diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c +index 5807456..de4ce8f 100644 +--- a/arch/mips/lantiq/xway/sysctrl.c ++++ b/arch/mips/lantiq/xway/sysctrl.c +@@ -233,7 +233,7 @@ void __init ltq_soc_init(void) + clkdev_add_pmu("ltq_fpi", NULL, 0, PMU_FPI); + clkdev_add_pmu("ltq_dma", NULL, 0, PMU_DMA); + clkdev_add_pmu("ltq_stp", NULL, 0, PMU_STP); +- clkdev_add_pmu("ltq_spi", NULL, 0, PMU_SPI); ++ clkdev_add_pmu("ltq_spi.0", NULL, 0, PMU_SPI); + clkdev_add_pmu("ltq_gptu", NULL, 0, PMU_GPT); + clkdev_add_pmu("ltq_ebu", NULL, 0, PMU_EBU); + if (!ltq_is_vr9()) +diff --git a/drivers/spi/spi-xway.c b/drivers/spi/spi-xway.c +index 016a6d0..be5c25b 100644 +--- a/drivers/spi/spi-xway.c ++++ b/drivers/spi/spi-xway.c +@@ -143,9 +143,9 @@ + #define LTQ_SPI_IRNEN_ALL 0xF + + /* Hard-wired GPIOs used by SPI controller */ +-#define LTQ_SPI_GPIO_DI 16 +-#define LTQ_SPI_GPIO_DO 17 +-#define LTQ_SPI_GPIO_CLK 18 ++#define LTQ_SPI_GPIO_DI (ltq_is_ase()? 8 : 16) ++#define LTQ_SPI_GPIO_DO (ltq_is_ase()? 9 : 17) ++#define LTQ_SPI_GPIO_CLK (ltq_is_ase()? 10 : 18) + + struct ltq_spi { + struct spi_bitbang bitbang; +@@ -229,7 +229,7 @@ static void ltq_spi_hw_enable(struct ltq_spi *hw) + u32 clc; + + /* Power-up mdule */ +- clk_enable(hw->spiclk); ++ clk_enable(hw->spiclk); + + /* + * Set clock divider for run mode to 1 to +@@ -245,7 +245,7 @@ static void ltq_spi_hw_disable(struct ltq_spi *hw) + ltq_spi_reg_write(hw, LTQ_SPI_CLC_DISS, LTQ_SPI_CLC); + + /* Power-down mdule */ +- clk_disable(hw->spiclk); ++ clk_disable(hw->spiclk); + } + + static void ltq_spi_reset_fifos(struct ltq_spi *hw) +@@ -284,7 +284,7 @@ static inline int ltq_spi_wait_ready(struct ltq_spi *hw) + cond_resched(); + } while (!time_after_eq(jiffies, timeout)); + +- dev_err(hw->dev, "SPI wait ready timed out\n"); ++ dev_err(hw->dev, "SPI wait ready timed out stat: %x\n", stat); + + return -ETIMEDOUT; + } +@@ -556,6 +556,12 @@ static const struct ltq_spi_cs_gpio_map ltq_spi_cs[] = { + { 11, 3 }, + }; + ++static const struct ltq_spi_cs_gpio_map ltq_spi_cs_ase[] = { ++ { 7, 2 }, ++ { 15, 1 }, ++ { 14, 1 }, ++}; ++ + static int ltq_spi_setup(struct spi_device *spi) + { + struct ltq_spi *hw = ltq_spi_to_hw(spi); +@@ -600,8 +606,10 @@ static int ltq_spi_setup(struct spi_device *spi) + cstate->cs_activate = ltq_spi_gpio_cs_activate; + cstate->cs_deactivate = ltq_spi_gpio_cs_deactivate; + } else { +- ret = ltq_gpio_request(&spi->dev, ltq_spi_cs[spi->chip_select].gpio, +- ltq_spi_cs[spi->chip_select].mux, ++ struct ltq_spi_cs_gpio_map *cs_map = ++ ltq_is_ase() ? ltq_spi_cs_ase : ltq_spi_cs; ++ ret = ltq_gpio_request(&spi->dev, cs_map[spi->chip_select].gpio, ++ cs_map[spi->chip_select].mux, + 1, "spi-cs"); + if (ret) + return -EBUSY; +@@ -633,7 +641,8 @@ static void ltq_spi_cleanup(struct spi_device *spi) + if (cdata && cdata->gpio) + gpio = cdata->gpio; + else +- gpio = ltq_spi_cs[spi->chip_select].gpio; ++ gpio = ltq_is_ase() ? ltq_spi_cs_ase[spi->chip_select].gpio : ++ ltq_spi_cs[spi->chip_select].gpio; + + gpio_free(gpio); + kfree(cstate); +@@ -868,7 +877,8 @@ static const struct ltq_spi_irq_map ltq_spi_irqs[] = { + { "spi_err", ltq_spi_err_irq }, + }; + +-static int __init ltq_spi_probe(struct platform_device *pdev) ++static int __devinit ++ltq_spi_probe(struct platform_device *pdev) + { + struct spi_master *master; + struct resource *r; +@@ -910,14 +920,14 @@ static int __init ltq_spi_probe(struct platform_device *pdev) + + hw->fpiclk = clk_get_fpi(); + if (IS_ERR(hw->fpiclk)) { +- dev_err(&pdev->dev, "clk_get\n"); ++ dev_err(&pdev->dev, "fpi clk\n"); + ret = PTR_ERR(hw->fpiclk); + goto err_master; + } + + hw->spiclk = clk_get(&pdev->dev, NULL); + if (IS_ERR(hw->spiclk)) { +- dev_err(&pdev->dev, "clk_get\n"); ++ dev_err(&pdev->dev, "spi clk\n"); + ret = PTR_ERR(hw->spiclk); + goto err_master; + } +@@ -1014,7 +1024,8 @@ err: + return ret; + } + +-static int __exit ltq_spi_remove(struct platform_device *pdev) ++static int __devexit ++ltq_spi_remove(struct platform_device *pdev) + { + struct ltq_spi *hw = platform_get_drvdata(pdev); + int ret, i; +@@ -1043,24 +1054,15 @@ static int __exit ltq_spi_remove(struct platform_device *pdev) + } + + static struct platform_driver ltq_spi_driver = { ++ .probe = ltq_spi_probe, ++ .remove = __devexit_p(ltq_spi_remove), + .driver = { +- .name = "ltq_spi", +- .owner = THIS_MODULE, +- }, +- .remove = __exit_p(ltq_spi_remove), ++ .name = "ltq_spi", ++ .owner = THIS_MODULE, ++ }, + }; + +-static int __init ltq_spi_init(void) +-{ +- return platform_driver_probe(<q_spi_driver, ltq_spi_probe); +-} +-module_init(ltq_spi_init); +- +-static void __exit ltq_spi_exit(void) +-{ +- platform_driver_unregister(<q_spi_driver); +-} +-module_exit(ltq_spi_exit); ++module_platform_driver(ltq_spi_driver); + + MODULE_DESCRIPTION("Lantiq SoC SPI controller driver"); + MODULE_AUTHOR("Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>"); +-- +1.7.9.1 + |