bcm53xx: switch to the new/alternative SPI controller driver
This switches bcm53xx from spi-bcm53xx to the spi-bcm-qspi driver. The later one was developed by Broadcom and is more advanced one. It supports more modes, setting a speed, setting bits per word and uses IRQs instead of polling. This increases kernel size from 1808120 B to the 1811160 B (by 3040 B). Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki
parent
f172456edc
commit
ed00387dc5
3 changed files with 12 additions and 121 deletions
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@ -320,7 +320,8 @@ CONFIG_SMP=y
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CONFIG_SMP_ON_UP=y
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CONFIG_SPARSE_IRQ=y
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CONFIG_SPI=y
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CONFIG_SPI_BCM53XX=y
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# CONFIG_SPI_BCM53XX is not set
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CONFIG_SPI_BCM_QSPI=y
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CONFIG_SPI_BITBANG=y
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CONFIG_SPI_GPIO=y
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CONFIG_SPI_MASTER=y
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@ -1,110 +0,0 @@
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 29 Dec 2017 20:26:51 +0100
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Subject: [PATCH] Revert "ARM: dts: BCM5301X: convert to iProc QSPI"
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This reverts commit 1c8f4065072387d3b6ee7adcf0dbe3c7ba80c268.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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--- a/arch/arm/boot/dts/bcm5301x.dtsi
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+++ b/arch/arm/boot/dts/bcm5301x.dtsi
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@@ -337,6 +337,20 @@
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};
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};
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+ spi@29000 {
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+ reg = <0x00029000 0x1000>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ spi_nor: spi-nor@0 {
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+ compatible = "jedec,spi-nor";
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+ reg = <0>;
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+ spi-max-frequency = <20000000>;
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+ linux,part-probe = "ofpart", "bcm47xxpart";
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+ status = "disabled";
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+ };
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+ };
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+
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gmac0: ethernet@24000 {
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reg = <0x24000 0x800>;
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};
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@@ -425,42 +439,6 @@
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brcm,nand-has-wp;
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};
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- spi@18029200 {
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- compatible = "brcm,spi-bcm-qspi", "brcm,spi-nsp-qspi";
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- reg = <0x18029200 0x184>,
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- <0x18029000 0x124>,
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- <0x1811b408 0x004>,
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- <0x180293a0 0x01c>;
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- reg-names = "mspi", "bspi", "intr_regs", "intr_status_reg";
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- interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>,
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- <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>,
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- <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>,
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- <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>,
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- <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
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- <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>,
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- <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
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- interrupt-names = "spi_lr_fullness_reached",
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- "spi_lr_session_aborted",
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- "spi_lr_impatient",
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- "spi_lr_session_done",
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- "spi_lr_overhead",
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- "mspi_done",
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- "mspi_halted";
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- clocks = <&iprocmed>;
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- clock-names = "iprocmed";
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- num-cs = <2>;
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- #address-cells = <1>;
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- #size-cells = <0>;
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-
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- spi_nor: spi-nor@0 {
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- compatible = "jedec,spi-nor";
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- reg = <0>;
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- spi-max-frequency = <20000000>;
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- linux,part-probe = "ofpart", "bcm47xxpart";
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- status = "disabled";
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- };
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- };
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-
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thermal-zones {
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cpu_thermal: cpu-thermal {
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polling-delay-passive = <0>;
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--- a/arch/arm/boot/dts/bcm953012k.dts
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+++ b/arch/arm/boot/dts/bcm953012k.dts
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@@ -80,32 +80,6 @@
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};
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};
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-&spi_nor {
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- status = "okay";
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- spi-max-frequency = <62500000>;
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- m25p,default-addr-width = <3>;
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-
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- #address-cells = <1>;
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- #size-cells = <1>;
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-
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- partition@0 {
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- label = "boot";
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- reg = <0x00000000 0x000d0000>;
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- };
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- partition@d000 {
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- label = "env";
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- reg = <0x000d0000 0x00030000>;
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- };
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- partition@100000 {
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- label = "system";
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- reg = <0x00100000 0x00600000>;
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- };
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- partition@700000 {
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- label = "rootfs";
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- reg = <0x00700000 0x00900000>;
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- };
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-};
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-
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&uart0 {
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status = "okay";
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};
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@ -19,18 +19,18 @@ Subject: [PATCH] Use "brcm,bcm947xx-cfe-partitions" binding for Broadcom
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};
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--- a/arch/arm/boot/dts/bcm5301x.dtsi
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+++ b/arch/arm/boot/dts/bcm5301x.dtsi
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@@ -346,8 +346,11 @@
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <20000000>;
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- linux,part-probe = "ofpart", "bcm47xxpart";
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status = "disabled";
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@@ -456,8 +456,11 @@
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <20000000>;
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- linux,part-probe = "ofpart", "bcm47xxpart";
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status = "disabled";
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+
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+ partitions {
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+ compatible = "brcm,bcm947xx-cfe-partitions";
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+ };
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};
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+ partitions {
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+ compatible = "brcm,bcm947xx-cfe-partitions";
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+ };
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};
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};
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--- a/drivers/mtd/bcm47xxpart.c
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+++ b/drivers/mtd/bcm47xxpart.c
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