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x-load: add patch to fix EHCI in panda u-boot

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Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
This commit is contained in:
Koen Kooi
2011-07-11 10:00:43 +02:00
parent dd427bc17f
commit 9e986556e4
2 changed files with 196 additions and 2 deletions
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recipes-bsp/x-load/x-load/panda-frefclk.patch
+193
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@@ -0,0 +1,193 @@
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From: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>
To: x-loader@googlegroups.com
Cc: patches@linaro.org,
Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>
Subject: [x-loader] [PATCH v2] omap4: pandaboard: ehci fref_clkout per board revision
Date: Mon, 11 Jul 2011 04:39:17 -0300
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Add support for correctly configuring the fref_clkout depending on the
board revision of the pandaboard. This patch is necessary to make u-boot
work with the smsc usb+ethernet driver.
Tested USB+Eth with TFTP and PXE using linaro u-boot:
http://git.linaro.org/gitweb?p=boot/u-boot-linaro-stable.git;a=summary
Based on patch from David Anders <x0132446@ti.com> from
omap4_panda_L24.9 branch at gitorious.org/pandaboard x-loader tree.
Changes since v1:
* Moving the code from s_init instead of adding a new block
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org>
---
board/omap4430panda/omap4430panda.c | 58 +++++++++++++++-------------------
1 files changed, 26 insertions(+), 32 deletions(-)
diff --git a/board/omap4430panda/omap4430panda.c b/board/omap4430panda/omap4430panda.c
index 9b4e457..bcee6fe 100644
--- a/board/omap4430panda/omap4430panda.c
+++ b/board/omap4430panda/omap4430panda.c
@@ -531,6 +531,7 @@ static void ddr_init(void)
*****************************************/
int board_init(void)
{
+ unsigned int rev = omap_revision();
unsigned int v;
/*
@@ -546,10 +547,32 @@ int board_init(void)
v = __raw_readl(OMAP44XX_GPIO_BASE2 + __GPIO_DATAOUT);
__raw_writel((v & ~(1 << 30)), OMAP44XX_GPIO_BASE2 + __GPIO_DATAOUT);
- /* kill USB PLL */
+ if (rev == OMAP4430_ES1_0)
+ return 0;
- v = __raw_readl(CM_CLKMODE_DPLL_USB);
- __raw_writel((v & ~7) | 1, CM_CLKMODE_DPLL_USB);
+ if (__raw_readl(OMAP44XX_GPIO_BASE6 + __GPIO_DATAIN) & (1 << 22)) {
+ /* enable software ioreq */
+ sr32(OMAP44XX_SCRM_AUXCLK3, 8, 1, 0x1);
+ /* set for sys_clk (38.4MHz) */
+ sr32(OMAP44XX_SCRM_AUXCLK3, 1, 2, 0x0);
+ /* set divisor to 2 */
+ sr32(OMAP44XX_SCRM_AUXCLK3, 16, 4, 0x1);
+ /* set the clock source to active */
+ sr32(OMAP44XX_SCRM_ALTCLKSRC, 0, 1, 0x1);
+ /* enable clocks */
+ sr32(OMAP44XX_SCRM_ALTCLKSRC, 2, 2, 0x3);
+ } else {
+ /* enable software ioreq */
+ sr32(OMAP44XX_SCRM_AUXCLK1, 8, 1, 0x1);
+ /* set for PER_DPLL */
+ sr32(OMAP44XX_SCRM_AUXCLK1, 1, 2, 0x2);
+ /* set divisor to 16 */
+ sr32(OMAP44XX_SCRM_AUXCLK1, 16, 4, 0xf);
+ /* set the clock source to active */
+ sr32(OMAP44XX_SCRM_ALTCLKSRC, 0, 1, 0x1);
+ /* enable clocks */
+ sr32(OMAP44XX_SCRM_ALTCLKSRC, 2, 2, 0x3);
+ }
return 0;
}
@@ -683,8 +706,6 @@ static int scale_vcores(void)
void s_init(void)
{
- unsigned int rev = omap_revision();
-
/*
* this is required to survive the muxconf in the case the ROM
* started up USB OTG
@@ -707,33 +728,6 @@ void s_init(void)
/* setup_auxcr(get_device_type(), external_boot); */
ddr_init();
-
- if (rev == OMAP4430_ES1_0)
- return;
-
- if (__raw_readl(OMAP44XX_GPIO_BASE6 + __GPIO_DATAIN) & (1 << 22)) {
- /* enable software ioreq */
- sr32(OMAP44XX_SCRM_AUXCLK3, 8, 1, 0x1);
- /* set for sys_clk (38.4MHz) */
- sr32(OMAP44XX_SCRM_AUXCLK3, 1, 2, 0x0);
- /* set divisor to 2 */
- sr32(OMAP44XX_SCRM_AUXCLK3, 16, 4, 0x1);
- /* set the clock source to active */
- sr32(OMAP44XX_SCRM_ALTCLKSRC, 0, 1, 0x1);
- /* enable clocks */
- sr32(OMAP44XX_SCRM_ALTCLKSRC, 2, 2, 0x3);
- } else {
- /* enable software ioreq */
- sr32(OMAP44XX_SCRM_AUXCLK1, 8, 1, 0x1);
- /* set for PER_DPLL */
- sr32(OMAP44XX_SCRM_AUXCLK1, 1, 2, 0x2);
- /* set divisor to 16 */
- sr32(OMAP44XX_SCRM_AUXCLK1, 16, 4, 0xf);
- /* set the clock source to active */
- sr32(OMAP44XX_SCRM_ALTCLKSRC, 0, 1, 0x1);
- /* enable clocks */
- sr32(OMAP44XX_SCRM_ALTCLKSRC, 2, 2, 0x3);
- }
}
/*******************************************************
--
1.7.4.1
--
--
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recipes-bsp/x-load/x-load_git.bb
+3 -2
View File
@@ -3,13 +3,14 @@ require x-load.inc
#FILESPATHPKG_prepend = "x-load-git:x-load-git/${MACHINE}"
PV = "1.5.0+${PR}+gitr${SRCREV}"
PR ="r24"
PR ="r25"
PE = "1"
SRCREV_pn-${PN} = "04b1732220078d47c18a84cbafc52e45db71f13d"
SRC_URI = "git://gitorious.org/x-loader/x-loader.git;branch=master;protocol=git \
file://0001-Beagle-Rev-C5-support.patch \
"
file://panda-frefclk.patch;patch=1 \
"
S = "${WORKDIR}/git"